CN213954903U - LED screen lifting equipment - Google Patents

Abstract

The utility model relates to a LED screen plays to rise equipment, including brace table, protection casing, elevating system installs on the brace table, elevating system includes support, chain, two fixed parallels in brace table's top the support rotates between two supports and connects two pivots of arranging about being, fixed sprocket in the pivot. The utility model discloses a rotatory drive chain of pivot removes to make the screen main part shift up or move down, realized the function of screen main part height-adjusting as required, through the setting of protection casing, cover it when the screen main part removes, avoid removing the angle end and the screen panel of in-process collision screen main part, prevent to damage, play the guard action.

Description

LED screen lifting equipment

Technical Field

The utility model relates to a LED screen technical field, concretely relates to LED screen plays to rise equipment.

Background

The LED display screen is a flat panel display, it is made up of LED module panel of one piece, the apparatus used for displaying various information such as the characters, picture, video signal, etc., in the prior art, the information of society, has promoted the development of the display technology, the LED display screen is a high-tech product, has already gradually merged into people's life, compared with traditional display media, because its luminance is high, the display effect of the dynamic image is good, consume energy little, have long performance life, display content various, display mode is flexible, high performance price ratio, etc. advantage, have begun to apply to various industries extensively.

However, the existing LED screen is inconvenient to adjust in a lifting mode, and when the position of the LED screen is transferred, the corner end of the LED screen is easy to collide, so that the LED screen is damaged and normal use is affected.

SUMMERY OF THE UTILITY MODEL

For solving the problem that prior art exists, the utility model provides a LED screen plays to rise equipment.

In order to achieve the above object, the utility model adopts the following technical scheme:

a kind of LED screen lifting equipment, including the screen body, lifting gearing, the said lifting gearing is connected with screen body in order to make it reciprocate, also include supporting bench, protective cover, the said lifting gearing is installed on supporting bench, the said lifting gearing includes the support, link chain, the said support of the top fixing two parallels of the said supporting bench, rotate and connect two pivot that are arranged from top to bottom between two supports, the said pivot is fixed with the sprocket, the sprocket on two pivots is connected through the link chain, the said screen body is fixed with link chain, the both ends of the back wall of the said screen body fix the slide block respectively, the said slide block is connected with adjacent support slidably, fix the first support column on a sidewall of the said slide block, there are card holes cooperating with first support column on the both sides wall of the said protective cover respectively, the said card hole is blocked on the first support column in order to make the protective cover connect with screen body and cover the screen panel on the screen body, one of the rotating shafts is connected with a rotary driving component.

Preferably, the card hole includes horizontal hole and vertical hole, the one end in horizontal hole is open structure, vertical hole is located the top in horizontal hole and communicates with horizontal hole, when the screen main part was covered to the protection casing, vertical hole card was on first support column.

In any of the above schemes, preferably, a slide rail is fixed on the front wall of the bracket, a slide block on the rear wall of the screen main body is slidably connected with the corresponding slide rail, and a slide hole penetrating through the bracket is arranged at the center of the slide rail.

In any of the above schemes, preferably, two ends of the rear wall of the screen main body are respectively fixed with a stud, one end of the stud passes through a sliding hole on the corresponding support and extends to the rear side of the support, and a nut is screwed on the stud at the rear side of the support.

In any of the above schemes, preferably, the number of the sliders at both ends of the rear wall of the screen main body is two, and the sliders are located at the corner ends of the rear wall of the screen main body.

The preferred is in any above-mentioned scheme, the rotation driving subassembly includes the crank handle, prevents changeing the subassembly, one of them one end of pivot is run through adjacent support and is fixed with the crank handle, prevent changeing the subassembly and be close to the rotation of crank handle setting in order to restrict the pivot.

It is preferred in any of the above-mentioned schemes, prevent changeing the subassembly including preventing changeing gear, spacing tooth, prevent changeing the gear and fix in the pivot of installation crank, it has the guide bar to run through on the support of pivot top, spacing tooth is fixed to the one end of guide bar, the fixed chuck of the other end of guide bar, be equipped with the spring on the guide bar between spacing tooth and the support, spacing tooth injects under the spring elastic action and prevents changeing in the tooth's socket on the gear.

In any of the above schemes, preferably, the spring is always in a compressed state, one end of the spring is fixed with the guide rod, and the other end of the spring is fixed with the bracket.

In any of the above schemes, preferably, two second support columns which are arranged up and down and correspond to the clamping holes in the side wall of the protective cover are fixed at the bottom of the rear wall of the support, one end of each second support column extends to the outer side of the support, and the clamping holes are clamped on the second support columns so that the protective cover is placed on the support.

Compared with the prior art, the utility model provides a LED screen plays to rise equipment has following beneficial effect:

1. the chain is driven to move by the rotation of the rotating shaft, so that the screen main body moves upwards or downwards, the function of adjusting the height of the screen main body according to the requirement is realized, the screen main body is covered when moving by arranging the protective cover, the collision between the corner end of the screen main body and the screen panel in the moving process is avoided, the damage is prevented, the protection effect is realized, and the screen main body can be covered by the screen panel on the screen main body when not in use, so that the dustproof effect is realized;

2. set up on the back wall of support with card hole complex second support column, when using the screen main part, can be with the protection casing card in order to place the rear side at the support on the second support column, avoid the protection casing to put other positions and occupation space, also avoid putting in disorder.

Drawings

Fig. 1 is a schematic overall structure diagram of a preferred embodiment of an LED screen lifting device provided by the present invention;

FIG. 2 is an enlarged view of a portion of A-A of FIG. 1;

FIG. 3 is a schematic view of the entire structure of FIG. 1 covering the shield cover on the screen body;

fig. 4 is a left side view of the shield of fig. 3.

The figures are labeled as follows: 1. a support table; 2. a screen main body; 3. a support; 4. a slide hole; 5. a slide rail; 6. a first support column; 7. a slider; 8. a chain; 9. a rotating shaft; 10. a second support column; 11. a tool box; 12. an anti-rotation gear; 13. a protective cover; 14. a transverse bore; 15. a vertical hole; 16. limiting teeth; 17. a spring; 18. a guide bar; 19. a chuck; 20. and (4) a pull ring.

Detailed Description

In order to further understand the inventive content of the present invention, the present invention will be explained in detail with reference to the specific embodiments.

As shown in fig. 1-4, according to an embodiment of the LED screen lifting apparatus provided by the present invention, the LED screen lifting apparatus includes a screen main body 2, a lifting mechanism, the lifting mechanism is connected to the screen main body 2 to move up and down, a supporting table 1, a protecting cover 13, the lifting mechanism is installed on the supporting table 1, the lifting mechanism includes a support 3 and a chain 8, two parallel supports 3 are fixed on the top of the supporting table 1, two rotating shafts 9 arranged up and down are rotatably connected between the two supports 3, a chain wheel is fixed on the rotating shaft 9, the chain wheels on the two rotating shafts 9 are connected by the chain 8, the rear wall of the screen main body 2 is fixed to the chain 8, a slider 7 is fixed to each of two ends of the rear wall of the screen main body 2, the slider 7 is slidably connected to the adjacent support 3, a first supporting column 6 is fixed to one side wall of the slider 7, be equipped with respectively on the both sides wall of protection casing 13 with first support column 6 complex card hole, card hole card is on first support column 6 so that protection casing 13 is connected with screen main part 2 and covers the screen panel on the screen main part 2, and rotation driving subassembly is connected to one of them pivot 9.

Specifically, the shield 13 has a hollow box structure, and the rear wall has an open form, so that the screen body 2 is located in the shield 13 through the opening.

Through the rotatory chain 8 removal that drives of pivot 9 to make screen main part 2 shift up or move down, realized screen main part 2 height-adjusting's as required function, through the setting of protection casing 13, cover it when screen main part 2 removes, avoid moving the angle end of in-process collision screen main part 2, prevent damage, play the guard action, screen main part 2 can cover through the screen panel on the screen main part 2 when not using in addition, play dustproof effect.

The card hole includes horizontal hole 14 and vertical hole 15, the one end of horizontal hole 14 is open structure, vertical hole 15 is located the top of horizontal hole 14 and communicates with horizontal hole 14, when protection casing 13 covers screen main part 2, vertical hole 15 card is on first support column 6.

Specifically, when the protection casing 13 covers the screen main part 2, the protection casing 13 is close to the screen main part 2, make first support column 6 stretch into horizontal hole 14 through the opening, and make protection casing 13 move down so that second support column 10 card is in vertical hole 15, thereby play the effect of supporting protection casing 13, and vertical hole 15 is located horizontal hole 14's top, make protection casing 13 can't break away from with first support column 6, thereby when removing LED screen lifting device, avoid colliding the angle end of screen main part 2, play the guard action to screen main part 2.

The utility model discloses a screen, including support 3, fixed slide rail 5 on the antetheca of support 3, slider 7 on the wall behind screen main part 2 and the slide rail 5 sliding connection that corresponds, the center of slide rail 5 is equipped with the slide opening 4 that runs through support 3.

The screen comprises a screen body 2 and is characterized in that studs are respectively fixed at two ends of the rear wall of the screen body 2, one ends of the studs penetrate through sliding holes 4 in corresponding supports 3 and extend to the rear sides of the supports 3, and nuts are connected to the studs on the rear sides of the supports 3 in a threaded mode. The outer diameter of the nut is larger than the width of the slide hole 4.

The number of the studs is the same as that of the sliding holes 4, the studs correspond to the sliding holes 4 one by one, the studs penetrate through the corresponding sliding holes 4, and after the position of the screen main body 2 is adjusted, the nuts are screwed on the studs and screwed down, so that the screen main body 2 is fixed in an auxiliary manner, and the fixing is more firm.

The number of the sliding blocks 7 at the two ends of the rear wall of the screen main body 2 is two, and the sliding blocks 7 are located at the corner ends of the rear wall of the screen main body 2.

The rotation driving assembly comprises a crank handle and an anti-rotation assembly, wherein one end of the rotating shaft 9 penetrates through the adjacent support 3 and is fixed with the crank handle, and the anti-rotation assembly is close to the crank handle and is arranged to limit the rotation of the rotating shaft 9.

Prevent changeing the subassembly including preventing changeing gear 12, spacing tooth 16, prevent changeing gear 12 and fix on the pivot 9 of installation crank, it has guide bar 18 to run through on the support 3 of pivot 9 top, and guide bar 18 can slide on support 3, spacing tooth 16 is fixed to the one end of guide bar 18, the fixed chuck 19 of the other end of guide bar 18, fixed pull ring 20 on the chuck 19, be equipped with spring 17 on the guide bar 18 between spacing tooth 16 and the support 3, spacing tooth 16 injects under spring 17 spring action and prevents changeing in the tooth's socket on the gear 12.

The spring 17 is always in a compressed state, one end of the spring 17 is fixed with the guide rod 18, the other end of the spring 17 is fixed with the support 3, and the chuck 19 is attached to the side wall of the support 3 under the elastic force action of the spring 17. The limiting teeth 16 are always inserted into one tooth groove on the anti-rotation gear 12 under the action of the elastic force of the spring 17, so that the separation of the limiting teeth 16 and the anti-rotation gear 12 is avoided.

Two fixed second support columns 10 that are the range from top to bottom and correspond with the card hole on the protection casing 13 lateral wall of back wall bottom of support 3, the one end of second support column 10 extends to the outside of support 3, card hole card is on second support column 10 so that protection casing 13 places on support 3, and second support column 10 passes horizontal hole 14 promptly and stretches into in vertical hole 15 to make protection casing 13 card on second support column 10. Set up on the back wall of support 3 with card hole complex second support column 10, when using screen main part 2, can be with protection casing 13 card in order to place the rear side at support 3 on second support column 10, avoid protection casing 13 to put other positions and occupation space.

The axes of the first support column 6 and the second support column 10 are both perpendicular to the vertical central line of the bracket 3.

In this embodiment, the four bottom corner ends of the supporting table 1 are respectively provided with a universal wheel, the rotating shaft 9 is located above the supporting table 1, and the top of the supporting table 1 fixes a tool box 11 to facilitate the storage of tools.

The working principle of the embodiment is as follows: when the screen body 2 is adjusted, the nut is unscrewed from the stud, the pull ring 20 is manually pulled, the guide rod 18 drives the limit tooth 16 to move towards the direction far away from the anti-rotation gear 12, the limit tooth 16 is separated from the tooth grooves on the anti-rotation gear 12, meanwhile, the spring 17 is compressed, then the rotating shaft 9 is rotated through the hand crank, the chain wheel is rotated, so that the chain 8 drives the screen body 2 to move upwards or downwards, after the position is adjusted, the pull ring 20 is loosened, the limit tooth 16 is reinserted into the corresponding tooth grooves on the anti-rotation gear 12 under the elastic action of the spring 17, then the nut is screwed on the stud and screwed, when the screen body 2 is moved in a large range, in order to prevent the corner end of the screen body 2 from colliding, the protective cover 13 covers the screen body 2, the clamping hole on the protective cover 13 is clamped on the corresponding first support column 6, and the screen panel and the four corner ends on the screen body 2 cover, because first support column 6 card is in vertical hole 15, protection casing 13 does not break away from with first support column 6 under no exogenic action, avoids colliding, plays the guard action, when protection casing 13 does not use, places protection casing 13 in the rear side of support 3 to card hole card on making protection casing 13 is on second support column 10, makes protection casing 13 place on support 3, avoids protection casing 13 to put or occupation space indiscriminately.

It will be understood by those skilled in the art that any combination of the elements of the present invention, including the summary and detailed description of the invention provided in the foregoing description and illustrated in the accompanying drawings, is not to be considered limiting in scope and in order to make the description more concise, and not to describe every element of the combination. 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 (9)

1. The utility model provides a LED screen lifting equipment, includes screen main part, elevating system is connected so that it reciprocates with the screen main part, its characterized in that: still include brace table, protection casing, elevating system installs on the brace table, elevating system includes support, chain, two parallels are fixed at the top of brace table the support rotates between two supports and connects two pivots that are range from top to bottom, fixed sprocket in the pivot, two epaxial sprockets of commentaries on classics pass through the chain and connect, the screen main part is fixed with the chain, the slider is fixed respectively at the both ends of wall behind the screen main part, slider and adjacent support sliding connection, fixed first support column on the lateral wall of slider, be equipped with respectively on the both sides wall of protection casing with first support column complex card hole, card hole card is in order to make the protection casing be connected with the screen main part and cover the screen panel in the screen main part on first support column, and the rotation driving subassembly is connected in one of them pivot.

2. The LED screen lifting device according to claim 1, wherein: the card hole includes horizontal hole and vertical hole, the one end in horizontal hole is open structure, vertical hole position in the top in horizontal hole and with horizontal hole intercommunication, when the screen main part was covered to the protection casing, vertical hole card was on first support column.

3. The LED screen lifting device according to claim 1, wherein: the screen comprises a support and is characterized in that a sliding rail is fixed on the front wall of the support, a sliding block on the rear wall of the screen main body is connected with the corresponding sliding rail in a sliding mode, and a sliding hole penetrating through the support is formed in the center of the sliding rail.

4. The LED screen lifting device of claim 3, wherein: the screen comprises a screen body and is characterized in that studs are respectively fixed at two ends of the rear wall of the screen body, one ends of the studs penetrate through sliding holes in corresponding supports and extend to the rear sides of the supports, and nuts are connected to the studs on the rear sides of the supports in a threaded mode.

5. The LED screen lifting device according to claim 1, wherein: the screen body rear wall is characterized in that the number of the sliding blocks at two ends of the screen body rear wall is two, and the sliding blocks are located at the corner ends of the screen body rear wall.

6. The LED screen lifting device according to claim 1, wherein: the rotation driving assembly comprises a crank handle and an anti-rotation assembly, wherein one end of the rotating shaft penetrates through the adjacent support and is fixed with the crank handle, and the anti-rotation assembly is close to the crank handle and is arranged to limit rotation of the rotating shaft.

7. The LED screen lifting device of claim 6, wherein: prevent changeing the subassembly including preventing changeing gear, spacing tooth, prevent changeing the gear and fix in the pivot of installation crank, it has the guide bar to run through on the support of pivot top, spacing tooth is fixed to the one end of guide bar, the fixed chuck of the other end of guide bar, be equipped with the spring on the guide bar between spacing tooth and the support, spacing tooth injects under spring elastic action and prevents changeing in the tooth's socket on the gear.

8. The LED screen lifting device of claim 7, wherein: the spring is in a compression state all the time, one end of the spring is fixed with the guide rod, and the other end of the spring is fixed with the support.

9. The LED screen lifting device according to claim 1, wherein: two fixed second support columns that are arranged from top to bottom and correspond to the card hole on the protection casing lateral wall are fixed to the back wall bottom of support, the one end of second support column extends to the outside of support, the card hole card is so that the protection casing is placed on the support on the second support column.

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