CN215488443U

CN215488443U - LED display screen back frame

Info

Publication number: CN215488443U
Application number: CN202120095758.3U
Authority: CN
Inventors: 薛宾; 黄河
Original assignee: Shenyang Aokaifuhui Technology Co ltd
Current assignee: Shenyang Aokaifuhui Technology Co ltd
Priority date: 2021-01-14
Filing date: 2021-01-14
Publication date: 2022-01-11
Anticipated expiration: 2031-01-14

Abstract

The utility model discloses an LED display screen back frame which comprises a base, wherein the top of the base is provided with a mounting groove, two sides of the inner wall of the mounting groove are rotatably connected with connecting shafts, a cylinder seat is rotatably connected between the opposite ends of the two connecting shafts, the cylinder surface of the cylinder seat is vertically and fixedly connected with the back frame, the front side of the bottom of the inner wall of the mounting groove is fixedly connected with a fixing plate through a first screw, two sides of the top of the fixing plate are fixedly connected with two first fixing blocks, and a first rotating shaft is fixedly connected between the opposite sides of the two first fixing blocks. According to the utility model, the distance between the back frame and the base is reduced through the connecting structure of the first rotating shaft, the second rotating shaft, the first fixing block and the second fixing block, the back frame rotates in the mounting groove through the cylindrical seat by utilizing the two connecting shafts, the structure is simple, the operation is convenient, the display angle of the display screen can be conveniently adjusted according to the use requirement, and the video content display effect is improved.

Description

LED display screen back frame

Technical Field

The utility model relates to the technical field of LED display screens, in particular to an LED display screen back frame.

Background

The LED electronic display screen integrates the microelectronic technology, the computer technology and the information processing, and has the advantages of bright color, wide dynamic range, high brightness, long service life, stable and reliable work and the like. The LED display screen is widely applied to commercial media, cultural performance markets, stadiums, information dissemination, news distribution, stock exchange and the like, can meet the requirements of different environments, is generally combined in a mode of a back frame and an LED box body, and supports the LED box body through a back frame structure

At present, the traditional back frame does not have an angle adjusting device like a Chinese character ri frame, and the angle adjusting device is mostly installed on the box body, so that the adjusting angle is limited, the structure is complex, the operation is difficult during the angle adjusting, the adjusting time is long, the efficiency of manually splicing the display screen is reduced, the folding is difficult, the carrying difficulty is large, the storage space is large, and the carrying cost is increased.

Therefore, it is necessary to provide a back frame of an LED display screen to solve the above technical problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide an LED display screen back frame, which aims to solve the problems that the structure is complex and the angle of a display screen is not easy to adjust in the prior art.

In order to achieve the purpose, the utility model provides the following technical scheme: a back frame of an LED display screen comprises a base, wherein the top of the base is provided with a mounting groove, two sides of the inner wall of the mounting groove are rotatably connected with connecting shafts, a cylinder seat is rotatably connected between the opposite ends of the two connecting shafts, the cylinder surface of the cylinder seat is vertically and fixedly connected with the back frame, the front side of the bottom of the inner wall of the mounting groove is fixedly connected with a fixing plate through a first screw, two sides of the top of the fixing plate are fixedly connected with two first fixing blocks, a first rotating shaft is fixedly connected between the opposite sides of the two first fixing blocks, the surface of the first rotating shaft is sleeved with a first mounting seat, the top of the first mounting seat is fixedly connected with a first threaded sleeve, the front of the back frame is provided with a clamping groove, a clamping plate is embedded in the clamping groove, two sides of the front of the clamping plate are fixedly connected with two second fixing blocks, and a second rotating shaft is fixedly connected between the opposite sides of the two second fixing blocks, the surface cover of second pivot is equipped with the second mount pad, the bottom fixedly connected with second thread bush of second mount pad, the inside threaded connection of first thread bush has the lead screw, the one end of lead screw runs through first thread bush and second thread bush in proper order and extends to the inside of second thread bush, lead screw and second thread bush threaded connection, the surface of lead screw just is located and is equipped with the carousel between the relative one side of first thread bush and second thread bush.

Preferably, one side fixed mounting of back of the body frame has the display screen, the right side fixedly connected with tripod of base.

Preferably, the clamping plate is fixedly connected with the clamping groove through a second screw, a first groove embedded with the first screw is formed in the top of the fixing plate, and a second groove embedded with the second screw is formed in the clamping plate.

Preferably, the turntable is fixedly connected with the screw rod.

Preferably, the second mounting seat is rotatably connected with the second rotating shaft through a bearing, and the first mounting seat is rotatably connected with the first rotating shaft through a bearing.

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

(1) this LED display screen back of body frame, through two carousels of syntropy rotation, drive two lead screws syntropy rotations, lead screw and first thread bush, second thread bush threaded connection's screw thread section opposite direction, and the one end that first thread bush and second thread bush leave is fixed, when the lead screw rotates, can drive first thread bush and the relative direction movement of second thread bush, then reduce the distance between first mount pad and the second mount pad, thereby through first pivot, the second pivot, the connection structure of first fixed block and second fixed block, reduce the distance between back of the body frame and the base, back of the body frame utilizes the inside rotation of two connecting axles at the mounting groove through the drum seat, moreover, the steam generator is simple in structure, the operation is convenient, conveniently adjust the display angle of display screen according to the user demand, improve video content display effect.

(2) This LED display screen back of body frame, through unscrewing the three second screw on the cardboard earlier, upwards slide the cardboard from the inside of draw-in groove again, make the cardboard no longer block locate the inside of draw-in groove, take out the cardboard, rotate first screw again, tear out the inside of fixed plate mounting groove, demolish the back with connection structure between fixed plate and the cardboard from between base and the back of the body frame, again with the back of the body frame moving off with the fingers and thumb towards the mounting groove direction, the back of the body frame passes through the cylinder seat and rotates at the inside of mounting groove with two connecting axles, the back of the body frame can break off the inside to the mounting groove with the fingers and thumb, the back of the body frame is identical with the shape of mounting groove, accomplish foldingly, the display screen is together folded with the back of the body frame, classify more easily and put the storage, and can save the storage space, convenient transport.

Drawings

FIG. 1 is a schematic structural diagram of a preferred embodiment of a back frame of an LED display screen according to the present invention;

fig. 2 is a schematic side sectional view of the base shown in fig. 1.

In the figure: 1. a base; 2. mounting grooves; 3. a connecting shaft; 4. a cylindrical seat; 5. a back frame; 6. a first screw; 7. a fixing plate; 8. a first fixed block; 9. a first rotating shaft; 10. a first mounting seat; 11. a first threaded sleeve; 12. a card slot; 13. a second screw; 14. a second fixed block; 15. a second rotating shaft; 16. a second mounting seat; 17. a second threaded sleeve; 18. a screw rod; 19. a turntable; 20. a first groove; 21. clamping a plate; 22. a display screen; 23. a second groove; 24. a tripod.

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.

Referring to fig. 1-2, an embodiment of the present invention is shown: a back frame of an LED display screen comprises a base 1, wherein a mounting groove 2 is formed in the top of the base 1, connecting shafts 3 are rotatably connected to two sides of the inner wall of the mounting groove 2, a cylinder seat 4 is rotatably connected between two opposite ends of the connecting shafts 3, a back frame 5 is vertically and fixedly connected to the cylinder surface of the cylinder seat 4, a fixing plate 7 is fixedly connected to the front side of the bottom of the inner wall of the mounting groove 2 through a first screw 6, the fixing plate 7 is fixedly connected to the inside of the mounting groove 2 through a double-row first screw 6, two first fixing blocks 8 are fixedly connected to two sides of the top of the fixing plate 7, a first rotating shaft 9 is fixedly connected between two opposite sides of the first fixing blocks 8, a first mounting seat 10 is sleeved on the surface of the first rotating shaft 9, a first thread sleeve 11 is fixedly connected to the top of the first mounting seat 10, a clamping groove 12 is formed in the front face of the back frame 5, the clamping plate 21 is embedded in the clamping groove 12, two second fixing blocks 14 and two second rotating shafts 15 are fixedly connected to two sides of the front face of the clamping plate 21, the two second fixing blocks 14 and the two second rotating shafts 15 are fixedly connected between the two opposite sides of the second fixing blocks 14, a second mounting seat 16 is sleeved on the surface of each second rotating shaft 15, a second threaded sleeve 17 is fixedly connected to the bottom of each second mounting seat 16, a lead screw 18 is connected to the inner threads of the first threaded sleeve 11, one end of the lead screw 18 sequentially penetrates through the first threaded sleeve 11 and the second threaded sleeve 17 and extends to the inner portion of the second threaded sleeve 17, the lead screw 18 is in threaded connection with the second threaded sleeve 17, a rotary table 19 is sleeved on the surface of the lead screw 18 and located between the first threaded sleeve 11 and the opposite side of the second threaded sleeve 17, the thread sections of the lead screw 18 in threaded connection with the first threaded sleeve 11 and the second threaded sleeve 17 are opposite in direction, and the ends of the first threaded sleeve 11 and the second threaded sleeve 17 are separated from each other through the first mounting seat 10 and the second mounting seat 17 respectively Connection structures such as seat 16 carry on spacingly, when lead screw 18 rotates, can drive first thread bush 11 and the opposite direction of second thread bush 17 and remove, and carousel 19's surface is provided with concave convex lines, and the frictional force when being convenient for increase rotation carousel 19 has the non-slip effect, and tripod 24 has improved the stability on base 1 right side, and the preventing device is emptyd towards the right side.

A display screen 22 is fixedly arranged on one side of the back frame 5, and a tripod 24 is fixedly connected to the right side of the base 1.

The clamping plate 21 is fixedly connected with the clamping groove 12 through a second screw 13, a first groove 20 embedded with the first screw 6 is formed in the top of the fixing plate 7, the number of the first threads 6 is three, and a second groove 23 embedded with the second screw 13 is formed in the clamping plate 21.

The rotary disc 19 is fixedly connected with the screw rod 18.

The second mounting seat 16 is rotatably connected with the second rotating shaft 15 through a bearing, and the first mounting seat 10 is rotatably connected with the first rotating shaft 9 through a bearing.

The working principle is as follows: when the device is used, the two turntables 19 are rotated in the same direction to drive the two screw rods 18 to rotate in the same direction, the screw thread sections in threaded connection with the first thread sleeve 11 and the second thread sleeve 17 of the screw rods 18 are opposite in direction, and the separated ends of the first thread sleeve 11 and the second thread sleeve 17 are fixed, when the screw rods 18 rotate, the first thread sleeve 11 and the second thread sleeve 17 are driven to move in the opposite direction, so that the distance between the first mounting seat 10 and the second mounting seat 16 is reduced, the distance between the back frame 5 and the base 1 is reduced through the connection structure of the first rotating shaft 9, the second rotating shaft 15, the first fixing block 8 and the second fixing block 14, the back frame 5 rotates in the mounting groove 2 through the two connecting shafts 3 through the back frame seat 4, so as to adjust the display angle of the display screen 22 on the back of the back frame 5, when the device needs to be disassembled, the three second screws 13 on the clamping plate 21 can be firstly screwed down, slide cardboard 21 upwards from the inside of draw-in groove 12 again, make cardboard 21 no longer block locate the inside of draw-in groove 12, take out cardboard 21, rotate first screw 6 again, tear out the inside of fixed plate 7 mounting groove 2, demolish the back between base 1 and back of the body frame 5 with the connection structure between fixed plate 7 and the cardboard 21, again with back of the body frame 5 towards mounting groove 2 direction break off with the fingers and thumb, back of the body frame 5 rotates in the inside of mounting groove 2 through cylinder base 4 and two connecting axles 3, back of the body frame 5 can break off with the fingers and thumb to the inside of mounting groove 2, back of the body frame 5 is identical with the shape of mounting groove 2, the completion is folding.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides a LED display screen back of body frame, includes base (1), its characterized in that: the top of the base (1) is provided with a mounting groove (2), the two sides of the inner wall of the mounting groove (2) are rotatably connected with connecting shafts (3), the opposite ends of the two connecting shafts (3) are rotatably connected with cylinder seats (4), the cylinder surface of each cylinder seat (4) is vertically and fixedly connected with a back frame (5), the front side of the bottom of the inner wall of the mounting groove (2) is fixedly connected with a fixed plate (7) through a first screw (6), the two sides of the top of the fixed plate (7) are fixedly connected with two first fixed blocks (8), a first rotating shaft (9) is fixedly connected between the opposite sides of the two first fixed blocks (8), the surface of the first rotating shaft (9) is sleeved with a first mounting seat (10), the top of the first mounting seat (10) is fixedly connected with a first thread sleeve (11), the front of the back frame (5) is provided with a clamping groove (12), a clamping plate (21) is embedded in the clamping groove (12), two second fixing blocks (14) are fixedly connected to two sides of the front surface of the clamping plate (21), a second rotating shaft (15) is fixedly connected between opposite sides of the two second fixing blocks (14), a second mounting seat (16) is sleeved on the surface of the second rotating shaft (15), a second thread sleeve (17) is fixedly connected to the bottom of the second mounting seat (16), the internal thread of the first thread bush (11) is connected with a screw rod (18), one end of the screw rod (18) sequentially penetrates through the first thread bush (11) and the second thread bush (17) and extends to the inside of the second thread bush (17), the screw rod (18) is in threaded connection with the second threaded sleeve (17), and a rotary table (19) is sleeved on the surface of the screw rod (18) and located between the opposite sides of the first threaded sleeve (11) and the second threaded sleeve (17).

2. The LED display screen back frame of claim 1, wherein: one side fixed mounting of back of the body frame (5) has display screen (22), the right side fixedly connected with tripod (24) of base (1).

3. The LED display screen back frame of claim 1, wherein: the clamping plate (21) is fixedly connected with the clamping groove (12) through a second screw (13), a first groove (20) embedded with the first screw (6) is formed in the top of the fixing plate (7), and a second groove (23) embedded with the second screw (13) is formed in the clamping plate (21).

4. The LED display screen back frame of claim 1, wherein: the rotary table (19) is fixedly connected with the screw rod (18).

5. The LED display screen back frame of claim 1, wherein: the second mounting seat (16) is rotatably connected with the second rotating shaft (15) through a bearing, and the first mounting seat (10) is rotatably connected with the first rotating shaft (9) through a bearing.