CN206224920U - Maintenance mechanism before a kind of display screen - Google Patents

Abstract

The utility model discloses maintenance mechanism before a kind of display screen, including the movable frame being connected with display screen, the movable frame include one can elastic structure and two flexible vapour bars, an including dynamical system, the dynamical system includes at least one motor；Including a transmission system, the transmission system includes screw mandrel and synchronizing moving bar, the motor drives the screw mandrel to rotate, the middle part of the synchronizing moving bar passes through swivel nut in and coordinates with the wire rod thread, the two ends of the synchronizing moving bar are slidably connected with the fixed frame, and are connected with the 4th end rotation.Display screen is occupied little space by the preceding maintenance mechanism installation, and also can realize the steady splicing between screen, and time-consuming, high cost, display screen easily collide the problems such as falling rupture to solve artificial splicing.

Description

A display screen front maintenance mechanism

technical field

The utility model relates to the technical field of display screen assembly, in particular to a display screen front maintenance mechanism.

Background technique

LED display has been widely used in various fields due to its advantages of high brightness, low working voltage, low power consumption, long life, impact resistance and stable performance. Because the structure of the LED display is relatively precise and complex, it is difficult to take out the modules from the front of the display for maintenance. Therefore, when installing the LED display, it is generally necessary to maintain a maintenance channel of 500mm-1200mm with the installation wall, so that the display can be repaired when it fails. It belongs to the maintenance of the display screen. The LED display screen that can be maintained after installation occupies a large space, and its installation bracket structure is relatively complicated. It is easy to bruise and damage the display screen after disassembly and assembly. The splicing bracket also needs to adjust the horizontal height, which is difficult and time-consuming.

Utility model content

The technical problem to be solved by the utility model is to provide a front maintenance mechanism of the display screen.

In order to solve the above technical problems, the technical solution adopted by the utility model is: a display screen front maintenance mechanism, which includes a movable frame connected with the display screen, and the movable frame includes a front and back telescopic structure and two telescopic steam rods.

Further, the telescopic structure includes an outer frame structure and two hinged X-shaped brackets in the middle, the X-shaped brackets include a first end, a second end, a third end and a fourth end, the The first end is rotatably connected with the outer frame structure, and the second end is slidably connected with the outer frame structure.

Further, a fixed frame connected to the movable frame is included, and the third end is rotatably connected to the fixed frame.

Further, the movable frame further includes a cross bar, and the central hinges of the two X-shaped brackets are respectively connected to two ends of the cross bar.

Further, a power system is included, and the power system includes at least one motor.

Further, it includes a transmission system, the transmission system includes a screw rod and a synchronous moving rod, the motor drives the screw rod to rotate, and the middle part of the synchronous moving rod is threadedly matched with the screw rod through an inner threaded sleeve, Both ends of the synchronously moving rod are slidably connected to the fixed frame, and are rotatably connected to the fourth end.

Further, the fixed frame includes a cross beam, a first vertical beam and a second vertical beam, and the motor is fixed on a bracket formed by the cross beam, the first vertical beam and the second vertical beam.

Further, one end of the steam rod is rotatably connected to the first end, and the other end is rotatably connected to the fixed frame.

Further, a switch structure is included, and the switch structure can control the telescopic movement of the movable frame back and forth.

Further, a remote controller is included, and the remote controller can control the telescopic movement of the movable frame back and forth.

The beneficial effect of the utility model lies in: providing a front maintenance mechanism of the display screen, the installation area of the display screen is small, when the display screen is working normally, the telescopic structure is in a contracted state, and the display screen is close to the wall; when the display screen needs maintenance , the telescopic structure is in an extended state, providing maintenance access. And it can also achieve stable splicing between screens, which solves the problems of long time-consuming artificial splicing, high cost, and easy collision, drop and crack of the display screen.

Description of drawings

Figure 1 is a schematic diagram of the positional relationship between the display screen, the front maintenance mechanism and the wall;

Figure 2 is a schematic diagram of the overall structure of the front maintenance mechanism;

Fig. 3 is a schematic diagram 1 of the partial structure of the front maintenance mechanism;

Fig. 4 is a schematic diagram 2 of a partial structure of the front maintenance mechanism;

Label description:

1. X-shaped bracket; 2. Telescopic steam rod; 3. Outer frame structure; 4. First end; 5. Second end; 6. Third end; 7. Fourth end; 8. Fixed frame ; Vertical beam; 18, upper beam; 19, lower beam; 20, display screen; 30, wall.

detailed description

In order to describe the technical content, the achieved purpose and the effect of the present utility model in detail, the following will be described in conjunction with the embodiments and accompanying drawings.

The most critical idea of the utility model is that the maintenance mechanism of the display screen is designed as a telescopic structure, which can be stretched and contracted according to the needs, the space required for installation is small, and the stable splicing between the screens can also be realized, which solves the problem of artificial splicing. , high cost, and the display screen is easy to collide, fall and break.

Please refer to Figures 1 to 4, a display screen front maintenance mechanism, including a movable frame connected with the display screen, the movable frame includes a front and rear telescopic structure and two telescopic air rods.

It can be seen from the above description that the beneficial effect of the utility model is that the display screen is connected with a retractable movable frame. When the display screen works normally, the movable frame is in a contracted state, and the display screen is close to the wall; when the display screen needs maintenance , the active frame is in an extended state, providing maintenance access. There is also a telescopic air rod, and when the movable frame is in a stretched state, the air rod is elongated to support the display screen.

Further, the telescopic structure includes an outer frame structure and two hinged X-shaped brackets in the middle, the X-shaped brackets include a first end, a second end, a third end and a fourth end, the The first end is rotatably connected with the outer frame structure, and the second end is slidably connected with the outer frame structure.

It can be seen from the above description that the outer frame structure is used to fix the display screen, and the outer frame structure is connected to both ends of the X-shaped bracket, and the front and rear expansion and contraction are realized through the middle hinge structure of the X-shaped bracket.

Further, a fixed frame connected to the movable frame is included, and the third end is rotatably connected to the fixed frame.

It can be seen from the above description that one end of the X-shaped bracket is also connected to a fixed frame, and the fixed frame is fixedly connected to a wall or other connectable entities.

Further, the movable frame further includes a cross bar, and the central hinges of the two X-shaped brackets are respectively connected to two ends of the cross bar.

It can be seen from the above description that the cross bar can keep the distance between the two X-shaped brackets constant and prevent relative displacement.

Further, a power system is included, and the power system includes at least one motor.

It can be seen from the above description that the motor provides power for the telescopic movement of the movable frame, and has a fast response, and the number of motors used can be determined according to the size of the screen.

Further, it includes a transmission system, the transmission system includes a screw rod and a synchronous moving rod, the motor drives the screw rod to rotate, and the middle part of the synchronous moving rod is threadedly matched with the screw rod through an inner threaded sleeve, Both ends of the synchronously moving rod are slidably connected to the fixed frame, and are rotatably connected to the fourth end.

It can be seen from the above description that the transmission system is used to transmit the power of the motor to the X-shaped bracket. Its working principle is: the motor drives the screw of the transmission system to rotate forward or reverse, and the screw drives the synchronous moving rod up and down along the fixed frame through thread cooperation. Sliding, when the synchronous moving bar slides up and down, it drives the fourth end of the X-shaped bracket to slide up and down along the fixed frame. When the fourth end slides downward, the first end opposite to the fourth end approaches the fixed frame, and at the same time the second end slides down along the outer frame structure. At this time, the display screen follows the movable frame and approaches the fixed frame. Similarly, when the fourth end slides upwards, the display screen moves forward following the movable frame. The forward or backward movement of the movable frame is controlled by the forward or reverse rotation of the motor.

Further, the fixed frame includes a cross beam, a first vertical beam and a second vertical beam, and the motor is fixed on a bracket formed by the cross beam, the first vertical beam and the second vertical beam.

It can be seen from the above description that the motor is fixed on the bracket to prevent vibration displacement or falling off during operation.

Further, one end of the steam rod is rotatably connected to the first end, and the other end is rotatably connected to the fixed frame.

It can be seen from the above description that the gas pole can be freely expanded and contracted and provides support for the movable frame.

Further, a switch structure is included, and the switch structure can control the telescopic movement of the movable frame back and forth.

Further, a remote controller is included, and the remote controller can control the telescopic movement of the movable frame back and forth.

It can be seen from the above description that a switch can be installed on the maintenance mechanism or a remote control can be used to control the forward and backward movement of the movable frame, and the operation is simple.

Example

Please refer to Fig. 1 to Fig. 4, the embodiment of the present utility model is: as shown in Fig. The outer frame structure 3 is fixedly connected to the display screen 20 , and the fixed frame 8 is fixedly connected to the wall body 30 .

As shown in Figures 2 to 4, the fixed frame 8 includes a crossbeam 13, a first vertical beam 14, a second vertical beam 15, a third vertical beam 16, a fourth vertical beam 17, an upper beam 18 and a lower beam 19, Both ends of the crossbeam 13 are fixedly connected to the third vertical beam 16 and the fourth vertical beam 17 respectively, one end of the first vertical beam 14 and the second vertical beam 15 is fixedly connected to the crossbeam 13, and the other end is connected to the upper beam. 18 fixed connections.

The movable frame also includes two hinged X-shaped brackets 1 and two telescopic air rods 2. The X-shaped bracket 1 includes a first end 4, a second end 5, a third end 6 and a fourth end. 7, wherein the first end 4 is rotationally connected with the outer frame structure 3, the second end 5 is slidingly connected with the outer frame structure 3, and the third end 6 is rotated with the third vertical beam 16 or the fourth vertical beam 17 connect. The movable frame also includes a cross bar 9, the two X-shaped brackets 1 are hinged at the two ends of the cross bar 9, one end of the telescopic air rod 2 is connected to the first end 4 in rotation, and the other end is connected to the third end. The vertical beam 16 or the fourth vertical beam 17 is rotatably connected.

The front maintenance mechanism of the display screen also includes a power system and a transmission system. In the present embodiment, the power system is a motor 10, of course, the number of motors 10 can be adjusted according to the size of the screen, and the motor 10 is fixed on the beam 13, the first On the bracket formed by the vertical beam 14 and the second vertical beam 15. The transmission system includes a screw rod 11 and a synchronous moving rod 12. One end of the screw rod 11 is connected to the motor 10, and the other end is threaded with the middle part of the lower beam 19 through an inner threaded sleeve. The screw sleeve is threadedly matched with the screw mandrel 11, and the two ends of the synchronously moving rod 12 are respectively slidably connected with the third vertical beam 16 and the fourth vertical beam 17. In this embodiment, the third vertical beam 16 and the fourth vertical beam The vertical beam 17 is provided with a movement limit chute, and the two ends of the synchronous movement bar 12 are respectively rotatably connected with the fourth ends 7 of the two X-shaped brackets 1 .

In this embodiment, the front maintenance mechanism of the display screen is also provided with a switch for controlling the extension and retraction. Of course, a remote control can also be specially designed to control it. The working principle of the front maintenance structure of the display screen is: the motor 10 is Turn or reverse, and drive the screw rod 11 of the transmission system to rotate, the screw rod 11 drives the synchronous moving rod 12 to slide up and down along the fixed frame 8 through threaded cooperation, and the synchronous moving rod 12 slides up and down while driving the fourth end of the X-shaped bracket 7 slides up and down along the fixed frame 8. When the fourth end 7 slides downward, the first end 4 opposite to the fourth end 7 approaches the fixed frame 8, and at the same time the second end 5 slides along the outer frame structure 3, and the display screen 20 follows the movement The frame approaches the fixed frame 8 . Similarly, when the motor 10 drives the fourth end 7 to slide upward, the display screen 20 is pushed away from the fixed frame 8 by the movable frame. In this embodiment, the moving frame away from or close to the fixed frame 8 is controlled by the forward rotation or reverse rotation of the motor 10. When we need to maintain the display screen 20, the motor 10 can be reversed by a switch structure or a remote control to synchronize The moving rod 12 moves to the top of the moving limit chute, the display screen 20 is pushed out by the movable frame, and the maintenance personnel can enter the maintenance channel for maintenance. After the maintenance is completed, the motor 10 is rotated forward through the switch structure or the remote control, and the moving rod is moved synchronously. 12 moves to the bottom of the moving limit chute, and the display screen 20 can be close to the wall 30.

To sum up, the utility model provides a display screen front maintenance mechanism, which includes a movable frame connected with the display screen, and the movable frame includes a front and back telescopic structure and two telescopic steam rods. The installation of the display screen through the front maintenance mechanism occupies a small space, and can also realize the stable splicing between the screens, solving the problems of long time-consuming artificial splicing, high cost, easy collision, falling and cracking of the display screen; through the forward or reverse rotation of the motor To control the front and rear movement of the display screen, the response time is fast; the switch structure or the remote control can be set to control the rotation of the motor, and the operation is convenient.

The above is only an embodiment of the utility model, and does not limit the patent scope of the utility model. All equivalent transformations made by using the utility model specification and accompanying drawings, or directly or indirectly used in related technical fields, are all the same. The theory is included in the patent protection scope of the present utility model.

Claims (6)

1. maintenance mechanism before a kind of display screen, it is characterised in that including the movable frame being connected with display screen, the movable frame Can elastic structure and two flexible vapour bars including one；The stretching structure includes that a frame structure and two middle parts are hinged X-shaped support, the X-shaped support include first end, the second end, the 3rd end and the 4th end, the first end with The frame structure rotates connection, and the second end is slidably connected with the frame structure；Including one with the movable frame Connected fixed frame, the 3rd end rotates with the fixed frame and is connected；Including a dynamical system, the dynamical system Including at least one motor；Including a transmission system, the transmission system includes screw mandrel and synchronizing moving bar, and the motor drives The screw mandrel is rotated, and the middle part of the synchronizing moving bar passes through swivel nut in and coordinates with the wire rod thread, the synchronizing moving The two ends of bar are slidably connected with the fixed frame, and are connected with the 4th end rotation.

2. maintenance mechanism before display screen according to claim 1, it is characterised in that the movable frame also includes a cross bar, The central hinge section of described two X-shaped supports does not connect two ends of the cross bar.

3. maintenance mechanism before display screen according to claim 2, it is characterised in that the fixed frame includes crossbeam, the One vertical beam and the second vertical beam, the motor are fixed on the support that the crossbeam, the first vertical beam and the second vertical beam are formed.

4. maintenance mechanism before display screen according to claim 3, it is characterised in that described vapour bar one end and the first end Portion rotates connection, and the other end is rotated with the fixed frame and is connected.

5. maintenance mechanism before the display screen according to any one of Claims 1-4, it is characterised in that described including a control The construction of switch of the elastic motion of movable frame.

6. maintenance mechanism before the display screen according to any one of Claims 1-4, it is characterised in that described including a control The remote control of the elastic motion of movable frame.