CN216280357U

CN216280357U - Split type backplate of liquid crystal display

Info

Publication number: CN216280357U
Application number: CN202121512237.XU
Authority: CN
Inventors: 谢培钦
Original assignee: Sichuan Shunwei Zhilian Technology Co ltd
Current assignee: Sichuan Shunwei Zhilian Technology Co ltd
Priority date: 2021-07-05
Filing date: 2021-07-05
Publication date: 2022-04-12
Anticipated expiration: 2031-07-05

Abstract

The utility model discloses a split type back plate of a liquid crystal display screen, and relates to the technical field of display screens. The utility model provides a split type backplate of liquid crystal display, includes backplate, baffle and screw hole, and the screw hole has a plurality ofly, and at baffle surface evenly distributed, the notch has all been seted up to baffle top and bottom, and the fan mounting hole has been seted up at the baffle top, and the fan mounting hole is linked together with the notch at baffle top, and the fan mounting hole internal fixation has the fan, and backplate back top and bottom all are fixed with connecting device, are fixed with the pivot between the connecting device, a plurality of bearing frames of pivot axis body swing joint, and bearing frame one side is connected with the fixed block, is connected with rotary device between fixed block and the pivot, and rotary device can drive the pivot and rotate. The display screen is provided with the rotating shaft and the rotating device, and the first gear and the second gear which are arranged on the rotating device are matched with each other to drive the rotating shaft to rotate, so that the back plate and the display screen are driven to rotate, and the display screen can freely rotate.

Description

Split type backplate of liquid crystal display

Technical Field

The utility model relates to the technical field of display screens, in particular to a split type back plate of a liquid crystal display screen.

Background

The display screen is an input/output device belonging to the computer. It can be classified into CRT, LCD, etc. It is a display tool that displays certain electronic documents on a screen, also commonly referred to as a monitor, through a specific transmission device and reflects them to the human eye. At present, the straight following formula display screen on the market includes backplate, front panel, locates the LED lamp between backplate and the front panel and locates the automatically controlled board subassembly on the backplate, and LED locates on the internal surface of backplate.

Patent number CN105575261B discloses a lid behind computer display screen, this display screen's backshell includes the backplate and locates the inboard mounting panel of backplate, the internal surface of backplate has first region and adjoins the second region of first region, the mounting panel with the second region is relative and the interval sets up, the second region with installation space between the mounting panel is used for supplying the electronic control board subassembly installation of display screen, the back of mounting panel is to the regional surface of second and the first region of the internal surface of backplate for supply the installation of LED lamp. The prior art has the following disadvantages: 1. the direction of the display screen arranged on the back plate cannot be freely adjusted; 2. a large amount of heat that the display screen during operation produced can't in time spill, leads to the shortening of the life of display screen, influences life, for this reason, we provide a split type backplate of liquid crystal display.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a split back plate of a liquid crystal display screen, which aims to solve the problems in the prior art.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a split type backplate of liquid crystal display, includes backplate, baffle and screw hole, and the screw hole has a plurality ofly, and at baffle surface evenly distributed, the notch has all been seted up to baffle top and bottom, and the fan mounting hole has been seted up at the baffle top, and the fan mounting hole is linked together with the notch at baffle top, and the fan mounting hole internal fixation has the fan, and backplate back top and bottom all are fixed with connecting device, are fixed with the pivot between the connecting device, a plurality of bearing frames of pivot axis body swing joint, and bearing frame one side is connected with the fixed block, is connected with rotary device between fixed block and the pivot, and rotary device can drive the pivot and rotate.

Preferably, the connecting device comprises a special-shaped plate, a fixing ring is fixed on the inner side of the special-shaped plate, and the rotating shaft penetrates through the fixing ring and is fixed with the inner wall of the fixing ring.

Preferably, the rotating device comprises a movable shaft, the movable shaft is movably connected with one side of the fixed block, a second gear is connected with the movable shaft body, a first gear is fixed on the rotating shaft body, and the first gear is meshed with the second gear.

Preferably, the back of the back plate and the top and the bottom of the fixing block are connected with a plurality of supporting devices.

Preferably, the supporting device comprises a second hinge rod and a first hinge rod, the second hinge rod is hinged to the first hinge rod, the other side of the first hinge rod is hinged to a hinge column fixed to the end face of the fixing block, and the other side of the second hinge rod is hinged to a hinge seat fixed to the back face of the back plate.

Preferably, a filter screen is fixed in a notch formed in the bottom of the baffle, and a fixing frame is fixed on one side of the fixing block.

Preferably, a motor is fixed to the top end of the fixing block, and the output end of the motor is fixed to the top end of the rotating shaft.

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

(1) this split type backplate of liquid crystal display is provided with pivot, rotary device, and the first gear and the second gear that rotary device set up mutually support and can drive the pivot and rotate, and then drive backplate and display screen and rotate, have realized the free rotation of display screen.

(2) This split type backplate of liquid crystal display is provided with the fan, and the setting of fan in the notch can in time distribute away the heat that the inside diode of display screen produced, has improved the life of display screen.

Drawings

FIG. 1 is a bottom view of the present invention;

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

FIG. 3 is a rear right side axial view of the present invention;

fig. 4 is an axial view of fig. 3 with a side stop of the fixed block removed.

In the figure: 1. a back plate; 2. a baffle plate; 3. a notch; 5. a filter screen; 6. a fan; 7. a threaded hole; 8. a fixed block; 9. a fixed mount; 10. a connecting device; 1001. a shaped plate; 1002. a fixing ring; 11. a rotating device; 1101. a first gear; 1102. a movable shaft; 1103. a second gear; 12. a rotating shaft; 13. a motor; 14. a bearing seat; 15. a support device; 1501. a hinged column; 1502. a first hinge lever; 1503. a second hinge rod.

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.

It should be noted that in the description of the present invention, the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, which are only for convenience of description and simplification of description, and do not indicate or imply that the referred device or element must have a specific orientation, be configured in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.

Further, it will be appreciated that the dimensions of the various elements shown in the figures are not drawn to scale, for ease of description, and that the thickness or width of some layers may be exaggerated relative to other layers, for example.

It should be noted that like reference numerals and letters refer to like items in the following figures, and thus, once an item is defined or illustrated in one figure, it will not need to be further discussed or illustrated in detail in the description of the following figure.

As shown in fig. 1 to 4, the present invention provides a technical solution: the utility model provides a split type backplate of liquid crystal display, including backplate 1, baffle 2 and screw hole 7, screw hole 7 has a plurality ofly, and at 2 surface evenly distributed of baffle, notch 3 has all been seted up to 2 tops of baffle and bottom, notch 3 that 2 bottoms of baffle set up runs through with 2 bottoms of baffle, 3 internal fixation of notch that 2 bottoms of baffle were seted up have filter screen 5, filter screen 5 is the textile fiber filter screen, it can filter the great dust of external granule, prevent that these dusts from entering into the space that display screen and backplate 1 are constituteed, the fan mounting hole has been seted up at 2 tops of baffle, and the fan mounting hole is linked together with notch 3 at 2 tops of baffle, the fan mounting hole internal fixation has

fan

6, 2 tops of baffle and bottom have been seted up notch 3 and have leaned on external one side to be fixed with the ventilating board, 1 back top of backplate and bottom all are fixed with connecting device 10.

Wherein, the connecting device 10 includes the shaped plate 1001, the concrete shape of the shaped plate 1001 is the U-type, two side plates of the shaped plate 1001 are fixed with the back of the back plate 1, the inboard of the shaped plate 1001 is fixed with the fixed ring 1002, fixed with the spindle 12 between the connecting devices 10, the spindle 12 passes the fixed ring 1002, and fix with the inner wall of the fixed ring 1002, connect multiple bearing brackets 14 in spindle 12 activity, and one side of bearing bracket 14 connects with the fixed block 8, the fixed block 8 top is fixed with the electrical machinery 13, the electrical machinery 13 is the step motor, the step motor is the open loop control electrical machinery which turns the electrical pulse signal into the angular displacement or linear displacement, it is the main executive component in the modern digital program control system, the application is extremely extensive, under the non-overload situation, the rotational speed of the electrical machinery, the position of stopping only depends on frequency and pulse number of the pulse signal, and is not influenced by the load change, when the step driver receives a pulse signal, it drives the stepper motor to rotate a fixed angle, called the "step angle", in a set direction, which is rotated step by step at a fixed angle. The step motor is an induction motor, and its working principle is that it utilizes electronic circuit to change the direct current into time-sharing power supply and multiphase time sequence control current, and uses said current as step currentThe stepping motor can normally work only when the motor is powered, the driver is the stepping motor for time-sharing power supply, the multi-phase time schedule controller is used for fixing the output end of the motor 13 and the top end of the rotating shaft 12, a fixing frame 9 is fixed on one side of the fixing block 8, the fixing frame 9 is L-shaped and is made of 304 stainless steel, the 304 stainless steel is common stainless steel, and the density is 7.93g/cm³The stainless steel has high temperature resistance of 800 ℃, and in order to maintain the inherent corrosion resistance of the stainless steel, the steel must contain more than 18 percent of chromium and more than 8 percent of nickel, and a rotating device 11 is connected between the fixed block 8 and the rotating shaft 12.

Further, the rotating device 11 includes a movable shaft 1102, the movable shaft 1102 is movably connected with one side of the fixed block 8, the movable shaft 1102 is connected with a second gear 1103, a first gear 1101 is fixed on the shaft 12, the first gear 1101 is meshed with the second gear 1103, and the rotating device 11 can drive the rotating shaft 12 to rotate.

The back of the back plate 1 is connected with a plurality of supporting devices 15 at the top end and the bottom end of the fixed block 8, each supporting device 15 comprises a second hinge rod 1503 and a first hinge rod 1502, the second hinge rod 1503 is hinged with the first hinge rod 1502, the other side of the first hinge rod 1502 is hinged with a hinge column 1501 fixed on the end face of the fixed block 8, and the other side of the second hinge rod 1503 is hinged with a hinge seat fixed on the back of the back plate 1.

It should be noted that, at first, the display screen and the backboard 1 are fixed, and the backboard 1 is fixed with the wall surface through the fixing frame 9, when the temperature between the display screen and the backboard 1 is higher, the fan 6 is turned on, so that the temperature between the display screen and the backboard 1 can be discharged in time, the service life of the display screen is prolonged, when the angle of the display screen needs to be adjusted, the motor 13 is started, the movable shaft 1102 rotates, because the second gear 1103 is meshed with the first gear 1101, and because the first gear 1101 is fixed with the rotating shaft 12, the rotation of the rotating shaft 12 can be realized to drive the rotation of the backboard 1 and the display screen, and the free rotation of the display screen is realized.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a split type backplate of liquid crystal display, includes backplate (1), baffle (2) and screw hole (7), and screw hole (7) have a plurality ofly, and at baffle (2) surface evenly distributed, its characterized in that: notch (3) have all been seted up to baffle (2) top and bottom, the fan mounting hole has been seted up at baffle (2) top, the fan mounting hole is linked together with notch (3) at baffle (2) top, fan mounting hole internal fixation has fan (6), backplate (1) back top and bottom all are fixed with connecting device (10), be fixed with pivot (12) between connecting device (10), a plurality of bearing frames (14) of pivot (12) axis body swing joint, bearing frame (14) one side is connected with fixed block (8), be connected with rotary device (11) between fixed block (8) and pivot (12), rotary device (11) can drive pivot (12) and rotate.

2. The separated back plate of a liquid crystal display screen according to claim 1, wherein: the connecting device (10) comprises a special-shaped plate (1001), a fixing ring (1002) is fixed on the inner side of the special-shaped plate (1001), and the rotating shaft (12) penetrates through the fixing ring (1002) and is fixed with the inner wall of the fixing ring (1002).

3. The separated back plate of a liquid crystal display screen according to claim 1, wherein: the rotating device (11) comprises a movable shaft (1102), the movable shaft (1102) is movably connected with one side of the fixed block (8), a second gear (1103) is connected to the shaft body of the movable shaft (1102), a first gear (1101) is fixed to the shaft body of the rotating shaft (12), and the first gear (1101) is meshed with the second gear (1103).

4. The separated back plate of a liquid crystal display screen according to claim 1, wherein: the back of the back plate (1) and the top and the bottom of the fixing block (8) are connected with a plurality of supporting devices (15).

5. The separated back plate of liquid crystal display screen of claim 4, wherein: the supporting device (15) comprises a second hinge rod (1503) and a first hinge rod (1502), the second hinge rod (1503) is hinged to the first hinge rod (1502), the other side of the first hinge rod (1502) is hinged to a hinge column (1501) fixed to the end face of the fixing block (8), and the other side of the second hinge rod (1503) is hinged to a hinge seat fixed to the back face of the back plate (1).

6. The separated back plate of a liquid crystal display screen according to claim 1, wherein: a filter screen (5) is fixed in a notch (3) formed in the bottom of the baffle (2), and a fixing frame (9) is fixed on one side of the fixing block (8).

7. The separated back plate of a liquid crystal display screen according to claim 1, wherein: the top end of the fixed block (8) is fixed with a motor (13), and the output end of the motor (13) is fixed with the top end of the rotating shaft (12).