CN212074011U

CN212074011U - High protection track traffic is adorned formula on-vehicle LCD outward

Info

Publication number: CN212074011U
Application number: CN202020534734.9U
Authority: CN
Inventors: 冯波; 左大永; 彭海辉; 吴谊恒; 王东宁; 丛湘林; 周丽萍
Original assignee: Hunan Huaqihao Iron Intelligent Technology Co ltd
Current assignee: Hunan Huaqihao Iron Intelligent Technology Co ltd
Priority date: 2020-04-13
Filing date: 2020-04-13
Publication date: 2020-12-04
Anticipated expiration: 2030-04-13

Abstract

The utility model discloses a high protection track traffic installs on-vehicle LCD display of formula outward, include: LCD safety cover, LCD display screen main part and fixing device, the LCD safety cover includes frame and glass board before the metal, LCD display screen main part includes center, LCD screen, circuit board and backshell, the glass board cover in the LCD screen upper surface, the frame is used for fixing before the metal the glass board just is fixed in the side all around of LCD screen, the center is fixed in the side all around of LCD screen, the circuit board with LCD screen electric connection, the circuit board be used for doing the LCD screen power supply with provide output signal, the circuit board is located the LCD screen below, the backshell with the LCD screen parcel the circuit board, fixing device is used for fixing the LCD display is in the automobile body. The utility model discloses installation need not separation safety cover and LCD screen, has improved the protectiveness of safety cover, reduces the installation dust, and the volume is lighter small and exquisite more simultaneously.

Description

High protection track traffic is adorned formula on-vehicle LCD outward

Technical Field

The utility model belongs to the interior LCD display field of track traffic trade passenger room especially relates to a high protection track traffic installs on-vehicle LCD display of formula outward.

Background

With the rapid development of the rail transit industry, the LCD display in the car has become a standard equipment of the passenger information system. An exposed passenger room LCD display typically includes a protective cover for protecting the LCD panel and the circuit board. At present to the LCD display of installing in the car inside wall outside, its mounting means that uses most often all is through the fix with screw, and need pull down the safety cover earlier, and this kind of mounting means can bring following several drawbacks: (1) the protective cover is detached in the installation process, so that the liquid crystal screen is directly exposed and has the risk of collision; (2) in the process of assembling and disassembling the protective cover, dust is easy to enter between the liquid crystal screen and the glass plate, and the service life and the appearance of the liquid crystal screen are influenced; (3) because the LCD display needs to be fixed to the car body through screws, mounting holes must be reserved in the area outside the liquid crystal display, so that the frame of the LCD display cannot be narrowed, and the LCD display looks thicker and heavier in appearance.

SUMMERY OF THE UTILITY MODEL

To the problem, the utility model provides a high protection track traffic is adorned formula on-vehicle LCD display outward, installation need not separation safety cover and LCD screen, has improved the protectiveness of safety cover, and need not reserve the mounting hole on the LCD display, reduces the installation dust, makes the LCD display volume light small and exquisite more simultaneously.

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

a high protection rail transit externally-mounted vehicle-mounted LCD display comprises: the LCD protective cover comprises a metal front frame and a glass plate, the LCD protective cover comprises a middle frame, a liquid crystal screen, a circuit board and a rear shell, the glass plate covers the upper surface of the liquid crystal screen, the metal front frame is used for fixing the glass plate and is fixed on the peripheral side of the liquid crystal screen, the middle frame is fixed on the peripheral side of the liquid crystal screen, the circuit board is electrically connected with the liquid crystal screen, the circuit board is used for supplying power to the liquid crystal screen and providing output signals, the circuit board is positioned below the liquid crystal screen, the rear shell and the liquid crystal screen wrap the circuit board, and the fixing device is used for fixing the LCD display on a vehicle body; the fixing device comprises a mounting support and a locking structure, the mounting support is fixed on the vehicle body through screws, and the locking structure is used for fixing the LCD protective cover and the LCD display screen main body on the mounting support.

Preferably, the locking structure comprises an L-shaped top plate, a big head screw and a nut, wherein a screw hole is formed in one surface of the L-shaped top plate, the big head screw penetrates through the screw hole, and the nut is sleeved on the big head screw.

The optimization effect that this optimization scheme brought is that make the LCD display pass through locking structure to be fixed on the installing support, and not directly pass through the fix with screw on the automobile body, installation dust and vibrations that have significantly reduced need not to pull down the safety cover simultaneously, better protection LCD screen.

More preferably, the locking structure is located between the metal front frame and the middle frame, the 90-degree angle of the L-shaped top plate faces the LCD display screen main body, and the head of the big head screw faces the metal front frame.

More preferably, when the locking structure is unlocked, the L-shaped top piece is not contacted with the mounting bracket; when the locking structure is locked, the L-shaped top plate is in close contact with the mounting bracket.

More preferably, a through hole is formed in a position, corresponding to the head of the big head screw, of the metal front frame.

The optimization effect that this optimization scheme brought is that operating personnel need not to dismantle the safety cover can lock L type top piece.

More preferably, the through hole is used for providing a space for screwing the big head screw, and the aperture of the through hole is smaller than the outer diameter of the big head screw.

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

1. a high protection track traffic is adorned formula on-vehicle LCD display outward and is fixed on the installing support through locking structure, rather than directly through the fix with screw on the automobile body, the installation has significantly reduced dust and vibrations, need not to pull down the safety cover simultaneously, better protection LCD screen.

2. A high protection track traffic is adorned on-vehicle LCD display of formula outward and is adopted installing support and locking structure, inside being fixed in the center, not exposed, pleasing to the eye succinct, and the traditional directly vehicle-mounted LCD display that adopts the fix with screw must reserve great center thickness, redundancy is heavy.

Drawings

Fig. 1 is a structural schematic diagram of an externally-mounted vehicle-mounted LCD display for high-protection rail transit.

Fig. 2 is a schematic structural view of the fixing device of the present invention.

Fig. 3 is a schematic structural view of the fixing device of the present invention before locking.

Fig. 4 is a schematic structural diagram of the fixing device of the present invention after being locked.

The LCD protective cover, 11, the metal front frame, 12 and the glass plate are arranged in the frame, wherein 1, the LCD protective cover, 11, the metal front frame, 12 and the glass plate are arranged in the frame; 2. the LCD comprises an LCD main body 21, a middle frame 22 and a liquid crystal screen; 3. mounting a bracket; 4. a locking structure 41, an L-shaped top plate 42, a big head screw 43 and a nut; 5. and a through hole.

Detailed Description

For a better understanding of the present invention, the contents of the present invention will be further clarified below with reference to the accompanying drawings and examples, but the present invention is not limited to the following examples.

Examples

In the description of the present invention, it is to be understood that the directions or positional relationships indicated by the terms "upper", "lower", "top", "bottom", "inner", "outer", etc. are all the directions or positional relationships shown on the drawings, and the objects are only for convenience of description of the present invention and simplification of description, and do not indicate or imply that the parts indicated must have a specific direction, be constructed and operated in a specific direction, and thus, are not to be construed as limiting the present invention.

As shown in fig. 1 and 2, a high-protection rail transit exterior mounted vehicle LCD display comprises: LCD safety cover 1, LCD display screen main part 2 and fixing device, frame 11 and glass board 12 before LCD safety cover 1 includes the metal, LCD display screen main part 2 includes center 21, LCD screen 22, circuit board and backshell, glass board 12 covers in LCD screen 22 upper surface, frame 11 is used for fixed glass board 12 and covers LCD screen 22 side all around before the metal, center 21 is fixed in LCD screen 22 side all around, circuit board and LCD screen 22 electric connection, the circuit board is used for the power supply of LCD screen 22 and provides output signal, the circuit board is located LCD screen 22 below, backshell and LCD screen 22 parcel circuit board, fixing device is used for fixed LCD display in the automobile body. The fixing device comprises a mounting bracket 3 and a locking structure 4, the mounting bracket 3 is fixed on the vehicle body through screws, and the locking structure 4 is used for fixing the LCD protective cover 1 and the LCD display screen main body 2 on the mounting bracket 3.

The locking structure 4 comprises an L-shaped top plate 41, a big head screw 42 and a nut 43, wherein one side of the L-shaped top plate 41 is provided with a screw hole, the big head screw 42 penetrates through the screw hole, and the nut 43 is sleeved on the big head screw 42. The locking structure 4 is positioned between the metal front frame 11 and the middle frame 21, the 90-degree angle of the L-shaped top plate 41 faces the LCD display screen main body 2, and the head of the big head screw 42 faces the metal front frame 11. In this embodiment, the large head screw 42 is a large head screw, and the nut 43 is a thin nut.

As shown in fig. 3 and 4, when the locking structure 4 is unlocked, the L-shaped top plate 41 is not in contact with the mounting bracket 3; when the locking structure 4 is locked, the L-shaped top plate 41 is tightly contacted with the mounting bracket 3. The metal front frame 11 is provided with a through hole 5 corresponding to the head of the big head screw 42. The through hole 5 is used for providing a space for screwing the head screw 42, and the aperture of the through hole 5 is smaller than the outer diameter of the head screw 42. The fixing devices with proper quantity can be selected according to actual conditions, and in the embodiment, 4 groups of fixing devices are adopted, and every two fixing devices are fixed on two sides of the LCD display screen main body 2.

A high protection track traffic adorns on-vehicle LCD display's of formula outward installation step as follows:

(1) fixing 4 mounting brackets 3 at proper positions of the vehicle body through screws;

(2) the assembled LCD protective cover 1 and the LCD display screen main body 2 are arranged on a mounting bracket 3;

(3) the big head screw 42 is rotated counterclockwise, so that the L-shaped top plate 41 moves towards the mounting bracket 3, and when the L-shaped top plate 41 is pressed against the bottom of the mounting bracket 3, the locking action is completed.

In the step (3), the large head screw 42 is located inside the LCD protective cover 1, so that the relative position of the large head screw 42 and the LCD display screen main body 2 is not changed during screwing, but the L-shaped top plate 41 moves, thereby achieving the purpose of locking.

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 invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a high protection track traffic adorns on-vehicle LCD display of formula outward which characterized in that includes: the LCD protective cover comprises a metal front frame and a glass plate, the LCD protective cover comprises a middle frame, a liquid crystal screen, a circuit board and a rear shell, the glass plate covers the upper surface of the liquid crystal screen, the metal front frame is used for fixing the glass plate and is fixed on the peripheral side of the liquid crystal screen, the middle frame is fixed on the peripheral side of the liquid crystal screen, the circuit board is electrically connected with the liquid crystal screen, the circuit board is used for supplying power to the liquid crystal screen and providing output signals, the circuit board is positioned below the liquid crystal screen, the rear shell and the liquid crystal screen wrap the circuit board, and the fixing device is used for fixing the LCD display on a vehicle body; the fixing device comprises a mounting support and a locking structure, the mounting support is fixed on the vehicle body through screws, and the locking structure is used for fixing the LCD protective cover and the LCD display screen main body on the mounting support.

2. The high-protection track traffic external vehicle-mounted LCD display as claimed in claim 1, wherein the locking structure comprises an L-shaped top plate, a big head screw and a nut, one side of the L-shaped top plate is provided with a screw hole, the big head screw passes through the screw hole, and the nut is sleeved on the big head screw.

3. The high-protection rail transit exterior mounted vehicle LCD display as claimed in claim 2, wherein the locking structure is located between the metal front frame and the middle frame, the 90-degree angle of the L-shaped top plate faces the LCD display screen main body, and the head of the big head screw faces the metal front frame.

4. The high-protection rail transit exterior mounted vehicle LCD display as claimed in claim 3, wherein when the locking structure is unlocked, the L-shaped top plate is not in contact with the mounting bracket; when the locking structure is locked, the L-shaped top plate is in close contact with the mounting bracket.

5. The high-protection rail transit exterior mounted vehicle LCD display as claimed in claim 3, wherein a through hole is formed on the metal front frame corresponding to the head of the big head screw.

6. The high-protection rail transit exterior vehicle-mounted LCD display as claimed in claim 5, wherein the through hole is used for providing a space for screwing the big head screw, and the aperture of the through hole is smaller than the outer diameter of the big head screw.