KR100911903B1 - The display unit protective device - Google Patents

Abstract

The present invention relates to a display device protective cover, which is developed as a means for automatically opening and closing the front surface of a display device for displaying a screen such as a television or a monitor to protect against external impact or contamination;

A bracket extending in a horizontal direction adjacent to the upper front of the display device;

An upper cover rotatably connected to the bracket with a hinge structure and extending downward to a middle portion of the display apparatus;

A lower cover rotatably connected to a hinge structure at a lower end of the upper cover and extending downward;

And a driving unit configured to rotate the upper cover by a motor embedded in the bracket and a driving gear connected to the motor.

Display, protect, cover

Description

Display unit protective device {The display unit protective device}

The present invention relates to a display device protective cover, and in more detail, when a display device displayed on a screen such as a television or a monitor is prevented from being damaged by external impact or contaminated by dust or dirt, etc. The present invention relates to a protective cover developed to cover the front surface so as to protect it safely.

In general, a display device refers to a device that can be viewed through a screen, such as a television or a monitor. In particular, a school or academy generally includes one for each room for audiovisual education.

In the past, a general television or a monitor is provided, but recently, a large display device having a larger screen is generally installed, and as a result, many LCD monitors are provided.

However, in the case of LCD monitors, the impact on the LCD liquid crystal damages the LCD screen, causing chemical bleeding inside, causing color bleeding or stains.

This is a phenomenon that occurs frequently at home as well as a general school or academy, and in order to prevent it, it is desirable to protect it by putting a cover to protect it in normal times.

In addition, it is desirable that such a protective cover has a function of automatically opening and closing, and it is necessary to develop a device for this.

The present invention was developed to solve the above problems, and an object thereof is to develop a display device protective cover which can cover or open the front of the display device automatically rather than manually.

In addition, the protective cover is to be folded to reduce the space occupied in the folded state.

It is also to prevent the driving motor from being subjected to excessive force.

In order to achieve the above object, the present invention includes a bracket extending in the horizontal direction adjacent to the front top of the display device;

An upper cover rotatably connected to the bracket with a hinge structure and extending downward to a middle portion of the display apparatus;

A lower cover rotatably connected to a hinge structure at a lower end of the upper cover and extending downward;

And a drive unit configured to rotate the upper cover by a motor embedded in the bracket and a drive gear connected to the motor.

In addition, the drive unit is characterized in that configured to be operable by the remote control by a control board mounted therein.

In addition, the upper belt pulley is formed to rotate in the same way as the drive gear rotated by the motor;

A lower belt pulley connected to a belt adjacent to a lower cover positioned at a lower end of the upper cover;

An idle gear rotating in engagement with a gear formed on a rotation shaft of the lower belt pulley,

It is mounted on the hinge shaft connecting the upper cover and the lower cover and rotates in engagement with the idle gear, characterized in that the cover drive gear which is interlocked with the lower cover is further mounted.

In addition, the rotational force of the motor is characterized in that configured to be transmitted to the drive gear by the reduction gear.

In addition, cover guides are formed on both sides of the display device, the guide grooves being formed in a vertical longitudinal direction on opposite surfaces thereof;

A guide roller which is inserted in correspondence with the guide groove of the cover guide is mounted on one side and the other side is formed with a connecting piece fixed to the lower cover;

The lower cover is configured to rise along the path by the cover guide when the upper cover is folded upward according to the operation of the drive unit.

In addition, the bracket 2 is further characterized in that the spring 23 is connected to the upper end of the upper cover 3 and the tension acting in the direction in which the upper cover 3 is folded upward.

As described above, the present invention allows the display device protective cover to automatically cover or open the front surface of the display device rather than manually, thereby protecting the display device and easily operating the display device.

In addition, the protective cover is folded to reduce the space occupied in the folded state, the appearance is more neat and has the effect of minimizing the occupied space.

In addition, there is an effect that the device can be driven with a small force by configuring the reduction gear and the spring so that the driving motor is not subjected to excessive force.

Accordingly, the configuration of the present invention will be described in detail with reference to the accompanying drawings so that those skilled in the art can easily understand and reproduce.

1 is a perspective view of a protective cover according to a first embodiment of the present invention is covered, Figure 2 is a perspective view of a protective cover according to a first embodiment of the present invention is unfolded, Figure 3 is a third embodiment of the present invention As a side view according to an embodiment, the basic configuration of the present invention comprises a bracket (2) extending in the horizontal direction adjacent to the upper front of the display device (1);

An upper cover (3) rotatably connected to the bracket (2) in a hinge structure and extending downward to a middle portion of the display apparatus (1);

A lower cover 4 rotatably connected to a hinge structure at a lower end of the upper cover 3 and extending downward;

It consists of a motor (51) embedded in the bracket (2) and a drive unit (5) for rotating the upper cover (3) by a drive gear (52) connected to the motor (51).

In other words, the drive unit 5 may be configured to be operated by a remote controller by a control board mounted therein so as to be operated in a switch type as only a drive of a motor is performed without an external force.

According to the first embodiment presented in a detailed configuration of the present invention and the upper belt pulley (53) formed to rotate in the same manner as the drive gear (52) rotated by the motor (51);

A lower belt pulley (55) connected to a belt (54) adjacent to the lower lower cover (4) of the upper cover (3);

An idle gear 56 which rotates in engagement with a gear formed on a rotation shaft of the lower belt pulley 55;

A cover drive gear 57 is mounted on a hinge shaft connecting the upper cover 3 and the lower cover 4 and interlocks with the lower cover 4 which rotates in engagement with the idle gear 56. It was folded as shown in FIG.

In addition, despite the weight of the upper cover (3) and the lower cover (4) to be transmitted to the drive gear by a reduction gear 58 that can make a small force a slow but large force in order to operate smoothly with a small motor. The configured embodiment is further presented.

4A to 4B are operation state diagrams according to the first embodiment of the present invention. Referring to the operation of the apparatus in stages, when the motor 51 rotates, power is transmitted to the drive gear 52 through the reduction gear to drive the drive. The gear 52 is rotated.

In addition, it is preferable to configure the drive gear 52 symmetrically on the left and right side to prevent the twist of the cover during the opening and closing operation.

When the initial drive gear 52 rotates in the counterclockwise direction in the drawing, the rotation of the upper belt pulley 55 rotates in the counterclockwise direction through the belt 54, and the idle gear 56 The cover drive gear 57 also rotates in the counterclockwise direction.

Therefore, the initial movement of the lower cover 4, which is fixed to the shaft of the cover driving gear in accordance with the rotation of the cover drive gear 57 is rotated in the counterclockwise direction of the front cover and lower cover 4 of the upper cover (3) The front is in close contact.

Subsequently, the continuous driving of the motor 51 causes the belt 54 and the cover driving gear 57 to no longer rotate because the lower cover 3 and the upper cover 4 are in close contact with each other. The upper cover 3, which is interlocked with (), also rotates counterclockwise, so that the device is completely flipped.

FIG. 5 is a perspective view of a protective cover according to a second embodiment of the present invention in a covered state, FIG. 6 is a perspective view of a protective cover according to a second embodiment of the present invention in an unfolded state, and FIG. As a side view according to the second embodiment, the configuration according to the second embodiment of the present invention is mounted on both sides of the display device 1, the cover guide 6 is formed with a guide groove in a vertical longitudinal direction on the opposite surface respectively; ;

A guide roller (71) inserted in correspondence with the guide groove of the cover guide (6) is mounted on one side and the other side is provided with a connecting piece (7) fixed to the lower cover (4);

When the upper cover 3 is flipped upward according to the operation of the drive unit 5, the lower cover 4 is characterized in that it is configured to ascend by a path by the cover guide (6).

At this time, the bracket (2) is connected to the upper end of the upper cover (3) is additionally mounted to the spring 23, the tension acting in the direction in which the upper cover (3) is folded upward to cover the cover (3, 4) It is desirable to reduce the load in the vertical direction.

The embodiment can minimize the load on the gears and the motor system, so that not only there is a risk of malfunction, but also a small capacity motor can be operated.

In this case, these dynamics are expressed as follows.

Tm1 = Wc * dc * r

Tm2 =-Ws * ds * r

Tm1 + Tm2 = (Wc * dc-Ws * ds) * r

Where Wc is the load acting downward by the load of the cover, dc is the distance from the axis of the drive gear to the center of gravity of the cover, Ws is the force the spring acts upwards, and ds is the Distance from the axis to the spring.

In addition, r is the reduction ratio from the motor to the drive gear, Tm1 is the load applied to the motor in the vertical downward direction by the load of the cover, and is the load applied to the motor in the vertical upward direction by the Tm2 spring.

Therefore, the sum of loads on the motor when the cover is opened and closed is Tm1 + Tm2, and the load as much as Tm2 is reduced by the spring.

8A to 8B are diagrams illustrating an operating state according to the second embodiment of the present invention. When the upper cover 3 rotates clockwise as shown in the drawing by the rotation of the first driving gear 52, the lower cover 4 is It comes up while being folded but is connected to the cover guide (6) has a principle that comes up in a certain path.

As described above, according to the present invention, the cover is divided into the upper cover 3 and the lower cover 4 so as to be opened while being folded, thereby reducing the space occupied by the device in the folded state, thereby achieving effective utilization of the space. Can be.

1 is a perspective view of a protective cover is covered according to a first embodiment of the present invention

Figure 2 is a perspective view of the protective cover unfolded state according to the first embodiment of the present invention

3 is a side view according to a first embodiment of the present invention;

4a to 4b is an operating state diagram according to a first embodiment of the present invention

5 is a perspective view of a protective cover is covered according to a second embodiment of the present invention

Figure 6 is a perspective view of the protective cover unfolded state according to the second embodiment of the present invention

7 is a side view according to a second embodiment of the present invention;

8a to 8b is an operating state diagram according to a second embodiment of the present invention

<Explanation of symbols for main parts of the drawings>

1: display device

2: Bracket

     21, 22: sensor 23: spring

3: Top cover

4: lower cover

5: drive unit

     51: motor 52: drive gear

     53: upper belt pulley 54: belt

     55: lower belt pulley 56: idle gear

     57: cover drive gear 58: reduction gear

6: cover guide

7: connecting piece

     71: guide roller

Claims (6)

delete delete A bracket (2) extending in the horizontal direction adjacent to the upper front of the display device (1); An upper cover (3) rotatably connected to the bracket (2) in a hinge structure and extending downward to a middle portion of the display apparatus (1); A lower cover 4 rotatably connected to a hinge structure at a lower end of the upper cover 3 and extending downward; It is configured to be operable by a remote control by a control board mounted therein, the upper cover (b) by a motor 51 built in the bracket (2), and a drive gear (52) connected to the motor (51). A drive unit 5 for rotating 3); An upper belt pulley 53 formed to rotate in the same manner as the drive gear 52 rotating by the motor 51; A lower belt pulley 55 connected to a belt 54 adjacent to a lower cover 4 positioned at a lower end of the upper cover 3; An idle gear 56 engaged with a gear formed on a rotation shaft of the lower belt pulley 55 to rotate; And A cover drive gear 57 mounted to a hinge shaft connecting the upper cover 3 and the lower cover 4 to rotate in engagement with the idle gear 56 and interlock with the lower cover 4; Display device protective cover, characterized in that comprises a. 4. The display device according to claim 3, wherein the rotational force of the motor (51) is configured to be transmitted to the drive gear by the reduction gear (58). 4. The cover guide according to claim 3, wherein cover guides (6) are formed on both sides of the display device (1), the guide grooves being formed in the vertical longitudinal direction on the facing surfaces, respectively; A guide roller (71) inserted in correspondence with the guide groove of the cover guide (6) is mounted on one side and the other side is provided with a connecting piece (7) fixed to the lower cover (4); And the lower cover (4) is configured to ascend along a path by the cover guide (6) when the upper cover (3) is flipped upward according to the operation of the drive unit (5). The method of claim 3, wherein the bracket (2) is connected to the upper end of the upper cover (3) is further equipped with a spring 23, the tension acting in the direction in which the upper cover 3 is folded upward Display device protective cover.

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