KR100652814B1 - Apparatus for ascending and descending monitor - Google Patents

Abstract

A device for ascending/descending a monitor is provided to arrange a desk by automatically receiving the monitor to a lower side of the desk, adjust the monitor according to a form of a user, and prevent overload and reduce noise for ascending/descending the monitor by using a sliding rail. A pair of the first and second supporting frame(101,102) are installed to an upper and lower part of a rear wall(202) of the desk. The pair of the first and second fixed rail(103) are vertically installed between the first and second supporting frame. The first and second moving rail(104) is freely ascended/descended on the first and second fixed rail. A monitor supporter(110) is fixed between the first and second moving rail as one body. An ascending/descending device moves up/down the monitor supporter in a level state by being installed on a central line of the monitor supporter. A controller(120) controls the ascending/descending device. The ascending/descending device includes a driving motor(130), the first pulley(141), the second pulley, and a belt.

Description

Apparatus for ascending and descending monitor}

1 is a perspective view showing a part of the conventional monitor lifting device.

Fig. 2 is a side cross-sectional view of Fig. 1 showing a state where a monitor elevating device is installed.

3 is a cross-sectional view showing another conventional example of the monitor elevating device.

Figure 4 is a perspective view showing a desk equipped with a monitor lift apparatus according to the present invention.

Figure 5 is an enlarged view of the main portion showing only a part of the monitor lifting apparatus according to the present invention.

Figure 6 is a perspective view showing a part of the monitor support means according to the present invention.

Figure 7 is an enlarged view of the main portion showing a part of the tension adjusting means according to the present invention.

* Brief description of the major symbols in the drawings *

100: monitor lifting device 101,102: support frame

103,103 ': Fixed rail 104,104': Moving rail

105: row bearing 110: monitor support means

111: connection support 112: reinforcement

113: support plate 120: control unit

130: motor 140: reduction gear

141,142: pulley 143: belt

150: tension control means

Field of invention

The present invention relates to a monitor lift device. More specifically, the present invention relates to a monitor elevating device that allows a user to adjust the monitor to his or her eye level using an operation switch while the monitor is stored inside a desk.

Background of the Invention

Recently, with the rapid increase in the number of computers, various designs have been devised to impart functionality to computer tables (hereinafter referred to as desks).

However, the ratio of CRT-type computer monitors is so large that they cannot play the role of a desk, while LCD monitors occupy a relatively small area of the desk than CRT-types, but still protrude on the desk, making them look bad.

Therefore, in order to solve the above problems, various methods have been devised and applied for storing and opening in a desk.

Among them, for example, in the case of the Korean Utility Model Registration No. 0114350 “Monitor Lifting Device for Computer Table”, as shown in FIG. 1 or FIG. 2, the viewing window 4 is located at the bottom of one side of the computer table 1. ) Is provided with an opening (3) to selectively open and close to provide a lifting unit (2), and the lifting post (18, which can be elevated while guiding the lifting cylinder (20, 21) on the bottom of the lifting unit (2) 19) Install an up-down base 4 on which the monitor M can be placed, and install a lead screw 11 vertically at the center bottom of the up-down base 6, wherein the lead screw 11 is decelerated. The chain gear 10 inserted into the drive shaft 9 of the motor 8 and the female thread 12 of the chain gear 13 connected by the chain 14 are engaged with each other and lead to the rotation operation of the chain gear 13. The screw 11 is rotated up and down to configure the up-down base 6 to move up and down, and the up-down base 6 On one side of the elevating portion (2) to be installed, upper and lower limit switches (22, 23) which can be selectively connected at the time of elevating the up-down base (6) are installed and electrically connected to the elevating switch (23) to reduce the motor (8). It is configured to control the.

In addition, Korean Utility Model Registration No. 0122161 "Monitor Lift Device", as shown in Figure 3, by cutting the desk top plate 1 to form a monitor function storage unit 10 in the rear of the desk and the monitor function storage unit 10 Into the front and open the monitor box 20 is formed with both sides of the wall (21) extending to a predetermined length, the monitor compartment 20 to move vertically and vertically of the monitor compartment 10 both sides of the wall (11) The guide rails 12 and the side walls 21 of the monitor box 20 are formed with guide grooves 22 so as to slide, while being fixed to the motor fixing base 31 fixed to the bottom of the monitor compartment 10. The screw shaft 33 rotates in accordance with the driving of the fixed drive motor 32 to move the moving nut 34 to deploy or fold the link arms 35, 35 '36, 36' and monitor the 20. Monitor the upper end of the upper fixed link arm 35 of the known fender-graphed lift device 30 to raise and lower the The bottom 20 is fixed to the bottom of the bottom plate and the lower fixed link arm 35 'is fixed to the motor fixing base 31, and the upper and lower movable link arms 36 and 36' can be formed by forming rollers 37 at the upper and lower ends. The first limit switch 39 fixed to an appropriate position when the movable nut 34 moves to the left and right by fixing the lower end of the contact piece 38 and the lower movable link arm 36 'to the movable nut 34. And the link arms 35, 35 ', 36, and 36' are developed and folded while being in contact with the second limit switch 39 ', and a contact portion 41 is formed inside the keyboard drawer 40 formed on the front surface of the desk. The upper and lower limit switches 43 and the lower limit switch 44 fixed to the inner side of the keyboard drawer 42 when the keyboard drawer 40 is opened and closed are configured to be connected to each other.

As the former and the latter monitor elevating device uses a lead screw (corresponding to the latter screw shaft) and a motor, when the elevating or descending, the overload of the motor and the mechanical device is excessively applied due to the weight of the monitor. There is a problem that the noise is severe. In particular, there is a problem that adversely affects the monitor by the rotational vibration of the latter roller.

The inventors of the present invention to solve the conventional problems as described above, the monitor lifting device is naturally developed regardless of the load of the monitor, the lifting operation is made, and to develop a monitor lifting device to significantly reduce the noise.

An object of the present invention is to allow the monitor to be automatically stored at the bottom of the desk to organize the desk neatly and at the same time to adjust the monitor up and down to fit the user's body. .

An object of the present invention is to use a slide rail to prevent the motor from being overloaded when the monitor is raised and lowered, and to induce low noise.

The above object of the present invention can be achieved by the present invention described below.

Summary of the Invention

Monitor lift device of the present invention,

In the desk where the computer monitor is built in so that the operation switch can raise and lower,

A pair of first and second support frames 101 and 102 disposed symmetrically on the rear wall 202 of the desk; And

A pair of first and second fixed rails 103 and 103 'installed vertically between the first and second support frames;

First and second moving rails 104 and 104 'that freely move up and down on the first and second fixed rails; And

Monitor support means (110) fixedly installed between the first and second moving rails; And

Lifting device 100 is installed on the center line of the monitor support means 110 for transporting the monitor support means up and down in a horizontal state: And

A control unit 120 for controlling the elevating device;

It is characterized by.

The lifting device 100 includes a drive motor 130 installed in the center of the first support frame 102;

A reduction gear unit 140 installed on the drive motor shaft and a first pulley 141 installed on the reduction gear unit shaft;

A second pulley 142 which is symmetrical with the first pulley and is installed in the second support frame 102; And

A belt 143 coupled to the first and second pulleys 141 and 142 for operating the monitor support means 110 up and down by a driving motor 130;

It is characterized by.

Hereinafter, with reference to the accompanying drawings the contents of the present invention will be described in detail below.

Figure 4 is a perspective view showing a desk equipped with a monitor lifting device according to the present invention, Figure 5 is an enlarged view of the main portion showing only a part of the monitor lifting device according to the present invention, Figure 6 is a part of the monitor support means according to the present invention Figure 7 is a perspective view showing, Figure 7 is an enlarged view showing the main portion of the tension adjusting means according to the present invention.

In the following description, only one portion will be described for symmetrical or identical portions in the drawings.

As shown in FIG. 4, the monitor elevating device 100 of the present invention is installed inside the desk, particularly on the rear wall.

In addition, the entrance and exit 201 larger than the width and width of the monitor is formed on the upper surface of the desk 200, the swing door 210 is opened and closed by elastic pieces (not shown) on both sides of the entrance and exit. Such a door opening and closing method can be easily implemented by those skilled in the art.

As illustrated in FIG. 5, a pair of first and second support frames 101 and 102 are installed symmetrically on the lower wall 202 of the desk.

 The first and second support frames are made of metal and have a roughly shaped shape to be joined to the desk by screws (not shown).

A pair of first and second fixing rails 103 and 103 'are vertically screwed to the front surfaces of the first and second support frames 101 and 102.

In addition, first and second moving rails 104 and 104 'are installed on the first and second fixed rails, and a row bearing 105 is installed between the fixed rail and the moving rail to smoothly move the monitor up and down. It was made to proceed.

In addition, the monitor support means 110 is fixedly installed between the first and second moving rails (104, 104 ').

As shown in FIG. 6, the monitor supporting means 110 is a metal connecting support 111 for connecting between the first and second moving rails 104 and 104 ', and a fixed angle at both ends of the connecting support. It consists of a reinforcement part 112 each formed, and the support plate 113 provided on this reinforcement part, and for mounting a monitor.

In addition, the lifting device 100 is installed on the center line of the monitor support means 110 to move the monitor support means up and down in a horizontal state.

The elevating device 100 includes a drive motor 130 installed in the center of the first support frame 102, a reduction gear unit 140 installed on the drive motor shaft, and a first pulley installed on the reduction gear unit shaft. 141, a second pulley 142 symmetrical to the first pulley and installed on the second support frame 102, and coupled to the first and second pulleys 141 and 142 by the driving motor 130. It is composed of a belt 143 for operating the monitor support means 110 up and down.

The belt 143 uses a timing belt as in the enlarged portion A of FIG. 5, and the tension adjusting means in the second support frame 102 as shown in the enlarged portion of the portion B of FIG. 5 (see FIG. 7). By 150, the tension of the belt 143 can be adjusted. For example, the tension adjusting means 150 is provided with a bearing 151 in the second pulley 142, which is supported by the bolt 152, which is tightened by a nut 153. To lose.

At this time, the front and rear of the bearing to install the elastic means 154 to prevent the shake of the pulley.

In addition, the second support frame, that is, the bolt 152 is formed in the long hole (102 ') to form a hole to move up or down, thereby adjusting the tension of the pulley.

In addition, the elevating device 100 is controlled by the control unit 120, the control unit 120 is supplied with power from a power supply not shown, a circuit board 121 for driving a motor and the circuit board Is installed in the switch 122 for adjusting the rising or falling speed of the motor.

In addition, by installing the detection sensors (S1, S2) in the upper proximal position and the lower proximal position of the first fixing rail 103, when the monitor support means 110 is out of the set position, by stopping the operation of the motor, To prevent overload. The sensor may use a touch method or an infrared sensing method. Such a sensor method may be easily implemented by those skilled in the art.

Therefore, the monitor lifting apparatus configured as described above operates the motor 130 when the switch 122 is operated while the user monitor is placed on the monitor supporting means 110, that is, the support plate 113, and by the driving of the motor. As the reduction gear 140 and the first and second pulleys 141 and 142 are rotated, the support plate 113 installed on either side of the belt is raised upward while being guided by the moving rail 1104, and the fixing is performed. It is stopped by the detection sensor S1 installed on the upper end of the rail 103.

Therefore, the monitor comes to the entrance and exit 201 formed in the desk 200.

As described above, the monitor elevating device of the present invention has the effect of preventing the motor from being overloaded when the monitor is raised and lowered and inducing low noise.

Simple modifications and variations of the present invention can be readily used by those skilled in the art, and all such variations or modifications can be considered to be included within the scope of the present invention.

Claims (2)

In the desk where the computer monitor is built in so that the operation switch can raise and lower, A pair of first and second support frames disposed symmetrically on a lower wall of the desk; And A pair of first and second fixed rails installed vertically between the first and second support frames; First and second moving rails which freely move up and down on the first and second fixed rails; And Monitor support means fixedly installed between the first and second moving rails; And An elevating device installed on a center line of the monitor supporting means for transferring the monitor supporting means up and down in a horizontal state; and A control unit for controlling the elevating device; Monitor lifting device characterized in that the. According to claim 1, The elevating device is a drive motor installed in the center of the first support frame; A reduction gear unit installed on the drive motor shaft and a first pulley installed on the reduction gear unit shaft; A second pulley symmetrical to the first pulley and installed on a second support frame; And A belt coupled to the first and second pulleys for operating the monitor support means up and down by a driving motor; Monitor lifting device characterized in that the.

Images