JP2005025057A - Video monitor electric opening/closing device - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a video monitor electric opening/closing device whose installation place is not limited and which electrically opens and closes a large-sized video monitor by using a completely different system from the conventional opening/closing system. <P>SOLUTION: The video monitor has a large-sized video monitor part 2 of ≥10 inches provided to a housing 11 which can easily be fitted. The electric opening/closing device for the video monitor moves arm lock parts 131 and 132 and frame lock parts 33A and 33B along 1st and 2nd rail grooves 210 and 220 by moving on the upper end of the video monitor part 2 through a speed-reducing motor 112 and a steel wire 114, according to signals inputted by an operation panel 403a or a remote control part to move the video monitor 2 from a horizontal storage state to a vertical state and also adjust the video monitor part to an angle matching a field angle by support arms 13A and 13B. Consequently, a user is able to appreciate a picture in a vehicle or building where the picture needs to be viewed without spoiling beauty nor being an obstacle at the appreciation place. <P>COPYRIGHT: (C)2005,JPO&NCIPI

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a large-sized video monitor electric switchgear that can take a picture or the like as needed without using a complicated structure or using many assembly parts.
[0002]
[Prior art]
Conventionally, when viewing a video or the like, a video monitor fixed at the place is used, and even when the video monitor is not used, the state in which the video monitor is placed does not change, and a space occupied by the monitor is always required.
[0003]
An example of an apparatus that can be stored when a video monitor is not required is disclosed in Japanese Patent Laid-Open No. 10-147185. According to this apparatus, when the video monitor is not required, the video monitor can be stored, so that the occupied space can be opened.
[0004]
[Patent Document 1]
Japanese Patent Laid-Open No. 10-147185
[0005]
[Problems to be solved by the invention]
However, the above-mentioned conventional apparatus in which the video monitor is housed is also limited in size to a maximum screen size of up to 8 inches and complicated in structure, and the fulcrum of the video monitor is the bottom or the left and right 2 of the top horizontal axis. However, since a large amount of gears are used, countermeasures against shock and vibration are not sufficient.
[0006]
Also, as the size of the video monitor increases, the force acting on the gears that support the video monitor becomes very large, and the gears and other structural parts may be damaged due to vibrations or external pressure. Is extremely large.
[0007]
Furthermore, in order to operate a large-sized video monitor opening / closing device using a mechanical component such as a gear, the outer shape of the large-sized video monitor is increased. The manufacturing cost increases due to the measure against the weight. That is, the electric opening / closing device used in the small-sized video monitor as in the above-described conventional example is opened / closed around the left and right positions of the video monitor because the video monitor is small and light. In this method, the force applied to the shaft is large for a large-sized video monitor, and the shaft and other devices are damaged when a little external force is applied to the video monitor. Furthermore, in order to electrically open and close a large-sized video monitor, the structure becomes very complicated in order to increase the number of gears and mechanical strength.
[0008]
An object of the present invention is to provide a video monitor electric switching device that opens and closes a large-sized video monitor by using a method that is not limited to a conventional opening and closing method and that is completely different from the conventional switching method in view of the above problems. is there.
[0009]
[Means for Solving the Problems]
In order to achieve the above object, the present invention is provided in each of a rectangular plate-shaped video monitor unit, a housing for housing the monitor unit, and both sides of the housing, and in the front-rear direction of the housing. A first sliding path having a predetermined length extending; a second sliding path provided on each of both side portions of the casing and having a predetermined length extending in the front-rear direction of the casing; and the video monitor A frame for supporting the video monitor unit, first and second fulcrum members fixed to respective central portions of both sides of the frame, and upper ends of both sides of the frame. First and second frame locking portions that are locked to the second sliding path from the inside of the housing and slide along the second sliding path, and have a predetermined length. A fulcrum locking portion that is rotatably locked to the first fulcrum member. A first support arm having an end portion and an arm locking portion locked to one of the first sliding paths and sliding along the first sliding path, and a predetermined length; And having a fulcrum locking portion that is pivotally locked to the second fulcrum member at one end, and is locked to the other first sliding path and the first sliding A second support arm having an arm locking portion that slides along the path at the other end, a motor fixed to the inside of the housing, and an upper end of the monitor portion as the motor rotates. A video monitor electric opening and closing device is provided that includes a moving means that moves parallel to the side surface of the housing and a drive control means that controls the drive of the motor.
[0010]
In the video monitor electric switchgear according to the present invention having the above-described configuration, the upper portion of the frame that supports the video monitor unit is moved by the rotation of the motor.
[0011]
As the upper part of the frame moves, the first and second frame locking portions move along the second sliding path, and the arm locking portions of the first and second support arms It moves along the first sliding path.
[0012]
When the upper part of the frame is closest to the rear end of the housing, the first and second frame locking portions are located at the rear end of the second sliding path, and the first and second The arm locking portion of the support arm is located at the rear end portion of the first sliding path, and in this state, the video monitor portion is in a position substantially parallel to the upper surface of the housing, and the video monitor portion is in the housing. Is housed in.
[0013]
As the motor is driven and the upper part of the frame moves forward, the first and second frame locking portions move toward the front end along the second sliding path, and the first and second The arm locking portion of the support arm moves toward the front end along the first sliding path, and the video monitor portion slides forward. Accordingly, the support arm rotates around the fulcrum locking portion, and the lower end of the video monitor portion gradually descends while drawing an arc around the first and second frame locking portions. The image monitor unit moves and is exposed from inside the housing.
[0014]
Further, when the arm locking portion reaches the front end portion of the first sliding path, the video monitor portion reaches a position substantially perpendicular to the upper surface of the housing.
[0015]
Further, the present invention is the video monitor opening and closing device having the above-described configuration, wherein the casing is connected to the upper surface, the first and second side surfaces that are connected to the sides of the upper surface and face each other, the upper surface, and the upper surface. A back surface adjacent to the first and second side surfaces, the first sliding path and the second sliding path being provided on each of the first and second side surfaces, and the first sliding path Has a predetermined length extending in parallel to the upper surface, the front end portion is bent in a direction away from the upper surface, and has a first cutout portion curved toward the upper surface at a bending point. A second notch that is curved toward the side away from the upper surface at the front end, and the second sliding path is formed between the first sliding path and the upper surface on each of the first and second side surfaces. Provided between and extending parallel to the upper surface and a rear end portion The distance from the end is set longer than the length of the first sliding path, the center is curved away from the upper surface, and the first and second support arms are at the other end. A video monitor electric switchgear having a disposed first arm locking portion and a second arm locking portion provided at a position a predetermined distance away from the first arm locking portion in the direction of one end is proposed.
[0016]
In the video monitor electric switchgear according to the present invention having the above-described configuration, a support arm that supports the angle of the video monitor unit when the position of the video monitor unit is changed from the horizontal direction housed in the housing to the vertical direction exposed outside the housing; The fulcrum locking part rotates, the first and second arm locking parts and the frame locking part move along the first sliding path and the second sliding path, and the second arm locking part eventually becomes the first. When the front end of the slide path is reached, the video monitor unit is fixed by a support arm that supports the angle and a fulcrum locking unit, and the support arm that supports the angle of the video monitor unit is limited in length. The monitor starts to fall vertically. First and second cutout portions for supporting the monitor provided in the first sliding path are formed at the front end, and the second arm locking portion of the support arm is inserted into and fixed to the second cutout portion. The For this reason, the image monitor unit is fixed to serve as a support for an artificial force and inertial force from the outside to the image monitor unit.
[0017]
The support arm that supports the angle of the video monitor unit includes first and second arm locking parts and a fulcrum locking part, and the fulcrum locking part is supported by a support member fixed to the frame that supports the video monitor part. The first arm locking portion is fixed to the first notch portion provided at the front end of the first sliding path on the side surface of the housing when the video monitor portion changes to a vertical state. The second arm locking portion is fixed to the second cutout portion for releasing the fixation, and the video monitor portion opens in a vertical state, and supports the external pressure when it is open.
[0018]
When the video monitor unit is housed in the housing, the second arm locking unit moves upward with the first arm locking unit serving as a fulcrum when the video monitoring unit changes to a horizontal state. Eventually, when the second arm locking part hits the uppermost part of the second notch part, the second arm locking part becomes a fulcrum, so the first arm locking part falls down and disengages from the first notch part, The support arm moves along the first sliding path in the direction of being accommodated in the casing together with the video monitor unit.
[0019]
Also, in the video monitor opening / closing apparatus according to the present invention, the moving means includes a first pulley that is rotated by the motor, and a second pulley that is fixed to a central portion in the front-rear direction inside the upper surface of the housing. A third pulley fixed to a front portion in the front-rear direction inside the upper surface of the housing, an annular wire that is hooked on the first to third pulleys and slides as the first pulley rotates, and the frame A video monitor electric switchgear comprising a fixing member for fixing the upper part of the annular wire to a predetermined position of the annular wire is proposed.
[0020]
In the video monitor electric switchgear according to the present invention having the above-described configuration, the first pulley is rotated by the motor to move the annular wire in the circumferential direction, and the upper part of the video monitor unit is moved accordingly.
[0021]
Further, the present invention is the video monitor opening / closing device configured as described above, wherein the third pulley is a predetermined distance ahead of the video monitor unit when the video monitor unit is in a position perpendicular to the upper surface of the housing. And the front end of the second sliding path is at a predetermined distance from the video monitor unit when the video monitor unit is at a position perpendicular to the upper surface of the housing. A video monitor electric switchgear in which the length of the second sliding path is set so as to be in a position separated forward is proposed.
[0022]
In the video monitor electric switchgear according to the present invention having the above-described configuration, when the video monitor unit is at a position substantially perpendicular to the upper surface of the housing, the video monitor is further moved forward in the frame monitor. The part rotates about the fulcrum locking part, and rotates to a position where the entire surface of the video monitor part faces obliquely downward.
[0023]
Further, the present invention is the video monitor opening / closing apparatus having the above-described configuration, wherein the moving means includes a ball screw rotated by the motor, a sliding body that moves along the ball screw as the ball screw rotates, and the slide. A video monitor electric switchgear comprising a moving member and a connecting member for connecting the upper part of the frame is proposed.
[0024]
In the video monitor electric switchgear according to the present invention having the above-described configuration, the sliding body moves along the ball screw as the ball screw is rotated by the motor, and the upper portion of the video monitor unit is moved accordingly.
[0025]
According to the present invention, in the video monitor opening / closing device having the above-described configuration, means for detecting that the video monitor unit is in a parallel position and a vertical position with respect to the upper surface of the housing; Means for stopping driving of the motor when it is detected that the position is parallel to the upper surface; and the motor when detecting that the video monitor is in a position perpendicular to the upper surface of the housing. A video monitor electric switchgear provided with means for stopping the driving of the video monitor is proposed.
[0026]
In the video monitor electric switchgear according to the present invention having the above-described configuration, the driving of the motor is stopped when it is detected that the video monitor unit is in a position parallel to the upper surface of the housing, and the video monitor unit Is detected to be perpendicular to the upper surface of the housing, the motor is stopped.
[0027]
According to the present invention, in the video monitor opening / closing apparatus configured as described above, the means for detecting that the upper part of the frame is closest to the front end of the casing, and the upper part of the frame is moved to the front end of the casing by the detecting means. A video monitor electric switchgear comprising means for stopping driving of the motor when it is detected that it is closest is proposed.
[0028]
In the video monitor electric switchgear according to the present invention having the above-described configuration, the driving of the motor is stopped when it is detected that the upper part of the frame is closest to the front end of the casing.
[0029]
In addition, the present invention proposes a video monitor electric switching device having the above configuration, wherein the screen of the video monitor unit has a size of 10 inches or more.
[0030]
In the video monitor electric opening / closing device of the present invention having the above-described configuration, a video monitor unit having a screen of 10 inches or more is accommodated in the casing, and the video monitor unit is opened and closed.
[0031]
Further, in the video monitor opening / closing apparatus having the above-described configuration, the drive control means includes a means for driving the motor based on input information from a manual operation switch panel, and a control signal transmitted from a wireless remote control unit. And a means for driving the motor based on the control signal.
[0032]
In the video monitor electric switchgear according to the present invention having the above-described configuration, the motor is driven by the drive control unit based on input information from a manual operation switch panel or a control signal transmitted from a wireless remote control unit.
[0033]
DETAILED DESCRIPTION OF THE INVENTION
Hereinafter, an embodiment of the present invention will be described with reference to the drawings.
[0034]
FIG. 1 is a perspective view of the video monitor electric switchgear according to the first embodiment of the present invention viewed obliquely from above and rearward, and FIG. 2 is a perspective view of the video monitor electric switchgear according to the first embodiment of the present invention viewed diagonally from below rear. FIG. 3 and FIG. 3 are front views when the video monitor unit is in a vertical position in the first embodiment of the present invention. 1, 2, and 3 show a state in which the video monitor unit is opened and exposed so as to be perpendicular to the upper surface of the housing.
[0035]
In the present embodiment, a device that electrically opens and closes a rectangular flat-plate image monitor unit having a 15-inch screen will be described as an example.
[0036]
In the figure, reference numeral 1 denotes a video monitor electric opening and closing device, which includes a substantially rectangular parallelepiped housing 11 whose front and bottom surfaces are open and a video monitor unit 2 supported by the frame 3, and a video monitor unit supported by the frame 3. 2 is supported by the casing 11 by frame locking portions 33A and 33B provided at the upper ends of both sides of the frame 3 and support arms 13A and 13B. In the present embodiment, the casing 11, the frame 3, and the support arms 13A and 13B are formed using steel in order to provide strength. In this embodiment, the frame locking portions 33A and 33B are formed by rollers and washers.
[0037]
The casing 11 has a rectangular upper surface 11a having a predetermined width, and first and second side surfaces 11b and 11c that are connected to the side of the upper surface 11a and intersect at right angles to the upper surface 11a and face each other in parallel. A back surface 11d is connected to the top surface 11a and intersects the upper surface 11a at a right angle and is adjacent to the first and second side surfaces 11b and 11c.
[0038]
A first rail groove 210 serving as a first sliding path is provided in each of the first and second side surfaces 11b and 11c. As shown in FIG. 4, the first rail groove 210 extends parallel to the upper surface 11a, the length between the rear end 211 and the front end 212 is set to L11, and the front end portion is away from the upper surface 11a. And has a first notch 213 curved toward the upper surface 11a at the bending point, and a second notch 214 curved toward the side away from the upper surface 11a at the front end. Here, the 1st notch part 213 and the 2nd notch part 214 are for fixing two arm latching | locking parts 131 and 132 mentioned later.
[0039]
Moreover, the 2nd rail groove | channel 220 used as a 2nd sliding path is provided in each of the 1st and 2nd side surfaces 11b and 11c. As shown in FIG. 4, the second rail groove 220 is provided between the first rail groove 210 and the upper surface 11 a, extends parallel to the upper surface 11 a, and has a rear end 221 at the center of the first rail groove 210. The distance between the rear end 221 and the front end 222 is set to L21 longer than the length L11 of the first rail groove 210, and a curved portion 223 that is curved in a direction away from the upper surface 11a is formed at the center. Has been.
[0040]
Further, a notch groove 11f is formed in the front part of each of the first and second side faces 11b and 11c.
[0041]
In the present embodiment, as shown in FIG. 4, the length L11 of the first rail groove 210 is 116 mm, the length L21 from the rear end 211 to the bending point of the first rail groove 210 is 93 mm, and the front end from the bending point is 93 mm. The length L13 up to 212 is set to 23 mm. The length L21 of the second rail groove 220 is 240 mm, the distance L22 from the rear end 221 to the rear part of the curved part 213 is 95 mm, the distance L23 from the rear part to the front part of the curved part 223 is 80 mm, and the front of the curved part 223 The distance L24 from the part to the front end 222 is set to 65 mm. Further, the distance L3 between the rear end 211 of the first rail groove 210 and the rear end 221 of the second rail groove 220 is set to 44 mm, and the distance between the first rail groove 210 and the second rail groove 220 is set. L4 is set to 7 mm.
[0042]
On the other hand, four mounting holes 11e are formed in the upper surface 11a of the housing 11, and a reduction motor 112, a first pulley 113, a second pulley 115, a third pulley 116, and First to third detection switches 117a to 117c are provided. Further, the first to third pulleys 113, 115, 116 are arranged on a straight line extending in the front-rear direction, and an annular steel wire 114 is provided so as to reach each of the pulleys 113, 115, 116. As the pulley 113 rotates, the steel wire 114 slides.
[0043]
The second pulley 115 is provided so as to absorb the slack of the steel wire 114. The third pulley 116 is provided at a position that is a predetermined distance away from the video monitor unit 2 when the video monitor unit 2 is in a position perpendicular to the upper surface of the housing 11.
[0044]
Each of the first to third detection switches 117a to 117c includes, for example, a micro switch, and the first detection switch 117a is an upper portion of the frame 3 in a state where the video monitor unit 2 is completely accommodated in the housing 11. The first detection switch 117a can detect that the video monitor unit 2 is completely accommodated in the housing 11. The second detection switch 117b is disposed at a position corresponding to the upper part of the frame 3 in a state where the video monitor unit 2 is perpendicular to the upper surface 11a of the housing 11, and the video monitor unit 2 is disposed on the upper surface 11a of the housing 11. It can be detected by the second detection switch 117b that it is perpendicular to. Further, the second detection switch 117b is arranged at a position corresponding to the upper part of the frame 3 in a state where the upper part of the frame 3 is closest to the third pulley 116, and the upper part of the frame 3 is closest to the third pulley 116. The third detection switch 117b can detect that the monitor unit 2 is tilted to the maximum angle.
[0045]
First and second fulcrum members 31A and 31B are fixed to the back sides of the center portions of both side portions 3a and 3b of the frame 3, and fulcrum locking portions 32 are respectively attached to the first and second fulcrum members 31A and 31B. Thus, one end portions of the first and second support arms 13A, 13B are rotatably locked.
[0046]
Further, the other end portions of the first and second support arms 13A and 13B are engaged with the first rail groove 210 provided on the first side surface from the inside of the housing 11 and along the first rail groove 210. The two arm locking portions 131 and 132 that slide are provided at predetermined intervals in the length direction. These arm locking portions 131 and 132 are formed by rollers and washers. In this embodiment, the length of the support arms 13A and 13B is 150 mm.
[0047]
A fixing member 35 is provided on the upper surface 3 c of the frame 3, and this fixing member 35 is fixedly connected to a predetermined position of the steel wire 114.
[0048]
Further, a projection 34 is provided at the lower end of both side portions 3a and 3b of the frame 3, and when the video monitor unit 2 is completely accommodated in the housing 11, the projection 34 is guided into the notch 11f. The protrusion 34 is supported by the notch 11f.
[0049]
The control unit 4 and the connector 5 are provided on the back surface 11d of the housing 11, and the operation panel 403a of the control unit 4 is exposed on the back surface 11d.
[0050]
FIG. 5 is a block diagram showing an electric circuit including the control unit 4. In the figure, reference numeral 4 denotes a control unit comprising a motor drive circuit 401, a control CPU 402, a manual operation unit 403, a remote control reception unit 404, and a power supply unit 405.
[0051]
The motor drive circuit 401 is supplied with drive power from the power supply unit 405 and drives the reduction motor 112 based on a control signal from the control CPU 402.
[0052]
The control CPU 402 receives supply of driving power from the power supply unit 405 and operates based on a preset program. The control CPU 402 receives an instruction signal input from the manual operation unit 403, an instruction signal input from the remote control reception unit 404, and Based on detection signals from the first to third detection switches 117a to 117c, a drive control signal is output to the motor drive circuit 401.
[0053]
The manual operation unit 403 includes the operation panel 403a and outputs an instruction signal based on the switch operation of the operation panel 403a to the control CPU 402.
[0054]
The remote control reception unit 404 receives the instruction signal input wirelessly from the remote control unit 6 and outputs the received instruction signal to the control CPU 402.
[0055]
The power supply unit 405 receives a DC main power supply and a sub power supply (power supply-, control power supply +, backup power supply +) from the outside, and supplies power necessary for circuit drive to the motor drive circuit 401, the control CPU 402, and the remote control reception unit 404. , Supplied to the video monitor unit 2.
[0056]
In addition, a video signal is input to the video monitor unit 2 from the outside via the connector 5.
[0057]
The remote control unit 6 includes a switch and a battery equivalent to the switches included in the operation panel 403a, and wirelessly transmits signals input by these switches as instruction signals.
[0058]
Next, the operation of the video monitor electric switchgear 1 according to the present embodiment having the above-described configuration will be described with reference to FIGS.
[0059]
A command input from the remote control unit 6 or the direct manual operation panel 403 a is processed by the control CPU 402 and sent from the motor drive circuit 401 to the reduction motor 112. For example, when an opening command is input from the remote control unit 6 or the direct manual operation panel 403a, a signal is sent from the control CPU 402 to the motor drive circuit 401, the reduction motor 112 rotates and the first pulley 113 rotates. Power is transmitted to the steel wire 114.
[0060]
Since the fixing member 35 fixed to the steel wire 114 is fixed to the frame 3 indicating the video monitor unit 2, the video monitor unit 2 has the rollers of the frame locking portions 33 </ b> A and 33 </ b> B along the second rail groove 220. Move while rotating. When it eventually moves to the position of the second detection switch 117b, a signal is sent from the second detection switch 117b to the control CPU 402, a stop signal is sent from the control CPU 402 to the motor drive circuit 401, and the reduction motor 112 stops on the spot. . At this time, the video monitor unit 2 is also fixed at that position.
[0061]
That is, when the video monitor unit 2 placed horizontally at the time of accommodation is moved in the direction in which the video monitor unit 2 is opened by the support arms 13A and 13B supporting the angle, the position of the fixed fulcrum locking unit 32 is fixed to the frame. Since it is located below the parts 33A and 33B, it operates as a fulcrum of the video monitor unit 2, and the second detection switch 117b is mounted at a position where the video monitor unit 2 is vertical, and moves to a vertical position when the The 2 detection switch 117b operates to send a stop signal to the control CPU 402, and the speed reduction motor 112 stops. Therefore, the video monitor unit 2 is fixed at a vertical position without moving beyond the position where the second detection switch 117b is operated.
[0062]
Further, when an instruction signal for changing the angle is sent from the remote control unit 6 or the direct manual operation panel 403a to the control CPU 402, a drive control signal is sent from the control CPU 402 to the motor drive circuit 401, and the reduction motor 112 rotates, The video monitor unit 2 starts to move along the second rail groove 220 via the frame locking portions 33A and 33B.
[0063]
When the video monitor unit 2 starts to move, the support arms 13A and 13B that support the angle are fixed to the video monitor unit 2 by the fulcrum locking portions 31A and 31B, so the support arms 13A and 13B that support the angle are fixed. It does not move beyond the length, but only the upper part of the video monitor unit 2 where the fixing member 35 is fixed to the steel wire 114. Therefore, the angle can be changed. If the angle movement is continued, the third detection switch 117c operates to send a signal to the control CPU 402, a stop signal is sent from the control CPU 402 to the motor drive circuit 401, the deceleration motor 112 stops, and the angle of the video monitor unit 2 is moved. Stops.
[0064]
Further, when support for designating an arbitrary angle is input from the remote control unit 6 or the direct manual operation panel 403a and an angle adjustment signal is sent to the control CPU 402, the angle adjustment signal is sent from the control CPU 402 to the motor drive circuit 401, When the angle adjustment signal stops, the deceleration motor 112 stops. The video monitor unit 2 also stops while maintaining the angle.
[0065]
When an accommodation command is input from the remote control unit 6 or the direct manual operation panel 403a and the control CPU 110 receives this accommodation command, a signal for reverse motor rotation is sent from the control CPU 402 to the motor drive circuit 401. Start reverse rotation. In this case, the signals from the third and second detection switches 117c and 117b in the middle are ignored, and the reverse rotation is continued and moved in the accommodation direction. During this movement, the rollers of the arm locking portions 131 and 132 of the support arms 13A and 13B that support the angle are fixed to the notch portions 213 and 214, so that only the upper portion of the video monitor portion 2 is moved in the accommodation direction. Thus, the video monitor unit 2 changes from vertical to horizontal and continues to move. When the housing is completed, the first detection switch 117a for position detection is operated to send a signal to the control CPU 402, a stop signal is sent from the control CPU 402 to the motor drive circuit 401, the deceleration motor 112 is stopped, and the video monitor 2 The movement is stopped and the accommodation is completed.
[0066]
Also, the rollers of the arm locking portions 131 and 132 of the support arms 13A and 13B that support the angle of the video monitor unit 2 when the video monitor unit 2 changes from a vertical state to a horizontal state and is housed in the housing 11. The video monitor unit 2 moves while being gradually leveled in the accommodation direction until the fulcrum of the screen is removed. Eventually, when the fulcrums of the rollers of the arm locking portions 131 and 132 of the support arms 13A and 13B that support the angle of the video monitor unit 2 are detached from the notches 213 and 214, the support arms 13A and 13B and the video monitor unit 2 that support the angle. Move together to complete containment.
[0067]
Moreover, the 2nd pulley 115 for absorbing the slack of the steel wire 114 operate | moves in any state, and the steel wire 114 is always tensioned up. The steel wire 114 is wound around a first pulley 113 for moving the steel wire 114. Furthermore, since the reduction motor 112 is structurally decelerated by a gear inside, the final shaft as the axis of the first pulley 113 is difficult to rotate by the external rotational force. Therefore, the first pulley 113 for hooking the steel wire 114 attached to the final shaft is also difficult to rotate. Further, the steel wire 114 is made of many thin wires. Since such a steel wire 114 is used, the sliding of the steel wire 114 can be suppressed as much as possible, so that the position of the image monitor 2 does not change due to the steel wire 114 sliding and moving.
[0068]
In order to change the position of the image monitor unit 2 from the horizontal direction to the vertical direction, the support arms 13A and 13B that support the angle and the rollers of the fulcrum locking unit 32 rotate, along the first rail groove 210 and the second rail groove 220. When the rollers of the arm locking portions 131 and 132 and the rollers of the frame locking portions 33A and 33B move, the rollers of the arm locking portions 131 and 132 eventually reach the final point (front end 212) of the first rail groove 210. The video monitor unit 2 is fixed by the support arms 13A and 13B that support the angle and the fulcrum locking unit 32, and the support arms 13A and 13B that further support the angle are limited in length. Begins to fall vertically. At the final point (front end 212), notch portions 213 and 214 for supporting the monitor provided in the first rail groove 210 are formed, and the arm locks of the support arms 13A and 13B are formed in the notch portions 213 and 214, respectively. The rollers of the parts 131 and 132 are inserted and fixed. Therefore, the video monitor unit 2 is fixed by providing support for the artificial force and inertial force applied to the video monitor unit 2 from the outside.
[0069]
The shape of the first rail groove 210 for moving the arm locking portions 131 and 132 of the support arms 13A and 13B that support the angle of the video monitor unit 2 is the first side surface of the housing 11 as shown in FIG. Notch portions 213 and 214 provided at the final point (front end 212) of the rail groove 210 and notches that can fix and release the rollers of the arm locking portions 131 and 132 to the notch portions 213 and 214 The shape has portions 213 and 214.
[0070]
The support arms 13A and 13B that support the angle of the video monitor unit 2 include three rollers provided on the arm locking units 131 and 132 and the fulcrum locking unit 32, and the rollers of the fulcrum locking unit 32 are video. When the video monitor unit 2 changes to a vertical state, the first members of the side surfaces 11b and 11c of the housing 11 are fixed to the support members 31A and 31B fixed to the frame 3 that supports the monitor unit 2 so as to be rotatable. The roller of the arm locking part 131 is fixed to the notch 213 provided at the final point (front end 212) of the rail groove 210, and the roller of the arm locking part 132 is fixed to the notch 214 for releasing the fixing. When the video monitor unit 2 opens in a vertical state and is open, it supports the external pressure.
[0071]
When the video monitor unit 2 is accommodated, the roller of the arm locking unit 132 moves upward with the roller of the arm locking unit 131 serving as a fulcrum when the video monitoring unit 2 changes to a horizontal state. When the roller of the arm locking portion 132 hits the uppermost portion of the cutout portion 214, the roller of the arm locking portion 132 becomes a fulcrum, so that the roller of the arm locking portion 131 falls down and comes off from the cutout portion 213. The support arms 13 </ b> A and 13 </ b> B move along the first rail groove 210 together with the video monitor unit 2 in the direction of being accommodated in the housing 11.
[0072]
In addition, by using the third pulley 116 for reciprocating the steel wire 114, the distance moved can be halved compared to when using a gear or a rotating screw. Can be shortened.
[0073]
Further, in addition to manually inputting a movement command from the operation panel 403a, the video control unit 2 can be moved using the remote control unit 6, so that it can be easily operated from a place away from the apparatus 1. be able to.
[0074]
Accordingly, when the apparatus 1 is installed in a place where the video monitor unit 2 is required and the video monitor unit 2 is accommodated in the housing 11 when the video is not viewed, the space does not become an obstacle when it is necessary. Only the video monitor unit 2 can be used. For example, when the apparatus 1 is attached to the ceiling, it does not become an obstacle for walking people, and if it is built on a desk, it can be used as a flat desk when not in use.
[0075]
The device 1 has functions such as opening, closing, and changing the angle of the video monitor unit 2. For example, when the viewing angle of the video monitor unit 2 does not match the viewing side, the video monitor unit 2. Can be easily adjusted.
[0076]
In addition, for example, when the video monitor is open, the horizontal force is artificially applied to the video monitor unit 2, or the inertial force generated when the vehicle is started or stopped when attached to the vehicle or the like is high. Durability can be obtained.
[0077]
Further, by operating from the outside, the video monitor unit 2 can be repeatedly opened and closed and arbitrary angle adjustment is performed.
[0078]
Further, it is possible to automatically detect the opening position and the accommodation completion position based on the input information, and stop the video monitor unit 2 at each position.
[0079]
The configuration of the above embodiment is a specific example of the present invention, and the present invention is not limited to the above configuration.
[0080]
For example, as in the second embodiment shown in FIG. 10, instead of the first to third pulleys 113, 115, 116 and the steel wire 114, the ball screw 118 rotated by the speed reduction motor 112 and the ball screw 118 are slid along the ball screw 118. A moving sliding member 119 may be used, and the sliding member 119 may be pivotally connected to the fixed member 35 to move the upper part of the video monitor unit 2.
[0081]
Moreover, in the said embodiment, although the 2nd rail groove | channel 220 (2nd sliding path) was provided in the side surfaces 11b and 11c, you may provide in the upper surface 11a.
[0082]
A stepping motor may be used in place of the reduction motor 112.
[0083]
Further, for example, in the above embodiment, the video monitor unit 2 is mounted with the upper surface 11a of the housing 11 as the upper side, but the upper surface 11a of the housing 11 can be attached to a vertical wall or the like by changing the mounting state of the video monitor unit 2. You may do it.
[0084]
【The invention's effect】
As described above, according to the video monitor electric switchgear of the present invention, for example, a ceiling or wall of a vehicle such as a sightseeing bus, a shuttle bus airplane, a train, a ceiling, a wall of a building such as a hospital, an inn, a living room or a bedroom of a house. It can be installed and used to display various information.
[0085]
Also, when necessary, the video monitor is opened, and when it is not necessary, it is stored on the ceiling or wall, so that it does not hinder human movement and does not detract from the beauty.
[0086]
Further, even when a large video monitor unit is used, it is possible to obtain high durability against inertia force and artificial force before and after being applied to the video monitor unit when the video monitor unit is open.
[0087]
Furthermore, since the angle of the image monitor unit can be easily adjusted for the image viewing side, an excellent effect is achieved in that the image can be viewed at a favorable angle.
[Brief description of the drawings]
FIG. 1 is a perspective view of a video monitor electric switchgear according to a first embodiment of the present invention as viewed obliquely from above and behind.
FIG. 2 is a perspective view of the video monitor electric switchgear according to the first embodiment of the present invention as viewed obliquely from the lower rear.
FIG. 3 is a front view when the video monitor unit is in a vertical position in the first embodiment of the present invention.
FIG. 4 is a diagram showing the shape of a rail groove in the first embodiment of the present invention.
FIG. 5 is a block diagram showing an electric circuit in the first embodiment of the present invention.
FIG. 6 is a diagram for explaining the operation of the video monitor electric switchgear according to the first embodiment of the present invention;
FIG. 7 is a diagram for explaining the operation of the video monitor electric switchgear according to the first embodiment of the present invention;
FIG. 8 is a diagram for explaining the operation of the video monitor electric switchgear according to the first embodiment of the present invention;
FIG. 9 is a diagram for explaining the operation of the video monitor electric switchgear according to the first embodiment of the present invention;
FIG. 10 is a perspective view of a video monitor electric switchgear according to a second embodiment of the present invention as viewed obliquely from the lower rear.
[Explanation of symbols]
DESCRIPTION OF SYMBOLS 1 ... Video monitor electric switchgear, 2 ... Video monitor part, 3 ... Frame, 4 ... Control part, 5 ... Connector, 6 ... Remote control part, 11 ... Housing, 11a ... Housing upper surface, 11b, 11c ... Housing Side surface, 11d ... rear surface of housing, 11e ... mounting hole, 11f ... notch, 13A, 13B ... support arm, 31A, 31B ... fulcrum member, 32 ... support member, 33A, 33B ... frame locking part, 34 ... projection 35 ... fixing member, 112 ... deceleration motor, 113 ... first pulley, 114 ... steel wire, 115 ... second pulley, 116 ... third pulley, 117a ... first detection switch, 117b ... second detection switch, 117c ... 3rd detection switch, 118 ... ball screw, 119 ... sliding member, 131,132 ... arm locking part, 210 ... first rail groove, 211 ... rear end, 2 DESCRIPTION OF SYMBOLS 2 ... Front end, 213, 214 ... Notch part, 220 ... 2nd rail groove, 221 ... Rear end, 222 ... Front end, 223 ... Curve part, 401 ... Motor drive circuit, 402 ... Control CPU, 403 ... Manual operation part, 403a ... Operation panel, 404 ... Remote control receiver, 405 ... Power supply.

Claims (9)

A rectangular plate-shaped video monitor,
A housing for housing the monitor unit;
A first sliding path provided on each of both sides of the casing and having a predetermined length extending in the front-rear direction of the casing;
A second sliding path provided on each side of the casing and having a predetermined length extending in the front-rear direction of the casing;
A frame provided on an outer periphery of the video monitor unit and supporting the video monitor unit;
First and second fulcrum members fixed to respective central portions of both sides of the frame;
First and second frame members provided at respective upper ends of both side portions of the frame, which are engaged with the second sliding path from the inside of the housing and slide along the second sliding path. Stop and
A fulcrum locking portion having a predetermined length and rotatably locked to the first fulcrum member is provided at one end, and is locked to one of the first sliding paths and A first support arm having at its other end an arm locking portion that slides along one sliding path;
A fulcrum locking portion having a predetermined length and rotatably locked with respect to the second fulcrum member is provided at one end portion, and is locked with the other first sliding path to A second support arm having an arm locking portion that slides along one sliding path at the other end;
A motor fixed inside the housing;
Moving means for moving the upper end of the monitor unit in parallel with the side surface of the housing as the motor rotates;
A video monitor electric switchgear comprising drive control means for controlling the drive of the motor. The housing includes an upper surface, first and second side surfaces that are coupled to the sides of the upper surface and face each other, and a rear surface that is coupled to the upper surface and is adjacent to the first and second side surfaces. ,
The first sliding path and the second sliding path are provided on each of the first and second side surfaces, and
The first sliding path has a predetermined length extending in parallel to the upper surface, and a front end portion is bent in a direction away from the upper surface and is bent toward the upper surface at a bending point. Having a notch, and having a second notch that is curved on the side away from the upper surface at the front end,
The second sliding path is provided between the first sliding path and the upper surface in each of the first and second side surfaces, extends parallel to the upper surface, and has a rear end portion and a front end portion. Is set to be longer than the length of the first sliding path, and the center portion is curved in a direction away from the upper surface,
The first and second support arms include a first arm engaging portion disposed at the other end portion and a second arm engaging member provided at a predetermined distance from the first arm engaging portion toward the one end portion. The video monitor electric switchgear according to claim 1, further comprising a stop portion. The moving means is
A first pulley rotated by the motor;
A second pulley fixed to the center in the front-rear direction inside the upper surface of the housing;
A third pulley fixed to the front part in the front-rear direction inside the upper surface of the housing;
An annular wire that is applied to the first to third pulleys and slides as the first pulley rotates.
The video monitor electric switchgear according to claim 1, further comprising a fixing member that fixes an upper portion of the frame to a predetermined position of the annular wire. The third pulley is provided at a position that is a predetermined distance away from the video monitor unit when the video monitor unit is in a position perpendicular to the upper surface of the housing.
When the front end of the second sliding path is at a position that is a predetermined distance away from the video monitor unit when the video monitor unit is in a position perpendicular to the upper surface of the housing, The video monitor electric switchgear according to claim 3, wherein the length of the two sliding paths is set. The moving means is
A ball screw rotated by the motor;
A sliding body that moves along the ball screw as the ball screw rotates;
The video monitor electric opening and closing device according to claim 1, comprising a connecting member that connects the sliding body and an upper portion of the frame. Means for detecting that the video monitor unit is in a position parallel to and vertical to the upper surface of the housing;
Means for stopping driving of the motor when it is detected that the video monitor unit is in a position parallel to the upper surface of the housing;
6. The apparatus according to claim 1, further comprising means for stopping driving of the motor when it is detected that the video monitor unit is in a position perpendicular to the upper surface of the housing. The video monitor electric switchgear according to claim 1. Means for detecting that the upper part of the frame is closest to the front end of the casing; and driving the motor when the detection means detects that the upper part of the frame is closest to the front end of the casing. The video monitor electric switchgear according to claim 1, further comprising means for stopping. The video monitor electric switching device according to any one of claims 1 to 7, wherein the screen of the video monitor unit has a size of 10 inches or more. The drive control means receives the control signal transmitted from the wireless remote control unit based on input information from the manual operation switch panel, and drives the motor based on the control signal. The video monitor electric switchgear according to any one of claims 1 to 8, further comprising:

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