JP2008189227A - Monitor attachment/detachment mechanism - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a monitor attachment/detachment mechanism which is capable of attaching a monitor on a monitor supporting stay through one-touch operation, and considerably easily detaching the monitor while being unnecessary for any screw or tool or any operation. <P>SOLUTION: In an attaching plate 4 fixed to any one of a monitor and a monitor supporting stay and a locking plate 5 fixed to the other thereof, an upper locking hole 8 of the attaching plate is engaged with a locking claw 10 of the locking plate, the attaching plate is supported and turned by the locking plate. When the attaching plate overlaps the locking plate, the position of the locking member 11 is matched with the position of a lower locking hole 9 of the attaching plate, the locking member is advanced by the energy (the repulsive force) of a spring 12 and enters the lower locking hole to lock the attaching plate to the locking plate. <P>COPYRIGHT: (C)2008,JPO&INPIT

Description

  The present invention relates to an attachment / detachment mechanism for attaching a monitor, for example, a liquid crystal monitor to a monitor support base, and particularly to an attachment / detachment mechanism for a monitor that can be attached to and detached from the monitor support base with one touch.

Conventionally, a monitor is attached to a monitor support base with screws. This screwing is performed between the back of the monitor housing and the monitor support.
In addition, a mounting plate having a slit hole is provided on the back surface of the monitor housing. A hook knob for the monitor support base is inserted into this mounting plate, and a rotary knob that moves forward and backward by screwing on the screw shaft and rotating. There has also been proposed an attachment device that rotates and clamps the attachment plate with a hook plate and attaches the monitor to the monitor support base (see, for example, Patent Document 1).
JP-A-8-312885

  The conventional method of attaching the monitor to the monitor support base by screwing takes time to attach and detach because it is fixed by screwing. Therefore, it is necessary to lay the monitor and the monitor support side on the side, and there is a problem that the operation is troublesome and the workability is poor. Moreover, since it is screwed, a mounting screw is necessary, and there is a risk of dropping and losing it. Furthermore, an installation tool such as a screwdriver is required, and an extra effort is required to arrange or find the tool.

  In addition, the device that attaches the hook plate of the monitor support base to the mounting plate and rotates the rotary knob to clamp the mounting plate with the hook plate solves the problem of mounting by screwing, but this also rotates In addition to the need to operate the knob and the rotary knob located between the back of the monitor's housing and the monitor support base, there is a problem that it is difficult to operate, and the hook plate is inserted into a mounting plate having a slit hole. Since the hook plate is provided at the tip of the screw shaft, the monitor is supported by the hook plate and the screw shaft, and is small and light in weight like a liquid crystal monitor such as an automobile. Things can be trusted, but large and heavy monitors such as monitors used at work and at home have a problem of lack of support reliability.

  The present invention has been proposed to solve such a problem. The purpose of the present invention is to eliminate the need for screws and tools and operation, and the monitor can be attached to the monitor support base with one touch. It is to provide a monitor attaching / detaching mechanism that can be operated very easily.

In order to solve the above-described problems, a monitor attaching / detaching mechanism according to the present invention includes a mounting plate fixed to one of a monitor and a monitor support base, and a locking plate fixed to the other. A monitor attaching / detaching mechanism for detachably attaching the monitor to the monitor support base by making it detachable,
The mounting plate is provided with projecting pieces standing upright from the plate surface in a lateral direction substantially parallel to the upper and lower parts, and upper locking holes in the upper and lower projecting pieces and upper projecting holes in the lower projecting piece. A lower locking hole is provided,
The locking plate has a locking claw protruding upward at a position corresponding to the upper locking hole of the mounting plate at the upper end, and the upper locking hole of the mounting plate is positioned at the lower part of the locking plate. A locking member that engages and supports the locking claw of the mounting plate and rotates to enter and lock the lower locking hole of the mounting plate with the spring force when the mounting plate and the locking plate overlap each other. Is provided so as to be freely movable back and forth.

  As a result, the upper locking hole of the mounting plate is engaged with the locking claw of the locking plate, the mounting plate is supported by the locking plate and rotated. When the mounting plate and the locking plate overlap, the lock member and the mounting plate are attached. Since the position of the lower locking hole of the plate matches, the lock member advances by the urging force (elastic force) of the spring, enters the lower locking hole, and locks the mounting plate to the locking plate. Therefore, the monitor can be attached to the monitor support base with one touch, and when it is removed, the lock member can be moved against the biasing force of the spring to release the lock.

Further, the lock member of the monitor attaching / detaching mechanism of the present invention is a lock / release mechanism for moving the lock member forward and backward to enter and exit the lower engaging hole of the mounting plate, and locking and releasing the mounting plate to the engaging plate. Is provided.
As a result, locking and unlocking of the mounting plate by the locking member of the locking plate can be performed by operating the lock / release mechanism.

Further, the lock / release mechanism of the monitor attaching / detaching mechanism of the present invention is provided such that a locking member is urged in a locking direction by a spring in a locking direction on a locking plate, and a sliding member is connected to the locking member. The slide member moves forward into the lower locking hole of the mounting plate and locks by sliding in the forward direction, and slides in the reverse direction to move out of the lower locking hole of the mounting plate and unlock.
As a result, the locking member 11 can be locked and unlocked with the locking plate of the mounting plate by sliding in the forward and reverse directions of the sliding member.

Further, the slide member of the monitor attaching / detaching mechanism of the present invention includes a spring for urging the slide member in a direction in which the lock member is locked, and the slide member is locked at the unlocked position, and the monitor is detached from the monitor support. A stopper mechanism that is unlocked when detached is provided.
As a result, when the monitor is detached from the monitor support base, the locking member is released from the stopper member that has locked the sliding member, and the sliding member is returned to the position where the locking member is locked by the urging force (elastic force) of the spring. It is. Therefore, the next time the monitor is attached to the monitor support base, it is attached without being locked with the slide member, so that it is always attached with one touch. The slide member only needs to be operated when unlocked.

The monitor attaching / detaching mechanism of the present invention has the following effects.
(1) In the mounting plate fixed to one of the monitor and the monitor support base and the locking plate fixed to the other, the upper locking hole of the mounting plate is engaged with the locking claw of the locking plate When the mounting plate is supported by the locking plate and rotated so that the mounting plate and the locking plate overlap each other, the position of the locking member and the lower locking hole of the mounting plate match, so that the locking member is biased by the spring. Advances with (elastic force), enters the lower locking hole, and locks the mounting plate to the locking plate. Therefore, the monitor can be attached to the monitor support base with one touch, and when it is removed, the lock member can be moved against the biasing force of the spring to release the lock. Thus, according to the monitor attaching / detaching mechanism of the present invention, the monitor can be easily attached to the monitor support base, and the monitor can be easily detached from the support base.

  (2) Since the mounting plate and the locking plate can be locked and unlocked, that is, the monitor and the monitor support base can be locked and unlocked only by the sliding operation of the slide member, the operation becomes easy and can be easily attached and detached. Can do.

  (3) When the monitor is detached from the monitor support base, the slide member is disengaged from the stopper member and returned to the position where the lock member is locked by the urging force (elastic force) of the spring. When the monitor is attached to the monitor support base, the monitor is attached to the monitor support base without being locked with the slide member. Therefore, it can always be attached with one touch. The slide member may be operated only when unlocking.

  Hereinafter, embodiments of the present invention will be described in detail with reference to the drawings. FIG. 1 is an overall perspective view showing an embodiment of the present invention, FIG. 2 is a perspective view of a state in which a monitor showing the embodiment of the present invention is removed from a monitor support base, and FIG. 3 is an embodiment of the present invention. 4 is an exploded perspective view of the attaching / detaching mechanism portion showing the form, FIG. 4 is a perspective view of the attaching / detaching mechanism portion showing the embodiment of the present invention when locked, FIG. 5 is a sectional view taken along the line AA in FIG. The perspective view at the time of lock release of the attachment / detachment mechanism part which shows embodiment of invention, FIG. 7 is sectional drawing of FIG. 6B-B, FIG. 8 shows the effect | action of the attachment / detachment mechanism which shows embodiment of this invention in order of operation ( FIGS. 9A and 9B are explanatory plan views shown in FIGS. 9A, 9B, and 9C, and FIGS.

  In the monitor attaching / detaching mechanism 1 of the present invention, as shown in FIGS. 1 and 2, either the monitor 2 or the monitor support base 3 has a mounting plate 4 fixed on one side and a locking plate 5 fixed on the other side. Then, the monitor 2 is detachably attached to the monitor support 3 by making the attachment plate 4 detachable from the locking plate 5. In the following, only the attaching / detaching mechanism 1 part of the monitor will be described, but in practice, the mounting plate 4 is fixedly provided on either the monitor 2 or the monitor support base 3, and the locking plate 5 is fixedly provided on the other. It is what has been. In this embodiment, the attachment plate 4 is fixed to the monitor 2 and the locking plate 5 is fixed to the monitor support 3.

  As shown in FIG. 3, the mounting plate 4 is formed on an upper projecting piece 6 and a lower projecting piece 7 which are erected with their upper and lower ends bent. The upper projecting piece 6 and the lower projecting piece 7 are provided in the lateral direction substantially in parallel. The upper protrusion 6 is provided with an upper locking hole 8, and the lower protrusion 7 is provided with a lower locking hole 9. Although the number of the upper locking holes 8 and the lower locking holes 9 is arbitrary, this example shows two cases.

  As shown in FIG. 3, the locking plate 5 is provided with a locking claw 10 protruding upward at a position corresponding to the upper locking hole 8 of the mounting plate 4 at the upper end. Since this locking claw 10 is a member that engages with the upper locking hole 8 of the mounting plate 4, the number is the same as the number of the upper locking hole 8. Therefore, in this example, since the upper locking holes 8 of the mounting plate 4 are two, there are also two locking claws. 6 and 8B, the upper locking hole 8 of the mounting plate 4 is engaged with and supported by the locking claw 10 of the locking plate 5 as shown in FIGS. When the mounting plate 4 and the locking plate 5 overlap each other (when the state changes from the state shown in FIG. 8B to the state shown in FIG. 9E), the elasticity of the spring 12 is inserted into the lower locking hole 9 of the mounting plate 4. A lock member 11 that enters by force and locks the mounting member is provided so as to freely advance and retract. The spring 12 biases the lock member 11 in a direction in which the lock member 11 advances toward the lower locking hole. In the lock member 11, two lock claws 11 protrude downward corresponding to the lower locking hole 9, and the lock claw 11 enters and exits the lower locking hole 9 as the lock member 11 advances and retreats.

The mounting plate 4 and the locking plate 5 are substantially rectangular, and the locking plate 5 engages and supports the upper locking holes 8 of the mounting plate 4 with the locking claws 10 of the locking plate 5 and rotates them. When the mounting plate 4 and the locking plate 5 are overlapped with each other, the size is such that the upper projecting piece 6 and the lower projecting piece 7 of the mounting plate 4 are substantially matched and fitted (see FIG. 4). .
In this embodiment, the lower end of the locking plate 5 is bent to be formed on the edge piece 13, and the lock member 11 is provided so as to be able to move forward and backward. When the stop plate 5 is overlapped, an insertion hole 14 is provided at a position corresponding to the lower locking hole 9 of the mounting plate 4, and the lock claw 11 a of the lock member 11 penetrates into the insertion hole 14 and is attached. The lower locking hole 9 of the plate 4 enters and exits. That is, as the lock member 11 advances and retreats, the lock claw 11 a enters and exits the lower locking hole 9 of the mounting plate 4 through the insertion hole 14.

8 (b), the upper locking hole 8 of the mounting plate 4 is engaged with and supported by the locking claw 10 of the locking plate 5, and is rotated. When the mounting plate 4 and the locking plate 5 overlap each other as shown in FIG. 3), the lock member 11 is advanced by the elastic force of the spring 12, and the lock claw 11 a is inserted into the lower locking hole 9 of the mounting plate 4 through the insertion hole 14. To enter and lock to lock the mounting plate 4. Therefore, since the mounting plate 4 is fixed to the monitor 2 and the locking plate 5 is fixed to the monitor support base 3, the monitor 2 can be attached to the monitor support base 3 with one touch.
That is, the upper locking hole 8 of the mounting plate 4 is engaged with the locking claw 10 of the locking plate 5 so that the mounting plate 4 is supported by the locking plate 5 and the mounting plate 4 and the locking plate 5 are overlapped. When moved, the lock claw 11 a of the lock member 11 is urged by the urging force (elastic force) of the spring 12 and has advanced to the locked position, so that the tip of the lock claw 11 a of the lock member 11 is attached to the mounting plate 4. It contacts the edge piece 13 of the lower protruding piece 7. When it is further pushed so that the mounting plate 4 and the locking plate 5 overlap each other, the lock member 11 is urged by the spring 12 so that it can move forward and backward. Abutting against the edge of the lower protrusion 7, it is pushed up against the biasing force (elastic force) of the spring 12, is pushed in along the surface of the lower protrusion 7, and finally the lock claw 11 a of the lock member 11 When the lower locking hole 9 provided in the lower projecting piece 7 of the mounting plate 4 is in a matching position, the lock member 11 is urged by the spring 12, so that the locking claw 11a enters the lower locking hole 9. The mounting plate 4 is locked to the locking plate 5. In order to release this lock, the lock member 11 may be moved out against the spring 12. 4 and 5 show the locked state of the lock member 11, and FIGS. 6 and 7 show the unlocked state.

  The monitor attaching / detaching mechanism may be provided with a lock / release mechanism for operating and locking the lock member 11 and releasing the lock.

That is, the lock member 11 is moved forward and backward to move the lock into and out of the lower locking hole 9 of the mounting plate 4 (advancing and retracting), and the mounting plate 4 is locked to the locking plate 5, A lock / release mechanism 15 for releasing the lock is provided.
In this lock / release mechanism 15, a slide member 16 is connected to the lock member 11, and the slide member 16 moves in a direction in which the lock member 11 enters the lower locking hole 9 of the mounting plate 4 by sliding in one direction. A configuration is adopted in which the lock member 11 moves in a direction of retreating from the lower locking hole 9 of the mounting plate 4 by sliding in the other direction. As a result, the lock member 11 is moved in a direction to enter the lower locking hole 9 of the mounting plate 4 by sliding in one direction (forward direction) of the slide member 16, and the lock claw 11 a is inserted through the insertion hole 14. 4 enters and locks the lower locking hole 9, locks the mounting plate 4 to the locking plate 5, and slides in the other direction (reverse direction) of the slide member 16 from the lower locking hole 9 of the mounting plate 4. It moves in the direction of leaving and can be unlocked by the lock claw 11a.

In this embodiment, a locking member 11 is provided on the locking plate 5 so as to be able to advance and retreat by being urged by a spring 12 in a locking direction (advancing direction). The locking plate 5 is provided in parallel with the edge piece 13 while maintaining a predetermined distance from the edge piece 13 at the lower end of the locking plate 5. The inclined guide rail 17 is provided to be inclined in one direction, and the interval between the inclined guide rail 17 and the edge piece 13 is gradually reduced from one side to the other side. A slide member 16 is slidably provided between the inclined guide rail 17 and the edge piece 13. Since the lock member 11 is springed by the spring 12 and can freely move forward and backward, the slide member 16 has a shape that is held to the side of the edge piece 13 by the tilted guide rail 17 by the spring force of the spring 12 and has an edge. Located between the piece 13. Accordingly, when the slide member 16 is slid and moved in the direction in which the interval between the inclined guide rail 17 and the edge piece 13 is narrowed, the lock member is moved by the amount (distance) narrowed by the inclination of the inclined guide rail 17. 11 advances by being pushed by the spring 12. In other words, the lock claw 11 a of the lock member 11 enters and locks into the lower locking hole 9 of the mounting plate 4. On the other hand, when the slide member 16 is moved in the direction in which the interval between the inclined guide rail 17 and the edge piece 13 is increased, the lock member 11 is increased by the amount (distance) increased by the inclination of the inclined guide rail 17. It moves out against the spring 12. That is, the lock claw 11 a of the lock member 11 is withdrawn from the lower locking hole 9 of the mounting plate 4 to release the lock.
Therefore, the attachment plate 4 can be locked to or released from the locking plate 5 by holding the knob 16a of the slide member 16 and sliding the slide member 16 left and right (forward and reverse). 4 and 5 show the locked state of the lock member 11, and FIGS. 6 and 7 show the unlocked state.
The slide member 16 has a trapezoidal shape, and the inclination angle of the trapezoidal slope and the inclination angle of the inclined guide rail 17 are generated by the elastic force (spring force) of the spring 12 and the inclination angle of the trapezoidal slope of the slide member 16. It is preferable to adopt a configuration in which a stationary balance is achieved in any movable range by the component force to be applied and the sliding frictional force.

  The slide member 16 is a spring that biases the slide member 16 in a position direction in which the lock member 11 is locked (in the embodiment, a position direction in which the interval between the inclined guide rail 17 and the edge piece 13 is narrow). When the slide member 16 is locked at the lock release position (the position where the gap between the inclined guide rail 17 and the edge piece 13 is wide in the above embodiment) and the monitor 2 is removed from the monitor support base 3, the lock is released. When the stopper mechanism is provided, when the monitor 2 is removed from the monitor support 3, the slide member 16 is always returned to the locked position by the biasing force of the spring. Attaching to the support base 3 is preferable because a locking operation with the slide member 16 is not required and attachment is performed with one touch.

An example of the stopper mechanism is shown in FIGS. 10A shows a state where the slide member is locked, and FIG. 10B shows a state where the lock of the slide member is released.
A stopper member 18 having an inverted U-shaped cross section is provided at the unlocking position of the slide member 16, and the stopper member 18 has a spring property. The stopper member 18 has an operation projection 18a penetrating the locking plate 5 and the mounting plate 4 and protruding from the mounting plate 4 as shown in FIG. On the other hand, the slide member 16 is provided with a stopper claw 16 b that engages with the locking recess 19 of the stopper member 18. The slide member 16 is provided with a spring 20 that urges the slide member 16 in a position direction in which the lock member 11 is locked.
Therefore, when the monitor 2 is attached, the operation projection 18a of the stopper member 18 is pushed by the monitor 2, and the stopper claw 16a of the slide member 16 is engaged with the locking recess 19 of the stopper member 18. Even if it is urged by the spring 20, the slide member 16 maintains its position (FIG. 10A).
The position of the slide member 16 at this time is a position where the lock of the lock member 11 is released.
Therefore, when the monitor 2 is removed, the pressing force applied to the operation projection 18a by the monitor 2 is released. Therefore, the stopper member 18 is restored to have springiness, and the locking recess 19 of the stopper member 18 and the stopper of the slide member 16 are restored. Since the engagement with the claw 16 a is disengaged, the slide member 16 is moved to a position where the lock member 11 is locked by the biasing force of the spring 20.

When the slide member 16 is in the locked state of the lock member 11 with the monitor 2 removed from the monitor support base 3 in this way, the lock operation with the slide member 16 becomes unnecessary. This will be described with reference to FIGS.
First, as shown in FIGS. 8A to 8B, the upper locking hole 8 of the mounting plate 4 is engaged with the locking claw 10 of the locking plate 5 so that the mounting plate 4 is supported by the locking plate 5. . When the mounting plate 4 is rotated from this state so as to overlap the locking plate 5 around the upper locking hole 8 and the locking claw 10, the locking claw 11a of the locking member 11 is moved as shown in FIG. Since it is in the locked state position, it has advanced from the insertion hole 14 of the edge piece 13 of the locking plate 5, and the lock claw 11 a of the lock member 11 contacts the edge of the lower protrusion piece 7 of the mounting plate 4. When the mounting plate 4 and the locking plate 5 are further pushed from the state shown in FIG. 8C so as to overlap each other, the lock member 11 is urged by the spring 12 so that the lock member 11 can move forward and backward. Thus, the lock member 11 is pushed up against the urging force (elastic force) of the spring 12 with the tip of the lock claw 11 a coming into contact with the edge of the lower protrusion 7 of the mounting plate 4. When the lock member 11 is pushed along the surface while being in contact with the surface, and finally the lock claw 11a of the lock member 11 and the lower locking hole 9 provided in the lower protrusion 7 of the mounting plate 4 are aligned, the lock member 11 is Since it is urged by the spring 12, the lock claw 11a enters the lower locking hole 9 through the insertion hole 14 as shown in FIGS. Lock to. Therefore, the lock operation with the slide member 16 is not necessary, and the monitor 2 is attached to the monitor support base 3 with one touch. The slide member 16 is operated only when the lock is released when the monitor 2 is removed from the monitor support 3.

  Therefore, the tip of the lock claw 11 a of the lock member 11 abuts against the edge of the lower protrusion 7 of the mounting plate 4 and is pushed up against the urging force (elastic force) of the spring 12. In order to make it easy to be pushed in while abutting along the surface, the tip of the lock claw 11a of the lock member 11 is formed on a slope as shown in FIG. 5, FIG. 7 and FIG. 8 (c). Is preferred. This facilitates the operation of the lock member 11 as shown in FIGS. 8 (c) to 9 (d).

  However, the slide member 16 is set to the release position of the lock member 11, and the upper locking hole 8 of the mounting plate 4 is engaged with the locking claw 10 of the locking plate 5 to support the mounting plate 4 on the locking plate 5. It is natural that the slide member 16 may be slid and locked by the lock member 11 after the attachment plate 4 and the locking plate 5 are overlapped with each other and rotated.

  In the figure, reference numerals 21 and 22 are holes for screwing with screws 23 and 24, so that the mounting plate 4 and the locking plate 5 are fixed between the monitor 2 and the monitor support base 3. May be.

  The above embodiment is not intended to limit the present invention, and various modifications are allowed without departing from the spirit of the present invention. For example, the lock / release mechanism 15 of the lock member 11 is provided on the back surface of the lower end of the locking plate 5, but this is not limited to this position, and may be, for example, the lower end side surface, The configuration of the lock / release mechanism 15 of the lock member 11 is not limited to the above embodiment. Further, although the spring 12 is shown as an example of a compression spring, it may be another leaf spring, a wire spring, or the like.

1 is an overall perspective view showing an embodiment of the present invention. It is a perspective view of the state which removed the monitor which shows embodiment of this invention from the monitor support stand. It is a disassembled perspective view of the attachment / detachment mechanism part which shows embodiment of this invention. It is a perspective view at the time of locking of the attachment / detachment mechanism part which shows embodiment of this invention. FIG. 4A is a sectional view taken along line AA. It is a perspective view at the time of lock release of the attachment / detachment mechanism part which shows embodiment of this invention. FIG. 6B is a sectional view taken along line B-B. It is explanatory drawing which shows the effect | action of the attachment / detachment mechanism which shows embodiment of this invention in action order (a) (b) (c). FIG. 9 is an operation explanatory diagram (d), (e), and (f) following FIG. It is explanatory top view which shows an example of a stopper mechanism, (a) shows the state which latched the slide member, (b) shows the state which canceled the latch of the slide member.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Monitor attachment / detachment mechanism 2 Monitor 3 Monitor support stand 4 Mounting plate 5 Locking plate 6 Upper protrusion 7 Lower protrusion 8 Upper locking hole 9 Lower locking hole 10 Locking claw 11 Locking member 11a Locking claw 12 Spring 13 Edge Piece 14 Insertion hole 15 Lock / release mechanism 16 Slide member 16b Stopper claw 17 Inclined guide rail 18 Stopper member 18a Operation protrusion 19 Locking recess 20 Spring

Claims (4)

With the mounting plate fixed on one of the monitor and the monitor support base and the locking plate fixed on the other, the mounting plate can be attached to and detached from the locking plate so that the monitor can be attached to and detached from the monitor support base. An attaching / detaching mechanism for a monitor to be attached,
The mounting plate is provided with projecting pieces standing upright from the plate surface in a lateral direction substantially parallel to the upper and lower parts, and upper locking holes in the upper and lower projecting pieces and upper projecting holes in the lower projecting piece. A lower locking hole is provided,
The locking plate has a locking claw protruding upward at a position corresponding to the upper locking hole of the mounting plate at the upper end, and the upper locking hole of the mounting plate is positioned at the lower part of the locking plate. A locking member that engages and supports the locking claw of the mounting plate and rotates to enter and lock the lower locking hole of the mounting plate with the spring force when the mounting plate and the locking plate overlap each other. A mechanism for attaching and detaching the monitor, wherein the detachable mechanism is provided so as to freely advance and retract.   The lock member is provided with a lock / release mechanism that moves the lock member forward and backward to enter and exit the lower locking hole of the mounting plate, and locks and releases the mounting plate to and from the locking plate. The monitor attaching / detaching mechanism according to claim 1.   The locking / releasing mechanism is provided on the locking plate so that the locking member is urged by the spring in the locking direction so that the locking member can be moved forward and backward. A sliding member is connected to the locking member, and the locking member is locked by sliding in the forward direction. 3. The monitor according to claim 2, wherein the member enters and locks into the lower locking hole of the mounting plate, and the lock member is retracted from the lower locking hole of the mounting plate by sliding in the reverse direction to release the lock. Detachable mechanism.   The slide member includes a spring that biases the slide member in a direction in which the lock member is locked, and a stopper that locks the slide member at the unlocked position and is unlocked when the monitor is removed from the monitor support base. The monitor attaching / detaching mechanism according to claim 3, wherein a mechanism is provided.

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