KR101366276B1 - Camera apparatus and display apparatus including the same - Google Patents

Abstract

The present invention relates to a camera apparatus and a display apparatus having the same, and more particularly, to a camera apparatus and a display apparatus having the same to enable various and wide views by a simple configuration.

Description

CAMERA APPARATUS AND DISPLAY APPARATUS INCLUDING THE SAME

The present invention relates to a camera apparatus and a display apparatus having the same, and more particularly, to a camera apparatus and a display apparatus having the same to enable various and wide views by a simple configuration.

In general, a display device such as a television or a monitor is equipped with a camera device to take a picture or a moving picture of the scenes in front of it in real time.

However, such a camera device has a problem that the range that can be taken is very limited and the angle adjustment according to the user's preference is impossible.

An object of the present invention is to provide a camera device and a display device having the same so that the angle can be freely adjusted according to the user's preference, and the shooting is made from a wide variety of views.

Camera device according to the present invention for achieving the above object, the camera unit; A support member for supporting the camera unit; And a two-axis moving unit provided in the camera unit and the supporting member to enable the camera unit to be rotatable in the vertical direction and the left and right directions, respectively.

The camera unit may include a camera and a cover accommodating the camera and provided with a hole so that the lens of the camera communicates with the outside.

In addition, the two-axis moving unit is provided on any one of the cover and the support member, and provided with a protrusion for point contact so as to be slidable to the other, the cover and the support member are provided on the other one, and the protrusion is moved forward and backward And a groove for guiding sliding in the direction.

The protrusion may include a first protrusion provided on the left side of any one of the cover and the support member, and a second protrusion provided on the right side of any one of the cover and the support member. And a first groove guiding the forward and backward sliding movement of the first protrusion, and a second groove guiding the forward and backward sliding movement of the second protrusion.

The protrusion may include a third protrusion provided on an upper side of any one of the cover and the support member, and a fourth protrusion provided on a lower side of any one of the cover and the support member. And a third groove guiding the forward and backward sliding movement of the third protrusion, and a fourth groove guiding the forward and backward sliding movement of the fourth protrusion.

In addition, the camera is provided between the support member, characterized in that it further comprises a holder for fixing the camera in combination with the cover.

In addition, the grooves are characterized in that it further comprises a stepped portion provided at both ends thereof to limit the sliding movement of the projections.

In addition, a step portion provided at the front end of the groove to limit the sliding movement of the front side of the protrusion, and formed by the front of the holder at the rear end of the groove, the stop portion for limiting the sliding movement of the rear side of the protrusion It further comprises.

On the other hand, the display device according to the present invention, the cabinet is formed with a mounting hole on one surface; A camera unit seated to be movable in the seating hole; A support member for supporting the camera unit; And a two-axis moving unit for allowing the camera unit to be rotatable in the vertical direction and the left and right directions, respectively.

The camera unit may include a camera and a cover accommodating the camera and provided with a hole so that the lens of the camera communicates with the outside.

In addition, the two-axis moving unit is provided in any one of the seating hole and the cover, the projection portion which is in point contact so as to be slidable to the other one, and the projection hole is provided in the other of the seating hole and the cover in the front and rear direction It characterized in that it comprises a groove for guiding sliding.

In addition, the two-axis moving unit is provided on any one of the cover and the support member, the projection portion in contact with the point so as to be slidable to the other, the cover and the support member is provided on the other one of the projection and the front and rear direction It characterized in that it comprises a groove for guiding sliding.

The protrusion may include a first protrusion provided on the left side of any one of the seating hole and the cover, and a second protrusion provided on the right side of any one of the seating hole and the cover. And a first groove guiding the forward and backward sliding movement of the first protrusion, and a second groove guiding the forward and backward sliding movement of the second protrusion.

The protrusion may include a first protrusion provided on the left side of any one of the cover and the support member, and a second protrusion provided on the right side of any one of the cover and the support member. And a first groove guiding the forward and backward sliding movement of the first protrusion, and a second groove guiding the forward and backward sliding movement of the second protrusion.

The protrusion may include a third protrusion provided at an upper side of any one of the seating hole and the cover, and a fourth protrusion provided at a lower side of any one of the seating hole and the cover. And a third groove guiding the forward and backward sliding movement of the third protrusion, and a fourth groove guiding the forward and backward sliding movement of the fourth protrusion.

In addition, the grooves are characterized in that it further comprises a stepped portion provided at both ends thereof to limit the sliding movement of the projections.

In addition, the grooves are characterized in that it further comprises a stepped portion provided at both ends thereof to limit the sliding movement of the projections.

In addition, the camera is provided between the support member, characterized in that it further comprises a holder for fixing the camera in combination with the cover.

In addition, the grooves are characterized in that it further comprises a stepped portion provided at both ends thereof to limit the sliding movement of the projections.

In addition, a step portion provided at the front end of the groove to limit the sliding movement of the front side of the protrusion, and formed by the front of the holder at the rear end of the groove, the stop portion for limiting the sliding movement of the rear side of the protrusion It further comprises.

In addition, the cover is characterized in that it further comprises a stopper provided in the rear edge portion to limit the up and down rotation or left and right rotation of the cover by engaging the cabinet in accordance with the movement of the cover.

The camera device and the display device having the same according to the present invention can allow the camera device to have a degree of freedom on two different axes by a simple structure, so that various and wide ranges of photographing are possible, and the angle can be adjusted according to the user's preference. There is an effect that can be made easily.

A camera device and a display device having the same according to the present invention will be described in detail with reference to the drawings.

A camera device and a display device according to an embodiment of the present invention will be described with reference to FIGS. 1 and 2.

1 is a view showing a camera device and a display device equipped with the same according to an embodiment of the present invention, Figure 2 is an exploded perspective view showing a camera device according to an embodiment of the present invention.

As shown in FIG. 1, a display apparatus according to an exemplary embodiment includes a display main body 100 and a supporter 300 supporting the display main body 100.

The display main body 100 includes predetermined parts embedded in the cabinet 110 and a display 120 for outputting predetermined information.

One side of the cabinet 110 is provided with a camera device 200 for taking a picture or a video recording of the scenes in front of the screen, the camera device 200 is a part of the front of the cabinet 110 to the outside of the cabinet 110 It is embedded in the cabinet 110 while being exposed.

The user may manually adjust the angle of the camera apparatus 200 by moving a portion exposed to the outside of the camera apparatus 200, or a controller (not shown) provided therein and the camera apparatus 200 may mutually In order to be connected, the user may automatically adjust the angle of the camera device 200 by manipulating a remote controller or the like.

2 illustrates the structure in which the camera device 200 is built in the cabinet 110 in more detail.

As shown in FIG. 2, in the display device according to an embodiment of the present invention, the camera device 200 is mounted to be movable in the seating hole 111 formed in the cabinet 110. A part of the front part is exposed to the outside of the cabinet 110.

The camera device 200 includes a camera unit and a support member supporting the camera unit, and the camera unit preferably includes a cover 220, a camera 210, and a holder 230.

The cover 220 is accommodated by covering the camera 210 from the front side, the rear side of the camera 210 is preferably to cover the holder 230 which is coupled to the cover 220, the holder 230 The support member 240 is preferably provided at the rear of the.

Here, the holder 230 does not necessarily need to be provided, and it is also possible to allow the support member 240 to take the role of the holder 230.

The camera 210 is preferably implemented as a digital camera, and temporarily stores image information about a subject in a predetermined storage medium, and displays the image information in real time through the display unit 120 (see FIG. 1). It is an optical device that allows shooting and the like.

The camera 210 is accommodated to be fixed to some extent in the cavity 221 provided inside the cover 220, the holder 230 and the support member 240 is coupled to the cover 220, respectively, the camera 210 Cover the rear side of the.

The cover 220 has a hole 222 (see FIG. 3) having a predetermined size formed on the front surface thereof, and a lens 211 (see FIG. 3) provided on the front surface of the camera 210 mounted on the cavity 221 therein. Communicate with the outside world.

The cover 220 and the holder 230 are preferably coupled to each other while the coupling protrusion 224 of the cover 220 and the coupling groove 232 of the holder 230 are coupled to each other. ) And the support member 240 are coupled to each other by a two-axis moving unit.

The two-axis moving unit has a camera 210 fixed to the cavity 221 of the cover 220 by allowing the cover 220 to rotate freely in the vertical direction, or the left and right directions and the cover 220 It can move freely together to allow shooting from various angles.

2 illustrates a groove 260 formed on the cover 220 as an example of the biaxial moving unit and a protrusion 250 formed on the support member 240.

The protrusion 250 may protrude in a predetermined interval inward from the support member 240, and an end portion thereof may be provided in point contact with the inner surface of the groove 260.

The groove 260 is formed long in the front and rear directions in the cover 220 and is provided by being dug to a predetermined depth. Accordingly, the protrusion 250 may be inserted into the groove 260 to slide in the front and rear directions along the groove 260 or to make relative rotation in place.

Here, the relative rotation means that the protrusion 250 is relatively rotated by rotating the cover 220 in the vertical direction instead of rotating the protrusion 250 by itself in the groove 260.

That is, the protrusion 250 serves as a central axis of vertical rotation while being coupled to the groove 260, and in fact, the groove 260 is rotated by the cover 220 rotating around the point of point contact of the protrusion 250. Move.

A detailed operation of such a two-axis moving unit will be described with reference to FIG. 3.

As shown in FIG. 3, the biaxial moving unit of the camera apparatus according to the exemplary embodiment includes a groove 260 provided in the cover 220 and a protrusion 250 provided in the support member 240. It is desirable to.

The protrusion 250 is point-contacted in the groove 260, the cover 220 may be rotated up and down around the contact point, the protrusion 250 in the front and rear direction along the groove 260. You can rotate left and right while sliding.

Here, the component 223 shown in FIGS. 2 and 3 is a stopper, and details thereof will be described with reference to FIG. 4.

4 is a cross-sectional view taken along line I-I of FIG. 3 and illustrates a case in which a camera device is mounted in the seating hole 111 of the cabinet 110. The description of the components already described herein will be omitted.

As shown in FIG. 4, the cover 220 is seated in the seating hole 111. An upper stopper 223a and a lower stopper 223b may be provided at upper and lower portions of the rear edge of the cover 220, respectively. Do.

The upper stopper 223a and the lower stopper 223b are for limiting the range of rotation of the cover 220 when the cover 220 rotates in the vertical direction. It is preferable to space the gap between the stoppers 223a and 223b and the inner surface of the cabinet 110 to some extent.

The upper stopper 223a limits the range of the rotation angle when the cover 220 rotates downward, and the lower stopper 223b limits the range of the rotation angle when the cover 220 rotates upward. Restrict

Meanwhile, the groove 260 provided on the cover 220 and the protrusion 250 provided on the support member 240 will be described in more detail with reference to FIG. 5. 5 is a cross-sectional view showing a II-II cross section of the camera device shown in FIG.

As shown in FIG. 5, the protrusion 250 is limited to a range in which the groove 260 is slidably moved. One end of the groove 260 is formed with a stepped portion 265, and the other end has a stop 231. Is formed.

The stepped portion 265 is a jaw formed in one end of the groove 260, the other end of the groove 260 is open. The stopper 231 is formed while the front surface of the holder 230 is positioned at the other open end of the groove 260.

Accordingly, the protrusion 250 restricts the sliding movement of the front side while sliding along the groove 260 in the front-rear direction, and the stopping portion 231 stops the sliding movement of the rear side.

In FIG. 5, the step 265 is provided at one end of the groove 260, and the stop part 231 is provided at the other end of the groove 260. However, the step is not limited thereto, and both steps are formed at both ends of the groove 260. It is also possible to do so.

Meanwhile, a camera apparatus according to another exemplary embodiment of the present invention will be described with reference to FIG. 6.

Here, since the matters related to the camera apparatus shown in FIGS. 3 to 5 except for the matters related to the two-axis moving unit, detailed descriptions thereof will be omitted.

As shown in FIG. 6, the two-axis moving unit of the camera device according to another embodiment of the present invention includes a first protrusion 251 and a second protrusion 252, which are provided on the left and right sides of the cover 220, respectively. And a first groove 261 and a second groove 262 provided on the support member 240.

The first protrusion 251 corresponds to the first groove 261, and the second protrusion 252 corresponds to the second groove 262.

That is, the first protrusion 251 is coupled to be slidable forward and backward while being in point contact with the first groove 261, and the second protrusion 252 is coupled to be slidable forward and backward while being in point contact with the second groove 262. do.

At each end of each of the first grooves 261 and the second grooves 262, front front jaw portions 265a and rear side jaws portions 265b are provided, respectively, so that the first projections 251 and the second projections 252 are provided. The forward and backward sliding movements of h) are restricted.

Due to this, the cover 220 may be limited to the left and right rotation by a predetermined angle to solve the problem that the cover 220 is completely turned sideways.

Restriction of the vertical rotation of the cover 220 is made by the stopper 223 and will be omitted since it has been described above.

On the other hand, with reference to Figure 7 will be described with respect to the camera apparatus according to another embodiment of the present invention.

Except for the matter of the two-axis moving unit is substantially the same as that of the camera device shown in Figs. 3 to 5, the duplicated content will be omitted.

As shown in FIG. 7, the camera device according to another embodiment of the present invention includes a third protrusion 253 provided on an upper portion of the cover 220, a fourth protrusion 254 provided on a lower portion thereof, and a support member. The third groove 263 is provided on the upper inner surface of the 240 and the fourth groove 264 provided on the lower inner surface.

The third protrusion 253 is coupled to the third groove 263 and in point contact with the inner surface thereof, and is provided to be slidable in the front-rear direction along the third groove 263. The fourth protrusion 254 also corresponds to the fourth groove 264 in the same manner.

That is, when the third protrusion 253 and the fourth protrusion 254 rotate in place while being in point contact with each other in the third groove 263 and the fourth groove 264, the cover 220 rotates in the left and right directions. When the third protrusion 253 and the fourth protrusion 254 slide in the front and rear directions in the third groove 263 and the fourth groove 264, respectively, the cover 220 rotates in the vertical direction.

In this case, the third grooves 263 and the fourth grooves 264 are formed at both ends of the stepped portions 265a and 265b, respectively, to limit the sliding movement of the third protrusion 253 and the fourth protrusion 254. It limits the range in which the cover 220 is rotated in the vertical direction.

That is, the cover 220 may solve the problem that the cover 220 is completely rotated to one side while rotating in the vertical direction.

In addition, in the embodiment illustrated in FIG. 7, stoppers 223 are provided at the left and right portions of the rear edge of the cover 220, respectively, and the cover 220 rotates in the left and right directions when seated on the cabinet 110 or the like. Limit it.

On the other hand, with reference to Figure 8 will be described with respect to the camera device according to another embodiment of the present invention.

Except for the matter of the two-axis moving unit is substantially the same as that of the camera device shown in Figs. 3 to 5, the duplicated content will be omitted.

In the embodiment illustrated in FIG. 8, the cover 220 includes a first protrusion 251, a second protrusion 252, a third protrusion 253, and a fourth protrusion 254 on the left and right portions, and on the upper and lower portions thereof, respectively. Are each provided.

The first protrusion 251, the second protrusion 252, the third protrusion 253, and the fourth protrusion 254 are respectively disposed on the left and right portions of the inner surface of the support member 240, and the upper and lower portions thereof. The first groove 261, the second groove 262, the third groove 263, and the fourth groove 264 are provided to correspond to the first groove 261.

Each of the protrusions 251, 252, 253, and 254 is in point contact with the inner surface of each of the grooves 261, 262, 263, and 264, and is coupled to be slidable.

When the cover 220 rotates in the vertical direction, the first protrusion 251 and the second protrusion 252 rotate in the first groove 261 and the second groove 262, respectively, and the third protrusion ( 253 and the fourth protrusion 254 slide the third groove 263 and the fourth groove 264, respectively.

When the cover 220 rotates in the left and right directions, the third protrusion 253 and the fourth protrusion 254 rotate in the third groove 263 and the fourth groove 264, respectively, and the first protrusion ( 251 and the second protrusion 252 slidingly move the first groove 261 and the second groove 262, respectively.

At both ends of each of the grooves 261, 262, 263, and 264, front side stepped portions 265a and rear side stepped portions 265b are provided, respectively, and the projections 251, 252, 253, and 254 each have grooves 261. 262, 263, 264 when sliding sliding the movement range is limited.

That is, the cover 220 may rotate in the up, down, left and right directions in an appropriate range without completely turning in either direction due to the stepped portions 265a and 265b.

On the other hand, with reference to Figure 9 will be described with respect to the display device is mounted camera apparatus according to another embodiment of the present invention.

As shown in FIG. 9, the camera 210 is fixed to the cavity 221 of the cover 220, and the holder 230 is fixed to the camera 220 while the holder 230 is engaged with the cover 220 at the rear side thereof.

The cover 220 (the state in which the camera 210 and the holder 230 are coupled) is seated in the seating hole 111 of the cabinet 110, wherein the two-axis moving unit is left and right of the seating hole 111. And protrusions 250 respectively provided on the portions, and grooves 260 respectively provided on the left and right portions of the cover 220.

Therefore, the protrusions 250 formed on the left and right portions of the seating holes 111 of the cabinet 110 are slidably coupled to the grooves 260 formed on the left and right portions of the cover 220.

When the cover 220 is moved up and down, the cover 220 rotates in the vertical direction about the protrusion 250 of the seating hole 111, and when the cover 220 is moved sideways, the protrusion 250 is grooved. The cover 220 rotates in the left and right directions while slidingly moving along the front and rear directions.

The stoppers 223 respectively provided on the upper and lower portions of the rear edge portion of the cover 220 shown in FIG. 9 are for limiting the vertical rotation of the cover 220 to a predetermined angle range, and the left and right sides of the cover 220 Restriction of the directional rotation is made by stepped portions or stops provided at both ends of the groove 260, respectively.

Although not shown in the drawings, the same effects can be obtained by changing the positions of the protrusions 250 and the grooves 260.

That is, by forming grooves on the left and right portions of the seating holes 111, respectively, and providing protrusions on the left and right portions of the cover 220, the same effects can be obtained. Since the operation is the same as described above, a detailed description thereof will be omitted.

On the other hand, with reference to Figure 10 will be described with respect to the display device is mounted camera apparatus according to another embodiment of the present invention.

The display device according to the embodiment shown in FIG. 10 differs from the display device shown in FIG. 9 in the two-axis moving unit, and is substantially the same as the embodiment shown in FIG. Detailed description will be omitted.

In the embodiment illustrated in FIG. 10, protrusions 250 are respectively provided on the upper and lower portions of the cover 220, and grooves 260 are provided on the upper and lower portions of the seating holes 111 of the cabinet 110, respectively.

The protrusion 250 is coupled to the groove 260 to rotate or slide to move the cover 220 can be rotated in the vertical direction.

That is, when the cover 220 is moved up and down, the protrusions 250 slide in the front-rear direction along the groove 260 and the cover 220 rotates in the vertical direction. When the cover 220 is moved laterally, the protrusions 250 are moved. The cover 220 rotates in the left and right direction about the center.

At this time, the limit of rotation in the up and down direction is made by the stepped portion or the stop portion provided respectively at both ends of the groove 260, and the limit of rotation in the left and right directions are provided at the left and right of the rear edge portion of the cover 220, respectively Is made by the stopper 223.

Although not clearly illustrated in the drawings, the same effects as described above may be obtained even when the positions of the protrusions 250 and the grooves 260 are changed.

That is, the projections are provided on the upper and lower portions of the seating hole 111 and the grooves are respectively provided on the upper and lower portions of the cover 220 to perform the same operation as described above by allowing the protrusions to rotate and slide in the grooves. It can be done.

On the other hand, with reference to Figure 11 will be described with respect to the display device is mounted camera apparatus according to another embodiment of the present invention.

The display device according to the embodiment shown in FIG. 11 is different from the display device shown in FIG. 9 or 10 in the two-axis moving unit, and other parts of the display device shown in FIG. Since it is substantially the same as an example, detailed description is abbreviate | omitted.

As shown in FIG. 11, grooves 260 are provided on the top, bottom, left, and right sides of the seating holes 111 of the cabinet 110, and protrusions 250 are respectively provided on the top, bottom, left, and right sides of the cover 220 to correspond thereto. do.

The protrusions 250 are coupled to each groove 260 so as to be rotatable and slidable. When the cover 220 is rotated up and down, the side protrusions 250 of the cover 220 are relative to each other in the groove 260. The upper and lower protrusions 250 rotate and slide forward and backward in the groove 260.

When the cover 220 rotates in the left and right directions, the side protrusions 250 of the cover 220 move forward and backward in the grooves 260, and the upper and lower protrusions 250 rotate relative to the grooves 260. Do it.

Although not clearly illustrated in the drawings, the same effects as described above may be obtained even when the positions of the protrusions 250 and the grooves 260 are changed.

That is, by providing protrusions on the upper and lower portions and the left and right portions of the seating hole 111 and grooves corresponding to the protrusions on the upper, lower and left and right portions of the cover 220, respectively, the protrusions rotate and slide in the grooves. It is possible to perform the same operation as described above.

1 is a view showing a camera device and a display device equipped with the same according to an embodiment of the present invention.

2 is an exploded perspective view showing a camera apparatus according to an embodiment of the present invention.

3 is a perspective view showing a camera apparatus according to an embodiment of the present invention.

4 is a cross-sectional view illustrating an I-I cross section of the camera device shown in FIG. 3.

FIG. 5 is a cross-sectional view illustrating a II-II cross section of the camera apparatus shown in FIG. 3.

6 to 11 are views showing each embodiment of a camera device or a display device according to the present invention.

Claims (21)

Camera unit; A support member for supporting the camera unit; It is provided in the camera unit and the support member includes a two-axis moving unit for allowing the camera unit to rotate in the vertical direction and the left and right directions, respectively, The camera unit includes a camera and a cover for accommodating the camera and provided with a hole so that the lens of the camera communicates with the outside. The two-axis moving unit, Protruding portion provided in any one of the cover and the support member for point contact to be slidable to the other; And And a groove provided on the other one of the cover and the support member and guiding the protrusion to slide forward and backward. When the cover is rotated left and right, the side protrusion of the cover or the support member slides forward and backward in the groove, When the cover is rotated up and down, the camera device, characterized in that the projection on the side of the cover or the support member rotates in the groove. The method of claim 1, wherein the groove, And a stepped portion provided at both ends thereof to limit sliding movement of the protrusion. delete 3. The method of claim 2, The protrusion includes a first protrusion provided on the left side of any one of the cover and the support member, and a second protrusion provided on the right side of any one of the cover and the support member. The groove comprises a first groove for guiding the forward and backward sliding movement of the first protrusion and a second groove for guiding the forward and backward sliding movement of the second protrusion. The method according to claim 2 or 4, The protrusion includes a third protrusion provided on an upper side of any one of the cover and the support member, and a fourth protrusion provided on a lower side of any one of the cover and the support member. The groove may include a third groove for guiding the forward and backward sliding movement of the third protrusion, and a fourth groove for guiding the forward and backward sliding movement of the fourth protrusion. 3. The method of claim 2, And a holder provided between the camera and the support member and coupled to the cover to fix the camera. delete The method according to claim 6, A stepped portion provided at the front end of the groove to limit sliding movement forward of the protrusion; And a stop portion formed by a front surface of the holder at a rear end of the groove and restricting sliding movement of the rear side of the protrusion. A cabinet in which a seating hole is formed on one surface; A camera unit seated to be movable in the seating hole; A support member for supporting the camera unit; And It includes a two-axis moving unit for allowing the camera unit to rotate in the vertical direction and the left and right directions, respectively, The camera unit, camera;, A cover which accommodates the camera and is provided with a hole so that the lens of the camera communicates with the outside; And And a holder provided between the camera and the support member and coupled to the cover to fix the camera. delete The method of claim 9, wherein the two-axis moving unit, A projection part provided in one of the seating hole and the cover to be in point contact to be slidable to the other one, And a groove provided in the other of the seating hole and the cover to guide the protrusion to slide forward and backward. The method of claim 9, wherein the two-axis moving unit, A protrusion provided in one of the cover and the support member to be in point contact to be slidable to the other; And a groove provided on the other one of the cover and the support member to guide the protrusion to slide in the front-rear direction. 12. The method of claim 11, The protrusion includes a first protrusion provided on the left side of any one of the seating hole and the cover, and a second protrusion provided on the right side of any one of the seating hole and the cover. The groove may include a first groove for guiding the forward and backward sliding movement of the first protrusion and a second groove for guiding the forward and backward sliding movement of the second protrusion. The method of claim 12, The protrusion includes a first protrusion provided on the left side of any one of the cover and the support member, and a second protrusion provided on the right side of any one of the cover and the support member. The groove may include a first groove for guiding the forward and backward sliding movement of the first protrusion and a second groove for guiding the forward and backward sliding movement of the second protrusion. 15. The method according to any one of claims 11 to 14, The protrusion includes a third protrusion provided at an upper side of any one of the seating hole and the cover, and a fourth protrusion provided at a lower side of any one of the seating hole and the cover. The groove may include a third groove for guiding the forward and backward sliding movement of the third protrusion and a fourth groove for guiding the forward and backward sliding movement of the fourth protrusion. The groove according to any one of claims 11 to 14, wherein the groove is And a stepped portion provided at both ends thereof to limit sliding movement of the protrusion. The method of claim 15, wherein the groove, And a stepped portion provided at both ends thereof to limit sliding movement of the protrusion. delete The groove of claim 11 or 12, wherein the groove is And a stepped portion provided at both ends thereof to limit sliding movement of the protrusion. 13. The method according to claim 11 or 12, A stepped portion provided at the front end of the groove to limit sliding movement forward of the protrusion; And a stop portion formed by a front surface of the holder at a rear end of the groove and limiting sliding movement of the rear side of the protrusion. The method of claim 11 or 12, wherein the cover, And a stopper provided at a rear edge thereof to limit the vertical rotation or the horizontal rotation of the cover by being caught by the cabinet according to the movement of the cover.

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