WO2019221517A1

WO2019221517A1 - Motorized easel

Info

Publication number: WO2019221517A1
Application number: PCT/KR2019/005854
Authority: WO
Inventors: 김성동
Original assignee: Kim Sungdong
Priority date: 2018-05-15
Filing date: 2019-05-15
Publication date: 2019-11-21
Also published as: KR101878641B1

Abstract

The present invention relates to an easel used to place a drawing board thereon while a painter draws a picture. The present invention relates to a motorized easel which has a height conveniently adjustable by an operator in a motorized manner and enables a drawing board having various sizes to be easily placed thereon. To this end, the motorized easel according to the present invention comprises: a support frame horizontally installed at a base frame; a first elevation frame, which is uprightly coupled to the support frame and has first guide rails vertically arranged on both side surfaces thereof; a second elevation frame, which is connected to the first elevation frame through an upper connection member and a lower connection member installed under the upper connection member, and stands upright behind the first elevation frame; and a holding frame, which is installed in front of the first elevation frame so as to allow a drawing board to be placed thereon, and can move up and down along the first guide rails through an elevation means.

Description

Electric easel

The present invention relates to an electric easel, and more particularly, it is used to mount a paint plate when a worker such as a painter draws on a paint plate, and the height adjustment can be easily adjusted by the operator as well as easy to control paints of various sizes. It is related with the electric easel which can be mounted easily.

In general, the easel (easel) is for mounting the paint to draw a picture, the shape or size is formed differently according to the size of the paint.

Conventional easel is only to mount the paint stand, so if the paint is large, the inconvenience of having to move up and down the ladder or chair occurs.

In addition, the conventional easel has a fixed size of the base for supporting the paint or drawing board has a limit to accommodate all from a small paint to a large paint.

Therefore, the painter can easily adjust the height of the electric motor, and the situation is required to develop an easel that can be mounted on various sizes of paint.

The present invention can not adjust the height of the paint freely in the state that the paint is mounted on the easel, the conventional inconvenience that the painter has to move the paint directly or adjust the height of the hand easel and limit the size of the paint can be rough It is an object of the present invention to provide a motorized easel that can be easily mounted by the operator, as well as easy to adjust the height of the height adjustment.

In order to achieve the above object, the electric easel according to the present invention comprises a support frame horizontally installed on the base frame; A first elevating frame coupled to the support frame and standing upright and having first guide rails disposed on both sides thereof in a vertical direction; A second elevating frame connected to the first elevating frame through an upper connecting member and a lower connecting member installed below the upper connecting member and standing upright from the rear of the first elevating frame; And a mounting frame installed at the front of the first elevating frame to mount the paint plate and capable of elevating up and down along the first guide rail through elevating means.

According to a preferred embodiment of the present invention, the elevating means includes a first sprocket installed on the upper connecting member, a second sprocket installed on the lower connecting member, and the first elevating frame and the second elevating frame. A chain connecting one sprocket and a second sprocket, a driving unit installed on the support frame and connected to the second sprocket to rotate the second sprocket, and one side is coupled to the mounting frame and the other side is one side of the chain. An elevating member coupled to the first guide rail, the elevating member having a guider capable of sliding up and down along the first guide rail when the chain rotates, and a second elevating frame coupled with the other side of the chain. It is provided with a guide roller which can move up and down, and guides on the second lifting frame by the guide roller when the chain rotates. As comprises a weight member for lifting up and down along the second lifting frame, control unit for controlling the driving of the driving unit.

In addition, as a preferred embodiment, the mounting frame is to support the paint plate by supporting the back of the paint plate, one side of the elevating member is coupled to the front surface of the first front rail groove is formed in the vertical direction and the side rail groove on both sides up and down A first support base formed in each direction and provided with a second guide rail in a vertical direction on a rear surface thereof, a lower supporter horizontally fixed to a lower portion of the first support base, and a lower end of the paint board mounted thereon, Fixing the paint plate to the mounting frame is provided with a height adjustment port that can be moved up and down along the first front rail groove of the first pedestal so as to mount the paint plate of various height to the mounting frame through the height adjustment opening 1 An upper cradle that is installed to move up and down on the support, so that the upper cradle can be installed A second front rail groove in which the height adjustment port can be disposed is formed, and is installed on an upper side of the first support so that a paint plate having a height greater than the height of the first support can be mounted on the mounting frame. And a second pedestal provided with a guide bar that can be moved up and down within the second guide rail.

In addition, a guide roller disposed in the side rail groove of the first support base may be further provided at the front side of the first lifting frame so that the first support may be lifted while being guided along the side rail groove by the guide roller. .

In addition, both ends of the support frame of the present invention may be rotatably installed on the base frame to adjust the angle of the mounting frame, and may be rotated by rotating means installed on the base frame.

In one preferred embodiment, the rotating means is a screw bar rotatably installed on the base frame and the thread is formed on the outer circumferential surface, a handle coupled to one end of the screw bar to rotate the screw bar, the screw on the screw bar When coupled to rotate the handle and the nut member that can move on the screw bar, the upper end is fixedly coupled to the lower surface of the support frame is formed with an opening opening to the lower side is inserted both sides of the nut member in the opening Including a rotating piece, when the handle is rotated, the nut member moves up and down the opening of the rotating piece while moving on the screw bar, so that the support frame rotatably installed at both ends of the base frame is rotated and mounted. The angle of the frame can be adjusted.

As an embodiment of the present invention, the first lifting frame may further include a support roller on the front upper side, and the guide bar may be moved up and down in the second guide rail while being supported by the support roller.

In addition, as a preferred embodiment of the present invention, on the front side of the base frame is installed a worktable for placing a tool used when drawing, etc., the workbench is coupled to the front side of the base frame to the upright A first workbench member, a second workbench member rotatably coupled to an upper end of the first workbench member, a work plate installed on the second workbench member, and connected to the first workbench member and the second workbench member; And it includes a rotation angle adjustment unit for adjusting the rotation angle of the second worktable member.

In addition, as a preferred embodiment of the present invention, the upper and lower limit switches are respectively electrically connected to the control unit is installed, so that the weight member is raised or lowered on the second lifting frame by the In contact with the limit switch, the mounting frame may be controlled to stop rising or falling.

According to the electric easel of the present invention, it is possible to freely adjust the height of the mounting frame for mounting the paint plate through the drive control of the motor.

In addition, according to the electric easel of the present invention, the operation for adjusting the height of the mounting frame can be made very easily by electric, it is possible to significantly reduce the inconvenience of the operator.

In addition, according to the electric easel of the present invention, it is possible to easily mount the paint plate of various sizes, especially height, and also easy to adjust the angle of the mounting frame, it is very convenient to use.

In addition, since the workbench for the painter is provided below the front side of the mounting frame on which the paint plate is mounted, it is possible to conveniently use the painting tool required by the painter on the workbench.

1 is a photograph showing the overall appearance of the electric easel according to the present invention,

Figure 2a is a photograph showing the lower side of the electric easel of the present invention, Figure 2b is a photograph showing the right side of the electric easel of the present invention, Figure 2c is a support frame, a first lifting frame, a second lifting frame, And a photograph showing a coupling relationship between the mounting frame,

Figure 3a is a photograph showing the coupling relationship of the upper connection member portion of the present invention, Figure 3b is a photograph showing the coupling relationship of the lower connection member portion of the present invention,

4 is a photograph showing the coupling relationship between the drive part of the present invention,

5 is a photograph showing the coupling relationship of the lifting member of the present invention,

6a to 6c are photographs showing the configuration and coupling relationship of the weight member of the present invention,

7 is a photograph showing a control part of the present invention,

8 is a view for explaining the operation relationship of the electric easel according to the present invention,

9 is a photograph showing the upper side of the mounting frame of the present invention,

Figure 10a is a photograph showing the height adjustment of the present invention, Figure 10b is a photograph showing a coupling relationship of the upper cradle and the height adjustment of the present invention,

Figure 11a is a photograph showing the upper side and the second pedestal portion of the present invention, Figure 11b is a photograph showing a state in which the second pedestal of the present invention is raised to the upper side, Figure 11c is a second pedestal of the present invention It is a photograph showing the coupling relationship between the support rollers,

12 is a photograph showing a guide roller portion of the present invention,

13A and 13B are photographs showing the configuration of the rotating means of the present invention,

14 is a view for explaining the operating relationship between the screw bar and the rotating piece of the present invention,

15 is a photograph showing a configuration of a work bench of the present invention,

16 is a photograph showing a state where the paint plate is mounted on the electric easel according to the present invention.

[Description of the code]

10: base frame, 11: wheel, 100: support frame,

101: lever, 200: first lifting frame, 201: first guide rail,

210: guide roller 211: bracket 220: support roller

300: second lifting frame, 301: upper connecting member, 302: lower connecting member,

400: mounting frame, 410: first base, 411: first front rail groove,

412: side rail groove, 413: second guide rail, 420: lower holder,

430: upper cradle, 431: height adjuster, 440: second base,

441: second front rail groove, 442: information bar, 500: lifting means,

510: first sprocket, 520: second sprocket, 530: chain,

540: drive unit, 550: elevating member, 551: guider,

560: weight member, 561: weight body, 561A: auxiliary block,

562: guide roller, 570: control unit, 571: control panel,

572: operation switch, 573: limit switch, 574: power supply line,

600: rotation means, 610: screw bar, 620: handle,

630: nut member, 640: rotating piece, 641: opening,

700: working table, 710: first working table member, 720: second working table member,

730: the working plate, 740: rotation angle adjustment unit, 741: the first adjustment piece,

742: second adjusting piece, 742A: slot, 743: fixed lever

The present invention relates to a motorized easel having a height adjustment motorized by the operator can be easily adjusted, easy to adjust the angle, the range of the size of the paint can be mounted, as well as a worktable for the painter's work convenience.

Hereinafter, the configuration of the present invention with reference to the accompanying drawings or photos will be described in detail.

First, as shown in FIGS. 1 and 2A to 2C, the electric easel according to the present invention is vertically coupled to the support frame 100 installed horizontally on the base frame 10 and the support frame 100, The first elevating frame 200 having the first guide rails 201 provided on both sides thereof, and the upper connecting member 301 and the lower connecting member 302 installed under the upper connecting member 301. The second elevating frame 300 is connected to the first elevating frame 200 through the second elevating frame 300 standing upright from the rear of the first elevating frame 200, the paint plate (P) is installed in front of the first elevating frame (200) It can be mounted, and includes a mounting frame 400 that can be moved up and down along the first guide rail 201 through the lifting means (500).

The base frame 10 is a frame in which the support frame 100 and the worktable 700 are installed at the lower portion of the electric easel of the present invention, and a plurality of wheels 11 for movement are installed at the bottom of the electric easel of the present invention. Can be moved to the place desired by the painter.

The support frame 100 is installed horizontally on the base frame 10, but both ends are rotatably installed on the base frame 10 so as to rotate about a horizontal axis (not shown), the support frame 100 The first lifting frame 200 is coupled to the upright.

The first elevating frame 200 is coupled to the lower portion is coupled to the support frame 100 vertically upright in the support frame 100 as shown, in other words, the first lifting frame ( The first guide rail 201 is provided in the length direction of the 200.

The second elevating frame 300 is an upright parallel to the first elevating frame 200 in the rear of the first elevating frame 200, the upper connecting member 301 and the lower connecting member 302 The first lifting frame 200 is spaced apart from each other by a predetermined distance.

The first elevating frame 200 and the second elevating frame 300 of the present invention are fixed while standing upright on the support frame 100 to provide a space for installing the chain 530 to be described later and the lifting member 550 and the weight When the member 560 moves up or down, the member 560 guides the first lifting frame 200 and the second lifting frame 300.

As shown in FIGS. 3A and 3B, the upper connection member 301 is installed above the first lifting frame 200 and the second lifting frame 300 to connect the two

frames

200 and 300. As the member, the first sprocket 510 is rotatably installed inside. In addition, the lower connecting member 302 is installed on the lower side of the upper connecting member 301, that is, the lower side of the first lifting frame 200 and the second lifting frame 300 to the two frames (200, 300) Similarly, the second sprocket 520 is rotatably installed inside the connecting member. In one embodiment, the first sprocket 510 and the second sprocket 520 is rotatable through a known bearing (not shown or shown) installed in the upper connecting member 301 and the lower connecting member 302. Can be installed.

The mounting frame 400 is installed in front of the first lifting frame 200 to mount the paint plate (P), the lifting means 500 to be described later of the first lifting frame 200 It can be moved up and down along the first guide rail 201.

First, the lifting means 500 will be described as a preferred embodiment of the present invention.

Lifting means 500 of the present invention is the first sprocket 510, the second sprocket 520, the chain 530, the driving unit 540, elevating member 550, the weight member 560, and the control unit 570 It includes.

The first sprocket 510 and the second sprocket 520 are known power transmission elements, and the chain 530 is formed between the first elevating frame 200 and the second elevating frame 300. It is a known power transmission element connecting the first sprocket 510 and the second sprocket 520 at the lower side.

As shown in FIG. 4, the driving unit 540 is installed on the support frame 100 and connected to the second sprocket 520 to rotate the second sprocket 520. It includes a reducer 542 connected to the motor shaft of the motor 541, and a drive shaft (not shown) extending from the reducer 542. The motor 541 is connected to the control panel 571, the driving is controlled by the control panel 571, the reducer 542 decelerates the rotation of the motor shaft, the drive shaft extending from the reducer 542 (not shown) ) Is supported by a bearing (not shown) installed in the lower connecting member 302, the second sprocket 520 is condensed on the drive shaft inside the lower connecting member 302.

As a result, when the motor 541 is driven to rotate by the control of the control panel 571, the second sprocket 520 rotates and the chain 530 connected to the first sprocket 510 and the second sprocket 520. ) Will rotate.

As shown in FIG. 5, the elevating member 550 is coupled to a first pedestal 410 (or lower side of the first pedestal 410) more specifically than the mounting frame 400 and the other side of the chain. As a member coupled to one side of the 530, the mounting frame 400 is connected to the chain 530 to elevate the mounting frame 400 through the rotation of the chain 530.

Referring to Figure 5 and described in more detail the elevating member 550 of the present invention, one side of the elevating member 550 is fixedly coupled to both sides of the first base 410, the other side of the chain 530 One side is fixedly coupled to the elevating member 550, and as an example, the pin or bolt is lifted in a state in which a pin or a bolt is inserted between the inside of the chain 530 as shown in the coupling portion 550A shown in FIG. The chain 530 can be fixedly coupled to the elevating member 550 by coupling to the member 550.

In addition, as shown in FIG. 5, the elevating member 550 has the guider 551 disposed on the first guide rail 201 at both sides (that is, the first elevating frame 200 as shown in FIG. 5). On both sides of the

When the chain 530 rotates, the guider 551 slides up and down along the first guide rail 201 when the lifting member 550 moves up and down, thereby elevating the lifting member 550. Is guided along the first guide rail 201 to ascend and descend. As a result, the first pedestal 410 connected to the elevating member 550, that is, the mounting frame 400 may be stably moved up and down along the first guide rail 201.

The weight member 560 is coupled to the other side of the chain 530 as shown in Figures 6a to 6c is a member to lift up and down on the second elevating frame 300, the mounting frame 400 during elevating driving In order to reduce the load burden due to the weight of the paint board mounted on the) is a member having a certain weight is coupled to the other side of the chain (530).

6A to 6C, the weight member 560 will be described in more detail. The weight member 560 is coupled to both ends of the chain 530, and has a predetermined weight 561 and the weight body. 561 is rotatably installed on the weight body 561 so as to move on the second lifting frame 300 up and down, respectively, on the front and rear surfaces of the second lifting frame 300. The guide roller 562 is disposed.

Accordingly, when the chain 530 rotates to raise or lower the mounting frame 400 through the elevating member 550, the weight member 560 is guided by the guide roller 562 while the second elevating member 550 is rotated. It descends or rises on the frame 300.

In addition, as an embodiment, the weight member 560 may further include an auxiliary block 561A having a predetermined weight on the side or both sides of the weight body 561 according to the weight of the paint plate or the need.

Meanwhile, as a preferred embodiment of the present invention, the limit switch 573 may be installed on the upper side and the lower side of the second elevating frame 300, respectively. As a result, when the weight member 560 raises or lowers the second lifting frame 300 and contacts the limit switch 573, the driving of the motor 541 is stopped by the controller 570. The rising or falling of the mounting frame 400 may be controlled to stop. As an example, the auxiliary block 561A of the weight member 560 may be installed to be in contact with the limit switch 573 as shown. This will be described later again below.

The control unit 570 of the present invention controls the driving of the driving unit 540 to control the rising or lowering of the mounting frame 400, and a power supply for supplying external power as shown in FIGS. 7 and 8. A control panel 571 connected to the supply line 574 and controlling the driving of the motor 541, an operation connected to the control panel 571 so that an operator, such as a painter, can operate the lifting frame 400 up or down; The switch 572 includes a limit switch 573 that transmits an electrical signal to the control panel 571 when the weight member 560 is raised or lowered to a predetermined height and is in contact with the control panel 571.

The control panel 571 receives an external power supply to the motor 541, and receives a rising or falling signal from the operation switch 572 to control the rotation direction of the motor 541 in the forward or reverse direction.

In addition, the control panel 571 is electrically connected to the limit switch 573 installed on the upper and lower sides of the second elevating frame 300, the weight member 560 as the mounting frame 400 is raised or lowered When lowering or rising to come into contact with the limit switch 573, the driving of the motor 541 is stopped based on the signal transmitted from the limit switch 573. As a result, it is possible to prevent a collision or breakage that may be caused by the mounting frame 400 being continuously raised or lowered due to the inadvertent operation of the operation switch 572. As an example, the auxiliary block 561A may be arranged or designed to be in contact with the limit switch 573 when the weight member 560 is raised or lowered.

Now, with reference to Figures 9, 10a to 10c will be described the mounting frame 400 of the present invention.

The mounting frame 400 of the present invention supports the back of the paint plate (P) to support the paint plate (P), the first support 410, horizontally fixed to the lower portion of the first support (410) paint (P) A lower cradle 420 is mounted on the lower end of the lower cradle, the upper cradle is installed so as to be movable up and down on the first pedestal 410 is fixed to the upper frame of the paint plate (P) to the mounting frame 400 ( 430, and a second plate installed on the upper side of the first pedestal 410 so that the upper cradle 430 spans the upper end of the paint plate P when the height of the paint plate P is high as the first pedestal 410. A pedestal 440.

As illustrated in FIG. 9, the first pedestal 410 has a first front rail groove 411 formed in a vertical direction, and side rail grooves 412 are formed in a vertical direction on both sides thereof. As an embodiment of the present invention, the first support 410 preferably has a profile in which rail grooves are formed on the front (or front and rear) sides and both sides, as shown.

A guide pin 431C of the height adjustment opening 431 is disposed inside the first front rail groove 411 to move inside the rail groove 411 so that the upper cradle 430 is the first pedestal 410. ) Can be moved up and down.

In addition, the guide roller 210 is disposed in the side rail groove 412 so that the guide roller 210 is fixed to the bracket 211 along the side rail groove 412 when the first support 410 is elevated. The rail groove 412 moves up and down while rotating. In other words, the guide roller 210 remains as it is installed in the bracket 211 fixed to the first lifting frame 200 and the guide roller 210 is the side rail groove as the first support 410 is lifted. The first base 410 is guided to move up and down along the side rail grooves 412 while moving in the 412. This will be described later.

The lower holder 420 is made of a frame or plate having a predetermined width so that the paint plate P having a predetermined thickness can be mounted, and is protruded forward from the lower portion of the first pedestal 410.

The upper cradle 430 is horizontally installed on the first pedestal 410 or the second pedestal 440 in a state spanning the upper end of the paint plate (P) mounted on the lower cradle 420, the various height It is a frame or plate that is installed to be movable up and down on the first base 410 by having the height adjustment port 431 on one side to mount the paint plate to the mounting frame 400.

10A and 10B, the height adjusting device 431 according to the exemplary embodiment will be described in detail. The height adjusting device 431 of the present invention has an upper surface of the upper holder 430 as shown in FIG. 10A. The bolt bar 431B-1 having a fixing piece 431A having an opposing surface 431A-1 coupled to the front surface of the first base 410 but having a threaded bolt bar 431B-1. ) Penetrates through the opposing surface 431A-1 of the fixing piece 431A and is disposed on the opposing surface 431A-1 of the fixing piece 431A, and the bolt bar of the lever 431B. And a guide pin 431C screwed to an end of the 431B-1 and disposed inside the first front rail groove 411.

10B illustrates a state where the upper cradle 430 is installed in the first base 410 through the height adjustment hole 431, and the guide pin 431C is disposed in the first front rail groove 411. When the lever 431B is rotated and tightened, the end of the bolt bar 431B-1 is screwed (fastened) with the guide pin 431C, and the guide pin 431C and the opposing surface 431A-1 are first. The upper cradle 430 is fixed on the first pedestal 410 by being in close contact with the pedestal 410.

On the other hand, when the lever (431B) is rotated in reverse to release the lock (fixed state), the contact is released, so that the guide pin 431C can freely move up and down within the first front rail groove 411. As a result, the first By moving the upper cradle 430 to a desired height on the pedestal 410, the height of the upper cradle 430 can be freely adjusted by tightening the lever 431B.

The second pedestal 440 of the present invention is formed with a second front rail groove 441 in which the height adjustment hole 431 is disposed on the front surface so that the upper cradle 430 can be installed.

In other words, the second front rail groove 441 is formed on the front surface of the second support 440 so that the guide pin 431C of the height adjustment hole 431 may be disposed in the same way as the first support 410. The upper cradle 430 may be fixed or detached on the second support 440 by rotating and tightening and releasing the lever 431B of the height adjustment port 431 as described above.

In addition, the second pedestal 440 is installed on the upper side of the first pedestal 410 to mount the paint plate (P) of a height greater than the height of the first pedestal 410 to the mounting frame 400, The rear surface has a guide bar 442 that can be moved up and down in the second guide rail 413.

11A and 11B, the second support 440 will be described in more detail. The second support 440 of the present invention has a structure that can be extended upward from the first support 410. In order to have such a structure, a guide bar 442 having a predetermined length in a vertical direction is provided on a rear surface thereof, and the guide bar 442 is provided in a vertical direction on a rear surface of the first pedestal 410. It is disposed in the rail 413 may be moved along the second guide rail 413 in the vertical direction.

As a result, when the paint plate P having a height greater than the height of the first pedestal 410 needs to be mounted on the mounting frame 400, the second pedestal 430 is further increased by a height exceeding the height of the first pedestal 410. By moving upwards, the upper cradle 430 fixed on the second pedestal 430 in the above manner may be raised by the height of the paint plate P so as to be spread over the upper end of the paint plate P. FIG. (See Figure 11B)

As a preferred embodiment, as shown in FIG. 11C, the first elevating frame 200 further includes a support roller 220 at the front upper side, and the guide bar 442 is supported by the support roller 220. While being supported, it may be moved up and down in the second guide rail 413.

In other words, the support roller 220 is rotatably installed by the bearing (not shown) on the front upper side of the first lifting frame 200 and the guide bar 442 is supported by the support roller 220 The guide bar 442 may be stably moved up and down without being separated from the second guide rail 413.

12 shows the guide roller 210 portion of the present invention, the guide roller 210 is fixed to the first lifting frame 200 through the bracket 211 is rotatably installed in the bracket 211 It is disposed in the side rail groove 412 of the first base 410. As a result, when the first support 410 is raised and lowered, the bracket 211 rotates while being in that position and moves inside the side rail groove 412 of the first support 410.

Therefore, in the present invention, the mounting frame 400 is guided along the first guide rail 201 through the guider 551 as well as the side rail groove 412 through the guide roller 210 when the elevator is elevated. By being guided along, the mounting frame 400 on which the paint of a certain weight is mounted can be lifted very stably and smoothly.

Now, a structure for adjusting the angle of the paint in the electric easel of the present invention will be described below.

In a preferred embodiment, the support frame 100 of the present invention, the both ends of the support frame 100 is rotatably installed on the base frame 10 so as to adjust the angle of the mounting frame 400, the base frame It can be rotated through the rotation means 600 installed in (10).

13A and 13B, the rotating means 600 of the present invention will be described in detail. The rotating means 600 includes a screw bar 610, a handle 620, a nut member 630, and a rotating piece ( 640).

First, as an example, as shown in FIG. 4, the support frame 100 is connected to the base frame 10 through the installed lever 101 of the base frame 10 (or connected to the lever 101). It is coupled to the lever 101 by tightening by turning the lever 101 is fixedly coupled to the base frame 10, but by rotating the lever 101 has a structure that is rotatable about the central axis (C), for such a structure is known Technology can be adopted.

On the other hand, the screw bar 610 is rotatably installed in the base frame 10, as shown in Figure 13b, the bracket 601 and the bracket 601 is installed on one side of the base frame 10 The bearing 611 is installed on the base frame 10 while being rotatably installed on the lower side of the support frame 100. In addition, the screw bar 610 is a screw thread (or male thread) is formed on the outer peripheral surface and screwed with the nut member 630 on the screw thread.

In addition, the handle 620 may be coupled to one end of the screw bar 610 to rotate the screw bar 610 such that the painter may rotate the handle 620.

The nut member 630 may be screwed to the screw bar 610 to move on the screw bar 610 when the handle 620 is rotated.

The rotating piece 640 of the present invention has an opening 641 having an upper end fixedly coupled to a lower surface of the support frame 100 and opening downwardly (opening downward) at a lower portion thereof so that the opening 641 is formed. Both sides of the nut member 630 is inserted into it. Accordingly, when the handle 620 is rotated, the nut member 630 may move up and down within the opening 641 of the pivoting piece 640 while moving on the screw bar 610.

Referring to FIG. 14 again, when the painter or the like rotates the handle 620 in one direction, the nut member 630 moves on the screw bar 610 along the central axis A1 of the screw bar 610. While moving the opening 641 inside the rotating piece 640, the support frame 100, the rotating piece 640 is coupled to the lower surface of the nut member 630 is moved by the rotating piece 640 It will rotate in proportion to the distance.

Referring to FIG. 14 again, as the screw bar 610 is rotated to move the nut member 630 to one side (to the right in FIG. 14), the rotation piece 640 is fixed to the lower surface of the support frame 100. Thus, the nut member 630 moves in the opening 641 in the up or down direction (in the direction of the arrow in FIG. 14), and as a result, the support frame 100 is referred to (center) the center axis C (FIG. 14). In the direction of the arrow).

Therefore, even if the painter rotates the handle 620 to move the nut member 630 only slightly, the angle of the mounting frame 400 can be changed at a large rotation angle.

In addition, as a preferred embodiment of the present invention, as shown in Figures 2a and 15, a work table 700 that can be placed on the front side of the base frame 10 to be used for drawing tools, etc. is installed However, the work table 700 is coupled to the front side of the base frame 10 is a pair of first working table member 710 to be upright and rotatably coupled to the upper end of the first working table member 710 A second working table member 720, a working plate 730 installed on the second working table member 720, and having a flat plate shape so as to place a painting tool; and the first working table member 710 and the second working table member 720. It is connected to the work table member 720 includes a rotation angle control unit 740 for adjusting the rotation angle of the second work table member 720.

In one embodiment, the coupling structure between the upper end of the first workbench member 710 and the end of the second workbench member 720 may be a known pin coupling or link coupling structure.

In addition, as an embodiment, as shown in FIG. 15, the rotation angle adjusting unit 740 is installed on the upper side of the first workbench member 710 and has a first shape adjusting member 741 having an arc shape. A second adjusting piece 742 installed in the second worktable member 720 and having an arc shape corresponding to the first adjusting piece 741, and having a slot 742A penetrating into an arc shape inside the second adjusting piece 741; A fixing lever 743 coupled to the first adjusting piece 741 while penetrating through the slot 742A of the adjusting piece 742 connects the first adjusting piece 741 and the second adjusting piece 742. do.

Therefore, a worker such as a painter rotates the fixing lever 743 to loosen the tightening, adjusts the angle of the working plate 730 to a desired angle [that is, adjusts the position in the slot 742A of the fixing lever 743). Next] by rotating the fixing lever 743 again, the first adjusting piece 741 and the second adjusting piece 742 are fixed to each other to easily adjust the angle of the working plate 730.

As shown in FIG. 16, the paint plate P may be mounted through the lower cradle 420 and the upper cradle 430, and may be adjusted to a desired angle by rotating the handle 620. P) The working plate 730 is provided at the front to conveniently place the painting tool, it is also possible to move the easel to the desired place by the wheel 11 for movement.

In the above description of the present invention, specific embodiments are illustrated and the present invention has been described in detail, but the scope of the present invention is not limited to the above embodiments, and the present invention may be modified in various ways within the technical scope of the present invention. Will be self-evident to those of ordinary knowledge.

Claims

In the easel,

A support frame 100 installed horizontally on the base frame 10;

A first elevating frame 200 coupled to the support frame 100 and standing upright, and having first guide rails 201 provided in both sides in an up and down direction;

It is connected to the first elevating frame 200 through the upper connecting member 301 and the lower connecting member 302 which is installed below the upper connecting member 301, standing upright from the rear of the first lifting frame 200. A second lifting frame 300; And

It is installed in front of the first lifting frame 200 can be mounted on the paint plate (P), the mounting frame 400 which can be moved up and down along the first guide rail 201 through the lifting means (500). ),

The lifting means 500,

A first sprocket 510 installed on the upper connection member 301,

A second sprocket 520 installed on the lower connection member 302,

A chain 530 connecting the first sprocket 510 and the second sprocket 520 between the first lifting frame 200 and the second lifting frame 300;

A driving unit 540 installed on the support frame 100 and connected to the second sprocket 520 to rotate the second sprocket 520;

One side is coupled to the mounting frame 400 and the other side is coupled to one side of the chain 530 and is disposed on the first guide rail 201 when the chain 530 rotates the first guide rail ( An elevating member 550 having a guider 551 that can slide up and down along 201,

The guide roller 562 is coupled to the other side of the chain 530 and provided with a guide roller 562 that can move upward and downward on the second lifting frame 300 by the guide roller 562 when the chain 530 rotates. A weight member 560 which is guided on the second lifting frame 300 and moves up and down, and

A control unit 570 for controlling the driving of the drive unit 540,

The mounting frame 400,

One side of the elevating member 550 is coupled to the rear surface of the paint plate P to support the paint plate P, and a first front rail groove 411 is formed in a vertical direction on a front surface thereof, and side rail grooves on both sides thereof. 412 is formed in the vertical direction, respectively, the first base 410 is provided with a second guide rail 413 in the vertical direction on the rear surface,

A lower cradle 420 fixedly installed at a lower portion of the first support 410 to be mounted on a lower end of the paint plate P, and

The first part of the first pedestal 410 to be mounted on the upper frame of the paint plate P to fix the paint plate P to the mounting frame 400 so that the paint plate P of various heights can be mounted on the mounting frame 400. The upper cradle 430 is provided with a height adjustment port 431 that can move up and down along the front rail groove 411 and installed on the first base 410 through the height adjustment port 431. Wow,

A second front rail groove 441 in which the height adjusting opening 431 may be disposed is formed on a front surface of the upper cradle 430 so that the upper cradle 430 may be installed. Guide bar 442 is installed on the upper side of the first base 410 to be mounted on the mounting frame 400, but can be moved up and down in the second guide rail 413 on the rear surface. It includes a second support 440 is provided,

A guide roller 210 disposed in the side rail groove 412 of the first support 410 is further provided on the front side of the first lifting frame 200 so that the first support 410 is the guide roller ( The electric easel, characterized in that the elevating while being guided along the side rail groove (412) by (210).
The method of claim 1,

The support frame 100 may be rotated through the rotating means 600 installed at the base frame 10 while both ends are rotatably installed at the base frame 10 so as to adjust the angle of the mounting frame 400. Can,

The rotating means 600,

A screw bar 610 rotatably installed on the base frame 10 and having a thread formed on an outer circumferential surface thereof;

A handle 620 engaged with one end of the screw bar 610 to rotate the screw bar 610;

A nut member 630 screwed to the screw bar 610 to move on the screw bar 610 when the handle 620 is rotated;

The upper end includes a pivoting piece 640 which is fixedly coupled to the lower surface of the support frame 100 and has an opening 641 opened downwardly so that both sides of the nut member 630 are inserted into the opening 641. So,

Rotating the handle 620 moves the nut member 630 up and down in the opening 641 of the pivoting piece 640 while moving on the screw bar 610 so that both ends of the base frame 10 are moved. Electric easel, characterized in that the angle of the mounting frame 400 can be adjusted by rotating the support frame 100 is rotatably installed.