CN219312408U - Portable folding oil painting easel - Google Patents

Abstract

The utility model discloses a portable folding oil painting easel which comprises a drawing board, a supporting board and folding supporting legs. The drawing board is rotationally connected with one side of the supporting plate through a hinge, the folding supporting leg is fixedly connected with the other side of the supporting plate, and the folding supporting leg can be telescopically rotated. The two sides of the drawing board are provided with slide ways, a slide block is respectively arranged in the slide ways, the two slide blocks are connected with a supporting table, the supporting table is sleeved on one side of the drawing board, and an elastic sheet is fixedly connected on one side of the drawing board. The supporting table and the elastic sheet clamp the drawing paper, through adjustment, the sliding block is provided with the locking part, so that the sliding block can slide or be fixed in the sliding way, and the position of the supporting table is changed by moving the positions of the two sliding blocks, so that the space between the supporting table and the elastic sheet is changed to adapt to different drawing paper sizes.

Description

Portable folding oil painting easel

Technical Field

The utility model relates to the field of painting supports, in particular to a portable folding oil painting easel.

Background

The oil painting easel is a common special painting device, and as people go out more frequently, the portable folding oil painting easel is favored by more and more painting workers. At present, the folding oil painting easel on the market generally adopts the design form that the upper side and the lower side of the drawing board are respectively fixed with the drawing paper clips, so that the easel can only be matched with single drawing paper size and cannot be applied to drawing papers with different sizes.

Therefore, there is a need for a portable folding canvas easel that solves the above problems, and that achieves a folding easel that can be adapted for use with a variety of different sized papers.

Disclosure of Invention

The utility model aims to provide a portable folding oil painting easel, which solves the problems in the prior art and can realize the adjustment of a drawing paper clamping piece on an adjusting drawing board so as to adapt to drawing papers with different sizes.

In order to achieve the above object, the present utility model provides the following solutions: the utility model provides a portable folding oil painting easel, comprising: drawing board, backup pad and folding supporting leg; the drawing board is connected with one side of the supporting plate through a hinge; the folding supporting legs are fixedly connected to one surface of the supporting plate; a hollow cavity is formed in the other surface of the supporting plate; one end of the supporting component is arranged in the hollow cavity; the supporting component is fixedly connected with one surface of the drawing board; the other surface of the drawing board is sleeved with a supporting table, and one side of the drawing board is fixedly connected with an elastic clamping piece; the drawing paper is clamped between the supporting table and the elastic clamping piece;

further, a group of slide ways are symmetrically arranged on two opposite sides of the drawing board; a sliding block is connected in the sliding way in a sliding way; two ends of the supporting table are fixedly connected with the corresponding positions of the two sliding blocks respectively; the sliding block is provided with a locking part; the locking parts on two sides are respectively clamped on the same height on two sides of one surface of the drawing board.

Further, the locking part comprises a telescopic column and a rebound button; the rebound button is arranged on one side of the sliding block, which faces the side surface opening of the slideway; two hole groups are vertically and symmetrically arranged on two sides of one surface of the drawing board; the two hole groups are arranged corresponding to the slide ways; the hole group comprises a plurality of holes; the telescopic columns on the two sides are respectively clamped in the openings with the same height on the two sides; two ends of the slideway are fixedly connected with a blocking block respectively;

further, the sliding block is provided with an inner groove; the inner groove opening is arranged towards the open hole; the telescopic column is positioned in the inner groove; a bayonet and a through groove are respectively formed in the side wall of the inner groove facing the rebound button; the bayonet is arranged between the through groove and the open hole;

further, the telescopic column comprises a first column, a second column and a third column; one end of the first column is fixedly connected with one end of the second column; the other end of the second column is fixedly connected with the third column; the diameters of the first column, the second column and the third column decrease in sequence; the first column is clamped in the open hole; one end of an elastic propping piece is fixedly connected to the side wall of the second column; the third column is sleeved with a first spring; two ends of the first spring are respectively abutted against one end of the second column and the inner wall of the inner groove;

further, two limiting sheets are fixedly connected to the sliding block; the two limiting sheets are symmetrically arranged; a limiting groove is formed in the middle of each limiting piece; the limit groove is communicated with the through groove; one end of the rebound button extends into the limit groove and the through groove respectively; the middle part of the extending end of the rebound button is fixedly connected with a bump; the convex blocks are positioned in the limit grooves; the extending end of the rebound button is sleeved with a second spring; one side of the second spring is abutted with the convex block, and the other side of the second spring is abutted with the inner wall of the limit groove;

further, when the other end of the first column extends out of the opening, the other end of the elastic abutting piece is positioned in the bayonet and abuts against the inner wall of the bayonet; when the other end of the first column stretches into the inner groove, the other end of the elastic abutting piece is positioned in the through groove and abuts against the inner wall of the through groove and the stretching end of the rebound button.

Further, the support assembly comprises a first connecting lug, a second connecting lug and a telescopic support rod; the first connecting lug is fixedly connected to one side of the drawing board; the second connecting lug is fixedly connected in the hollow cavity of the supporting plate; the two ends of the telescopic supporting rod are respectively and rotatably connected with the first connecting lug and the second connecting lug; and a telescopic locking piece is arranged in the middle of the telescopic supporting rod.

Further, the two support components are symmetrically arranged.

Further, the folding support leg comprises a collar and a telescopic support leg; one end of the telescopic supporting leg is rotationally connected with the lantern ring, and the other end of the telescopic supporting leg is fixedly connected with a positive magnetic block; one surface of the supporting plate is fixedly connected with a negative magnetic block; the positive magnetic block and the negative magnetic block are correspondingly arranged; the positive magnetic block and the negative magnetic block are magnetically adsorbed.

Further, a damping ring is fixedly connected to the middle of the telescopic supporting leg; the damping ring is abutted with the end face of the supporting plate.

Further, two locking blocks are fixedly connected to one side of the drawing board, which is positioned on the opposite side of the hinge; two locks are fixedly connected to one side of the support plate, which is positioned at the opposite side of the hinge; the two lock catches are respectively arranged corresponding to the two locking blocks.

Further, a handle is fixedly connected to one side of the support plate, which is positioned at the opposite side of the hinge; the handle is arranged between the two lock catches.

The utility model discloses the following technical effects:

1. the folding drawing board is convenient to use and exquisite in structure, and the space occupied by the drawing frame is reduced by folding the drawing board, the supporting plate and the folding supporting legs together, so that the folding drawing board is very convenient to carry.

2. The utility model can conveniently adjust the position of the supporting table on the drawing board, and change the space between the supporting table and the elastic clamping piece to clamp drawing papers with different sizes.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present utility model, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a cut-away side view of the utility model when deployed;

FIG. 2 is a side view of the utility model when not deployed;

FIG. 3 is a cut-away side view of the utility model when not deployed;

FIG. 4 is a view of the internal structure of the locking portion (with the first post extended);

FIG. 5 is a view of the internal structure of the locking portion (with the first post not extended);

FIG. 6 is a bottom view of the support plate;

fig. 7 is a front view of the drawing board in embodiment 1;

fig. 8 is a rear view of the drawing board in embodiment 1;

fig. 9 is a front view of a drawing board in embodiment 2;

1, a drawing board; 11. a slideway; 12. a blocking piece; 13. a locking piece; 15. opening holes; 16. an elastic clamping piece; 2. a support plate; 21. locking; 22. a handle; 23. a negative magnetic block; 3. folding the support legs; 31. a collar; 32. a telescoping support leg; 33. a shock-absorbing ring; 34. a positive magnetic block; 4. a hinge; 5. a slide block; 501. an inner tank; 502. a bayonet; 503. a through groove; 51. a support table; 52. a telescopic column; 521. a first column; 522. a second column; 523. a third column; 524. an elastic abutting piece; 525. a first spring; 53. a rebound button; 531. a second spring; 532. a bump; 54. a limiting piece; 541. a limit groove; 6. a support assembly; 61. a telescopic support rod; 62. a first connection lug; 63. a second connecting ear; 64. a telescoping locking member; 8. drawing paper.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

In order that the above-recited objects, features and advantages of the present utility model will become more readily apparent, a more particular description of the utility model will be rendered by reference to the appended drawings and appended detailed description.

Referring to fig. 1-9, the present utility model provides a portable folding canvas easel comprising: drawing board 1, backup pad 2 and folding supporting leg 3; the drawing board 1 is connected with one side of the supporting board 2 through a hinge 4; a plurality of folding supporting legs 3 are fixedly connected to one surface of the supporting plate 2; the other side of the supporting plate 2 is provided with a hollow cavity; one end of the supporting component 6 is arranged in the hollow cavity; the supporting component 6 is fixedly connected with one surface of the drawing board 1; the other surface of the drawing board 1 is sleeved with a supporting table 51; the elastic clamping piece 16 is fixedly connected to one side of the other side of the drawing board 1, which is sleeved with the supporting table 51; the drawing paper 8 is clamped between the supporting table 51 and the elastic clamping piece 16;

in one embodiment of the utility model, a group of slide ways 11 are symmetrically arranged on two opposite sides of the drawing board 1; a slide block 5 is connected in the slide way 11 in a sliding way; two ends of the supporting table 51 are fixedly connected with corresponding positions of the two sliding blocks 5 respectively, and the two ends of the supporting table 51 are respectively arranged at the same position on the two sliding blocks 5, so that the supporting table 51 is horizontally arranged when the two sliding blocks 5 are positioned at the same horizontal plane; the slide block 5 is provided with a locking part; the locking parts on two sides are respectively clamped on the same height on two sides of one surface of the drawing board 1, and the locking parts can control the sliding blocks 5 in the sliding ways 11 to be fixed or slide.

In one embodiment of the utility model, the locking portion includes a telescoping post 52 and a rebound button 53; the rebound button 53 is arranged on one side of the slide block 5, which is open towards the side face of the slide way 11; two hole groups are vertically and symmetrically arranged on two sides of one surface of the drawing board 1; the two holes are respectively arranged corresponding to the two slide ways 11; the hole group comprises a plurality of holes 15; the telescopic columns 52 on two sides are respectively clamped in the openings 15 with the same height on two sides, and the two sliding blocks 5 are positioned at the same horizontal position, so that the supporting table 51 is ensured to be horizontally arranged; the two ends of the slideway 11 are respectively fixedly connected with a blocking block 12, and the blocking blocks 12 are used for preventing the sliding block 5 from sliding out of the slideway 11;

in one embodiment of the utility model, the slider 5 is provided with an inner groove 501; the inner tank 501 opening towards the aperture 15; the telescoping post 52 is located within the inner tank 501; a bayonet 502 and a through groove 503 are respectively formed on the side wall of the inner groove 501 facing the rebound button 53; the bayonet 502 is arranged between the through groove 503 and the opening 15;

in one embodiment of the present utility model, the telescoping column 52 includes a first column 521, a second column 522, and a third column 523; one end of the first column 521 is fixedly connected with one end of the second column 522; the other end of the second column 522 is fixedly connected with a third column 523; the diameters of the first column 521, the second column 522, and the third column 523 decrease in order; the first column 521 is clamped in the opening 15; one end of an elastic supporting piece 524 is fixedly connected to the side wall of the second column 522; the third post 523 is sleeved with a first spring 525; two ends of the first spring 525 are respectively abutted against one end of the second column 522 and the inner wall of the inner groove 501;

preferably, the first pole 521 has the same diameter as the inner diameter of the inner tank 501, and the first pole 521 is in clearance fit with the inner wall of the inner tank 501 to limit the expansion pole 52 as a whole and prevent it from being displaced inside the inner tank 501.

In one embodiment of the present utility model, two limiting plates 54 are fixedly connected to the sliding block 5; the two limiting sheets 54 are symmetrically arranged; a limiting groove 541 is formed in the middle of the two limiting sheets 54; the limit groove 541 is communicated with the through groove 503; one end of the rebound button 53 extends into the limit groove 541 and the through groove 503 respectively; the middle part of the extending end of the rebound button 53 is fixedly connected with a lug 532; the bump 532 is located in the limit groove 541; the extending end of the rebound button 53 is sleeved with a second spring 531; one side of the second spring 531 is abutted against the bump 532, the other side is abutted against the inner wall of the limit groove 541, and when the rebound button 53 is pressed, the bump 532 moves downwards, so that the second spring 531 positioned in the bump 532 is compressed, and the rebound button 53 can rebound to the initial position after being released.

In one embodiment of the present utility model, when the other end of the sliding first post 521 extends out of the opening 15, the other end of the elastic abutment piece 524 is located in the bayonet 502 and abuts against the inner wall of the bayonet 502; when the other end of the first column 521 extends into the inner groove 501, the other end of the elastic abutment piece 524 is located in the through groove 503 and abuts against the inner wall of the through groove 503 and the extending end of the rebound button 53, when the rebound button 53 is pressed down, the extending end of the rebound button 53 presses the elastic abutment piece 524 to make the other end thereof deviate from the through groove 503, and at this time, the whole telescopic column 52 is popped outwards under the action of the first spring 525, and the first column 521 returns to the outside of the opening 15.

In one embodiment of the present utility model, the support assembly 6 includes a first connection lug 62, a second connection lug 63, and a telescopic support rod 61; the first connecting lug 62 is fixedly connected to one side of the drawing board 1; the second connecting lug 63 is fixedly connected in the hollow cavity of the support plate 2; two ends of the telescopic supporting rod 61 are respectively and rotatably connected with the first connecting lug 62 and the second connecting lug 63; the telescopic support rod 61 is centrally mounted with a telescopic locking member 64.

In one embodiment of the utility model, the support assemblies 6 are symmetrically arranged in two.

In one embodiment of the utility model, the folding support leg 3 comprises a collar 31 and a telescopic support leg 32; one end of the telescopic supporting leg 32 is rotatably connected with the lantern ring 31, and the other end is fixedly connected with the positive magnetic block 34; one surface of the supporting plate 2 is fixedly connected with a negative magnetic block 23; the positive magnetic block 34 is arranged corresponding to the negative magnetic block 23; the positive magnet 34 is magnetically attracted to the negative magnet 23.

In one embodiment of the utility model, the middle part of the telescopic supporting leg 32 is fixedly connected with a damping ring 33; the damper ring 33 abuts against the end face of the support plate 2.

Preferably, three folding support legs 3 are provided, one of which is located below the middle of the support plate 2, and the telescopic support legs 32 are provided upwards; the other two folding support legs 3 are symmetrically arranged above the two sides of the middle folding support leg 3 by taking the middle folding support leg 3 as a center, and the telescopic support legs 32 of the two folding support legs 3 are obliquely arranged towards the middle telescopic support leg 32. The easel is stably supported by the least folding supporting legs 3, the space at the lower side of the supporting plate 2 is optimized, and the weight of the device is reduced so that the device is more convenient to carry.

In one embodiment of the utility model, two locking blocks 13 are fixedly connected to one side of the drawing board 1, which is positioned at the opposite side of the hinge 4; two lock catches 21 are fixedly connected to one side of the support plate 2, which is positioned on the opposite side of the hinge 4; the two latches 21 are respectively arranged corresponding to the two locking blocks 13 and are used for fixing the folded drawing board 1 and the support board 2.

In one embodiment of the utility model, a handle 22 is fixedly connected to one side of the support plate 2 opposite to the hinge 4; the handle 22 is arranged between the two catches 21 and is used for holding the folded device.

Working principle: when the device is required to be used for drawing operation in a default state, the telescopic support legs 32 at the lower side of the support plate 2 are rotated to be vertical, and the telescopic support legs 32 are extended to a proper position to integrally support the easel. Then the drawing board 1 is rotated to extend the telescopic supporting rod 61 to the longest, and the telescopic locking piece 64 is controlled to lock the telescopic supporting rod 61 so that the telescopic supporting rod 61 does not extend any more, and at the moment, the drawing board 1 is inclined at a certain angle, so that drawing is facilitated; the drawing paper 8 is mounted and clamped on the supporting table 51 at one side, the telescopic columns 52 at the two sides are pressed down, the elastic abutting piece 524 enters the through groove 503 to abut against the inner wall of the through groove 503, at the moment, the telescopic columns 52 are clamped in the inner groove 501, and the first springs 525 are compressed. The sliding block 5 is not clamped with the drawing board 1 any more, the sliding block 5 is moved to enable the other side of the drawing paper 8 to be just positioned at the elastic clamping piece 16, the rebound buttons 53 on the two sides are pressed down, the extending ends of the rebound buttons 53 squeeze the elastic supporting pieces 524, the other ends of the rebound buttons are separated from the through grooves 503, at the moment, the whole telescopic column 52 is outwards ejected under the action of the first springs 525, the other ends of the first columns 521 extend out of the openings 15, and the sliding block 5 is clamped with the drawing board 1 again. The telescopic column 52 is rebounded to the fixed sliding block 5 in the opening 15, and at the moment, the other end of the drawing paper 8 is clamped on the elastic clamping piece 16.

Example 1:

as shown in fig. 7 to 8, a plurality of openings 15 are provided on the back surface of the drawing side of the drawing board 1. When the position of the supporting table 51 needs to be adjusted, the two hands support the side face of the supporting table 51, the middle fingers of the two hands press the rear telescopic column 52 into the inner groove 501, the supporting table 51 is slid to a proper position, and the two thumbs press the rebound buttons 53 on the side face to enable the telescopic column 52 to rebound into the fixed sliding block 5 in the opening 15 and the supporting table 51.

The opening 15 in this embodiment is formed in the back surface, which will not affect the drawing side, so that the drawing board 1 has a larger space on the drawing side to accommodate the drawing paper 8 with a larger size.

Example 2

As shown in fig. 9, a plurality of openings 15 are provided on the front surface of the drawing side of the drawing board 1. When the position of the supporting table 51 needs to be adjusted, the two palms support the side face of the supporting table 51, the two thumbs press the telescopic column 52 into the inner groove 501, the supporting table 51 is slid to a proper position, whether the supporting table 51 is horizontal or not is observed at the moment, when the supporting table 51 is horizontal, the two forefingers press the rebound button 53 on the side face to enable the telescopic column 52 to rebound and enter the opening 15 to fix the sliding block 5 and the supporting table 51.

The opening 15 of the embodiment is arranged on the front surface, and occupies a certain space on the painting side, but is convenient for observing the position of the telescopic column 52 and pressing; and the rear side supporting component 6 of the drawing board 1 is not required to be arranged in a staggered manner with the open holes 15, and the supporting component 6 can be arranged at the two edges of the rear side of the drawing board 1 to provide a better supporting effect.

In the description of the present utility model, it should be understood that the terms "longitudinal," "transverse," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate or are based on the orientation or positional relationship shown in the drawings, merely to facilitate description of the present utility model, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present utility model.

The above embodiments are only illustrative of the preferred embodiments of the present utility model and are not intended to limit the scope of the present utility model, and various modifications and improvements made by those skilled in the art to the technical solutions of the present utility model should fall within the protection scope defined by the claims of the present utility model without departing from the design spirit of the present utility model.

Claims (8)

1. A portable folding canvas easel, comprising: drawing board (1), backup pad (2) and folding supporting leg (3); the drawing board (1) is connected with one side of the supporting board (2) through a hinge (4); a plurality of folding supporting legs (3) are fixedly connected to one surface of the supporting plate (2); a hollow cavity is formed in the other surface of the supporting plate (2); one end of a supporting component (6) is arranged in the hollow cavity; the supporting component (6) is fixedly connected with one surface of the drawing board (1); a supporting table (51) is sleeved on the other surface of the drawing board (1); an elastic clamping piece (16) is fixedly connected to one side of the supporting table (51) sleeved on the other side of the drawing board (1); the drawing paper (8) is clamped between the supporting table (51) and the elastic clamping piece (16);

a group of slide ways (11) are symmetrically arranged on two opposite sides of the drawing board (1); a sliding block (5) is connected in the sliding way (11) in a sliding way; two ends of the supporting table (51) are fixedly connected with corresponding positions of the two sliding blocks (5) respectively; the sliding block (5) is provided with a locking part; the locking parts on two sides are respectively clamped on the same height on two sides of one surface of the drawing board (1).

2. A portable folding canvas easel as claimed in claim 1, in which the locking portion comprises a telescopic post (52) and a rebound button (53); the rebound button (53) is arranged on one side of the sliding block (5) which faces to the side surface opening of the slideway (11); two hole groups are vertically and symmetrically arranged on two sides of one surface of the drawing board (1); the two hole groups are respectively arranged corresponding to the two slide ways (11); the set of holes comprises a number of openings (15); the telescopic columns (52) at the two sides are respectively clamped in the openings (15) at the same height at the two sides; two ends of the slideway (11) are fixedly connected with a blocking block (12) respectively;

the sliding block (5) is provided with an inner groove (501); -said inner tank (501) opening towards said aperture (15); -the telescopic column (52) is located within the inner tank (501); a bayonet (502) and a through groove (503) are respectively formed in the side wall of the inner groove (501) facing the rebound button (53); the bayonet (502) is arranged between the through groove (503) and the opening (15);

the telescoping column (52) comprises a first column (521), a second column (522), and a third column (523); one end of the first column (521) is fixedly connected with one end of the second column (522); the other end of the second column (522) is fixedly connected with the third column (523); the diameters of the first column (521), the second column (522) and the third column (523) decrease in sequence; -said first column (521) being lodged in said opening (15); one end of an elastic supporting piece (524) is fixedly connected to the side wall of the second column (522); the third column (523) is sleeved with a first spring (525); two ends of the first spring are respectively abutted against one end of the second column (522) and the inner wall of the inner groove (501);

two limiting sheets (54) are fixedly connected to the sliding block (5); the two limiting sheets (54) are symmetrically arranged; a limiting groove (541) is formed in the middle of each limiting piece (54); the limit groove (541) is communicated with the through groove (503); one end of the rebound button (53) extends into the limit groove (541) and the through groove (503) respectively; the middle part of the extending end of the rebound button (53) is fixedly connected with a lug (532); the convex blocks (532) are positioned in the limit grooves (541); the rebound button (53) stretches into the end to be sleeved with a second spring (531); one side of the second spring (531) is abutted against the convex block (532), and the other side is abutted against the inner wall of the limit groove (541);

when the other end of the first column (521) extends out of the opening (15), the other end of the elastic abutting piece (524) is positioned in the bayonet (502) and abuts against the inner wall of the bayonet (502); when the other end of the first column (521) stretches into the inner groove (501), the other end of the elastic supporting piece (524) is positioned in the through groove (503) and is in contact with the inner wall of the through groove (503) and the stretching end of the rebound button (53).

3. A portable folding canvas easel as claimed in claim 1, in which the support assembly (6) comprises a first connection lug (62), a second connection lug (63) and a telescopic support rod (61); the first connecting lug (62) is fixedly connected to one side of the drawing board (1); the second connecting lug (63) is fixedly connected in the hollow cavity of the supporting plate (2); two ends of the telescopic supporting rod (61) are respectively and rotatably connected with the first connecting lug (62) and the second connecting lug (63); and a telescopic locking piece (64) is arranged in the middle of the telescopic supporting rod (61).

4. A portable folding canvas easel as claimed in claim 3, in which the support members (6) are symmetrically arranged in two.

5. A portable folding canvas easel as claimed in claim 1, in which the folding support leg (3) comprises a collar (31) and a telescopic support leg (32); one end of each telescopic supporting leg (32) is rotationally connected with the corresponding lantern ring (31), and the other end of each telescopic supporting leg is fixedly connected with a positive magnetic block (34); one surface of the supporting plate (2) is fixedly connected with a negative magnetic block (23); the positive magnetic block (34) is arranged corresponding to the negative magnetic block (23); the positive magnetic block (34) and the negative magnetic block (23) are magnetically adsorbed.

6. The portable folding canvas easel according to claim 5, wherein the middle part of the telescopic supporting leg (32) is fixedly connected with a damping ring (33); the damping ring is abutted with the end face of the supporting plate (2).

7. The portable folding oil painting easel according to claim 1, characterized in that two locking blocks (13) are fixedly connected to one side of the drawing board (1) positioned on the opposite side of the hinge (4); two lock catches (21) are fixedly connected to one side of the support plate (2) positioned on the opposite side of the hinge (4); the two lock catches (21) are respectively arranged corresponding to the two lock blocks (13).

8. The portable folding canvas easel as claimed in claim 7, wherein a handle (22) is fixedly connected to one side of the support plate (2) opposite to the hinge (4); the handle is arranged between the two lock catches (21).

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