CN216453936U - Fast-assembling combination easel and use its easel structure - Google Patents

Abstract

The utility model provides a fast-assembly combined easel and an easel structure applying the same, which comprise a middle shaft assembly and two groups of drawing board brackets which are symmetrical up and down and can be arranged on the middle shaft assembly in a sliding way, wherein the two drawing board brackets are matched to clamp and fix the upper and lower sides of drawing boards with different sizes; through setting up the centre shaft frame subassembly of quick detach equipment and two upper and lower drawing board brackets of demountable sliding mounting on centre shaft frame subassembly, but realize that the easel structure simplifies optimization and quick detach and accomodate, conveniently go out to carry, and through the first connecting portion of configuration, realize that combination easel installs fast on easel bases such as tripod in order to supply to draw the use, easel structure optimization and stability are strong, satisfy the creation demand of big or small multiple size drawing, it is big to have solved the easel size that exists among the prior art, inconvenient dismantlement and accomodate technical problem such as carrying.

Description

Fast-assembling combination easel and use its easel structure

Technical Field

The utility model relates to the technical field of drawing sketching tools, in particular to a quick-assembly combined easel and an easel structure applying the same.

Background

The easel is a shelf used for placing a drawing board during drawing. According to the type, the foldable stand can be divided into a tripod, a quadrangular frame, a drawing (telescopic) frame, a folding frame and the like; the material can be divided into a wood frame, a metal frame, a plastic frame and the like; can be divided into common easels and oil easels according to the purpose.

Chinese utility model patent CN201820315372.7 discloses a novel easel fixing device, which comprises an easel supporting rod, an upper beam, an easel supporting column, a drawing board supporting rod, a lower beam, a supporting connecting rod and an easel supporting rod, the two sides of the upper beam are connected with the upper parts of the easel supporting rods, the two sides of the lower beam are connected with the lower parts of the easel supporting rods, the easel supporting rods are symmetrically arranged, the top parts of the easel supporting rods are connected with the upper cross beam, the bottom parts of the easel supporting rods are connected with the lower cross beam, the two sides of the drawing board supporting rods are connected with the easel supporting rods through ring screws, the drawing board supporting rods slide on the easel supporting rods, the middle parts of the drawing board supporting rods are connected with lower fixing sleeves, the lower fixing sleeve is embedded in the supporting rod of the drawing board, the lower part of the easel supporting column is connected inside the lower fixing sleeve, the lower fixing sleeve slides on the easel supporting column, the lower part of the easel supporting column is provided with a lower dovetail chute, the lower fixing sleeve is internally provided with a lower dovetail bulge, the lower dovetail protrusion is matched with the lower dovetail sliding groove and connected with the lower dovetail sliding groove.

However, in the prior art, the size of the easel is large, and the easel is inconvenient to disassemble and store, so that the easel is inconvenient to carry when going out.

SUMMERY OF THE UTILITY MODEL

Aiming at the defects of the prior art, the utility model provides a quick-assembly combined easel and an easel structure applying the quick-assembly combined easel, wherein a middle shaft frame component capable of being quickly disassembled and assembled is arranged, an upper drawing board bracket and a lower drawing board bracket are detachably and slidably mounted on the middle shaft frame component, the easel structure is simplified, optimized, quickly disassembled and stored, and is convenient to carry outside.

In order to achieve the purpose, the utility model provides the following technical scheme:

a fast-assembly combined easel comprises a middle shaft frame assembly and two groups of drawing board brackets which are symmetrical up and down and are slidably mounted on the middle shaft frame assembly, wherein the two drawing board brackets are matched to clamp and fix the upper and lower sides of drawing boards with different sizes.

Preferably, the middle axle frame assembly comprises at least two middle axle rods and a first connecting part, and the at least two middle axle rods are detachably and linearly connected through the first connecting part; the drawing board bracket is detachably mounted on the middle shaft rod.

Preferably, a first screw hole is fixedly arranged at the connecting end of the middle shaft rod, and at least two first through holes for a first screw to pass through are formed in the first connecting part; during assembly, the first screw correspondingly penetrates through the first through hole and is screwed in the first screw holes of the two middle shaft rods to be connected.

Preferably, the first connecting portion is provided with a clamping groove channel matched with the width of the middle shaft rod along the length direction, and the middle shaft rod can be matched, clamped and limited in the clamping groove channel.

Preferably, the drawing board bracket comprises a supporting part for supporting the back of the drawing board and a clamping part which extends outwards from the surface of the supporting part and is used for supporting or fixing the edge part of the drawing board in an interference mode.

Preferably, the supporting portion and the clamping portion are integrally formed, and the clamping portion is formed by partially or completely turning over one edge of the supporting portion; one side of the clamping part, which is in contact with the drawing board, is provided with a sawtooth structure;

preferably, the side surface of the middle shaft rod is provided with a mounting slide way along the length direction, the mounting slide way is slidably clamped with a screw hole seat with a second screw hole, the drawing board bracket is provided with a second through hole for a second screw to pass through, and during assembly, the second screw passes through the second through hole and is screwed in the second screw hole.

Preferably, the middle part of the drawing board bracket is provided with a limit buckle which can be matched and clamped in the installation slide way.

Preferably, the top end of the middle shaft rod along the length direction is provided with a third screw hole for mounting a fitting.

The utility model also provides an easel structure, which comprises an easel base and any one of the quickly assembled combined easels detachably arranged on the easel base; when the middle shaft frame assembly is installed, the middle shaft frame assembly and the easel base are connected through an additional first connecting portion, and the middle shaft frame assembly can slide on the additional first connecting portion to adjust the height.

The utility model has the beneficial effects that:

(1) the easel structure is simplified and optimized, the upper and lower easel brackets are detachably and slidably mounted on the middle axle frame assembly, the easel structure is simplified and optimized, can be quickly disassembled and stored, and is convenient to carry, the combined easel is quickly mounted on easel bases such as a tripod and the like for use in drawing by configuring an additional first connecting part, the easel structure is optimized, the stability is strong, and the creation requirements of drawing in various sizes are met;

(2) the assembly structure is high in stability and strength, and the limit in the length direction is carried out at the joint of the middle shaft rod and the first connecting part by arranging the clamping channel, so that the phenomenon that the whole structure is unstable and shakes after connection and combination is avoided; in addition, the drawing board bracket can be kept horizontal all the time by arranging the limiting buckle, and the drawing board bracket is prevented from rotating due to the fact that the bearing is too large, so that the drawing board is prevented from falling obliquely.

In conclusion, the drawing box has the advantages of simplicity, portability, high structural strength, high use stability and the like, and is particularly suitable for the technical field of drawing sketching tools.

Drawings

FIG. 1 is a first schematic view of the fast-assembling combined easel assembly structure of the present invention;

FIG. 2 is a disassembled view of the fast-assembled combined easel component according to the present invention;

FIG. 3 is a second schematic view of the fast-assembling combined easel assembly structure of the present invention;

FIG. 4 is an enlarged view at C of FIG. 2;

FIG. 5 is a schematic structural diagram of a palette bracket of the present invention;

FIG. 6 is a schematic diagram of a clamping state structure of the drawing board of the present invention;

FIG. 7 is a schematic view of the easel structure according to the present invention in use;

FIG. 8 is a schematic view of the connection structure of the quick-assembly combined easel and the easel base according to the utility model.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the equipment or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.

Example one

As shown in fig. 1, the fast-assembly combined easel comprises a central shaft assembly 1 and two groups of drawing board brackets 2 which are vertically symmetrical and slidably mounted on the central shaft assembly 1, wherein the two drawing board brackets 2 are matched to clamp and fix the upper and lower sides of drawing boards with different sizes.

In this embodiment, through setting up middle shaft bracket assembly 1 as the structural support main part, two drawing board brackets 2 about the slidable sets up on middle shaft bracket assembly 1 again, through adjusting the distance between two drawing board brackets 2 to the realization presss from both sides tight fixedly to unidimensional drawing board, this combination easel structure is simplified, and intensity is high, and clamping stability is good, can bear the weight of great drawing board and realize stabilizing the centre gripping, can satisfy the creation demand of painter user to the multiple size painting of size.

Preferably, as shown in fig. 2 to 3, the bottom bracket assembly 1 includes at least two middle axles 3, and further includes a first connecting portion 4, and at least two middle axles 3 are detachably and linearly connected through the first connecting portion 4.

Middle shaft bracket assembly 1 in this embodiment sets up to the split type structure of compriseing axostylus axostyle 3 and first connecting portion 4 in a plurality of roots, realizes dismantling linear connection through first connecting portion 4 between the middle shaft pole 3, disassembles longer middle shaft bracket assembly 1 into multi-component concatenation form, can dismantle fast and accomodate, conveniently goes out to carry or the commodity circulation transportation.

In a preferred embodiment, the middle shaft rod 3 is provided in two pieces, each of which has a length of 50 cm.

Preferably, the middle shaft 3 and the first connecting portion 4 are fixedly connected through screws.

Specifically, as shown in fig. 4, a first screw hole 31 is fixedly disposed at a connecting end of the middle shaft rod 3, and at least two first through holes 41 for a first screw 40 to pass through are disposed on the first connecting portion 4; when assembled, the first screw 40 is correspondingly inserted through the first through hole 41 and screwed into the first screw hole 31 of the two middle shafts 3 to be connected.

In a preferred embodiment, two sets of the first through holes 41 are distributed along the length direction of the first connection portion 4, and two first screws 40 are provided for each first connection portion 4. During assembly, one first screw 40 is taken to penetrate through one of the first through holes 41 and then screwed tightly into the first screw hole 31 on one of the middle shaft rods 3 to be connected, and the other first screw 40 is taken to penetrate through the other first through hole 41 and then screwed tightly into the first screw hole 31 on the other of the middle shaft rods 3 to be connected, so that the assembly of the two middle shaft rods 3 is completed.

Preferably, as shown in fig. 5, the drawing board bracket 2 includes a supporting portion 21 for supporting the back of the drawing board, and a clamping portion 22 extending outward from the surface of the supporting portion 21 and used for supporting or fixing the edge of the drawing board; the side of the clamping portion 22 contacting the drawing board is provided with a saw-toothed structure 220.

In this embodiment, as shown in fig. 6, two of the drawing board brackets 2 support the back of the drawing board together by providing the supporting portions 21, the drawing board bracket 2 located below supports the bottom edge of the drawing board by providing the clamping portions 22, and the drawing board bracket 2 located above presses the top edge of the drawing board, so that the drawing board is clamped and fixed together by matching with the drawing board bracket 2 located below.

Preferably, the supporting portion 21 and the clamping portion 22 are integrally formed, and the clamping portion 22 is formed by partially or entirely folding one side of the supporting portion 21 outward.

In this embodiment, drawing board bracket 2 is integrated into one piece structure, and the appearance is pleasing to the eye and structural strength is big, can bear great weight during the use, can not scatter.

Preferably, the palette holder 2 is detachably mounted on the middle shaft 3.

Specifically, as shown in fig. 6, a mounting slide 32 is formed on a side surface of the middle shaft rod 3 along the length direction, a screw hole seat with a second screw hole 33 is slidably clamped in the mounting slide 32, a second through hole 23 through which the second screw 20 passes is formed in the drawing board bracket 2, and when the drawing board bracket is assembled, the second screw 20 passes through the second through hole 23 and is screwed in the second screw hole 33.

In this embodiment, by providing a mounting slide 32 on the middle shaft rod 3 and slidably providing a screw seat in the mounting slide 32, the drawing board bracket 2 is detachably mounted in the second screw hole 33 of the screw seat through the second screw 20 to realize the assembly of the drawing board bracket 2 and the middle shaft frame assembly 1.

In addition, it should be noted that, when the second screw 20 is screwed to the bottom until the second screw 20 abuts against the bottom surface of the mounting slide 32, the palette bracket 2 can be mounted and fixed on the middle shaft lever 3; the second screw 20 is slightly unscrewed, so that when the screw hole seat is loosened to be capable of sliding in the installation slide way 32, the position of the picture board bracket 2 can be adjusted in a sliding manner, and the installation, the fixation and the position adjustment operation are very convenient.

Example two

The same or corresponding components in this embodiment as those in the first embodiment are denoted by the same reference numerals as those in the first embodiment, and only the points of difference from the first embodiment will be described below for the sake of convenience. The second embodiment is different from the first embodiment in that:

preferably, as shown in fig. 4, the first connecting portion 4 is provided with an engaging groove 42 adapted to the width of the middle shaft 3 along the length direction, and the middle shaft 3 can be engaged and limited in the engaging groove 42.

In this embodiment, through setting up block channel 42, can carry out spacing on the length direction in the junction of axis pole 3 and first connecting portion 4, avoid connecting the unstable problem that easily takes place to rock about taking place of combination back overall structure to improve package assembly's overall stability and intensity.

Preferably, as shown in fig. 5-6, the middle part of the drawing board bracket 2 is provided with a stop buckle 24 which can be matched and clamped in the mounting slide way 32.

In this embodiment, through spacing knot 24, when drawing board bracket 2 is installed, locate installation slide 32 with the spacing card of spacing knot 24 earlier and realize the location, the rethread screw is fixed, when using, because drawing board bracket 2 need bear the weight of drawing board, through setting up spacing knot 24, can be so that drawing board bracket 2 remains the level throughout, avoids the too big drawing board bracket 2 that leads to of bearing to take place to rotate and lead to the drawing board slope to drop.

EXAMPLE III

The same or corresponding components in this embodiment as those in the first embodiment are denoted by the same reference numerals as those in the first embodiment, and only the points of difference from the first embodiment will be described below for the sake of convenience. The third embodiment is different from the first embodiment in that:

preferably, as shown in fig. 2, a third screw hole 35 for fitting a fitting is opened at a top end of the middle shaft 3 in the longitudinal direction.

In this embodiment, can be according to drawing the picture needs accessories such as assembly umbrella in third screw 35, satisfy the rainy day and draw the picture needs, the practicality is strong.

Example four

The same or corresponding components in this embodiment as those in embodiment one are given the same reference numerals as those in embodiment one to three, and only the points of difference from embodiment one will be described below for the sake of convenience. The fourth embodiment is different from the first to third embodiments in that:

an easel structure, as shown in fig. 7, comprises an easel base 5, and further comprises any one of the fast-assembling combined easels described above, which is detachably mounted on the easel base 5; when the easel is installed, the middle easel assembly 1 is connected with the easel base 5 through an additional first connecting portion 4, and the middle easel assembly 1 can slide on the additional first connecting portion 4 to adjust the height.

In a preferred embodiment, the first connecting portions 4 are provided in two sets, one set is used for connecting two middle shafts 3, the other set is used for connecting the middle shaft assembly 1 and the easel base 5, the first screws 40 are provided with at least 3 screws, and an accessory a for connecting the first connecting portions 4 and the easel base 5 is further provided.

In this embodiment, when the fast-assembly combined easel is connected to the easel base 5, as shown in fig. 8, a first screw 40 is used to connect the first connecting portion 4 and the middle shaft rod 3 according to the installation method of the easel bracket 2 of the embodiment, and then the accessory a is fixed by passing through the first through hole 41, and then the accessory a is fixed in the clamping groove of the easel base 5 in a matching and clamping manner, thereby completing the assembly of the fast-assembly combined easel and the easel base 5.

As a preferred embodiment, the middle shaft rod 3 is configured as a rectangular column structure, the mounting slideways 32 are arranged on four sides of the middle shaft rod, the screw hole seat is arranged in one of the mounting slideways 32, and the first screw hole 31 is fixedly arranged in the mounting slideway 32 opposite to the screw hole seat.

The working steps are as follows:

when assembling:

taking a first connecting part 4, clamping a clamping channel 42 of the first connecting part at the connecting end part of the middle shaft rod 3 in a matching way, matching and using a first screw 40 to linearly connect and fix each middle shaft rod 3, and then screwing and fixing two drawing board brackets 2 in a second screw hole 33 of the middle shaft rod 3 through second screws 20 in sequence to finish the assembly of the easel main body;

and then taking another first connecting part 4, screwing the other first connecting part 4 with a second screw hole 33 on the middle shaft rod 3 through a first screw 40, installing and fixing the accessory a into another first through hole 41 of the first connecting part 4, and clamping and fixing the accessory a into a clamping groove of the easel base 5 to complete the assembly of the whole easel structure.

When in use:

after the position of the drawing board bracket 2 above the drawing board is adjusted in a sliding mode according to the size of the drawing board, the drawing board is clamped and fixed through the upper drawing board bracket 2 and the lower drawing board bracket 2, and the height of the shaft bracket assembly can be adjusted in a sliding mode according to needs.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the utility model, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.

Claims (9)

1. A fast-assembly combined easel is characterized by comprising a middle shaft frame assembly (1) and two groups of drawing board brackets (2) which are symmetrical up and down and can be slidably mounted on the middle shaft frame assembly (1), wherein the two drawing board brackets (2) are matched to clamp and fix the upper and lower sides of drawing boards (10) with different sizes;

the middle shaft bracket assembly (1) comprises at least two middle shaft rods (3) and a first connecting part (4), and the at least two middle shaft rods (3) are detachably and linearly connected through the first connecting part (4); the drawing board bracket (2) is detachably mounted on the middle shaft lever (3).

2. The quick-assembly combined easel according to claim 1, wherein the connecting end of the middle shaft lever (3) is fixedly provided with a first screw hole (31), and the first connecting portion (4) is provided with at least two first through holes (41) for a first screw (40) to pass through; when the connecting device is assembled, the first screw (40) correspondingly penetrates through the first through hole (41) and is screwed into the first screw hole (31) of the two middle shafts (3) to be connected.

3. The quick-assembly combined easel according to claim 1, wherein the first connecting portion (4) is provided with a clamping groove (42) along the length direction, the clamping groove is adapted to the width of the middle shaft lever (3), and the middle shaft lever (3) can be matched, clamped and limited in the clamping groove (42).

4. A quick-assembly easel according to claim 1 and further characterised in that the easel bracket (2) includes a support (21) for supporting the back of the easel (10) and a clamp (22) extending outwardly from the surface of the support (21) for supporting or interference securing the edge of the easel (10).

5. A quick-assembling combined easel according to claim 4, characterized in that the supporting portion (21) is integrally formed with the clamping portion (22), and the clamping portion (22) is formed by partially or totally folding one side of the supporting portion (21) outwards; one side of the clamping part (22) contacting with the drawing board (10) is provided with a sawtooth-shaped structure (220).

6. The quick-assembly combined easel according to claim 1, wherein a mounting slide way (32) is formed in the side surface of the middle shaft lever (3) along the length direction, a screw hole seat with a second screw hole (33) is slidably clamped in the mounting slide way (32), a second through hole (23) for a second screw (20) to pass through is formed in the drawing board bracket (2), and the second screw (20) passes through the second through hole (23) and is screwed in the second screw hole (33) during assembly.

7. The quick-assembly combined easel according to claim 6, wherein the middle part of the drawing board bracket (2) is provided with a limit buckle (24) which can be matched and clamped in the mounting slide way (32).

8. The quick-assembly combined easel according to claim 2, characterized in that the top end of the middle shaft lever (3) along the length direction is provided with a third screw hole (35) for mounting fittings.

9. An easel structure comprising an easel base (5), and further comprising a quick assembled combination easel as described in any one of claims 1-8 removably mounted on said easel base (5); during installation, the middle shaft bracket assembly (1) is connected with the easel base (5) through an additional first connecting part (4), and the middle shaft bracket assembly (1) can slide on the additional first connecting part (4) to adjust the height.

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