KR101825523B1

KR101825523B1 - Canvas frame

Info

Publication number: KR101825523B1
Application number: KR1020160036586A
Authority: KR
Inventors: 김길홍
Original assignee: 김길홍
Priority date: 2016-03-28
Filing date: 2016-03-28
Publication date: 2018-02-05
Also published as: KR20170111333A

Abstract

The present invention eliminates picture damage and shape deformation caused by moisture and humidity changes, which are disadvantages of a conventional canvas frame made of only wood, and is robust, lightweight, and simplified in assembly structure, thereby reducing the number of components required for assembly and assembly time And to provide a canvas frame for reducing manufacturing costs.
To this end, the present invention provides a main body frame comprising: a main frame formed of a rigid material and constituting a rectangular frame having a hollow portion; A reinforcement frame provided in the hollow portion of the main frame in the lateral and longitudinal directions to reinforce the rigidity of the main frame; And a cruciform fixing bracket disposed at a crossing intersection of the reinforcing frame installed in the lateral and longitudinal directions for reinforcing the inner hollow portion of the main frame to simultaneously support the reinforcing frame in left and right and up and down directions Provide a canvas frame.

Description

Canvas Frame {CANVAS FRAME}

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a canvas frame, and more particularly to a structure improvement of a canvas frame used for fixing an art canvas and the like.

Canvas is a flat textile used to make sturdy sails, tents, backpacks, or oil paintings on paintings. It comes from the cannabis, which means "hemp" in Latin. The canvas is a canvas Is also called art canvas or canvas.

Normally the canvas draws paintings on paintings of Western paintings and oil paintings, which are combined with a canvas frame, which is a square frame.

Conventionally, in fixing the canvas to the canvas frame, the outer edge of the canvas is fixed by being pulled to a canvas frame mainly made of wood. The canvas is fixed so that the canvas paper is held in a tightly pulled state, And an iron core and a pushpin are used.

Therefore, although the canvas frame for fixing the canvas is generally made of wood, the canvas frame made of wood is a main cause of picture damage such as discoloration and contamination of the picture.

The reason for this is that the moisture content of the wood varies depending on the humidity in the atmosphere due to the nature of the material, and thus the moisture contained in the wood is discharged to the outside according to the influence of the external environment. Because. Particularly, the damage of the picture tends to be further intensified due to the moisture discharged from the above-mentioned wood in the close contact portion of the canvas and the canvas frame.

On the other hand, conventional canvas frames made of wood have drawbacks that it is difficult to maintain the shape of the canvas frame due to the change of the external environment such as temperature and humidity.

Therefore, in order to solve the problems of the canvas frame made of wood, a coating layer such as varnish for preventing penetration of moisture or the like on the surface is formed by chemical treatment or the like to improve the problem. However, There was also a problem that the effect decreased.

On the other hand, the conventional canvas frame made of wood has a lot of processes such as sorting, drying, and surface treatment of wood in the manufacturing process due to the characteristics of the wood, and the production depends largely on manual production, There was also a problem such as increasing.

In recent years, a canvas frame made of a metal material has been proposed to solve the problem of a canvas frame made of a wood. In the patent registration No. 1226698, a second frame made of wood is attached to the rear surface of a first frame made of a metal material having a hollow, A first frame of a metal material and a second frame for fixing a canvas paper are combined using a bolt or the like.

In the canvas frame of the metal material disclosed in the patent registration No. 1226698, the picture drawn on the canvas does not touch the second frame, which is the wooden part, so that damage to the picture due to the moisture discharged from the wood can be prevented.

However, the canvas frame of the metal material disclosed in the patent registration No. 1226698 has various problems due to its structural characteristics, and has a disadvantage that the manufacturing process is complicated and the manufacturing time and manufacturing cost of the canvas frame are increased.

Korean Registered Patent No. 10-1226698 (Jan. 21, 2013)

Disclosure of Invention Technical Problem [10] The present invention has been made to solve the above problems, and it is an object of the present invention to solve the drawbacks of the canvas frame made of the existing wood only, Which can reduce the number of components and assembling costs, and reduce manufacturing costs.

According to an aspect of the present invention, there is provided a main frame including a main frame formed of a rigid material and having a hollow portion; A reinforcement frame provided in the hollow portion of the main frame in the lateral and longitudinal directions to reinforce the rigidity of the main frame; And a cruciform fixing bracket disposed at a crossing intersection of the reinforcing frame installed in the lateral and longitudinal directions for reinforcing the inner hollow portion of the main frame to simultaneously support the reinforcing frame in left and right and up and down directions And a canvas frame.

In the above-described configuration, the main frame is composed of upper, lower, left, and right frames, and the upper, lower, left, and right frames are cut at both ends by 45 degrees. On the cut surface, There is provided a corner hitch insertion groove into which an 'L' shaped corner hitch is inserted to allow the corner hitch to extend from the side of the corner where they meet.

In the above-described configuration, a flange is provided at an entrance of the corner hitch insertion groove so as to prevent the corner hitch from being directly forward or rearward of the main frame.

In the above-described configuration, a screw fastening hole for fastening a tongue screw is formed on the corner connecting tongue, and a length of the tongue screw fastened to the screw fastening hole is formed such that the upper end surface thereof does not protrude outside the flange do.

On the other hand, in the above-described configuration, the upper, lower, left, and right frames are further provided with a wooden joining groove into which the canvas fixing wood is inserted and coupled.

In the above-described construction, projections for improving the coupling force with wood are provided on the left and right inner surfaces of the wooden joint groove.

In the above-described structure, the cross-shaped fixing bracket is a structure comprising a bottom surface of a cruciform shape and a side wall surface projecting in a direction orthogonal to the bottom edge of the cruciform, wherein the reinforcing frame member crossing the left and right sides of the main frame, And a cross-shaped groove for aligning the reinforcing frame member that crosses the upper and lower sides.

Meanwhile, in the above-described configuration, the reinforcing frame and the cruciform fixing bracket may be made of a metal material, for example, made of aluminum to reduce weight.

Meanwhile, the reinforcing frame and the cruciform fixing bracket may be made of a high-strength plastic material, for example, a high-strength engineering plastic material.

Effects of the canvas frame of the present invention are as follows.

The canvas frame according to the present invention can eliminate a drawback and a shape deformation which are disadvantages of a canvas frame made of a conventional wood by fabricating a base frame made of a material having rigidity and no shape deformation due to moisture or humidity change.

In the canvas frame according to the present invention, when the main frame and the reinforcing frame are made of aluminum, it is possible to provide a canvas frame which is robust and light.

In the canvas frame according to the present invention, the main frame and the reinforcing frame are made of a lightweight material such as an aluminum material, and are basically lightweight. The cross-shaped fixing bracket supporting the intersection of the reinforcing frame is made of steel, Inexpensive and durable steel can be applied to improve bearing capacity and cost reduction

In the canvas frame according to the present invention, the main frame, the reinforcing frame, the cruciform fixing bracket, and the like can be made of high-strength engineering plastic. In this case, the canvas frame can prevent corrosion and improve the strength and quality, And mass production of standardized products.

Meanwhile, since the canvas frame according to the present invention simplifies the assembling structure, it is possible to reduce the number of parts required for assembling and the number of assembling steps between the parts, thereby saving time and cost for manufacturing.

1 is a front view of a canvas frame according to the present invention;
Fig. 2 is a rear view of Fig. 1
3 is an exploded perspective view of a canvas frame according to the present invention.
Fig. 4 is a cross-sectional view taken along the line I-I in Fig.
5 is a view showing a state in which a canvas is coupled to the canvas frame of Fig. 4
6 (a) to 6 (b) are enlarged views showing the operation of the portion 'A' in FIG. 4,
(A) shows the state before assembly
(B) is a state diagram after the completion of the assembly of the dowel screw, in which the corner hitch is in close contact with the flange inner wall
7 is a view showing another cross-sectional structure of a main frame according to the present invention;

Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings.

FIG. 1 is a front view of a canvas frame according to the present invention, FIG. 2 is a rear view of FIG. 1, and FIG. 3 is an exploded perspective view of a canvas frame according to the present invention.

4 is a cross-sectional view taken along a line I-I in Fig. 2, Fig. 5 is a view showing a state in which a canvas is coupled to the canvas frame in Fig. 4, (A) is a state before assembly of a tongue screw, and (b) is a state after completion of assembly of a tongue screw, in which the corner hitch is in close contact with the flange inner wall.

In the following description, the upper, lower, left and right frames 10a, 10b, 10c, and 10d refer to frames of a cut part state before being assembled, 10b, 10c, 10d of the lower, left, and right frames 10a, 10b, 10c, 10d are assembled to form a frame body.

1 to 6, the canvas frame according to the present embodiment is formed of a lightweight and rigid aluminum material of a predetermined rigidity and includes upper, lower, left, and right frames 10a, 10b, 10c, and 10d A main frame 1 constituted by a main frame 1 and a main frame 2 which are assembled by a main frame 1 and constitute a square frame having a hollow portion and the above-mentioned upper, lower, left and right frames 10a, 10b, 10c and 10d, 1 reinforced rigid frame 2 reinforcing the rigidity of the frame. 1 to 3, the main frame 1 includes upper, lower, left, and right frames 10a, 10b, 10c, and 10d that are assembled to form the above- And the reinforcing frame 10 is provided on the inner hollow portion of the main frame 1.

The reinforcing frame 2 is provided at the intersecting positions of the reinforcing frame 2 installed in the lateral and longitudinal directions for reinforcement in the inner hollow portion of the main frame 1, Shaped cross bracket 3 is provided.

The cruciform fixing bracket 3 is a structure consisting of a bottom surface of a cruciform shape and a side wall surface rising in a direction orthogonal to the bottom edge of the cruciform structure. The reinforcing frame member crosses the right and left sides of the main frame 1, And cross-shaped grooves for aligning the reinforcing frame members crossing the upper and lower sides are provided.

3, the upper and lower frames 10a, 10b, 10c, and 10d are cut at both ends of the frame at an angle of 45 degrees, On the cut surface, corner hinge insert grooves 110a and 110b (see FIG. 1) are formed in which an L-shaped corner hinge 4 for connecting each frame 10a, 10b, 10c, .

On the cut surfaces of the upper, lower, left, and right frames 10a, 10b, 10c, and 10d, the end portion of the wooden joining groove 120 into which the canvas fixing wood 5 is inserted and coupled is exposed .

That is, the wooden joining groove 120 is a long groove along the longitudinal direction of the frame when viewed from the rear of each of the upper, lower, left, and right frames 10a, 10b, 10c, The end portions of the wood joint grooves 120 are exposed on the cut surfaces of the upper, lower, left, and right frames 10a, 10b, 10c, and 10d.

The upper, lower, left, and right frames 10a, 10b, 10c, and 10d are made of aluminum and have a hollow hollow structure in a cross-sectional structure. The corner hinge insertion grooves 110a, 110b and wood joining recesses 120,

The corner coupling grooves 110a and 110b are disposed on the front and rear surfaces of the frame, respectively. The wooden coupling grooves 120 are disposed on the rear surface of each frame, And is disposed at an inner position of the hinge insertion groove 110b.

Also, the reinforcing frame 2 may be made of aluminum, and the cross-sectional structure may be a hollow hollow pipe structure.

The cross-shaped fixing bracket 2 may also be made of aluminum.

4 and 5, the corner hitches 4 are provided at the openings of the corner hitch insert grooves 110a and 110b in front of or behind the main frame 1 A flange 100 acting as a latching jaw against the corner hitch 4 is provided so as not to come out directly in a direction perpendicular to the direction of the axis.

That is, in a state in which the corner hitches 4 are fitted into the openings of the corner hitch insertion grooves 110a, 110b along the longitudinal direction of the frame with the corner hitch insertion grooves 110a, 110b, The flange 100 is provided to prevent the corner hitches 4 from coming out directly in front of or behind the main frame 1 (i.e., in a direction orthogonal to the longitudinal direction of the frame).

A plurality of projections 120a may be provided on the left and right inner surfaces of the wooden joining groove 120 disposed on the rear surface of each frame so that the wood 5 having a rectangular cross- The protrusions 120a can not be removed from the wood joining recess 120 due to the interference action of the protrusions 120a and are firmly coupled to the wood joining recess 120. [

Spacers 130 are formed at the edges of the upper, lower, left, and right frames 10a, 10b, 10c, and 10d to prevent the canvas C from being in close contact with the front surfaces of the frames.

The assembling process and operation of the canvas frame according to the present invention constructed as described above are as follows.

The canvas frame of the present invention cuts the ends of the upper, lower, left, and right frames 10a, 10b, 10c, and 10d of the main frame 1 into a predetermined angle (for example, 45 degrees) , And the canvas fixing wood 5 having a rectangular cross section is cut at a predetermined angle (for example, 45 degrees) and inserted into the wood joint groove 120, and the end portions of the frames constituting the horizontal and vertical portions are abutted to each other, Shaped main body frame 1 by assembling them through the L '-shaped corner hitches 4.

On the other hand, in the state where the reinforcing frame 2 is arranged in the inner alignment groove of the cross-shaped fixing bracket 3 separately from the main frame 1, the reinforcing frame 2 (see FIG. 3) 2) and cross bracket (3) are fastened together.

Then, the reinforcement frame 2 fastened to the cruciform fixing bracket 3 is disposed with respect to the center of the hollow portion of the main frame 1, and then the reinforcing frame 2 is fastened to the reinforcing frame 2 through the front and rear surfaces, So that the upper and lower ends, left and right end portions of the main body 2 are fixed on the main frame 1.

At this time, the fastening screw 6 can be fastened to the main frame 1 and the reinforcing frame 2 by the pressure exerted by the tool due to the nature of the aluminum material, even if no separate threaded through holes are formed on the main frame 1 and the reinforcing frame 2. [ A through hole for screw fastening may be formed in advance on the main frame 1 and the reinforcing frame 2 or a notch may be provided on the screw portion of the fastening screw 6 to fasten the fastening screw 6 It can be easily done.

In the above description, the corner connecting bar is an 'L' shaped structure, and both arm portions branched in the orthogonal direction are inserted into the corner connecting groove inserting grooves 110a and 110b, A headless screw 8 (that is, a screw with no head) is inserted into the corner hitch insertion grooves 110a and 110b as shown in FIG. The corner hitch 4 is brought into close contact with the inner side surface of the flange 100 serving as a latching jaw to prevent the corner hitch 4 from coming off as shown in FIG. As shown in FIG.

In other words, the flange 100 prevents the corner hitches 4 from falling out of the frame forward and backward, and at the same time, the rotation of the tongue screw 8 at the time of fastening the tongue screw 8, The corner hitch 4 is brought into contact with the inner surface of the flange 100 by receiving the surface pressure F (see (b) of Fig. 6) as the hinge 4 moves upward along the thread of the tundish screw 8.

The upper surface of the tundish screw 8 is provided with a fastening tool engagement groove 800 and the length of the tundish screw 8 is set such that the upper end surface of the tundish screw 8 does not protrude out of the flange 100 Lt; / RTI >

Meanwhile, the canvas fixing wood 5 is assembled on the wood joining recess 120 of the main frame 1 in a state where the assembly of the main frame 1 and the reinforcing frame 2 is completed, When the canvas fastening wood 5 is directly press-fitted in the direction in which the wood joining recess 120 is seen, the assembly is completed.

That is, the canvas frame of the present invention is assembled by pushing the entire canvas frame forward from the rear of the canvas frame in a state where the wooden joining groove 120 is visible, without pushing the canvas fixing wood 5 along the longitudinal direction of the frame .

The projections 120a serve as wedges on the left and right inner surfaces of the wood joint groove 120. When the wood is inserted into the wood joint grooves 120 by the projections, the joints are firmly engaged.

5, when the canvas C is to be fixed to the canvas frame manufactured as described above, the canvas C is fixed using a fixing pin 9. The edge of the canvas C is fixed to the fixing pin 9, Can be easily fixed to the wood (5).

The canvas frame of the present embodiment constructed and manufactured as described above can simplify the assembling structure at the time of manufacture so as to reduce the number of components required for assembling and the number of assembling parts between the parts. The main frame 1 is made of a rigid and lightweight aluminum Because of the pipe structure, unlike canvas frames made of conventional wood or wood as a main material, it is possible to effectively solve the problem of distorted shapes due to changes in the external environment such as image damage and temperature and humidity.

Since the canvas frame of the present embodiment is provided with the wood joining recess 120 in which the wood 5 is inserted on the main frame 1 made of aluminum, the canvas C can be used as the canvas frame made of the conventional wood It can be easily fixed to the wood 5 fixed on the frame by using the fixing pin 9.

In addition, the canvas frame according to the present embodiment can reduce the number of parts required for assembling and the number of assembling parts between components as the assembling structure is simplified, thereby saving time and cost for manufacturing.

In the canvas frame according to the present embodiment, the main frame 1 and the reinforcing frame 2 are made of a lightweight material such as an aluminum material, and the cruciform fixing bracket 3 supporting the intersection of the reinforcing frame 2 It can be made of steel to make it more rigid than aluminum and to save costs.

Therefore, the canvas frame of the present invention can solve the problem and strength problem due to the deformation of the existing wooden frame, while the canvas C can maintain the merit of being easily fixed like the conventional one, There is an advantage that the time and cost consumed in manufacturing can be reduced.

It will be apparent to those skilled in the art that the present invention may be embodied in other specific forms without departing from the spirit or scope of the invention as defined in the appended claims. .

For example, in the embodiment of the present invention, the main frame 1 and the reinforcing frame 2 are made of aluminum, and the cruciform fixing bracket 3 is made of steel. However, the present invention is not limited thereto.

That is, although aluminum can be applied for securing rigidity and weight as in the above embodiment, metal other than aluminum or steel is necessarily applied to the main frame 1, the reinforcing frame 2, and the cruciform fixing bracket 3 Of course it is possible.

Also, unlike the above embodiment, at least one of the main frame 1, the reinforcing frame 2, and the cruciform fixing bracket 3 constituting the canvas frame may be made of high-strength plastic. That is, the main frame 1, the reinforcing frame 2 and the cruciform fixing bracket 3 can be replaced by high-strength engineering plastics, not metal, thereby improving strength and quality while preventing corrosion, The cost is reduced, and each part is standardized and injection molded, thereby further mass production and thus manufacturing cost reduction can be achieved.

Meanwhile, the coupling structure of the wooden joining groove 120 and the canvas fixing wood 5 provided by the above embodiment exhibits sufficient bonding force even without nailing or screwing.

The joining structure between the wood joining recess 120 and the canvas securing wood 5 provided by the above embodiment exhibits a sufficient joining strength between the parts. However, the joining of the wooden joining recesses 120 120 may be provided with a concave / convex portion corresponding to the protrusion 120a of the protrusions 120a, 120a.

In the above-described embodiment, the reinforcement frame 2 is formed as a hollow pipe having a hollow hollow structure. However, the reinforcement frame 2 may not necessarily have a hollow structure.

In this embodiment, the spacer 130 is formed in a protruding shape so that the canvas C is not in close contact with the front surface of each frame at the edges of the upper, lower, left, and right frames 10a, 10b, 10c, However, the spacer 130 may be detachably attached to the front surface of the frame by a separate member rather than an integral member.

7 is a cross-sectional view illustrating a structure of a main frame according to another embodiment of the present invention, in which the corner hinge insert grooves 110a and 110b into which an 'L' -shaped corner hinge 4 is inserted, Unlike the example, it may be structured to be located at positions facing each other.

Therefore, the above-described embodiments are to be considered as illustrative rather than restrictive, and the present invention is not limited to the above description, but may be modified within the scope of the appended claims and equivalents thereof.

C: Canvas 1: Mainframe
100: flange 110a, 110b: corner hinge insert groove
120: wooden joining groove 130: projection
2: reinforcement frame 3: cruciform fixing bracket
4: Corner hinge 5: Wood
6: fastening screw 7: fastening screw
8: Tongue screw 9: Fixing pin

Claims

A main frame (1) formed of a rigid material and constituting a rectangular frame having a hollow portion;
A reinforcing frame (2) provided on the hollow portion of the main frame (1) in the lateral and longitudinal directions for reinforcing the rigidity of the main frame; And
The reinforcing frame 2 is provided at the intersecting positions of the reinforcing frame 2 installed in the transverse and longitudinal directions for reinforcing the inner hollow portion of the main frame 1 to support the reinforcing frame 2 in the right and left directions and the vertical direction A canvas frame comprising a cruciform fixing bracket (3), comprising:
The main frame 1 comprises upper, lower, left, and right frames 10a, 10b, 10c, and 10d assembled to form the rectangular frame;
On the upper, lower, left, and right frames 10a, 10b, 10c, and 10d, a wooden joining groove 120 into which the canvas fixing wood 5 is inserted and joined is provided;
Wherein protrusions (120a) are provided on inner surfaces of right and left sides of the wood joint groove (120) arranged on the rear surface of each frame to improve the coupling strength with the wood (5).

The method according to claim 1,
Each of the upper, lower, left, and right frames 10a, 10b, 10c, and 10d is cut at an angle of 45 degrees. On the cut surface, the frames 10a, 10b, 10c, And a corner hinge insert groove (110a, 110b) into which an 'L' -shaped corner hinge (4) is inserted to extend from a side of the canvas frame.

3. The method of claim 2,
The flange 100 is provided at the entrance of the corner hinge insertion slots 110a and 110b to prevent the corner hinge 4 from directly coming out of the front or rear of the main frame 1. [ A canvas frame.

The method of claim 3,
On the surface of the corner hitch (4), a screw coupling hole (400) for fastening a tongue screw is formed,
Wherein the tundish screw (8) fastened to the screw fastening hole (400) has a length such that the upper end surface does not protrude out of the flange (100).

The method according to claim 1,
Wherein a spacer (130) is provided at the edges of the upper, lower, left, and right frames (10a, 10b, 10c, 10d) so that the canvas (C) is not in close contact with the front surface of each frame.

6. The method of claim 5,
Wherein the spacer (130) is detachably mounted on a front surface of each of the frames (10a, 10b, 10c, 10d).

The method according to claim 1,
The cruciform fixing bracket (3)
A bottom surface of a cruciform shape, and a side wall surface rising in a direction orthogonal to the bottom surface edge,
And a cross-shaped groove for aligning a reinforcing frame member crossing the left and right sides of the main frame 1 and reinforcing frame members crossing the upper and lower sides is provided inside the side wall surface.

A main frame (1) formed of a rigid material and constituting a rectangular frame having a hollow portion;
A reinforcing frame (2) provided on the hollow portion of the main frame (1) in the lateral and longitudinal directions for reinforcing the rigidity of the main frame; And
The reinforcing frame 2 is provided at the intersecting positions of the reinforcing frame 2 installed in the transverse and longitudinal directions for reinforcing the inner hollow portion of the main frame 1 to support the reinforcing frame 2 in the right and left directions and the vertical direction A canvas frame comprising a cruciform fixing bracket (3), comprising:
The main frame 1 comprises upper, lower, left, and right frames 10a, 10b, 10c, and 10d assembled to form the rectangular frame;
Wherein a spacer (130) is provided at the edges of the upper, lower, left, and right frames (10a, 10b, 10c, 10d) so that the canvas (C) is not in close contact with the front surface of each frame.

9. The method of claim 8,
Wherein the spacer (130) is detachably mounted on a front surface of each of the frames (10a, 10b, 10c, 10d).

10. The method according to any one of claims 1 to 9,
Wherein at least one of the main frame (1), the reinforcing frame (2), and the cruciform fixing bracket (3) is made of a metal material.

11. The method of claim 10,
Wherein at least one of the main frame (1), the reinforcing frame (2), and the cruciform fixing bracket (3) is made of aluminum.

11. The method of claim 10,
Wherein the main frame (1) and the reinforcing frame (2) are made of aluminum material, and the cruciform fixing bracket (3) is made of steel.

10. The method according to any one of claims 1 to 9,
Wherein at least one of the main frame (1), the reinforcing frame (2), and the cruciform fixing bracket (3) is made of high strength plastic.