CN215751698U

CN215751698U - Canvas fixing frame for oil painting

Info

Publication number: CN215751698U
Application number: CN202122407198.3U
Authority: CN
Inventors: 于兴财; 舒望
Original assignee: Sichuan Vocational College Of Culture And Media
Current assignee: Sichuan Vocational College Of Culture And Media
Priority date: 2021-09-30
Filing date: 2021-09-30
Publication date: 2022-02-08
Anticipated expiration: 2031-09-30

Abstract

The utility model provides an oil painting canvas fixing frame which comprises a support and a drawing board, wherein the drawing board is used for laying canvas on the support, and the upper end and the lower end of the drawing board are respectively provided with a group of canvas clamping and pressing devices; the canvas clamping and pressing device comprises a shell connected with the drawing board, and a clamping cavity for penetrating canvas is arranged between the shell and the front surface of the drawing board; a group of pressing plates used for pressing canvas on the drawing board are arranged in the shell; the pressure plate is provided with a first end and a second end which are perpendicular to each other; the first end of the pressure plate is hinged to the inner wall of the shell, and the second end of the pressure plate can turn up and down around the hinged point; the second end of the pressure plate is connected with the inner wall of the shell through a tension spring, a group of extrusion pieces are connected to the shell in a threaded manner, and the lower ends of the extrusion pieces indicate the second end of the pressure plate; in the canvas fixing frame for the oil painting, the extrusion piece is screwed, and the second end of the pressing plate can clamp and press the canvas on the drawing board; when taking out the canvas, the extruded piece is revolved soon to the reverse direction, and the extension spring orders about the clamp plate second end automatically and loosens, and can not cause the damage to drawing board and canvas.

Description

Canvas fixing frame for oil painting

Technical Field

The utility model relates to a drawing auxiliary tool, in particular to an oil painting canvas fixing frame.

Background

When oil painting is created, canvas needs to be paved and fixed on a drawing board, and in the existing oil painting frame, oil painting is generally nailed on the drawing board by using drawing nails; firstly, the drawing pin fixing mode is easy to damage canvas and a drawing board, and after the drawing board is used for a long time, the surface of the drawing board is provided with a plurality of dense and hemp holes; secondly, after the drawing is finished, the drawing pin needs to be pulled out one by one, the operation is troublesome and the storage is inconvenient.

For the above reasons, there is a need for an improved way of fixing the oil painting on the painting plate.

SUMMERY OF THE UTILITY MODEL

The utility model aims to overcome the defects of the background technology and provides an oil painting canvas fixing frame.

The embodiment of the utility model is realized by the following technical scheme:

the canvas fixing frame for the oil painting comprises a support, wherein a drawing board for laying canvas is arranged on the support, and a group of canvas clamping and pressing devices are respectively arranged at the upper end and the lower end of the drawing board;

the canvas clamping and pressing device comprises a shell connected with the drawing board, and a clamping cavity for penetrating canvas is arranged between the shell and the front surface of the drawing board; a group of pressing plates for pressing the canvas on the drawing board are also arranged in the shell; the pressure plate is provided with a first end and a second end which are opposite, and the first end of the pressure plate is vertical to the second end; the first end of the pressure plate is hinged to the inner wall of the shell, and the second end of the pressure plate can turn up and down around the hinged point; the second end of the pressing plate is connected with the inner wall of the shell through a tension spring so as to drive the second end of the pressing plate to turn upwards and separate from the surface of the drawing board; threaded connection has a set of extruded article on the casing, and the lower extreme of extruded article is directional the second end of clamp plate to through revolving the extruded article extrusion clamp plate of twisting, the drawing force upset downwards that the extension spring was overcome to the clamp plate extrudees the canvas on the drawing board surface.

Preferably, the shell is slidably sleeved on the drawing board, and a limiting bulge is arranged between two opposite inner side walls in the shell; the inner cavity of the shell above the limiting protrusion is the clamping cavity, and the drawing board is slidably arranged between the inner bottom surface of the shell and the limiting protrusion in a penetrating mode.

Preferably, a rubber strip for being in pressing contact with the canvas is arranged on the side surface of the second end of the pressing plate.

Preferably, a set of rotating shafts is rotatably arranged between two opposite inner side walls in the shell in a penetrating mode, and the first end of the pressing plate is hinged to the rotating shafts.

Preferably, the back of the drawing board is provided with a plurality of hooks, the support is provided with a cross rod, the cross rod is provided with a plurality of holes for the hooks to penetrate through, and the hooks are hung in the holes in a one-to-one correspondence manner to realize the detachable connection of the drawing board and the support.

Preferably, in each set of canvas clamping devices, two sides of the bottom of the shell are respectively and rotatably provided with a set of gears, the support is also provided with a frame body positioned on the back of the drawing board, two sides of the frame body are provided with racks meshed with the two sets of gears, and the racks extend up and down along the surface of the frame body, so that the two sets of canvas clamping devices at the upper end and the lower end of the drawing board can independently move up and down;

elastic pieces are arranged on two sides of the bottom of each group of the shell, the lower end face of the free end of each elastic piece is provided with a tooth-shaped part which can be meshed with the gear, and the elastic pieces drive the tooth-shaped parts to be meshed with the gear under the action of self elasticity so as to prevent the gear from rotating.

Preferably, the free end of the elastic sheet is further provided with an extension part extending towards the outer side of the tooth-shaped part, so as to be used as a force application point for pulling the elastic sheet to enable the tooth-shaped part to be separated from the gear.

The technical scheme of the embodiment of the utility model at least has the following advantages and beneficial effects:

in the canvas fixing frame for the oil painting, the upper end and the lower end of the canvas respectively extend into a clamping cavity in a canvas clamping device; the pressing piece is screwed, and the canvas can be clamped and pressed on the drawing board by the second end of the pressing plate; when the canvas needs to be taken out, the extrusion piece is reversely screwed, the tension spring automatically orders about the second end of the pressing plate to be loosened, the operation is convenient, and the drawing board and the canvas cannot be damaged.

Drawings

FIG. 1 is a perspective view of the canvas fixing frame of the present invention;

FIG. 2 is a side view of the canvas holder of the present invention;

FIG. 3 is a schematic structural diagram of the canvas clamping device according to the present invention;

FIG. 4 is a cross-sectional view taken along plane C-C of FIG. 3;

FIG. 5 is an enlarged view of portion A of FIG. 2;

FIG. 6 is an enlarged view of portion B of FIG. 2;

icon: 10-support, 100-cross bar, 1000-hole, 20-frame body, 200-rack, 30-canvas clamping and pressing device, 300-shell, 300-limiting protrusion, 301-rotating shaft, 302-pressing plate, 3020-rubber strip, 303-gear, 3030-connecting shaft, 304-elastic sheet, 3040-tooth-shaped part, 3041-extending part, 305-extrusion piece, 306-tension spring, 40-drawing board, 400-limiting part, 401-hook and 50-canvas.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, 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 some, but not all, embodiments of the present invention. The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.

Referring to fig. 1 to 4, the present invention provides a canvas 50 fixing frame, which includes a support 10, wherein a frame body 20 for mounting a drawing board 40 is disposed on the support 10, a back surface of the drawing board 40 is disposed on the frame body 20, and a front surface of the drawing board 40 is used for placing the canvas 50.

The upper and lower both ends of drawing board 40 respectively are equipped with a set of canvas card and press device 30, and canvas card presses device 30 is used for fixing canvas 50 on drawing board 40.

Referring to fig. 3 and 4, the canvas clamping device 30 comprises a housing 300 connected with the drawing board 40, the housing 300 has a cross-sectional outline in any direction perpendicular to the length direction of the drawing board 40 as shown in fig. 3,

the cross-sectional profile of the housing 300 is a rectangular box structure, and the length of the housing 300 in the left-right direction of the view 3 is much greater than the width thereof in the up-down direction; the housing 300 is sleeved on the drawing board 40, and a clamping cavity for penetrating the canvas 50 is arranged between the inner top of the housing 300 and the front surface (i.e. the upper end surface shown in fig. 3) of the drawing board 40; a set of pressing plates 302 for pressing the canvas 50 on the drawing board 40 are also provided in the housing 300.

Referring to FIG. 4, in the cross-sectional view taken along plane C-C of FIG. 3, the platen 302 has opposite first and second ends, and the first end of the platen 302 is perpendicular to the second end, i.e., the platen 302 has the shape of the letter "L"; a first end of the pressing plate 302 is hinged to the inner walls of both sides of the case 300 such that a second end of the pressing plate 302 can be turned up and down around the hinge point.

The second end of the pressing plate 302 is connected with the inner wall of the top of the casing 300 through a tension spring 306, and the tension spring 306 pulls the second end of the pressing plate 302 to drive the second end of the pressing plate 302 to turn upwards and separate from the surface of the drawing board 40; the top of the shell 300 is further connected with a group of extrusion pieces 305 in a threaded manner, the lower ends of the extrusion pieces 305 extend into the clamping cavity and point above the second end of the pressing plate 302, the pressing plate 302 is extruded downwards by screwing the extrusion pieces 305, the pressing plate 302 is overturned downwards to extrude the canvas 50 on the surface of the drawing board 40 by overcoming the tensile force of the tension spring 306, and the canvas 50 is fixed; the canvas 50 needs to be removed and the extrusion 305 rotated in the opposite direction.

Referring to fig. 3, in this embodiment, a limiting protrusion 3000 is disposed between two opposite inner side walls in the housing 300, and an inner cavity of the housing 300 above the limiting protrusion 3000 is the clamping cavity; drawing board 40 wears to establish in the cavity between the interior bottom surface of casing 300 and spacing arch 300 slidable, and drawing board 40's width, thickness all with the profile adaptation of this cavity.

Furthermore, the underside of the second end of the pressure plate 302 is provided with a rubber strip 3020 for pressing contact with the canvas 50 in order to avoid crushing the canvas 40.

In some embodiments, a connection post may extend outwardly from each of the left and right ends of the pressing plate 302 to connect with the inner sidewalls of the left and right sides of the casing 300, in this embodiment, a set of rotating shafts 301 may be rotatably disposed between two opposite inner sidewalls of the casing 300, and a first end of the pressing plate 302 is hinged to the rotating shafts 301.

In some embodiments, referring to fig. 2 and 6, a plurality of hooks 401 are disposed on the back of the drawing board 40, and the plurality of hooks 401 are divided into upper and lower rows; two rows of cross rods 100 are arranged on the support 10, and a plurality of holes 1000 for the hooks 401 to penetrate through are formed in each row of cross rods 100; the aperture of the hole 1000 is matched with the contour of the lower end of the hook 401, and the plurality of hooks 401 are hung in the plurality of holes 1000 in a one-to-one correspondence manner, so that the detachable connection of the drawing board 40 and the bracket 10 is realized; when the drawing board 40 needs to be detached, the drawing board 40 is pulled out upward.

The canvas clamping and pressing device 30 can be fixedly arranged at the upper end and the lower end of the drawing board 40, and in some embodiments, the position of each canvas clamping and pressing device 30 on the drawing board 40 can be adjusted up and down for the canvas clamping and pressing device 30 to adapt to canvases 50 with different lengths.

Specifically, referring to fig. 3 and 5, in each set of the canvas clamping and pressing device 30, a set of gears 303 are rotatably disposed on each of the left and right sides of the bottom of the housing 300, the gears 303 are connected with the bottom of the housing 300 through a curved connecting shaft 3030, and the gears 303 are made of plastic material to reduce the self weight; the rack 200 that meshes with two sets of gears 303 is equipped with on frame body 20 both sides, and rack 200 extends from top to bottom along frame body 20 surface, and when drawing board 40 was located to casing 300 cover, rack 200 meshed with gears 303 for two sets of canvas card pressure equipment 30 at both ends all can reciprocate independently about drawing board 40.

Referring to fig. 3, the left and right sides of the bottom of each set of housing 300 are also provided with elastic pieces 304, the elastic pieces 304 are located above the gear 303, the elastic pieces 304 are L-shaped, the lower ends (free ends) of the elastic pieces 304 are bent to be horizontal, the lower end faces of the free ends are provided with tooth-shaped portions 3040 capable of meshing with the gear 303, and the elastic pieces 304 drive the tooth-shaped portions 3040 to mesh with the gear 303 under the action of their own elastic force to prevent the gear 303 from rotating.

When the canvas clamping device 30 needs to be moved, the second end of the elastic sheet 304 is pulled upwards to separate the tooth-shaped portion 3040 from the surface of the gear 303, and therefore, the free end of the elastic sheet 304 is further provided with an extension portion 3041 extending towards the outer side of the tooth-shaped portion 3040 to be used as a force application point for pulling the elastic sheet 304.

The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes will occur to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides an oil painting canvas mount, includes support (10), is equipped with drawing board (40) that are used for laying canvas (50) on support (10), its characterized in that: the upper end and the lower end of the drawing board (40) are respectively provided with a group of canvas clamping and pressing devices (30);

the canvas clamping and pressing device (30) comprises a shell (300) connected with the drawing board (40), and a clamping cavity for penetrating the canvas (50) is formed between the shell (300) and the front surface of the drawing board (40); a group of pressing plates (302) used for pressing the canvas (50) on the drawing board (40) are further arranged in the shell (300); the pressing plate (302) is provided with a first end and a second end which are perpendicular to each other, the first end of the pressing plate (302) is hinged to the inner wall of the shell (300), and the second end of the pressing plate (302) can be turned over up and down around the hinged point;

the second end of the pressure plate (302) is connected with the inner wall of the shell (300) through a tension spring (306) so as to drive the second end of the pressure plate (302) to turn upwards; threaded connection has a set of extruded piece (305) on casing (300), and the lower extreme of extruded piece (305) points to the second end of clamp plate (302) to through revolving the extrusion piece (305) extrusion clamp plate (302) of twisting, clamp plate (302) overcome the pulling force of extension spring (306) and overturn downwards and extrude canvas (50) on drawing board (40) surface.

2. The canvas fixing frame according to claim 1, wherein: the shell (300) is slidably sleeved on the drawing board (40), and a limiting bulge (3000) is arranged between two opposite inner side walls in the shell (300); the inner cavity of the shell (300) above the limiting protrusion (3000) is the clamping cavity, and the drawing board (40) can be slidably arranged between the inner bottom surface of the shell (300) and the limiting protrusion (3000).

3. The canvas fixing frame according to claim 2, wherein: and a rubber strip (3020) which is used for being in pressing contact with the canvas (50) is arranged on the side surface of the second end of the pressure plate (302).

4. The canvas holder according to claim 3, wherein: a group of rotating shafts (301) are rotatably arranged between two opposite inner side walls in the shell (300) in a penetrating mode, and the first end of the pressing plate (302) is hinged to the rotating shafts (301).

5. The canvas fixing frame according to claim 1, wherein: the back of drawing board (40) is provided with a plurality of couples (401), be equipped with horizontal pole (100) on support (10), be equipped with a plurality of holes (1000) that are used for wearing to establish couple (401) on horizontal pole (100) to hang through a plurality of couples (401) one-to-one and establish a plurality of in hole (1000), realize the detachable connection of drawing board (40) and support (10).

6. The canvas holder according to any one of claims 2 to 5, wherein: in each group of canvas clamping and pressing devices (30), two groups of gears (303) are rotatably arranged on two sides of the bottom of a shell (300), a frame body (20) positioned on the back of the drawing board (40) is further arranged on a support (10), racks (200) meshed with the two groups of gears (303) are arranged on two sides of the frame body (20), and the racks (200) extend up and down along the surface of the frame body (20), so that the two groups of canvas clamping and pressing devices (30) at the upper end and the lower end of the drawing board (40) can independently move up and down;

elastic pieces (304) are arranged on two sides of the bottom of each group of shells (300), a tooth-shaped portion (3040) capable of being meshed with the gear (303) is arranged on the lower end face of the free end of each elastic piece (304), and the elastic pieces (304) drive the tooth-shaped portion (3040) to be meshed with the gear (303) under the action of self elasticity so as to prevent the gear (303) from rotating.

7. The canvas holder according to claim 6, wherein: the free end of the elastic sheet (304) is also provided with an extension part (3041) extending towards the outer side of the tooth-shaped part (3040) to be used as a force application point for pulling the elastic sheet (304) so as to enable the tooth-shaped part (3040) to be separated from the gear (303).