Accurate positioning canvas fixing clamp for oil painting

Abstract

The utility model relates to the technical field of oil painting tools, and discloses a precise positioning canvas fixing clamp for oil paintings, which comprises a drawing board mechanism, a fixing mechanism and a positioning mechanism, the side surface of the drawing board mechanism is movably connected with the side surface of the positioning mechanism, the top end of the positioning mechanism is fixedly connected with the bottom end of the fixing mechanism, and the positioning mechanism is fixedly connected with the fixing mechanism. The fixing mechanism comprises a mounting block, a mounting plate, a side plate, a tension spring, a clamping piece and a threaded rod; the edge of the canvas is clamped through the clamping pieces, the threaded rods are rotated to drive the side plates to transversely move through threads, the edges of the canvas are tensioned outwards through the clamping pieces, at the moment, the tension springs are stretched, tension is generated on the clamping pieces, the bottom of the canvas is tightly attached to the top of the drawing board, and the tension springs keep proper deformation according to use requirements; therefore, the tension of the canvas is controlled by the clamping pieces, sufficient tension of the canvas is ensured, the canvas is tightened, and meanwhile damage caused by too large tension of the canvas is prevented.

Description

TECHNICAL FIELD

[0001] The utility model relates to oil painting tool technical field more particularly to a kind of accurate positioning canvas fixing clamp for oil painting. BACKGROUND

[0002] Oil painting is popular with people because picture can keep luster for a long time after drying, and it can fully express the object by the covering power and transparency of pigment, with rich color and strong three-dimensional texture. During oil painting, easel, oil painting box, oil pot, painting stick and fixing clamp are needed, among which, fixing clamp is used to fix canvas on drawing board for the convenience of painter.

[0003] The prior art has the following disadvantages: the existing fixing clamp has simple structure, and it is usually used to clamp canvas on drawing board by two clamping pieces. However, canvas needs to be taut during painting, and the existing fixing clamp cannot adjust the clamping force according to the requirement, which affects painting. UTILITY MODEL CONTENT

[0004] In order to overcome the above-mentioned defects of the prior art, the utility model provides an accurate positioning canvas fixing clamp for oil painting to solve the problems in the background art.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: an accurate positioning canvas fixing clamp for oil painting, comprising a drawing board mechanism, a fixing mechanism and a positioning mechanism, the side surface of the drawing board mechanism is movably connected with the side surface of the positioning mechanism, the top end of the positioning mechanism is fixedly connected with the bottom end of the fixing mechanism, the drawing board mechanism comprises a bottom plate, the top end of the bottom plate is fixedly connected with a drawing board, the fixing mechanism comprises a mounting block, the side surface of the mounting block is fixedly connected with a mounting plate, the top end of the mounting plate is provided with a second sliding groove, the side surface of the second sliding groove is movably connected with a second sliding block, the top end of the second sliding block is fixedly connected with a side plate, the side surface of the side plate is fixedly connected with a tension spring, the side surface of the tension spring is fixedly connected with a clamping piece, the side surface of the mounting block is threadedly connected with a threaded rod, and the side surface of the threaded rod is movably sleeved with the side surface of the side plate.

[0006] Further, the side surface of the clamping piece is fixedly connected with a limiting pin corresponding to the position of the tension spring, the side surface of the limiting pin is provided with a movable slot, the side surface of the side plate is provided with a through hole, and the side surface of the movable slot is movably connected with the side surface of the through hole.

[0007] Further, the side surface of the threaded rod is fixedly connected with a knob, and the side surface of the threaded rod is threadedly connected with a fixed nut.

[0008] Further, the positioning mechanism comprises a connecting block, the top end of the connecting block is fixedly connected with the bottom end of the mounting block, the side surface of the connecting block is fixedly connected with a first sliding block, the side surface of the bottom plate is provided with a first sliding groove, and the side surface of the first sliding groove is movably connected with the side surface of the first sliding block.

[0009] Further, the inner wall of the bottom end of the connecting block is fixedly connected with a reset spring, the top end of the reset spring is fixedly connected with a pressing block, the bottom end of the pressing block is fixedly connected with a connecting rod, the bottom end of the connecting rod penetrates through the bottom end of the connecting block and is fixedly connected with a positioning block, the side surface of the bottom plate is fixedly connected with a positioning rack at the position corresponding to the positioning block, the top end of the positioning block is provided with a positioning clamping tooth, and the side surface of the positioning clamping tooth is meshed with the side surface of the positioning rack.

[0010] Further, the bottom end of the positioning rack is provided with a first circular arc angle, and the top end of the positioning clamping tooth is provided with a second circular arc angle.

[0011] The technical effects and advantages of the present application are as follows:

[0012] 1. The utility model discloses a drawing canvas is fixed to the drawing board through the clamping piece, and the clamping piece is fixed to the drawing canvas through the screw rod, and the screw rod is moved horizontally through the thread, and the clamping piece is pulled outward to the drawing canvas edge, and the tension spring is stretched at this moment, and the tension is generated to the clamping piece, and the drawing canvas bottom is tightly attached to the drawing board top, and the tension spring keeps the proper deformation when according to the use demand, so that the clamping piece control is realized to the drawing canvas tension, and it is favorable to ensure that the drawing canvas tension is sufficient, and the drawing canvas is tightly stretched, and the drawing canvas is prevented from being damaged by the excessive tension.

[0013] 2. The utility model discloses a connecting rod is pushed to the positioning block through the pressing block, and the positioning clamping tooth is separated from the positioning rack, and the first sliding block is slid along the first sliding groove through the connecting block, so that the fixed mechanism of the four side surfaces of the bottom plate is moved to the proper position, and the pressing block is loosened, and the reset spring pushes the pressing block and moves upward, so that the connecting rod drives the positioning block and moves upward, and the positioning clamping tooth is meshed with the positioning rack, and the positioning mechanism is fixed, and it is favorable to improve the equipment flexibility. DRAWINGS

[0014] Figure 1 It is the whole structure schematic diagram of the utility model;

[0015] Figure 2 It is the positioning mechanism structure schematic diagram of the utility model;

[0016] Figure 3 It is the positioning mechanism cross section structure schematic diagram of the utility model;

[0017] Figure 4 It is the fixed mechanism structure schematic diagram of the utility model;

[0018] Figure 5The utility model discloses a Figure 4 A structure schematic diagram.

[0019] The sign is: 1, drawing board mechanism, 101, bottom plate, 102, positioning rack, 103, drawing board, 104, first sliding slot, 105, first arc angle, 2, fixed mechanism, 201, mounting block, 202, threaded rod, 203, limit pin, 204, movable slot, 205, tension spring, 206, mounting plate, 207, second sliding slot, 208, side plate, 209, clamping piece, 210, fixed nut, 211, knob, 212, second sliding block, 213, through -hole, 3, positioning mechanism, 301, connecting block, 302, positioning block, 303, connecting rod, 304, first sliding block, 305, positioning ratchet, 306, return spring, 307, pressing block, 308, second arc angle. DETAILED DESCRIPTION

[0020] The technical scheme in the utility model will be described clearly and completely in connection with the drawings in the utility model, and in addition, the form of each structure recorded in the following implementation is only an example, and the precise positioning canvas fixing clamp for oil painting involved in the utility model is not limited to each structure recorded in the following implementation, and all other implementation obtained by the ordinary skill in the art without making creative labor belongs to the range of protection of the utility model.

[0021] Refer to Figures 1 to 5The utility model provides a kind of accurate positioning canvas fixing clamp for oil painting, including drawing board mechanism 1, still include: fixed mechanism 2 and positioning mechanism 3, the side of drawing board mechanism 1 is movably connected with the side of positioning mechanism 3, the top of positioning mechanism 3 is fixedly connected with the bottom end of fixed mechanism 2, drawing board mechanism 1 includes bottom plate 101, the top of bottom plate 101 is fixedly connected with drawing board 103, fixed mechanism 2 includes mounting block 201, the side of mounting block 201 is fixedly connected with mounting plate 206, the top of mounting plate 206 is equipped with second sliding slot 207, the side of second sliding slot 207 is movably connected with second sliding block 212, the top of second sliding block 212 is fixedly connected with side plate 208, the side of side plate 208 is fixedly connected with tension spring 205, the side of tension spring 205 is fixedly connected with clamping piece 209, the side of mounting block 201 is threadedly connected with threaded rod 202, the side of threaded rod 202 is movably sleeved with the side of side plate 208, positioning mechanism 3 is distributed in the four sides of bottom plate 101, and the height of drawing board 103 is higher than the height of clamping piece 209, in use process, fixed mechanism 2 is slid along the side of bottom plate 101 to appropriate position, clamping piece 209 clamps the edge of canvas, rotates threaded rod 202 to make threaded rod 202 with side plate 208 move transversely by thread, so that clamping piece 209 pulls the edge of canvas outward, at this moment, tension spring 205 is stretched, and tension is generated to clamping piece 209, so that the bottom of canvas is tightly attached to the top of drawing board 103, according to the requirement of use, tension spring 205 keeps appropriate deformation amount, so that the control of the tension of clamping piece 209 to canvas is realized, sufficient tension to canvas is ensured, canvas is taut, and damage caused by excessive tension to canvas is prevented simultaneously.

[0022] Wherein, the side of clamping piece 209 is fixedly connected with limit pin 203 corresponding to the position of tension spring 205, the side of limit pin 203 is equipped with movable slot 204, the side of side plate 208 is equipped with through hole 213, the side of movable slot 204 is movably connected with the side of through hole 213, when tension spring 205 is deformed, movable slot 204 side slides along through hole 213, and clamping piece 209 is limited, so that clamping piece 209 moves transversely, when adjusting fixed mechanism 2, until the side of movable slot 204 is tightly attached to the side of movable slot 204, stop adjusting fixed mechanism 2, and ensure that the tension of tension spring 205 remains at a certain value.

[0023] Wherein, the side of threaded rod 202 is fixedly connected with knob 211, the side of threaded rod 202 is threadedly connected with fixed nut 210, threaded rod 202 is conveniently rotated through knob 211, after adjusting fixed mechanism 2, fixed nut 210 is tightened to make fixed nut 210 tightly attached to the side of mounting block 201 to fix threaded rod 202.

[0024] The positioning mechanism 3 comprises a connecting block 301, the top end of the connecting block 301 is fixedly connected with the bottom end of the mounting block 201, the side surface of the connecting block 301 is fixedly connected with a first sliding block 304, the side surface of the bottom plate 101 is provided with a first sliding groove 104, the side surface of the first sliding groove 104 is movably connected with the side surface of the first sliding block 304, the connecting block 301 is pushed to make the first sliding block 304 slide along the first sliding groove 104, so that the fixing mechanism 2 is moved to a suitable position.

[0025] The bottom end inner wall of the connecting block 301 is fixedly connected with a reset spring 306, the top end of the reset spring 306 is fixedly connected with a pressing block 307, the bottom end of the pressing block 307 is fixedly connected with a connecting rod 303, the bottom end of the connecting rod 303 is fixedly connected with a positioning block 302 through the bottom end of the connecting block 301, the side surface of the positioning block 302 is movably connected with the side surface of the first sliding block 304, the side surface of the first sliding groove 104 is movably connected with the side surface of the first sliding block 304, the connecting block 301 is pushed to make the first sliding block 304 slide along the first sliding groove 104, so that the fixing mechanism 2 is moved to a suitable position.

[0026] The bottom end of the connecting block 301 is fixedly connected with a reset spring 306, the top end of the reset spring 306 is fixedly connected with a pressing block 307, the bottom end of the pressing block 307 is fixedly connected with a connecting rod 303, the bottom end of the connecting rod 303 is fixedly connected with a positioning block 302 through the bottom end of the connecting block 301, the side surface of the positioning block 302 is movably connected with the side surface of the first sliding block 304, the side surface of the first sliding groove 104 is movably connected with the side surface of the first sliding block 304, the connecting block 301 is pushed to make the first sliding block 304 slide along the first sliding groove 104, so that the fixing mechanism 2 is moved to a suitable position.

[0027] The working principle of the utility model is: according to the use demand, downward pressing the pressing block 307 makes the connecting rod 303 push the positioning block 302 to make the positioning clamping tooth 305 separate from the positioning rack 102, pushes the connecting block 301 to make the first sliding block 304 slide along the first sliding groove 104, thereby making the fixed mechanism 2 of the four sides of the bottom plate 101 move to the appropriate position, loosens the pressing block 307, the reset spring 306 pushes the pressing block 307 to move upwards, thereby making the connecting rod 303 drive the positioning block 302 to move upwards to make the positioning clamping tooth 305 and the positioning rack 102 intermeshing, fixes the positioning mechanism 3, loosens the fixed nut 210, the clamping piece 209 clamps the canvas edge, rotates the threaded rod 202 to make the threaded rod 202 take the side plate 208 transverse movement through the thread, makes the clamping piece 209 pull the canvas edge to the outside, at this moment, the tension spring 205 is stretched, generates the tension to the clamping piece 209, makes the canvas bottom adhere to the top of the drawing board 103, until the side of the movable groove 204 and the side of the side plate 208 contact, makes the tension spring 205 keep the appropriate deformation amount, thereby realizing the control of the clamping piece 209 to the canvas tension, tightens the fixed nut 210 to make the fixed nut 210 adhere to the side of the mounting block 201 and fix the threaded rod 202, ensures that the canvas tension is sufficient, makes the canvas tight, simultaneously prevents the damage caused by the too large canvas tension.

[0028] The above only is the preferred embodiment of the utility model, and does not limit the utility model, and any modification, equivalent replacement, improvement etc. made within the spirit and principle of the utility model should be contained in the protection scope of the utility model.

Claims

1. An accurate positioning canvas fixing clamp for oil painting, comprising a palette mechanism (1), characterized in that, Also include: The side of the drawing board mechanism (1) is movably connected with the side of the positioning mechanism (3), the top end of the positioning mechanism (3) is fixedly connected with the bottom end of the fixing mechanism (2), the drawing board mechanism (1) comprises a bottom plate (101), the top end of the bottom plate (101) is fixedly connected with a drawing board (103), the fixing mechanism (2) comprises a mounting block (201), the side of the mounting block (201) is fixedly connected with a mounting plate (206), the top end of the mounting plate (206) is provided with a second sliding groove (207), the side of the second sliding groove (207) is movably connected with a second sliding block (212), the top end of the second sliding block (212) is fixedly connected with a side plate (208), the side of the side plate (208) is fixedly connected with a tension spring (205), the side of the tension spring (205) is fixedly connected with a clamping piece (209), the side of the mounting block (201) is threadedly connected with a threaded rod (202), and the side of the threaded rod (202) is movably sleeved with the side of the side plate (208).

2. A precision positioning canvas fixing clamp for oil painting according to claim 1, characterized in that: The side of the clamping piece (209) is fixedly connected with a limit pin (203) corresponding to the position of the tension spring (205), the side of the limit pin (203) is provided with a movable groove (204), and the side of the side plate (208) is provided with a through hole (213). The side of the movable groove (204) is movably connected with the side of the through hole (213).

3. The precision positioning canvas fixing clamp for oil painting according to claim 1, characterized in that: The side of the threaded rod (202) is fixedly connected with a knob (211), and the side of the threaded rod (202) is threadedly connected with a fixed nut (210).

4. The precision positioning canvas fixing clamp for oil painting according to claim 1, characterized in that: The positioning mechanism (3) comprises a connecting block (301), the top end of the connecting block (301) is fixedly connected with the bottom end of the mounting block (201), the side of the connecting block (301) is fixedly connected with a first sliding block (304), and the side of the bottom plate (101) is provided with a first sliding groove (104). The side of the first sliding groove (104) is movably connected with the side of the first sliding block (304).

5. The precision positioning canvas holder clamp for oil painting according to claim 4, characterized in that: The bottom end inner wall of the connecting block (301) is fixedly connected with a reset spring (306), the top end of the reset spring (306) is fixedly connected with a pressing block (307), the bottom end of the pressing block (307) is fixedly connected with a connecting rod (303), the bottom end of the connecting rod (303) is fixedly connected with a positioning block (302) penetrating through the bottom end of the connecting block (301), the side of the bottom plate (101) is fixedly connected with a positioning rack (102) corresponding to the position of the positioning block (302), the top end of the positioning block (302) is provided with a positioning ratchet (305), and the side of the positioning ratchet (305) is meshed with the side of the positioning rack (102).

6. The precision positioning canvas holder clamp for oil painting according to claim 5, characterized in that: The bottom end of the positioning rack (102) is provided with a first circular arc angle (105), and the top end of the positioning ratchet (305) is provided with a second circular arc angle (308).

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