Drawing paper fixing plate with quick clamping structure

Abstract

The utility model discloses a drawing paper fixing plate with a quick clamping structure, which comprises a base plate, the base plate is provided with a drawing paper laying area and a closed loop area surrounding the drawing paper laying area, and the closed loop area is provided with a positioning structure for positioning drawing paper; the drawing paper fixing plate further comprises a frame cover rotationally connected to the base plate, the frame cover is provided with a frame opening, and the frame cover can be connected with the closed loop area in a magnetic attraction mode after covering the base plate. The frame cover is further provided with a pressing part, and after the base plate is covered with the frame cover, the edge of the drawing paper laying area can be pressed through the pressing part. The frame cover is rotatably connected with the base plate, and the frame cover can be in magnetic attraction connection with the base plate after covering the base plate, so that the purposes of quick clamping and quick opening are achieved. The length scale strips are arranged on the frame cover, and sketching is assisted through the length scale strips.

Description

Technical Field

[0001] The utility model relates to a drawing board, in particular to a drawing paper fixing board with a quick-clamping structure. Background Art

[0002] When painting indoors or sketching outdoors, it is necessary to fix the drawing paper for convenient painting. Currently, drawing pins are generally used to fix the drawing paper on the drawing board, which not only damages the drawing paper but also reduces the service life of the drawing board. Some people use tape to fix the drawing paper, but the tape fixation is unstable and the drawing paper is easy to fall off, and the drawing paper is easily damaged when removed.

[0003] In the prior art, there is a drawing paper fixing device with a flip structure. The drawing paper fixing device includes a flat bottom plate and a frame-shaped cover plate flip-connected to the flat bottom plate. Threaded holes are provided at the edge of the flat bottom plate, and the frame-shaped cover plate is flipped to open or press the edge of the drawing paper onto the flat bottom plate. After the frame-shaped cover plate presses the edge of the drawing paper, it is tightened to the threaded hole by a knob to press the edge of the drawing paper.

[0004] Since there are multiple knobs, the operation is relatively cumbersome.

[0005] In addition, there is no scale structure on the existing frame-shaped cover plate. When sketching, auxiliary scale tools are required for sketching.

[0006] In view of this, it is necessary to improve the drawing paper fixing device in the prior art. Utility Model Content

[0007] Aiming at the deficiencies in the prior art, the technical problem to be solved by the utility model is to provide a drawing paper fixing board with a quick-clamping structure. The purpose of designing this drawing paper fixing board is: one is to realize quick clamping and quick opening of the frame cover, and the other is to set a length scale on the frame cover to assist in sketching.

[0008] To solve the above technical problems, the utility model is realized through the following solutions: A drawing paper fixing board with a quick-clamping structure of the utility model includes a backing plate, the backing plate has a drawing paper laying area and a closed-loop area surrounding the drawing paper laying area, and a positioning structure for positioning the drawing paper is provided in the closed-loop area;

[0009] The drawing paper fixing board further includes a frame cover rotatably connected to the backing plate. The frame cover has a frame opening, and after covering the backing plate, it can be magnetically connected to the closed-loop area;

[0010] The frame cover also has a pressing part. After the frame cover covers the backing plate, the edge of the drawing paper laying area can be pressed by the pressing part.

[0011] Further, the positioning structure includes L-shaped brackets provided at the four corners of the drawing paper laying area, and the four L-shaped brackets define the drawing paper laying area as a square drawing area.

[0012] Further, the structure in which the frame cover and the backing plate are rotatably connected includes one of a hinge connection structure, a hinge connection structure, and a rotating shaft connection structure.

[0013] Further, the structure of the magnetic attraction connection includes one of a magnet mutual attraction connection structure and a magnet and iron sheet attraction structure.

[0014] Still further, the magnet mutual attraction connection structure includes:

[0015] A plurality of first magnets provided in the closed-loop area and having a certain distance;

[0016] A plurality of second magnets provided on the cover surface of the frame cover and having a certain distance, and the plurality of second magnets are arranged in one-to-one correspondence with the plurality of first magnets, and the magnetism of the second magnet and the first magnet on the cover surface is opposite.

[0017] Still further, the magnet and iron sheet attraction structure includes a plurality of iron sheets and a plurality of third magnets;

[0018] When an iron sheet is provided at a position in the closed-loop area, a third magnet is provided at the cover point of the frame cover corresponding to the iron sheet;

[0019] When a third magnet is provided at a position in the closed-loop area, an iron sheet is provided at the cover point of the frame cover corresponding to the third magnet.

[0020] Further, a groove is provided on the cover surface edge of the frame cover near the frame opening, and the pressing portion is fixedly embedded in the groove.

[0021] Still further, the pressing portion is one of a plastic pressing frame, a rubber pressing frame, and a silica gel pressing frame.

[0022] Further, length scale bars are provided on the periphery of the frame opening.

[0023] Still further, the length scale bar on any side has a structure with the center as the 0 scale area and the numbers on both sides increasing arithmetically.

[0024] Compared with the prior art, the beneficial effects of the present invention are:

[0025] 1. The frame cover and the backing plate of the present invention are rotatably connected, and after the frame cover covers the backing plate, it can be magnetically connected to the backing plate, achieving the purpose of quick clamping and quick opening.

[0026] 2. The frame cover of the present invention is provided with a length scale bar, which is used to assist sketching through the length scale bar. Description of the Drawings

[0027] Figure 1 This is the structural diagram after the frame cover of the drawing paper fixing plate of the present utility model is opened.

[0028] Figure 2 This is the structural diagram after the frame cover of the drawing paper fixing plate of the present utility model is closed.

[0029] Figure 3 This is the distribution structural diagram of the length scale on the frame cover of the present utility model.

[0030] Figure 4 This is the enlarged installation structural diagram of the pressing part on the frame cover of the present utility model.

[0031] Figure 5 This is the partial enlarged view of the connection between the frame cover and the backing plate of the present utility model.

[0032] Reference numerals in the drawings: backing plate 1, frame cover 2, square plate 11, drawing paper 12, L-shaped bracket 13, first magnet 14, rectangular ring groove 21, frame opening 22, second magnet 23, handle 24, pressing part 25, length scale bar 26, magnet fixing groove 27. Detailed implementation manners

[0033] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the drawings in the embodiments of the present utility model, so that the advantages and features of the present utility model can be more easily understood by those skilled in the art, thereby making a clearer and more definite definition of the protection scope of the present utility model. Obviously, the described embodiments of the present utility model are only a part of the embodiments of the present utility model, rather than all the embodiments. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present utility model without creative efforts shall fall within the protection scope of the present utility model.

[0034] In addition, the technical features involved in the different implementation manners of the present utility model described below can be combined with each other as long as they do not conflict with each other.

[0035] Embodiment 1: The specific structure of the present utility model is as follows:

[0036] Please refer to the attached Figures 1-5, A drawing paper fixing plate with a quick-clamping structure of the present utility model includes a backing plate 1. The backing plate 1 has a drawing paper laying area and a closed-loop area surrounding the drawing paper laying area. The closed-loop area is a rectangular structure, and a positioning structure for positioning the drawing paper is provided in the closed-loop area. The plate body of the backing plate 1 is a square plate 11, and both its upper and lower plate surfaces are flat. The positioning structure includes L-shaped brackets 13 provided at the four corners of the drawing paper laying area. The four L-shaped brackets 13 are fixed by screws, and their material is iron and can be attracted by a magnet. Since the four L-shaped brackets 13 are higher than the square plate 11 after installation, and among the four L-shaped brackets 13, two diagonal L-shaped brackets 13 are arranged with their right angles opposite to each other. Therefore, the four L-shaped brackets 13 define the drawing paper laying area as a square drawing area. The drawing paper 12 is placed in this square drawing area and is limited in position.

[0037] The drawing paper fixing plate further includes a frame cover 2 rotatably connected to the backing plate 1. The frame cover 2 has a frame opening 22, and after covering the backing plate 1, it can be magnetically connected to the closed-loop area; the structure for rotatably connecting the frame cover 2 and the backing plate 1 includes one of a hinge connection structure, a hinge connection structure, and a rotating shaft connection structure. Preferably, the frame cover 2 and the backing plate 1 of the present utility model adopt a rotating shaft connection structure.

[0038] The structure of the magnetic connection includes one of a magnet mutual attraction connection structure and a magnet and iron sheet attraction structure.

[0039] The magnet mutual attraction connection structure includes a plurality of first magnets 14 provided in the closed-loop area with a certain spacing, and a plurality of second magnets 23 provided on the cover surface of the frame cover 2 with a certain spacing, and the cover surfaces of the second magnets 23 and the first magnets 14 have opposite magnetic polarities. As Figure 1 shown, along the inner edge line of the closed-loop area, a plurality of first magnets 14 are distributed. The positions of the plurality of second magnets 23 are set in one-to-one correspondence with the positions of the plurality of first magnets 14. Specifically, a rectangular ring groove 21 is provided on the cover surface of the frame cover 2, and a plurality of magnet fixing grooves 27 are distributed on the bottom surface of the rectangular ring groove 21, and each magnet fixing groove 27 is embedded with a second magnet 23.

[0040] When the frame cover 2 covers the square plate 11, the first magnets 14 and the second magnets 23 attract each other to achieve the purpose of quick clamping. Embodiment

[0041] The magnet and iron sheet attraction structure includes a plurality of iron sheets and a plurality of third magnets;

[0042] When an iron sheet is provided at a position in the closed-loop area, a third magnet is provided at the corresponding covering point of the frame cover 2;

[0043] When a third magnet is provided at a position in the closed-loop area, an iron sheet is provided at the corresponding covering point of the frame cover 2.

[0044] After the frame cover 2 covers the square plate 11, the third magnet and the corresponding iron sheet are magnetically attracted to achieve the purpose of quick clamping. Embodiment

[0045] As Figure 4 As shown, the frame cover 2 further has a pressing portion 25. After the frame cover 2 covers the backing plate 1, the edge of the drawing paper laying area can be pressed by the pressing portion 25. For the frame cover 2, a groove is provided around the cover surface edge close to the frame opening 22, and the pressing portion 25 is embedded in the groove. The pressing portion 25 is one of a plastic pressing frame, a rubber pressing frame, and a silica gel pressing frame. Preferably, a silica gel pressing frame is selected in this embodiment.

[0046] As Figure 4 As shown, the cross-section of the pressing portion 25 is integrally in an L-shaped structure. It has a convex ring that fits into the groove, and its inner ring protrudes from the frame opening 22. The thinnest area of the protruding end of the pressing portion 25 is set to 0.6 mm. The upper side of the protruding end of the pressing portion 25 has a right-angle step, and this right-angle step is in close contact with the end face of the frame opening 22. The lower side of the protruding end of the pressing portion 25 is a corner structure. Embodiment

[0047] As Figures 3-4 As shown, length scale bars 26 are provided on the periphery of the frame opening 22. The length scale bar 26 on any one side has a structure with the center as the 0 scale area and the numbers on both sides increasing arithmetically.

[0048] As Figure 4 As shown, the upper side face of the frame opening 22 is an inclined plane, and the length scale bar 26 is arranged on the inclined plane, and its minimum unit is millimeter. The length scale bar 26 assists in sketching and improves the sketching efficiency. Embodiment

[0049] As Figure 1 As shown, on the outer edge of the side of the frame plate 2 away from the connection end, a handle 24 is further provided, and the handle 24 facilitates the opening and closing of the frame plate 2.

[0050] In summary, the frame cover and the backing plate of the present utility model are rotatably connected, and after the frame cover covers the backing plate, it can be magnetically connected to the backing plate to achieve the purpose of quick clamping and quick opening. A length scale bar is provided on the frame cover of the present utility model, and through the length scale bar, sketching is assisted.

[0051] The above is only the preferred embodiment of the present utility model, and it does not limit the patent scope of the present utility model. Any equivalent structure or equivalent process transformation made by using the content of the specification and drawings of the present utility model, or directly or indirectly applied in other related technical fields, shall be equally included in the patent protection scope of the present utility model.

Claims

1. A drawing paper fixing plate with a quick clamping structure, comprising a pad (1), characterized in that: The pad (1) comprises a drawing paper laying area and a closed loop area surrounding the drawing paper laying area, and the closed loop area is provided with a positioning structure for positioning the drawing paper; The drawing paper fixing plate further comprises a frame cover (2) rotatably connected to the backing plate (1), the frame cover (2) having a frame opening (22) and capable of being magnetically connected to the closed-loop area after being covered on the backing plate (1); The frame cover (2) further comprises a pressing portion (25), and after the frame cover (2) is covered on the pad (1), the edge of the drawing paper laying area can be pressed by the pressing portion (25).

2. The drawing paper fixing plate with a quick clamping structure according to claim 1, characterized in that: The positioning structure comprises L-shaped brackets (13) arranged at the four corners of the drawing paper laying area, and the four L-shaped brackets (13) define the drawing paper laying area as a square drawing area.

3. The drawing paper fixing plate with a quick clamping structure according to claim 1, characterized in that: The structure in which the frame cover (2) and the pad (1) are rotatably connected comprises a hinge connection structure, a hinge connection structure, and a rotating shaft connection structure.

4. The drawing paper fixing plate with a quick clamping structure according to claim 1, characterized in that: The magnetic connection structure includes a magnet mutual attraction connection structure and a magnet and iron sheet attraction structure.

5. The drawing paper fixing plate with a quick clamping structure according to claim 4, characterized in that: The magnet mutual attraction connection structure comprises: A plurality of first magnets (14) arranged in the closed loop area and having a certain spacing; A plurality of second magnets (23) are arranged on the cover surface of the frame cover (2) and have a certain spacing therebetween. The plurality of second magnets (23) and the plurality of first magnets (14) are arranged in a one-to-one correspondence with each other, and the magnetic properties of the second magnets (23) and the first magnets (14) are opposite to each other.

6. The drawing paper fixing plate with a quick clamping structure according to claim 4, characterized in that: The magnet and iron sheet attraction structure comprises a plurality of iron sheets and a plurality of third magnets; When an iron sheet is arranged at a position of the closed-loop area, a third magnet is arranged at a cover point of the frame cover (2) corresponding to the iron sheet; When a third magnet is arranged at a position of the closed-loop area, an iron sheet is arranged at a cover point of the frame cover (2) corresponding to the third magnet.

7. The drawing paper fixing plate with a quick clamping structure according to claim 1, characterized in that: The frame cover (2) has a circle of grooves disposed on the cover edge close to the frame opening (22), and the pressing portion (25) is embedded in the groove.

8. The drawing paper fixing plate with a quick clamping structure according to claim 1 or 7, characterized in that: The pressing portion (25) is a plastic pressing frame, a rubber pressing frame, or a silicone pressing frame.

9. The drawing paper fixing plate with a quick clamping structure according to claim 1, characterized in that: The periphery of the frame opening (22) is provided with length scale bars (26).

10. The drawing paper fixing plate with a quick clamping structure according to claim 9, characterized in that: The length scale bar (26) on either side has a structure with the center being the 0 scale area and the numbers on both sides increasing in equal increments.

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