Device for fixing exercise book on same plane

Abstract

The utility model provides a device for fixing exercise books on the same plane, which relates to the technical field of fixing of armor exercise books and comprises a placing plate, two L-shaped plates are fixed at the top of the placing plate, sliding grooves are formed in the top of the placing plate and close to the edge, screw rods are embedded in the sliding grooves, and the two L-shaped plates are fixed at the bottom of the placing plate. The surfaces of the screws are sleeved with moving parts in a threaded connection mode, L-shaped moving plates are fixed to the tops of the moving parts, and U-shaped plates are arranged below the L-shaped plates and the L-shaped moving plates. According to the utility model, the U-shaped plate can be lifted by pulling the disc, the two ends of the turned exercise book and the two ends of the turned teaching material are embedded below the extrusion rollers, and the U-shaped plate is pushed to descend through the spring, so that the effect of fixing the two ends of the exercise book and the two ends of the teaching material can be achieved; when the page turning device is used, the page can be pulled out from the lower portion of the extrusion roller and embedded into the lower portion of the extrusion roller at the other end, the page turning effect can be achieved without disassembling and fixing again, and therefore the effect of convenient use can be achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of exercise book fixing, in particular to a device for fixing exercise books on the same plane. Background Art

[0002] When wrong questions appear in the exercise book, it is sometimes necessary to compare and revise them with the textbook, so the exercise book and the textbook need to be fixed on the same plane. Therefore, a same-plane fixing device is needed to fix the exercise book and the textbook.

[0003] When the existing same-plane fixing device is used to fix the exercise book and the textbook, it is usually not convenient to turn the pages of the exercise book and the textbook. When turning the pages, it needs to be disassembled and re-fixed, which is quite troublesome. At the same time, the same-plane fixing device is usually not suitable for fixing exercise books and textbooks of different sizes, and has low practicality. Utility Model Content

[0004] The utility model aims to solve the problem in the prior art that when the exercise book and the teaching material are fixed by the same plane fixing device, it is usually inconvenient to turn the pages of the exercise book and the teaching material. When turning the pages, the exercise book and the teaching material need to be disassembled and re-fixed, which is quite troublesome. A same plane fixing device for exercise books is proposed.

[0005] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a device for fixing exercise books on the same plane, comprising a placing plate, two L-shaped plates are fixed on the top of the placing plate, a sliding groove is opened on the top of the placing plate and near the edge, a screw is embedded in the inside of the sliding groove, a moving part is sleeved and threadedly connected on the surface of the screw, an L-shaped moving plate is fixed on the top of the moving part, a U-shaped plate is arranged below the L-shaped plate and the L-shaped moving plate, an extrusion roller is rotated on the internal bearing of the U-shaped plate, a connecting rod is fixed on the top of the U-shaped plate and near the center, the top of the connecting rod passes through the L-shaped plate and the L-shaped moving plate and is slidably connected thereto, and a spring is sleeved on the surface of the connecting rod and located below the L-shaped plate and the L-shaped moving plate.

[0006] Preferably, support blocks are fixedly connected to the bottom of the placement plate and near the four corners, and the shape of the support blocks is trapezoidal.

[0007] Preferably, the top of the spring is fixedly connected to the bottom of the L-shaped plate and the L-shaped movable plate, and the bottom of the spring is fixedly connected to the top of the U-shaped plate.

[0008] Preferably, the inner walls of one side of the L-shaped plate and the L-shaped movable plate are provided with limiting grooves, the interior of the limiting grooves are fixedly connected with sliding rods, the surfaces of the sliding rods are sleeved and slidably connected with limiting parts, and the limiting parts are fixedly connected to the U-shaped plate.

[0009] Preferably, a disc is fixedly connected to the top of each connecting rod.

[0010] Preferably, one end of the screw is rotatably connected to an inner wall bearing at one end of the slide slot, the other end of the screw passes through the other end of the slide slot and is rotatably connected to a placement plate bearing, and one end of the screw is fixedly connected to a turntable.

[0011] Compared with the prior art, the advantages and positive effects of the utility model are:

[0012] 1. In the utility model, the U-shaped plate can be raised by pulling the disc, and then both ends of the opened exercise book and textbook are embedded under the squeezing roller. At this time, the U-shaped plate is pushed down by the spring, so as to fix both ends of the exercise book and textbook. At this time, when turning the page, the page can be pulled out from under the squeezing roller and embedded under the squeezing roller at the other end, so that the page can be turned without disassembling and fixing again, thereby achieving the effect of convenient use.

[0013] 2. In the utility model, the screw is rotated to drive the moving part to move, and the movement of the moving part drives the L-shaped moving plate to move, which can adjust the distance between the L-shaped plates, so that it can be suitable for fixing exercise books and teaching materials of different sizes, thereby improving the practicality of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 The utility model provides a three-dimensional diagram of the overall structure of a same-plane fixing device for exercise books;

[0015] Figure 2 The utility model provides a vertical cross-sectional view of the overall structure of a same-plane fixing device for exercise books;

[0016] Figure 3 The utility model provides a cross-sectional view of the overall structure of a device for fixing an exercise book on the same plane;

[0017] Figure 4 The utility model provides a three-dimensional diagram of the squeezing roller structure of a same-plane fixing device for exercise books.

[0018] Legend: 1. Placement plate; 2. Support block; 3. L-shaped plate; 4. Slide groove; 5. Screw rod; 6. Moving part; 7. L-shaped moving plate; 8. Connecting rod; 9. U-shaped plate; 10. Extrusion roller; 11. Spring; 12. Disc; 13. Limiting groove; 14. Slide rod; 15. Limiting part; 16. Turntable. DETAILED DESCRIPTION

[0019] In order to more clearly understand the above-mentioned purpose, features and advantages of the utility model, the utility model is further described below in conjunction with the accompanying drawings and embodiments. It should be noted that the embodiments of the present application and the features in the embodiments can be combined with each other without conflict.

[0020] In the following description, many specific details are set forth to facilitate a full understanding of the present invention. However, the present invention may also be implemented in other ways than those described herein. Therefore, the present invention is not limited to the specific embodiments of the following disclosure.

[0021] Embodiment 1, as Figure 1-4 As shown, the utility model provides a device for fixing exercise books on the same plane, including a placing plate 1, two L-shaped plates 3 are fixed on the top of the placing plate 1, a slide groove 4 is opened on the top of the placing plate 1 and near the edge, a screw rod 5 is embedded in the inside of the slide groove 4, a moving part 6 is sleeved and threadedly connected on the surface of the screw rod 5, an L-shaped moving plate 7 is fixed on the top of the moving part 6, a U-shaped plate 9 is provided below the L-shaped plate 3 and the L-shaped moving plate 7, an extrusion roller 10 is rotated on the internal bearing of the U-shaped plate 9, a connecting rod 8 is fixed on the top of the U-shaped plate 9 and near the center, the top of the connecting rod 8 passes through the L-shaped plate 3 and the L-shaped moving plate 7 and is slidably connected thereto, and a spring 11 is sleeved on the surface of the connecting rod 8 and located below the L-shaped plate 3 and the L-shaped moving plate 7.

[0022] The effect achieved by the entire embodiment 1 is that two L-shaped plates 3 are fixed on the top of the placement plate 1, a slide groove 4 is opened on the top of the placement plate 1 and close to the edge, a screw rod 5 is embedded in the inside of the slide groove 4, a moving part 6 is sleeved and threadedly connected on the surface of the screw rod 5, and an L-shaped moving plate 7 is fixed on the top of the moving part 6, which can make the screw rod 5 rotate to drive the moving part 6 to move, and the moving part 6 moves to drive the L-shaped moving plate 7 to move, so as to adjust the distance between the L-shaped plate 3 and the L-shaped moving plate 7, and the L-shaped moving plate 7 can be adjusted by the L A U-shaped plate 9 is provided below the type plate 3 and the L-shaped movable plate 7. An extrusion roller 10 rotates on the internal bearing of the U-shaped plate 9. A connecting rod 8 is fixed on the top of the U-shaped plate 9 and near the center. The top of the connecting rod 8 passes through the L-shaped plate 3 and the L-shaped movable plate 7 and is slidably connected thereto. A spring 11 is provided on the surface of the connecting rod 8 and below the L-shaped plate 3 and the L-shaped movable plate 7, which can pull the connecting rod 8 to drive the U-shaped plate 9 to rise. At the same time, when the connecting rod 8 is released, the spring 11 will reset the U-shaped plate 9.

[0023] Embodiment 2, as Figure 1-4As shown, the bottom of the placement plate 1 and near the four corners are fixedly connected with support blocks 2, and the shape of the support blocks 2 is trapezoidal; the top of the spring 11 is fixedly connected to the bottom of the L-shaped plate 3 and the L-shaped movable plate 7, and the bottom of the spring 11 is fixedly connected to the top of the U-shaped plate 9; a limiting groove 13 is provided on the inner wall of one side of the L-shaped plate 3 and the L-shaped movable plate 7, and a sliding rod 14 is fixedly connected inside the limiting groove 13, and a limiting member 15 is sleeved and slidably connected on the surface of the sliding rod 14, and the limiting member 15 is fixedly connected to the U-shaped plate 9; a disc 12 is fixedly connected to the top of the connecting rod 8; one end of the screw rod 5 is rotatably connected to the inner wall bearing of one end of the slide groove 4, and the other end of the screw rod 5 passes through the other end of the slide groove 4 and is rotatably connected to the placement plate 1 bearing, and one end of the screw rod 5 is fixedly connected to a turntable 16.

[0024] The effect achieved by the entire embodiment 2 is that the support blocks 2 are fixedly connected to the bottom of the placement plate 1 and near the four corners. The shape of the support blocks 2 is trapezoidal, which can play the role of supporting the bottom of the placement plate 1; the top of the spring 11 is fixedly connected to the bottom of the L-shaped plate 3 and the L-shaped movable plate 7, and the bottom of the spring 11 is fixedly connected to the top of the U-shaped plate 9, which can play the role of limiting the two ends of the spring 11; a limiting groove 13 is provided on the inner wall of one side of the L-shaped plate 3 and the L-shaped movable plate 7, and a sliding rod is fixedly connected to the inside of the limiting groove 13 14, the surface of the slide rod 14 is sleeved and slidably connected with a limiting member 15, and the limiting member 15 is fixedly connected to the U-shaped plate 9, which can play a role in limiting the U-shaped plate 9; the top of the connecting rod 8 is fixedly connected with a disc 12, which can facilitate the pulling of the connecting rod 8; one end of the screw rod 5 is rotatably connected to the inner wall bearing of one end of the slide groove 4, the other end of the screw rod 5 passes through the other end of the slide groove 4 and is rotatably connected to the placement plate 1 bearing, and one end of the screw rod 5 is fixedly connected with a turntable 16, which can facilitate the rotation of the screw rod 5.

[0025] Working principle: the screw rod 5 is driven to rotate by the rotation of the turntable 16, the screw rod 5 is driven to move the moving part 6, the moving part 6 is driven to move the L-shaped moving plate 7, which can adjust the distance between the L-shaped plate 3 and the L-shaped moving plate 7, so that it can be suitable for fixing exercise books and teaching materials of different sizes, thereby improving the practicality of the device. At this time, the disc 12 can be pulled to raise the U-shaped plate 9. At this time, both ends of the opened exercise book and teaching material are embedded under the squeezing roller 10. At this time, the U-shaped plate 9 is pushed down by the spring 11, thereby fixing both ends of the exercise book and teaching material. At this time, when turning the page, the page can be pulled out from under the squeezing roller 10 and can be embedded under the squeezing roller 10 at the other end, which can achieve the effect of turning the page without re-disassembling the fixation, thereby achieving the effect of convenient use.

[0026] The wiring diagram of the screw rod 5 in the present invention is common knowledge in the art, and its working principle is a known technology. The model is selected according to the actual use, so the control method and wiring arrangement of the screw rod 5 are not explained in detail.

[0027] The above description is only a preferred embodiment of the present invention and does not limit the present invention in other forms. Any technician familiar with the profession may use the technical content disclosed above to change or modify it into an equivalent embodiment with equivalent changes and apply it to other fields. However, any simple modification, equivalent change and modification made to the above embodiment based on the technical essence of the present invention without departing from the content of the technical solution of the present invention still falls within the protection scope of the technical solution of the present invention.

Claims

1. A device for fixing exercise books on the same plane, comprising a placement plate (1), characterized in that: Two L-shaped plates (3) are fixed on the top of the placement plate (1). A slide groove (4) is provided on the top of the placement plate (1) and near the edge. A screw rod (5) is embedded inside the slide groove (4). A moving part (6) is sleeved on the surface of the screw rod (5) and threadedly connected. An L-shaped moving plate (7) is fixed on the top of the moving part (6). A U-shaped plate (9) is provided below the L-shaped plate (3) and the L-shaped moving plate (7). An extrusion roller (10) rotates on the internal bearing of the U-shaped plate (9). A connecting rod (8) is fixed on the top of the U-shaped plate (9) and near the center. The top of the connecting rod (8) passes through the L-shaped plate (3) and the L-shaped moving plate (7) and is slidably connected thereto. A spring (11) is sleeved on the surface of the connecting rod (8) and located below the L-shaped plate (3) and the L-shaped moving plate (7).

2. The same plane fixing device for exercise books according to claim 1, characterized in that: Support blocks (2) are fixedly connected to the bottom of the placement plate (1) and near the four corners, and the shape of the support blocks (2) is trapezoidal.

3. The same plane fixing device for exercise books according to claim 1, characterized in that: The top of the spring (11) is fixedly connected to the bottom of the L-shaped plate (3) and the L-shaped movable plate (7), and the bottom of the spring (11) is fixedly connected to the top of the U-shaped plate (9).

4. The same plane fixing device for exercise books according to claim 1, characterized in that: The inner walls of one side of the L-shaped plate (3) and the L-shaped movable plate (7) are both provided with a limiting groove (13), the interior of the limiting groove (13) is fixedly connected with a sliding rod (14), the surface of the sliding rod (14) is sleeved with and slidably connected with a limiting member (15), and the limiting member (15) is fixedly connected to the U-shaped plate (9).

5. The same plane fixing device for exercise books according to claim 1, characterized in that: The top of each connecting rod (8) is fixedly connected to a disc (12).

6. The same plane fixing device for exercise books according to claim 1, characterized in that: One end of the screw rod (5) is rotatably connected to an inner wall bearing at one end of the slide groove (4), and the other end of the screw rod (5) passes through the other end of the slide groove (4) and is rotatably connected to a bearing of the placement plate (1), and one end of the screw rod (5) is fixedly connected to a rotating disk (16).

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