Protective structure for exercise book paper cutting

Abstract

The utility model discloses a protection structure for exercise book paper cutting, and belongs to the technical field of protection structures. The protection structure for exercise book paper cutting comprises a protection frame, the interior of the protection frame is rotationally connected with an adjusting rod through a rotating shaft, the surface of the adjusting rod is in threaded connection with a movable seat, the bottom of the movable seat is fixedly connected with a knife rest, and the bottom of the knife rest is movably connected with a fixed knife body; by designing the adjusting rod rotationally connected with the interior of the protection frame and the movable seat in threaded connection with the adjusting rod and combining the fixed cutter body movably connected with the bottom of the cutter rest, the functions of stretching out of the fixed cutter body in use and retracting of the fixed cutter body when the fixed cutter body is not used are achieved; by means of the design, the risk that when the fixed cutter body is not used, the human body is injured is effectively avoided, the convenience of cutting operation is improved, and meanwhile, an in-out groove matched with the fixed cutter body is formed in one side of the protection frame, so that the fixed cutter body can be further conveniently stretched out and folded.

Description

Technical Field

[0001] The utility model relates to the technical field of protective structures, in particular to a protective structure for cutting exercise book paper. Background Art

[0002] The main purpose of cutting exercise book paper is to meet the production needs of exercise books of different sizes and shapes. By cutting, paper sizes that meet the requirements can be obtained, which are convenient for writing, recording and flipping through. In existing exercise book paper cutting operations, fixed cutting tools are usually used to complete the cutting task.

[0003] First, fixed cutting tools are often exposed when not in use, which can easily cause accidental injuries to workers, especially in a busy work environment, where this risk is more significant. Second, since the cutting tools are fixed in position, it is inconvenient for workers to adjust the installation position as needed, resulting in workers needing to constantly adjust the position of the paper when cutting, which not only reduces cutting efficiency but also increases the complexity of the operation. In addition, traditional cutting devices often lack sufficient stability and flexibility, making it difficult to meet the needs of various cutting operation scenarios.

[0004] Therefore, in response to this problem, the present invention provides a protective structure for cutting exercise book paper. Utility Model Content

[0005] The purpose of the utility model is to solve the problems in the prior art and to provide a protective structure for cutting exercise book paper.

[0006] In order to achieve the above-mentioned purpose, the present invention adopts the following technical solution: a protective structure for cutting exercise book paper, comprising a protective frame, an adjusting rod rotatably connected to the interior of the protective frame via a rotating shaft, a movable seat being threadedly connected to the surface of the adjusting rod, a knife holder being fixedly connected to the bottom of the movable seat, a fixed knife body being movably connected to the bottom of the knife holder, a mounting hole being opened inside the fixed knife body, and a fixed threaded rod being threadedly connected to the interiors of the knife holder and the mounting hole, respectively.

[0007] Preferably, a limiting rod is provided on the inner wall of the protection frame, the movable seat is slidably connected to the limiting rod, and the limiting rod is located above the adjusting rod.

[0008] Preferably, one end of the adjusting rod passing through the protective frame is provided with a rotating seat, and the surface of the rotating seat is provided with an anti-slip pad.

[0009] Preferably, a double guide rod is symmetrically provided on the top of the protection frame, a sliding seat is symmetrically slidably provided on the surface of the double guide rod, and a mounting seat is respectively provided on both sides of the sliding seat.

[0010] Preferably, a spring is provided between the two sliding seats, and the spring is used to reset the sliding seat.

[0011] Preferably, a slot is provided on the side of the tool holder, and the fixed tool body is inserted into the slot.

[0012] Compared with the prior art, the present invention provides a protective structure for cutting exercise book paper, which has the following beneficial effects:

[0013] 1. The protective structure for cutting paper in this exercise book realizes the function of extending the fixed blade when in use and retracting it when not in use by designing an adjustment rod that is rotatably connected to the inside of the protective frame and a movable seat that is threadedly connected to it, combined with a fixed blade that is movably connected to the bottom of the blade holder. This design not only effectively avoids the risk of injury to the human body caused by the fixed blade when not in use, but also improves the convenience of cutting operations. At the same time, the entry and exit slots that match the fixed blade on one side of the protective frame further facilitate the extension and retraction operations of the fixed blade.

[0014] 2. The protective structure for cutting exercise notebook paper provides the possibility for subsequent functional expansion through the mounting seats on both sides of the sliding seat. In addition, the spring design set between the two sliding seats enables the sliding seat to move flexibly as needed and automatically reset to the initial position when not needed, further improving the convenience and stability of use. These designs together enhance the stability and flexibility of the entire protective structure, making it more suitable for various cutting operation scenarios. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 This is a schematic structural diagram of a protective structure for cutting exercise book paper proposed in the present invention;

[0016] Figure 2 This is a side view of the structure of a protective structure for cutting exercise book paper proposed in the present invention;

[0017] Figure 3 This is a top view of the protective structure for cutting exercise book paper proposed in the present invention;

[0018] Figure 4 The utility model provides a protective structure for cutting exercise paper. Figure 1 Enlarged view of area A in the middle.

[0019] In the figure: 1. Protective frame; 2. Adjusting rod; 3. Moving seat; 4. Tool holder; 401. Slot; 5. Fixed tool body; 6. Mounting hole; 7. Fixed threaded rod; 8. Limiting rod; 9. Rotating seat; 10. Double guide rod; 11. Sliding seat; 1101. Mounting seat; 12. Spring. DETAILED DESCRIPTION

[0020] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments.

[0021] In the description of the present invention, it should be understood that the terms "upper", "lower", "front", "back", "left", "right", "top", "bottom", "inside", "outside", etc., indicating directions or positional relationships, are based on the directions or positional relationships shown in the accompanying drawings. They are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction. Therefore, they cannot be understood as limitations on the present invention.

[0022] Reference Figures 1-4 The utility model discloses a protective structure for cutting exercise book paper, which mainly comprises a protective frame 1, an adjusting rod 2 is connected to the protective frame 1 through a rotating shaft, and the surface of the adjusting rod 2 is designed with a thread and is connected to a movable seat 3 through a thread. In this way, the movable seat 3 can be moved by rotating the adjusting rod 2. The bottom of the movable seat 3 is fixedly connected to a knife holder 4, and the bottom of the knife holder 4 is movably connected to a fixed knife body 5. This design allows the staff to extend the fixed knife body 5 for cutting when in use, and to retract the fixed knife body 5 when not in use, effectively avoiding the risk of injury to the human body caused by the fixed knife body 5 when not in use. In addition, a mounting hole 6 is provided inside the fixed knife body 5, and the knife holder 4 and the mounting hole 6 are both designed with threads. By passing the fixed threaded rod 7 through the knife holder 4 and screwing it into the mounting hole 6, the fixed knife body 5 can be firmly mounted on the knife holder 4. An inlet and outlet slot matching the fixed knife body 5 is also provided on one side of the protective frame 1, which facilitates the extension and retraction of the fixed knife body 5. As a result, the protective structure not only provides a safe cutting environment, but also improves the convenience of cutting.

[0023] Among them, a limit rod 8 is set on the inner wall of the protective frame 1. This limit rod 8 is located above the adjusting rod 2. The movable seat 3 is designed to be slidably connected with the limit rod 8. This not only ensures the stability of the movable seat 3 during movement, but also prevents the movable seat 3 from shifting when the adjusting rod 2 is rotated. The movement of the movable seat 3 on the adjusting rod 2 is smoother and more controllable, further improving the cutting accuracy and safety.

[0024] Among them, the adjusting rod 2 passes through one end of the protective frame 1 and is connected to a rotating seat 9, which is used to facilitate the user to rotate the adjusting rod 2. An anti-slip pad is added to the surface of the rotating seat 9, which can effectively prevent accidental rotation caused by hand slippage, improves the safety of use, and can more safely and accurately control the rotation of the adjusting rod 2, thereby achieving precise adjustment of the height of the tool holder 4 and the fixed tool body 5.

[0025] Among them, at the top of the protection frame 1, two double guide rods 10 are symmetrically arranged, which provide stable sliding tracks for the sliding seat 11, the surface of the double guide rod 10 is symmetrically provided with two sliding seats 11, and the two sides of the sliding seat 11 are respectively provided with mounting seats 1101 for mounting other auxiliary components or further fixing, increasing the stability and flexibility of the structure and providing the possibility for subsequent functional expansion.

[0026] Among them, between the two sliding seats 11, a spring 12 is arranged for resetting the sliding seat 11, when external force acts on the sliding seat 11, the sliding seat 11 can slide on the double guide rod 10, and when the external force disappears, the elastic force of the spring 12 will make the sliding seat 11 automatically reset to the initial position, so that the sliding seat 11 can be flexibly moved as needed and automatically reset when not needed, improving the convenience and stability of use.

[0027] Among them, a clamping groove 401 is opened on the side of the tool holder 4 for clamping installation of the fixed tool body 5, when it is necessary to install or replace the fixed tool body 5, only the clamping part of the fixed tool body 5 needs to be aligned with the clamping groove 401 and inserted, this design simplifies the installation and disassembly process of the fixed tool body 5, improves the work efficiency, at the same time, the design of the clamping groove 401 also ensures the stability of the fixed tool body 5 during cutting, prevents the fixed tool body 5 from falling off or shaking, as a result, this design not only improves the cutting precision, but also prolongs the service life of the fixed tool body 5.

[0028] The above is only the preferred specific embodiment of the present application, but the protection scope of the present application is not limited to this, any skilled person in the technical field according to the technical scheme and the utility model concept of the present application within the technical range disclosed by the present application makes equivalent replacement or change, should be covered in the protection scope of the present application.

Claims

1. A protective structure for cutting exercise book paper, comprising a protective frame (1), characterized in that: The protection frame (1) is internally connected to an adjusting rod (2) via a rotating shaft, the surface of the adjusting rod (2) is connected to a movable seat (3) via a thread, the bottom of the movable seat (3) is fixedly connected to a tool holder (4), the bottom of the tool holder (4) is movably connected to a fixed blade body (5), a mounting hole (6) is provided inside the fixed blade body (5), and the insides of the tool holder (4) and the mounting hole (6) are respectively connected to a fixed threaded rod (7) via a thread.

2. The protective structure for cutting exercise book paper according to claim 1, characterized in that: A limiting rod (8) is provided on the inner wall of the protection frame (1), the movable seat (3) is slidably connected to the limiting rod (8), and the limiting rod (8) is located above the adjustment rod (2).

3. The protective structure for cutting exercise book paper according to claim 1, characterized in that: One end of the adjusting rod (2) passing through the protection frame (1) is provided with a rotating seat (9), and the surface of the rotating seat (9) is provided with an anti-slip pad.

4. The protective structure for cutting exercise book paper according to claim 1, characterized in that: The top of the protection frame (1) is symmetrically provided with double guide rods (10), the surface of the double guide rods (10) is symmetrically slidably provided with sliding seats (11), and mounting seats (1101) are respectively provided on both sides of the sliding seat (11).

5. The protective structure for cutting exercise book paper according to claim 4, characterized in that: A spring (12) is provided between the two sliding seats (11), and the spring (12) is used to reset the sliding seat (11).

6. The protective structure for cutting exercise book paper according to claim 1, characterized in that: A slot (401) is provided on the side of the blade holder (4), and the fixed blade body (5) is inserted into the slot (401).

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