Safety protection structure of paper shredder
By designing a paper feeding protection mechanism on the paper shredder, and using guide plates and squeeze rollers to automatically feed paper, the safety hazard of the hand being too close to the cutter roller during the use of the paper shredder is solved, and the safety and stability are improved.
Patent Information
- Application Number
- CN202520027884.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-07
- Publication Date
- 2026-01-06
- Estimated Expiration
- 2035-01-07
AI Technical Summary
In the use of existing paper shredders, users may place paper too close to the shredder rollers when manually placing it, posing a safety hazard of being cut.
A paper shredder safety protection structure including a paper feed protection mechanism was designed. Through the combination of guide plate and squeeze roller, paper is automatically fed and shredded, keeping hands away from the cutter roller and reducing safety risks.
It effectively reduces the safety hazard of hand injuries from the shredder's blade rollers, improves the safety and stability of the shredding process, and facilitates the collection and maintenance of paper scraps.
Smart Images

Figure CN223761145U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the technical field of safety protection for paper shredders, specifically a safety protection structure for paper shredders. Background Technology
[0002] The cutting principle of a paper shredder involves staggered blades or cutters that tear paper under the action of a power source. If the blades or cutters have sharp points, the shredded paper will be in segments or granules; if they do not, the shredded paper will be in strips. Therefore, during the shredding process, the user's hand is close to the cutting rollers, posing a safety hazard. Thus, a safety protection structure for such paper shredders plays a crucial role in their operation. To address this, Chinese Patent No. CN220371214U proposes a safety protection structure for paper shredders. This structure not only protects the paper shredder but also allows for easy installation, offering good versatility. Furthermore, it provides cushioning, ensuring the paper enters the shredder smoothly while preventing structural damage. It is simple to operate and highly practical.
[0003] However, existing paper shredders require users to manually feed the paper into the machine for shredding. Therefore, when holding the paper, the distance between the hand and the shredding roller is relatively close. If the user does not pay attention to the safe distance between the hand and the machine, there is a risk of being cut. In response, this design proposes a safety protection structure for paper shredders. Utility Model Content
[0004] The purpose of this utility model is to provide a safety protection structure for a paper shredder to solve the problems mentioned in the background art. To achieve the above objective, this utility model proposes a safety protection structure for a paper shredder, including a paper shredder body and a paper feed protection mechanism installed on the top of the paper shredder body;
[0005] The paper feeding protection mechanism includes a first mounting groove on one side of the top of the shredder body. A protective base is rotatably connected to the inner wall of the first mounting groove. A second mounting groove is provided on the top of the protective base. A first paper feeding groove is provided at the bottom of the inner wall of the second mounting groove. A guide plate is installed on the inner wall of the second mounting groove above the first paper feeding groove. A placement groove is provided on the inner wall of the guide plate. A connecting groove is provided at one end of the bottom of the inner wall of the guide plate, and the inner wall of the connecting groove communicates with the inner wall of the placement groove. A squeeze roller is rotatably connected to the inner wall of the connecting groove. One end of the squeeze roller passes through the outer wall of one side of the protective base and is connected to a motor.
[0006] In one example, a second paper feed slot is provided at the middle position of the bottom of the inner wall of the first mounting slot, and the inner wall of the second paper feed slot is connected to the inner wall of the first paper feed slot. A shredding roller is installed on the inner wall of the shredder body below the inner wall of the second paper feed slot. In another example, limit grooves are provided at both corners of the top of the shredder body, and limit strips are slidably connected to the inner walls of the two limit grooves.
[0007] In one example, the bottom of one side of each of the two limiting strips contacts the two sides of the top of the protective base, and a handle is fixedly provided on one side of the outer wall of the protective base.
[0008] In one example, a storage slot is provided on one side of the outer wall of the shredder body, and a paper scrap collection box is inserted into the inner wall of the storage slot.
[0009] In one example, a control switch is installed on one side of the top of the shredder body, and the motor and shredder roller are electrically connected to an external power source through the control switch.
[0010] Compared with the prior art, the beneficial effects of this utility model are as follows: By setting up a paper feeding protection mechanism, when the user uses the shredder to shred paper, the paper is placed in the placement slot at the top of the guide plate, and the motor drives the squeezing roller to squeeze and transfer the paper into the second paper feeding slot, where it is shredded by the shredder body. This design ensures that during the paper feeding process, the user's hand is separated from the shredder roller by the guide plate and the protective base, keeping the hand away from the shredder's shredder roller structure, thereby reducing the safety hazard of the hand being cut by the shredder roller during the paper feeding process. Attached Figure Description
[0011] Figure 1 This is a schematic diagram of the overall structure of this utility model;
[0012] Figure 2 This is a structural diagram of the back of the main body of the paper shredder of this utility model;
[0013] Figure 3 This is a schematic diagram of the paper feed protection mechanism of this utility model;
[0014] Figure 4 This is a schematic diagram of the internal structure of the first mounting slot of this utility model.
[0015] In the diagram: 1. Shredder body; 2. Paper feed protection mechanism; 201. First mounting slot; 202. Protective base; 203. Second mounting slot; 204. First paper feed slot; 205. Guide plate; 206. Placement slot; 207. Connecting slot; 208. Squeeze roller; 209. Motor; 210. Second paper feed slot; 211. Shredder roller; 3. Limiting slide; 4. Limiting clip; 5. Handle; 6. Collection slot; 7. Paper scrap collection box. Detailed Implementation
[0016] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.
[0017] Please see Figure 1-4 This utility model provides a technical solution: a paper shredder safety protection structure, including a paper shredder body 1 and a paper feeding protection mechanism 2 installed on the top of the paper shredder body 1;
[0018] The paper feeding protection mechanism 2 includes a first mounting groove 201 located on one side of the top of the shredder body 1. A protective base 202 is rotatably connected to the inner wall of the first mounting groove 201. A second mounting groove 203 is located on the top of the protective base 202. A first paper feeding groove 204 is located at the bottom of the inner wall of the second mounting groove 203. A guide plate 205 is mounted on the inner wall of the second mounting groove 203 above the first paper feeding groove 204. A placement groove 206 is located on the inner wall of the guide plate 205. A connecting groove 20 is located at one end of the bottom of the inner wall of the guide plate 205. 7. The inner wall of the connecting groove 207 is connected to the inner wall of the placement groove 206. The inner wall of the connecting groove 207 is rotatably connected to the squeezing roller 208. One end of the squeezing roller 208 passes through the outer wall of one side of the protective base 202 and is connected to the motor 209. The outer wall of one side of the protective base 202 is recessed. The motor 209 is installed in it so that the protective base 202 is not obstructed when rotating in the first mounting groove 201. The inner wall of the placement groove 206 is connected to the inner wall of the first paper feed groove 204, and then to the interior of the second paper feed groove 210.
[0019] A second paper feed slot 210 is provided at the middle position of the bottom of the inner wall of the first mounting slot 201, and the inner wall of the second paper feed slot 210 is connected to the inner wall of the first paper feed slot 204. A shredding roller 211 is installed on the inner wall of the shredder body 1 below the inner wall of the second paper feed slot 210. After shredding paper for a period of time, the protective base 202 can be rotated open to expose the second paper feed slot 210, which facilitates the maintenance of the shredding roller 211 below it and also makes it easy to clean up paper scraps stuck between its blades. In use, the protective base 202 is rotated and installed in the first mounting slot 201 at the top of the shredder body 1, so that the first paper feed slot 204 at its upper end is aligned and connected with the second paper feed slot 210 at the bottom of the inner wall of the first mounting slot 201. The paper to be shredded is placed into the placement slot 206 on the guide plate 205, and the motor 209 is started to drive the squeeze roller 208 to connect. The paper rotates in slot 207. Since the connecting slot 207 is connected to the placement slot 206, and the placement slot 206 is also connected to the inner wall of the first paper feed slot 204, when the squeezing roller 208 rotates in the connecting slot 207, its outer wall involves the lower edge of the placement slot 206, so that the paper entering is squeezed and driven by the squeezing roller 208, and then smoothly enters the first paper feed slot 204, and falls into the second paper feed slot 210, where it is shredded by the shredding roller 211 below it. During this process, the user only needs to hold the paper and place it in the placement slot 206 at the top of the guide plate 205. The shredding roller 211 on the shredder body 1 is shielded by the protective base 202. At the same time, the user's hand is separated from the shredding roller 211 by the guide plate 205 and the protective base 202, etc., to ensure the safety of the user when using the shredder to put paper and reduce the safety hazard of the hand being cut by the shredder blade roller.
[0020] Furthermore, limit grooves 3 are provided at the two corners of the top of the shredder body 1. The inner walls of the two limit grooves 3 are slidably connected to limit strips 4, and the limit strips 4 are limited by the limit grooves 3, so that they can only slide in the limit grooves 3 and will not leave the limit grooves 3.
[0021] The bottom of one side of the two limit strips 4 contacts the two sides of the top of the protective base 202 respectively. A handle 5 is fixedly provided on one side of the outer wall of the protective base 202. After the protective base 202 is installed, the limit strips 4 are slid in the limit groove 3 to squeeze and fix the top of the protective base 202, so that the protective base 202 can remain relatively stable when shredding paper, thus improving the stability of the shredder.
[0022] Furthermore, a storage slot 6 is provided on one side of the outer wall of the shredder body 1. A paper scrap collection box 7 is inserted and connected to the inner wall of the storage slot 6. After the shredder body 1 shreds the paper, the paper scraps fall into the paper scrap collection box 7 inside the storage slot 6, and can be pulled out of the storage slot 6 for cleaning.
Claims
1. A shredder safety protection structure, comprising a shredder body (1) and a paper feeding protection mechanism (2) installed on the top of the shredder body (1). characterized in that The paper feeding protection mechanism (2) comprises a first mounting groove (201) opened on one side of the top of the shredder body (1), the inner wall of the first mounting groove (201) is rotationally connected with a protection base (202), the top of the protection base (202) is provided with a second mounting groove (203), the bottom of the inner wall of the second mounting groove (203) is provided with a first paper feeding groove (204), the upper portion of the inner wall of the second mounting groove (203) is provided with a guide plate (205), the inner wall of the guide plate (205) is provided with a placing groove (206), one end of the bottom of the inner wall of the guide plate (205) is provided with a connecting groove (207), the inner wall of the connecting groove (207) is in communication with the inner wall of the placing groove (206), the inner wall of the connecting groove (207) is rotationally connected with a squeezing roller (208), one end of the squeezing roller (208) is connected with a motor (209) through the outer wall of one side of the protection base (202).
2. The safety protection structure of a paper shredder according to claim 1, wherein: The middle position of the bottom of the inner wall of the first mounting groove (201) is provided with a second paper feeding groove (210), the inner wall of the second paper feeding groove (210) is in communication with the inner wall of the first paper feeding groove (204), the inner wall of the shredder body (1) is provided with a shredding roller (211) below the inner wall of the second paper feeding groove (210).
3. The safety protection structure of a paper crusher according to claim 1, characterized in that: The top of the shredder body (1) is provided with a limiting sliding groove (3) at each corner, the inner wall of each limiting sliding groove (3) is slidingly connected with a limiting clamping strip (4).
4. The safety protection structure of a paper crusher according to claim 3, characterized in that: The bottom of one side of each limiting clamping strip (4) is in contact with the top of each side of the protection base (202), the outer wall of the protection base (202) is fixedly provided with a handle (5) on one side.
5. The safety protection structure of a paper crusher according to claim 1, characterized in that: The outer wall of the shredder body (1) is provided with a receiving groove (6) on one side, the inner wall of the receiving groove (6) is connected with a paper scrap collecting box (7).
6. The safety protection structure of a paper crusher according to claim 2, characterized in that: The top of one side of the shredder body (1) is provided with a control switch, the motor (209) and the shredding roller (211) are electrically connected with an external power supply through the control switch.
Citation Information
Patent Citations
Safety protection structure of paper shredder
CN220371214U