A shredder fireproof structure and a shredder

Abstract

The utility model relates to a kind of shredder flame-retardant structure and shredder, the shredder flame-retardant structure includes flame-retardant box, is provided with avoid position window on flame-retardant box, the main control circuit board of shredder is arranged in flame-retardant box, and there is toggle switch on main control circuit board, toggle switch extends out flame-retardant box from avoid position window and can move left and right in avoid position window, avoid position window is covered with flame-retardant mylar sheet, and flame-retardant mylar sheet is used to close main control circuit board under avoid position window, toggle switch can drive flame-retardant mylar sheet to move left and right on the surface of flame-retardant box.The shredder flame-retardant structure of the utility model is applied to shredder, and flame-retardant mylar sheet insulates high temperature on main control circuit board from being transferred to push button, so that push button can also use non-flame-retardant material, avoid the color difference between upper cover push button in appearance, and save cost simultaneously.

Description

Technical Field

[0001] This utility model relates to the technical field of paper shredders, and more specifically to a flame-retardant structure for a paper shredder and a paper shredder. Background Technology

[0002] During operation, the main control circuit board of the shredder head generates high temperatures. To protect this board, current technology typically mounts it within a flame-retardant housing to prevent heat-induced deformation or even ignition of surrounding components. The top cover of the shredder head has a push button that connects to a toggle switch on the main control circuit board. Since the toggle switch extends beyond the flame-retardant housing and can move left and right, a window is provided in the housing to allow it to extend and move. This window exposes an area of ​​the main control circuit board directly opposite the push button. Therefore, the push button is also made of flame-retardant material to prevent the high temperatures from the main control circuit board from transferring to the push button and causing it to deform or ignite. However, flame-retardant materials are expensive. To save costs, the top cover of the shredder head is usually made of non-flame-retardant material. This difference in materials results in a color difference between the top cover and the push button. In addition, if the dust and debris generated by the shredder falls onto the main control circuit board, these dust and debris are very likely to be ignited at high temperatures, thus burning the main control circuit board. Utility Model Content

[0003] The technical problem to be solved by this utility model is to provide a flame-retardant structure for a paper shredder. By modifying the mounting structure of the main control circuit board, the main control circuit board can be effectively protected, and the high temperature on the main control circuit board can be prevented from being transferred to the push button. This allows the push button to also use non-flame-retardant materials, avoids color difference between the top cover and the push button, and saves costs.

[0004] The technical solution of this utility model is to provide a flame-retardant structure for a paper shredder, including a flame-retardant box with a clearance window. The main control circuit board of the paper shredder is disposed inside the flame-retardant box, and a toggle switch is connected to the main control circuit board. The toggle switch extends out of the flame-retardant box from the clearance window and can move left and right inside the clearance window. A flame-retardant Mylar sheet is covered on the clearance window. The flame-retardant Mylar sheet is used to cover the main control circuit board under the clearance window. The toggle switch can drive the flame-retardant Mylar sheet to move left and right on the surface of the flame-retardant box.

[0005] Compared with existing technologies, the flame-retardant structure of this invention for a paper shredder has the following advantages: the flame-retardant box is a flame-retardant shell, and the clearance window is covered with a flame-retardant Mylar sheet. The flame-retardant Mylar sheet is a thin film made of polyester material, which can withstand temperatures up to 150℃ and can be used as a heat insulation layer and a sealing layer. When the toggle switch moves the flame-retardant Mylar sheet left and right on the surface of the flame-retardant box, the flame-retardant Mylar sheet can always cover the main control circuit board under the clearance window. That is, when the toggle switch is activated, the main control circuit board is jointly sealed by the flame-retardant box and the flame-retardant Mylar sheet, which can effectively protect the main control circuit board and prevent dust and debris from falling onto the main control circuit board through the clearance window, and also prevent the high temperature on the main control circuit board from being transmitted to the outside through the clearance window. When the flame-retardant structure of this invention is applied to a paper shredder, the flame-retardant Mylar sheet isolates the high temperature on the main control circuit board from being transmitted to the push button, so that the push button can also be made of non-flame-retardant material, avoiding color difference between the top cover and the push button in appearance, while also saving costs.

[0006] Preferably, the flame-retardant Mylar sheet has an opening, and the upper part of the toggle switch is inserted into the opening. The upper part of the toggle switch is fitted with the opening around its perimeter. This structure is simple, and the upper part of the toggle switch being inserted into the opening prevents the toggle switch from interfering with the flame-retardant Mylar sheet covering the clearance window, and also prevents the flame-retardant Mylar sheet from interfering with the toggle switch's operation. Furthermore, the flame-retardant Mylar sheet can move left and right together with the toggle switch.

[0007] Preferably, a sleeve cap is provided in the middle of the flame-retardant Mylar sheet. The sleeve cap is fitted onto the upper part of the toggle switch, and the flame-retardant Mylar sheet covers the main control circuit board and the toggle switch in the avoidance window. This structure is simple. Although the toggle switch is located below the flame-retardant Mylar sheet, the sleeve cap is fitted onto the upper part of the toggle switch, allowing other parts of the flame-retardant Mylar sheet to cover the avoidance window. The flame-retardant Mylar sheet does not interfere with the operation of the toggle switch, and it can also move left and right with the toggle switch.

[0008] Preferably, the flame-retardant box includes a box body and a cover, with one side of the box body and the cover rotatably connected by a hinge, and the other side being snap-fitted together by a snap-fit ​​structure. With this structure, the flame-retardant box can be easily opened and closed, facilitating the insertion of the main control circuit board.

[0009] Preferably, the flame-retardant box includes a box body and a cover, with the cover fixed to the box body by screws. This structure facilitates the installation of the main control circuit board inside the flame-retardant box.

[0010] Preferably, the flame-retardant box has at least two screw holes that penetrate both the box body and the cover, or the screw holes are located on the side of the box body and / or the cover. This structure facilitates the installation of the main control circuit board inside the shredder using screws.

[0011] This utility model also provides a paper shredder. The technical solution includes a shredder head and a shavings collection box. The shredder head includes an upper cover and a bottom shell. The upper cover is connected to the upper side of the bottom shell, and the shavings collection box is connected to the lower side of the bottom shell. The inner side of the upper cover is provided with a flame-retardant structure for the paper shredder as described in any one of the claims. The upper cover is also provided with a push button, which is connected to a toggle switch and can drive the toggle switch to move left and right. The upper cover is also provided with a paper inlet channel, and a paper shredder core is provided inside the bottom shell. The paper inlet of the paper shredder core is opposite to the paper inlet channel, and the paper shredder core is electrically connected to the main control circuit board.

[0012] Compared with the prior art, the paper shredder of this utility model has the following advantages: the main control circuit board is jointly sealed by the flame-retardant box and the flame-retardant Mylar sheet. The flame-retardant Mylar sheet isolates the high temperature on the main control circuit board from being transferred to the push button, so that the push button can also be made of non-flame-retardant material, avoiding color difference between the top cover and the push button in appearance, while also saving costs. The flame-retardant Mylar sheet also prevents dust and debris generated by the paper shredding head from falling onto the main control circuit board through the avoidance window, which can effectively protect the main control circuit board.

[0013] Preferably, the main control circuit board is equipped with an indicator light, and both the flame-retardant box and the top cover are provided with through holes corresponding to the indicator lights. The indicator lights are embedded in the corresponding through holes to emit light to the outside. With this structure, the indicator lights can be sealed off by the through holes on the flame-retardant box and the top cover, which facilitates the emission of indicator light to the outside while preventing the main control circuit board from transferring heat to the outside through the through holes, and also preventing dust and debris from falling onto the main control circuit board through the through holes. Attached Figure Description

[0014] Figure 1 This is an exploded view of Embodiment 1 of the flame-retardant structure for the paper shredder of this utility model.

[0015] Figure 2 This is a schematic diagram of the flame-retardant Mylar sheet in Embodiment 2 of the flame-retardant structure of the paper shredder of this utility model.

[0016] Figure 3 This is a schematic diagram of the internal structure of the shredder head of the present invention.

[0017] Figure 4 This is a schematic diagram of the paper shredder of this utility model.

[0018] As shown in the figure: 1. Top cover, 2. Bottom shell, 3. Push button, 4. Flame retardant box, 4-1. Box body, 4-2. Cover body, 4-3. Hinge, 4-4. Snap-fit ​​structure, 4-5. Clearance window, 5. Main control circuit board, 6. Flame retardant Mylar sheet, 6-1. Socket cap, 7. Toggle switch, 8. Screw hole, 9. Indicator light, 10. Handle, 11. Waste collection box, 12. Shredder mechanism, 13. Paper feed channel. Detailed Implementation

[0019] To better understand this application, various aspects of this application will be described in more detail with reference to the accompanying drawings. It should be understood that these detailed descriptions are merely illustrative of exemplary embodiments of this application and are not intended to limit the scope of this application in any way. Throughout the specification, the same reference numerals refer to the same elements.

[0020] In the accompanying drawings, the thickness, size, and shape of the objects have been slightly exaggerated for illustrative purposes. The drawings are for illustrative purposes only and are not drawn to scale.

[0021] It should also be understood that the terms "comprising," "having," "including," and "containing," when used in this specification, indicate the presence of the stated features, integrals, steps, operations, elements, and / or components, but do not exclude the presence or addition of one or more other features, integrals, steps, operations, elements, components, and / or combinations thereof. Furthermore, when expressions such as "...at least one" appear after a list of listed features, they modify the entire listed feature, not individual elements in the list.

[0022] Example 1:

[0023] The paper shredder of this utility model includes a shredder head and a shredder box 11. The shredder head includes an upper cover 1 and a bottom shell 2, as shown below. Figure 4 As shown, the upper cover 1 is connected to the upper side of the bottom shell 2 by screws. A push button 3 is provided on the upper cover 1, which can move left and right on the upper cover 1. Rotatable and retractable handles 10 are also provided on both sides of the upper cover 1 for easy carrying of the shredder. A paper inlet channel 13 is also provided on the upper cover 1. A shredder core 12 is located inside the bottom shell 2, and a shavings collection box 11 is connected to the lower side of the bottom shell 2. The paper inlet channel 13, the paper inlet of the shredder core 12, and the inner cavity of the shavings collection box 11 are vertically aligned. Figure 3 As shown, the inner side of the upper cover 1 is provided with the flame-retardant structure of the paper shredder of this utility model.

[0024] like Figure 1 As shown, the flame-retardant structure of the paper shredder of this utility model includes a flame-retardant box 4, which can be made of polypropylene (PP) material. The flame-retardant box 4 is provided with a clearance window 4-5. The main control circuit board 5 of the paper shredder is provided inside the flame-retardant box 4. A toggle switch 7 is connected to the main control circuit board 5. The toggle switch 7 extends out of the flame-retardant box 4 from the clearance window 4-5 and can move left and right inside the clearance window 4-5. A flame-retardant Mylar sheet 6 is covered on the clearance window 4-5. The flame-retardant Mylar sheet 6 is used to cover the main control circuit board 5 under the clearance window 4-5. The flame-retardant Mylar sheet 6 is provided with an opening. The upper part of the toggle switch 7 is inserted into the opening. The upper part of the toggle switch 7 is fitted with the opening with a gap around its perimeter. The toggle switch 7 can drive the flame-retardant Mylar sheet 6 to move left and right on the surface of the flame-retardant box 4.

[0025] Push button 3 is connected to toggle switch 7, used to move toggle switch 7 left and right. Indicator light 9 is provided on the main control circuit board 5. Through holes corresponding to indicator light 9 are provided on the flame-retardant box 4 and the upper cover 1. Indicator light 9 is embedded in the corresponding through hole and emits light outwards. The shredder mechanism is electrically connected to the main control circuit board 5. Two screw holes 8 are provided on the flame-retardant box 4, which penetrate both the box body 4-1 and the cover body 4-2. The flame-retardant box 4 is connected to the inside of the upper cover 1 by screws.

[0026] The flame-retardant box 4 is a flame-retardant shell. The clearance window 4-5 is covered with a flame-retardant Mylar sheet 6. The flame-retardant Mylar sheet is a thin film made of polyester material, with a temperature resistance range of -60℃ to 150℃. It can be used as a heat insulation layer and a sealing layer. When the toggle switch 7 moves the flame-retardant Mylar sheet 6 left and right on the surface of the flame-retardant box 4, the flame-retardant Mylar sheet 6 can always cover the main control circuit board 5 under the clearance window 4-5. That is, when the toggle switch 7 is activated, the main control circuit board 5 is sealed by the flame-retardant box 4 and the flame-retardant Mylar sheet 6. This can effectively protect the main control circuit board, prevent dust and debris from falling onto the main control circuit board through the clearance window 4-5, and also prevent the high temperature on the main control circuit board from being transmitted to the outside through the clearance window 4-5.

[0027] The flame-retardant structure of this utility model is applied to the paper shredder. Because the flame-retardant Mylar sheet 6 isolates the high temperature on the main control circuit board from the push button, the push button can also be made of non-flame-retardant material, avoiding color difference between the top cover and the push button in appearance, while also saving costs.

[0028] In this embodiment, the flame-retardant box 4 includes a box body 4-1 and a cover 4-2. One side of the box body 4-1 and the cover 4-2 are rotatably connected by a hinge 4-3, and the other side is snapped together by a snap-fit ​​structure 4-4. In other embodiments, the box body 4-1 and the cover 4-2 of the flame-retardant box 4 may also be connected only by screws.

[0029] Example 2:

[0030] The flame-retardant structure of the paper shredder in this embodiment differs from that in Embodiment 1. Specifically, a sleeve cap 6-1 is provided in the middle of the flame-retardant Mylar sheet 6. The sleeve cap is fitted onto the upper part of the toggle switch 7. The flame-retardant Mylar sheet 6 covers the main control circuit board 5 and the toggle switch 7 in the avoidance window 4-5. Figure 2As shown in the diagram. Although the toggle switch 7 is located below the flame-retardant Mylar sheet 6, the sleeve cap is fitted over the toggle switch 7. Other parts of the flame-retardant Mylar sheet 6 can cover the clearance window 4-5, blocking the main control circuit board 5 under the clearance window 4-5. This prevents dust and debris from falling onto the main control circuit board through the clearance window 4-5, and also prevents the high temperature on the main control circuit board from being transmitted to the outside through the clearance window 4-5. The flame-retardant Mylar sheet 6 will not interfere with the operation of the toggle switch 7, and the flame-retardant Mylar sheet 6 can also move left and right with the toggle switch 7.

[0031] The above are merely specific embodiments of this utility model and are not intended to limit the scope of implementation of this utility model. Any modifications or equivalent substitutions to this utility model without departing from its spirit and scope should be covered within the protection scope of the claims of this utility model.

Claims

1. A flame-retardant structure for a paper shredder, characterized in that, The device includes a flame-retardant box (4), which has a clearance window (4-5). The main control circuit board (5) of the paper shredder is installed inside the flame-retardant box (4). A toggle switch (7) is connected to the main control circuit board (5). The toggle switch (7) extends out of the flame-retardant box (4) from the clearance window (4-5) and can move left and right inside the clearance window (4-5). The clearance window (4-5) is covered with a flame-retardant Mylar sheet (6). The flame-retardant Mylar sheet (6) is used to cover the main control circuit board (5) under the clearance window (4-5). The toggle switch (7) can drive the flame-retardant Mylar sheet (6) to move left and right on the surface of the flame-retardant box (4).

2. The flame-retardant structure for a paper shredder according to claim 1, characterized in that, The flame-retardant Mylar sheet (6) has an opening, and the upper part of the toggle switch (7) is inserted into the opening. The upper part of the toggle switch (7) is fitted with the opening with a gap around it.

3. The flame-retardant structure for a paper shredder according to claim 1, characterized in that, A sleeve cap is provided in the middle of the flame-retardant Mylar sheet (6), and the sleeve cap is sleeved on the upper part of the toggle switch (7). The flame-retardant Mylar sheet (6) covers the main control circuit board (5) and the toggle switch (7) in the avoidance window (4-5).

4. The flame-retardant structure for a paper shredder according to claim 1, characterized in that, The flame-retardant box (4) includes a box body (4-1) and a cover (4-2). One side of the box body (4-1) and the cover (4-2) are rotatably connected by a hinge (4-3), and the other side is snapped together by a snap-fit ​​structure (4-4).

5. The flame-retardant structure for a paper shredder according to claim 1, characterized in that, The flame-retardant box (4) includes a box body (4-1) and a cover (4-2), with the cover (4-2) fixed to the box body (4-1) by screws.

6. The flame-retardant structure for a paper shredder according to claim 4 or 5, characterized in that, The flame-retardant box (4) is provided with at least two screw holes (8), which pass through both the box body (4-1) and the cover (4-2), or the screw holes (8) are provided on the side of the box body (4-1) and / or the cover (4-2).

7. A paper shredder, comprising a shredder head and a shredder storage box, wherein the shredder head comprises an upper cover (1) and a bottom shell (2), the upper cover (1) being connected to the upper side of the bottom shell (2), and the shredder storage box being connected to the lower side of the bottom shell (2); characterized in that, The inner side of the top cover (1) is provided with a flame-retardant structure for a paper shredder as described in any one of claims 1 to 6. The top cover (1) is also provided with a push button (3), which is connected to a toggle switch (7) and can drive the toggle switch (7) to move left and right. The top cover (1) is also provided with a paper inlet channel. The bottom shell (2) is provided with a paper shredder core. The paper inlet of the paper shredder core is opposite to the paper inlet channel. The paper shredder core is electrically connected to the main control circuit board (5).

8. The paper shredder according to claim 7, characterized in that, The main control circuit board (5) is equipped with an indicator light (9), and the flame retardant box (4) and the top cover (1) are equipped with through holes opposite to the indicator light (9). The indicator light (9) is embedded in the corresponding through hole and emits light to the outside.

Images