Elastic sheet for paper shredder
By designing an optimized spring piece structure for use in paper shredders, the problems in the existing technology that the spring is not durable and the spring pieces are not tightly clamped are solved, achieving tighter clamping and better durability.
Patent Information
- Application Number
- CN202420229024.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-01-30
- Publication Date
- 2025-01-21
- Estimated Expiration
- 2034-01-30
AI Technical Summary
The elastic parts in existing shredders are not durable and difficult to clean the shreds. When using shrapnel, it is easy to get stuck or slip off, and the deformation is not smooth.
A kind of shrapnel is designed for use in paper shredders. By optimizing the structure, the shrapnel snaps tighter and the shrapnel is less likely to slip off, while ensuring the normal operation of the shrapnel. The spring piece includes an upper L-shaped plate, a sloped plate, a curved plate, a lower L-shaped plate and a folding line plate. Through the design of these components, better clamping and positioning effects are achieved.
The elastic piece of this design is an integrated structure and has good durability. It can effectively engage the relatively moving plates to prevent slipping, and plays a positioning role when the elastic piece deforms, ensuring good assembly effect and simple installation.
Smart Images
Figure CN222369295U_ABST
Abstract
Description
Technical Field
[0001] The utility model belongs to the technical field of springs, and in particular relates to a spring piece used for a paper shredder. Background Art
[0002] Some paper shredders have a pressure plate assembly, which is equipped with an elastic part for rebound. If a spring is used for this elastic part, it will be not durable and paper fragments will be stuck in the spring and difficult to clean. If a spring clip is used, it is easy to cause problems such as loose connection or slipping, and the spring clip deformation process is not smooth. Therefore, a better design of the spring clip structure is needed. Utility Model Content
[0003] The utility model aims to solve the above problems and provide a spring piece for a paper shredder, which can optimize the structure so that the spring piece is more tightly connected, the spring piece itself is not easy to slip off and can ensure the normal operation of the spring piece.
[0004] The utility model is realized by the following technical solutions:
[0005] A spring piece for a paper shredder comprises an upper L-shaped plate with an opening upward, one end of the upper L-shaped plate in a horizontal plane is connected to an inclined panel obliquely downward, the lower end of the inclined panel is connected to one end of a lower L-shaped plate through an arc plate, the lower L-shaped plate is opened downward and is located directly below the inclined panel; the length of the lower L-shaped plate in the horizontal plane is less than the projection length of the inclined panel on the horizontal plane; the lower end of the lower L-shaped plate in a vertical plane is connected downward to a folding plate; the upper part of the folding plate is in a vertical plane, and the lower part is folded back toward the inner side of the opening of the lower L-shaped plate; an oblong hole is provided in the middle of the inclined panel, and the direction of the oblong hole is the same as the inclination direction of the inclined surface; a plug-in hole is provided in the middle of the bent part of the lower L-shaped plate; the upper L-shaped plate, the inclined panel, the arc plate, the lower L-shaped plate and the folding plate form an integrated structure.
[0006] Furthermore, the center line of the oval hole and the center line of the plug hole are located in the same vertical plane.
[0007] Furthermore, arc chamfers are provided on both sides of the upper end of the upper L-shaped plate.
[0008] Furthermore, the height of the upper L-shaped plate in the vertical direction is greater than the length in the horizontal direction.
[0009] Furthermore, the central angle of the arc plate is 120 to 160 degrees.
[0010] Furthermore, the angle between the horizontal portion of the lower L-shaped plate and the inclined plate is 10 to 30 degrees.
[0011] Furthermore, both side edges of the fold line plate gradually retract inward from top to bottom.
[0012] The beneficial effects of the utility model are as follows: the spring piece for a paper shredder designed by the utility model is an integrated structure with good durability; the upper L-shaped plate and the lower L-shaped plate are respectively used for clamping the end faces of the two plates that move relatively, the oval-shaped hole on the inclined plate can be clamped into the convex column of the plate, and the convex column can move in the oval-shaped hole, which will not hinder the deformation of the inclined plate and play a positioning role, and the spring piece is not easy to slip off; the plug-in hole of the lower L-shaped plate is convenient for inserting the protruding fixing piece on the plate, the folded plate is folded back in the opening direction of the lower L-shaped plate, and when the fixing piece is clamped into the plug-in hole, the end face of the plate is squeezed by the folded plate and further clamped; the whole spring piece has a good assembly effect and is easy to install. BRIEF DESCRIPTION OF THE DRAWINGS
[0013] Figure 1 It is a three-dimensional structural diagram of the utility model.
[0014] Figure 2 This is a three-dimensional structural diagram from another viewing angle of the utility model.
[0015] Figure 3 for Figure 1 Side view of.
[0016] Figure 4 for Figure 1 Bottom view of .
[0017] In the figure, 1, upper L-shaped plate, 2, inclined plate, 3, curved plate, 4, lower L-shaped plate, 5, fold line plate, 11, curved chamfer, 21, oblong hole, 41, plug-in hole. DETAILED DESCRIPTION
[0018] The present invention will be further described below in conjunction with specific examples and accompanying drawings.
[0019] like Figure 1-Figure 4As shown, a shrapnel for a paper shredder comprises an upper L-shaped plate 1 with an opening upward, arc chamfers 11 are provided on both sides of the upper end of the upper L-shaped plate 1 in the vertical plane part, and one end in the horizontal plane part is connected to an inclined panel 2 obliquely downward, and the height of the upper L-shaped plate 1 in the vertical direction is greater than the length in the horizontal direction. The lower end of the inclined panel 2 is connected to one end of the lower L-shaped plate 4 through an arc plate 3, the lower L-shaped plate 4 is opened downward and is located directly below the inclined panel 2, the arc plate 3 corresponds to a central angle of 160 degrees, the horizontal part of the lower L-shaped plate 4 and the inclined panel 2 are 15 degrees, and the length of the lower L-shaped plate 4 in the horizontal plane part is less than the projection length of the inclined panel 2 on the horizontal plane. The lower end of the lower L-shaped plate 4 in the vertical plane part is connected to a folding plate 5 downward; the upper part of the folding plate 5 is in the vertical plane, and the lower part is folded back to the inner side of the opening of the lower L-shaped plate 4, and the two sides of the folding plate 5 are gradually retracted inward from top to bottom. The middle of the inclined panel 2 is provided with an oval hole 21, and the direction of the oval hole 21 is the same as the inclination direction of the inclined surface; the middle of the bent portion of the lower L-shaped panel 4 is provided with a plug hole 41, and the projections of the plug hole 41 on the horizontal plane and the vertical plane are both square; the center line of the oval hole 21 and the center line of the plug hole 41 are located in the same vertical plane; the upper L-shaped panel 1, the inclined panel 2, the curved panel 3, the lower L-shaped panel 4 and the folding line panel 5 form an integrated structure. The length, height and width mentioned above are as follows: Figure 3 For reference, the up-down direction is the height, the left-right direction is the length, and the front-back direction is the width.
[0020] The shrapnel designed by the utility model for a paper shredder is an integrated structure. When assembled, the utility model is installed between two relatively moving plates and at the ends of the plates. The shrapnel of the utility model is installed at both ends of the plates. The upper L-shaped plate 1 and the lower L-shaped plate 4 are respectively inserted into the end surfaces of the two plates on the same side. The plate inserted into the upper L-shaped plate 1 is provided with a convex column inserted into the oblong hole 21, and the plate inserted into the lower L-shaped plate 4 is provided with a protruding fixing plate inserted into the plug hole 41. When the folding plate 5 is folded back toward the opening direction of the lower L-shaped plate 4 and the fixing plate is inserted into the plug-in hole 41, the end face of the plate is squeezed by the folding plate 5 and clamped on the plug-in hole 41. When the other plate is squeezed by the spring sheet of the utility model, when the inclined plate 2 is deformed around the arc plate 3, the convex column can move in the oval hole 21, which will not hinder the deformation of the inclined plate 2 and play a positioning role, is not easy to slip, has a good spring sheet assembly effect, and is easy to install.
[0021] The above embodiments are only preferred implementation modes of the present invention and are only used to explain the present invention rather than to limit the present invention. Any changes, substitutions, combinations, simplifications, modifications, etc. made by those skilled in the art without departing from the spirit and principles of the present invention shall be considered as equivalent replacement modes and shall be included in the protection scope of the present invention.
Claims
1. A shrapnel for a paper shredder, characterized in that: It comprises an upper L-shaped plate opening upward, one end of the upper L-shaped plate in the horizontal plane is connected to an inclined panel obliquely downward, the lower end of the inclined panel is connected to one end of the lower L-shaped plate through an arc plate, the lower L-shaped plate opening faces downward and is located directly below the inclined panel; the length of the lower L-shaped plate in the horizontal plane is less than the projection length of the inclined panel on the horizontal plane; the lower end of the lower L-shaped plate in the vertical plane is connected downward to a folded plate; the upper part of the folded plate is in the vertical plane, and the lower part is folded back toward the inner side of the opening of the lower L-shaped plate; an oblong hole is provided in the middle part of the inclined panel, and the direction of the oblong hole is the same as the inclination direction of the inclined surface; a plug-in hole is provided in the middle of the bent part of the lower L-shaped plate; the upper L-shaped plate, the inclined panel, the arc plate, the lower L-shaped plate and the folded plate form an integrated structure.
2. The shrapnel for a paper shredder according to claim 1, characterized in that: The center line of the oval hole and the center line of the plug hole are located in the same vertical plane.
3. The shrapnel for a paper shredder according to claim 1, characterized in that: Arc chamfers are arranged on both sides of the upper end of the upper L-shaped plate.
4. The shrapnel for a paper shredder according to claim 1, characterized in that: The height of the upper L-shaped plate in the vertical direction is greater than the length in the horizontal direction.
5. The shrapnel for a paper shredder according to claim 1, characterized in that: The central angle of the arc plate is 120 to 160 degrees.
6. The shrapnel for a paper shredder according to claim 1, characterized in that: The included angle between the horizontal portion of the lower L-shaped plate and the inclined plate is 10 to 30 degrees.
7. The shrapnel for a paper shredder according to claim 1, characterized in that: The two side edges of the folding plate are gradually retracted inwards from top to bottom.