CN221062982U - Cover plate structure and paper shredder - Google Patents

Abstract

The utility model relates to the technical field of paper shredders, in particular to a cover plate structure and a paper shredder. A cover plate structure, comprising: a cover plate; the paper pressing plate is elastically assembled on the cover plate; the guide posts are assembled on the cover plate, the guide posts are arranged in a plurality, the guide posts are located on the periphery of the paper pressing plate, a plurality of guide portions are arranged on the edge of the paper pressing plate in an extending mode, the guide portions are sleeved on the guide posts and slide along the guide posts, and a limiting portion is formed at one end, far away from the cover plate, of each guide post. A shredder comprises a casing, wherein the top end of the casing is provided with an opening; the cover plate structure is hinged and assembled at the opening of the shell; the paper supporting disc is positioned in the shell and below the cover plate structure, a paper shredding opening is formed on the paper supporting disc, and the paper pressing plate compresses paper borne on the paper supporting disc; the paper shredder mechanism is arranged in the shell and is positioned below the paper tray. The technical problems that the guide structure between the paper pressing plate and the cover plate of the paper shredder in the prior art increases the installation space of the paper pressing plate and reduces the movable space of the paper pressing plate are solved.

Description

Cover plate structure and paper shredder

Technical Field

The utility model relates to the technical field of paper shredders, in particular to a cover plate structure and a paper shredder.

Background

At present, from the aspect of preventing information leakage, the file is not always abandoned as it is, but is crushed by a shredder and then is subjected to garbage disposal, so that the effect of preventing information leakage is achieved. Paper shredders are a common office appliance, and the basic principle of paper shredders is to cut paper into small pieces by serrated blades.

The paper disclosed in the application number CN202223451721.3 is a paper pressing plate and an automatic paper shredder comprising the paper pressing plate, the structure comprises a paper pressing plate body connected to a paper shredder cover plate, the paper pressing plate body comprises a first paper pressing plate and a second paper pressing plate, and a space is arranged between the first paper pressing plate and the second paper pressing plate; the inner end of the second paper pressing plate is connected with a soft rubber plate, and the soft rubber plate extends towards the first paper pressing plate side and is not contacted with the first paper pressing plate. The paper pressing plate can generate elastic reverse thrust force for paper to be crushed, so that the paper pressing plate is more beneficial to the force application of the paper rubbing wheel of the paper shredder and improves the crushing effect, but when the paper pressing plate is assembled on the cover plate of the paper shredder, a guide structure is often arranged between the paper pressing plate and the cover plate, so that the assembly space of the paper pressing plate on the cover plate is enlarged, the space of the paper pressing plate for the cover plate to compress the elastic piece is limited, and the assembly volume is increased.

Disclosure of utility model

In order to solve the technical problems that a guide structure between a paper pressing plate and a cover plate of a paper shredder in the prior art increases the installation space of the paper pressing plate and reduces the movable space of the paper pressing plate, the utility model provides a cover plate structure and the paper shredder, and solves the technical problems.

In order to solve the above technical problems, the present utility model provides a cover plate structure, including:

A cover plate;

the paper pressing plate is elastically assembled on the cover plate;

The guide post, the guide post assembly is in on the apron, the guide post sets up to a plurality ofly, a plurality of the guide post is located the periphery of pressure cardboard, the border of pressure cardboard extends there is a plurality of guiding parts, the guiding part cover is in on the guide post, follow the guide post slides, the guide post keep away from the one end of apron is formed with spacing portion in order to spacing the guiding part.

According to one embodiment of the utility model, the number of the guide posts is 4, and the 4 guide posts are symmetrically distributed on two sides of the paper pressing plate.

According to one embodiment of the utility model, a plurality of springs are arranged between the cover plate and the paper pressing plate, the springs are uniformly distributed, one end of each spring is connected with the cover plate, and the other end of each spring is connected with the paper pressing plate.

According to one embodiment of the utility model, the cover plate is provided with a paper feeding port, and the paper pressing plate is provided with a paper passing port corresponding to the paper feeding port.

According to one embodiment of the utility model, the side of the paper pressing plate, which is far away from the cover plate, is provided with long bulges, the long bulges are parallel to the paper passing opening, and the long bulges are symmetrically distributed on two sides of the paper passing opening.

According to one embodiment of the utility model, the long protrusion is an arc-shaped protrusion, and the back surface of the long protrusion is a groove.

According to one embodiment of the utility model, both ends of the paper pressing plate are formed with downward bending folds.

The utility model also provides a shredder, comprising:

the top end of the shell is provided with an opening;

the cover plate structure is hinged and assembled at the opening of the shell;

The paper supporting disc is positioned in the shell and below the cover plate structure, a paper shredding opening is formed in the paper supporting disc, and the paper pressing plate presses paper borne on the paper supporting disc;

The paper shredding mechanism is arranged in the shell and is positioned below the paper tray.

According to one embodiment of the utility model, the paper supporting disc is provided with a protruding part in a direction, the protruding part is arranged corresponding to the paper pressing plate, and the protruding part is provided with a sensing part.

According to one embodiment of the utility model, the paper shredding machine further comprises a paper shredding wheel, wherein the paper shredding wheel drives paper to enter the paper shredding port.

Based on the technical scheme, the utility model has the following technical effects:

According to the cover plate structure, the paper pressing plate is arranged on the cover plate and is elastically assembled on the cover plate, the guide post is arranged on the cover plate and can limit the movement direction of the paper pressing plate, the guide post is arranged on the periphery of the paper pressing plate, the edge extension guide part of the paper pressing plate slides along the guide post, the paper pressing plate can slide along the guide post, the sliding range is enlarged, the gap between the paper pressing plate and the cover plate can be properly reduced, and the installation space is reduced; in addition, one end of the guide post far away from the cover plate is provided with a limiting part which can limit the guide part of the paper pressing plate and prevent the guide part from separating from the guide post;

According to the cover plate structure, the plurality of springs are arranged between the cover plate and the paper pressing plate, and are uniformly distributed, so that the paper pressing plate can be ensured to translate relative to the cover plate, and the paper on the paper supporting plate can be stably pressed;

According to the cover plate structure, the long bulges are formed on the paper pressing plate, so that different pressures can be applied to different positions of paper on the paper supporting plate by the long bulges so as to obtain the effects of drawing out staples, paperclips and the like; the long bulges can also play a role of reinforcing ribs, so that the strength of the paper pressing plate is increased; the back of the long bulge is correspondingly provided with a groove, so that the weight of the paper pressing plate is not increased, and the light weight of the structure is ensured; the two ends of the paper pressing plate are provided with the bent downward folded edges, and the two folded edges can block the paper with smaller size, so that the paper pressing plate is suitable for crushing the paper with different sizes;

The paper shredder adopts the cover plate structure, and the paper pressing plate can keep pressing the paper on the paper supporting plate, so that the paper rubbing wheel can be helped to drive the paper; in addition, the paper supporting disc is provided with a bulge, and the bulge is arranged corresponding to the paper pressing plate and can be matched with the long bulge and the folded edge on the paper pressing plate to press the paper. The sensing piece is arranged on the protruding part of the paper supporting disc, whether paper is put into the protruding part or not can be sensed, after the paper is put into the protruding part, the paper rubbing wheel and the paper shredding mechanism can be started to work, the paper is shredded, and the degree of automation is high.

Drawings

FIG. 1 is a schematic diagram of a cover plate structure of the present utility model;

FIG. 2 is a schematic view of the cover structure at another view angle;

fig. 3 is an enlarged view of a portion a in fig. 2;

FIG. 4 is a schematic structural view of a paper pressing plate;

FIG. 5 is a schematic view of the structure of the paper pressing plate at another view angle;

FIG. 6 is a schematic diagram of a shredder;

FIG. 7 is a schematic diagram of a shredder with the housing omitted;

FIG. 8 is a schematic view of a structure of a paper tray;

Fig. 9 is an enlarged view of a portion B of fig. 8;

In the figure: 1-a cover plate; 11-a paper feed port; 2-pressing a paperboard; 21-a guide; 22-paper passing port; 23-long protrusions; 24-groove; 25-flanging; 3-guide posts; 31-a limit part; 4-a spring; 5-a gas spring; 6-a shell; 7-tray; 71-shredding port; 72-a boss; 73-sensing piece; 8-paper shredding mechanism; 9-a paper rubbing wheel; 91-a rubber wheel; 92-blades; 10-a driving device; 101-a gear assembly.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. The following description of at least one exemplary embodiment is merely exemplary in nature and is in no way intended to limit the utility model, its application, or uses. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of exemplary embodiments according to the present application. As used herein, the singular is also intended to include the plural unless the context clearly indicates otherwise, and furthermore, it is to be understood that the terms "comprises" and/or "comprising" when used in this specification are taken to specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof.

The relative arrangement of the components and steps, numerical expressions and numerical values set forth in these embodiments do not limit the scope of the present utility model unless it is specifically stated otherwise. Meanwhile, it should be understood that the sizes of the respective parts shown in the drawings are not drawn in actual scale for convenience of description. Techniques, methods, and apparatus known to one of ordinary skill in the relevant art may not be discussed in detail, but are intended to be part of the specification where appropriate. In all examples shown and discussed herein, any specific values should be construed as merely illustrative, and not a limitation. Thus, other examples of the exemplary embodiments may have different values. It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further discussion thereof is necessary in subsequent figures.

In the description of the present utility model, it should be understood that the azimuth or positional relationships indicated by the azimuth terms such as "front, rear, upper, lower, left, right", "lateral, vertical, horizontal", and "top, bottom", etc., are generally based on the azimuth or positional relationships shown in the drawings, merely to facilitate description of the present utility model and simplify the description, and these azimuth terms do not indicate and imply that the apparatus or elements referred to must have a specific azimuth or be constructed and operated in a specific azimuth, and thus should not be construed as limiting the scope of protection of the present utility model; the orientation word "inner and outer" refers to inner and outer relative to the contour of the respective component itself.

Spatially relative terms, such as "above … …," "above … …," "upper surface on … …," "above," and the like, may be used herein for ease of description to describe one device or feature's spatial location relative to another device or feature as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations in use or operation in addition to the orientation depicted in the figures. For example, if the device in the figures is turned over, elements described as "above" or "over" other devices or structures would then be oriented "below" or "beneath" the other devices or structures. Thus, the exemplary term "above … …" may include both orientations "above … …" and "below … …". The device may also be positioned in other different ways (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.

In addition, the terms "first", "second", etc. are used to define the components, and are only for convenience of distinguishing the corresponding components, and the terms have no special meaning unless otherwise stated, and therefore should not be construed as limiting the scope of the present utility model.

As shown in fig. 1 to 9, the present embodiment provides a cover plate structure, which includes a cover plate 1 and a paper pressing plate 2, wherein the paper pressing plate 2 is elastically assembled on the cover plate 1, a guiding structure is provided between the paper pressing plate 2 and the cover plate 1, and the paper pressing plate 2 can slide relative to the cover plate 1. When the cover plate structure is used on a shredder, the paper pressing plate 2 can press paper to adapt to the thickness of the paper.

The cover plate 1 is formed with a paper feed port 11, and a user can directly feed paper to be broken from the paper feed port 11. In the present embodiment, the paper feed port 11 is provided at the intermediate position of the cover plate 1.

The paper pressing plate 2 is arranged below the cover plate 1, and a paper passing opening 22 is formed in the paper pressing plate 2 so as to facilitate paper passing; a plurality of springs 4 are arranged between the paper pressing plate 2 and the cover plate 1, and the springs 4 are uniformly distributed. One end of the spring 4 is connected with the cover plate 1, and the other end of the spring 4 is connected with the paper pressing plate 2.

As a preferable technical solution of the present embodiment, in order to limit the movement direction of the paper pressing plate 2, the paper pressing plate 2 is prevented from being deviated, and a guide structure is provided between the cover plate 1 and the paper pressing plate 2 to limit the movement direction of the paper pressing plate 2. The guide structure comprises a plurality of guide posts 3, the guide posts 3 are fixed on the cover plate 1 and located at the periphery of the paper pressing plate 2, guide portions 21 correspondingly extend at the edges of the paper pressing plate 2, through holes are formed in the guide portions 21, the guide portions 21 can be sleeved on the corresponding guide posts 3, and the paper pressing plate 2 can move along the guide posts 3. Preferably, the guide posts 3 are provided in plurality, and the plurality of guide posts 3 are symmetrically arranged at the periphery of the paper pressing plate 2. In this embodiment, 4 guide posts 3 are provided, and the 4 guide posts are symmetrically distributed on two sides of the paper pressing plate 2.

As a preferable solution of this embodiment, a limiting portion 31 is formed at one end of the guide post 3 away from the cover plate 1, and the limiting portion 31 can block the guide portion 21 to prevent the guide portion 21 from falling out.

As a preferable technical scheme of the embodiment, the paper passing opening 22 is positioned in the middle of the paper pressing plate 2, and the paper passing opening 22 is arranged opposite to the paper feeding opening 11.

As a preferable technical scheme of the embodiment, a long protrusion 23 is formed on one surface of the paper pressing plate 2 far away from the cover plate 1, the long protrusion 23 extends parallel to the paper passing opening 22, and long protrusions 23 are symmetrically distributed on two sides of the paper passing opening 22. In this embodiment, two long protrusions 23 are respectively disposed on two sides of the paper passing opening 22, and the two long protrusions 23 are disposed at intervals and in parallel. Preferably, the long protrusion 23 is an arc-shaped protrusion, and the back of the long protrusion 23 is a groove 24.

As a preferable technical solution of the present embodiment, the two ends of the paper pressing plate 2 are formed with the folded edges 25, the folded edges 25 are curved downward folded edges, and when a small-sized paper is placed on the paper supporting plate 7, the two folded edges 25 can block the two ends of the paper.

The embodiment also provides a shredder, which comprises a casing 6, wherein the top end of the casing 6 is provided with an opening, and the cover plate structure is hinged and assembled at the opening at the top end of the casing 6; the paper supporting disc 7 is positioned in the shell 6, the paper supporting disc 7 is positioned below the cover plate structure and can be used for supporting paper to be crushed, and the paper pressing plate 2 can press the paper on the paper supporting disc 7; the paper shredding mechanism 8 is positioned in the casing 6, the paper shredding mechanism 8 is arranged below the paper tray 7, and the paper shredding mechanism 8 is used for shredding paper.

As the preferred technical scheme of this embodiment, in order to prevent the apron structure from falling down fast under the action of gravity and causing structural damage, be provided with air spring 5 between apron 1 and the casing 6, air spring 5 is at least two, is close to the articulated limit setting of apron 1 and casing 6, and air spring 5 articulates the assembly on the inner wall of casing 6, and air spring 5's flexible end articulates with apron 1. The gas spring 5 plays a role of buffering.

The paper tray 7 is formed with a shredding port 71, the shredding port 71 is arranged opposite to the paper passing port 22, a convex part 72 is formed on the surface of the paper tray 7 corresponding to the paper pressing plate 2, and the folded edges 25 at two ends of the paper pressing plate 2 can be just positioned at two sides of the convex part 72.

As a preferable technical scheme of the present embodiment, the tray 7 may be used to place A3 paper and A4 paper, and when the A3 paper is placed, both ends of the length of the paper are blocked by the side walls of the tray 7 to define the position of the paper; when the A4 sheet is placed, both ends of the length of the sheet are caught by the two flaps 25 of the sheet pressing plate 2.

As a preferred technical solution of this embodiment, the back of the protruding portion 72 is a concave structure, which can be used for assembling the rubbing wheel 9.

As a preferred technical solution of this embodiment, the boss 72 is provided with a sensing member 73, and the sensing member 73 is optionally but not limited to a gravity sensing member, and when the paper is placed on the paper supporting board 7, the sensing member 73 can sense the paper, so that the paper rubbing wheel 9 and the paper shredding mechanism 8 can be controlled to work, and paper shredding can be automatically started.

The paper rubbing wheels 9 are arranged in a plurality, the paper rubbing wheels 9 are distributed on two sides of the paper shredding port 71, and the paper rubbing wheels 9 positioned on the same side of the paper shredding port 71 are assembled on the same wheel shaft; correspondingly, the paper supporting plate 7 is provided with an avoidance hole corresponding to the paper rubbing wheel 9, and the paper rubbing wheel 9 can partially extend out of the avoidance hole to drive paper on the paper supporting plate 7 to enter the paper shredding port 71.

As a preferred technical scheme of the embodiment, the paper rubbing wheel 9 comprises a rubber wheel 91 and a blade 92, the outer edge of the blade 92 is provided with a knife tip, the knife tip protrudes out of the outer peripheral surface of the rubber wheel 91, and under the cooperation of the paper pressing plate 2, the knife tip can pass through a plurality of papers and drive the papers to enter the paper shredding opening 71. In this embodiment, the paper rubbing wheel 9 includes two rubber wheels 91, and blades 92 are stacked between the two rubber wheels 91 and on both sides of the two rubber wheels 91 to ensure stable feeding of paper.

The paper shredding mechanism 8 is positioned below the paper supporting plate 7, and a paper inlet of the paper shredding mechanism 8 is arranged opposite to the paper shredding opening 71. The driving device 10 drives the wheel shafts of the paper shredding mechanism 8 and the paper shredding wheel 9 to rotate simultaneously. The driving device 10 is assembled below the paper supporting plate 7, and the driving device 10 drives the paper breaking mechanism 8 and the two wheel shafts to rotate simultaneously through the gear transmission assembly 101.

As a preferable technical scheme of the embodiment, the paper shredding mechanism 8 is a double-toothed roller paper shredding mechanism, wherein roller shafts of two toothed rollers are respectively provided with a first gear, and the two first gears are meshed; the end parts of the two wheel shafts are respectively provided with a second gear, the two second gears are meshed, and the driving device 10 drives one first gear and one second gear to rotate through the gear transmission assembly 101, so that the paper shredding mechanism 8 and the paper shredding wheel 9 can be driven to work simultaneously.

The embodiments of the present utility model have been described in detail with reference to the drawings, but the present utility model is not limited to the above embodiments, and various changes can be made within the knowledge of those skilled in the art without departing from the spirit of the present utility model.

Claims (10)

1. A cover plate structure, comprising:

A cover plate (1);

A paper pressing plate (2), wherein the paper pressing plate (2) is elastically assembled on the cover plate (1);

Guide post (3), guide post (3) assemble on apron (1), guide post (3) set up to a plurality ofly, a plurality of guide post (3) are located the periphery of pressing cardboard (2), the border of pressing cardboard (2) extends there are a plurality of guide portions (21), guide portion (21) cover is in on guide post (3), follow guide post (3) slip, the one end of keeping away from of guide post (3) apron (1) is formed with spacing portion (31) in order to spacing guide portion (21).

2. A cover structure according to claim 1, characterized in that the number of guide posts (3) is 4, and that the 4 guide posts (3) are symmetrically distributed on both sides of the paper pressing plate (2).

3. The cover plate structure according to claim 1, wherein a plurality of springs (4) are arranged between the cover plate (1) and the paper pressing plate (2), the springs (4) are uniformly distributed, one end of each spring (4) is connected with the cover plate (1), and the other end of each spring (4) is connected with the paper pressing plate (2).

4. A cover plate structure according to claim 1, wherein a paper feed port (11) is formed on the cover plate (1), and a paper passing port (22) is formed on the paper pressing plate (2) corresponding to the paper feed port (11).

5. A cover plate structure according to claim 4, characterized in that a long protrusion (23) is formed on the side of the paper pressing plate (2) away from the cover plate (1), the long protrusion (23) is parallel to the paper passing opening (22), and the long protrusions (23) are symmetrically distributed on both sides of the paper passing opening (22).

6. A cover structure according to claim 5, wherein the long protrusions (23) are arc-shaped protrusions, and the back surfaces of the long protrusions (23) are grooves (24).

7. A cover structure according to any one of claims 5-6, characterized in that the two ends of the press plate (2) are formed with bent downward folds (25).

8. A shredder, comprising:

a housing (6), wherein an opening is formed in the top end of the housing (6);

The cover structure of any one of claims 1-7, which is hinge-fitted at the opening of the housing (6);

The paper supporting disc (7), the paper supporting disc (7) is positioned in the shell (6) and below the cover plate structure, a paper shredding opening (71) is formed on the paper supporting disc (7), and the paper pressing plate (2) presses the paper borne on the paper supporting disc (7);

And the paper shredding mechanism (8) is arranged in the shell (6) and is positioned below the paper tray (7).

9. A shredder according to claim 8, wherein the paper tray (7) is provided with a protruding portion (72) facing the paper pressing plate (2), the protruding portion (72) is provided with a sensing member (73) corresponding to the paper pressing plate (2).

10. A shredder according to claim 8, further comprising a paper rubbing wheel (9), wherein the paper rubbing wheel (9) rotates to drive paper into the shredding opening (71).