Paper shredder

Abstract

The utility model provides a paper shredder, and relates to the technical field of office equipment. The paper shredder comprises a main body part and a shredding part, the main body part comprises a control part, the crushing part is connected with the control part, the crushing part comprises a first blade group and a second blade group, the first blade group and the second blade group are arranged in parallel in the first direction, and the first blade group comprises two rows of first blades arranged in parallel in the second direction; the first blade group comprises two rows of first blades which are arranged in parallel in the first direction, the first blades in each row are meshed with the corresponding first blades in the other row, the second blade group comprises two rows of second blades which are arranged in parallel in the second direction, the second blades in each row are meshed with the corresponding second blades in the other row, and the shapes of tool bits of the first blades are different from those of the tool bits of the second blades. According to the smashing device, the smashing part provided with the first blade set and the second blade set at the same time can be arranged, the first blade set and the second blade set share one control part, the purpose of achieving two smashing effects through one control part is achieved, the structure of the device is simplified, and the performance of the device is improved.

Description

Technical Field

[0001] The present disclosure relates to the technical field of office machines, and in particular to a paper shredder. Background Art

[0002] A shredder is a machine used to cut paper into small pieces or strips. Its function is to protect the security of sensitive information and prevent document leakage. It is mainly used in offices, businesses or personal homes. By shredding paper, it can effectively prevent others from obtaining important information such as personal identity information, bank account numbers, company secrets, etc.

[0003] Different models of shredders may have different cutting capacities and security levels, and can handle paper of different thicknesses and sizes. Some shredders can also handle materials other than paper, such as hard materials such as credit cards and CDs.

[0004] At present, different types of shredders are needed to complete the shredding function for materials of different textures, but this shredding method is relatively cumbersome and requires multiple shredders of different models; or a shredder with two shredding effects is used for shredding, but usually this type of shredder needs to be equipped with different shredding mechanisms to ensure that it can adapt to a variety of shredding effects, resulting in the need for multiple sets of transmission mechanisms inside it, and its mechanical structure is relatively complex.

[0005] It should be noted that the information disclosed in the above background technology section is only used to enhance the understanding of the background of the present disclosure, and therefore may include information that does not constitute the prior art known to ordinary technicians in the field. Utility Model Content

[0006] In view of this, a paper shredder is provided, which can control two different blade groups through a control unit to achieve two different shredding effects, and simplifies the structure of the device and improves the performance of the device.

[0007] Other features and advantages of the present disclosure will become apparent from the following detailed description, or may be learned in part by the practice of the present disclosure.

[0008] According to one aspect of the present disclosure, there is provided a paper shredder, the paper shredder comprising:

[0009] A main body, the main body comprising a control unit, the control unit being used to control the operating state of the shredder;

[0010] A crushing part, the crushing part is connected to the control part, the crushing part includes a first blade group and a second blade group, the first blade group and the second blade group are arranged in parallel along a first direction, the first blade group includes two rows of first blades arranged in parallel along a second direction, the first blades in each row are meshed with the corresponding first blades in the other row, the second blade group includes two rows of second blades arranged in parallel along the second direction, the second blades in each row are meshed with the corresponding second blades in the other row, the blade head shape of the first blade is different from the blade head shape of the second blade, and the first direction is perpendicular to the second direction.

[0011] In an exemplary embodiment of the present disclosure, the shredder also includes a cover body, which covers the main body and is connected to the main body. The cover body is provided with a paper inlet, and the paper inlet includes a first inlet and a second inlet. The axes of the first inlet and the second inlet are located on the same straight line, and an isolation portion is provided between the end of the first inlet and the end of the second inlet.

[0012] In an exemplary embodiment of the present disclosure, the orthographic projection of the first inlet on the top surface of the cover body covers the orthographic projection of the first blade group on the top surface of the cover body, and the orthographic projection of the axis of the first blade group on the top surface of the cover body coincides with the orthographic projection of the axis of the first inlet on the top surface of the cover body.

[0013] In an exemplary embodiment of the present disclosure, the orthographic projection of the second inlet on the top surface of the cover body covers the orthographic projection of the second blade group on the top surface of the cover body, and the orthographic projection of the axis of the second blade group on the top surface of the cover body coincides with the orthographic projection of the axis of the second inlet on the top surface of the cover body.

[0014] In an exemplary embodiment of the present disclosure, a baffle is provided at the entrance of the paper inlet, the baffle is located on a side of the cover body close to the main body, and the baffle is used to cover the first inlet and / or the second inlet.

[0015] In an exemplary embodiment of the present disclosure, the baffle includes a first opening and a second opening, and when the first opening and the first entrance are in an overlapping position, the orthographic projection of the first opening on the top surface of the cover body covers the orthographic projection of the first entrance on the top surface of the cover body; when the second opening and the second entrance are in an overlapping position, the orthographic projection of the second opening on the top surface of the cover body covers the orthographic projection of the second entrance on the top surface of the cover body.

[0016] In an exemplary embodiment of the present disclosure, a slide rail is provided on a side of the cover body close to the main body, and the slide rail includes a first slide rail and a second slide rail arranged in parallel, the first slide rail and the second slide rail are arranged along an axial direction perpendicular to the baffle, and the two ends of the baffle are respectively slidably connected to the first slide rail and the second slide rail.

[0017] In an exemplary embodiment of the present disclosure, a dial button is provided on a side of the isolation portion away from the main body portion, and the dial button is connected to the baffle. The baffle can slide in the slide rail by toggling the dial button to different positions.

[0018] In an exemplary embodiment of the present disclosure, the shredder further includes a storage portion, the storage portion is used to store the debris crushed by the crushing portion, and the main body is cooperatively connected to the storage portion.

[0019] In an exemplary embodiment of the present disclosure, the storage portion includes a partition, and the partition separates the storage portion into a first storage chamber and a second storage chamber. The first inlet corresponds to the first storage chamber, and the second inlet corresponds to the second storage chamber.

[0020] The shredder provided by the present invention is connected to a pulverizing part through a control part. The pulverizing part includes a first blade group and a second blade group. The two different blade groups can be controlled simultaneously through a control part. The blade heads of the first blade and the second blade are different. Different blade groups can achieve different pulverizing effects. The shredder simplifies the structure of the equipment, realizes two different pulverizing effects with a relatively simple mechanical structure, improves the performance of the equipment, and the simplicity of the equipment structure is conducive to the subsequent maintenance of the equipment and replacement of parts.

[0021] It is to be understood that the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the present disclosure. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] The accompanying drawings herein are incorporated into the specification and constitute a part of the specification, illustrate embodiments consistent with the present disclosure, and together with the specification are used to explain the principles of the present disclosure. Obviously, the accompanying drawings described below are only some embodiments of the present disclosure, and for ordinary technicians in this field, other accompanying drawings can be obtained based on these accompanying drawings without creative work.

[0023] Figure 1 It is a schematic exploded view of a paper shredder in an exemplary embodiment of the present disclosure.

[0024] Figure 2 It is a schematic structural diagram of a shredding unit of a paper shredder in an exemplary embodiment of the present disclosure.

[0025] Figure 3 It is a schematic structural diagram of a cover body of a paper shredder in an exemplary embodiment of the present disclosure.

[0026] Figure 4 The figure is a schematic diagram of the working position of a dial button of a paper shredder in an exemplary embodiment of the present disclosure.

[0027] Figure 5 It is a schematic structural diagram of a baffle of a paper shredder in an exemplary embodiment of the present disclosure.

[0028] Figure 6 It is a schematic structural diagram of a storage portion of a paper shredder in an exemplary embodiment of the present disclosure.

[0029] The reference numerals are described as follows:

[0030] 100, main body; 200, crushing part; 210, first blade group; 211, first blade; 2111, first row first blade group; 2112, second row first blade group; 220, second blade group; 221, second blade; 2211, first row second blade group; 2212, second row second blade group; 300, cover; 311, first inlet; 312, second inlet; 313, isolation part; 320, baffle; 321, first opening; 322, second opening; 331, first slide rail; 332, second slide rail; 400, storage part; 410, first storage chamber; 420, second storage chamber; 430, partition; X, first direction; Y, second direction. DETAILED DESCRIPTION

[0031] Example embodiments will now be described more fully with reference to the accompanying drawings. However, the example embodiments can be implemented in a variety of forms and should not be construed as limited to the embodiments set forth herein; rather, these embodiments are provided so that the present disclosure will be comprehensive and complete and fully convey the concepts of the example embodiments to those skilled in the art. The same reference numerals in the figures represent the same or similar structures, and thus their detailed description will be omitted. In addition, the drawings are only schematic illustrations of the present disclosure and are not necessarily drawn to scale.

[0032] Although relative terms such as "upper" and "lower" are used in this specification to describe the relative relationship of one component of the illustration to another component, these terms are used in this specification only for convenience, such as according to the orientation of the examples described in the drawings. It is understood that if the device of the illustration is turned upside down, the component described as "upper" will become the component "lower". When a structure is "on" other structures, it may mean that the structure is formed integrally on the other structure, or that the structure is "directly" disposed on the other structure, or that the structure is "indirectly" disposed on the other structure through another structure.

[0033] The terms "a", "an", "the", "said" and "at least one" are used to indicate the presence of one or more elements / components / etc.; the terms "including" and "having" are used to express an open-ended inclusive meaning and mean that additional elements / components / etc. may exist in addition to the listed elements / components / etc.; the terms "first", "second" and "third" etc. are used merely as labels and are not intended to limit the quantity of their objects.

[0034] In the related art, a shredder is an office machine used to shred confidential or sensitive information media. Its shredding effect on the material to be shredded can be divided into various shapes such as strips, segments and granules. Different shredding effects can be adopted according to the shape, material and shredding requirements of different materials to be shredded. The materials to be shredded are not limited to soft materials such as paper, but also include hard materials such as CDs and cards. For materials to be shredded of different materials, different shredding blades and different shredding forces are required to achieve the preset shredding effect.

[0035] At present, there are many different types of shredders, among which, according to the number of inlets, they can be divided into single-inlet shredders and double-inlet shredders. Single-inlet shredders can only achieve a single shredding effect, and the shredding blades inside them can only shred materials of one material to be shredded, for example, only soft materials such as paper can be shredded, or only hard materials such as CDs can be shredded; double-inlet shredders may include two different shredding blades, which can shred materials of two different materials to be shredded, for example, different types of materials such as paper and CDs can be shredded to achieve two shredding effects, but the two inlets are usually arranged in parallel with different shredding blades, and the two groups of shredding blade heads are controlled by the control structure respectively, resulting in the overall mechanical structure and transmission principle of the shredder being more complicated, which is more unfavorable for the subsequent maintenance and parts replacement of the shredder.

[0036] Based on this, the present disclosure provides a method, such as Figure 1 As described above, the shredder includes a main body 100 and a shredding unit 200 .

[0037] The main body 100 includes a control unit, which is used to control the operating state of the shredder; the crushing unit 200 is connected to the control unit, and the crushing unit 200 includes a first blade group 210 and a second blade group 220, which are arranged in parallel along a first direction X, and the first blade group 210 includes two rows of first blades 211 arranged in parallel along a second direction Y, and the first blades 211 in each row are meshed with the corresponding first blades 211 in the other row, and the second blade group 220 includes two rows of second blades 221 arranged in parallel along the second direction Y, and the second blades 221 in each row are meshed with the corresponding second blades 221 in the other row, and the blade head shape of the first blade 211 is different from the blade head shape of the second blade 221, and the first direction X and the second direction Y are perpendicular to each other.

[0038] The shredder provided by the present disclosure is connected to a shredding section 200 via a control section. The shredding section 200 includes a first blade group 210 and a second blade group 220. The two different blade groups can be controlled simultaneously via a control section. The first blade 211 and the second blade 221 have different blade heads. Different blade groups can achieve different shredding effects. The shredder simplifies the structure of the equipment, achieves two different shredding effects using a relatively simple mechanical structure, improves the performance of the equipment, and the simplicity of the equipment structure is conducive to subsequent equipment maintenance and parts replacement.

[0039] The following will describe in detail the various parts of the paper shredder provided by the embodiment of the present disclosure in conjunction with the accompanying drawings:

[0040] In the embodiment provided by the present disclosure, the main body 100 includes a control unit, which is used to control the operating state of the shredder. The operating state of the shredder includes the start and stop of the shredder, and the shredding speed, shredding quantity, and start and stop of different blade groups of the shredder 200 in the shredder. The control unit may include a transmission system, and after the control unit is powered on, the transmission system can be controlled to operate to achieve the shredding effect of the shredder. The control unit can be a manual key or button, or a control device such as a microcontroller (such as a single-chip microcomputer, a microcomputer), so as to effectively control the shredder to shred the material. The transmission system can be a transmission system of a single-entry shredder available in the art, and its components and connection relationships are the same or similar to those of the transmission system of a single-entry shredder. It can be understood that the adaptive deformation of the transmission system of a single-entry shredder is also suitable for the shredder of the present disclosure, and the present disclosure does not make specific limitations.

[0041] In the embodiment provided in the present disclosure, the crushing part 200 is connected to the control part. For example, the control part may also include a transmission system, and the transmission system includes a transmission rod or a transmission shaft. The connection between the crushing part 200 and the control part can be achieved through the transmission rod or the transmission shaft. Of course, the connection relationship between the crushing part 200 and the control part can also adopt other connection methods, which are not specifically limited in the present disclosure.

[0042] The crushing section 200 can be controlled by the control section to crush materials of different materials. For example, the control section can control the rotation speed of the first blade group 210 and / or the second blade group 220 in the crushing section 200 to control the crushing speed of the crushing section 200. The specific control method and control relationship of the control section to the crushing section 200 are not described in detail here, but it should be understood that the connection method and control relationship between the control section and the crushing section 200 available in the art are all covered in the present disclosure.

[0043] like Figure 2 As shown, combined Figure 1 The crushing part 200 includes a first blade group 210 and a second blade group 220. The first blade group 210 and the second blade group 220 are arranged in parallel along a first direction X. The first blade group 210 includes two rows of first blades 211 arranged in parallel along a second direction Y. The first blades 211 in each row are meshed with the corresponding first blades 211 in the other row. The second blade group 220 includes two rows of second blades 221 arranged in parallel along the second direction Y. The second blades 221 in each row are meshed with the corresponding second blades 221 in the other row. The blade head shape of the first blade 211 is different from the blade head shape of the second blade 221. The first direction X and the second direction Y are perpendicular to each other.

[0044] Specifically, the first blade group 210 includes a first row of first blade groups 2111 and a second row of first blade groups 2112 arranged in parallel along the second direction Y, wherein each first blade 211 in the first row of first blade groups 2111 has a first blade 211 meshed with the second row of first blade groups 2112, and through the meshing arrangement between the two first blades 211, when the material to be crushed passes through the meshing portion of the two mutually meshing first blades 211, the structure of the material to be crushed can be destroyed to achieve the purpose of crushing. In addition, the lengths of the first row of first blade groups 2111 and the second row of first blade groups 2112 in the first direction X can be set according to the normal length of the material to be crushed. Normally, the length of the first blade group 210 in the first direction X can cover materials to be crushed of various lengths. The length of the first blade group 210 in the first direction X can be 20 cm to 150 cm, for example, it can be 20 cm, 30 cm, 40 cm, 50 cm, 60 cm, 70 cm, 80 cm, 90 cm, 100 cm, 110 cm, 120 cm, 130 cm, 140 cm or 150 cm, etc.

[0045] Since the first blade group 210 includes a plurality of first blades 211, when in use, the first blades 211 can be added or removed so that the number of the first blades 211 can be adapted to the actual crushing requirements. Of course, for crushing purposes, the number of the first blades 211 in the first row of the first blade group 2111 and the number of the first blades 211 in the second row of the first blade group 2112 are usually the same, so that a better crushing length and crushing effect can be achieved.

[0046] Taking the transmission system as a transmission shaft as an example, the first blade 211 can be circular or quasi-circular, with a through hole at its center, through which the first blade 211 can be sleeved on the transmission shaft, and the transmission shaft and the first blade 211 are relatively fixedly arranged, and the first blade 211 can be driven by the transmission shaft to rotate. Since the first blade assembly 210 has two rows, the number of transmission shafts can also be two, and the axes of the two transmission shafts are parallel and extend along the first direction X.

[0047] The second blade set 220 and the first blade set 210 are arranged in parallel along the first direction X, and the second blade set 220 includes two rows of second blades 221 arranged in parallel along the second direction Y, and the second blades 221 in each row are meshed with the corresponding second blades 221 in the other row. Similarly, the second blade set 220 may include a first row of second blade sets 2211 and a second row of second blade sets 2212, wherein the first row of second blade sets 2211 and the first row of first blade sets 2111 are arranged in parallel along the first direction X, and the second row of second blade sets 2212 and the second row of first blade sets 2112 are arranged in parallel along the first direction X. The first row of second blade sets 2211 and the second row of second blade sets 2212 in the second blade set 220 are arranged in the same manner as the first row of first blade sets 2111 and the second row of first blades 211 in the first blade set 210, and are not described in detail herein.

[0048] The length of the second blade group 220 in the first direction X can cover various lengths of materials to be crushed. The length of the second blade group 220 in the first direction X can be 20 cm to 150 cm, for example, 20 cm, 30 cm, 40 cm, 50 cm, 60 cm, 70 cm, 80 cm, 90 cm, 100 cm, 110 cm, 120 cm, 130 cm, 140 cm or 150 cm, etc.

[0049] The second blade 221 may also be circular or quasi-circular, and the connection method between the second blade 221 and the transmission shaft is the same as that of the first blade 211. The outer diameter of the second blade 221 may be the same as or different from the outer diameter of the first blade 211. For example, the outer diameter of the second blade 221 may be greater than the outer diameter of the first blade 211, or the outer diameter of the second blade 221 may be equal to the outer diameter of the first blade 211, or the outer diameter of the second blade 221 may be smaller than the outer diameter of the first blade 211. However, for the convenience of assembly and saving space, preferably, the outer diameter of the second blade 221 is equal to the outer diameter of the first blade 211.

[0050] The cutter head of the first blade 211 and the cutter head of the second blade 221 have different shapes. Through different cutter head shapes, different materials to be crushed can be crushed or different crushing effects can be achieved. For example, the cutter head of the first blade 211 has multiple saw teeth, and the multiple saw teeth are distributed more densely, which can achieve a crushing effect with strong crushing, such as crushing hard materials such as CDs. The saw teeth of the second cutter head are arranged more sparsely than the first blade 211, which can achieve a relatively weak crushing effect, such as crushing soft materials such as paper. The cutter heads of the first blade 211 and the second blade 221 can be multiple serrated cutter heads distributed along their outer diameters, or they can be smooth cutter heads. The shape of the cutter heads can be selected according to actual crushing needs.

[0051] In addition, the first blade head and the second blade head can also be made of materials with different hardnesses, and different hardnesses can be used to crush materials of different materials to be crushed. For example, the first blade head and the second blade head can be one of diamond, cemented carbide, tungsten, steel, iron, copper, aluminum, lead, and tin. Of course, the materials of the first blade head and the second blade head can also be the same, and the present disclosure does not make specific limitations.

[0052] In the present disclosure, the first blade set 210 and the second blade set 220 can achieve different crushing effects by using blade heads of different shapes and / or by using different materials. The first blade set 210 and the second blade set 220 are both connected to the same transmission system, and the same control unit can be used to control one crushing unit 200 to achieve two different crushing effects, thereby simplifying the structure of the device.

[0053] In the embodiment provided in the present disclosure, the shredder also includes a cover body 300, which covers the main body 100 and is connected to the main body 100. The cover body 300 is provided with a paper inlet, which includes a first inlet 311 and a second inlet 312. The axes of the first inlet 311 and the second inlet 312 are located on the same straight line, and an isolation portion 313 is provided between the end of the first inlet 311 and the end of the second inlet 312.

[0054] The main body 100 may be embedded in the cover 300, and the cover 300 may be a box structure with an opening on one side, and the cover 300 is connected to the main body 100. For example, a card slot may be provided on the inner wall of the cover 300, and a buckle that matches the card slot of the cover 300 may be provided on the outer peripheral side of the main body 100, and the connection between the cover 300 and the main body 100 is achieved by matching the buckle and the card slot. Of course, the connection between the cover 300 and the main body 100 is not limited to the card connection, and may also be a screw connection, bonding, riveting, or other connection.

[0055] like Figure 3 As shown, combined Figure 1 A paper inlet is provided on the side of the cover body 300 away from the main body 100. In the present disclosure, the paper inlet is only used to represent the entrance of the material to be shredded, and is not strictly limited to allow only paper to enter this entrance. The paper inlet in the present disclosure is suitable for a variety of materials to be shredded, for example, suitable for various types of paper, CDs, cards, etc.

[0056] The paper inlet includes a first inlet 311 and a second inlet 312, the axes of the first inlet 311 and the second inlet 312 are located on the same straight line, and a separation portion 313 is provided between the end of the first inlet 311 and the end of the second inlet 312. In the present disclosure, the separation portion 313 may be an area on the top surface of the cover 300 located between the first inlet 311 and the second inlet 312. For example, one side (top surface) of the cover 300 used to form the paper inlet is in the shape of a flat plate, and different through holes are provided in different areas on the top surface of the flat plate-shaped cover 300 to form the first inlet 311 and the second inlet 312, wherein the area of ​​the cover 300 located between the first inlet 311 and the second inlet 312 may be the separation portion 313. Alternatively, the separation portion 313 may also be an additionally provided separation structure. For example, when forming the first inlet 311 and the second inlet 312 on the cover 300, an integrally formed through hole may be used, and an isolation structure may be provided in the through hole to separate one through hole into the first inlet 311 and the second inlet 312.

[0057] The orthographic projection of the first inlet 311 on the top surface of the cover 300 covers the orthographic projection of the first blade set 210 on the top surface of the cover 300, and the orthographic projection of the axis of the first blade set 210 on the top surface of the cover 300 coincides with the orthographic projection of the axis of the first inlet 311 on the top surface of the cover 300. The first inlet 311 needs to expose the working part of the first blade set 210, and the material to be crushed enters the main body 100 through the first inlet 311, and can enter the working part of the first blade set 210 to crush the material to be crushed. In the present disclosure, in order to facilitate the entry of the material to be crushed into the first blade set 210 and to facilitate the positioning and assembly of the first blade set 210, the orthographic projection of the axis of the first blade set 210 on the top surface of the cover 300 is usually made to coincide with the orthographic projection of the axis of the first inlet 311 on the top surface of the cover 300.

[0058] The orthographic projection of the second inlet 312 on the top surface of the cover 300 covers the orthographic projection of the second blade set 220 on the top surface of the cover 300, and the orthographic projection of the axis of the second blade set 220 on the top surface of the cover 300 coincides with the orthographic projection of the axis of the second inlet 312 on the top surface of the cover 300. The second inlet 312 needs to expose the working part of the second blade set 220, and the material to be crushed enters the main body 100 through the second inlet 312, and can enter the working part of the second blade set 220 to crush the material to be crushed. In the present disclosure, in order to facilitate the entry of the material to be crushed into the second blade set 220 and to facilitate the positioning and assembly of the second blade set 220, the orthographic projection of the axis of the second blade set 220 on the top surface of the cover 300 is usually made to coincide with the orthographic projection of the axis of the first inlet 311 on the top surface of the cover 300.

[0059] In addition, a control button is also provided on the cover 300, and the control button is connected to the control unit. The control button can control the shredding unit 200 to work or stop working through the control unit, and the setting of the control button is convenient for the user to operate. Alternatively, the shredder can also be connected to a smart device through a wired connection such as a USB cable or a wireless connection such as Bluetooth, and the working state of the shredding unit 200 can be controlled through the smart device.

[0060] It should be noted that the first blade group 210 and the second blade group 220 in the crushing part 200 can work simultaneously or intermittently, and the working state of the two can depend on the requirements of the material to be crushed.

[0061] In the embodiment provided in the present disclosure, in order to prevent the paper inlet in a non-working state from being damaged by external impurities and causing damage to the blade, a baffle 320 is provided at the entrance of the paper inlet. The baffle 320 is located on a surface of the cover body 300 close to the main body 100. The baffle 320 is used to cover the first inlet 311 and / or the second inlet 312.

[0062] Among them, the baffle 320 includes a first opening 321 and a second opening 322. When the first opening 321 and the first inlet 311 are in an overlapping position, the orthographic projection of the first opening 321 on the top surface of the cover body 300 covers the orthographic projection of the first inlet 311 on the top surface of the cover body 300; when the second opening 322 and the second inlet 312 are in an overlapping position, the orthographic projection of the second opening 322 on the top surface of the cover body 300 covers the orthographic projection of the second inlet 312 on the top surface of the cover body 300.

[0063] like Figure 4 As shown, combined Figure 1 In the first case, when the first blade assembly 210 is working and the second blade assembly 220 stops working, in order to prevent foreign objects from entering the second blade assembly 220 and damaging the second blade 221, the baffle 320 can be used to cover the second inlet 312. At this time, the first opening 321 on the baffle 320 and the first inlet 311 on the cover 300 are in an overlapping position, and the first opening 321 exposes the first blade assembly 210, so that the material to be crushed enters the first blade assembly 210 through the first inlet 311 for crushing.

[0064] like Figure 4 As shown, combined Figure 1In the second case, when the second blade assembly 220 is working and the first blade assembly 210 stops working, in order to prevent foreign objects from entering the first blade assembly 210 and damaging the first blade 211, the baffle 320 can be used to cover the first inlet 311. At this time, the second opening 322 on the baffle 320 and the second inlet 312 on the cover 300 are in an overlapping position, and the second opening 322 exposes the second blade assembly 220, so that the material to be crushed enters the second blade assembly 220 through the second inlet 312 for crushing.

[0065] In the third case, when the first blade group 210 and the second blade group 220 stop working at the same time, the baffle 320 can cover the first inlet 311 and the second inlet 312 at the same time to cover the first blade group 210 and the second blade group 220 to prevent the first blade group 210 and the second blade group 220 from being exposed to damage by external debris.

[0066] In the embodiments provided in the present disclosure, Figure 5 As shown, combined Figure 1 A slide rail is provided on one side of the cover body 300 close to the main body 100. The slide rail includes a first slide rail 331 and a second slide rail 332 which are arranged in parallel. The first slide rail 331 and the second slide rail 332 are arranged along an axis direction perpendicular to the baffle 320. Both ends of the baffle 320 are slidably connected to the first slide rail 331 and the second slide rail 332. By connecting the baffle 320 with the slide rail, the baffle 320 can be moved to different positions through the slide rail to cover or expose different paper inlets, thereby protecting the first blade assembly 210 and the second blade assembly 220.

[0067] Wherein, rollers may be provided at both ends of the baffle 320, and the rollers cooperate with the slide rails so that relative movement can occur between the baffle 320 and the cover 300. In order to allow the baffle 320 to stay at a fixed position, a plurality of fixed protrusions may be provided in the slide rails. For example, in the first case of the above embodiment, the baffle 320 is in the first position, and the fixed protrusions may allow the baffle 320 to stay at a position where the first opening 321 overlaps with the first inlet 311, so that the first blade assembly 210 may be in a working state; in the second case of the above embodiment, the baffle 320 is in the second position, and the fixed protrusions may allow the baffle 320 to stay at a position where the second opening 322 overlaps with the second inlet 312, so that the second blade assembly 220 may be in a working state; in the third case of the above embodiment, the baffle 320 is in the third position, and the fixed protrusions may allow the baffle 320 to stay at a position where the first inlet 311 and the second inlet 312 are simultaneously covered, and the first blade assembly 210 and the second blade assembly 220 are both in a stopped working state.

[0068] A dial button is provided on the side of the isolation part 313 away from the main body 100, and the dial button is connected to the baffle 320. The baffle 320 can be slid in the slide rail by toggling the dial button to different positions. For example, staggered through holes can be provided on the isolation part 313, and each through hole corresponds to a different position of the baffle 320. For example, a first through hole, a second through hole and a third through hole can be provided on the isolation part 313, and there are connecting channels between the three through holes. The dial button can be toggled into different through holes through the connecting channels, wherein the dial button located in the first through hole can correspond to the baffle 320 being in the first position, the dial button located in the second through hole can correspond to the baffle 320 being in the second position, and the dial button located in the third through hole can correspond to the baffle 320 being in the third position. The sliding of the baffle 320 is achieved by toggling the dial button.

[0069] In the embodiments provided in the present disclosure, Figure 6 As shown, combined Figure 1 The shredder further includes a storage portion 400, which is used to store the debris after the shredding portion 200 shreds, and the main body 100 is connected with the storage portion 400. The storage portion 400 may be a box with a cavity, and the main body 100 and the storage portion 400 may be detachably connected. The storage portion 400 is used to store the debris after the shredding portion 200 shreds. After the storage portion 400 is filled with debris, the storage portion 400 can be removed from the main body 100 to complete the cleaning of the debris. The shape of the storage portion 400 can also be adaptively changed according to actual design requirements, and the present disclosure does not make specific limitations.

[0070] The storage part 400 includes a partition 430, which separates the storage part 400 into a first storage chamber 410 and a second storage chamber 420. The first inlet 311 corresponds to the first storage chamber 410, and the second inlet 312 corresponds to the second storage chamber 420. After the debris crushed by the first blade assembly 210 enters the first storage chamber 410, the first storage chamber 410 stores the debris; after the debris crushed by the second blade assembly 220 enters the second storage chamber 420, the second storage chamber 420 stores the debris. The first storage chamber 410 and the second storage chamber 420 are separated by the partition 430. For example, the storage part 400 can be a box with a cavity, and the partition 430 is arranged inside the box to divide the storage part 400 into the first storage chamber 410 and the second storage chamber 420. Of course, the position of the partition 430 inside the storage chamber is adjustable, and the position of the partition 430 in the storage portion 400 can be designed according to different requirements.

[0071] The shredder provided by the present disclosure includes a main body 100 and a pulverizing part 200. The main body 100 includes a controller, which is used to control the operating state of the shredder; the pulverizing part 200 is connected to the control part, and the pulverizing part 200 includes a first blade group 210 and a second blade group 220. The first blade group 210 and the second blade group 220 are arranged in parallel. The first blade group 210 includes a plurality of first blades 211 arranged in parallel, and the second blade group 220 includes a plurality of second blades 221 arranged in parallel. The shape of the blade head of the first blade 211 is different from that of the second blade 221. By setting different blade groups, the two blade groups can be controlled by one control part to achieve different pulverizing effects. The device has a simple mechanical structure and is convenient for subsequent maintenance and replacement of parts.

[0072] Those skilled in the art will readily appreciate other embodiments of the present disclosure after considering the specification and practicing the invention disclosed herein. This application is intended to cover any modification, use or adaptation of the present disclosure, which follows the general principles of the present disclosure and includes common knowledge or customary techniques in the art that are not disclosed in the present disclosure. The specification and examples are intended to be exemplary only, and the true scope and spirit of the present disclosure are indicated by the appended claims.

Claims

1. A paper shredder, characterized in that: include: A main body, the main body comprising a control unit, the control unit being used to control the operating state of the shredder; A crushing part, the crushing part is connected to the control part, the crushing part includes a first blade group and a second blade group, the first blade group and the second blade group are arranged in parallel along a first direction, the first blade group includes two rows of first blades arranged in parallel along a second direction, the first blades in each row are meshed with the corresponding first blades in the other row, the second blade group includes two rows of second blades arranged in parallel along the second direction, the second blades in each row are meshed with the corresponding second blades in the other row, the blade head shape of the first blade is different from the blade head shape of the second blade, and the first direction is perpendicular to the second direction.

2. The paper shredder according to claim 1, characterized in that: The shredder also includes a cover body, which covers the main body and is connected to the main body. The cover body is provided with a paper inlet, which includes a first inlet and a second inlet. The axes of the first inlet and the second inlet are located on the same straight line, and an isolation portion is provided between the end of the first inlet and the end of the second inlet.

3. The paper shredder according to claim 2, characterized in that: The orthographic projection of the first inlet on the top surface of the cover body covers the orthographic projection of the first blade set on the top surface of the cover body, and the orthographic projection of the axis of the first blade set on the top surface of the cover body coincides with the orthographic projection of the axis of the first inlet on the top surface of the cover body.

4. The paper shredder according to claim 2, characterized in that: The orthographic projection of the second inlet on the top surface of the cover body covers the orthographic projection of the second blade set on the top surface of the cover body, and the orthographic projection of the axis of the second blade set on the top surface of the cover body coincides with the orthographic projection of the axis of the second inlet on the top surface of the cover body.

5. The paper shredder according to any one of claims 2 to 4, characterized in that: A baffle is provided at the entrance of the paper inlet. The baffle is located on a side of the cover body close to the main body. The baffle is used to cover the first inlet and / or the second inlet.

6. The paper shredder according to claim 5, characterized in that: The baffle includes a first opening and a second opening. When the first opening and the first entrance are in an overlapping position, the orthographic projection of the first opening on the top surface of the cover body covers the orthographic projection of the first entrance on the top surface of the cover body; when the second opening and the second entrance are in an overlapping position, the orthographic projection of the second opening on the top surface of the cover body covers the orthographic projection of the second entrance on the top surface of the cover body.

7. The paper shredder according to claim 5, characterized in that: A slide rail is arranged on one side of the cover body close to the main body, and the slide rail includes a first slide rail and a second slide rail arranged in parallel. The first slide rail and the second slide rail are arranged along an axial direction perpendicular to the baffle, and the two ends of the baffle are slidably connected to the first slide rail and the second slide rail respectively.

8. The paper shredder according to claim 7, characterized in that: A dial button is arranged on a side of the isolation part away from the main body part, and the dial button is connected to the baffle. The baffle can slide in the slide rail by moving the dial button to different positions.

9. The paper shredder according to claim 2, characterized in that: The paper shredder further comprises a storage portion, wherein the storage portion is used to store the debris crushed by the crushing portion, and the main body is cooperatively connected with the storage portion.

10. The paper shredder according to claim 9, characterized in that: The storage portion includes a partition plate, and the partition plate separates the storage portion into a first storage chamber and a second storage chamber. The first inlet corresponds to the first storage chamber, and the second inlet corresponds to the second storage chamber.

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