Multifunctional electric knife sharpener

Abstract

The utility model provides a multifunctional electric knife sharpener which comprises a shell, the top of the shell is provided with a knife sharpening opening covering the positions of multiple sets of knife sharpening pieces, a bearing seat is provided with a guide assembly located in the knife sharpening opening, and an inner cavity of the shell is located at the bottom of the bearing seat to form a containing cavity. And a knife sharpening rod which can be taken and placed through the fixing hole is accommodated in the accommodating cavity. According to the multifunctional electric knife sharpener, the guide assembly is arranged, the knife sharpening opening of the guide cover is provided with the integrated elastic piece, the knife abuts against the inclined face of the guide block through the elastic piece, the knife makes stable contact with the knife sharpening piece in the inclined state, an included angle is formed between the knife and the knife sharpening piece, and the knife is kept stable; and swinging and shaking in the knife sharpening opening are avoided, and the knife sharpening effect is improved. Besides, the knife sharpening rod with the telescopic function is contained in the shell, and the knife edge of the knife is simply sharpened and maintained by pressing the popped knife sharpening rod under the condition that electrification is not needed.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of knife sharpener, especially to a multifunctional electric knife sharpener. BACKGROUND

[0002] The knife is the tool that every family kitchen must have. With the development of society and people's use of kitchen tools also have a certain requirement. For the kitchen tool of knife, the knife sharpener is also known by people, because the knife blade will wear out due to the daily use of the knife, so the knife becomes not sharp, so the sharpening of the daily knife is also essential.

[0003] In order to meet the sharpening needs of different knives, the existing electric knife sharpener grinding slot is generally designed as a universal slot, which can meet the basic grinding needs of various knives, but it will also lead to the universal low matching degree of grinding with each kind of knife, so that the knife will swing randomly when grinding, so that the blade cannot be closely attached to the knife sharpener and cannot be evenly sharpened.

[0004] And the knife needs to use the knife stick to simply sharpen and maintain the blade in many cases, and the existing knife sharpener does not have the function of the knife stick, and the separate knife stick is relatively long in size and is not easy to store.

[0005] Therefore, it is necessary to provide a multifunctional electric knife sharpener to solve the above technical problems. SUMMARY

[0006] The utility model provides a multifunctional electric knife sharpener, solves the problem of the low matching degree of the grinding slot of the existing electric knife sharpener and the knife, and the swing of the knife when sharpening affects the grinding effect.

[0007] In order to solve the above technical problems, the multifunctional electric knife sharpener provided by the utility model comprises a hollow shell, a bearing seat is arranged transversely in the shell cavity, a driving motor is arranged at the top front end of the bearing seat, a rotating shaft extending rearward is arranged on the output shaft of the driving motor, a plurality of groups of knife sharpening pieces are arranged at intervals on the rotating shaft, each group of the knife sharpening pieces comprises two knife sharpening blades arranged in parallel and at intervals.

[0008] The top of the shell is provided with a grinding opening covering a plurality of sets of grinding tool positions, the bearing seat is provided with a guide assembly located in the grinding opening, the guide assembly includes a guide cover covering the outside of a plurality of sets of grinding blades, the top of the guide cover is provided with a plurality of grinding openings corresponding to the grinding blades for exposing them, the top of the guide cover is provided with guide blocks between every two adjacent sets of grinding tools, the surface of the guide block facing the grinding blade direction forms an inclined surface, the top of the guide cover is provided with a support block between the two grinding blades of the same set, the support block and the opposite guide block form a grinding slot, the two sides of the support block are respectively provided with elastic pieces that tightly abut the guide block surface; the elastic piece, the support block and the guide cover are of an integral structure.

[0009] The inner cavity of the shell is located at the bottom of the bearing seat to form a containing cavity, the rear end of the shell is provided with a fixed hole communicating with the containing cavity, and the containing cavity accommodates a grinding rod that can be taken out through the fixed hole.

[0010] Preferably, the shell includes an upper shell and a lower shell, which combine to form a hollow shell, and the front end of the upper shell is provided with an openable end cover.

[0011] Preferably, the driving motor is a double-shaft motor, and an auxiliary grinding blade is fixedly connected to the front end output shaft, and the auxiliary grinding blade is exposed by opening the end cover.

[0012] Preferably, it further includes a cover, which is buckled to the grinding opening at the top of the shell and has a plurality of grooves corresponding to the grinding openings at the top.

[0013] Preferably, the grinding rod includes a hollow handle and a grinding rod, and the rear end of the grinding rod can be arranged in the inner cavity of the handle.

[0014] Preferably, the rear end of the grinding rod is fixedly installed with a mounting seat, the rear end of the mounting seat is provided with an eccentric column, the surface of the eccentric column is fixedly installed with a fixed block, the eccentric column is wound with an elastic split ring with two ends not connected, and the elastic split ring is provided with a bayonet that is nested on the fixed block, when the rear end of the grinding rod is located in the inner cavity of the handle, the elastic split ring is tightened or expanded by rotating the grinding rod in the forward or reverse direction, and the elastic split ring is tightened when it is expanded to lock the inner cavity of the handle.

[0015] Preferably, the front end of the handle is provided with a protruding clamping position, the bottom of the bearing seat is provided with a C-shaped elastic clamp for clamping the clamping position, the two sides of the bottom of the bearing seat are respectively provided with limiting columns for limiting and guiding the two ends of the C-shaped elastic clamp, the front side surface of the C-shaped elastic clamp is provided with a clamping groove, the bottom of the bearing seat is provided with a rebounder, the moving part of the rebounder is provided with a clamping column clamped with the clamping groove, and the clamping column of the rebounder drives the two ends of the C-shaped elastic clamp to be clamped or opened.

[0016] Preferably, the surface of the shell is provided with a switch button, and the front end of the shell is provided with a power plug. The power supply is connected to the power supply by the power cord.

[0017] Preferably, the bottom of the shell is detachably provided with a collection cover, and the inner surface of the collection cover is attached with a magnetic sheet.

[0018] Compared with the related art, the multifunctional electric knife sharpener has the following beneficial effects:

[0019] The multifunctional electric knife sharpener is provided with a guiding assembly, a spring sheet integrated with a guiding cover is used to abut the cutter on the inclined surface of the guiding block, the inclined surface is used to support the cutter, the cutter is in stable contact with the sharpener in the inclined state, an included angle is formed between the cutter and the sharpener on one hand, and the stability of the cutter is maintained on the other hand, the cutter is prevented from swinging and shaking in the sharpener, the sharpener effect is improved, in addition, a sharpener rod with a telescopic function is accommodated in the shell, the cutting edge of the cutter is simply sharpened and maintained by pressing the sharpener rod in the unpowered state, the sharpener rod has the telescopic function, the problem of accommodating the sharpener rod is solved while the sharpener function is provided. BRIEF DESCRIPTION OF DRAWINGS

[0020] Figure 1 A preferred embodiment structure diagram of the multifunctional electric knife sharpener is shown in the figure;

[0021] Figure 2 A preferred embodiment structure diagram of the multifunctional electric knife sharpener is shown in the figure; Figure 1 A preferred embodiment structure diagram of the multifunctional electric knife sharpener is shown in the figure;

[0022] Figure 3 A preferred embodiment structure diagram of the multifunctional electric knife sharpener is shown in the figure; Figure 2 A preferred embodiment structure diagram of the multifunctional electric knife sharpener is shown in the figure;

[0023] Figure 4 A preferred embodiment structure diagram of the multifunctional electric knife sharpener is shown in the figure; Figure 2 A preferred embodiment structure diagram of the multifunctional electric knife sharpener is shown in the figure;

[0024] Figure 5 A preferred embodiment structure diagram of the multifunctional electric knife sharpener is shown in the figure; Figure 2 A preferred embodiment structure diagram of the multifunctional electric knife sharpener is shown in the figure;

[0025] Figure 6 For Figure 2 The structural schematic view of the guiding assembly when being assembled is shown in the figure.

[0026] Figure 7 The installation position of the rebounder in the utility model is shown in the figure.

[0027] Figure 8 The structural schematic view of the rebounder and the C-shaped elastic clamp in the utility model is shown in the figure.

[0028] Figure 9 The structural exploded view of the knife sharpening stick in the utility model is shown in the figure.

[0029] Figure 10 The structural schematic view of the knife sharpening stick when being assembled is shown in the figure.

[0030] Figure 11 The cross-sectional view of the knife sharpening stick in the utility model is shown in the figure.

[0031] Figure 12 The structural schematic view of the collection cover in the utility model is shown in the figure.

[0032] Figure 13 The structural schematic view of another embodiment of the utility model is shown in the figure.

[0033] Reference numerals in the figure: 1, shell, 11, upper shell, 12, lower shell, 13, knife sharpening opening, 14, cover, 15, end cover, 2, bearing seat, 3, driving motor, 4, rotating shaft, 5, knife sharpening piece, 51, knife sharpening blade, 52, auxiliary knife sharpening blade, 6, guiding assembly, 61, guiding cover, 62, knife sharpening opening, 63, guiding block, 64, elastic sheet, 7, fixing hole, 8, knife sharpening stick, 81, handle, 82, knife sharpening rod, 83, mounting seat, 84, eccentric column, 85, fixing block, 86, elastic split ring, 87, clamping opening, 88, clamping position, 9, C-shaped elastic clamp, 91, clamping groove, 10, limiting column, 16, switch button, 17, collection cover, 18, sliding rail, 19, rebounder, 191, clamping column. DETAILED DESCRIPTION

[0034] The utility model will be further described below in combination with the drawings and embodiments.

[0035] Please refer to Figure 1 , Figure 2 , Figure 3 , Figure 4 , Figure 5 , Figure 6 , Figure 7 , Figure 8 , Figure 9 , Figure 10 , Figure 11 ,Figure 12 wherein, Figure 1 A preferred embodiment structure diagram of a multifunctional electric knife sharpener provided by the utility model; Figure 2 A Figure 1 A structural exploded diagram of the multifunctional electric knife sharpener shown in the figure; Figure 3 A Figure 1 A structural diagram of the motor and the knife sharpening piece shown in the figure; Figure 4 A Figure 1 A structural diagram of the guide assembly and the bearing seat shown in the figure; Figure 5 A Figure 2 A structural exploded diagram of the guide assembly shown in the figure, Figure 6 A Figure 2 A structural diagram of the guide assembly when assembled shown in the figure, Figure 7 An installation position diagram of the rebounder in the utility model, Figure 8 A structural diagram of the rebounder and the C-shaped elastic clamp in the utility model, Figure 9 A structural exploded diagram of the knife sharpening rod in the utility model, Figure 10 A structural diagram of the knife sharpening rod when assembled in the utility model, Figure 11 A cross-sectional diagram of the knife sharpening rod in the utility model, Figure 12 A structural diagram of the collection cover in the utility model.

[0036] A multifunctional electric knife sharpener comprises a hollow shell 1, a bearing seat 2 is arranged in the inner cavity of the shell 1 in the transverse direction, a driving motor 3 is arranged at the top front end of the bearing seat 2, a rotating shaft 4 extending rearward is arranged on the output shaft of the driving motor 3, and a plurality of groups of knife sharpening pieces 5 are arranged at intervals on the rotating shaft 4; each group of the knife sharpening pieces 5 comprises two knife sharpening blades 51 arranged in parallel and at intervals.

[0037] The driving motor 3 is fixedly installed on the bearing seat 2 through a motor gland, and the other end of the rotating shaft 4 is supported on the bearing seat 2 through a bearing and a mounting support, so that the rotating shaft 4 and the knife sharpening blades 51 remain stable when rotating and vibration is avoided.

[0038] The top of the bearing seat 2 is divided into an installation position and a knife sharpening functional area, the driving motor 3 is installed on the installation position, and the plurality of groups of knife sharpening pieces 5 are located in the knife sharpening functional area.

[0039] The plurality of groups of knife sharpening pieces 5 are different forms of knife sharpening pieces, for example, the knife sharpening pieces 5 can be arranged in three groups, which are coarse sharpening, fine sharpening and precision sharpening, and each group of the knife sharpening pieces 5 comprises two knife sharpening blades 51 arranged in parallel and at intervals, which are used for sharpening the two sides of the knife edge.

[0040] The fixed sleeve part of the grinding blade 51 shaft center is provided with a pin groove distributed along the axial direction, and the rotating shaft 4 is provided with a corresponding pin hole. The pin is fixed into the pin hole along the pin groove, the grinding blade 51 is installed on the rotating shaft 4, so that the grinding blade 51 rotates synchronously with the rotating shaft, and at the same time, the grinding blade 51 can move in the axial direction of the rotating shaft 4 in a small range.

[0041] The spring is arranged between the two grinding blades 51 of each group on the rotating shaft 4, so as to separate the two grinding blades 51 and avoid excessive close to normally use one of them for grinding. At the same time, the two circular grinding blades can be elastically moved towards each other due to the spring force, but are limited to elastic movement within the distance of the pin groove, so that the grinding blade 51 is in full contact with the tool but not excessively pressed, avoiding excessive grinding, and achieving flexible grinding.

[0042] When the driving motor 3 rotates, the rotating shaft 4 is driven to rotate, so as to drive the multiple sets of grinding blades 5 to rotate, and the blade edge is attached to one of the grinding blades 51 for grinding.

[0043] As shown in Figures 4-5 , the top of the shell 1 is provided with a grinding opening 13 covering the positions of the multiple sets of grinding blades 5, that is, the grinding opening 13 corresponds to the grinding function area.

[0044] The bearing seat 2 is provided with a guide assembly 6 located in the grinding opening 13, and the guide assembly 6 includes a guide cover 61 covering the outside of the multiple sets of grinding blades 5. The guide cover 61 is installed on the bearing seat 2 by screwing.

[0045] The top of the guide cover 61 is provided with multiple grinding openings 62 corresponding to the grinding blades 51 for exposing the grinding blades 51. The two ends of the top of the guide cover 61 and the guide blocks 63 located between every two adjacent sets of grinding blades 5 are provided. The surface of the guide block 63 towards the grinding blade 51 direction forms an inclined surface. The top of the guide cover 61 and the support blocks between the two grinding blades 51 of the same set are provided. The support block and the opposite guide block 63 form a grinding groove, and the grinding groove is in communication with the grinding opening 62. The two sides of the support block are respectively provided with an integral spring 64 for tightly attaching the tool to the surface of the guide block 63.

[0046] The spring 64, the support block and the guide cover 61 are of an integral structure.

[0047] The inclined surface of the guide block 63 and the opposite support block form a grinding groove, and the grinding groove corresponds to the grinding opening 62, so that the tool can enter into contact with the grinding blade 51 along the grinding groove and the grinding opening 62.

[0048] The guide block 63 includes two specifications of two ends and a middle part, and the two sides of the plurality of guide blocks 63 in the middle part are provided with inclined surfaces, so that the guide block 63 presents a form of wide at the top and narrow at the bottom, and only the inner side of the guide block 63 at the two ends is provided with an inclined surface, that is, each inclined surface is opposite to a grinding blade 51, and the inclined surface and the axis of the rotating shaft 4 and the grinding blade 51 form an angle, and when the knife edge is ground, one side of the knife edge is supported on the inclined surface, and the other side forms an angle with the grinding blade 51 to be ground.

[0049] In order to ensure the stability of the tool during grinding, the position of the grinding port 62 of the guide cover 61 is provided with a spring sheet 64 which is integrated with the guide cover 61, so that the knife edge is supported on the inclined surface, and the knife edge is prevented from swinging and shaking under the action of the force of the grinding blade 51, and the grinding effect is ensured.

[0050] The guide block 63 is a detachable structure, and the bottom is provided with a protrusion, and the top of the guide cover 61 is provided with a corresponding groove, and the guide block 63 is installed by clamping.

[0051] As shown in Figure 13 Another embodiment of the guide cover 61 and the spring sheet 64 is provided, wherein the guide cover 61 is provided with a support block at a corresponding position between two grinding blades 51 of the same group, and the spring sheet 64 and the support block are in a split structure, the top of the support block has a slot, and the top of the spring sheet 64 is provided with a tab for inserting into the slot, and each grinding groove is provided with a spring sheet 64, and the spring sheet 64 is opposite to the inclined surface of one guide block 63, and is used to tightly support the tool on the inclined surface.

[0052] The inner cavity of the shell 1 is located at the bottom of the bearing seat 2 to form a containing cavity, the rear end of the shell 1 is provided with a fixed hole 7 which is in communication with the containing cavity, and the containing cavity accommodates a grinding rod 8 which can be taken out through the fixed hole 7.

[0053] The shell 1 includes an upper shell 11 and a lower shell 12, and the two shells combine to form a hollow shell 1, and the two shells can be connected by clamping or screws, so that the shell 1 can be easily disassembled, repaired and cleaned. The bottom of the lower shell 12 is provided with a non-slip pad, so that the shell 1 can be placed on a table top for use.

[0054] The front end of the upper shell 11 is provided with an open end cover 15, the driving motor 3 is a double-shaft motor, and an auxiliary grinding blade 52 is fixedly connected to the front end output shaft, and the auxiliary grinding blade 52 is exposed by opening the end cover 15.

[0055] The connection between the end cover 15 and the front end surface of the upper shell 11 is provided with a buckle groove, and the end cover 15 is installed by buckling, and the end cover 15 can be opened through the buckle groove, and the auxiliary grinding blade 52 is used to grind other metal tools.

[0056] Also included is a cover 14 which is buckled to the top of the housing 1 at the blade sharpening opening 13 and has a slot corresponding to the blade sharpening openings 62 at the top. The cover 14 is made of metal or plastic and is used to cover the blade sharpening member 5 and the guide assembly 6 inside the cover 14, making the appearance more beautiful and safer.

[0057] The blade sharpening rod 8 includes a hollow handle 81 and a blade sharpening rod 82, the rear end of which can be arranged in the inner cavity of the handle 81.

[0058] The rear end of the blade sharpening rod 82 is fixedly installed with a mounting seat 83, the rear end of which is provided with an eccentric column 84, the surface of which is fixedly installed with a fixed block 85, and the eccentric column 84 is wound with an elastic split ring 86 with two ends not connected. The rear end of the eccentric column 84 is provided with a limiting disc, so that the elastic split ring 86 cannot be separated from the eccentric column 84. And the elastic split ring 86 is provided with a bayonet 87 nested on the fixed block 85, and the bayonet 87 is located near one end. When the rear end of the blade sharpening rod 82 is located in the inner cavity of the handle 81, the blade sharpening rod 82 is rotated in the forward or reverse direction to make the elastic split ring 86 tighten or expand, and the elastic split ring 86 is expanded to lock the inner cavity of the handle 81. The above-mentioned components form a tensioning assembly arranged at the rear end of the blade sharpening rod 82.

[0059] The blade sharpening rod 8 is a telescopic blade sharpening rod, which can be adjusted in length by telescoping. The tensioning assembly at the rear end of the blade sharpening rod 82 is used for locking or unlocking, so that the blade sharpening rod 82 can be adjusted in length and locked.

[0060] The rear end of the handle 81 is provided with a cover plate which can be opened, and the blade sharpening rod 82 together with the tensioning assembly is inserted into the inner cavity of the handle 81 from the rear end, and the front end of the blade sharpening rod 82 is extended from the front end of the handle 81. Cover the cover plate to complete the assembly.

[0061] When the assembly is completed, the elastic split ring 86 is always compressed by the inner wall of the handle 81 and always generates elastic force, has the tendency to expand and recover deformation, so that it tightens the inner wall of the handle 81, and the friction between the two makes it unable to move, so that the eccentric column 84, the mounting seat 83 and the blade sharpening rod 82 cannot move relative to the handle 81.

[0062] When the length of the grinding rod 82 needs to be adjusted, the grinding rod 82 is rotated in the forward direction, which drives the mounting seat 83 and the eccentric column 84 to rotate, thereby tightening the one end of the elastic split ring 86 inwardly, so that the elastic split ring 86 is further compressed, the overall size of the elastic split ring 86 is reduced, the contact surface between the elastic split ring 86 and the inner wall of the handle 81 is reduced to the minimum, the friction between the elastic split ring 86 and the inner wall of the handle 81 is reduced to the minimum, and the elastic split ring 86 can move along the length direction of the handle 81, so that the length of the grinding rod 82 is adjusted. When the adjustment is completed, the grinding rod 82 is rotated in the reverse direction, so that the elastic split ring 86 is opened and restored to the state of being tightly supported by the inner wall of the handle 81, and the length of the grinding rod 82 is locked.

[0063] The length of the grinding rod 82 can be adjusted by the elastic assembly, so that the grinding rod 8 is convenient to use and is stored in the shell 1.

[0064] When the grinding rod 8 is used to grind the knife, generally only radial or tangential force is generated on the surface of the grinding rod 82, and the force acting on the axial direction of the grinding rod 82 is small, so that the grinding rod 82 is not suddenly retracted due to the force. However, it should be noted that the front end of the grinding rod 82 should not be used by being supported on an object.

[0065] The front end of the handle 81 is provided with a protruding annular clamping position 88, the bottom of the bearing seat 2 is provided with a C-shaped elastic clamp 9 for clamping the clamping position 88, the two sides of the bottom of the bearing seat 2 are respectively provided with limiting columns 10 for limiting and guiding the two ends of the C-shaped elastic clamp 9, the front side surface of the C-shaped elastic clamp 9 is provided with a clamping groove 91, the bottom of the bearing seat 2 is provided with a rebounder 19, the moving part of the rebounder 19 is provided with a clamping column 191 clamped with the clamping groove 91, and the clamping column 191 of the rebounder 19 drives the two ends of the C-shaped elastic clamp 9 to be clamped or opened.

[0066] The bottom of the bearing seat 2 is provided with a sliding rail 18 for the handle 81 of the grinding rod 8 to slide.

[0067] Since the thickness of the handle 81 is greater than the thickness of the grinding rod 82, and the handle 81 is further provided with the protruding annular clamping position 88, when the grinding rod 8 is stored in the accommodating cavity, a gap is formed between the grinding rod 82 and the bottom of the bearing seat 2, and the C-shaped elastic clamp 9 and the rebounder 19 are fixedly installed on the bottom of the bearing seat 2, so that the movement of the grinding rod 82 is not blocked.

[0068] The rebounder 19 has the function of popping out by pressing once and retracting by pressing once again. When the handle 81 moves inward, the catch 88 first abuts against the front side portion of the C-shaped elastic clamp 9, and then acts on the moving portion of the rebounder 19, so that the rebounder 19 retracts, thereby pulling the clamping groove 91 of the C-shaped elastic clamp 9 forward, and the C-shaped elastic clamp 9 is deformed, the clamping heads at the two ends are guided by the limiting columns 10 to move inward and clamp the catch 88, and the clamping and fixing of the sharpening stick 8 are completed. When the sharpening stick 8 needs to be taken out for use, the rear end of the sharpening stick 8 is pressed inward once, the catch 88 abuts against the front side portion of the C-shaped elastic clamp 9 again, and the clamping groove 91 abuts against the clamping column 191 on the rebounder 19, so that the rebounder 19 is pressed out once, the front side of the C-shaped elastic clamp 9 is pushed backward, the clamping heads at the two ends are guided by the limiting columns 10 to open outward, and the sharpening stick 8 is popped out and can be taken out for use.

[0069] The limiting columns 10 on the two sides are provided with three limiting columns respectively according to the shape of the clamping heads at the two ends of the C-shaped elastic clamp 9. When the C-shaped elastic clamp 9 is deformed, the clamping heads at the two ends of the C-shaped elastic clamp 9 are guided and limited by the limiting columns 10 to move inward and open outward.

[0070] The surface of the shell 1 is provided with a switch button 16, and the front end of the shell 1 is provided with a plug-in port. The power supply is connected to the power supply by the power line.

[0071] The bottom of the shell 1 is detachably provided with a collecting cover 17, and the inner surface of the collecting cover is pasted with a magnetic sheet. The sharpening function area of the bearing seat 2 is a hollow frame structure, and the debris generated by sharpening falls down, and the magnetic sheet on the collecting cover 17 can absorb the debris. The debris can be cleaned by opening the collecting cover 17, so that the normal use is not affected by the debris remaining in the machine body.

[0072] Compared with the related art, the multifunctional electric sharpener has the following beneficial effects:

[0073] The tool is supported by the setting of the guiding assembly 6, and the elastic sheet 64 abuts against the inclined surface of the guiding block 63 to make the tool contact with the grinding blade 51 in an inclined state. On the one hand, an included angle is formed between the tool and the grinding blade 51, and on the other hand, the tool is kept in place to avoid swinging and shaking in the grinding opening 61, thereby improving the sharpening effect. In addition, a sharpening stick 8 is accommodated in the shell 1. In the case that the tool edge is not electrified, the tool edge is simply sharpened and maintained by pressing the popped-out sharpening stick 8, and the sharpening stick has the function of stretching and retracting, thereby solving the problem of the storage of the sharpening stick while providing the sharpening function.

[0074] The above merely illustrates the embodiments of the present application, and does not limit the patent scope of the present application, and any equivalent structure or equivalent process transformation, or direct or indirect application in other related technical fields, which are made by using the content of the present application specification and drawings, are also included in the patent protection scope of the present application.

Claims

1. A multi-functional electric sharpener characterized by: Including hollow shell (1), the shell (1) inner cavity transverse is provided with a bearing seat (2), the bearing seat (2) top front end is provided with drive motor (3), the output shaft of drive motor (3) is provided with the rotation shaft (4) extending rearward, the rotation shaft (4) is provided with a plurality of groups of abrasive tool (5) at intervals, each group of abrasive tool (5) includes two mutually parallel and interval setting abrasive blade (51); The top of the shell (1) is provided with a grinding opening (13) that covers the position of a plurality of abrasive tools (5), the bearing seat (2) is provided with a guide assembly (6) located in the grinding opening (13), the guide assembly (6) includes a guide cover (61) covering the outside of a plurality of abrasive tools (5), the top of the guide cover (61) is provided with a plurality of abrasive openings (62) corresponding to the abrasive blade (51) for exposing, the two ends of the top of the guide cover (61) and the guide block (63) located between each two adjacent abrasive tools (5) are provided, the surface of the guide block (63) towards the abrasive blade (51) direction forms an inclined surface supporting the tool, the top of the guide cover (61) and between the two abrasive blades (51) of the same group is provided with a support block, the support block and the opposite guide block (63) form a grinding slot, the two sides of the support block are respectively provided with a spring (64) tightly abutting the tool to the surface of the guide block (63), the spring (64), the support block and the guide cover (61) are integrated structure. The bottom of the shell (1) inner cavity located in the bearing seat (2) forms a containing cavity, the rear end of the shell (1) is provided with a fixed hole (7) communicating with the containing cavity, the containing cavity is received with a grinding rod (8) that can be taken out from the fixed hole (7).

2. A multi-functional electric sharpener according to claim 1, wherein The shell (1) includes an upper shell (11) and a lower shell (12), which form a hollow shell (1), the front end of the upper shell (11) is provided with an open end cover (15).

3. A multi-functional electric sharpener according to claim 2, wherein The drive motor (3) is a double-shaft motor, and an auxiliary abrasive blade (52) is fixedly connected to the front end output shaft, and the auxiliary abrasive blade (52) is exposed by opening the end cover (15).

4. The multi-functional electric sharpener according to claim 1, wherein It also includes a cover (14), the cover (14) is buckled at the grinding opening (13) of the top of the shell (1), and the top of the cover (14) is provided with a plurality of slots corresponding to the abrasive openings (62), and the cover (14) is made of metal or plastic.

5. The multi-functional electric sharpener of claim 1 wherein, The grinding rod (8) includes a hollow handle (81) and a grinding rod (82), the rear end of the grinding rod (82) can be arranged in the inner cavity of the handle (81).

6. A multi-functional electric sharpener according to claim 5, wherein The rear end of the knife sharpening rod (82) is fixedly provided with a mounting seat (83), the rear end of the mounting seat (83) is provided with an eccentric column (84), the surface of the eccentric column (84) is fixedly provided with a fixed block (85), the eccentric column (84) is wound with an elastic split ring (86) with two ends not connected, and the elastic split ring (86) is provided with a bayonet (87) nested on the fixed block (85), when the rear end of the knife sharpening rod (82) is located in the inner cavity of the handle (81), the elastic split ring (86) is tightened or expanded by rotating the knife sharpening rod (82) in the positive direction or the reverse direction, and the elastic split ring (86) is tightened when expanded, so that the inner cavity of the handle (81) is locked.

7. The multi-functional electric sharpener according to claim 5, wherein The front end of the handle (81) is provided with a protruding clamping portion (88), the bottom of the bearing seat (2) is provided with a C-shaped elastic clamp (9) for clamping the clamping portion (88), the two sides of the bottom of the bearing seat (2) are respectively provided with limiting columns (10) for limiting and guiding the two ends of the C-shaped elastic clamp (9), the front surface of the C-shaped elastic clamp (9) is provided with a clamping groove (91), the bottom of the bearing seat (2) is provided with a rebounder (19), the moving part of the rebounder (19) is provided with a clamping column (191) clamped with the clamping groove (91), and the clamping column (191) of the rebounder (19) is driven to clamp or expand the two ends of the C-shaped elastic clamp (9).

8. The multi-functional electric sharpener of claim 1 wherein, The surface of the shell (1) is provided with a switch button (16), and the front end of the shell (1) is provided with a power plug.

9. The multi-functional electric sharpener of claim 1 wherein, The bottom of the shell (1) is detachably provided with a collecting cover (17), and the inner surface of the collecting cover is attached with a magnetic sheet.

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