Electric knife sharpener

By designing an electric knife sharpener, using the grinding components and roller structure driven by the power source, the problem of high resistance to manual sharpening of existing knife sharpeners is solved, achieving a uniform and efficient sharpening effect and convenient use experience.

CN222200024UActive Publication Date: 2024-12-20YUYAO NORTON ELECTRIC APPLIANCE CO LTD
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Patent Information

Application Number
CN202421001848.1
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-05-10
Publication Date
2024-12-20
Estimated Expiration
2034-05-10

AI Technical Summary

Technical Problem

The existing sharpeners manually sharpen the knife, which causes the user's moving device to increase when the grinding surface contacts the blade, which is inconvenient for use, and the sharpening effect is uneven.

Method used

An electric knife sharpener is designed, adopting the structure of a bracket, a first roller and a sharpening component. The sharpening component is driven and rotated by a power source. The first roller contacts the support bracket with the surface of the base and moves along the length of the blade to ensure the grinding of the sharpening component. The surface is continuously in contact with the blade and improves stability through synchronous support of the second roller and the rotating seat.

Benefits of technology

It achieves the convenience of sharpening operations and uniform polishing effect, improving the sharpening efficiency and user experience.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses an electric knife sharpener which is convenient to use and good in knife sharpening effect, and comprises a support, the support is provided with a sharpening component and a first rolling wheel, the first rolling wheel is rotatably connected with the support, and the first rolling wheel is in contact with the surface of a base body and used for supporting the whole support; the grinding component is driven by a power source to rotate; the side face of the blade makes contact with the grinding face of the grinding component, the roller rolls on the surface of the base body so that the support can move, and then the grinding face of the grinding component can move in the length direction of the blade. The utility model relates to the technical field of knife sharpeners.
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Description

Technical Field

[0001] The utility model relates to the technical field of knife sharpeners, more specifically to an electric knife sharpener. Background Art

[0002] Existing knife sharpeners are generally divided into two types: electric knife sharpeners and non-electric knife sharpeners, both of which are used to sharpen knives such as kitchen knives or sharpen the knives.

[0003] Please refer to the roller grinder using the interference fit between the roller and the shaft disclosed in publication number CN116157234A, which adopts the structure that rollers are respectively arranged at both ends of the handle body, one of which is provided with a grinding surface or a polishing surface for grinding and / or polishing the cutting tool, and when sharpening the knife, the two rollers are supported on the surface of the base body (table), and the device is pulled back and forth by the handle body, and when the two rollers are in contact with the table, they are rotated synchronously through the shaft, so that the blade of the tool is in contact with the grinding surface, and the rotating grinding surface grinds the blade;

[0004] This knife sharpener is used to sharpen the knife manually. When the grinding surface contacts the blade, the resistance of the user moving the device body increases, which is inconvenient for the user to use. Utility Model Content

[0005] In view of the shortcomings and defects of the prior art, an electric knife sharpener is provided which is easy to use and has a good knife sharpening effect.

[0006] An electric knife sharpener, comprising:

[0007] A bracket, wherein the bracket is provided with a grinding component and a first roller, wherein the first roller is rotatably connected to the bracket and the first roller is in contact with the surface of the substrate, and is used to support the bracket as a whole;

[0008] The grinding component is driven to rotate by a power source;

[0009] The side surface of the blade contacts the grinding surface of the grinding component, and the first roller rolls on the surface of the base to move the bracket, thereby moving the grinding surface of the grinding component along the length direction of the blade.

[0010] After adopting the above structure, the electric knife sharpener of the utility model has the following advantages compared with the prior art: when sharpening the knife, firstly, the knife is positioned, and then, the side of the blade is brought into contact with the grinding surface of the grinding component, and then, the first roller is brought into contact with the surface of the base body, so that the bracket is supported as a whole. Since the first roller and the bracket are rotatable, the bracket can be moved by the roller and moved along the length direction of the blade. The grinding surface of the grinding component is in continuous contact with the blade, and the blade can be sharpened.

[0011] In addition, the grinding component is driven to rotate by the power source, and the grinding effect of the rotating grinding surface on the blade is uniform, consistent and efficient.

[0012] As an improvement of the present utility model, the bracket is a cylindrical structure;

[0013] The first roller is connected to the right end of the bracket, a rotatable rotating seat is arranged at the left end of the bracket, the grinding component is detachably connected to the rotating seat, and the rotating seat is transmission-connected to the power source.

[0014] As an improvement of the utility model, the left end of the bracket is rotatably connected to a second roller, and the second roller and the first roller are supported on the surface of the base at the same time.

[0015] As an improvement of the utility model, the rotating seat is located on the left side of the second roller, a first avoidance hole is provided on the inner side of the second roller, the rotating seat is provided with a connecting shaft extending into the avoidance hole, the power source is provided in the cavity inside the bracket, and the connecting shaft is connected to the output end of the power source.

[0016] As an improvement of the utility model, the grinding component is a circular sheet structure, the left end of the rotating seat is provided with an assembly groove adapted to the grinding component, the bottom of the groove corresponding to the assembly groove of the rotating seat is provided with a magnetic suction block, and the grinding component is provided with a metal part that can be magnetically positioned by the magnetic suction block.

[0017] As an improvement of the utility model, a battery assembly is further provided in the internal cavity of the bracket, and the battery assembly is electrically connected to the power source through a push switch. A second avoidance hole is provided on the inner side of the first roller, and the push switch is arranged in the second avoidance hole.

[0018] As an improvement of the present invention, a first connecting part is provided on the left side of the first roller, and a second connecting part is provided on the right end of the second roller. The first connecting part and the second connecting part respectively extend into the internal cavity of the bracket, and bearing seats are respectively provided between the first connecting part and the second connecting part and the inner cavity of the bracket.

[0019] As an improvement of the present invention, a gripping portion is formed at the middle position of the bracket by shrinking the diameter.

[0020] As an improvement of the utility model, anti-slip rings are provided on the circumferences of the first roller and the second roller. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 It is a structural schematic diagram of the utility model.

[0022] Figure 2 It is a cross-sectional structural schematic diagram of the utility model.

[0023] Figure 3 The utility model Figure 2 A schematic diagram of the enlarged structure in the middle.

[0024] Figure 4 It is a schematic diagram of the structure of the rotating seat of the utility model.

[0025] Figure 5 It is a schematic diagram of the position of the magnetic suction block of the utility model.

[0026] Figure 6 It is a schematic diagram of the implementation of the utility model.

[0027] As shown in the figure: 1. bracket; 1.1. gripping part; 2. grinding part; 3. first roller; 3.1. second avoidance hole; 3.2. first connecting part; 4. power source; 5. blade; 6. rotating seat; 6.1. connecting shaft; 6.2. assembly groove; 6.3. magnetic block; 7. second roller; 7.1. first avoidance hole; 7.2. second connecting part; 8. battery assembly; 9. push switch; 10. bearing seat; 11. anti-slip ring. DETAILED DESCRIPTION

[0028] The utility model is further described below in conjunction with the accompanying drawings and specific embodiments.

[0029] See also Figure 1-6 As shown, an electric knife sharpener comprises:

[0030] A support 1, wherein the support 1 is provided with a grinding component 2 and a first roller 3, wherein the first roller 3 is rotatably connected to the support 1 and the first roller 3 is in contact with the surface of the substrate, and is used to support the support 1 as a whole;

[0031] The grinding component 2 is driven to rotate by a power source 4;

[0032] The side surface of the blade 5 contacts the grinding surface of the grinding component 2 , and the first roller 3 rolls on the surface of the base to move the bracket 1 , thereby moving the grinding surface of the grinding component 2 along the length direction of the blade 5 .

[0033] After adopting the above structure, the electric knife sharpener of the utility model has the following advantages compared with the prior art: when sharpening the knife, firstly, the knife is positioned, and then, the side of the blade 5 is brought into contact with the grinding surface of the grinding component 2, and the first roller 3 is brought into contact with the surface of the base, so that the bracket 1 is supported as a whole. Since the first roller 3 and the bracket 1 are rotatable, the bracket 1 can be moved on the surface of the base through the roller, and move along the length direction of the blade 5. The grinding surface of the grinding component 2 is in continuous contact with the blade 5, and the grinding of the blade 5 can be completed.

[0034] In addition, the grinding component 2 is driven to rotate by the power source 4, and the grinding effect of the rotating grinding surface on the blade 5 is uniform, consistent, and efficient.

[0035] The power source 4 in this solution can be a motor or a mechanism that outputs torque.

[0036] As an improvement of the present utility model, the bracket 1 is a cylindrical structure;

[0037] The first roller 3 is connected to the right end of the bracket 1, and a rotatable rotating seat 6 is arranged at the left end of the bracket 1. The grinding component 2 is detachably connected to the rotating seat 6, and the rotating seat 6 is in transmission connection with the power source 4. After the above improvement, the first roller 3 and the rotating seat 6 are arranged at both ends of the bracket 1 relatively, and the structure is reasonably arranged. The grinding component 2 is detachably connected to the rotating seat 6, and a suitable grinding component 2 can be replaced, such as: coarse grinding, fine grinding, etc.;

[0038] The bracket 1 has a cylindrical structure and can be held by the user, which provides a better user experience.

[0039] As an improvement of the present invention, the left end of the bracket 1 is rotatably connected to a second roller 7, and the second roller 7 is supported on the surface of the base at the same time as the first roller 3. After the above improvement, during the knife sharpening operation, the first roller 3 and the second roller 7 are simultaneously in contact with the surface of the base, and the synchronous support of the two rollers stabilizes the position of the bracket 1 when the bracket 1 moves, so that the grinding surface of the grinding component 2 can stably and linearly contact the blade 5, thereby improving the grinding effect on the blade 5.

[0040] In this solution, the first roller 3, the second roller 7, the rotating seat 6 and the grinding component 2 are all arranged with the same rotation axis.

[0041] As an improvement of the present invention, the rotating seat 6 is located on the left side of the second roller 7, a first avoidance hole 7.1 is provided inside the second roller 7, the rotating seat 6 is provided with a connecting shaft 6.1 extending into the avoidance hole, the power source 4 is provided in the cavity inside the bracket 1, and the connecting shaft 6.1 is connected to the output end of the power source 4. After the above improvement, the structure is compact and the layout is reasonable, which is conducive to the miniaturization of the device.

[0042] As an improvement of the present utility model, the grinding component 2 is a circular sheet structure, the left end of the rotating seat 6 is provided with an assembly groove 6.2 adapted to the grinding component 2, the bottom of the groove of the rotating seat 6 corresponding to the assembly groove 6.2 is provided with a magnetic block 6.3, and the grinding component 2 is provided with a metal piece for magnetic positioning of the magnetic block 6.3. There are several magnetic blocks 6.3, which are provided corresponding to the bottom of the assembly groove 6.2. The metal piece is provided at the right end of the grinding component 2, and the metal piece can also be replaced by a magnetic block. The grinding component 2 can be a whetstone or a grinding wheel, etc. The grinding surface is located at the left end of the grinding component 2. The grinding component 2 is detachably installed in the assembly groove 6.2 through a magnetic connection, and has the characteristics of simple disassembly and assembly;

[0043] The side wall of the assembly groove 6.2 is provided with an opening, which further facilitates the user to disassemble and assemble the grinding component 2.

[0044] The grinding component 2 itself is made of metal that can be positioned by magnetic attraction, or the grinding component 2 is connected to metal that can be positioned by magnetic attraction.

[0045] As an improvement of the present invention, a battery assembly 8 is further provided in the internal cavity of the bracket 1, and the battery assembly 8 is electrically connected to the power source 4 via a push switch 9. A second avoidance hole 3.1 is provided inside the first roller 3, and the push switch 9 is provided in the second avoidance hole 3.1. After the above improvement, the battery assembly 8 is provided inside the bracket 1, and the battery assembly 8 is used to power the power source 4, so that the device can be used anywhere and is convenient to use;

[0046] A second avoidance hole 3.1 is provided inside the first roller 3, and a push switch 9 for controlling the electrical connection between the battery assembly 8 and the power source 4 is integrated into the second avoidance hole 3.1, so as to further reduce space occupation and make the structure highly compact.

[0047] As an improvement of the present utility model, a first connecting portion 3.2 is provided on the left side of the first roller 3, and a second connecting portion 7.2 is provided on the right end of the second roller 7. The first connecting portion 3.2 and the second connecting portion 7.2 extend into the internal cavity of the bracket 1 respectively, and a bearing seat 10 is provided between the first connecting portion 3.2 and the second connecting portion 7.2 and the inner cavity of the bracket 1 respectively. The first connecting portion 3.2 and the second connecting portion 7.2 are both hollow shaft-like structures, the inner hole of the bearing seat 10 is sleeved on the outer peripheral surface of the connecting portion, and buckles are provided at the tail ends of the connecting portions respectively, and the buckles are provided through the inner hole of the bearing seat 10 to effectively prevent the connecting portion from coming out of the inner hole, and the outer periphery of the bearing seat 10 is fixed to the bracket 1. After the above improvement, the rotation of the roller is smooth and stable.

[0048] A bearing seat 10 is also arranged between the connecting shaft 6.1 and the first avoidance hole 7.1.

[0049] As an improvement of the present invention, the middle position of the bracket 1 is formed with a gripping portion 1.1 by shrinking the diameter. After the above improvement, the user holds the gripping portion 1.1 to move the device body on the surface of the base body. The shrinking structure of the gripping portion 1.1 is convenient for the user to hold, and the user's experience is better.

[0050] As an improvement of the present invention, the first roller 3 and the second roller 7 are both provided with anti-skid rings 11. When in use, the anti-skid rings 11 are in contact with the surface of the substrate, and the anti-skid effect of the anti-skid rings 11 enables the first roller 3 and the second roller 7 to rotate stably, and the device operates reliably.

[0051] The above are only preferred implementations of the utility model. The protection scope of the utility model is not limited to the above embodiments. All technical solutions under the idea of ​​the utility model belong to the protection scope of the utility model. It should be pointed out that for ordinary technicians in this technical field, some improvements and modifications without departing from the principle of the utility model should also be regarded as the protection scope of the utility model.

Claims

1. An electric knife sharpener, It is characterized in that include: A support (1), the support (1) being provided with a grinding component (2), and a first roller (3), the first roller (3) being rotatably connected to the support (1), and the first roller (3) being in contact with a surface of a substrate, and being used to support the support (1) as a whole; The grinding component (2) is driven to rotate by a power source (4); The side surface of the blade (5) contacts the grinding surface of the grinding component (2), and the first roller (3) rolls on the surface of the base to move the bracket (1), thereby causing the grinding surface of the grinding component (2) to move along the length direction of the blade (5).

2. An electric knife sharpener according to claim 1, Features: The support (1) is a cylindrical structure; The first roller (3) is connected to the right end of the bracket (1), a rotatable rotating seat (6) is provided at the left end of the bracket (1), the grinding component (2) is detachably connected to the rotating seat (6), and the rotating seat (6) is transmission-connected to the power source (4).

3. An electric knife sharpener according to claim 2, Features: The left end of the bracket (1) is rotatably connected to a second roller (7), and the second roller (7) and the first roller (3) are supported on the surface of the base at the same time.

4. An electric knife sharpener according to claim 3, Features: The rotating seat (6) is located on the left side of the second roller (7), a first avoidance hole (7.1) is arranged inside the second roller (7), the rotating seat (6) is provided with a connecting shaft (6.1) extending into the avoidance hole, the power source (4) is arranged in a cavity inside the bracket (1), and the connecting shaft (6.1) is connected to the output end of the power source (4).

5. An electric knife sharpener according to claim 2, Features: The grinding component (2) is a circular sheet structure, the left end of the rotating seat (6) is provided with an assembly groove (6.2) adapted to the grinding component (2), the bottom of the rotating seat (6) corresponding to the assembly groove (6.2) is provided with a magnetic attraction block (6.3), and the grinding component (2) is provided with a metal piece that can be magnetically positioned by the magnetic attraction block (6.3).

6. An electric knife sharpener according to claim 2, Features: The internal cavity of the bracket (1) is also provided with a battery assembly (8), the battery assembly (8) is electrically connected to the power source (4) via a push switch (9), a second avoidance hole (3.1) is provided on the inner side of the first roller (3), and the push switch (9) is arranged in the second avoidance hole (3.1).

7. An electric knife sharpener according to claim 3, Features: A first connecting portion (3.2) is provided on the left side of the first roller (3), and a second connecting portion (7.2) is provided on the right end of the second roller (7); the first connecting portion (3.2) and the second connecting portion (7.2) respectively extend into the internal cavity of the bracket (1); and a bearing seat (10) is respectively provided between the first connecting portion (3.2) and the second connecting portion (7.2) and the inner cavity of the bracket (1).

8. An electric knife sharpener according to claim 3, Features: The middle position of the support (1) is formed with a gripping portion (1.1) by shrinking the diameter.

9. An electric knife sharpener according to claim 3, Features: The first roller (3) and the second roller (7) are both provided with anti-slip rings (11) around their circumferences.