Manual knife sharpener

Abstract

The utility model discloses a manual knife sharpener which is good in knife sharpening effect and convenient to use, and comprises a support, a first roller, a second roller and a knife sharpener, the support is provided with the first roller, the first roller is rotatably connected with the support, and the first roller is in contact with the surface of a base body and is used for supporting the whole support; a grinding component is arranged on the first roller, and the grinding component and the first roller are arranged in a follow-up manner; the side face of the cutting edge makes contact with the grinding face of the grinding component, the first rolling wheel rolls on the surface of the base body so that the support can move, then the grinding face of the grinding component can move in the length direction of the cutting edge, and the grinding face makes contact with the side face of the cutting edge in a rotating mode; the utility model relates to the technical field of knife sharpeners.

Description

Technical Field

[0001] The utility model relates to the technical field of knife sharpeners, more specifically to a manual 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] The two rollers of this type of knife sharpener need to be connected to a common axis, and the rollers rotate synchronously. However, the friction between the two rollers is inconsistent during use, and the two rollers affect each other, resulting in a poor user experience and the sharpening effect cannot meet the needs. Utility Model Content

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

[0006] A manual knife sharpener, comprising:

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

[0008] The first roller is provided with a grinding component, and the grinding component is arranged to move with the first roller;

[0009] The side of the blade contacts the grinding surface of the grinding component. 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, and the grinding surface rotates to contact the side of the blade.

[0010] After adopting the above structure, the manual knife sharpener of the utility model has the following advantages compared with the prior art: during the knife sharpening operation, the tool is first positioned, and further, the side of the blade is brought into contact with the grinding surface of the grinding component, and further, the first roller is brought into contact with the surface of the base body so that the entire bracket is supported. Since the first roller is rotatable, the bracket can be moved by the roller and moved along the length direction of the blade. At this time, the grinding surface is in continuous contact with the blade to grind the blade, and the grinding component is arranged to move with the first roller, that is, the grinding surface rotates with the first roller, and the rotating grinding surface can make the knife sharpening more uniform and the effect is better.

[0011] As an improvement of the utility model, the first roller is connected to the left end of the bracket, and the right end of the bracket is rotatably connected to the second roller, and the second roller and the first roller are supported on the surface of the base at the same time.

[0012] As an improvement of the present invention, the bracket is a cylindrical structure, and a gripping portion is formed at the middle position of the bracket by shrinking the diameter.

[0013] As an improvement of the present utility model, the grinding component is a circular sheet structure, an assembly groove adapted to the grinding component is provided at the left end of the first roller, a magnetic block is provided at the bottom of the groove corresponding to the assembly groove of the first roller, and the grinding component is provided with a metal part for magnetic positioning of the magnetic block.

[0014] As an improvement of the utility model, anti-slip rings are provided on the circumferences of the first roller and the second roller.

[0015] As an improvement of the utility model, a first connecting frame is arranged inside the left end of the bracket, the left end of the first connecting frame leaks out to the outside of the bracket, and is detachably connected to a first end cover, after the first end cover is connected to the first connecting frame, a first slot is formed therebetween, a first bearing seat is fixedly fastened in the first slot, a first connecting portion is arranged at the right end of the first roller, the first connecting portion extends into the inner hole of the first bearing seat and fits therewith.

[0016] As an improvement of the utility model, a second connecting frame is provided inside the right end of the bracket, the right end of the first connecting frame leaks out to the outside of the bracket and is detachably connected to a second end cover, and after the second end cover is connected to the second connecting frame, a second slot is formed therebetween, a second bearing seat is fixedly fastened in the second slot, a second connecting portion is provided at the left end of the second roller, the second connecting portion extends into the inner hole of the second bearing seat and fits therewith. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a structural schematic diagram of the utility model.

[0018] Figure 2 It is a cross-sectional structural schematic diagram of the utility model.

[0019] Figure 3 This utility model Figure 2 Stereoscopic diagram.

[0020] Figure 4 It is a schematic diagram of the implementation of the utility model.

[0021] As shown in the figure: 1. bracket; 1.1. gripping part; 2. first roller; 2.1. assembly groove; 2.11. magnetic block; 2.2. first connecting part; 3. grinding component; 3.1. grinding surface; 4. blade; 5. second roller; 5.1. second connecting part; 6. anti-slip ring; 7. first connecting frame; 8. first end cover; 8.1. first slot; 9. first bearing seat; 10. second connecting frame; 11. second end cover; 11.1. second slot; 12. second bearing seat. DETAILED DESCRIPTION

[0022] The utility model is further described below in conjunction with the accompanying drawings and specific embodiments.

[0023] See also Figure 1-4 A manual knife sharpener, comprising:

[0024] A bracket 1, wherein the bracket 1 is provided with a first roller 2, wherein the first roller 2 is rotatably connected to the bracket 1, and the first roller 2 is in contact with the surface of the substrate, and is used to support the bracket 1 as a whole;

[0025] The first roller 2 is provided with a grinding component 3, and the grinding component 3 is arranged to move with the first roller 2;

[0026] The side surface of the blade 4 contacts the grinding surface 3.1 of the grinding component 3. The first roller 2 rolls on the surface of the base to move the bracket 1, thereby moving the grinding surface 3.1 of the grinding component 3 along the length direction of the blade 4, and the grinding surface 3.1 rotates to contact the side surface of the blade 4.

[0027] After adopting the above structure, the manual knife sharpener of the utility model has the following advantages compared with the prior art: during the knife sharpening operation, the knife is first positioned (by gripping it tightly or clamping it with a knife clamping device), and further, the side of the blade 4 is brought into contact with the grinding surface 3.1 of the grinding component 3, and further, the first roller 2 is brought into contact with the surface of the base so that the bracket 1 is supported as a whole. Since the first roller 2 is rotatable, the bracket 1 can be moved by the roller and moved along the length direction of the blade 4. At this time, the grinding surface 3.1 is in continuous contact with the blade 4 to grind the blade 4, and the grinding component 3 is arranged to follow the first roller 2, that is, the grinding surface 3.1 rotates with the first roller 2, and the rotating grinding surface 3.1 can make the knife sharpening uniform and the effect is better.

[0028] As an improvement of the utility model, the first roller 2 is connected to the left end of the bracket 1, and the right end of the bracket 1 is rotatably connected to the second roller 5, and the second roller 5 and the first roller 2 are supported on the surface of the substrate at the same time. After the above improvement, during the knife sharpening operation, the first roller 2 and the second roller 5 are simultaneously in contact with the surface of the substrate, and the synchronous support effect of the two rollers stabilizes the position of the bracket 1 when the bracket 1 moves, so that the grinding surface 3.1 of the grinding component 3 can stably and linearly contact the blade 4, thereby improving the grinding effect on the blade 4.

[0029] In this solution, the first roller 2, the second roller 5, and the grinding component 3 are all arranged with the same rotation axis.

[0030] As an improvement of the present invention, the bracket 1 is a cylindrical structure, and 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 and moves the device body on the surface of the base. The shrinking structure of the gripping portion 1.1 is convenient for the user to hold, and the user's experience is better.

[0031] As an improvement of the present utility model, the grinding component 3 is a circular sheet structure, the left end of the first roller 2 is provided with an assembly groove 2.1 adapted to the grinding component 3, the bottom of the groove of the first roller 2 corresponding to the assembly groove 2.1 is provided with a magnetic block 2.11, and the grinding component 3 is provided with a metal piece for magnetic positioning of the magnetic block 2.11. There are several magnetic blocks 2.11, which are provided corresponding to the bottom of the groove of the assembly groove 2.1, and the metal piece is provided at the right end of the grinding component 3. The grinding component 3.1 can be a whetstone, a grinding wheel, etc., and the metal piece can also be replaced by a magnetic block. The grinding surface 3.1 is located at the left end of the grinding component 3. The grinding component 3 is detachably installed in the assembly groove 2.1 through a magnetic connection, and has the characteristics of simple disassembly and assembly;

[0032] The side wall of the assembly groove 2.1 is provided with an opening, which further facilitates the user to disassemble and assemble the grinding component 3.

[0033] The grinding component 3 itself is made of metal that can be positioned by magnetic attraction, or the grinding component 3 is connected to metal that can be positioned by magnetic attraction.

[0034] As an improvement of the present invention, the first roller 2 and the second roller 5 are both provided with anti-skid rings 6. When in use, the anti-skid rings 6 are in contact with the surface of the substrate, and the anti-skid effect of the anti-skid rings 6 enables the first roller 2 and the second roller 5 to rotate stably, and the device operates reliably.

[0035] As an improvement of the present utility model, a first connecting frame 7 is provided inside the left end of the bracket 1, the left end of the first connecting frame 7 leaks out to the outside of the bracket 1, and is detachably connected to a first end cover 8. After the first end cover 8 is connected to the first connecting frame 7, a first card slot 8.1 is formed therebetween, a first bearing seat 9 is fixedly fastened in the first card slot 8.1, a first connecting portion 2.2 is provided at the right end of the first roller 2, the first connecting portion 2.2 extends into the inner hole of the first bearing seat 9 and fits therewith. A number of buckles are distributed in an annular manner on the inner side of the right end of the first end cover 8, a number of buckling grooves are distributed in an annular manner on the outer side of the left end of the first connecting frame 7, a flange extending radially inward is provided at the left end of the first end cover 8, and a first card slot 8.1 is formed between the flange and the front end of the first connecting frame 7;

[0036] When in use, the first end cover 8 is rotated forward, and after the buckle is fastened with the buckle groove, the first bearing seat 9 can be stably fixed in the first buckle groove 8.1;

[0037] The first end cover 8 is rotated in the reverse direction, and after the buckle is disengaged from the buckling groove, the first end cover 8, the bearing seat and the first roller 2 can be removed.

[0038] After the above improvements, the invention has the characteristics of simple structure, convenient assembly and disassembly, and easy maintenance.

[0039] As an improvement of the present invention, a second connecting frame 10 is arranged inside the right end of the bracket 1, the right end of the first connecting frame 7 leaks out to the outside of the bracket 1, and is detachably connected to a second end cover 11. After the second end cover 11 is connected to the second connecting frame 10, a second card groove 11.1 is formed therebetween, a second bearing seat is fixedly connected in the second card groove 11.1, and a second connecting portion 5.1 is arranged on the left end of the second roller 5, the second connecting portion 5.1 extends into the inner hole of the second bearing seat and fits therewith.

[0040] A plurality of buckles are distributed in an annular manner on the inner side of the left end of the second end cover 11, and a plurality of buckle grooves are distributed in an annular manner on the outer side of the right end of the second connecting frame 10. A flange extending radially inward is provided at the right end of the second end cover 11, and a second buckle groove 11.1 is formed between the flange and the right end of the second connecting frame 10;

[0041] When in use, the second end cover 11 is rotated forward, and after the buckle is fastened with the buckle groove, the second bearing seat can be stably fixed in the second buckle groove 11.1;

[0042] The second end cover 11 is rotated in the reverse direction, and after the buckle is disengaged from the buckling groove, the second end cover 11, the second bearing seat and the second roller 5 can be removed.

[0043] After the above improvements, the invention has the characteristics of simple structure, convenient assembly and disassembly, and easy maintenance.

[0044] 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. A manual knife sharpener, characterized in that: include: A support (1), wherein the support (1) is provided with a first roller (2), the first roller (2) is rotatably connected to the support (1), and the first roller (2) is in contact with the surface of the base, and is used to support the support (1) as a whole; The first roller (2) is provided with a grinding component (3), and the grinding component (3) is arranged to move with the first roller (2); The side surface of the blade (4) contacts the grinding surface (3.1) of the grinding component (3), and the first roller (2) rolls on the surface of the base to move the bracket (1), thereby causing the grinding surface (3.1) of the grinding component (3) to move along the length direction of the blade (4), and the grinding surface (3.1) rotates to contact the side surface of the blade (4).

2. A manual knife sharpener according to claim 1, characterized in that: The first roller (2) is connected to the left end of the bracket (1), and the right end of the bracket (1) is rotatably connected to the second roller (5), and the second roller (5) and the first roller (2) are supported on the surface of the base at the same time.

3. A manual knife sharpener according to claim 1, characterized in that: The support (1) is a cylindrical structure, and a gripping portion (1.1) is formed at the middle position of the support (1) by shrinking the diameter.

4. A manual knife sharpener according to claim 1, characterized in that: The grinding component (3) is a circular sheet structure, the left end of the first roller (2) is provided with an assembly groove (2.1) adapted to the grinding component (3), the bottom of the groove of the first roller (2) corresponding to the assembly groove (2.1) is provided with a magnetic attraction block (2.11), and the grinding component (3) is provided with a metal piece that can be magnetically positioned by the magnetic attraction block (2.11).

5. A manual knife sharpener according to claim 2, characterized in that: The first roller (2) and the second roller (5) are both provided with anti-slip rings (6) on their circumferential surfaces.

6. A manual knife sharpener according to claim 2, characterized in that: A first connecting frame (7) is arranged inside the left end of the bracket (1), the left end of the first connecting frame (7) leaks out to the outside of the bracket (1), and is detachably connected to a first end cover (8), after the first end cover (8) is connected to the first connecting frame (7), a first clamping groove (8.1) is formed between them, a first bearing seat (9) is clamped and fixed in the first clamping groove (8.1), and a first connecting portion (2.2) is arranged at the right end of the first roller (2), the first connecting portion (2.2) extends into the inner hole of the first bearing seat (9) and fits therewith.

7. A manual knife sharpener according to claim 6, characterized in that: A second connecting frame (10) is arranged inside the right end of the bracket (1); the right end of the first connecting frame (7) leaks out to the outside of the bracket (1) and is detachably connected to a second end cover (11); after the second end cover (11) is connected to the second connecting frame (10), a second clamping groove (11.1) is formed between them; a second bearing seat is clamped and fixed in the second clamping groove (11.1); a second connecting portion (5.1) is arranged at the left end of the second roller (5); the second connecting portion (5.1) extends into the inner hole of the second bearing seat and fits therewith.

Images