CN219925747U - Improved generation structure of whetting a knife - Google Patents
Improved generation structure of whetting a knife Download PDFInfo
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- CN219925747U CN219925747U CN202321467010.7U CN202321467010U CN219925747U CN 219925747 U CN219925747 U CN 219925747U CN 202321467010 U CN202321467010 U CN 202321467010U CN 219925747 U CN219925747 U CN 219925747U
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- sharpening
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- 229910000831 Steel Inorganic materials 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 3
- 239000010959 steel Substances 0.000 claims description 3
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 claims description 3
- 229910052721 tungsten Inorganic materials 0.000 claims description 3
- 239000010937 tungsten Substances 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 12
- 230000007547 defect Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000005498 polishing Methods 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Landscapes
- Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
Abstract
The utility model discloses an improved knife sharpening structure which can avoid cutting edge breakage and has good effect on sharpening the cutting edge, and the improved knife sharpening structure comprises a connecting seat, wherein a knife sharpening part is arranged on the connecting seat, the knife sharpening part is provided with two sharpening surfaces, a groove is formed between the two sharpening surfaces, the cutting edge enters the groove, and the sharpening surfaces are contacted with the side surfaces of the cutting edge; the grinding surface is provided with an inclined surface gradually expanding outwards from the front end to the tail end; the grinding surface is arranged from the lower end to the upper end in a structure gradually inclining towards the tail end; the utility model relates to the technical field of knife sharpeners.
Description
Technical Field
The utility model relates to the technical field of knife sharpeners, in particular to an improved knife sharpening structure.
Background
The household knife grinder is suitable for grinding kitchen knives and various self-made knives, and sharpening or cutting the knives. The existing automatic knife sharpener is generally provided with a knife rest, a knife is placed on the knife rest when the automatic knife sharpener is used, and then a motor drives a sharpening structure to sharpen a knife edge, the sharpening structure is generally provided with a sharpening part contacted with the knife edge, and the sharpening part can adopt a grinding wheel, an abrasive belt, a sharpening rod, a sharpening blade and the like.
However, the existing knife sharpening structure has the following problems: the contact area between the knife sharpening part and the blade is large, and when the blade is sharpened, if the stress capability of the blade is exceeded, the situation that the blade is broken can be caused;
in addition, when the existing sharpening part polishes the blade, the effective contact effect between the sharpening part and the blade is poor, the required time for polishing is long, and the polishing effect is poor.
Disclosure of Invention
Aiming at the defects and the defects of the prior art, the improved knife sharpening structure which can avoid the cutting edge from breaking and has good sharpening effect on the cutting edge is provided.
In order to achieve the above purpose, the present utility model provides the following technical solutions:
the utility model provides an improved generation knife sharpening structure, includes the connecting seat, be provided with the sharpening part on the connecting seat, sharpening part has two and sharpens, and be formed with the recess between two sharpening surfaces, the cutting edge gets into the recess, sharpening surface and the side contact of cutting edge;
the grinding surface is provided with an inclined surface gradually expanding outwards from the front end to the tail end;
the grinding surface is arranged from the lower end to the upper end in a structure gradually inclining towards the tail end.
After adopting above structure, the improved knife sharpening structure of the utility model has the following advantages compared with the prior art: after the blade enters the groove, the two sharpening sides facing the blade contact, and the blade is pulled back and forth from front to back to realize sharpening of the blade;
the sharpening surface is provided with an inclined surface which is gradually and outwards expanded from the front end to the tail end so as to obtain a contact area which is closer to line contact, and when sharpening is performed, the contact area of the sharpening surface and the blade is reduced, the situation that the contact area is large and exceeds the stress capability of the blade, so that the blade is broken is avoided;
the sharpening face is arranged from the lower end to the upper end to gradually incline towards the tail end, when sharpening, the inclined sharpening face is staggered with the blade, and when the blade is pulled, the effective contact effect of the sharpening face and the blade is good, and the sharpening effect of the blade can be improved.
As an improvement of the utility model, the knife sharpening part adopts two knife sharpening pieces, the two knife sharpening pieces are oppositely connected on the blade seat from left to right, and the opposite inner sides of the two knife sharpening pieces are the sharpening surfaces.
As an improvement of the utility model, the two grinding surfaces form a V-shaped structural groove with each other.
As an improvement of the utility model, the two sharpening sheets are rotated inwards until the included angle c between the horizontal center line A of the sharpening surface and the center line B of the groove is 10 degrees to 20 degrees, so as to form an inclined surface gradually expanding from the front end to the tail end.
As an improvement of the utility model, the angle c is 15 °.
As an improvement of the utility model, the two blades are inclined backwards until the included angle f between the vertical center line D of the grinding surface and the perpendicular bisector E is 3 degrees to 13 degrees, so as to form the grinding surface which is gradually inclined from the lower end to the upper end to the tail end.
As an improvement of the utility model, the angle f is 8 °.
As an improvement of the utility model, the knife blade is made of tungsten steel material.
Drawings
Fig. 1 is a schematic structural view of the present utility model.
Fig. 2 is a schematic view of the structure of two sharpening blades of the present utility model.
Fig. 3 is a partial schematic view of the attachment of the sharpening blade of the present utility model to the blade holder.
Fig. 4 is a partial schematic view of the attachment of the sharpening blade of the present utility model to the blade holder.
The figure shows: 1. a connecting seat; 2. a knife sharpening part; 2.1, grinding the surface; 2.11, inclined plane; 3. a groove; 4. a blade seat; 5. a blade; A. the horizontal center line of the grinding surface; B. a groove center line; D. the vertical center line of the grinding surface; E. and a perpendicular bisector.
Detailed Description
The utility model will be further described with reference to the drawings and the specific examples.
Referring to fig. 1, an improved knife sharpening structure includes a connecting seat 1, wherein a knife sharpening part 2 is provided on the connecting seat 1, the knife sharpening part 2 has two sharpening surfaces 2.1, a groove 3 is formed between the two sharpening surfaces 2.1, a knife edge 5 enters the groove 3, and the sharpening surfaces 2.1 contact with the side surface of the knife edge 5;
the grinding surface 2.1 is provided with an inclined surface 2.11 gradually expanding outwards from the front end to the tail end;
the sharpening surface 2.1 is arranged from the lower end to the upper end in a structure gradually inclining towards the tail end.
After adopting above structure, the improved knife sharpening structure of the utility model has the following advantages compared with the prior art: after the blade 5 enters the groove 3, the two grinding faces 2.1 are contacted with the side faces of the blade 5, and the blade 5 is pulled back and forth from front to back to grind the blade 5;
the grinding surface 2.1 is provided with an inclined surface 2.11 which is gradually and outwards expanded from the front end to the tail end so as to obtain a contact area which is closer to line contact, and when the knife is sharpened, the contact area of the grinding surface 2.1 and the knife edge 5 is reduced, so that the situation that the contact area is large and the stress capacity of the knife edge 5 is exceeded, and the knife edge 5 is broken is avoided;
the sharpening face 2.1 is arranged from the lower end to the upper end in a gradually inclined structure towards the tail end, when sharpening is performed, the inclined sharpening face 2.1 is staggered with the blade 5, and when the blade 5 is pulled, the effective contact effect of the sharpening face 2.1 and the blade 5 is good, and the sharpening effect of the blade 5 can be improved.
Referring to fig. 1-as an improvement of the present utility model, the sharpening unit 2 adopts two sharpening pieces, wherein the two sharpening pieces are connected to the blade holder 4 in a left-right opposite manner, and the opposite inner sides of the two sharpening pieces are the sharpening surfaces 2.1. After the improvement, through setting up two relative abrasive tip that set up on blade seat 4, by two inboard terminal surfaces of abrasive tip as the face of grinding 2.1, have structural design simple, the operation is reliable, long service life's characteristics.
As an improvement of the utility model, the two grinding faces 2.1 form a V-shaped structural groove 3 with each other. After the improvement, the groove 3 is arranged in a V-shaped structure, so that the cutter blade 5 with various thicknesses is suitable for entering, and the applicability of the device is improved.
As an improvement of the utility model, the two sharpening sheets are rotated inwards until the included angle c between the horizontal center line A of the sharpening surface 2.1 and the center line B of the groove 3 is 10 degrees to 20 degrees, so as to form an inclined surface 2.11 gradually expanding outwards from the front end to the tail end. After the improvement, the two sharpening pieces are connected to the blade seat 4, and the corresponding connecting structures of grooves, pins and the like on the blade seat 4 are matched with the sharpening pieces, so that the connected sharpening pieces can have inclined surfaces 2.11 gradually expanding from the front end to the tail end, and the sharpening pieces have the characteristics of lower cost and relatively simple processing and manufacturing; in addition, the included angle c is 10-20 degrees, so that the contact area between the sharpening face 2.1 and the blade 5 can be reduced, and the condition that the blade 5 is broken due to the fact that the contact area is large and the stress capability of the blade 5 is exceeded is avoided.
As an improvement of the utility model, the angle c is 15 °. When the included angle c is 15 degrees, the contact area is preferably reduced under the included angle c.
As an improvement of the utility model, the two blades are inclined backwards until the included angle f between the vertical center line D of the sharpening surface 2.1 and the perpendicular bisector E is 3 degrees to 13 degrees, so as to form the sharpening surface 2.1 which is gradually inclined from the lower end to the upper end to the tail end. Through the connection structure on the blade seat 4, the grinding blade is provided with the inclined surface 2.11 which gradually expands from the front end to the tail end after being connected, meanwhile, the grinding surface 2.1 can be arranged from the lower end to the upper end in a structure gradually inclining towards the tail end, and the grinding blade with the conventional structure can obtain the effects through the change of the connection mode, and has the characteristics of lower cost and relatively simple processing and manufacturing;
when the included angle f is 10-20 degrees; the grinding tool has the characteristics of good effective contact effect between the grinding surface 2.1 and the cutting edge 5 and capability of improving the grinding effect on the cutting edge 5.
As an improvement of the utility model, the angle f is 8 °. When the included angle f is 8 degrees, the characteristic of the sharpening effect of the blade 5 is better.
As an improvement of the utility model, the knife blade is made of tungsten steel material.
The above is only a preferred embodiment of the present utility model, and the protection scope of the present utility model is not limited to the above examples, and all technical solutions belonging to the concept of the present utility model belong to the protection scope of the present utility model. It should be noted that modifications and adaptations to the present utility model may occur to one skilled in the art without departing from the principles of the present utility model and are intended to be within the scope of the present utility model.
Claims (8)
1. An improved generation sharpening structure, includes connecting seat (1), its characterized in that: the connecting seat (1) is provided with a sharpening part (2), the sharpening part (2) is provided with two sharpening surfaces (2.1), a groove (3) is formed between the two sharpening surfaces (2.1), the blade (5) enters the groove (3), and the sharpening surfaces (2.1) are contacted with the side surfaces of the blade (5);
the grinding surface (2.1) is provided with an inclined surface (2.11) gradually expanding outwards from the front end to the tail end;
the grinding surface (2.1) is arranged from the lower end to the upper end in a structure gradually inclining towards the tail end.
2. The improved knife sharpening structure of claim 1, wherein: the knife sharpening part (2) adopts two knife sharpening pieces, the left and right sides of the two knife sharpening pieces are oppositely connected to the blade seat (4), and the inner sides of the two knife sharpening pieces are opposite to each other and are sharpening surfaces (2.1).
3. The improved knife sharpening structure of claim 2, wherein: the two grinding surfaces (2.1) form a groove (3) with a V-shaped structure.
4. The improved knife sharpening structure of claim 2, wherein: the two sharpening sheets are rotated inwards until the included angle c between the horizontal center line A of the sharpening surface (2.1) and the center line B of the groove (3) is 10-20 degrees, so as to form an inclined surface (2.11) gradually expanding outwards from the front end to the tail end.
5. The improved knife sharpening structure of claim 4, wherein: the included angle c is 15 degrees.
6. The improved knife sharpening structure of claim 4, wherein: the two blades are inclined backwards until the included angle f between the vertical center line D of the sharpening surface (2.1) and the perpendicular bisector E is 3 degrees to 13 degrees, so that the sharpening surface (2.1) which is gradually inclined from the lower end to the upper end to the tail end is formed.
7. The improved knife sharpening structure of claim 6, wherein: the included angle f is 8 degrees.
8. The improved knife sharpening structure of claim 2, wherein: the grinding blade is made of tungsten steel material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321467010.7U CN219925747U (en) | 2023-06-09 | 2023-06-09 | Improved generation structure of whetting a knife |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321467010.7U CN219925747U (en) | 2023-06-09 | 2023-06-09 | Improved generation structure of whetting a knife |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219925747U true CN219925747U (en) | 2023-10-31 |
Family
ID=88500104
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321467010.7U Active CN219925747U (en) | 2023-06-09 | 2023-06-09 | Improved generation structure of whetting a knife |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219925747U (en) |
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2023
- 2023-06-09 CN CN202321467010.7U patent/CN219925747U/en active Active
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