CN212020193U

CN212020193U - Electric knife sharpener

Info

Publication number: CN212020193U
Application number: CN202020485861.4U
Authority: CN
Inventors: 王柳权
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-04-07
Filing date: 2020-04-07
Publication date: 2020-11-27
Anticipated expiration: 2030-04-07

Abstract

The utility model discloses an electric knife sharpener, which comprises a base, wherein a motor and two bearing seats are arranged on the base, the motor is connected with a driving shaft, the driving shaft is connected with a driven shaft, the output shaft of the motor, the driving shaft and the driven shaft are concentric, the driven shaft sequentially passes through the two bearing seats, and a bearing is arranged between the driven shaft and the bearing seats; the end parts of the driven shafts at the inner sides of the two bearing seats are respectively sleeved with a first fixed disk, a second fixed disk is fixed at the middle position of the driven shaft, the driven shafts at the two sides of the second fixed disk are respectively sleeved with a whetstone, the whetstone is connected with the first fixed disk through a first spring, and the whetstone is connected with the second fixed disk through a second spring. The utility model discloses can not produce resonance when using, the security is higher, moreover the utility model discloses in regard to the second fixed disk as cutting off, can make two whetstones independent use, one of them regulation offset back, another can not influenced.

Description

Electric knife sharpener

Technical Field

The utility model belongs to the technical field of the sharpener and specifically relates to an electric sharpener.

Background

The cutting edge of kitchen knife etc. can be polished sharp fast to current electronic sharpener, but current electronic sharpener all is connected with the motor through a main shaft, may produce resonance in the use and lead to the axle fracture, may lead to the blade damage of polishing even, still has certain potential safety hazard. And the whetstone among the present most sharpeners is fixed on the main shaft, and it can't come self-adjusting position according to the thickness of cutter, and thicker cutter blocks easily at the in-process of polishing. Even if the position-adjustable knife stone exists, after a cutter is inserted, all the knife stones on the main shaft can be shifted together, so that the use of the knife stones at other positions is influenced.

SUMMERY OF THE UTILITY MODEL

The utility model provides an overcome foretell not enough, provide an electric knife sharpener that the main shaft can not produce resonance, whetstone does not influence mutually.

The technical scheme of the utility model as follows:

an electric knife sharpener comprises a base 1, wherein a motor and two bearing seats 3 are arranged on the base 1, the motor is connected with a driving shaft 4, the driving shaft 4 is connected with a driven shaft 5, an output shaft of the motor, the driving shaft 4 and the driven shaft 5 are concentric, the driven shaft 5 sequentially penetrates through the two bearing seats 3, and a bearing is arranged between the driven shaft 5 and the bearing seats 3;

the end parts of the driven shafts 5 at the inner sides of the two bearing seats 3 are respectively sleeved with a first fixed disk 6, the middle position of the driven shaft 5 is fixedly provided with a second fixed disk 7, the driven shafts 5 at the two sides of the second fixed disk 7 are respectively sleeved with a knife stone 8, the knife stone 8 is connected with the first fixed disk 6 through a first spring 9, and the knife stone 8 is connected with the second fixed disk 7 through a second spring 10. The springs are arranged on the two sides of the knife sharpening stone, so that after the cutter is inserted into the knife placing opening, the position of the knife sharpening stone can be automatically adjusted according to the thickness of the cutter, and the knife sharpener is suitable for cutters with different thicknesses.

The driven shaft 5 is in a cross shape, and holes in the first fixing disc 6 and the first fixing disc 8 for enabling the driven shaft 5 to penetrate through are also in a cross shape corresponding to the holes, so that the driven shaft can drive the grinding wheel, the fixing disc and the like to rotate together when rotating.

One end of the driving shaft 4 is connected with the motor, the other end of the driving shaft 4 is provided with a long groove 41, a long boss 51 protrudes outwards from the end part of one end of the driven shaft 5 connected with the driving shaft 4, and the long boss 51 is clamped in the long groove 41.

Preferably, wave-shaped insections are further arranged on two side walls of the long groove 4, so that the long boss is clamped into the long groove more stably and prevented from slipping.

Preferably, both side surfaces of the whetstone 8 are fixed with a connecting disc 11, and the whetstone 8 is respectively connected with the first spring 9 and the second spring 10 through the connecting discs 11 at both sides.

The first spring and the second spring are both sleeved on the driven shaft 5, and when the first spring 9 is in an initial state, namely the first spring does not receive compressive force, the two first fixed disks 6 are respectively attached to the corresponding bearing seats 3 and are bonded with bearings in the bearing seats.

The base 1 is also provided with a shell 2 which covers the motor, the bearing seat, the shaft, the knife stone and the like, the shell 2 is provided with a switch 21, the base 1 is also provided with a battery, and the battery, the switch 21 and the motor are electrically connected; the shell 2 is also provided with a knife placing edge 81 corresponding to the positions of the two knife grindstones 8.

The utility model has the advantages that:

the utility model discloses a driving shaft is connected with the motor, and the driven shaft is connected the connected mode of this kind of two axles with the driving shaft, and the whetstone is installed on the driven shaft, consequently can not produce resonance, and the security is higher. And the utility model discloses in regard to the second fixed disk as cutting off, can make two whetstones independent use, after one of them regulation offset, another can not influenced.

Drawings

The invention will now be described, by way of example, with reference to the accompanying drawings, in which:

fig. 1 is a schematic view of the present invention;

FIG. 2 is a schematic view of a portion of the structure on the base;

FIG. 3 is an enlarged view of a portion of FIG. 2;

fig. 4 is a schematic view of the driving shaft and the driven shaft.

Detailed Description

The present invention will now be described in further detail with reference to the accompanying drawings. These drawings are simplified schematic drawings and illustrate the basic structure of the present invention only in a schematic manner, and thus show only the components related to the present invention.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted", "provided", "connected", and the like are to be construed broadly, such as "connected", which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; the two elements can be directly connected or indirectly connected through an intermediate medium such as glue, and the two elements can be communicated with each other. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

The electric knife sharpener shown in the figures 1-4 comprises a base 1, wherein a motor and two bearing seats 3 are arranged on the base 1, the motor is connected with a driving shaft 4, the driving shaft 4 is connected with a driven shaft 5, an output shaft of the motor, the driving shaft 4 and the driven shaft 5 are concentric, the driven shaft 5 sequentially penetrates through the two bearing seats 3, and a bearing is arranged between the driven shaft 5 and the bearing seats 3. The end parts of the driven shafts 5 on the inner sides of the two bearing seats 3 are respectively sleeved with a first fixed disk 6, a second fixed disk 7 is fixed at the middle position of the driven shaft 5, the driven shafts 5 on the two sides of the second fixed disk 7 are respectively sleeved with a knife stone 8, two side surfaces of the knife stone 8 are respectively fixed with a connecting disk 11, the driven shafts also penetrate through the connecting disks, the knife stones 8 pass through the connecting disks 11 on the two sides and are connected with the first fixed disk 6 through first springs 9, and the second fixed disk 7 is connected through second springs 10. The first spring and the second spring are both sleeved on the driven shaft 5, and when the first spring 9 is in an initial state, namely the first spring does not receive compressive force, the two first fixed disks 6 are respectively attached to the corresponding bearing seats 3 and are bonded with bearings in the bearing seats. The springs are arranged on the two sides of the knife sharpening stone, so that after the knife is inserted into the knife placing opening, the position of the knife sharpening stone can be automatically adjusted according to the thickness of the knife, the situation of blocking cannot occur, and the knife sharpener is suitable for knives with different thicknesses. And the utility model discloses in regard to the second fixed disk as cutting off, can make two whetstones and the spring of being connected corresponding as two whole independent uses, after one of them regulation offset, another can not influenced.

The driven shaft 5 is in a cross shape, and holes in the first fixing disc 6 and the first fixing disc 8 for enabling the driven shaft 5 to penetrate through are also in a cross shape corresponding to the holes, so that the driven shaft can drive the whetstone, the connecting disc, the fixing disc and the like to rotate together when rotating. The end part of one end, connected with the driving shaft 4, of the driven shaft 5 is provided with a long boss 51 in a protruding mode, one end of the driving shaft 4 is connected with the motor, the other end of the driving shaft 4 is provided with a long groove 41, the long boss 51 is clamped in the long groove 41, and wavy insections are further arranged on two side walls of the long groove 41, so that the long boss is more stable after being clamped in the long groove, and slipping is prevented. And adopt the driving shaft to be connected with the motor, the connected mode of this kind of two axles of driven shaft tip card in the driving shaft installs the whetstone on the driven shaft, can not produce resonance in the operation process, and the security is higher.

In light of the above, the present invention is not limited to the above embodiments, and various changes and modifications can be made by the worker without departing from the scope of the present invention. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.

Claims

1. The utility model provides an electric sharpener, includes base (1), characterized by: the motor and the two bearing seats (3) are arranged on the base (1), the motor is connected with a driving shaft (4), the driving shaft (4) is connected with a driven shaft (5), an output shaft of the motor, the driving shaft (4) and the driven shaft (5) are concentric, the driven shaft (5) sequentially penetrates through the two bearing seats (3), and a bearing is arranged between the driven shaft (5) and the bearing seats (3);

the end parts of the driven shafts (5) on the inner sides of the two bearing seats (3) are respectively sleeved with a first fixed disc (6), a second fixed disc (7) is fixed at the middle position of the driven shafts (5), the driven shafts (5) on the two sides of the second fixed disc (7) are respectively sleeved with a knife stone (8), the knife stone (8) is connected with the first fixed disc (6) through a first spring (9), and the knife stone (8) is connected with the second fixed disc (7) through a second spring (10).

2. The electric sharpener of claim 1, wherein: the driven shaft (5) is in a cross shape, and holes for enabling the driven shaft (5) to penetrate through in the first fixed disc (6) and the knife stone (8) are also in a cross shape corresponding to the driven shaft.

3. The electric sharpener of claim 1, wherein: one end of the driving shaft (4) is connected with the motor, the other end of the driving shaft is provided with a long groove (41), a long boss (51) protrudes outwards from the end part of one end of the driven shaft (5) connected with the driving shaft (4), and the long boss (51) is clamped in the long groove (41).

4. The electric sharpener of claim 3, wherein: wave-shaped insections are also arranged on two side walls of the long groove (41).

5. The electric sharpener of claim 1, wherein: and the two side surfaces of the knife stone (8) are both fixed with a connecting disc (11), and the knife stone (8) is respectively connected with the first spring (9) and the second spring (10) through the connecting discs (11) on the two sides.

6. The electric sharpener of claim 1, wherein: the springs are all sleeved on the driven shaft (5), and when the first springs (9) are in an initial state, the two first fixed disks (6) are respectively attached to the corresponding bearing seats (3).

7. The electric sharpener of claim 1, wherein: the base (1) is also provided with a shell (2), the shell (2) is provided with a switch (21), the base (1) is also provided with a battery, and the battery, the switch (21) and the motor are electrically connected; the shell (2) is also provided with a knife placing edge (81) corresponding to the positions of the two knife grindstones (8).