CN213998783U

CN213998783U - Household knife grinder

Info

Publication number: CN213998783U
Application number: CN202120014458.8U
Authority: CN
Inventors: 孟彦荣
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-01-05
Filing date: 2021-01-05
Publication date: 2021-08-20
Anticipated expiration: 2031-01-05

Abstract

The utility model provides a household knife sharpening device. Domestic knife sharpening device includes: a U-shaped frame; the first motor is fixedly arranged on the inner wall of the bottom of the U-shaped frame; the first round rod is rotatably arranged at the top of the U-shaped frame, and one end of the first round rod is fixedly connected with an output shaft of the first motor; the first gear is fixedly sleeved on the first round rod; the two second round rods are rotatably arranged at the top of the U-shaped frame; the two second gears are respectively fixedly sleeved on the two second round rods and are meshed with the first gears; and the two cylinders are respectively and fixedly sleeved on the two second round rods. The utility model provides a domestic knife sharpening device has simple structure, convenient to use and the high advantage of security.

Description

Household knife grinder

Technical Field

The utility model relates to a knife sharpening instrument technical field especially relates to a domestic knife sharpening device.

Background

The knife sharpening device is an appliance for sharpening a knife, a kitchen knife is a necessary tool for each family kitchen, the kitchen knife is used for a long time or is not used properly, the blade point of the kitchen knife can become dull or generate a notch, and therefore the kitchen knife needs to be sharpened again.

The traditional knife sharpening method is to hold a household knife, the blade point of the knife is rubbed on a knife stone until the knife becomes sharp again, however, when the traditional knife stone is used, the knife is held by hand, the operation is inconvenient when the angle of the knife is adjusted, and the risk of cutting hands is caused.

Therefore, there is a need to provide a new household knife sharpening device to solve the above technical problems.

SUMMERY OF THE UTILITY MODEL

The utility model provides a technical problem provide a simple structure, convenient to use and high domestic knife sharpening device of security.

In order to solve the technical problem, the utility model provides a domestic knife sharpening device includes: a U-shaped frame; the first motor is fixedly arranged on the inner wall of the bottom of the U-shaped frame; the first round rod is rotatably arranged at the top of the U-shaped frame, and one end of the first round rod is fixedly connected with an output shaft of the first motor; the first gear is fixedly sleeved on the first round rod; the two second round rods are rotatably arranged at the top of the U-shaped frame; the two second gears are respectively fixedly sleeved on the two second round rods and are meshed with the first gears; the two cylinders are respectively and fixedly sleeved on the two second round rods; the groove is formed in the inner wall of the bottom of the U-shaped frame; the first screw rod is rotatably arranged in the groove, and one end of the first screw rod extends out of the U-shaped frame; the second screw rod is rotatably arranged in the groove, and one end of the second screw rod extends out of the U-shaped frame; the second motor is fixedly arranged on the outer wall of one side of the U-shaped frame, and an output shaft of the second motor is fixedly connected with one end of the first screw rod; the third motor is fixedly arranged on the outer wall of one side of the U-shaped frame, and an output shaft of the third motor is fixedly connected with one end of the second screw rod; the two moving plates are respectively sleeved on the first screw rod and the second screw rod in a threaded manner, and are both connected with the inner wall of the bottom of the groove in a sliding manner; and the two fixed blocks are fixedly arranged at the tops of the two movable plates respectively.

Preferably, the cylinder is made of sandstone, and the fixing block is made of a magnet.

Preferably, the outer wall of one side of each of the two moving plates is provided with an internal threaded hole, and the first screw rod and the second screw rod respectively penetrate through the corresponding internal threaded holes and are screwed with the inner walls of the corresponding internal threaded holes.

Preferably, a limiting groove is formed in the inner wall of the bottom of the groove, and the bottom end of the moving plate extends into the limiting groove and is in sliding connection with the inner wall of the limiting groove.

Preferably, two first bearing seats are fixedly installed on the inner wall of the bottom of the U-shaped frame, and the first round rod is rotatably connected with the two first bearing seats.

Preferably, four second bearing seats are fixedly mounted on the inner wall of the bottom of the U-shaped frame, and the two second round rods are respectively and rotatably connected with the corresponding second bearing seats.

Preferably, two supporting plates are fixedly mounted on the inner wall of the bottom of the limiting groove, and one ends, close to each other, of the first screw rod and the second screw rod are respectively connected with the two supporting plates in a rotating mode.

Compared with the prior art, the utility model provides a domestic knife sharpening device has following beneficial effect:

the utility model provides a household knife grinder, which can adjust the position of a knife by arranging a groove, a first screw rod, a second motor, a third motor, a movable plate, a fixed block and a limit groove, thereby achieving the purpose of clamping the knife, preventing the knife from deviating in the grinding process and facilitating the next operation; through the setting of U-shaped frame, first motor, first round bar, first gear, second round bar, second gear and drum, reach the purpose of whetting a knife, reduce handheld cutter operation, avoid the user to operate improper injury.

Drawings

FIG. 1 is a schematic structural view of a preferred embodiment of a household knife grinder provided in the present invention;

FIG. 2 is a schematic view of the household appliance for sharpening shown in FIG. 1, as seen from above;

reference numbers in the figures: 1. a U-shaped frame; 2. a first motor; 3. a first round bar; 4. a first gear; 5. a second round bar; 6. a second gear; 7. a cylinder; 8. a groove; 9. a first lead screw; 10. a second lead screw; 11. a second motor; 12. a third motor; 13. moving the plate; 14. a fixed block; 15. a limiting groove.

Detailed Description

The present invention will be further described with reference to the accompanying drawings and embodiments.

Please refer to fig. 1 and fig. 2, wherein fig. 1 is a schematic structural diagram of a preferred embodiment of a household knife grinder according to the present invention; fig. 2 is an assembly view of the household knife sharpener shown in fig. 1 in a top view. Domestic knife sharpening device includes: a U-shaped frame 1; the first motor 2 is fixedly arranged on the inner wall of the bottom of the U-shaped frame 1; the first round rod 3 is rotatably installed at the top of the U-shaped frame 1, and one end of the first round rod 3 is fixedly connected with an output shaft of the first motor 2; the first gear 4 is fixedly sleeved on the first round rod 3; the two second round rods 5 are both rotatably arranged at the top of the U-shaped frame 1; the two second gears 6 are respectively fixedly sleeved on the two second round rods 5, and the two second gears 6 are meshed with the first gear 4; the two cylinders 7 are respectively and fixedly sleeved on the two second round rods 5; the groove 8 is formed in the inner wall of the bottom of the U-shaped frame 1; the first screw rod 9 is rotatably arranged in the groove 8, and one end of the first screw rod 9 extends out of the U-shaped frame 1; the second screw rod 10 is rotatably arranged in the groove 8, and one end of the second screw rod 10 extends out of the U-shaped frame 1; the second motor 11 is fixedly arranged on the outer wall of one side of the U-shaped frame 1, and an output shaft of the second motor 11 is fixedly connected with one end of the first screw rod 9; the third motor 12 is fixedly arranged on the outer wall of one side of the U-shaped frame 1, and an output shaft of the third motor 12 is fixedly connected with one end of the second screw rod 10; the two moving plates 13 are respectively sleeved on the first screw rod 9 and the second screw rod 10 in a threaded manner, and the two moving plates 13 are both connected with the inner wall of the bottom of the groove 8 in a sliding manner; and the two fixed blocks 14 are respectively and fixedly arranged at the tops of the two moving plates 13.

The cylinder 7 is made of sandstone, and the fixed block 14 is made of a magnet.

The outer wall of one side of each of the two moving plates 13 is provided with an internal threaded hole, and the first screw rod 9 and the second screw rod 10 respectively penetrate through the corresponding internal threaded holes and are screwed with the corresponding inner walls of the internal threaded holes.

A limiting groove 15 is formed in the inner wall of the bottom of the groove 8, and the bottom end of the moving plate 13 extends into the limiting groove 15 and is in sliding connection with the inner wall of the limiting groove 15.

Two first bearing seats are fixedly installed on the inner wall of the bottom of the U-shaped frame 1, and the first round rod 3 is rotatably connected with the two first bearing seats.

Four second bearing seats are fixedly installed on the inner wall of the bottom of the U-shaped frame 1, and the two second round rods 5 are respectively and rotatably connected with the corresponding second bearing seats.

Two supporting plates are fixedly mounted on the inner wall of the bottom of the limiting groove 15, and one ends, close to each other, of the first screw rod 9 and the second screw rod 10 are rotatably connected with the two supporting plates respectively.

The utility model provides a domestic knife sharpening device's theory of operation as follows: when the tool is used, the tool is placed between the two cylinders 7 by holding the tool, the blade of the tool is respectively contacted with the outer walls of the two cylinders 7, the second motor 11 is started, the output shaft of the second motor 11 drives the first screw rod 9 to rotate, so that the movable plate 13 on the first screw rod 9 moves in the horizontal direction under the limiting action of the limiting groove 15 until the fixed block 14 contacts with the outer wall of one side of the tool, the second motor 11 stops running, the third motor 12 is started, the output shaft of the third motor 12 drives the second screw rod 10 to rotate, so that the movable plate 13 on the second screw rod 10 moves towards the first screw rod 9 until the fixed block 14 contacts with the outer wall of the other side of the tool, the third motor 12 stops running, the two fixed blocks 14 are made of magnets, the two fixed blocks 14 are matched to adsorb and fix the tool, the first motor 2 is started, the output shaft of the first motor 2 drives the first round rod 3 to rotate, the first gear 4 on the first round rod 3 rotates along with the first gear 4, the two second gears 6 meshed with the first gear 4 rotate along with the first gear 4, so that the two second round rods 5 are driven to rotate, the two second round rods 5 drive the two cylinders 7 to rotate, and the two cylinders 7 rub against a cutter when rotating, so that the effect of sharpening the cutter is achieved; the household cutter has the advantages that the thickness of the household cutter can be divided into two parts, the outer wall of one side of the cutter can be contacted with the outer wall of one of the cylinders 7 when the cutter is used for grinding, the two fixing blocks 14 are used for clamping and fixing the cutter, the two fixing blocks 14 are moved after one side of the cutter is ground, the other side of the cutter is contacted with the outer wall of the other cylinder 7, and then the grinding is carried out.

the utility model provides a household knife grinder, which can adjust the position of a knife by arranging a groove 8, a first screw rod 9, a second screw rod 10, a second motor 11, a third motor 12, a movable plate 13, a fixed block 14 and a limit groove 15, thereby achieving the purpose of clamping the knife, preventing the knife from deviating from the position in the grinding process and facilitating the next operation; through the setting of U-shaped frame 1, first motor 2, first round bar 3, first gear 4, second round bar 5, second gear 6 and drum 7, reach the purpose of whetting a knife, reduce handheld cutter operation, avoid the user to operate improper injury.

The above only is the embodiment of the present invention, not limiting the scope of the present invention, all the equivalent structures or equivalent processes of the present invention are used in the specification and the attached drawings, or directly or indirectly applied to other related technical fields, and the same principle is included in the protection scope of the present invention.

Claims

1. A household knife sharpening device, comprising:

a U-shaped frame;

the first motor is fixedly arranged on the inner wall of the bottom of the U-shaped frame;

the first round rod is rotatably arranged at the top of the U-shaped frame, and one end of the first round rod is fixedly connected with an output shaft of the first motor;

the first gear is fixedly sleeved on the first round rod;

the two second round rods are rotatably arranged at the top of the U-shaped frame;

the two second gears are respectively fixedly sleeved on the two second round rods and are meshed with the first gears;

the two cylinders are respectively and fixedly sleeved on the two second round rods;

the groove is formed in the inner wall of the bottom of the U-shaped frame;

the first screw rod is rotatably arranged in the groove, and one end of the first screw rod extends out of the U-shaped frame;

the second screw rod is rotatably arranged in the groove, and one end of the second screw rod extends out of the U-shaped frame;

the second motor is fixedly arranged on the outer wall of one side of the U-shaped frame, and an output shaft of the second motor is fixedly connected with one end of the first screw rod;

the third motor is fixedly arranged on the outer wall of one side of the U-shaped frame, and an output shaft of the third motor is fixedly connected with one end of the second screw rod;

the two moving plates are respectively sleeved on the first screw rod and the second screw rod in a threaded manner, and are both connected with the inner wall of the bottom of the groove in a sliding manner;

and the two fixed blocks are fixedly arranged at the tops of the two movable plates respectively.

2. The household knife sharpener of claim 1, wherein the cylinder is made of sandstone and the fixing block is made of a magnet.

3. The household knife grinding device according to claim 1, wherein an inner threaded hole is formed in an outer wall of one side of each of the two moving plates, and the first screw rod and the second screw rod respectively penetrate through the corresponding inner threaded holes and are screwed with inner walls of the corresponding inner threaded holes.

4. The household knife sharpening device as defined in claim 1, wherein a limiting groove is formed on an inner wall of a bottom of the groove, and a bottom end of the moving plate extends into the limiting groove and is slidably connected with an inner wall of the limiting groove.

5. The household knife sharpening device as defined in claim 1, wherein two first bearing seats are fixedly mounted on the inner bottom wall of the U-shaped frame, and the first round bar is rotatably connected with the two first bearing seats.

6. The household knife sharpening device according to claim 1, wherein four second bearing seats are fixedly mounted on the inner wall of the bottom of the U-shaped frame, and two second round rods are respectively and rotatably connected with the corresponding second bearing seats.

7. The household knife grinding device according to claim 4, wherein two support plates are fixedly mounted on the inner wall of the bottom of the limiting groove, and the ends of the first screw rod and the second screw rod, which are close to each other, are respectively and rotatably connected with the two support plates.