CN214180191U

CN214180191U - Two-blade cutter and handheld stirrer

Info

Publication number: CN214180191U
Application number: CN202022311431.3U
Authority: CN
Inventors: 郭建刚; 周兴平
Original assignee: Guangdong Xinbao Electrical Appliances Holdings Co Ltd
Current assignee: Guangdong Xinbao Electrical Appliances Holdings Co Ltd
Priority date: 2020-10-16
Filing date: 2020-10-16
Publication date: 2021-09-14
Anticipated expiration: 2030-10-16

Abstract

The utility model relates to the technical field of mixers, in particular to a two-blade cutter, and discloses a handheld mixer with two blade cutters; the cutting machine comprises a cutter with a shaft sleeve, wherein at least one blade is arranged in the radial direction of the shaft sleeve, the blade forms a cutting area on a rotating plane of the cutter when the cutter rotates by taking the shaft sleeve as a center, and a cutting edge is arranged on the front side edge of the blade on the same side with the rotating direction of the cutter; one surface of the blade is provided with a turbulent fluid, and the turbulent fluid is arranged on the blade in a protruding mode along the axial direction; in the two-blade and handheld stirrer of the utility model, the cutting tool crushes and stirs the food materials in the cutting area through the rotating track of the cutting blade; the protruding setting of vortex body is on one of them face of blade, thereby the vortex body rotates along with the cutter and has expanded cutter disturbance scope in the axial, produces near cutting zone vortex with the flow and the exchange of promotion fluid, can effectively promote solid edible material flow direction cutting zone in order to improve and smash and stirring efficiency.

Description

Two-blade cutter and handheld stirrer

Technical Field

The utility model relates to a mixer technical field indicates a two leaf sword very much, discloses a hand-held type mixer with two leaf knives simultaneously.

Background

Stirring is to make solution, solvent, powder and the like uniformly mixed by circulating a certain amount through a stirring device, or to uniformly crush the materials into paste and mud; the stirring object mainly aims at the fluid and is divided into gas, liquid, semisolid and granular solid according to phase. The existing hand-held small-sized blender achieves the cutting effect on food materials through the high-speed rotation of blades of a stirring rod in liquid, and the high-speed rotation of the blades also promotes the mixing of various food materials so as to obtain a uniform slurry mixture. The existing stirring rod generally adopts a two-blade knife form, and the two-blade knife structure has different characteristics, and the cutting effect is different.

Chinese patent CN107809935A discloses a drum mixer cutter with milling ribs, comprising an insert with milling ribs that are raised in the axial direction from the insert and are oriented such that the milling ribs produce a milling effect when rotated and define respective milling zones extending from the hub to the cutting zone of the cutter. According to the scheme, a milling area and a cutting area on a blade rotating plane are formed by milling ribs and cutting edges, and the milling area and the cutting area are arranged in a radially extending mode and do not overlap; in addition to the cutting in the circumferential direction with the sharp cutting edges of the blade tool, an effective milling function of the milling rib in the pressing direction is provided. This in turn enables the knife to cut solid food better and faster. This scheme has set up the milling rib for improving solid food crushing efficiency, but is the same with current two leaf sword and multi-leaf sword structure, when the mixer is in smashing the stirring operation in liquid, does not have fine balanced cutting efficiency and the suction effect to the fluid, and stirring efficiency is not high.

Accordingly, the prior art is yet to be improved and developed.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to prior art's defect and not enough, provide a rational in infrastructure, through disturbing fluid and forming the vortex in the cutting zone, can effectively improve two leaf knives and hand-held type mixer that the cutting was smashed efficiency.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model relates to a two-blade knife, which comprises a knife with a shaft sleeve, wherein at least one blade is arranged in the radial direction of the shaft sleeve, the blade forms a cutting area on the rotating plane of the knife when the knife rotates by taking the shaft sleeve as the center, and the front side edge of the blade at the same side with the rotating direction of the knife is provided with a cutting edge; one side of the blade is provided with a disturbing fluid, and the disturbing fluid is arranged on the blade along the axial direction in a protruding mode. The cutter is applied to kitchen processing equipment, the cutter is installed on an output shaft of a motor through a shaft sleeve and is driven to rotate by the motor, the blade rotates around the shaft sleeve and the output shaft, a plane of a rotating track formed by any point of the cutting edge is perpendicular to the output shaft, and therefore the rotating plane of the cutter can be understood to be perpendicular to the output shaft. The cutting edge is arranged on the front side edge of the blade and points to the rotating direction of the cutter, and the cutter crushes and stirs food materials in the cutting area through the rotating track of the cutting edge. The protruding setting of vortex body is on one of them face of blade, thereby the vortex body has expanded cutter disturbance scope along with the cutter rotation in the axial, and then produces near cutting area vortex in order to promote fluidic flow and exchange, can effectively promote solid edible material flow direction cutting area to improve and smash and stirring efficiency.

According to the scheme, when the cutter rotates by taking the shaft sleeve as a center, the turbulent fluid forms a turbulent flow area in the cutting area. The cutting blade is arranged by taking the shaft sleeve as a center and extending along the radial direction of the shaft sleeve, the cutting blade can be formed by punching a plate-shaped material generally, a prismatic cutting edge is formed at the front side edge of the cutting blade through grinding, a cutting area surrounding the shaft sleeve is formed by the cutting edge when the cutter rotates, and the cutting area formed by rotating a single cutting edge is in a frustum shape and is overlapped with two frustum structures because the cutting blade and the cutting edge can form an included angle with a rotating plane. The spoiler is arranged on one surface of the blade in a protruding mode, and the projection of a spoiler area formed by the spoiler on a rotating plane is located in the cutting area and overlapped with the cutting area. Furthermore, when the cutter rotates, the solid food materials are crushed and decomposed through the cutting edge at first, then flow along the cutting edge plane along with the fluid and pass through the fluid disturbing body on the blade surface, and the fluid disturbing body generates impact force on the food materials to further crush the food materials, so that the crushing and stirring efficiency is effectively improved.

According to above scheme, the both sides of axle sleeve are equipped with two blades relatively, thereby two blades respectively along axial bending or bending and the rotation plane constitution contained angle C of cutter, thereby the blade constitutes contained angle C with the rotation plane of cutter and makes the cutting area that the cutting edge formed be the round platform form, thereby the projection of cutting area on vertical plane is isosceles trapezoid promptly, and then under the circumstances that the rotation orbit external diameter of cutter is injectd, the length of cutting edge is longer, and the cutting scope of cutting edge in the axial is bigger. Particularly, the rotating track formed by the obliquely arranged blades generates an axial displacement effect on the fluid, so that the food material flows sufficiently along with the fluid to improve the working efficiency of the cutter.

According to the scheme, the protruding height of the turbulent fluid on the blade surface is H, the H is 0.2-1.0mm, and the area ratio of the turbulent flow area to the cutting area is 0.2-0.8: 1. The turbulent fluid is arranged behind the cutting edge in the rotating direction of the cutter, the opposite solid food material and the fluid reversely flow relative to the cutter, the cutting edge is firstly contacted with the solid food material in the fluid, the cut and decomposed food material continuously flows to collide with the turbulent fluid through the surface of the blade, and the blade rotates at a high speed to enable the turbulent fluid to have a large amount of kinetic energy so as to impact the food material to be further decomposed. The action principle of the disturbing fluid is to drive and accelerate the fluid to move, so that the contact rate of food materials and the cutting edge is improved, and the crushing efficiency of the cutter can be improved more when the area of a disturbing area formed by the disturbing fluid relative to the cutting area is larger. The crushing action of the turbulent flow body needs to consume the power of the motor, and the larger the height of the turbulent flow body protruding out of the surface of the blade is, the larger the fluid resistance needs to be, so that the crushing efficiency of the cutter and the power loss of the motor can be effectively balanced by controlling H to be 0.2-1.0 mm.

According to the scheme, the other surface of the blade is provided with a stamping groove corresponding to the spoiler, and the stamping groove is arranged on the blade in a concave mode along the axial direction. The preferable turbulent flow body is formed by punching, and when the turbulent flow body is formed on one surface of the blade by punching, a punching groove is correspondingly formed on the other surface; the punching groove can form a cavity effect in the cutting area when the cutter rotates at a high speed, and then fluid flows to the cutting area at an accelerated speed so as to improve the crushing and stirring efficiency.

According to the above aspect, the projection of the cutting edge on the tool rotation plane is in the shape of a circular arc, and the projection of the rear side edge of the blade on the tool rotation plane is in the shape of a circular arc. The cutting edge and the blade are integrally designed by adopting an arc-shaped blade structure, the radius R of the cutting edge is 28.0+/-5.0mm, the rear side edge R of the blade is 18.0+/-5.0mm, the arc-shaped blade structure is more accordant with fluid motion mechanics, and the cutting is more efficient.

A hand-held mixer with a two-blade cutter comprises a main machine and a connector, wherein a transmission shaft is arranged on the connector, and one end of the connector is connected with the main machine so as to enable one end of the transmission shaft to be in transmission connection with the main machine; and the other end of the connector is provided with a stirring cover, a cutter is arranged in the stirring cover, and the other end of the transmission shaft is fixedly connected with the shaft sleeve.

The utility model discloses a two leaf knives and hand-held mixer, the cutter is applied to kitchen treatment facility, and the cutter passes through the axle sleeve and installs on the output shaft of motor and by its drive rotation, and the cutter smashes and stirs the edible material in the cutting area through the rotatory orbit of cutting edge; the protruding setting of vortex body is on one of them face of blade, thereby the vortex body rotates along with the cutter and has expanded cutter disturbance scope in the axial, produces near cutting zone vortex with the flow and the exchange of promotion fluid, can effectively promote solid edible material flow direction cutting zone in order to improve and smash and stirring efficiency.

Drawings

FIG. 1 is a schematic view of the front structure of the cutting tool of the present invention;

FIG. 2 is a schematic view of a rotary plane structure of the cutting tool of the present invention;

FIG. 3 is a schematic view of the side and front structure of the cutting tool of the present invention;

FIG. 4 is a schematic view of the cross-sectional structure A-A of FIG. 3;

fig. 5 is a schematic view of the overall front structure of the present invention;

fig. 6 is a schematic view of the assembly structure of the connector and the cutter of the present invention.

In the figure:

1. a cutter; 2. a blade; 3. a host; 11. a shaft sleeve; 21. a cutting zone; 22. a cutting edge; 23. a fluid-disturbing body; 24. a turbulent flow area; 25. punching a groove; 31. a connector; 32. a drive shaft; 33. and (5) stirring a cover.

Detailed Description

The technical solution of the present invention will be described below with reference to the accompanying drawings and examples.

As shown in fig. 1-4, the two-blade knife of the present invention includes a knife 1 having a shaft sleeve 11, at least one blade 2 is disposed in the radial direction of the shaft sleeve 11, the blade 2 forms a cutting area 21 on the rotation plane of the knife 1 when the knife 1 rotates around the shaft sleeve 11, and a cutting edge 22 is disposed on the front side edge of the blade 2 on the same side of the rotation direction of the knife 1; one surface of the blade 2 is provided with a fluid disturbing body 23, and the fluid disturbing body 23 is arranged on the blade 2 in an axial direction in a protruding mode. The knife 1 is applied to kitchen processing equipment, the knife 1 is installed on an output shaft of a motor through a shaft sleeve 11 and driven to rotate by the output shaft, the blade 2 rotates around the shaft sleeve 11 and the output shaft, a plane of a rotating track formed by any point of the cutting edge 22 is perpendicular to the output shaft, and therefore the rotating plane of the knife 1 can be understood to be perpendicular to the output shaft. The cutting edge 22 is arranged on the front side edge of the blade 2 and points to the rotating direction of the cutter 1, and the cutter 1 crushes and stirs the food materials in the cutting area 21 through the rotating track of the cutting edge 22. The turbulent flow body 23 is convexly arranged on one surface of the blade 2, the turbulent flow body 23 rotates along with the cutter 1, the disturbance range of the cutter 1 is expanded in the axial direction, then a vortex is generated near the cutting area 21 to promote the flow and exchange of the fluid, the solid food material can be effectively promoted to flow to the cutting area 21, and the crushing and stirring efficiency is improved.

As shown in fig. 2, the spoiler 23 forms a spoiler region 24 in the cutting region 21 when the cutter 1 rotates around the sleeve 11. The blade 2 is arranged by taking the shaft sleeve 11 as a center and extending along the radial direction of the shaft sleeve, the blade 2 can be formed by punching a plate-shaped material, the front side edge of the blade 2 is processed into a prismatic cutting edge 22 through grinding, the cutting edge 22 forms a cutting area 21 surrounding the shaft sleeve 11 when the cutter 1 rotates, and the cutting area 21 formed by rotating a single cutting edge 22 is in a frustum shape, and the cutting areas 21 formed by rotating two cutting edges 22 are in a superposition shape of two frustum structures because the blade 2 and the cutting edge 22 can form an included angle with a rotating plane. The turbulent flow 23 is convexly arranged on one surface of the blade 2, and forms a turbulent flow area 24 which is overlapped with the turbulent flow area in the cutting area 21 in the projection of the rotating plane. Furthermore, when the cutter 1 rotates, the solid food material is crushed and decomposed through the cutting edge 22, and then flows through the flow disturbing body 23 on the surface of the blade 2 along the plane of the cutting edge 22 along with the fluid, so that the flow disturbing body 23 generates impact force on the food material to further crush the food material, and the crushing and stirring efficiency is effectively improved.

As shown in fig. 3, two blades 2 are oppositely arranged on two sides of the shaft sleeve 11, the two blades 2 are respectively bent or bent along the axial direction to form an included angle C with the rotation plane of the cutter 1, and the blades 2 form an included angle C with the rotation plane of the cutter 1, so that the cutting area 21 formed by the cutting edge 22 is in a circular truncated cone shape, that is, the projection of the cutting area 21 on the vertical plane is an isosceles trapezoid, and further, under the condition that the outer diameter of the rotation track of the cutter 1 is limited, the length of the cutting edge 22 is longer, and the cutting range of the cutting edge 22 in the axial direction is larger. In particular, the rotating track formed by the obliquely arranged blades 2 generates an axial displacement effect on the fluid, so that the food material flows sufficiently with the fluid to improve the working efficiency of the cutter 1.

The protruding height of the turbulent flow body 23 on the surface of the blade 2 is H, H is 0.2-1.0mm, and the area ratio of the turbulent flow area 24 to the cutting area 21 is 0.2-0.8: 1. The turbulent fluid 23 is behind the cutting edge 22 in the rotating direction of the cutter 1, the opposite solid food material and fluid flow in the opposite direction relative to the cutter 1, the cutting edge 22 first contacts with the solid food material in the fluid, the cut and decomposed food material continues to flow through the surface of the blade 2 to collide with the turbulent fluid 23, and the blade 2 rotates at a high speed to enable the turbulent fluid 23 to have a large amount of kinetic energy so as to impact the food material to be further decomposed. The disturbing fluid 23 has the function of driving and accelerating the fluid movement, so that the contact rate of the food material and the cutting edge 22 is improved, and the crushing efficiency of the cutter 1 can be improved more when the area ratio of the disturbing flow area 24 formed by the disturbing fluid 23 to the cutting area 21 is larger. The crushing action of the turbulent flow body 23 needs to consume the power of the motor, and the larger the height of the turbulent flow body 23 protruding out of the surface of the blade 2 is, the larger the fluid resistance needs to be, so that the crushing efficiency of the cutter 1 and the power loss of the motor can be effectively balanced by controlling H to be 0.2-1.0 mm.

As shown in fig. 4, a punching groove 25 corresponding to the spoiler 23 is provided on the other surface of the insert 2, and the punching groove 25 is recessed in the insert 2 in the axial direction. The preferable turbulent body 23 is formed by punching, and the turbulent body 23 is formed on one surface of the blade 2 by punching, and a punching groove 25 is correspondingly formed on the other surface; the punching grooves 25 form a cavity effect in the cutting area 21 when the cutter 1 rotates at a high speed, and further accelerate the fluid to flow to the cutting area 21 to improve the crushing and stirring efficiency.

The projection of the cutting edge 22 on the rotation plane of the cutter 1 is arc-shaped, and the projection of the rear side edge of the blade 2 on the rotation plane of the cutter 1 is arc-shaped. The cutting edge 22 and the blade 2 are integrally designed by adopting an arc-shaped blade structure, the radius R of the cutting edge 22 is 28.0+/-5.0mm, the rear side edge R of the blade 2 is 18.0+/-5.0mm, and the blade 2 structure designed in an arc shape better accords with fluid motion mechanics and has more efficient cutting.

As shown in fig. 5-6, a hand-held blender with two blades comprises a main frame 3 and a connector 31, wherein a transmission shaft 32 is arranged on the connector 31, and one end of the connector 31 is connected with the main frame 3 so as to make one end of the transmission shaft 32 in transmission connection with the main frame 3; the other end of the connector 31 is provided with a stirring cover 33, a cutter 1 is arranged in the stirring cover 33, and the other end of the transmission shaft 32 is fixedly connected with the shaft sleeve 11.

The above is only the preferred embodiment of the present invention, so all the equivalent changes or modifications made by the structure, features and principles in accordance with the claims of the present invention are included in the claims of the present invention.

Claims

1. A two-blade cutter comprises a cutter with a shaft sleeve, wherein at least one blade is arranged in the radial direction of the shaft sleeve, the blade forms a cutting area on a rotating plane of the cutter when the cutter rotates by taking the shaft sleeve as a center, and a cutting edge is arranged on the front side edge of the blade on the same side with the rotating direction of the cutter; it is characterized in that the preparation method is characterized in that,

one side of the blade is provided with a disturbing fluid, and the disturbing fluid is arranged on the blade along the axial direction in a protruding mode.

2. The two-bladed knife of claim 1 wherein the fluid disturber forms a turbulent zone within the cutting zone as the knife rotates about the hub.

3. The two-blade knife according to claim 1, wherein the two blades are oppositely disposed on both sides of the bushing, and are respectively bent or bent in the axial direction to form an angle C with the rotation plane of the knife.

4. A two-blade according to any of claims 1 to 3 wherein the height of the protrusion of the turbulent fluid at the blade surface is H, 0.2 to 1.0mm, and the area ratio of the turbulent flow region to the cutting region is 0.2 to 0.8: 1.

5. The double-blade as claimed in any one of claims 1 to 3, wherein the other surface of the blade is provided with a punching groove corresponding to the spoiler, and the punching groove is recessed in the blade in the axial direction.

6. A hand mixer having the two-bladed knife of claim 1, wherein the projection of the cutting edge onto the plane of rotation of the knife is in the shape of a circular arc and the projection of the rear edge of the blade onto the plane of rotation of the knife is in the shape of a circular arc.

7. A hand-held mixer with the two-blade knife of claim 1, comprising a main machine and a connector, wherein the connector is provided with a transmission shaft, and one end of the connector is connected with the main machine so as to enable one end of the transmission shaft to be in transmission connection with the main machine; and the other end of the connector is provided with a stirring cover, a cutter is arranged in the stirring cover, and the other end of the transmission shaft is fixedly connected with the shaft sleeve.