CN114683317A - Ceramic moving knife for rotary shaver - Google Patents

Abstract

The invention discloses a ceramic moving knife for a rotary shaver, which comprises a knife rest, wherein a knife body is arranged on the knife rest; the cutter body is provided with a first cutter face and a second cutter face, a first shearing angle is formed by the first cutting edge and meshes on the cutter net, and a second shearing angle is formed by the second cutting edge and meshes on the cutter net; when the tool rest is driven by the bidirectional motor to rotate forward or reversely, the tool body forms forward shearing of a first shearing angle or reverse shearing of a second shearing angle in the tool net. Compared with the prior art, the invention has the beneficial effects that: 1. the invention adopts ceramic materials, has high hardness, corrosion resistance, difficult abrasion and rusting and lasting sharp cutting edge; 2. the double cutting edges are designed on the cutter body, so that forward shearing and reverse shearing can be realized, and the shearing requirements of different beards are met; 3. the groove is arranged on the cutter body, so that the friction area between the cutter body and the cutter net is reduced, and the temperature rise on the cutter net is reduced when the cutter head rotates; 4. the strong cutter foot is connected with the cutter frame and the cutter body, so that the stability of the cutter body is enhanced.

Description

A ceramic moving knife for rotary shaver

technical field

The present invention relates to a ceramic moving knife used for a rotary shaver.

Background technique

The head of the shaver generally includes a knife net and a moving knife, and a shearing angle is formed between the blade of the moving knife and the knife net to cut the hairs entering the cutting angle. The current rotary electric shaver moving knives are usually made of metal materials, which are easy to rust. After a period of use, the sharpness decreases, and they are easy to wear. The hardness of the blade is not high. Moreover, the metal moving knives are usually stamped and formed. has certain limitations.

Moreover, the difference between the existing moving knives is only in the number of blades and the number of turns of the blades on the moving knife, so that the moving knife has a single structure, the beard enters the knife net slowly, and the entry angle is single, which affects the shaving efficiency.

SUMMARY OF THE INVENTION

The purpose of the present invention is to provide a movable knife whose blade is not easy to rust, has high hardness and can feed whiskers in both directions.

In order to achieve the above purpose, the present invention provides the following technical solutions: a ceramic moving knife for a rotary shaver, comprising a knife rest, a knife body is provided on the knife rest; the knife rest and the knife body pass through the ceramic material One-piece molding; the cutter body is provided with a first blade face and a second blade face, the upper end of the first blade face is a first blade, the upper end of the second blade face is a second blade, the first blade The knife edge and the second knife edge are arranged obliquely, the first knife edge and the mesh on the knife net form a first shearing angle, and the second knife edge and the mesh on the knife net form a second shearing angle; when the knife When the frame rotates in the forward or reverse direction driven by the bidirectional motor, the cutter body forms the forward shearing of the first shearing angle or the reverse shearing of the second shearing angle in the knife net.

Preferably, the upper end surface of the knife body is a horizontal trapezoid, the first knife edge and the second knife edge are arranged on two oblique sides with the same length, and the first knife face and the second knife face are inclined downward in the middle .

Preferably, the inclination angles of the first blade and the second blade are different.

Preferably, the first blade and the second blade are arranged at an angle α, and α is 20°-60°.

Preferably, the knife holder and the knife body are connected by a knife foot, and two side surfaces on the knife foot are flush with the first knife face and the second knife face respectively.

Preferably, the tool holder is a circular tool holder, and the tool body is circumferentially arranged on the peripheral surface of the tool holder through the blade feet.

Preferably, the knife feet are disposed on the peripheral surface of the knife holder obliquely outward.

Preferably, the blade holder is provided with a whisker groove, and the lower end surface of the blade holder is provided with a connecting portion connected to the driving member.

Preferably, grooves are provided on the upper end surface of the cutter body.

Compared with the prior art, the beneficial effects of the present invention are:

1. The present invention adopts ceramic material, which has high hardness, corrosion resistance, not easy to wear and rust, and the blade is lasting and sharp.

2. The double-edged edge is designed on a single cutter body, which can realize forward cutting and reverse cutting, and meet the cutting requirements of different beards.

3. Set grooves on the cutter body to reduce the friction area between the cutter body and the cutter net, thereby reducing the temperature rise of the cutter net when the cutter head rotates.

4. Set up reinforced knife feet to connect the knife holder and the knife body to enhance the stability of the knife body.

Description of drawings

FIG. 1 is a schematic diagram of the overall structure of Embodiment 2. FIG.

FIG. 2 is a schematic diagram of the overall structure of Embodiment 1. FIG.

FIG. 3 is a plan view of Example 1. FIG.

FIG. 4 is a schematic diagram of the position structure of the first shearing angle and the second shearing angle.

Markings in the accompanying drawings: 1, knife holder; 2, knife body; a, first blade face; b, second blade face; a', first blade; b', second blade; 3, blade foot; 4, Connecting part; 101. Whiskers groove; 201, groove; β, first shearing angle; γ, second shearing angle.

Detailed ways

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. The embodiments of the present invention, and all other embodiments obtained by those of ordinary skill in the art without creative work, fall within the protection scope of the present invention.

In the description of the present invention, it should be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inside", " The orientation or positional relationship indicated by "outside" is based on the orientation or positional relationship shown in the accompanying drawings, and is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the indicated device or element must have a specific orientation, so as to The specific orientation configuration and operation are therefore not to be construed as limitations of the present invention.

In the description of the present invention, it should be noted that the terms "installed", "connected" and "connected" should be understood in a broad sense, unless otherwise expressly specified and limited, for example, it may be a fixed connection or a detachable connection Connection, or integral connection; can be mechanical connection, can also be electrical connection; can be directly connected, can also be indirectly connected through an intermediate medium, can be internal communication between two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood in specific situations.

Example 1

Referring to FIG. 2, the present invention provides a technical solution: a ceramic movable knife for a rotary shaver, comprising a knife holder 1, and a knife body 2 is arranged on the knife holder 1; the knife holder 1 and the The cutter body 2 is integrally formed by a ceramic material; the cutter body 2 is provided with a first blade surface a and a second blade surface b, the upper end of the first blade surface a is a first blade a', and the second blade The upper end of the face b is the second blade b', the first blade a' and the second blade b' are arranged obliquely, and the first blade a' and the mesh on the blade net form a first shearing angle β, The second cutting edge b' and the mesh on the knife net form a second shearing angle γ; when the knife holder 1 is driven in a forward or reverse direction by the bidirectional motor, the knife body 2 forms a second shearing angle in the knife net. A forward shear at a shear angle β or a reverse shear at a second shear angle γ.

By adopting the arrangement of the above technical solution, the first blade face a and the second blade face b in opposite directions are arranged on the same cutter body 2, and two opposite shearing angles are formed between the cutter net and the cutter net, so that the positive direction can be realized. Cut and reverse cut to meet the cutting requirements of different beards.

As a further description of the above technical solution: the upper end surface of the cutter body 2 is a horizontal trapezoid, the first cutting edge a' and the second cutting edge b' are arranged on two oblique sides with the same length, and the first cutting edge a' and the second cutting edge b' are arranged on two oblique sides with the same length. The blade face a and the second blade face b are inclined downward in the middle.

By adopting the arrangement of the above technical solution, the first blade a' and the second blade b' are arranged on the oblique side of the cutter body 2, forming a shearing angle with the mesh opening of the blade net.

As a further description of the above technical solution: the inclination angles of the first blade a' and the second blade b' are different.

By adopting the arrangement of the above technical solution, the inclination angles of the first blade a' and the second blade b' are different, that is, the shearing angle of the movable knife when performing forward shearing and the inclination angle when performing reverse shearing Different shearing angles have different shearing strengths to meet the shearing requirements of different beards.

As a further description of the above technical solution: as shown in Figure 3, the first blade a' and the second blade b' are arranged at an angle of α, and α is 20°-60°.

As a further description of the above technical solution: the knife holder 1 and the knife body 2 are connected by a knife foot 3, and the two side surfaces on the knife foot 3 are respectively connected with the first knife face a and the second knife face a. The blade face b is flush.

By adopting the arrangement of the above technical solution, the knife foot 3 is arranged to connect the knife body 2 and the knife holder 1, and the end faces of the knife foot 3 are flush with the first knife face a and the second knife face b respectively, so as to enhance the stability of the knife body 2 .

As a further description of the above technical solution: the tool holder 1 is a circular tool holder 1 , and the tool body 2 is circumferentially arranged on the peripheral surface of the tool holder 1 through the blade feet 3 .

As a further description of the above technical solution: the knife feet 3 are disposed on the peripheral surface of the knife holder 1 obliquely outward.

As a further description of the above technical solution: the tool holder 1 is provided with a whisker groove 101, and the lower end surface of the tool holder 1 is provided with a connecting portion 4 that is connected to the driving member.

By adopting the arrangement of the above-mentioned technical solution, the sheared whiskers leak out from the drain groove 101, and at the same time, the weight of the cutter head is reduced.

Example 2

Referring to FIG. 1, the present invention provides a technical solution: a ceramic movable knife for a rotary shaver, comprising a knife holder 1, and a knife body 2 is arranged on the knife holder 1; the knife holder 1 and the The cutter body 2 is integrally formed by a ceramic material; the cutter body 2 is provided with a first blade surface a and a second blade surface b, the upper end of the first blade surface a is a first blade a', and the second blade The upper end of the surface b is the second cutting edge b', the first cutting edge a' and the second cutting edge b' are arranged obliquely, and the first cutting edge a' and the mesh on the knife net form a first shearing angle, so The second cutting edge b' and the mesh on the knife net form the second shearing angle; when the knife holder 1 is driven by the bidirectional motor to rotate in a forward or reverse direction, the knife body 2 forms the first shearing angle in the knife net. Forward shear of the chamfer or reverse shear of the second shear angle.

By adopting the arrangement of the above technical solution, the first blade face a and the second blade face b in opposite directions are arranged on the same cutter body 2, and two opposite shearing angles are formed between the cutter net and the cutter net, so that the positive direction can be realized. Cut and reverse cut to meet the cutting requirements of different beards.

As a further description of the above technical solution: the upper end surface of the cutter body 2 is a horizontal trapezoid, the first cutting edge a' and the second cutting edge b' are arranged on two oblique sides with the same length, and the first cutting edge a' and the second cutting edge b' are arranged on two oblique sides with the same length. The blade face a and the second blade face b are inclined downward in the middle.

By adopting the arrangement of the above technical solution, the first blade a' and the second blade b' are arranged on the oblique side of the cutter body 2, forming a shearing angle with the mesh opening of the blade net.

As a further description of the above technical solution: the inclination angles of the first blade a' and the second blade b' are different.

By adopting the arrangement of the above technical solution, the inclination angles of the first blade a' and the second blade b' are different, that is, the shearing angle of the movable knife when performing forward shearing and the inclination angle when performing reverse shearing Different shearing angles have different shearing strengths to meet the shearing requirements of different beards.

As a further description of the above technical solution: the first blade a' and the second blade b' are arranged at an angle of α, and α is 20°-60°.

As a further description of the above technical solution: the knife holder 1 and the knife body 2 are connected by a knife foot 3, and the two side surfaces on the knife foot 3 are respectively connected with the first knife face a and the second knife face a. The blade face b is flush.

By adopting the arrangement of the above technical solution, the knife foot 3 is set to connect the knife head and the knife holder 1 , and the end faces of the knife foot 3 are flush with the first knife face a and the second knife face b respectively, so as to enhance the stability of the knife body 2 .

As a further description of the above technical solution: the tool holder 1 is a circular tool holder 1 , and the tool body 2 is circumferentially arranged on the peripheral surface of the tool holder 1 through the blade feet 3 .

As a further description of the above technical solution: the knife feet 3 are disposed on the peripheral surface of the knife holder 1 obliquely outward.

As a further description of the above technical solution: the tool holder 1 is provided with a whisker groove 101, and the lower end surface of the tool holder 1 is provided with a connecting portion 4 that is connected to the driving member.

By adopting the arrangement of the above-mentioned technical solution, the sheared whiskers leak out from the drain groove 101, and at the same time, the weight of the cutter head is reduced.

As a further description of the above technical solution: the upper end surface of the scissors body 2 is provided with a groove 201 .

Through the arrangement of the above technical solutions, the friction between the upper end face of the knife body 2 and the inner end face of the knife net is reduced, thereby reducing the temperature rise of the knife net when the moving knife rotates.

The usage mode of the present invention is the same as that of the existing rotary shaver moving blade, and will not be repeated here.

The advantages of the present invention are: 1. The present invention adopts ceramic material, which has high hardness, corrosion resistance, is not easy to wear and rust, and the blade is lasting and sharp; Cut to meet the cutting requirements of different beards; 3. Set grooves on the cutter body to reduce the friction area between the cutter body and the cutter net, thereby reducing the temperature rise of the cutter net when the cutter head rotates; 4. Set the reinforcement The knife foot connects the knife holder and the knife body to enhance the stability of the knife body.

The above are only preferred specific embodiments of the present invention, but the protection scope of the invention is not limited to this. Any person skilled in the art who is familiar with the technical scope disclosed by the present invention can easily think of changes or substitutions. should be included within the protection scope of the present invention. Therefore, the protection scope of the present invention should be based on the protection scope of the claims.

Claims (9)

1. A ceramic moving knife for a rotary shaver, comprising a knife rest, which is provided with a knife body; it is characterized in that: the knife rest and the knife body are integrally formed by a ceramic material; the knife The body is provided with a first blade face and a second blade face, the upper end of the first blade face is a first blade, the upper end of the second blade face is a second blade, the first blade and the second blade The blade is inclined, the first blade and the mesh on the blade net form a first shearing angle, and the second blade and the mesh on the blade mesh form a second shearing angle; when the blade holder is driven by the bidirectional motor When making forward or reverse rotation, the cutter body forms a forward shearing of the first shearing angle or a reverse shearing of the second shearing angle in the knife net. 2. The ceramic movable knife for rotary shavers according to claim 1, wherein the upper end surface of the knife body is a horizontal trapezoid, and the first blade and the second blade are arranged at On two oblique edges of the same length, and the first and second knife faces are inclined downward in the middle. 3 . The ceramic movable knife for a rotary shaver according to claim 1 , wherein the inclination angles of the first blade and the second blade are different. 4 . 4. The ceramic movable knife for a rotary shaver according to claim 1, wherein the first blade and the second blade are arranged at an angle of α, and α is 20°-60° °. 5 . The ceramic movable knife for rotary shavers according to claim 1 , wherein the knife holder and the knife body are connected by knife feet, and the two The side surfaces are flush with the first blade face and the second blade face respectively. 6 . The ceramic movable knife for rotary shavers according to claim 4 , wherein the knife rest is a circular knife rest, and the knife body is circumferentially arranged at the place through the knife feet. 7 . on the peripheral surface of the knife holder. 7 . The ceramic movable knife for a rotary shaver according to claim 5 , wherein the knife feet are disposed obliquely outward on the peripheral surface of the knife holder. 8 . 8 . The ceramic movable knife for rotary shavers according to claim 1 , wherein the knife holder is provided with a beard slot, and the lower end surface of the knife holder is provided with a driving member. 9 . connected connector. 9 . The ceramic movable knife for rotary shavers according to claim 1 , wherein a groove is provided on the upper end surface of the knife body. 10 .

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