CN213859373U - Shaver head with fixed cutter outside and movable cutter inside - Google Patents

Abstract

The utility model relates to a shaver head with a fixed knife outside and a movable knife, which comprises a fixed blade and a movable blade, wherein the fixed blade comprises a fixed blade body, a first comb tooth and a second comb tooth which are positioned at the two opposite sides of the fixed blade body in the length direction, and tooth tip protrusions for avoiding scratching skin are formed at the end parts of each tooth tip of the first comb tooth and the second comb tooth; the movable blade comprises a movable blade body, and third comb teeth and fourth comb teeth which are positioned on two opposite sides of the length direction of the movable blade body. The utility model discloses a set up the bottom surface in the stationary blade with the moving blade, avoid the moving blade to directly contact with skin, simultaneously through setting up the prong of the broach in the stationary blade and protruding, guarantee the stability of moving blade to prevent that the moving blade from causing the damage to skin in the motion, promote user's use experience; meanwhile, the contact area between the movable blade and the fixed blade is small, the friction force is small, and the loss of the blades is reduced.

Description

Shaver head with fixed cutter outside and movable cutter inside

Technical Field

The utility model belongs to electric shaver tool bit field, concretely relates to stationary knife is outside, move the tool bit that shaves including the sword.

Background

Generally, a blade set of the electric shaver head comprises a fixed blade and a movable blade attached to the surface of the fixed blade, when the electric shaver head is used, the movable blade is driven by a motor to reciprocate at a high speed along the length direction of the fixed blade, namely along the arrangement direction of comb teeth on the fixed blade, and the comb teeth on the movable blade and the comb teeth on the fixed blade are matched with each other to realize the function of cutting off hairs.

However, most of the electric shavers have a structure that the movable blade is arranged above the fixed blade, namely, on the side of the fixed blade close to the skin, so that the movable blade directly contacts with the skin, and the comb teeth of the movable blade easily damage the skin under high-speed motion, which is very dangerous; meanwhile, the moving blade is easy to have unstable movement caused by large friction force in the high-speed movement process, the moving blade shakes along the width direction of the fixed blade in the movement process, skin is easy to scratch, the hair shearing effect is seriously influenced, and the user feels poor.

Disclosure of Invention

In order to overcome the defects of the prior art, the utility model aims to provide an improved shaver head.

For solving the technical problem, the utility model discloses a following technical scheme:

a shaving cutter head with a fixed cutter outside and a movable cutter inside comprises a fixed cutter blade and a movable cutter blade, wherein the fixed cutter blade comprises a fixed cutter blade body, a first comb tooth and a second comb tooth which are positioned on two opposite sides of the fixed cutter blade body in the length direction, a first binding surface and a second binding surface are respectively formed on the inner wall surfaces of the first comb tooth and the second comb tooth, the first binding surface and the second binding surface are arranged in a flush manner, and tooth tip protrusions for avoiding scratching skin are formed at the end parts of tooth tips of the first comb tooth and the second comb tooth;

the movable blade comprises a movable blade body, and a third comb tooth and a fourth comb tooth which are positioned on two opposite sides of the movable blade body in the length direction, wherein a third attaching surface and a fourth attaching surface are respectively formed on the side edge of the movable blade body where the third comb tooth and the fourth comb tooth are positioned, and the third attaching surface and the fourth attaching surface are arranged in a flush manner;

during assembly, the third attaching surface is attached to the first attaching surface, the fourth attaching surface is attached to the second attaching surface, and the tooth tip parts of the third comb teeth and the fourth comb teeth respectively abut against the inner sides of the tooth tip protrusions of the first comb teeth and the second comb teeth.

Preferably, each tooth tip protrusion is arranged to be arched from the corresponding tooth tip base.

In accordance with a specific embodiment and preferred aspects of the present invention, each tooth tip protrusion is in the form of a rounded transition. Through the arrangement, the skin is prevented from being scratched, and the comfort level is increased.

Preferably, the fixed blade body is arranged in an upward arched manner from the side where the first comb teeth and the second comb teeth are located, and the first attaching surface and the second attaching surface are located on the arched bottom surface. By the arrangement, the friction between the fixed blade and the movable blade is reduced.

Specifically, the first comb teeth and the second comb teeth are symmetrically arranged about the center line of the arch.

Specifically, the first abutting surface and the second abutting surface are symmetrically arranged about the center line of the arch.

Preferably, the movable blade body is arranged in a downward arched manner from the side where the third comb teeth and the fourth comb teeth are located, and the third attaching surface and the fourth attaching surface are located on the arched top surface.

Specifically, the arched central line of the movable blade body and the arched central line of the fixed blade body are aligned up and down. By the arrangement, the structure is more stable.

Preferably, the third comb teeth and the fourth comb teeth are symmetrically arranged about the center line of the arching of the moving blade body.

In addition, the third attaching surface and the fourth attaching surface are symmetrically arranged about the arched central line of the movable blade body.

Compared with the prior art, the utility model has the advantages of as follows:

the utility model discloses a with the lower bottom surface of moving blade setting at the stationary blade, avoid the moving blade direct and skin contact, protruding through the prong that sets up at the stationary blade broach simultaneously, guarantee the stability of moving blade motion to prevent that the moving blade from causing the damage to skin in the motion, improve user experience and feel, in addition, area of contact is little between moving blade and the stationary blade, and frictional force is little, more is favorable to the shearing of hair.

Drawings

Fig. 1 is a schematic perspective view of a razor head according to the present invention;

FIG. 2 is a schematic front view of the stationary blade of FIG. 1;

FIG. 3 is a front view of the movable blade of FIG. 1;

in the drawings: 1. fixing a blade; 10. a fixed blade body; 11. a first comb tooth; 12. a second comb tooth; a1, a first bonding surface; a2 and a second bonding surface; b. the tooth tip is protruded;

2. a movable blade; 20. a movable blade body; 21. a third comb tooth; 22. a fourth comb tooth; a3, a third attaching surface; a4 and a fourth contact surface.

Detailed Description

In order to make the aforementioned objects, features and advantages of the present application more comprehensible, embodiments accompanying the present application are described in detail below with reference to the accompanying drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present application. This application is capable of embodiments in many different forms than those described herein and that modifications may be made by one skilled in the art without departing from the spirit and scope of the application and it is therefore not intended to be limited to the specific embodiments disclosed below.

In the description of the present application, it is to be understood that the terms "center," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the present application and for simplicity in description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are therefore not to be considered limiting of the present application.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present application, "plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.

In this application, unless expressly stated or limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can include, for example, fixed connections, removable connections, or integral parts; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.

In this application, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may be directly contacting the first and second features or indirectly contacting the first and second features through intervening media. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature. It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "upper," "lower," "left," "right," and the like as used herein are for illustrative purposes only and do not denote a unique embodiment.

As shown in fig. 1, the shaving head according to the present embodiment includes a stationary blade 1 and a movable blade 2.

Specifically, the fixed blade 1 includes a fixed blade body 10, and a first comb tooth 11 and a second comb tooth 12 located on opposite sides of the fixed blade body 10 in the length direction.

Referring to fig. 2, the stationary blade body 10 is upwardly arched from opposite sides in the longitudinal direction thereof.

The first comb tooth 11 and the second comb tooth 12 are symmetrically arranged about the center line of the fixed blade body 10.

The inner wall surfaces of the first comb teeth 11 and the second comb teeth 12 are respectively provided with a first attaching surface a1 and a second attaching surface a2, the first attaching surface a1 and the second attaching surface a2 are located on the arched bottom surface of the fixed blade body 10 and are symmetrically arranged about the arched center line of the fixed blade body 10, and the first attaching surface a1 and the second attaching surface a2 are flush with each other. By the arrangement, the friction between the fixed blade and the movable blade is reduced.

Meanwhile, each tooth tip end part of the first comb tooth 11 and the second comb tooth 12 is also formed with a tooth tip protrusion b for avoiding scratching skin, each tooth tip protrusion b is arranged by being arched from the bottom of the corresponding tooth tip, and each tooth tip protrusion b is in fillet transition. Through the arrangement, the skin is prevented from being scratched, and the comfort level is increased.

Specifically, the movable blade 2 includes a movable blade body 20, and third comb teeth 21 and fourth comb teeth 22 located on opposite sides of the movable blade body 20 in the length direction.

Referring to fig. 3, the movable blade body 20 is arched downward from two opposite sides of the length direction thereof, and the arched center line of the movable blade body 20 is aligned with the arched center line of the fixed blade body 10. By the arrangement, the structure is more stable.

The third comb teeth 21 and the fourth comb teeth 22 are symmetrically arranged with respect to the center line of the arching of the moving blade body 20.

The side edges of the moving blade body 20 where the third comb teeth 21 and the fourth comb teeth 22 are located are respectively provided with a third attaching surface a3 and a fourth attaching surface a4, the third attaching surface a3 and the fourth attaching surface a4 are located on the arched top surface of the moving blade body 20 and are symmetrically arranged relative to the arched central line of the moving blade body 20, and the third attaching surface a3 and the fourth attaching surface a4 are arranged in a flush manner.

That is, in assembly, the third bonding surface a3 is bonded to the first bonding surface a1, the fourth bonding surface a4 is bonded to the second bonding surface a2, and the tooth tips of the third comb tooth 21 and the fourth comb tooth 22 abut against the inner sides of the tooth tip protrusions b of the first comb tooth 11 and the second comb tooth 12, respectively.

In addition, the first comb tooth 11, the second comb tooth 12, the third comb tooth 21, and the fourth comb tooth 22 may be stamped at a time by a stamping apparatus. Thus, the processing and forming are fast and the efficiency is high.

In summary, the present application has the following advantages:

1. the movable blade is arranged on the lower bottom surface of the fixed blade, so that the movable blade is prevented from directly contacting with the skin, and the skin is prevented from being damaged by the movable blade in the movement process;

2. the tooth tip protrusions arranged on the fixed blade comb teeth ensure the stability of the moving blade, further prevent the tooth tips of the moving blade from scratching the skin, and improve the use experience of a user;

3. the contact area between the movable blade and the fixed blade is small, the friction is small, and the running loss of the blades is reduced;

4. simple and reliable structure, low processing cost and convenient use.

The above embodiments are only for illustrating the technical concept and features of the present invention, and the purpose thereof is to enable those skilled in the art to understand the contents of the present invention and to implement the present invention, so as not to limit the protection scope of the present invention, and all equivalent changes or modifications made according to the spirit of the present invention should be covered by the protection scope of the present invention.

Claims (10)

1. The utility model provides a stationary knife is outside, move the tool bit that shaves including the sword, it includes stationary knife piece, moving blade, its characterized in that:

the fixed blade comprises a fixed blade body, a first comb tooth and a second comb tooth, wherein the first comb tooth and the second comb tooth are positioned on two opposite sides of the fixed blade body in the length direction, a first binding surface and a second binding surface are respectively formed on the inner wall surfaces of the first comb tooth and the second comb tooth, the first binding surface and the second binding surface are arranged in a flush manner, and a tooth tip protrusion for avoiding scratching skin is formed at the end part of each tooth tip of the first comb tooth and the second comb tooth;

the movable blade comprises a movable blade body, and third comb teeth and fourth comb teeth which are positioned on two opposite sides of the movable blade body in the length direction, wherein a third attaching surface and a fourth attaching surface are respectively formed on the side edge of the movable blade body where the third comb teeth and the fourth comb teeth are positioned, and the third attaching surface and the fourth attaching surface are arranged in a flush manner;

during assembly, the third attaching surface is attached to the first attaching surface, the fourth attaching surface is attached to the second attaching surface, and the tooth tips of the third comb teeth and the fourth comb teeth respectively abut against the inner sides of the tooth tip protrusions of the first comb teeth and the second comb teeth.

2. The razor head with the fixed knife outside and the movable knife inside according to claim 1 is characterized in that: each tooth point protrusion is arranged in a way of arching from the bottom of the corresponding tooth point.

3. The razor head with the fixed knife outside and the movable knife inside according to claim 2 is characterized in that: each tooth point protrusion is in fillet transition.

4. The razor head with the fixed knife outside and the movable knife inside according to claim 1 is characterized in that: the fixed blade body is arranged in an upward arched mode from the side where the first comb teeth and the second comb teeth are located, and the first attaching surface and the second attaching surface are located on the arched bottom surface.

5. The razor head with the fixed knife outside and the movable knife inside according to claim 4 is characterized in that: the first comb teeth and the second comb teeth are symmetrically arranged about the arched center line.

6. The razor head with the fixed knife outside and the movable knife inside according to claim 4 is characterized in that: the first abutting surface and the second abutting surface are symmetrically arranged relative to the arched central line.

7. The razor head with the fixed knife outside and the movable knife inside according to claim 4 is characterized in that: the movable blade body is arranged in a downward arched mode from the side where the third comb teeth and the fourth comb teeth are located, and the third attaching surface and the fourth attaching surface are located on the arched top surface.

8. The razor head with the fixed knife outside and the movable knife inside according to claim 7 is characterized in that: the arched central line of the movable blade body and the arched central line of the fixed blade body are aligned up and down.

9. The razor head with the fixed knife outside and the movable knife inside according to claim 7 is characterized in that: the third comb teeth and the fourth comb teeth are symmetrically arranged around the arched central line of the moving blade body.

10. The razor head with the fixed knife outside and the movable knife inside according to claim 7 is characterized in that: the third binding face and the fourth binding face are symmetrically arranged about the arched central line of the movable blade body.

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