CN115256476A - Improve tool bit subassembly of skin sense - Google Patents

Abstract

The invention provides a cutter head component for improving skin feel, which comprises a fixed blade and a movable blade, wherein the jointing surface of the fixed blade is of an arc-shaped structure, the arc-shaped structure of the jointing surface is arranged in a bending way towards the contact surface of the blade, in the pushing process of the fixed blade on the surface of the skin, only two end areas of the fixed blade which is arranged in the bending way generate a pulling effect with the skin, the skin in the middle of the bending way is raised, hair can conveniently stretch into a cutting area, the hair is prevented from being pressed by a cutter tooth in the pushing process, and the distance from the jointing surface of the fixed blade to the contact surface of the blade is shortened by the jointing surface of the arc-shaped structure, so that the hair can be cut in an area closer to the skin.

Description

Improve tool bit subassembly of skin sense

Technical Field

The invention relates to the technical field of hair trimming cutter heads, in particular to a cutter head component for improving skin feel.

Background

At present, common hair trimming devices, such as hair clippers, hair shavers and the like, generally adopt an electric drive transmission mode, use a battery or a transformer as a power supply source, use a motor as a core driving component, and arrange an eccentric shaft on a power output shaft of the motor, wherein the eccentric shaft drives a moving blade to reciprocate on a blade attaching surface of a stationary blade, and in the using process, human hair enters a blade tooth gap of the stationary blade, and the moving blade and the stationary blade reciprocate to cut the entering hair in a matching manner.

However, in order to save the manufacturing cost of the current stationary blade, the blade teeth usually adopt a simple multi-surface cutting process, the skin attaching surface formed by the blade teeth of the stationary blade is a planar structure formed by a plurality of arranged blade teeth, in the process of pushing the stationary blade on the skin surface, the planar blade teeth always extrude and draw the corresponding cutting area of the skin, the hair easily rolls in the blade teeth area, the hair is far away from the cutting area of the stationary blade and the movable blade after being separated from the blade teeth, the hair cutting effect is not good, and the skin contact feeling is not good.

Disclosure of Invention

In view of the above problems, an object of the present invention is to provide a cutter head assembly for improving skin feel, so as to solve the problems that in the prior art, when a stationary blade is pushed on the skin surface, a planar blade tooth always presses and pulls a cutting region corresponding to the skin, hairs are easy to roll in the blade tooth region, the hairs are far away from the cutting regions of the stationary blade and the movable blade after being separated from the blade tooth, the hair cutting effect is poor, and the skin contact feeling is poor.

The invention provides a cutter head component for improving skin feel, which comprises a static cutter blade and a movable cutter blade;

the cutter teeth are distributed on the fixed blade and comprise an attaching surface and a blade contact surface, the cutter teeth are provided with pushing ends, the attaching surface of the cutter teeth is of an arc-shaped structure, the arc-shaped structure of the attaching surface is arranged in a bending mode towards the blade contact surface, lateral guide surfaces are arranged on opposite surfaces between the cutter teeth, and the lateral guide surfaces are connected with the blade contact surface to form a cutting included angle;

the movable blade is in contact with the blade contact surface of the fixed blade and is in contact with the cutting included angle.

In a preferred embodiment, the distance between the lateral guide surfaces on both sides of the cutter tooth towards the abutting surface is smaller than the distance between the lateral guide surfaces on both sides of the cutter tooth towards the direction of the cutting included angle. The interval of the guide surface towards the binding surface direction of the two sides of the knife teeth is smaller than the interval of the cutting included angle direction, so that the guide surface can reduce the interval through the guide surface, the cutting included angle is reduced in the connected area of the guide surface and the blade contact surface, when the movable blade reciprocates in the cutting included angle area of the knife teeth, the sharpness of the cutting included angle is improved, and the cutting efficiency when the movable blade and the static blade are matched is improved.

In a preferred embodiment, the lateral guide surface comprises a first guide surface and a second guide surface, the first guide surface and the second guide surface are connected, and the second guide surface forms a cutting included angle with the blade contact surface. Through being divided into first guide surface and second guide surface with the guide surface, the machined surface of guide surface simplifies to two-sidedly, improves the machining efficiency of sword tooth side.

In a preferred embodiment, the lateral guide surface is a cambered surface structure, and the cambered surface structure is recessed towards the center of the cutter tooth. Through establishing the guide surface into cambered surface structure for can rely on the sunken degree of depth adjustment of cambered surface to cut the angle of contained angle in production process, be convenient for match with the movable blade in the setting process of stationary blade.

In a preferred embodiment, the pushing end of the cutter tooth is provided with an arc-shaped structure. The pushing end of the cutter teeth is set to be of an arc-shaped structure, so that the contact between the sharp edge of a cutting surface and the skin is reduced, and the stimulation of the pushing end of the static blade to the skin is reduced.

As a preferred embodiment, a root part communication part between the cutter teeth is provided with a pushing surface which is of an arc structure. Through the root intercommunication department between the sword tooth set up the propelling movement face of arc structure, when the hair that is not pruned removes the root intercommunication department between the sword tooth, avoid sharp edge hook hair or scraping skin, improve the use travelling comfort of quiet blade in the propelling movement in-process.

In a preferred embodiment, the side of the cutter teeth facing the blade contact surface is provided with an oil storage groove. Through setting up the oil storage tank towards blade contact surface one side on the sword tooth, can store lubricating oil in inside, provide lubricated operation to reciprocating motion's movable blade to dispel the heat that produces in the movable blade motion friction process, and reduce the sword tooth friction area on quiet blade of movable blade, further reduce and generate heat.

In a preferred embodiment, the blade contact surface of the static blade is provided with a heat sink. The heat dissipation grooves are distributed on the blade contact surface of the static blade, so that the friction area of the abutting area of the movable blade and the static blade and the heat generated by friction are reduced.

As a preferred embodiment, the device further comprises a motor transmission groove, and the motor transmission groove is connected with the movable blade. The motor transmission groove is formed in the movable blade, so that the power output shaft of the motor can be conveniently subjected to transmission processing of reciprocating motion through the eccentric shaft.

In a preferred embodiment, the stationary blade is provided with a mounting opening for fixing the stationary blade. By providing the mounting opening of the stationary blade, it is facilitated to mount the stationary blade to a corresponding mounting area of the hair clipper or shaver body.

Different from the prior art, the technical scheme has the following advantages: set up to the arc structure through the binding face with stationary blade, and set up the arc structure of binding face towards the crooked setting of blade contact surface, be located the in-process of skin surface propelling movement at stationary blade, only the stationary blade both ends region that the bending set up produces the pulling effect with skin, it rises to be located the skin that the bending set up the middle part, hair is convenient for stretch into the cutting region, avoid being pushed down by the sword tooth in promoting the process, and the binding face of arc structure has shortened the distance of stationary blade binding face to blade contact surface, make hair can be cut in the region that is close to skin more.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.

FIG. 1 is a schematic view of an overall construction of a skin feel enhancing razor head assembly according to an embodiment of the invention;

FIG. 2 is a schematic front view of a skin feel enhancing razor head assembly according to an embodiment of the invention;

FIG. 3 is a schematic bottom view of a skin feel enhancing razor head assembly according to an embodiment of the invention;

FIG. 4 is a schematic cross-sectional view of a skin-feel enhancing razor head assembly according to an embodiment of the invention;

fig. 5 is a side view of a skin feel enhancing shaving head assembly in accordance with an embodiment of the present invention.

The reference numerals referred to in the above figures are explained below:

10. a stationary blade;

11. cutter teeth; 12. A binding face; 13. A blade contact surface; 14. A lateral guide surface;

15. cutting an included angle; 16. A first guide surface; 17. A second guide surface;

18. pushing the dough; 19. An oil storage tank; 110. An assembly port; 111. A heat sink;

20. a movable blade;

21. a motor drive groove.

Detailed Description

In order to explain in detail possible application scenarios, technical principles, practical embodiments, and the like of the present application, the following detailed description is given with reference to the accompanying drawings in conjunction with the listed embodiments. The embodiments described herein are merely for more clearly illustrating the technical solutions of the present application, and therefore, the embodiments are only used as examples, and the scope of the present application is not limited thereby.

Reference herein to "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment can be included in at least one embodiment of the application. The appearances of the phrase "in one embodiment" in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or related to other embodiments specifically defined. In principle, in the present application, the technical features mentioned in the embodiments can be combined in any manner to form a corresponding implementable technical solution as long as there is no technical contradiction or conflict.

Unless defined otherwise, technical terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs; the use of relational terms herein is intended only to describe particular embodiments and is not intended to limit the present application.

In the description of the present application, the term "and/or" is a expression for describing a logical relationship between objects, meaning that three relationships may exist, for example a and/or B, meaning: there are three cases of A, B, and both A and B. In addition, the character "/" herein generally indicates that the former and latter associated objects are in a logical relationship of "or".

In this application, terms such as "first" and "second" are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions.

Without further limitation, in this application, the use of "including," "comprising," "having," or other similar expressions in phrases and expressions of "including," "comprising," or "having," is intended to cover a non-exclusive inclusion, and such expressions do not exclude the presence of additional elements in a process, method, or article that includes the recited elements, such that a process, method, or article that includes a list of elements may include not only those elements but also other elements not expressly listed or inherent to such process, method, or article.

As is understood in the examination of the guidelines, the terms "greater than", "less than", "more than" and the like in this application are to be understood as excluding the number; the expressions "above", "below", "within" and the like are understood to include the present numbers. In addition, in the description of the embodiments of the present application, "a plurality" means two or more (including two), and expressions related to "a plurality" similar thereto are also understood, for example, "a plurality of groups", "a plurality of times", and the like, unless specifically defined otherwise.

In the description of the embodiments of the present application, spatially relative expressions such as "central," "longitudinal," "lateral," "length," "width," "thickness," "up," "down," "front," "back," "left," "right," "vertical," "horizontal," "vertical," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used, and the indicated orientations or positional relationships are based on the orientations or positional relationships shown in the specific embodiments or drawings and are only for convenience of describing the specific embodiments of the present application or for the convenience of the reader, and do not indicate or imply that the device or component in question must have a specific position, a specific orientation, or be constructed or operated in a specific orientation and therefore should not be construed as limiting the embodiments of the present application.

Unless specifically stated or limited otherwise, the terms "mounted," "connected," "secured," and "disposed" used in the description of the embodiments of the present application should be construed broadly. For example, the connection can be a fixed connection, a detachable connection, or an integrated arrangement; it can be a mechanical connection, an electrical connection, or a communication connection; they may be directly connected or indirectly connected through an intermediate; which may be communication within two elements or an interaction of two elements. Specific meanings of the above terms in the embodiments of the present application can be understood by those skilled in the art to which the present application pertains in accordance with specific situations.

Referring to fig. 1 to 5 together, the inventor provides a skin-feel-improving razor head assembly, which comprises a stationary blade 10 and a movable blade 20. The fixed blade 10 is provided with a blade tooth 11, the blade tooth 11 comprises a binding surface 12 and a blade contact surface 13, and the blade tooth 11 is provided with a pushing end (specifically, the pushing end is the tip of the blade tooth or the moving direction of the blade tooth on the skin in the use process). The binding face of sword tooth 11 is the arc structure, and the arc structure of binding face 12 sets up towards blade contact surface 13 is crooked (the binding face curved surface of sword tooth sets up towards blade contact surface direction is sunken), and relative face is equipped with side direction guide face 14 between sword tooth 11 (the face opposite between the sword tooth, when arranging the setting promptly for the sword tooth, relative face between the adjacent sword tooth), and side direction guide face 14 links to each other with blade contact surface 13, forms cutting contained angle 15. The movable blade 20 is in contact with the blade contact surface 13 of the stationary blade 10 and in contact with the cutting included angle 15.

According to the structure, in the working process of the skin-feeling-improved cutter head component, the blade contact surface of the fixed blade is attached to the movable blade, the cutting area is formed in the area where the cutter teeth of the movable blade and the fixed blade are located, the movable blade outputs power through the power output shaft of the motor, and the cutter teeth of the movable blade and the cutter teeth of the fixed blade reciprocate in the cutting area direction and in the cutting included angle area of the fixed blade. The user contacts the abutting surface of the static blade with the skin and pushes the static blade towards the skin along the direction of the pushing end. In the pushing process, the skin firstly contacts the pushing end and then is pushed away from the pushing end and is raised, and in the skin raising process, the hair extends into the gap between the cutter teeth and is contacted with the arc-shaped structure of the binding surface of the cutter teeth. The abutting surface of the arc-shaped structure reduces friction force on the skin, so that the skin can be raised and hairs can be stretched into the cutting area for hair cutting. The hair cutter has the advantages that the hair cutter is prevented from being pressed by cutter teeth in the pushing process, and the distance from the static blade attaching surface to the blade contact surface is shortened by the attaching surface of the arc-shaped structure, so that hair can be cut in an area closer to the skin. Until the hair cutting process is completed.

Referring to fig. 1 to 5, as a preferred embodiment, the distance between the lateral guiding surfaces 14 on both sides of the cutter tooth 11 toward the attaching surface 12 is smaller than the distance between the lateral guiding surfaces 14 toward the cutting included angle 15. The interval of the guide surfaces on the two sides of the knife teeth towards the binding surface direction is smaller than the interval of the cutting included angle direction, so that the guide surfaces can reduce the interval through the guide surfaces, the cutting included angle is reduced in the connected area of the guide surfaces and the blade contact surface, when the movable blade reciprocates in the cutting included angle area of the knife teeth, the cutting sharpness when the cutting included angle is staggered with the movable blade is improved, and the cutting efficiency when the movable blade is matched with the fixed blade is improved.

Referring to fig. 1 to 5, as a preferred embodiment, the lateral guiding surface 14 includes a first guiding surface 16 and a second guiding surface 17, the first guiding surface 16 is connected with the second guiding surface 17, and the second guiding surface 17 forms a cutting angle 15 with the blade contact surface 13. Through dividing into first guide surface and second guide surface with the guide surface, the machined surface of guide surface simplifies to two-sided, improves the machining efficiency of sword tooth side.

In some preferred embodiments, in order to further increase the angle of the included cutting angle, the lateral guide surface may comprise more than two, such as three or four, guide surfaces, which are connected in sequence to further decrease the angle of the included cutting angle.

Referring to fig. 1 to 5, as a preferred embodiment, the lateral guiding surface 14 is a cambered surface structure, and the cambered surface structure is recessed toward the center of the cutter tooth 11. Through establishing the guide surface into cambered surface structure for can rely on the sunken degree of depth adjustment cutting contained angle in the course of working of cambered surface in production process, be convenient for match with the movable blade in the setting process of stationary blade.

In a preferred embodiment, the pushing end of the cutter tooth is provided with an arc-shaped structure. Set up to the arc structure through the propelling movement end with the sword tooth, at the in-process of stationary blade propelling movement, skin contacts the propelling movement end in advance to direct and arc structure contact, and get into the arc structural region of binding face under the guide of arc structure in, reduced the sharp edge of propelling movement end cutting face, rely on the arc structure guide with the sword tooth tip of the contact of skin, reduce the stimulation of stationary blade propelling movement end to skin.

Referring to fig. 1 to 5, as a preferred embodiment, the root communication between the cutter teeth 11 (i.e. the gap between the roots of two adjacent cutter teeth) is provided with a pushing surface 18, which is an arc-shaped structure. Set up the propelling movement face of arc structure through the root intercommunication department between the sword tooth, when the hair that is not pruned removes the root intercommunication department between the sword tooth, avoid sharp edge hook hair or scraping skin, improve the use travelling comfort of quiet blade in the propelling movement in-process.

Referring to fig. 1 to 5, as a preferred embodiment, an oil reservoir 19 is provided on a side of the cutter tooth 11 facing the blade contact surface 13. Through setting up the oil storage tank towards blade contact surface one side on the sword tooth, can store lubricating oil in inside, provide lubricated operation to reciprocating motion's movable blade to dispel the heat that produces in the movable blade motion friction process, and reduce the sword tooth friction area on quiet blade of movable blade, further reduce and generate heat.

Referring to fig. 1 to 5, as a preferred embodiment, the blade contact surface 13 of the stationary blade 10 is provided with heat dissipation grooves 111. The heat dissipation grooves are distributed on the blade contact surface of the static blade, so that the friction area of the contact area of the movable blade and the static blade and the heat generated by friction are reduced.

Referring to fig. 1 to 5, as a preferred embodiment, the present invention further includes a motor transmission slot 21, and the motor transmission slot 21 is connected to the movable blade 20. The motor transmission groove is formed in the movable blade, so that the power output shaft of the motor can be conveniently subjected to transmission processing of reciprocating motion through the eccentric shaft.

Referring to fig. 1 to 5 together, as a preferred embodiment, the stationary blade 10 is provided with a mounting port 110 for fixing the stationary blade. By providing the mounting opening of the stationary blade, it is facilitated to mount the stationary blade to a corresponding mounting area of the hair clipper or shaver body. In some preferred embodiments, the fixed blade and the hair clipper and the hair shaver can be detachably connected through a structure such as a buckle, a sliding groove or a bolt, and the fixed connection of the fixed blade and the hair clipper and the hair shaver body can also be realized through a structure such as hot melting or gluing or a one-way buckle in order to provide stability of structural assembly.

In the above embodiments, the skin feel enhancing bit assembly may be used in a hair clipper, shaver or shaver configuration.

In the above-mentioned embodiment, the sword tooth can be partly of stationary blade, offers by stationary blade body structure and forms, in other embodiments, also can adopt to set up independent sword tooth structure, assembles on stationary blade, is convenient for change sword tooth wearing and tearing, perhaps to the hair of different hardness and density, changes the stationary blade of different sharpness, improves the convenience that stationary blade used and maintained.

In some embodiments, the knife teeth of the movable blade can adopt the same knife tooth structure as the stationary blade, and can be provided with a lateral guide surface of the movable blade and an arc-shaped structure of a cutting end.

In the above embodiment, the knife teeth of the movable blade and the knife teeth of the stationary blade are attached to each other, and in order to enable the movable blade to be stably lapped on the stationary blade, the movable blade may be provided with the extension member, and the extension member is attached to the stationary blade at other positions to realize multipoint contact with the stationary blade, so that the movable blade is stably lapped on the stationary blade.

Finally, it should be noted that, although the above embodiments have been described in the text and drawings of the present application, the scope of the patent protection of the present application is not limited thereby. All technical solutions which are generated by replacing or modifying the equivalent structure or the equivalent flow according to the contents described in the text and the drawings of the present application, and which are directly or indirectly implemented in other related technical fields, are included in the scope of protection of the present application.

Claims (10)

1. A cutter head component for improving skin feel is characterized by comprising a static cutter blade and a movable cutter blade;

the cutter teeth are distributed on the static blade and comprise binding surfaces and blade contact surfaces, the cutter teeth are provided with pushing ends, the binding surfaces of the cutter teeth are arc-shaped structures, the arc-shaped structures of the binding surfaces are arranged towards the blade contact surfaces in a bending mode, lateral guide surfaces are arranged on opposite surfaces between the cutter teeth, and the lateral guide surfaces are connected with the blade contact surfaces to form a cutting included angle;

the movable blade is in contact with the blade contact surface of the fixed blade and is in contact with the cutting included angle.

2. The skin feel enhancement bit assembly of claim 1 wherein said laterally directed surfaces on opposite sides of said tooth are spaced toward said abutment surface by a distance less than the spacing in the direction of said included cutting angle.

3. The skin feel enhancement bit assembly of claim 2 wherein said lateral guide surfaces comprise first and second guide surfaces, said first and second guide surfaces being contiguous, said second guide surface forming a cutting angle with said blade contact surface.

4. The skin feel enhancement bit assembly of claim 2 wherein said lateral guide surfaces are arcuate surfaces that are concave toward the center of the cutter teeth.

5. The skin feel enhancement bit assembly of claim 1 wherein the pushing ends of the teeth are provided in an arcuate configuration.

6. The skin feel enhancement bit assembly of claim 1 wherein root communication between said teeth is provided with a push surface, said push surface being arcuate in configuration.

7. The skin feel enhancement bit assembly of claim 1 wherein a surface of said teeth facing said blade contacting surface is provided with an oil reservoir.

8. The skin feel enhancement razor head assembly of claim 1, wherein the blade contacting surface of said stationary blade is provided with heat sink grooves.

9. The skin feel enhancement razor head assembly of claim 1 further comprising a motor drive slot, the motor drive slot being connected to the movable blade.

10. The skin feel enhancement bit assembly of claim 1 wherein said stationary blade is provided with a mounting opening for securing said stationary blade.

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