CN210452834U - Razor blade assembly and razor head with same - Google Patents
Razor blade assembly and razor head with same Download PDFInfo
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- CN210452834U CN210452834U CN201921020507.8U CN201921020507U CN210452834U CN 210452834 U CN210452834 U CN 210452834U CN 201921020507 U CN201921020507 U CN 201921020507U CN 210452834 U CN210452834 U CN 210452834U
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Abstract
The utility model provides a razor blade subassembly and have razor tool bit of this blade subassembly, blade subassembly include annular closed quiet sword, with the closed quiet sword relative reciprocating motion of annular move the sword, annular closed quiet sword is around forming hollow closed ring, moves the sword and is located closed ring, annular closed quiet sword has the first sword holding surface that moves of relative setting and moves the sword holding surface with the second, and annular closed quiet sword has at least one and connects the first sword holding surface and moves the shearing edge that moves the sword holding surface with the second, the shearing edge forms quiet sword tooth, move the sword and set up first sword tooth portion, first sword tooth portion can move the sword holding surface laminating with the second, forms quiet sword between two adjacent quiet sword teeth and cuts the mouth, and quiet sword cuts the mouth and is extended towards the sword tooth end by the root of quiet sword tooth. The utility model discloses set up the closed quiet sword of annular, under the condition of the same thickness of quiet sword, its annular closing force that forms makes its holistic intensity stronger for the quiet sword of opening design.
Description
Technical Field
The utility model relates to a hair cutting device, in particular to a shaver head and a blade component thereof.
Background
A blade set, a hair cutting appliance and an associated method of manufacture are disclosed in the patent application No. 201510185524.7. In particular, the blade set comprises a stationary blade and a movable blade, wherein the movable blade can be driven in a reciprocating manner with respect to the stationary blade for cutting hair. The fixed blade comprises an upper fixed blade and a lower fixed blade, a slot is formed between the two fixed blades, and the movable blade is inserted into the slot and driven by a driving mechanism to reciprocate along the slot to form shearing with the fixed blade. In order to achieve a better cutting effect by cutting shorter hairs, a supporting structure (a fixed blade seat) used in cooperation with a fixed blade needs to be arranged to increase the strength of the fixed blade, so that the phenomenon that the moving blade shakes or jumps when the moving blade is used due to the fact that the fixed blade bends and deforms in the direction perpendicular to the moving direction of the moving blade is avoided. In contrast, the fixed blade is formed in an unclosed sheet structure, and the support structure is used for sealing the opening of the sheet structure and enhancing the strength of the fixed blade. Thus arranged, a mounting space is formed between the fixed blade and the supporting structure, and the movable blade is arranged in the mounting space in a reciprocating manner. Due to the high precision required by the razor in cutting, the requirements on the fit of the various elements in the razor blade set are high, and even if the precision required is a few tenths of a millimeter worse, the hair may not be cut and may be pulled or jump. The die opening cost and the difficulty of the manufacturing process are multiplied for each added element.
Therefore, how to solve the problems of strength, shearing effect and manufacturing process of the shaver at the same time is a problem to be solved urgently by those skilled in the art.
SUMMERY OF THE UTILITY MODEL
In view of this, the utility model aims to solve the technical problem how to solve the problem between the intensity, the shearing effect, the manufacturing process of razor simultaneously, for this reason, the utility model provides a razor blade subassembly and have razor tool bit of this razor blade subassembly of razor.
In order to achieve the above object, the utility model provides a following technical scheme:
a blade component of a shaver comprises an annular closed static knife and a movable knife which relatively reciprocates with the annular closed static knife, wherein the annular closed static knife surrounds to form a hollow closed ring, the movable knife is positioned in the closed ring, the annular closed static knife is provided with a first movable knife supporting surface and a second movable knife supporting surface which are oppositely arranged, the annular closed static knife is provided with at least one shearing edge which is connected with the first movable knife supporting surface and the second movable knife supporting surface, and the shearing edge forms static knife teeth; move the sword and set up first sword tooth portion, first move sword tooth portion can with the second moves the laminating of sword holding surface, adjacent two form static sword cut-off between the quiet sword tooth, static sword cut-off is expanded outward towards the end of quiet sword tooth by the root of quiet sword tooth.
The utility model discloses in one of them embodiment, move the sword and include elastic connecting portion and two first connecting walls, wherein, first move sword tooth portion and set up at least one, the top shore of elastic connecting portion first move the sword holding surface, first connecting wall by the both ends orientation of elastic connecting portion cut the edge extension, every the end of first connecting wall compresses tightly the second moves the sword holding surface, first move the sword tooth portion and form at least one of them first connecting wall and with it is corresponding to cut the edge, first move sword tooth portion and compress tightly the second moves the sword holding surface.
In one embodiment of the present invention, the cross section of the elastic connecting portion in the moving direction of the knife is arc-shaped, the two ends of the elastic connecting portion are pressed against the supporting surface of the second moving knife, and the first connecting wall is horizontally extended from the two ends of the elastic connecting portion.
In one embodiment of the present invention, the two ends of the elastic connecting portion are supported by the first movable blade supporting surface, and the first connecting wall is inclined and extended toward the second movable blade supporting surface toward the two ends of the elastic connecting portion.
In one embodiment of the present invention, the cross section of the elastic connecting portion in the moving direction of the knife is arc-shaped, the middle portion of the elastic connecting portion faces the arc-shaped protrusion of the knife supporting surface of the second moving knife and contacts with the top support of the knife supporting surface of the second moving knife.
The utility model discloses in one of them embodiment, move the sword and be similar "M" shape in the cross-section that moves the sword moving direction perpendicularly, the elastic connecting portion moves the cross-section that the sword moving direction was perpendicularly and is "V" shape, the middle part orientation of elastic connecting portion move the sword holding surface protrusion and with the second move sword holding surface shore contact.
In one embodiment of the present invention, the annular closed stationary knife has a second connecting wall, the second moving knife supporting surface is located on the second connecting wall, the second connecting wall is formed at a position corresponding to the elastic connecting portion and forms an arc-shaped wall matched with the elastic connecting portion.
In one embodiment of the present invention, the second movable blade support surface is provided with a mesh knife at a position where the middle portion of the elastic connection portion contacts, and the middle portion of the elastic connection portion is provided with a second movable blade tooth portion cooperating with the mesh knife.
The utility model discloses in one of them embodiment, first move the sword holding surface or the second moves the sword holding surface and sets up indent or convex guide structure, move the sword and set up the guide that is used for of protrusion or indent move the limit structure that the sword removed, limit structure with guide structure cooperatees.
The utility model discloses in one of them embodiment, quiet sword tooth has a plurality of lateral surfaces and connects the terminal surface of each lateral surface, and the smooth transitional coupling of equal arc between the adjacent lateral surface of quiet sword tooth, between each lateral surface and the terminal surface.
In one embodiment of the present invention, the blade assembly further includes an elastic pressing structure disposed in the closed ring, the elastic pressing structure is supported between the annular closed stationary knife and the movable knife and causes the first movable knife tooth portion to abut against the second movable knife supporting surface; the elastic pressing structure comprises a pressing sheet body, two elastic pressing sheets formed by extending the pressing sheet body, the tail ends of the elastic pressing sheets are pressed to move the knife, the top of the pressing sheet body props against the first moving knife supporting face of the annular closed static knife, the elastic pressing sheets are arranged at intervals, and the elastic pressing sheets are driven by the pressing sheet body to shear the edge to be obliquely arranged so that the elastic pressing sheets can accumulate elastic force for propping the moving knife.
The utility model also discloses a razor tool bit, include as above-mentioned arbitrary blade subassembly, the interlock move the adapting unit of sword motion in the blade subassembly.
In one embodiment of the present invention, the connecting member includes a connecting seat, the connecting seat is provided with a connecting hole or a protruding leg, and the movable blade is provided with a connecting structure matched with the connecting hole or the protruding leg.
According to the above technical solution, the blade assembly of the present invention has the annular closed stationary knife, and under the condition of the same thickness of the stationary knife, the annular closing force formed by the annular closed stationary knife makes the overall strength of the stationary knife stronger than that of the stationary knife with an opening design, and the elastic moving knife is arranged to be matched with the annular closed stationary knife, so that after the moving knife is assembled to the stationary knife, the elastic potential energy generated by the transverse and longitudinal deformation of the moving knife can be used for positioning the moving knife relative to the stationary knife, and the design of the moving knife structure can form a certain support for the upper and lower walls of the stationary knife, thereby enhancing the strength of the stationary knife; that is, compared with the conventional blade assembly, the blade assembly provided by the utility model has the advantages of simpler structural design, simpler assembly process and lower manufacturing cost; the movable knife is in close seamless connection with the annular closed stationary knife due to the structural arrangement of the movable knife, so that a better cutting effect is realized; in addition, the structure change of the arc-shaped protrusion of the movable knife reduces the contact area under the condition of ensuring seamless connection between the movable knife and the annular closed static knife, thereby reducing the friction between the movable knife and the static knife, and the shaver has low temperature rise, small current and longer service life in the working process.
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, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic perspective view of a razor head according to an embodiment of the present invention;
FIG. 2 is a schematic top view of a razor head according to an embodiment of the present invention;
FIG. 3 is a schematic side view of a razor head according to an embodiment of the present invention;
FIG. 4 is a schematic diagram illustrating an exploded view of a razor head according to an embodiment of the present invention;
FIG. 5 is a schematic perspective view of another razor head according to an embodiment of the present invention;
FIG. 6 is a schematic side view of another razor head according to an embodiment of the present invention;
FIG. 7 is a schematic view of an exploded view of another razor head according to an embodiment of the present invention;
FIG. 8 is an enlarged view of a portion of FIG. 1 at A;
FIG. 9 is an enlarged view of a portion of FIG. 2 at B;
in the figure, 1 is a blade component, 2 is a connecting component, 3 is an annular closed static knife, 4 is a movable knife, and 5 is an elastic pressing structure;
21 is a connecting seat, 22 is a connecting head, 31 is a first moving blade supporting surface, 32 is a second moving blade supporting surface, 33 is a closed ring, 34 is a shearing edge, 35 is a static blade tooth, 36 is a static blade shearing opening, 37 is a second connecting wall, 38 is a third connecting wall, 41 is a first moving blade tooth part, 42 is an elastic connecting part, 43 is a first connecting wall, 44 is a limiting structure, 45 is a flexible connecting pin, 51 is a pressing sheet body, and 52 is an elastic pressing sheet;
211 is a connecting hole, 212 is a limit connecting groove, 321 is a guide structure, 331 is a mesh knife, 351 is a root, 352 is a tail end, 371 is an arc-shaped wall, 381 is a guide limiting piece, 382 is a connecting hole, 383 is a guide side wall, 421 is a second movable knife tooth part, 451 is a convex buckle.
Detailed Description
The core of the utility model is to provide a razor blade component and razor head with the same to solve the problem between the strength, shearing effect, manufacturing process of razor simultaneously.
The embodiments described below do not limit the scope of the invention described in the claims. Further, the entire contents of the configurations shown in the following embodiments are not limited to those necessary as a solution of the invention described in the claims.
Referring to fig. 1 to 9, in order to implement the present invention, a blade assembly 1 of a shaver includes an annular closed stationary blade 3, a movable blade 4 reciprocating relatively to the annular closed stationary blade 3, the annular closed stationary blade 3 surrounds a hollow closed ring 33, the movable blade 4 is located in the closed ring 33, the annular closed stationary blade 3 has a first movable blade supporting surface 31 and a second movable blade supporting surface 32 which are oppositely disposed, the annular closed stationary blade 3 has at least one shearing edge 34 connecting the first movable blade supporting surface 31 and the second movable blade supporting surface 32, the shearing edge 34 forms a stationary blade tooth 35, the movable blade 4 is provided with a first movable blade tooth portion 41, and the first movable blade tooth portion 41 can be attached to the second movable blade supporting surface 32.
As shown in fig. 8, a static cutter cutting opening 36 is formed between two adjacent static cutter teeth 35, and the static cutter cutting opening 36 is flared from the root 351 of the static cutter tooth 35 toward the tip 352 of the static cutter tooth 35. Preferably, the cutting opening of the static knife is in a V shape or a U shape with an outward opening. After the arrangement, hairs can enter the cutting opening 36 of the static knife more conveniently to be cut, and the phenomenon of tooth clamping is not easy to occur.
Specifically, the movable blade 4 includes an elastic connecting portion 42 and two first connecting walls 43, at least one first movable blade tooth portion 41 is provided, the top of the elastic connecting portion 42 supports the first movable blade supporting surface 31, the first connecting walls 43 extend from two ends of the elastic connecting portion 42 toward the shearing edge 34, the tail end of each first connecting wall 43 presses the second movable blade supporting surface 32, the first movable blade tooth portion 41 is formed on at least one of the first connecting walls 43 and corresponds to the shearing edge 34, and the first movable blade tooth portion 41 presses the second movable blade supporting surface 32.
The two ends of the elastic connecting portion 42 support the first movable blade supporting surface 31, and the first connecting wall 43 extends from the two ends of the elastic connecting portion 42 toward the second movable blade supporting surface 32.
Preferably, the section of the elastic connecting portion 42 perpendicular to the moving direction of the moving blade is arc-shaped, and the middle portion of the elastic connecting portion 42 protrudes towards the arc-shaped second moving blade supporting surface 32 and contacts with the second moving blade supporting surface 32.
Preferably, the section of the movable blade 4 perpendicular to the moving direction of the movable blade 4 is shaped like an "M", the section of the elastic connecting portion 42 perpendicular to the moving direction of the movable blade is shaped like a "V", and the middle portion of the elastic connecting portion 42 protrudes toward the second movable blade supporting surface 32 and is in abutting contact with the second movable blade supporting surface 32.
Preferably, the annular closed stationary blade 3 has a second connecting wall 37, the second movable blade supporting surface 32 is located on the second connecting wall 37, and the second connecting wall 37 forms an arc-shaped wall corresponding to the elastic connecting portion 42 and matching with the elastic connecting portion 42 at a position corresponding to the elastic connecting portion 42.
Preferably, the second movable blade supporting surface 32 is provided with a mesh knife 331 at a position contacting with a middle portion of the elastic connecting portion 42, and the middle portion of the elastic connecting portion 42 is provided with a second movable blade tooth portion 421 cooperating with the mesh knife 331.
In order to achieve a better shearing effect and reduce the shaking and jumping of the moving blade of the shaver during the working process, the moving blade 4 is provided with a convex or concave limiting structure 44 for guiding the moving blade 4 to move, and the first moving blade supporting surface 31 or the second moving blade supporting surface 32 is provided with a concave or convex guiding structure 321 at a position corresponding to the limiting structure 44. A stopper 44 is formed at the junction of the elastic connection portion 42 and the first connection wall 43. In the present embodiment, the guide structure 321 is formed on the second movable blade supporting surface 32. The static cutter tooth 35 is provided with a plurality of outer side faces 351 and end faces 352 connecting the outer side faces 351, and the adjacent outer side faces 351 of the static cutter tooth 35 and the outer side faces 351 and the end faces 352 are in arc-shaped smooth transition connection. By the design, the overall skin-close touch feeling can be improved during shaving, and skin cutting caused by improper operation can be avoided. That is, the smooth transition of the surface of the static cutter tooth 35 contacting with the skin of the human body is rounded. Therefore, the stationary blade teeth 35 can also be designed as shown in fig. 9: the top surface of the static cutter tooth 35 is in arc transition to the tail end of the static cutter tooth 35, and the bottom surface of the static cutter tooth 35 is in arc transition to the tail end of the static cutter tooth 35.
The structure of the movable knife 4 can be designed as follows: the section of the elastic connecting portion 42 in the direction perpendicular to the moving direction of the moving blade 4 is arc-shaped, two ends of the elastic connecting portion 42 press the second moving blade supporting surface 32, and the first connecting wall 43 extends horizontally from two ends of the elastic connecting portion 42 respectively. After the arrangement, the movable knife 4 can have deformation force in the horizontal direction and the vertical direction, and the movable knife 4 can be tightly supported in the annular closed stationary knife 3.
In another embodiment of the present invention, the blade assembly 1 further includes an elastic pressing structure 5 disposed in the closed ring, the elastic pressing structure 5 is supported between the annular closed stationary knife 3 and the movable knife 4 and makes the first movable knife tooth portion 41 close to the second movable knife supporting surface 32. The elastic pressing structure 5 comprises a pressing sheet body 51 and two elastic pressing sheets 52 formed by extending the pressing sheet body 51, and the movable knife 4 is pressed by the tail ends of the elastic pressing sheets 52. The first movable blade supporting surface 31 of the annular closed stationary blade 3 is supported by the top of the pressing sheet body 51, the elastic pressing sheets 52 are arranged at intervals, and the elastic pressing sheets 52 are obliquely arranged towards the shearing edge 34 from the pressing sheet body 51 to enable the elastic pressing sheets 52 to accumulate elastic force for supporting the movable blades 4.
The section of the elastic pressing structure 5 in the embodiment perpendicular to the moving direction of the movable blade 4 is similar to a trapezoid, and in addition, in the specific implementation, the elastic pressing structure can be arranged to be similar to an "M" shape, an arc shape, an arch shape or an inverted "V" shape. The elastic pressing structures 5 arranged in the way have transverse and longitudinal deformation forces and generate corresponding elastic potential energy to complete the positioning of the movable knife 4 relative to the annular closed stationary knife 3.
The annular closed stationary knife 3 has a third connecting wall 38 disposed opposite the second connecting wall 37. The third connecting wall 38 is provided with a guide limiting part 381 for guiding the connecting seat 21 to move, the third connecting wall 38 is provided with a connecting hole 382 in a penetrating manner, the connecting seat 21 extends into the closed ring from the connecting hole 382, presses the movable blade 4 tightly and drives the movable blade 4 to move in a reciprocating manner, a guide groove is defined between the guide limiting parts 381, and the connecting seat 21 extends into the guide groove to move along the guide groove. Specifically, the connection hole 382 has two oppositely disposed guide side walls 383, the guide limit piece 381 is formed on the guide side walls 383, and the guide limit piece 381 extends toward the second connection wall 37. In this embodiment, four guiding position-limiting members 381 are provided, and the guiding position-limiting members 381 are arranged in a staggered manner along the moving direction of the moving blade 4. Of course, the guide stoppers 381 may be disposed opposite to each other.
Through the above description of the embodiments of the present invention, it can be known that the stationary knife is provided as an integrated closed ring, so that the overall strength of the annular closed stationary knife 3 is increased, and the stationary knife is an open knot compared with the prior art
The annular closed stationary blade 3 is stronger overall in design, and the shaving razor is usually required to be able to cut and modify shorter-sized hairs for achieving a more perfect shaving effect when in use, which requires that the surface of the stationary blade contacting the skin be sufficiently thin, as is well known to those skilled in the art. However, in the existing open type static knife design, if the static knife is designed to be too thin, the strength required by matching with the movable knife cannot be ensured; in order to overcome the above-mentioned drawback, a corresponding fixed blade supporting structure is required to increase the strength of the fixed blade, and the increase of components will increase the number of components, the assembly difficulty, the process steps and the cost of the shaver. The utility model is provided with the annular closed static knife, and the formed annular closing force makes the whole strength stronger than that of the static knife with the opening design under the condition that the static knife has the same thickness; the elastic pressing structure 5 is matched with the elastic pressing structure, the movable knife is assembled behind the static knife, namely the elastic potential energy generated by transverse and longitudinal deformation force of the elastic pressing structure 5 can be utilized to complete the positioning of the movable knife relative to the static knife, and the elastic pressing structure of the movable knife can form a certain support for the upper wall and the lower wall of the static knife, so that the strength of the static knife is enhanced when the movable knife 4 is positioned, and no extra supporting part needs to be arranged. Therefore, the utility model provides a blade subassembly, it is simpler, the assembly process is simplified more, manufacturing cost is lower for traditional blade subassembly, structural design.
It should be noted that the above-mentioned transverse direction and longitudinal direction are perpendicular to the moving direction of the moving blade mentioned later, and two directions are perpendicular to each other. Taking the moving blade 4 as a reference example, the transverse direction is the width direction of the moving blade, the longitudinal direction is the thickness direction of the moving blade, and the moving direction of the moving blade specifically refers to the moving direction in the shearing process. In the embodiment of the present invention, the moving direction of the moving blade coincides with the length direction of the moving blade, please refer to the coordinate system in the figure, oz is vertical, oy is horizontal, ox is the moving direction of the moving blade. The foregoing is for convenience of understanding only and is not intended to be limiting in nature.
Referring to fig. 1 to 9, the present invention also discloses a razor head comprising a blade assembly 1 and a connecting member 2, the connecting member 2 being connected to a driving source, which may be a motor (not shown in the drawings provided by the present invention),
specifically, the connecting member 2 includes a connecting seat 21 and a connecting head 22. The connecting head 22 and the connecting base 21 may be detachably connected (e.g. in the form of a fastener, a snap, a plug with a tight fit, etc.), or may be integrally formed (e.g. welded, injection molded, cast molded, etc.). The connector 22 is connected with the power output end of the driving source, and the connecting seat 21 is connected with the movable knife 4. The connecting seat 21 and the movable blade 4 can be made into an integral structure. Of course, the movable blade 4 and the annular closed stationary blade 3 can be assembled first and then connected in a welding manner, in addition, a connecting hole can be optionally formed in the movable blade 4, and the bottom of the connecting seat 21 extends into the connecting hole to link the movable blade 4.
The connecting seat 21 is provided with a connecting hole or a convex foot, and the moving blade 4 is provided with a connecting structure matched with the connecting hole or the convex foot. The connection mode between the connecting seat 21 and the movable blade 4 in this embodiment will be described in detail below: in this embodiment, the connecting seat 21 is provided with a connecting hole 211, and the movable blade 4 is provided with a flexible connecting pin 45 as a connecting structure. The connecting hole 211 penetrates through the connecting seat 21 in the thickness direction, the connecting structure is a flexible connecting pin 45 formed on the movable blade 4, and the flexible connecting pin 45 can elastically press one side surface of the connecting hole 211. The connecting base 21 is further provided with a limiting connecting groove 212, the limiting connecting groove 212 is communicated with the connecting hole 211 and is formed by opening the connecting hole 211 along the radial direction, and the flexible limiting pin 45 is provided with a convex buckle 451 which can extend into the limiting connecting groove 212.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (13)
1. The blade component of the shaver is characterized by comprising an annular closed static knife and a movable knife which moves in a reciprocating manner relative to the annular closed static knife, wherein the annular closed static knife surrounds to form a hollow closed ring, the movable knife is positioned in the closed ring, the annular closed static knife is provided with a first movable knife supporting surface and a second movable knife supporting surface which are arranged oppositely, the annular closed static knife is provided with at least one shearing edge which is connected with the first movable knife supporting surface and the second movable knife supporting surface, and the shearing edge forms static knife teeth; move the sword and set up first sword tooth portion, first move sword tooth portion can with the second moves the laminating of sword holding surface, adjacent two form static sword cut-off between the quiet sword tooth, static sword cut-off is expanded outward towards the end of quiet sword tooth by the root of quiet sword tooth.
2. The razor blade assembly of claim 1, wherein the movable blade includes at least one elastic connecting portion and two first connecting walls, wherein the first movable blade tooth portion is disposed, the top of the elastic connecting portion supports the first movable blade supporting surface, the first connecting walls extend from two ends of the elastic connecting portion toward the cutting edge, the distal end of each first connecting wall presses the second movable blade supporting surface, the first movable blade tooth portion is formed on at least one of the first connecting walls and corresponds to the cutting edge, and the first movable blade tooth portion presses the second movable blade supporting surface.
3. The razor blade unit according to claim 2, wherein the resilient connecting portion has an arc-shaped cross-section perpendicular to the moving direction of the movable blade, both ends of the resilient connecting portion press against the second movable blade support surface, and the first connecting wall extends horizontally from both ends of the resilient connecting portion, respectively.
4. The blade assembly of claim 2, wherein the first movable blade support surface is supported at both ends of the elastic connecting portion, and the first connecting wall extends obliquely from both ends of the elastic connecting portion toward the second movable blade support surface, respectively.
5. The razor blade assembly of claim 2, wherein the resilient connecting portion is arcuate in cross-section perpendicular to the moving direction of the movable blade, and a middle portion of the resilient connecting portion is arcuate in projection toward the second movable blade support surface and in abutting contact with the second movable blade support surface.
6. The razor blade assembly of claim 2, wherein the movable blade has a cross-section in a direction perpendicular to the direction of movement of the movable blade that is substantially "M" shaped, the resilient connecting portion has a cross-section in a direction perpendicular to the direction of movement of the movable blade that is substantially "V" shaped, and a middle portion of the resilient connecting portion protrudes toward the second movable blade support surface and is in abutting contact with the second movable blade support surface.
7. The razor blade unit according to claim 2, wherein the annular closed stationary blade has a second connecting wall, the second movable blade support surface being located at the second connecting wall, the second connecting wall forming an arcuate wall cooperating with the resilient connecting portion at a position corresponding to the resilient connecting portion.
8. The blade assembly of claim 2, 3 or 4, wherein the second movable blade supporting surface is provided with a mesh cutter at a position contacting with a middle portion of the elastic connecting portion, and the middle portion of the elastic connecting portion is provided with a second movable blade tooth portion engaged with the mesh cutter.
9. The razor blade assembly of claim 1, wherein the first or second movable blade support surface is provided with a concave or convex guide structure, the movable blade is provided with a convex or concave limit structure for guiding the movable blade to move, and the limit structure is matched with the guide structure.
10. The razor blade unit according to claim 1, wherein the static teeth have a plurality of outer flanks and end faces connecting the outer flanks, and wherein the smooth transition between adjacent outer flanks, and between each outer flank and the end face, of the static teeth is arcuate.
11. The razor blade assembly of claim 1, further comprising a resilient hold-down structure disposed within the closed ring, the resilient hold-down structure being supported between the annular closed stationary blade and the movable blade and urging the first movable blade teeth against the second movable blade support surface; the elastic pressing structure comprises a pressing sheet body, two elastic pressing sheets formed by extending the pressing sheet body, the tail ends of the elastic pressing sheets are pressed to move the knife, the top of the pressing sheet body props against the first moving knife supporting face of the annular closed static knife, the elastic pressing sheets are arranged at intervals, and the elastic pressing sheets are driven by the pressing sheet body to shear the edge to be obliquely arranged so that the elastic pressing sheets can accumulate elastic force for propping the moving knife.
12. A razor head comprising the blade unit according to any one of claims 1 to 11, and a connecting member for moving the movable blade of the blade unit.
13. The razor cartridge of claim 12, wherein the coupling member comprises a coupling seat having a coupling hole or a protrusion, and the movable blade has a coupling structure for engaging the coupling hole or the protrusion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921020507.8U CN210452834U (en) | 2019-07-02 | 2019-07-02 | Razor blade assembly and razor head with same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921020507.8U CN210452834U (en) | 2019-07-02 | 2019-07-02 | Razor blade assembly and razor head with same |
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| Publication Number | Publication Date |
|---|---|
| CN210452834U true CN210452834U (en) | 2020-05-05 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921020507.8U Active CN210452834U (en) | 2019-07-02 | 2019-07-02 | Razor blade assembly and razor head with same |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110154093A (en) * | 2019-07-02 | 2019-08-23 | 元海医疗科技有限公司 | The blade assembly of shave and shave cutter head with the blade assembly |
| CN111660326A (en) * | 2020-06-05 | 2020-09-15 | 浙江海顺电工有限公司 | Blade assembly |
-
2019
- 2019-07-02 CN CN201921020507.8U patent/CN210452834U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110154093A (en) * | 2019-07-02 | 2019-08-23 | 元海医疗科技有限公司 | The blade assembly of shave and shave cutter head with the blade assembly |
| CN111660326A (en) * | 2020-06-05 | 2020-09-15 | 浙江海顺电工有限公司 | Blade assembly |
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