CN210173630U - Annular closed static cutter of shaver and blade set thereof - Google Patents
Annular closed static cutter of shaver and blade set thereof Download PDFInfo
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- CN210173630U CN210173630U CN201921020530.7U CN201921020530U CN210173630U CN 210173630 U CN210173630 U CN 210173630U CN 201921020530 U CN201921020530 U CN 201921020530U CN 210173630 U CN210173630 U CN 210173630U
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Abstract
The utility model provides a closed quiet sword of annular of razor and blade group thereof, closed quiet sword of annular is around forming hollow closed ring, the closed quiet sword of annular has the first sword holding surface of moving that sets up relatively and moves the sword holding surface with the second, and closed quiet sword of annular has at least one and connects the first edge of cuting that moves the sword holding surface and move the sword holding surface with the second, it forms quiet sword tooth to cut the edge, forms quiet sword shearing mouth between two adjacent quiet sword teeth, and quiet sword shearing mouth is expanded towards quiet sword tooth end by the root of quiet sword tooth. Annular closed quiet sword, the quiet sword that prior art set up relatively, under the condition of same thickness, its annular closing force that forms makes its holistic intensity stronger for the quiet sword of opening design, the structure of quiet sword is more stable, need not additionally to set up the intensity that other bearing structure strengthened quiet sword, has reduced the manufacturing cost of whole razor, the controllability is high.
Description
Technical Field
The present invention relates to a hair cutting device, and more particularly to an annular closed stationary blade for a hair razor and a blade assembly 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 cut shorter hair to achieve a better cutting effect, a supporting structure (a fixed blade seat) matched 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 technical problem to be solved by the present invention is how to solve the problems between the strength, the shearing effect, and the manufacturing process of the shaver at the same time, and for this purpose, the present invention provides an annular closed stationary knife of the shaver and a blade set thereof.
In order to achieve the above object, the utility model provides a following technical scheme:
the annular closed static cutter of the shaver is characterized in that the annular closed static cutter surrounds to form a hollow closed ring, the annular closed static cutter is provided with a first movable cutter supporting surface and a second movable cutter supporting surface which are arranged oppositely, the annular closed static cutter is provided with at least one shearing edge which is connected with the first movable cutter supporting surface and the second movable cutter supporting surface, the shearing edge forms static cutter teeth, a static cutter shearing opening is formed between every two adjacent static cutter teeth, and the root parts of the static cutter teeth face the tail end of the static cutter teeth to be expanded.
In one embodiment of the present invention, the cutting opening of the stationary knife is "V" shaped or "U" shaped with an outward-expanding opening.
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, the smooth transitional coupling of equal arc between the adjacent lateral surface of quiet sword tooth, between each lateral surface and the terminal surface.
The utility model also discloses a blade group, include as above-mentioned arbitrary annular closed quiet sword, be provided with the sword that moves of the closed quiet sword of relative annular removal in the closed ring, move the sword and include elastic connection portion, two first connecting walls, at least one move sword tooth portion, two first connecting walls respectively by elastic connection portion's both ends extend, move sword tooth portion and form at least one of them first connecting wall, move the edge formation of sword tooth portion and move the sword tooth, elastic connection portion makes the razor move the sword and can be vertically and transversely flexible, move sword tooth portion with the second moves the sword holding surface near the contact.
In one embodiment of the present invention, the first connecting wall is formed by the two ends of the elastic connecting portion facing the second movable blade supporting surface.
In one embodiment of the present invention, the first connecting wall extends horizontally from the two ends of the elastic connecting portion toward the direction away from the elastic connecting portion.
The utility model discloses in one of them embodiment, move the limit structure that the sword set up protrusion or indent be used for the guide to move the sword removal, first move the sword holding surface or the second move the sword holding surface with the position department that limit structure corresponds sets up indent or convex guide structure.
In one embodiment of the present invention, the cross section of the elastic connecting portion in the moving direction of the movable knife is arc-shaped, the middle portion of the elastic connecting portion faces the second movable knife supporting surface protruding and the second movable knife supporting surface propping 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.
According to the technical scheme, compared with the static knife arranged in the prior art, the annular closed static knife has the advantages that the overall strength is stronger than that of the static knife designed by an opening due to the annular closing force formed by the annular closed static knife under the condition of the same thickness, the structure of the static knife is more stable, other supporting structures are not required to be additionally arranged to strengthen the strength of the static knife, the production cost of the whole shaver is reduced, and the controllability is high; the movable razor blade of the blade set is provided with the elastic connecting part with transverse and longitudinal deformation force, so that the movable razor blade can stretch out and draw back longitudinally and transversely; the blade group is provided with the elastic movable blade which is matched with the annular closed static blade, after the movable blade is assembled on the static blade, the positioning of the movable blade relative to the static blade can be completed by utilizing elastic potential energy generated by transverse and longitudinal deformation forces of the movable blade, and the design of the movable blade structure can form a certain support for the upper wall and the lower wall of the static blade, so that the strength of the static blade is enhanced; compared with the traditional blade assembly, the blade set provided by the utility model has 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 blade set according to an embodiment of the present invention;
FIG. 2 is a view of a razor blade unit according to an embodiment of the present invention after it has been assembled into a razor head;
FIG. 3 is an exploded view of FIG. 2;
FIG. 4 is a side view of FIG. 2;
fig. 5 is a schematic perspective view of another blade set according to an embodiment of the present invention;
fig. 6 is an enlarged schematic view of a stationary blade tooth according to an embodiment of the present invention;
FIG. 7 is an enlarged view of portion A of FIG. 2;
in the figure, 1 is a movable knife, 2 is an annular closed stationary knife, and 3 is a connecting component;
11 is an elastic connecting part, 12 is a first connecting wall, 13 is a moving blade tooth part, 14 is a second moving blade tooth part, 15 is a flexible connecting pin, 15 is a limiting structure, 20 is a closed ring, 21 is a first moving blade supporting surface, 22 is a second moving blade supporting surface, 23 is a shearing edge, 24 is a static blade tooth, 25 is a static blade shearing opening, 26 is a second connecting wall, 27 is a guiding structure, 31 is a connecting seat, 32 is a connecting head, 131 is a moving blade tooth, 151 is a convex buckle, 221 is a mesh cutter, 241 is an outer side surface, 242 is an end surface, 311 is a connecting hole, and 312 is a connecting groove.
Detailed Description
The core of the utility model is to provide an annular closed static cutter of a shaver and a blade group thereof, so as to solve the problems of the strength, the shearing effect and the manufacturing process of the shaver at the same time.
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 7, in the annular closed stationary blade 2 of the shaver disclosed in the embodiment of the present invention, the annular closed stationary blade 2 surrounds the hollow closed ring 20, the annular closed stationary blade 2 has the first movable blade supporting surface 21 and the second movable blade supporting surface 22 which are oppositely disposed, the annular closed stationary blade 2 has at least one cutting edge 23 connecting the first movable blade supporting surface 21 and the second movable blade supporting surface 22, the cutting edge 22 forms a stationary blade tooth 24, a stationary blade cutting opening 25 is formed between two adjacent stationary blade teeth, and the stationary blade cutting opening 25 is extended from the root of the stationary blade tooth to the end of the stationary blade tooth.
The utility model discloses blade group sets up annular closed quiet sword 2, compares with prior art, under the condition of the same thickness of quiet sword, the utility model discloses the annular closure force that well annular closed quiet sword 2 formed makes the holistic intensity of quiet sword stronger for the quiet sword of opening design.
As shown in fig. 6, a static cutter cutting opening 25 is formed between two adjacent static cutter teeth 24, and the static cutter cutting opening 25 is flared from the root of the static cutter tooth 24 toward the tip of the static cutter tooth 24. Preferably, the stationary knife cutting opening 25 is "V" shaped or "U" shaped with an opening that is flared. After the arrangement, hairs can enter the cutting opening 25 of the static knife more conveniently to be cut, and the phenomenon of tooth clamping is not easy to occur.
The fixed cutter tooth 24 is provided with a plurality of outer side faces 241 and end faces 242 connecting the outer side faces 241, and the adjacent outer side faces 241 of the fixed cutter tooth 24 and the outer side faces 241 and the end faces 241 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 24 contacting with the skin of the human body is rounded. Therefore, the stationary blade teeth 24 can also be designed as shown in fig. 7: the top surface of the static cutter tooth 24 is in arc transition to the tail end of the static cutter tooth 24, and the bottom surface of the static cutter tooth 24 is in arc transition to the tail end of the static cutter tooth 24.
Referring to fig. 1 to 5, the present invention further discloses a blade set including a movable blade 1 and an annular closed stationary blade 2, wherein the annular closed stationary blade 2 surrounds a closed ring 20 forming a hollow, the movable blade 1 is provided in the closed ring 20, the annular closed stationary blade 2 has a first movable blade supporting surface 21 and a second movable blade supporting surface 22 which are arranged oppositely, the annular closed stationary blade 2 has at least one shearing edge 23 connecting the first movable blade supporting surface 21 and the second movable blade supporting surface 22, and the shearing edge 23 forms a stationary blade tooth 24. The movable knife 1 comprises an elastic connecting portion 11, two first connecting walls 12 and at least one movable knife tooth portion 13, the two first connecting walls 12 extend from two ends of the elastic connecting portion 11 respectively, the movable knife tooth portion 13 is formed on at least one of the first connecting walls 12, movable knife teeth 131 are formed on the edge of the movable knife tooth portion 13, and the elastic connecting portion 11 has transverse and longitudinal deformation force to enable the movable knife 1 of the shaving knife to stretch longitudinally and transversely. The two ends of the elastic connecting part 11 support the first movable blade supporting surface 21, the first connecting wall 12 extends from the two ends of the elastic connecting part 11 towards the second movable blade supporting surface 22 in an inclined manner, the movable blade tooth part 13 corresponds to the shearing edge 23, and the movable blade tooth part 13 is in seamless fit with the second movable blade supporting surface 22. The utility model discloses a razor moves knife 1 and sets up elastic connection portion 11 that has horizontal and fore-and-aft deformation power and can make and move knife 1 vertically and transversely flexible, and such structure will move knife 1 and install after quiet sword, need not other auxiliary component and just can realize the seamless laminating connection of the two, and the effectual jump sword phenomenon of having avoided the razor to produce because of the shake when using, the structure is more stable, convenient equipment.
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 as a reference, 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.
As shown in fig. 1, the movable blade 1 is provided with a convex or concave limiting structure 16 for guiding the movable blade 1 to move in the closed ring 20. The first moving blade support surface 21 or the second moving blade support surface 22 is provided with a concave or convex guide structure 27 at a position corresponding to the limiting structure 16. In fig. 1, the limiting structure 16 is a guide rail, and the guiding structure 27 is a guide groove formed on the first moving-blade supporting surface 21.
As shown in fig. 2 to 5, the structure of the razor head formed by assembling the blade assembly of the present invention and a connecting member 3 is shown, specifically:
the razor head connects the connecting part 3 to a driving source, which may be a motor (not shown in the drawings provided by the present invention), when in use, the connecting part 3 comprising a connecting seat 31 and a connecting head 32. The connector 32 and the connector seat 31 may be detachably connected (e.g., in the form of a fastener, a snap, or a plug with a tight fit), or may be integrally formed (e.g., welded, injection molded, or cast). The connector 32 is connected with the power output end of the driving source, and the connecting seat 31 is connected with the movable knife 1. The connecting seat 31 can be made into an integral structure with the moving blade 1. Of course, the movable knife 1 and the annular closed stationary knife 2 can be assembled first and then connected in a welding mode, in addition, a connecting hole can be formed in the movable knife 1, and the bottom of the connecting seat 31 extends into the connecting hole to be linked with the movable knife 1. The movable blade 1 of the shaver is integrally formed by alloy or metal.
The annular closed stationary knife 2 is provided with a second connecting wall 26, the second movable knife supporting surface 22 is positioned on the second connecting wall 26, and the second connecting wall 26 forms an arc-shaped wall matched with the elastic connecting part 11 at a position corresponding to the elastic connecting part 11. The section of the elastic connecting part 11 in the direction perpendicular to the moving direction of the movable blade 1 is arc-shaped, and the middle part of the elastic connecting part 11 protrudes towards the second movable blade supporting surface 22 to be in shoring contact with the second movable blade supporting surface 22. The second moving blade support surface 22 is provided with a mesh knife 221 at a position contacting with the middle part of the elastic connecting part 11, and the middle part of the elastic connecting part 11 is provided with a second moving blade tooth part 14 matched with the mesh knife 221.
In this embodiment, the connecting seat 31 is provided with a connecting hole 311, and the movable blade 1 is provided with a flexible connecting pin 15 as a connecting structure. The connection hole 311 is penetratingly formed along a thickness direction of the connection holder 31, and the flexible connection pin 15 is inserted into the connection hole 311 and elastically presses one side surface of the connection hole 311.
Furthermore, the connecting seat 31 is further provided with a limiting connecting groove 32, the limiting connecting groove 312 is communicated with the connecting hole 311 and is formed by opening the connecting hole 311 along the radial direction thereof, and the flexible limiting pin 15 is provided with a convex buckle 151 capable of extending into the limiting connecting groove 312.
The structure of the moving blade 1 can be arranged as shown in the attached figure 6 besides the above forms: the first connecting walls 12 extend horizontally from both ends of the elastic connecting portion 11 toward a direction away from the elastic connecting portion 11, respectively. After the arrangement, the movable knife 1 can have deformation force in the horizontal direction and the vertical direction, and the movable knife 1 can be tightly supported in the annular closed stationary knife 2.
The movable knife 1 with elasticity is matched with the movable knife 1, after the movable knife 1 is assembled to the annular closed static knife 2, the movable knife 1 can be positioned relative to the annular closed static knife 2 by utilizing elastic potential energy generated by transverse and longitudinal deformation force of the movable knife, and due to the design of the movable knife structure, certain support can be formed on the upper wall and the lower wall of the annular closed static knife 2, so that the strength of the annular closed static knife 2 is enhanced; in the prior art, an auxiliary supporting structure is needed to ensure the strength of the static knife, so that compared with the traditional blade assembly, the blade set provided by the utility model has simpler structural design, simpler assembly process and lower manufacturing cost; the movable knife 1 is in close seamless connection with the annular closed stationary knife 2 due to the structural arrangement, so that a better cutting effect is realized; in addition, the arc-shaped protruding structure of the movable knife 1 is changed, so that the contact area of the movable knife 1 and the annular closed stationary knife 2 is reduced under the condition of ensuring seamless connection, the friction between the movable knife 2 and the annular closed stationary knife 2 is reduced, the temperature rise of the shaver in the working process is low, the current is small, and the service life is longer.
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 (10)
1. The annular closed static cutter of the shaver is characterized in that the annular closed static cutter surrounds to form a hollow closed ring, the annular closed static cutter is provided with a first movable cutter supporting surface and a second movable cutter supporting surface which are arranged oppositely, the annular closed static cutter is provided with at least one shearing edge which is connected with the first movable cutter supporting surface and the second movable cutter supporting surface, the shearing edge forms static cutter teeth, a static cutter shearing opening is formed between every two adjacent static cutter teeth, and the static cutter shearing opening is outwards expanded from the root parts of the static cutter teeth to the tail ends of the static cutter teeth.
2. The annular closed stationary blade for a shaving razor according to claim 1, wherein the cutting edge of the stationary blade is "V" shaped or "U" shaped with an opening that is flared.
3. The annular closed stationary knife of claim 1 or 2, wherein the stationary knife teeth have a plurality of outer side faces and end faces connecting the outer side faces, and the arcuate smooth transition connections are provided between adjacent outer side faces and between each outer side face and the end faces of the stationary knife teeth.
4. A blade set is characterized by comprising the annular closed static blade according to any one of claims 1 to 3, wherein a movable blade moving relative to the annular closed static blade is arranged in the closed ring, the movable blade comprises an elastic connecting part, two first connecting walls and at least one movable blade tooth part, the two first connecting walls respectively extend from two ends of the elastic connecting part, the movable blade tooth part is formed on at least one of the first connecting walls, movable blade teeth are formed on the edge of the movable blade tooth part, the elastic connecting part enables the movable blade of the shaving blade to stretch longitudinally and transversely, and the movable blade tooth part is in close contact with the second movable blade supporting surface.
5. The blade set according to claim 4 wherein the first connecting wall extends obliquely from both ends of the elastic connecting portion toward the second moving blade support surface, respectively.
6. The blade set as claimed in claim 4, wherein the first connecting wall extends horizontally from both ends of the elastic connecting portion toward a direction away from the elastic connecting portion, respectively.
7. The blade set according to claim 4, wherein the movable blade is provided with a convex or concave limiting structure for guiding the movable blade to move, and the first movable blade supporting surface or the second movable blade supporting surface is provided with a concave or convex guiding structure at a position corresponding to the limiting structure.
8. The blade set according to claim 6 wherein the resilient connecting portion is arcuate in cross-section perpendicular to the direction of movement of the movable blade, and the middle portion of the resilient connecting portion projects toward the second movable blade support surface to contact the second movable blade support surface.
9. The blade set according to claim 8 wherein the annular stationary knife has a second connecting wall, the second moving blade support surface being located on the second connecting wall, the second connecting wall forming an arcuate wall in cooperation with the flexible connecting portion at a location corresponding to the flexible connecting portion.
10. The blade set according to claim 9 wherein the second moving blade support surface is provided with a mesh blade at a position contacting a middle portion of the elastic connecting portion, the middle portion of the elastic connecting portion being provided with a second moving blade tooth portion cooperating with the mesh blade.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921020530.7U CN210173630U (en) | 2019-07-02 | 2019-07-02 | Annular closed static cutter of shaver and blade set thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921020530.7U CN210173630U (en) | 2019-07-02 | 2019-07-02 | Annular closed static cutter of shaver and blade set thereof |
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| Publication Number | Publication Date |
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| CN210173630U true CN210173630U (en) | 2020-03-24 |
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| CN201921020530.7U Active CN210173630U (en) | 2019-07-02 | 2019-07-02 | Annular closed static cutter of shaver and blade set thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111673800A (en) * | 2020-06-05 | 2020-09-18 | 浙江海顺电工有限公司 | Cutting assembly for a hair-clipping device |
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2019
- 2019-07-02 CN CN201921020530.7U patent/CN210173630U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111673800A (en) * | 2020-06-05 | 2020-09-18 | 浙江海顺电工有限公司 | Cutting assembly for a hair-clipping device |
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