CN210998852U

CN210998852U - Razor blade, razor head and razor shave

Info

Publication number: CN210998852U
Application number: CN201922047441.8U
Authority: CN
Inventors: 余永祥; 武善霞; 谭华玲
Original assignee: Zhuhai Technique Plastic Container Factory Co ltd
Current assignee: Zhuhai Technique Plastic Container Factory Co ltd
Priority date: 2019-11-22
Filing date: 2019-11-22
Publication date: 2020-07-14
Anticipated expiration: 2029-11-22

Abstract

The utility model provides a razor blade, razor head and razor shave. The razor blade comprises a base part, a bent part and a shaving part, wherein the base part is fixedly connected with a razor head; the curved portion is provided between the base portion and the shaving portion; at least one notch is formed in one side, away from the bending part, of the base part; the length of the gap accounts for 10% of the length of the base part; the length of the base part is not more than 40 mm. This razor blade promotes the toughness of blade through the improvement to blade structure itself, and not only laborsaving effectively strikes off the beard again for it is better to shave experience.

Description

Razor blade, razor head and razor shave

Technical Field

The utility model relates to a razor technical field especially relates to a razor blade, razor head and razor shave.

Background

A shaver is a common daily product.

A manual shaver is usually composed of a cutter head and a handle, wherein the cutter head is provided with a blade. During shaving, the blade is directly contacted with the skin, and the beard shaving work is finished by moving the cutter handle. In the prior art, in order to improve the shaving efficiency of a shaver, a technical means of adding a plurality of blades is adopted. However, as the number of blades is increased, the area occupied by the blades is increased or the distance between the cutting edges of the blades is decreased, resulting in an increase in shaving resistance. This makes the skin easily scratched by the shaver.

Therefore, the existing razor blade has the defects of insufficient toughness and small deformation, and the skin is easily scratched due to poor adhesion between the razor blade and the skin during use.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to overcome prior art's defect, provide a razor blade, razor head and razor for the toughness of the blade of razor is not enough among the solution prior art, and deformability is little in the use, thereby with the not good easy problem of scratch skin of skin laminating.

In order to solve the above problem, the utility model provides a: a razor blade comprises a base part, a bending part and a shaving part, wherein the base part is used for fixedly connecting a razor head;

the curved portion is provided between the base portion and the shaving portion;

at least one notch is formed in one side, away from the bending part, of the base part;

the length of the gap accounts for 10% of the length of the base part;

the length of the base part is not more than 40 mm.

As a further improvement of the above technical solution, the base portion, the curved portion, and the shaving portion are formed in an integrated structure.

As a further improvement of the above technical means, a length of the curved portion and a length of the shaving portion are both smaller than a length of the base portion.

As a further improvement of the technical scheme, the curvature radius of the bending part is between 1.5 and 3 mm.

As a further improvement of the above technical solution, the number of the notches is two.

The utility model discloses still provide: a razor head comprising a blade assembling portion and a razor blade as described above;

the blade assembling part is provided with an accommodating cavity for accommodating the shaver blade;

the accommodating cavity is internally provided with a plurality of shaving blades.

As a further improvement of the above technical solution, the blade assembling portion is provided with an insertion groove for mounting the razor blade.

As a further improvement of the technical scheme, the distance between the adjacent slots is 0.8 mm-1.2 mm.

As a further improvement of the above technical solution, an opening of the accommodating cavity is provided with a mounting cover;

the mounting cover is provided with a clamping groove which is clamped with the shaver blade.

The utility model discloses still provide: a shaver comprising a razor blade as described above.

The utility model has the advantages that: the utility model provides a razor blade, including basilar part, flexion and the portion of shaving, the flexion sets up in the basilar part and shaves between the portion. Due to the existence of the bending part, the force application direction is adapted to the shaving of the user; simultaneously, an at least breach that the basal portion set up is used for discharging shaving piece on the one hand, and on the other hand can provide the deformability for the blade possesses quick resilience ability after the pressurized deformation, improves the durability of blade, thereby makes the better laminating skin of blade. Therefore, the toughness of the razor blade is improved by improving the structure of the razor blade, so that the shaving experience is better due to the fact that the beard is effectively scraped with less labor.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.

Fig. 1 shows a schematic view of a razor blade;

fig. 2 shows a front view of a razor blade;

fig. 3 shows a top view of the razor blade of fig. 2;

fig. 4 shows a side view of the razor blade of fig. 2;

fig. 5 shows a schematic view of a shaving head;

fig. 6 shows a side cross-sectional view of a razor blade;

figure 7 shows a schematic view of a mounting cap.

Description of the main element symbols:

1-razor blades; 2-a base portion; 3-a bend; 4-a shaving section; 5-a plug-in arm; 6-notch; 7-a blade assembly section; 8-an accommodating cavity; 9-slot; 10-opening; 11-mounting a cover; 12-pressing block; 13-through hole.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", and the like, indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

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

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In the present application, unless expressly stated or limited otherwise, the first feature may be directly on or directly under the second feature or indirectly via intermediate members. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.

Example one

Referring to fig. 1 and 2, in the present embodiment, a razor blade 1 is provided, which includes a base portion 2, a bending portion 3 and a shaving portion 4, wherein the base portion 2 is used for fixedly connecting a shaving head.

Referring to fig. 3, the bending portion 3 is provided between the base portion 2 and the shaving portion 4.

In the present embodiment, the side of the base part 2 remote from the bending part 3 is provided with at least one notch 6.

Before shaving, the razor blade 1 is fixed to the razor head by the base portion 2. During shaving, the shaving section 4 is subjected to forces from the beard and the face, wherein the base section 2 can absorb a portion of the forces and deform at the indentation 6, thereby reducing the risk of the shaving blade 1 breaking due to the forces.

Referring to fig. 3, when shaving, the shaving portion 4 is acted upon by the skin to face upward, and at this time, the shaving portion 4 can be more closely attached to the skin due to the reaction force of the bending portion 3, so that a better shaving effect and more labor saving can be obtained.

The size of the razor blade 1 is small, and after relevant tests and analysis, when the curvature radius of the bending part 3 is 1.5-3 mm, the mechanical property and the shaving effect of the razor blade 1 are optimal.

For this reason, in the present embodiment, the curvature radius of the curved portion 3 may be set between 1.5 to 3mm, including 1.5mm and 3 mm.

Preferably, the radius of the bent portion 3 may be set to 2.08 mm.

In the present embodiment, the base portion 2, the bending portion 3, and the shaving portion 4 are formed integrally.

The razor blade 1 may be made of a stainless steel material, wherein the bent portion 3 may be obtained by bending or stamping, etc.

To increase the strength of the shaving section 4, the shaving section 4 may be subjected to a corresponding heat treatment. In order to improve the corrosion resistance of the shaving section 4, the shaving section 4 may be correspondingly surface-treated.

In the present embodiment, the length of the base portion 2 is not more than 40 mm. Meanwhile, the length of the base portion 2 is generally not less than 25mm for easy mounting.

The length of the bending portion 3 is equal to that of the shaving portion 4, and the length of the bending portion 3 and the length of the shaving portion 4 are both smaller than that of the base portion 2.

As shown in fig. 2, the base portion 2 includes a plug arm 5, and the base portion 2 is connected to the shaving head through the plug arm 5. Wherein, grafting arm 5 sets up two altogether, and symmetric distribution in the both sides of basilar part 2 length direction.

One side that the flexion 3 is kept away from to base portion 2 is provided with a plurality of breach 6. The number of the notches 6 can be set according to the requirement, such as one, two, three, four, five, etc.

In the present embodiment, the notches 6 may be provided in two and symmetrically arranged with respect to the axis of the base portion 2.

Due to the presence of the indentations 6, the base part 2 is able to deform to a certain extent when the base part 2 is subjected to an external force, thereby improving the mechanical properties of the razor blade 1.

The indentations 6 may be arranged in a rectangular shape, wherein the length of a single indentation 6 amounts to 8% to 12%, for example 10%, of the length of the base part 2.

The size of the gap 6 is adapted, the strength of the base part 2 is affected by the length of the gap 6 being too large, and the discharge of shaving debris is not facilitated by the length of the gap 6 being too small.

In other embodiments, the notch 6 can be configured to be semicircular, triangular, etc. as desired.

In fig. 4, a represents the length of the base portion 2, and B represents the length of the notch 6.

In this embodiment, a shaver is also proposed, comprising a shaving head and a razor blade 1 as described above. Wherein the razor blade 1 is mounted on a razor head.

To sum up, the utility model provides a razor blade 1, including base portion 2, flexion 3 and shaving portion 4, flexion 3 sets up between base portion 2 and shaving portion 4, and the radius of flexion 3 lies in between 1.5 ~ 3mm, application of force direction when adapting to the user and shaving from this; simultaneously, an at least breach 6 that base portion 2 set up is used for discharging shaving debris on the one hand, and on the other hand can provide the deformability for the blade possesses quick resilience ability after the pressurized deformation, improves the durability of blade, thereby makes the better laminating skin of blade. Therefore, the shaving blade 1 improves the toughness of the blade through the improvement of the blade structure, saves labor, effectively scrapes beard and enables shaving experience to be better.

Example two

In the present embodiment, a shaving head is proposed, which comprises a blade assembly portion 7 and the shaving blade 1 of the first embodiment.

As shown in fig. 5, the blade assembly portion 7 may be provided with a receiving cavity 8 for receiving the shaving blade 1 in order to mount the shaving blade 1. Wherein a plurality of razor blades 1 may be arranged in the receiving cavity 8.

For mounting the shaving blades 1, in the receiving chamber 8, slots 9 are provided for mounting the shaving blades 1, wherein the number of the slots 9 corresponds to the number of the shaving blades 1.

As shown in fig. 5 and 6, a plurality of slots 9 may be symmetrically disposed on both left and right sides of the receiving cavity 8. Wherein, the slots 9 on the same side are arranged at equal intervals.

In the accommodating chamber 8, two slots 9 arranged in bilateral symmetry may be considered as a group for mounting one and the same razor blade 1. When the razor is mounted, the insertion arms 5 on both sides of the razor blade 1 are inserted into the corresponding insertion slots 9.

In the present embodiment, the distance between the slots 9 adjacent to the same side is between 0.8mm and 1.2mm, including 0.8mm and 1.2 mm.

The spacing between the slots 9 determines the spacing between the shaving blades 1, wherein the greater the spacing between the slots 9, the less the requirements on the thickness of the shaving blades 1.

When the distance between the adjacent slots 9 is smaller than 0.8mm, only the razor blades 1 with the thickness smaller than 0.8mm can be mounted, but the razor blades 1 with the thickness have large processing difficulty and high cost.

When the distance between adjacent slots 9 is larger than 1.2mm, the distance between the razor blades 1 is larger, which increases the risk of scratching the skin.

Tests show that when the distance between the adjacent shaver blades 1 is 0.8 mm-1.2 mm, the shaving effect is good, and the skin is not easy to scratch; meanwhile, shaving debris can be hidden between the adjacent shaver blades 1 to a certain degree, and after shaving is finished, the shaving heads are slightly shaken or washed by water, so that the shaving heads can be cleaned.

Preferably, the interval between the adjacent slots 9 may be set to 1.06 mm.

The number of shaving blades 1 in the accommodating chamber 8 may be set as desired, for example, three, four, etc. It is noted that the number of slots 9 in the receiving cavity 8 should correspond to the number of shaving blades 1 for facilitating the mounting of the shaving blades 1.

In this embodiment, the number of the shaving blades 1 in the accommodating chamber 8 may be five, and accordingly, five insertion grooves 9 are formed on the left and right sides of the accommodating chamber 8.

In order to place the shaving blade 1 in the receiving chamber 8, the receiving chamber 8 comprises an opening 10 for receiving the shaving blade 1 and a hollow-out hole arranged opposite to the opening 10, wherein the blade assembly portion 7 is detachably provided with a mounting cap 11 for sealing the opening 10 and fixing the shaving blade 1.

When the razor blade 1 is mounted on the razor head, the mounting cap 11 needs to be opened first;

then, the insertion arms 5 of the razor blade 1 are inserted into the corresponding insertion slots 9, thereby achieving the pre-positioning of the razor blade 1;

subsequently, the mounting cap 11 is closed, and the mounting and fixing work of the razor blade 1 is completed by pressing the mounting cap 11.

Furthermore, a clamping groove clamped with the razor blade 1 is arranged on the mounting cover 11. The number of the clamping grooves is a plurality, and the number of the clamping grooves corresponds to that of the shaving blades 1.

When the cover 11 is mounted on the cover, the base part 2 of the razor blade 1 will snap into a corresponding snap groove in the mounting cover 11, whereby the razor blade 1 can be better secured.

After the shaving blade 1 is mounted and fixed, the shaving portion 4 of the shaving blade 1 is located outside the hollow hole, so that the shaving blade 1 can perform the shaving operation.

As shown in fig. 7, three pressing blocks 12 may be provided on the mounting cover 11.

After the cap 11 is mounted on the cap, the three pressing blocks 12 respectively press the insertion arms 5 at the center and both sides of the razor blade 1, thereby restricting the moving space of the razor blade 1 and achieving the fixation of the razor blade 1.

In this embodiment, the slot may be disposed on the pressing block 12.

For easy cleaning, as well as for easy discharge of shaving cream and cut beards etc., the mounting cap 11 may be provided with a number of through-holes 13.

Wherein, two through holes 13 can be arranged on the mounting cover 11 and distributed between the adjacent pressing blocks 12.

Due to the existence of the through hole 13, the cleaning and air drying of the razor blade 1 are facilitated, and meanwhile, the situation that the razor blade 1 is rusted due to accumulated water in the accommodating cavity 8 is avoided.

In this embodiment, the mounting cover 11 can be connected to the blade assembly portion 7 by snap-fitting.

The upper and lower sides of the pressing block 12 may be respectively provided with a snap, and correspondingly, the blade assembling portion 7 is provided with a connecting groove corresponding to the snap one to one. By the cooperation between the snap and the connection groove, fixation between the mounting cap 11 and the blade assembling portion 7 can be achieved.

In other embodiments, the mounting cover 11 may be fixed to the blade assembling portion 7 by screws or the like.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention.

In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.

Although embodiments of the present invention have been shown and described, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications, substitutions and alterations can be made to the above embodiments by those of ordinary skill in the art without departing from the scope of the present invention.

Claims

1. A razor blade, comprising a base portion, a curved portion and a shaving portion, wherein the base portion is adapted to be fixedly coupled to a razor head;

the length of the gap accounts for 10% of the length of the base part;

the length of the base part is not more than 40 mm.

2. The razor blade of claim 1, wherein the base portion, curved portion and shaving portion are all of a unitary construction.

3. The razor blade of claim 1, wherein the length of the bent portion and the length of the shaving portion are both less than the length of the base portion.

4. Razor blade according to claim 1, wherein the radius of curvature of the curved portion is between 1.5 and 3 mm.

5. Razor blade according to claim 1, wherein the number of indentations is two.

6. Razor head, comprising a blade assembly and a razor blade according to any of claims 1 to 5;

7. Razor head according to claim 6, wherein the blade assembly portion is provided with a socket for mounting the razor blade.

8. Razor head according to claim 7, wherein the spacing between adjacent slots is between 0.8mm and 1.2 mm.

9. Razor head according to claim 6, wherein the opening of the housing chamber is provided with a mounting cap;

10. A shaver comprising a razor blade according to any of claims 1 to 5.