CN113787543A

CN113787543A - Double-sided razor head assembly and electric razor

Info

Publication number: CN113787543A
Application number: CN202110912218.4A
Authority: CN
Inventors: 孟凡迪
Original assignee: Shenzhen Sushi Technology Co Ltd
Current assignee: Shenzhen Sushi Technology Co Ltd
Priority date: 2021-08-10
Filing date: 2021-08-10
Publication date: 2021-12-14
Anticipated expiration: 2041-08-10
Also published as: CN113787543B

Abstract

The application provides a two-sided tool bit subassembly that shaves, including the tool disc that shaves, the tool disc that shaves includes first terminal surface and the second terminal surface that backs to each other, all is equipped with the blade of shaving on first terminal surface and the second terminal surface. When the shaver is in work, the shaver blade on the first end surface or the second end surface is selected as the working blade, the shaver blade on the other end surface is the standby blade, and the working blade is worn and dulled. The shaver head is turned over, and the original spare blade is replaced to the position of the working blade, so that the shaving operation is realized. Compare in traditional razor dish, the two-sided razor head subassembly make full use of razor dish's positive and negative two sides has not only increased the mounted position of the blade of shaving on the razor dish, has still improved the life of razor head subassembly.

Description

Double-sided razor head assembly and electric razor

Technical Field

The present application belongs to the technical field of personal care equipment, and more particularly relates to a double-sided shaving head assembly and an electric shaving device.

Background

With the annual improvement of the living standard of the whole society and the great improvement of the civilization degree, the pursuit of the national quality of life starts to rise to a new height. With the effectiveness of the electric shaving apparatus being accepted by the public and the price being more and more popular, the electric shaving apparatus gradually replaces the traditional manual shaver product.

The electric shaver consists of a mesh enclosure, a shaver head, a micro motor and a shell. The net cover is a fixed outer blade, and a plurality of holes are formed in the net cover, and beards can extend into the holes. The micro-motor is driven by electric energy to drive the shaver head to move, and the beard extending into the hole is cut off by utilizing the shearing principle.

Because the blade on the razor head often contacts and rubs with beard or screen panel, after using for a period of time, the blade is very easy to abrade and become dull and make the shaving device more and more difficult to shave cleanly, and user experience sense descends. The useful life of the shaving heads also tends to end as the blades become dulled. The user can only replace a new shaving head or buy a new electric shaving apparatus, thereby increasing the use cost of the user and causing waste of resources.

Disclosure of Invention

An object of the embodiment of this application is to provide a two-sided razor head subassembly and electric shaving device to solve the technical problem that razor head life who exists among the prior art is low.

In order to achieve the purpose, the technical scheme adopted by the application is as follows: the utility model provides a two-sided razor head subassembly, includes the razor disc, the razor disc includes first terminal surface and the second terminal surface that back to each other, all be equipped with the razor blade on first terminal surface and the second terminal surface.

As a further improvement of the above technical solution:

optionally, the razor blades include a first razor blade disposed on the first end face and a second razor blade disposed on the second end face, the number of the first razor blades is plural and/or the number of the second razor blades is plural.

Optionally, the cutting edges of the first and second shaving blades are arranged opposite each other.

Optionally, the shaving blades are removably attached to the shaver head.

Optionally, the razor blades include a plurality of first razor blades disposed on the first end surface and a plurality of second razor blades disposed on the second end surface, the plurality of first razor blades include a first razor blade and a second razor blade, and the cutting edges of the first razor blade and the second razor blade are at different positions in the inside-outside direction of the razor head.

Optionally, the first end face and the second end face are both provided with mounting grooves, and the razor blade is detachably mounted in the corresponding mounting grooves.

Optionally, the shaver further comprises a cutter holder detachably mounted on the shaver head, and the shaver blade is detachably mounted on the cutter holder.

Optionally, the shaver head has a cutter holder slot penetrating through a side edge of the shaver head, and the cutter holder is inserted into the cutter holder slot.

Optionally, the lower end of the tool apron is thicker than the upper end of the tool apron.

An electric shaver comprises the double-sided shaver head component.

The application provides a two-sided tool bit subassembly and electric shaver's that shaves beneficial effect lies in: the application provides a two-sided tool bit subassembly that shaves, the during operation chooses the razor blade of shaving first terminal surface or the second terminal surface of razor dish for use earlier for work blade, and the razor blade of another terminal surface is reserve blade, treats behind the dull of work blade wearing and tearing. The shaver head is turned over, and the original spare blade is replaced to the position of the working blade, so that the shaving operation is realized. Compare in traditional razor dish, the two-sided razor head subassembly make full use of razor dish's positive and negative two sides has not only increased the mounted position of the blade of shaving on the razor dish, has still improved the life of razor head subassembly.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed to be used in the embodiments or the prior art descriptions will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without inventive exercise.

Fig. 1 is a first perspective view of a double-sided razor head assembly according to example 1 of the present application;

fig. 2 is a schematic perspective view of a double-sided razor head assembly according to embodiment 1 of the present application;

fig. 3 is a schematic top view of a dual sided razor head assembly of example 1 provided herein;

fig. 4 is a perspective view of a dual sided razor head assembly of example 2 provided herein;

fig. 5 is a schematic disassembled view of a dual sided razor head assembly according to example 2 provided herein;

fig. 6 is a perspective view of a dual sided razor head assembly according to example 3 provided herein;

fig. 7 is a schematic illustration of a disassembled structure of a dual sided razor head assembly according to example 3 provided in the present application.

Wherein, in the figures, the respective reference numerals:

1. a shaver head; 11. a first end face; 12. a second end face; 2. a razor blade; 21. a first razor blade; 211. a first blade; 212. a second blade; 22. a second razor blade; 221. a third blade; 222. a fourth blade; 3. mounting grooves; 4. a tool apron; 5. a tool apron slot.

Detailed Description

In order to make the technical problems, technical solutions and advantageous effects to be solved by the present application clearer, the present application is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the present application and are not intended to limit the present application.

It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or be indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or be indirectly connected to the other element.

It will be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like, as used herein, refer to an orientation or positional relationship indicated in the drawings that is solely for the purpose of facilitating the description and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be considered as limiting the present application.

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

As shown in fig. 1 to 3, the dual-sided razor head assembly of the present embodiment includes a razor head 1, the razor head 1 includes a first end surface 11 and a second end surface 12 facing away from each other, and the razor blades 2 are disposed on both the first end surface 11 and the second end surface 12.

When the shaver is in work, the shaver blade 2 on the first end surface 11 or the second end surface 12 is selected as a working blade, the shaver blade 2 on the other end surface is a standby blade, and the working blade is worn and dulled. The shaver head 1 is turned over, and the original spare blade is replaced to the position of the working blade, so that the shaving operation is realized. Compare in traditional razor dish, the two-sided razor head subassembly make full use of razor dish 1's positive and negative two sides of shaving has not only increased the mounted position of razor blade 2 on the razor dish 1, has still improved the life of razor head subassembly.

In the present embodiment, the razor blades 2 include a first razor blade 21 provided on the first end face 11 and a second razor blade 22 provided on the second end face 12, and the number of the first razor blades 21 is plural or the number of the second razor blades 22 is plural. Specifically, when there is one first razor blade 21, there may be one or more second razor blades 22; when the first razor blade 21 is plural, the second razor blade 22 may be one or plural. The number of the first razor blades 21 and the number of the second razor blades 22 may be set equal to or unequal to each other.

As shown in fig. 4 and 6, in another embodiment, the razor blades 2 include a plurality of first razor blades 21 provided on the first end surface 11 and a plurality of second razor blades 22 provided on the second end surface 12, the plurality of first razor blades 21 include a first blade 211 and a second blade 212, and the cutting edges of the first and

second razor blades

211 and 212 are at different positions in the inward and outward directions of the razor cartridge 1.

Here, the fact that the cutting edge of the first blade 211 and the cutting edge of the second blade 212 are located at different positions in the inside-outside direction of the shaver head 1 means that: the cutting edges of the first blade 211 and the second blade 212 are arranged in the direction from the geometric center of the shaver head 1 to the outer edge of the shaver head 1. The cutting edges of the first blades 211 are arranged close to one side of the geometric center of the shaver head 1, the cutting edges of the second blades 212 are arranged close to the side edges of the shaver head 1, and the cutting edges of the first blades 211 and the cutting edges of the second blades 212 are alternately spaced from each other. The cutting edges of the razor blades 2 are in different positions and contribute to increasing the shaving area of the shaver head 1.

It is understood that the plurality of second shaving blades 22 disposed on the second end surface 12 include a third blade 221 and a fourth blade 222, and the cutting edges of the third blade 221 and the fourth blade 222 are at different positions in the inward and outward directions of the shaver head 1. The third blades 221 are arranged near the geometric center side of the shaver head 1, the cutting edges of the fourth blades 222 are arranged near the side edges of the shaver head 1, and the cutting edges of the third blades 221 and the cutting edges of the fourth blades 222 are alternately arranged.

As shown in fig. 2, in the present embodiment, the cutting edges of the first razor blade 21 and the second razor blade 22 are arranged opposite to each other. So that the cutting edges of the first razor blades 21 and the second razor blades 22 can be displaced from each other after the shaver head 1 is turned over, and the double-sided razor head assembly continues to perform the shaving operation.

In another embodiment, as shown in fig. 4 and 6, the cutting edges of the first razor blades 21 and the second razor blades 22 may be arranged in the same direction, but since the cutting edges of the first razor blades 21 and the second razor blades 22 are oppositely oriented after the razor cartridge 1 is turned over, the rotation direction of the razor cartridge 1 is also opposite to realize the shaving operation.

As shown in fig. 1 to 3, according to a first embodiment of the present application, the razor blades 2 may be integrally formed with the razor cartridge 1.

As shown in fig. 4 and 5, the razor blades 2 are also detachably connectable to the razor cartridge 1 according to the second embodiment of the present application. When the razor blades 2 are worn out over a period of time, the razor blades 2 can be removed from the razor head 1 to facilitate replacement with new razor blades 2. The shaving blades 2 and the shaving cutter head 1 are combined in a split mode, and the individual design and manufacture of the shaving blades 2 and the shaving cutter head 1 are facilitated. The shaving blades 2 can be detachably connected with the shaving head disc 1 through fasteners such as slots, clamping grooves and screws.

According to a second embodiment of the application, the first end face 11 and the second end face 12 of the shaver head 1 are each provided with a mounting groove 3, the shaving blades 2 being detachably mounted in the respective mounting grooves 3. The mounting grooves 3 are arranged at different positions along the inner and outer directions of the first end surface 11 and the second end surface 12, namely, at intervals along the direction from the geometric center of the shaver head 1 to the outer edge of the shaver head 1. The outer edge of the shaver head 1 is provided with an insertion opening for the mounting groove 3, which facilitates the insertion of the shaver blade 2 into the mounting groove 3. The longitudinal section of the mounting groove 3 is trapezoidal. The width of the bottom of the mounting groove 3 is larger than that of the top of the mounting groove 3, and the shaving blades 2 are limited to move along the axial direction of the shaver head 1 through the matching of the shaving blades 2 and the mounting groove 3. In other embodiments, the longitudinal section of the mounting groove 3 can also be T-shaped or L-shaped, etc.

As shown in fig. 6 and 7, according to a third embodiment of the present application, the double-sided razor head assembly further comprises a holder 4 detachably mounted to the razor head 1, the razor blades 2 being detachably mounted to the holder 4.

According to a third embodiment of the application, the shaver head 1 has a holder slot 5 extending through a side edge of the shaver head 1, and the holder 4 is inserted into the holder slot 5, so that the holder 4 can be inserted into the holder slot 5 from the side edge of the shaver head 1.

According to a third embodiment of the application, the lower end of the holder 4 is thicker than the upper end of the holder 4. The tool holder 4 is inserted into the tool holder slot 5, and the tool holder 4 is restricted from moving in the axial direction of the shaver head 1. It can be understood that the longitudinal section of the tool apron 4 is trapezoidal, T-shaped, etc.

According to a third embodiment of the application, the side edges of the shaver head 1 are also provided with clips. The clamp is intended to limit the radial movement of the holder 4 in the shaver head 1. The clamp can be an elastic rubber ring or a hard ring sleeve. In other embodiments, no clamp may be provided, and the tool holder 4 is restricted from moving in the radial direction of the shaver head 1 by the friction force between the tool holder 4 and the tool holder slot 5.

The electric shaving device of the embodiment comprises the double-sided shaving head assembly of the embodiment, and further comprises a driving device and a mesh enclosure for driving the double-sided shaving head assembly. The double-sided razor head component is arranged at the driving output end of the driving device and drives the double-sided razor head component to rotate through the driving device. The beard is cut by the double-sided razor head component rotating at high speed through the hole on the mesh enclosure, thereby realizing the shaving operation. When the razor blade 2 on one end face of the double-face razor head component is dulled, the double-face razor head component can be detached, and after the double-face razor head component is turned over, the razor blade 2 on the other end face of the double-face razor head component is used for shaving. Since the electric shaver has the double-sided razor head unit of the present embodiment, there is also an advantage of the double-sided razor head unit.

The above description is only exemplary of the present application and should not be taken as limiting the present application, as any modification, equivalent replacement, or improvement made within the spirit and principle of the present application should be included in the protection scope of the present application.

Claims

1. A double-sided razor head assembly, characterized in that, includes razor disc (1), razor disc (1) includes first terminal surface (11) and second terminal surface (12) back to each other, all be equipped with razor blade (2) on first terminal surface (11) and the second terminal surface (12).

2. A double sided razor head assembly according to claim 1, wherein the razor blades (2) comprise a first razor blade (21) arranged on the first end face (11) and a second razor blade (22) arranged on the second end face (12), the number of first razor blades (21) being plural and/or the number of second razor blades (22) being plural.

3. The dual sided razor head assembly of claim 2, wherein the cutting edges of the first razor blade (21) and the second razor blade (22) are arranged opposite each other.

4. A dual sided razor head assembly according to claim 1, wherein the razor blades (2) are detachably connected to the razor head (1).

5. The double-sided razor head assembly according to claim 1, wherein the razor blades (2) comprise a plurality of first razor blades (21) disposed on the first end face (11) and a plurality of second razor blades (22) disposed on the second end face (12), the plurality of first razor blades (21) comprising a first blade (211) and a second blade (212), the cutting edges of the first blade (211) and the second blade (212) being at different positions in the inward-outward direction of the razor cartridge (1).

6. A dual sided razor head assembly according to claim 1, wherein the first (11) and second (12) end faces are provided with mounting slots (3), the razor blade (2) being detachably mounted in the corresponding mounting slot (3).

7. A dual sided razor head assembly according to claim 1, further comprising a cartridge (4) removably mounted to the razor head (1), the razor blades (2) being removably mounted to the cartridge (4).

8. A dual sided razor head assembly according to claim 7, wherein the razor head (1) has a holder slot (5) through a side edge of the razor head (1), the holder (4) being insertable in the holder slot (5).

9. A dual sided razor head assembly according to claim 8, wherein the lower end of the blade holder (4) is thicker than the upper end of the blade holder (4).

10. An electric shaving apparatus, characterized in that it comprises a double sided razor head assembly according to any of claims 1 to 9.