CN113601556B

CN113601556B - Double-blade razor head component and electric razor

Info

Publication number: CN113601556B
Application number: CN202110681422.XA
Authority: CN
Inventors: 孟凡迪
Original assignee: Shenzhen Sushi Technology Co Ltd
Current assignee: Shenzhen Sushi Technology Co Ltd
Priority date: 2021-06-18
Filing date: 2021-06-18
Publication date: 2023-05-12
Anticipated expiration: 2041-06-18
Also published as: CN113601556A

Abstract

The application provides a double-edged razor head component and electric razor, double-edged razor head component includes razor head and blade, and the blade includes first blade portion and the second blade portion of being connected each other, and first blade portion has first cutting edge, has the second cutting edge in the second blade portion, and one in first blade portion and the second blade portion detachably connects in razor head, and another protrusion is in razor head in order to regard as working knife portion. Compared with the existing razor head component, after the working blade of the razor head component is worn, the razor blade can be indexed, a new blade can be replaced, the sharpness of the working blade is recovered, the use times of the razor blade are increased, and the service life of the razor blade is prolonged. The electric shaver has the advantages of the double-blade shaver head assembly because the electric shaver has the double-blade shaver head assembly.

Description

Double-blade razor head component and electric razor

Technical Field

The present application relates to personal care devices, and more particularly to a dual blade razor head assembly and an electric shaving apparatus.

Background

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

Because the razor blade needs to be contacted and rubbed with beard or mesh enclosure frequently, after a period of use, the razor blade is extremely easy to wear and lose sharpness when leaving the factory. The service life of the razor blade tends to end as the blade edge dulls.

Disclosure of Invention

An object of the embodiment of the application is to provide a double-edged razor head component and an electric shaver to solve the technical problem that razor blade life is low that exists among the prior art.

In order to achieve the above purpose, the technical scheme adopted in the application is as follows: there is provided a dual-bladed razor head assembly comprising a razor head and a blade, the blade comprising a first blade portion and a second blade portion connected to each other, the first blade portion having a first blade and the second blade portion having a second blade, one of the first blade portion and the second blade portion being detachably connected to the razor head, the other protruding from the razor head as a working blade.

As a further improvement of the above technical scheme:

optionally, the first blade portion and the second blade portion are staggered from each other along a height direction and a length direction of the blade.

Optionally, the first blade and the second blade are arranged opposite to each other.

Optionally, the shaving cutter head is provided with a first blade mounting position and a second blade mounting position, and when the blades are mounted on the first blade mounting position or the second blade mounting position, the working blades protruding from the shaving cutter head are positioned at different positions along the inner and outer directions of the shaving cutter head.

Optionally, the shaving cutter head is provided with a plurality of mounting grooves, and the blade is detachably mounted in the mounting grooves.

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

Optionally, the shaving cutter head is provided with a cutter seat slot penetrating through the side edge of the shaving cutter head, the cutter seat is inserted into the cutter seat slot, and the cutter blade is inserted into the cutter seat.

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

Optionally, a clip is further sleeved on the side edge of the shaver head.

An electric shaver comprising a double-edged shaver head assembly as described above.

The utility model provides a double-edged razor head component and electric razor device's beneficial effect lies in: the application provides a double-edged razor head component, when first cutting edge is worn and torn as the working cutting edge back, can take off the blade from the blade disc. The blade is indexed, the worn first blade is replaced by the second blade which is not used yet, the blade is reinstalled on the shaver head, the second blade is the working blade, and the sharpness of the shaver head assembly is recovered, so that the use times and the service life of the blade are prolonged. Similarly, if the second blade is worn by the first use of the second blade as the working blade, the blade is removed from the cutter head, the blade is indexed, the worn second blade is replaced with the first blade which is not yet used, and the blade is reinstalled on the razor head, at which point the first blade is the working blade, and the sharpness of the razor head assembly is restored.

Compared with the existing razor head component, after the working blade of the razor head component is worn, the razor blade can be indexed, a new blade can be replaced, the sharpness of the working blade is recovered, the use times of the razor blade are increased, and the service life of the razor blade is prolonged. The electric shaver has the advantages of the double-blade shaver head assembly because the electric shaver has the double-blade shaver head assembly.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings that are required for the embodiments or the description of the prior art will be briefly described below, it being obvious that the drawings in the following description are only some embodiments of the present application, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

Fig. 1 is a schematic front view of a dual-blade razor head component of embodiment 1 provided herein;

fig. 2 is a schematic perspective view of a dual-blade razor head component of embodiment 1 provided herein;

fig. 3 is a schematic diagram showing a disassembled structure of a dual blade razor head component of embodiment 1 provided in the present application;

fig. 4 is a partially enlarged schematic construction of a dual-edge razor head component of embodiment 1 provided herein;

fig. 5 is a schematic perspective view of a blade and a holder of the dual-edge razor head assembly of embodiment 1 provided herein;

fig. 6 is a schematic perspective view of a blade of the dual edge razor head component of embodiment 1 provided herein;

fig. 7 is a schematic cross-sectional view of a dual-blade razor head component of embodiment 1 provided herein;

fig. 8 is a schematic perspective view of a dual-blade razor head component of embodiment 2 provided herein;

fig. 9 is a schematic perspective view of a dual blade razor head component of embodiment 3 provided herein.

Wherein, each reference sign in the figure:

1. a shaving cutter head; 11. a mounting groove; 2. a blade; 21. a first blade portion; 22. a second blade portion; 23. a first blade; 24. a second blade; 3. a tool apron; 4. and (5) clamping the clamp.

Detailed Description

In order to make the technical problems, technical schemes and beneficial effects to be solved by the present application more clear, 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 for purposes of illustration only and are not intended to limit the present application.

It will be understood that when an element is referred to as being "mounted" 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 is to be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate or are based on the orientation or positional relationship shown in the drawings, merely to facilitate description of the present application and simplify description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be configured and operated in a particular orientation, and therefore should not be construed as limiting the present application.

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

Referring to fig. 1 and 6, the dual-edge razor head assembly of the present embodiment includes a razor head 1 and a blade 2. The blade 2 includes a first blade portion 21 and a second blade portion 22 connected to each other, taking into account that: the term "connected" should not be understood as necessarily being a connection of two separately detachable components, but also as "connection" of two components in an integrated form, the first blade portion 21 and the second blade portion 22 are preferably integrated in this embodiment, i.e. the term "connected" may be understood with reference to the following examples: the bolt comprises a screw and a bolt head connected to each other (but in practice the screw and the bolt head are integrally formed in one piece), or the first blade portion 21 and the second blade portion 22 may be detachably connected, in which case "connection" is understood to be a connection of 2 separate parts. The first blade portion 21 has a first blade edge 23, and the second blade portion 22 has a second blade edge 24. One of the first blade portion 21 and the second blade portion 22 is detachably connected to the shaver head 1, and the other is protruded from the shaver head 1 to serve as a working blade portion, "working blade portion" is to be understood as meaning that the corresponding blade (first blade 23 or second blade 24) of the first blade portion 21 or the second blade portion 22 serving as the working blade portion is capable of performing shaving operation, or any operation requiring the use of the blade for shaving, cutting, shaving, etc. That is, when the first blade portion 21 is detachably connected to the shaving head 1, the second blade portion 22 protrudes from the shaving head 1, and the second blade 24 on the second blade portion 22 is a working blade, so that it can be used for shaving. Alternatively, when the second blade portion 22 is detachably connected to the shaving head 1, the first blade portion 21 protrudes from the shaving head 1, and the first blade edge 23 on the first blade portion 21 is a working blade edge, so that it can be used for shaving operations. It will be appreciated that the detachable connection between the shaver head 1 and the first blade portion 21 and the second blade portion 22 may be any one of a fastening connection such as a socket, a clip, or a screw bolt.

When the first cutting edge 23 wears as the working edge, the cutting insert 2 can be removed from the cutterhead 1. The blade 2 is indexed, the worn first blade edge 23 is replaced by the unused second blade edge 24, and the blade 2 is reinstalled on the shaver head 1, wherein the second blade edge 24 is the working blade edge, and the sharpness of the shaver head assembly is restored, so that the use times and the service life of the blade 2 are prolonged. Similarly, if the second cutting edge 24 is worn out as the working cutting edge for the first time, the cutting blade 2 is removed from the cutter head 1, the cutting blade 2 is indexed, the worn second cutting edge 24 is replaced with the first cutting edge 23 which is not yet used, and the cutting blade 2 is reinstalled on the shaver head 1, at which time the first cutting edge 23 is the working cutting edge, and the sharpness of the shaver head assembly is restored. It will be appreciated that in another embodiment, the blade 2 may also be provided with a third blade edge, a fourth blade edge, etc. Compare in traditional razor head subassembly, after the blade 2 working cutting edge wearing and tearing of this application, can be with blade 2 transposition, change new cutting edge, resume the sharpness of working cutting edge, both increased the number of times of use of blade 2, prolonged the life of blade 2 again.

Referring to fig. 6, in the present embodiment, the first blade portion 21 and the second blade portion 22 are arranged offset from each other in the height direction H and the length direction L of the blade 2. On the one hand, the first blade portion 21 and the second blade portion 22 are allowed to completely overlap after the indexing of the blade 2, and on the other hand, the working edge length can be reduced, the cutting resistance can be reduced, and the cutting can be made lighter and faster.

Referring to fig. 6, in the present embodiment, the first blade edge 23 and the second blade edge 24 are disposed opposite to each other, and the first blade edge 23 and the second blade edge 24 can completely replace each other after the indexing of the insert 2 is achieved. In another embodiment, the first and

second edges

23, 24 may be arranged in the same direction as each other, but the direction of rotation of the shaver head 1 is reversed, since the orientation of the first and

second edges

23, 24 will be reversed after indexing of the blade 2.

Referring to fig. 1 and 2, in this embodiment, the shaving cutter head 1 has a first blade mounting location and a second blade mounting location, and it is understood that the first blade mounting location and the second blade mounting location may be mounting slots, mounting holes, mounting bosses, or the like. When the blade 2 is mounted at the first blade mounting position or the second blade mounting position, the working blades of the blade 2 protruding from the shaver head 1 are positioned at different positions along the inner and outer directions S of the shaver head 1.

Wherein, the working edges of the blades 2 protruding from the shaver head 1 are located at different positions along the inner and outer directions of the shaver head 1 means that: the working edges of the blades 2 are arranged in a direction from the geometric center of the shaver head 1 to the outer edge of the shaver head 1, i.e. in the inward-outward direction S. When a plurality of blades 2 are mounted, the working edges of the blades 2 are alternately arranged at intervals. For example, the shaver head 1 is a circular head, and the inner and outer directions S are radial directions of the disk when the blades 2 are mounted on the first blade mounting position or the second blade mounting position. It will be appreciated that in other embodiments, the shaver head 1 may be a square head, a triangular head, a polygonal head. The different positions of the working edges of the blades 2 on the shaver head 1 is advantageous for increasing the shaving range of the shaver head 1.

Referring to fig. 2, according to the first embodiment of the present application, the blades 2 are provided in each of the first blade mounting positions and each of the second blade mounting positions, respectively.

Referring to fig. 8, according to the second embodiment of the present application, the blades 2 are provided in the respective first blade mounting positions.

Referring to fig. 9, according to the third embodiment of the present application, the blades 2 are respectively provided in the respective second blade mounting positions.

It will be appreciated that in other embodiments of the present application, the razor blade 2 may also be provided in part of the first blade mounting location or part of the second blade mounting location.

Referring to fig. 3 to 5, in the present embodiment, the dual-bladed razor head assembly further includes a blade holder 3 detachably mounted to the razor head 1, and the blades 2 are detachably mounted to the blade holder 3. The insert 2 is indirectly detachably mounted in the mounting groove 11 by means of the insert seat 3. In another embodiment, the shaver head 1 is provided with a plurality of mounting grooves 11, and the blades 2 are detachably mounted in the mounting grooves 11. The mounting grooves 11 are a first blade mounting position and a second blade mounting position on the shaver head 1. The blade 2 may be directly removably mounted in the mounting slot 11.

Referring to fig. 3 to 5, in the present embodiment, the shaver head 1 has a head slot penetrating the side edge of the shaver head 1, so that the head 3 is easily inserted into the head slot from the side edge of the shaver head 1. The tool holder 3 is inserted in the tool holder slot, and the blade 2 is inserted in the tool holder 3.

Referring to fig. 5, in the present embodiment, the lower end of the cutter holder 3 is thicker than the upper end of the cutter holder 3, and the cutter holder 3 is inserted into the cutter holder slot to limit the axial movement of the cutter holder 3 along the shaving cutter head 1. It can be appreciated that the longitudinal section of the tool holder 3 is trapezoidal, T-shaped, etc.

Referring to fig. 2 and 7, in this embodiment, the side edges of the shaver head 1 are further sleeved with clips 4. The clips 4 serve to limit the movement of the cartridge 3 in the radial direction of the shaving head 1. The clamp 4 may be an elastic rubber ring or a hard collar. In other embodiments, the clip 4 may not be provided, and the frictional force between the blade holder 3 and the blade holder slot may limit the radial movement of the blade holder 3 along the shaving cutter head 1.

The application also discloses an electric shaver, and the electric shaver includes the double-edged shaver head assembly of the above embodiment, and further includes a driving device for driving the double-edged shaver head assembly, and a mesh enclosure. The double-blade razor head component is arranged at the driving output end of the driving device and is driven to rotate by the driving device. The beard passes through the holes on the net cover and is cut by the double-blade razor head component rotating at high speed, thereby realizing the shaving operation.

The foregoing description of the preferred embodiments of the present application is not intended to be limiting, but is intended to cover any and all modifications, equivalents, and alternatives falling within the spirit and principles of the present application.

Claims

1. A double-edged razor head assembly comprising a razor head (1) and a blade (2), the blade (2) comprising a first blade portion (21) and a second blade portion (22) connected to each other, the first blade portion (21) having a first cutting edge (23), the second blade portion (22) having a second cutting edge (24), one of the first blade portion (21) and the second blade portion (22) being detachably connected to the razor head (1), the other protruding from the razor head (1) as a working blade portion;

when the first blade part (21) is detachably connected with the shaver head (1), the second blade part (22) protrudes out of the shaver head (1), and the second blade (24) on the second blade part (22) is a working blade; or when the second blade part (22) is detachably connected to the shaver head (1), the first blade part (21) protrudes out of the shaver head (1), and the first blade (23) on the first blade part (21) is a working blade;

the shaving cutter head (1) is provided with a first blade mounting position and a second blade mounting position, and when the blade (2) is mounted at the first blade mounting position or the second blade mounting position, the working blade edge of the blade (2) protruding out of the shaving cutter head (1) is positioned at different positions along the inner and outer directions of the shaving cutter head (1);

the shaving cutter head (1) is provided with a plurality of mounting grooves (11), and the blade (2) is detachably arranged in the mounting grooves (11); the shaver further comprises a cutter holder (3) detachably mounted on the shaver head (1), and the cutter blade (2) is detachably mounted on the cutter holder (3);

the shaver head (1) is provided with a cutter seat slot penetrating out of the side edge of the shaver head (1), the cutter seat (3) is inserted into the cutter seat slot, and the cutter blade (2) is inserted into the cutter seat (3).

2. A double-edged razor head assembly according to claim 1, wherein the first and second blade parts (21, 22) are arranged offset from each other in the height and length direction of the blade (2).

3. A dual edge razor head assembly according to claim 2, wherein the first and second cutting edges (23, 24) are arranged opposite each other.

4. A double-edged razor head assembly according to claim 1, wherein the lower end of the cartridge (3) is thicker than the upper end of the cartridge (3).

5. A double-edged razor head assembly according to any one of claims 1 to 4, wherein the side edges of the razor cartridge (1) are further sleeved with clips (4).

6. An electric shaving apparatus, characterized in that the electric shaving apparatus comprises a double-edged shaver head assembly according to any one of claims 1 to 5.