Open type vibrissa knife and vibrissa trimmer

By improving the knife mesh structure of the nose hair trimmer to connect to the cylindrical open opening design and V-shaped notch, the problem of difficulty in introducing nose hair is solved, and faster and better trimming effect and longer blade life is achieved.

CN223278033UActive Publication Date: 2025-08-29NINGBO DIKE AUTO PARTS CO LTD
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Patent Information

Application Number
CN202422434868.4
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-10-09
Publication Date
2025-08-29
Estimated Expiration
2034-10-09

AI Technical Summary

Technical Problem

The knife mesh structure of the existing nose hair trimmer hinders the introduction of nose hair, resulting in poor trimming effect.

Method used

A cylindrical and open top surface is adopted, and a V-shaped notch is provided on the side wall. The notch is open to the top surface of the knife mesh to increase the area of ​​nose hair introduction, and the rectangular bottom notch design avoids jamming nose hair.

Benefits of technology

Effectively increase the amount of nose hair introduction, faster and better trimming effect, extend the service life of the blade, and ensure the stability of the knife holder.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses an open type vibrissa knife and a vibrissa trimmer, and belongs to the technical field of articles for daily use, the open type vibrissa knife comprises a knife holder, a movable knife group and a knife net, the movable knife group is mounted on the knife holder, the knife net covers the movable knife group, the top surface of the knife net is open and is cylindrical, a notch of a V-shaped structure is formed in the side wall of the knife net, and the knife net is mounted on the knife holder. The notch is arranged close to the top face of the knife net and communicated with the opening in the top face of the knife net, and the notch and the opening in the top face of the knife net jointly form a guide-in opening for vibrissa to enter. The structure of the knife net is further optimized, the introduction amount of the vibrissa is effectively increased, and the effect of trimming the vibrissa is faster and better.
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Description

Technical Field

[0001] The present application relates to the technical field of daily necessities, and in particular to an open-type nose hair razor and a nose hair trimmer. Background Art

[0002] Nose hair trimmers are a type of trimmer that emerged as people's pursuit of higher hygiene conditions. They can trim the hair inside the nostrils and protect the hygiene conditions in the nasal cavity. Currently, there are various nose hair trimmers on the market, but the general principles are similar. They are all achieved by rotating the blade through a micro motor.

[0003] Related prior art, such as the Chinese patent application "A Blade Head Structure for a Nose Hair Trimmer" (Application No. CN202323267762.1), discloses a blade holder and a blade net. The blade holder is provided with a movable blade, which is disposed within the blade net. The top end face of the movable blade is provided with a blade edge. The blade net includes side walls and a hair feed wall inclined relative to the side walls. The hair feed wall is provided with a plurality of slots for nose hair to enter. The blade edge is disposed opposite the inner wall of the hair feed wall. This invention mainly addresses the problem that most current nose hair trimmers cut nose hairs through the side of the movable blade, which is inconvenient to use and has a poor shaving effect.

[0004] The existing nose hair trimmers have blade nets that include side walls and hair inlet walls that are inclined relative to the side walls. This blade net structure greatly hinders the nose hair from entering the blade net, preventing the nose hair from fully contacting the moving blade and being trimmed. Utility Model Content

[0005] The technical problem to be solved by the present application is to provide an open-type nose hair cutter and nose hair trimmer, further optimize the blade net structure, effectively increase the amount of nose hair introduced, and trim the nose hair faster and better.

[0006] The technical solution adopted in this application is: an open-type nose hair cutter, including a blade holder, a movable blade group and a blade net, the movable blade group is installed on the blade holder, the blade net cover is arranged outside the movable blade group, the top surface of the blade net is open and cylindrical, and a V-shaped notch is provided on the side wall of the blade net. The notch is arranged near the top surface of the blade net and is connected to the opening on the top surface of the blade net. The notch and the opening on the top surface of the blade net together constitute an inlet for nose hair to enter.

[0007] Compared with the prior art, the advantage of the present application is that, compared with the prior art, the present application adopts a knife net with a cylindrical structure and an open top surface, which effectively increases the introduction surface of the nose hair and can more smoothly introduce the nose hair. At the same time, the present application further provides a V-shaped notch on the side wall of the knife net. The notch is arranged close to the top surface of the knife net and is connected to the opening on the top surface of the knife net. The notch and the opening on the top surface of the knife net together constitute an introduction port for the nose hair to enter, further increasing the area of ​​the introduction port. Compared with the prior art which usually adopts a narrow and long notch to introduce nose hair, the V-shaped notch of the present application has a better introduction effect. Moreover, the notch of the V-shaped structure is connected to the opening on the top surface of the knife net. When used with the open structure, the introduction effect of the present application is optimal. The present application effectively increases the amount of nose hair introduced, and the effect of trimming nose hair is faster and better.

[0008] In some embodiments of the present application, the top diameter of the slot is larger than the bottom diameter, and the top of the slot is connected to the opening on the top surface of the knife net; the bottom of the slot is a rectangular structure.

[0009] In this application, although the notch is designed as a V-shaped structure as a whole, some parts of it need to be deformed. In a completely V-shaped structure, the bottom is narrowed. If the nose hair is inserted into the notch and moves in the wrong direction, it will get stuck at the bottom of the V-shaped notch, which may pull it. The bottom of the notch designed in this application is a rectangular structure, which effectively expands the bottom of the notch and eliminates the gaps in the entire notch where the nose hair can get stuck, which can effectively solve this problem.

[0010] In some embodiments of the present application, a plurality of notches are regularly arranged on the side wall of the knife net, and the plurality of notches are evenly spaced and arranged around the knife net, which is the preferred structural solution of the present application.

[0011] In some embodiments of the present application, the blade holder includes a mounting post, a circular disc, and a mounting cylinder connected sequentially from top to bottom. The inner hole of the mounting cylinder is a non-circular structure. The inner hole of the mounting seat is connected to the output shaft of the power device, and the movable blade assembly is mounted on the mounting post. This is the preferred structural solution of the present application.

[0012] In some embodiments of the present application, the cross-section of the mounting post is runway-shaped, and the outer peripheral surface of the mounting post includes two flat surfaces and two curved surfaces, the two flat surfaces are arranged back to back, and the two curved surfaces are arranged back to back.

[0013] In some embodiments of the present application, a narrow and long installation channel is provided on the installation column, and the installation channel is arranged along the central axis of the installation column. The installation channel passes through the two planes of the installation column. The movable knife group is installed at the installation channel, and the movable knife group passes through the two planes of the installation column.

[0014] In some embodiments of the present application, both curved surfaces of the mounting post are provided with limit posts, which protrude from the mounting post surface and are positioned adjacent to the inner wall of the blade mesh. The provision of the limit posts limits the rotation of the blade holder to a certain extent, ensuring rotational stability and preventing shaking or tilting of the blade holder.

[0015] In some embodiments of the present application, the movable blade assembly includes two symmetrically arranged blades, with an acute angle formed between the bend at the blade's edge and the inner wall of the blade net. In the present application, the blades are intended to rotate relative to the inner wall of the blade net. If the blades were perpendicular to the inner wall of the blade net, this relative motion would continuously wear the blade's edge. Therefore, the present application designs a bend at the blade's edge. As long as the blades rotate along the direction of the bend, this relative motion acts as a further sharpening of the blade's edge, further extending the blade's service life.

[0016] In some embodiments of the present application, a number of protrusions are provided on the side walls of the installation channel, a waist-shaped hole is opened on the blade, the blade is installed in the installation channel, the protrusions pass through the corresponding waist-shaped holes, and a linear spring is also provided at the installation channel. The linear spring is in a compressed state, and the two ends of the linear spring act on the two blades of the movable knife group respectively, and the linear spring applies force to push the blade to move toward the side of the knife net wall.

[0017] The present invention sets a linear spring, which cooperates with the waist-shaped hole on the blade to realize that the blade is elastic in the length direction of the linear spring and has a certain displacement deformation, which can effectively prevent nose hair from getting stuck on the blade after entering. The blade can adapt well to the trimming environment.

[0018] In some embodiments of the present application, the blade net includes a head, a middle, and a bottom that are sequentially connected from top to bottom. The bottom of the blade net is mounted on a net base, the middle portion is provided with a texture, and the outer diameter of the head gradually decreases from bottom to top. The present application further rationally designs the blade net structure to be more user-friendly.

[0019] A nose hair trimmer comprises a main body, wherein the open nose hair cutter is provided on the main body, a rotating motor is installed in the main body, and the rotating motor is connected to the cutter seat.

[0020] The above embodiments can be combined arbitrarily based on the common knowledge in this field. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] The present application will be further described in detail below with reference to the accompanying drawings and preferred embodiments. However, those skilled in the art will appreciate that these drawings are drawn only for the purpose of explaining the preferred embodiments and therefore should not be construed as limiting the scope of the present application. In addition, unless otherwise specified, the drawings are merely schematic representations of the composition or structure of the described objects and may contain exaggerated representations. The drawings are not necessarily drawn to scale.

[0022] Figure 1 This is a schematic diagram of the structure of this application;

[0023] Figure 2 A top view of the present application;

[0024] Figure 3 for Figure 2 Middle AA section view;

[0025] Figure 4 for Figure 2 Cross-sectional view of the middle BB section;

[0026] Figure 5 This is a schematic diagram of the internal structure of this application.

[0027] Among them, the specific descriptions of the accompanying drawings are as follows: 1. knife seat; 2. moving knife group; 3. knife net; 4. slot; 5. net seat; 6. limit column; 7. blade; 8. blade; 9. protruding column; 10. waist-shaped hole; 11. linear spring; 12. mounting column; 13. disc; 14. mounting cylinder; 15. introduction port. DETAILED DESCRIPTION

[0028] The present application will be described in detail below with reference to the accompanying drawings.

[0029] In order to make the purpose, technical solutions and advantages of this application more clear, the following further describes this application in detail with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain this application and are not intended to limit this application.

[0030] An open nose hair cutter, embodiment 1 is as follows Figure 1 、 Figure 2 As shown: It includes a blade holder 1, a movable blade assembly 2 and a blade net 3. The movable blade assembly 2 is installed on the blade holder 1, and the blade net 3 is covered outside the movable blade assembly 2. The top surface of the blade net 3 is open and cylindrical, which effectively increases the introduction surface of the nose hair and can more smoothly introduce the nose hair. The side wall of the blade net 3 is provided with a V-shaped notch 4. The notch 4 is arranged near the top surface of the blade net 3 and is connected to the opening on the top surface of the blade net 3. The notch 4 and the opening on the top surface of the blade net 3 together constitute an introduction port 15 for the nose hair to enter, further increasing the area of ​​the introduction port 15.

[0031] Compared to the prior art, which typically uses a narrow, elongated notch 4 for guiding nose hair, the V-shaped notch 4 of the present invention provides a better guiding effect. Furthermore, the V-shaped notch 4 is connected to the open top surface of the blade net 3. Combined with the open structure, the present invention achieves optimal guiding effect. This effectively increases the amount of nose hair introduced, resulting in faster and better trimming results.

[0032] Example 2, as Figures 1 to 4 As shown, the top diameter of the notch 4 is larger than the bottom diameter, and the top of the notch 4 is connected to the opening on the top surface of the knife net 3; the bottom of the notch 4 is a rectangular structure.

[0033] In this application, although the notch 4 is an overall V-shaped structure, some parts of it need to be deformed. In a completely V-shaped structure, the bottom is narrowed. If the nose hair extends into the notch 4 and moves in the wrong direction, it will get stuck at the bottom of the V-shaped notch 4, which may pull it. The bottom of the notch 4 designed in this application is a rectangular structure, which effectively expands the bottom of the notch 4 and eliminates the gaps in the notch 4 where the nose hair can get stuck, which can effectively solve this problem.

[0034] The side wall of the knife net 3 is regularly provided with a plurality of notches 4, and the plurality of notches 4 are arranged in a circle around the knife net 3 at equal intervals. This is the preferred structural solution of the present application.

[0035] The rest of the content of the second embodiment is the same as that of the first embodiment.

[0036] Example 3, as Figures 1 to 5 As shown, the blade holder 1 includes a mounting post 12, a disc 13, and a mounting cylinder 14 connected sequentially from top to bottom. The inner hole of the mounting cylinder 14 is a non-circular structure. The inner hole of the mounting seat is connected to the output shaft of the power device. The movable blade assembly 2 is mounted on the mounting post 12. This is the preferred structural solution of this application.

[0037] The cross section of the mounting post 12 is runway-shaped. The outer peripheral surface of the mounting post 12 includes two flat surfaces and two arcuate surfaces. The two flat surfaces are disposed opposite to each other, and the two arcuate surfaces are disposed opposite to each other.

[0038] The mounting column 12 is provided with a narrow mounting channel, which is arranged along the central axis of the mounting column 12 and passes through two planes of the mounting column 12. The movable knife group 2 is installed in the mounting channel and passes through the two planes of the mounting column 12.

[0039] The two arc-shaped surfaces of the mounting post 12 are both provided with limit posts 6, which are protruding from the surface of the mounting post 12 and close to the inner wall surface of the knife net 3. The provision of the limit protrusion 9 limits the rotation of the knife holder 1 to a certain extent, ensuring the stability of the rotation of the knife holder 1 and preventing the knife holder 1 from shaking or tilting.

[0040] The movable blade assembly 2 includes two symmetrically arranged blades 7. The bend at the edge 8 of each blade 7 forms an acute angle with the inner wall of the blade net 3. In the present application, the blade 7 is intended to rotate relative to the inner wall of the blade net 3. If the blade 7 were perpendicular to the inner wall of the blade net 3, this relative motion would continuously wear the blade 8 of the blade 7. Therefore, the present application designs a bend at the edge 8 of the blade 7. As long as the blade 7 rotates along the direction of the bend, this relative motion is equivalent to further sharpening the blade 8, which can further extend the service life of the blade 7.

[0041] A number of bosses 9 are provided on the walls on both sides of the installation channel, and a waist-shaped hole 10 is opened on the blade 7. The blade 7 is installed in the installation channel, and the boss 9 passes through the corresponding waist-shaped hole 10. A linear spring 11 is also provided at the installation channel. The linear spring 11 is in a compressed state. The two ends of the linear spring 11 act on the two blades 7 of the movable knife group 2 respectively, and the linear spring 11 applies force to push the blade 7 to move toward the side of the wall of the knife net 3.

[0042] In this application, a linear spring 11 is provided to cooperate with the waist-shaped hole 10 on the blade 7, so that the blade 7 is elastic in the length direction of the linear spring 11 and has a certain displacement deformation, which can effectively prevent nose hair from getting stuck on the blade 7 after entering. The blade 7 can adapt well to the trimming environment.

[0043] The blade net 3 comprises a head, a middle portion, and a bottom portion connected sequentially from top to bottom. The bottom portion of the blade net 3 is mounted on the net base 5. The middle portion is provided with a texture. The outer diameter of the head portion gradually decreases from bottom to top. The present application further rationally designs the structure of the blade net 3 to be more suitable for user use.

[0044] The rest of the content of the third embodiment is the same as that of the first or second embodiment.

[0045] A nose hair trimmer, embodiment 4, includes a main body, on which is provided an open nose hair cutter as described in any one of embodiments 1 to 3, a rotating motor is installed in the main body, and the rotating motor is connected to the cutter holder 1.

[0046] The present application has been described in detail above. Specific examples have been used herein to illustrate the principles and implementation methods of the present application. The description of the above embodiments is intended only to facilitate understanding of the present application and its core concepts. It should be noted that, without departing from the principles of the present application, a number of improvements and modifications may be made to the present application by a person skilled in the art, and such improvements and modifications shall fall within the scope of protection of the claims of the present application.

Claims

1. An open nose hair razor, characterized in that: The utility model comprises a knife base (1), a movable knife group (2) and a knife net (3), wherein the movable knife group (2) is mounted on the knife base (1), the knife net (3) is covered outside the movable knife group (2), the top surface of the knife net (3) is open and cylindrical, and a V-shaped notch (4) is provided on the side wall of the knife net (3), the notch (4) is arranged close to the top surface of the knife net (3) and is communicated with the opening of the top surface of the knife net (3), and the notch (4) and the opening of the top surface of the knife net (3) together constitute an inlet (15) for the nose hair to enter.

2. The open nose hair razor according to claim 1, characterized in that: The top diameter of the notch (4) is larger than the bottom diameter, and the top of the notch (4) is connected to the opening on the top surface of the knife net (3); the bottom of the notch (4) is a rectangular structure.

3. The open nose hair razor according to claim 1, characterized in that: A plurality of notches (4) are regularly arranged on the side wall of the knife net (3), and the plurality of notches (4) are arranged at equal intervals around the knife net (3).

4. The open nose hair razor according to claim 1, characterized in that: The knife seat (1) includes a mounting column (12), a disc (13) and a mounting cylinder (14) connected in sequence from top to bottom. The inner hole of the mounting cylinder (14) is a non-circular structure. The inner hole of the mounting seat is connected to the output shaft of the power device. The movable knife group (2) is installed at the mounting column (12).

5. The open nose hair razor according to claim 4, characterized in that: The cross section of the mounting column (12) is runway-shaped, and the outer peripheral surface of the mounting column (12) includes two planes and two arcuate surfaces, the two planes are arranged opposite to each other, and the two arcuate surfaces are arranged opposite to each other.

6. The open nose hair razor according to claim 5, characterized in that: The mounting column (12) is provided with a narrow and long mounting channel, which is arranged along the central axis of the mounting column (12) and passes through two planes of the mounting column (12). The movable knife group (2) is installed in the mounting channel, and the movable knife group (2) passes through the two planes of the mounting column (12).

7. The open nose hair razor according to claim 5, characterized in that: Limiting columns (6) are provided on both arc-shaped surfaces of the installation column (12), and the limiting columns (6) are protrudingly provided on the surface of the installation column (12), and the surface of the limiting columns (6) is close to the inner wall surface of the knife net (3).

8. The open nose hair razor according to claim 6, characterized in that: The movable knife group (2) comprises two symmetrically arranged blades (7), and an angle exists between the bending of the blade edge (8) of the blade (7) and the inner wall surface of the knife net (3), and the angle is an acute angle.

9. The open nose hair razor according to claim 8, characterized in that: A plurality of bosses (9) are provided on both side walls of the installation channel, a waist-shaped hole (10) is provided on the blade (7), the blade (7) is installed in the installation channel, and the bosses (9) pass through the waist-shaped hole (10) corresponding thereto. A linear spring (11) is also provided at the installation channel, and the linear spring (11) is in a compressed state. The two ends of the linear spring (11) act on the two blades (7) of the movable knife group (2) respectively, and the linear spring (11) applies force to push the blade (7) to move toward one side of the wall of the knife net (3).

10. A nose hair trimmer, characterized in that: The invention comprises a main body, on which the open nose hair cutter according to any one of claims 1 to 9 is provided, and a rotating motor is installed in the main body, and the rotating motor is connected to the cutter seat (1).

Citation Information

Patent Citations

  • Tool bit structure of vibrissa trimmer

    CN221364874U