Nasal hair cutter with diamond-shaped cutter head

Abstract

A vibrissa cutter with a diamond-shaped cutter head comprises a static cutter and a moving cutter, the static cutter is provided with a static cutter body part and a static cutter tooth part, the static cutter tooth part is composed of a plurality of static cutter teeth, a moving cutter mounting groove is formed in the static cutter, the moving cutter is rotatably arranged in the moving cutter mounting groove, the moving cutter is provided with moving cutter teeth, and the moving cutter tooth part is provided with a diamond-shaped cutter head. The fixed cutter tooth tip and the fixed cutter tooth root of the fixed cutter tooth are in contact with the movable cutter tooth tip and the movable cutter tooth root of the movable cutter in the rotating process of the movable cutter, the design can ensure that the cutting action is stable and efficient when the vibrissa is cut, and after the fixed cutter tooth tip and the movable cutter tooth root are in contact, the cutting action is stable and efficient. A closed cutting space is formed between the static cutter middle tooth part of the static cutter teeth and the movable cutter middle tooth part, it is ensured that vibrissa can be effectively clamped when cut, the cutting accuracy and safety are improved, the movable cutter teeth do not make direct contact with the static cutter teeth as a whole, noise and friction are reduced, and the service life of the vibrissa is prolonged. And the service life of the vibrissa knife is prolonged.

Description

Technical Field

[0001] This utility model relates to the field of hair trimming equipment technology, specifically to a nose hair trimmer with a diamond-shaped blade. Background Technology

[0002] A significant drawback of existing nose hair trimmers (commonly referred to as nose hair trimmers) is the potential for considerable noise due to the complete contact between the moving and stationary blades during rotation. Some nose hair trimmers emit a buzzing sound and strong vibrations during operation, which can be uncomfortable, especially in quiet environments such as offices or bedrooms. This noise not only affects the user's mood but can also disturb those around them, causing unnecessary annoyance. Summary of the Invention

[0003] In view of this, the present invention provides a nose hair trimmer with a diamond-shaped blade.

[0004] To achieve the above objectives, this utility model provides the following technical solution:

[0005] A nose hair trimmer with a diamond-shaped blade includes a stationary blade and a moving blade. The stationary blade has a stationary blade body and a stationary blade tooth section. The stationary blade tooth section is composed of a plurality of stationary blade teeth, which are arranged in a circular array on the top edge of the stationary blade body. A moving blade mounting groove is formed inside the stationary blade, and the moving blade is rotatably mounted in the moving blade mounting groove. The moving blade has moving blade teeth, and the stationary blade teeth have a stationary blade tooth tip, a stationary blade middle tooth section, and a stationary blade tooth root section. The moving blade teeth have moving blade tooth tips, moving blade middle teeth, and moving blade tooth roots corresponding to the stationary blade tooth tips, stationary blade middle teeth, and stationary blade tooth roots. During the rotation of the moving blade, the moving blade tooth tips and moving blade tooth roots respectively contact the stationary blade tooth tips and stationary blade tooth roots, and a closed cutting space is formed between the moving blade middle teeth and the stationary blade middle teeth.

[0006] Preferably, the stationary cutter tooth has an inner surface, an outer surface, and a side surface connecting the outer and inner surfaces. A cutting intersection line exists between the side surface and the inner surface. The moving cutter tooth has an outer surface, an inner surface, and a side surface connecting the outer and inner surfaces. A cutting intersection line exists between the side surface and the outer surface. During rotation, the cutting intersection line always partially intersects the stationary cutter tooth's cutting intersection line, while the remaining portion intersects the inner surface of the stationary cutter tooth.

[0007] Preferably, the inner surface of the stationary cutter tooth has an upper surface, a connecting surface, and a lower surface. An angle R1 is formed between the upper surface and the connecting surface, and an angle R2 is formed between the lower surface and the connecting surface. Angles R1' and R2' corresponding to angles R1 and R2 are formed on the moving cutter tooth, wherein angle R1' ≤ angle R1 and angle R2' ≤ angle R2.

[0008] Preferably, a stationary cutter groove is formed between adjacent stationary cutter teeth, and the bottom height of the stationary cutter groove is higher than the height of the stationary cutter body.

[0009] Preferably, the stationary cutter tooth has a first outer surface and a second outer surface, and the first and second outer surfaces intersect to form an included angle α of less than 90°.

[0010] Preferably, each of the stationary cutter teeth has at least a partial chamfered structure.

[0011] Preferably, the end of the stationary knife tooth portion away from the stationary knife body portion is configured with an open structure.

[0012] Preferably, the end of the stationary knife tooth portion away from the stationary knife body portion is configured in a wrap-around structure.

[0013] Preferably, a stationary cutter groove is formed between adjacent stationary cutter teeth, and the bottom height of the stationary cutter groove is lower than the height of the stationary cutter body.

[0014] Preferably, the moving blade includes a moving blade holder and a moving blade body, the moving blade teeth are formed on the moving blade body, the moving blade body is disposed on the moving blade holder, and the stationary blade also includes a stationary blade holder, the moving blade holder and the inner wall of the stationary blade holder are snap-fit ​​connected.

[0015] Preferably, the moving tool holder has a locking part and a base part, the moving tool body is disposed on the base part, the locking part is arranged in a ring structure at the bottom end of the base part, and the inner ring side of the locking part is provided with an oblique angle structure or a rounded corner structure between it and the base part.

[0016] Preferably, the portion of the stationary blade body near the adjacent stationary blade teeth is recessed to form a bristle guide groove.

[0017] The beneficial effects of this invention are as follows: the tips and roots of the stationary blade teeth come into contact with the tips and roots of the moving blade teeth during the rotation of the moving blade. This design ensures that the cutting action is smooth and efficient when the nose hair is being cut. Furthermore, after contacting the tips and roots of the moving blade teeth, the closed cutting space formed between the middle teeth of the stationary blade teeth and the middle teeth of the moving blade not only ensures that the nose hair is effectively clamped during cutting, thereby improving the accuracy and safety of the cutting, but also prevents the moving blade teeth from directly contacting the stationary blade teeth as a whole, thus reducing noise and friction and extending the service life of the nose hair cutter. Attached Figure Description

[0018] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0019] Appendix Figure 1 This is a schematic diagram of the structure of this utility model;

[0020] Appendix Figure 2 For the appendix Figure 1 Another angle diagram;

[0021] Appendix Figure 3 For the appendix Figure 1 Enlarged view of point A in the middle;

[0022] Appendix Figure 4 For the appendix Figure 1 Structural breakdown diagram;

[0023] Appendix Figure 5 Another embodiment of the structure is shown in the diagram;

[0024] Appendix Figure 6 For the appendix Figure 5 Top view;

[0025] Appendix Figure 7 For the appendix Figure 6 Sectional view at point BB;

[0026] Appendix Figure 8 For the appendix Figure 1 Top view;

[0027] Appendix Figure 9 For the appendix Figure 8 Sectional view at CC;

[0028] Appendix Figure 10 For the appendix Figure 9 Enlarged view of point D in the middle. Detailed Implementation

[0029] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0030] The present invention will now be further described with reference to the accompanying drawings.

[0031] This utility model provides the following technical solution:

[0032] As attached Figure 1-10 As shown, this utility model discloses a nose hair trimmer with a diamond-shaped blade, including a stationary blade 1 and a moving blade 2. The stationary blade 1 has a stationary blade body 3 and a stationary blade tooth 4. The stationary blade tooth 4 is composed of a plurality of stationary blade teeth 5, which are arranged in a circular array on the top edge of the stationary blade body 3. A moving blade mounting groove 6 is formed inside the stationary blade 1, and the moving blade 2 is rotatably mounted in the moving blade mounting groove 6. The moving blade 2 has moving blade teeth 7, and the stationary blade teeth 5 have stationary blade tooth tips 28. The stationary blade has a middle tooth portion 29 and a root portion 30. The moving blade 7 has a moving blade tip portion 31, a moving blade middle tooth portion 32, and a moving blade root portion 33 corresponding to the stationary blade tip portion 28, the stationary blade middle tooth portion 29, and the stationary blade root portion 30. During the rotation of the moving blade 2, the moving blade tip portion 31 and the moving blade root portion 33 contact the stationary blade tip portion 28 and the stationary blade root portion 30, respectively. A closed cutting space 16 is formed between the moving blade middle tooth portion 32 and the stationary blade middle tooth portion 29. Specifically, in this design, the tip 28 and root 30 of the stationary blade 5 come into contact with the tip 31 and root 33 of the moving blade during the rotation of the moving blade 2. This structure ensures that the cutting action is smooth and efficient when the nose hair is cut. After contacting the tip 31 and root 33 of the moving blade, the closed cutting space 16 formed between the middle tooth 29 of the stationary blade 5 and the middle tooth 32 of the moving blade not only ensures that the nose hair can be effectively clamped when it is cut, thereby improving the accuracy and safety of the cutting, but also prevents the moving blade 7 from directly contacting the stationary blade 5 as a whole, thereby reducing noise and friction and extending the service life of the nose hair cutter.

[0033] Furthermore, the stationary cutter tooth 5 has a stationary cutter tooth inner surface 8, a stationary cutter tooth outer surface 9, and a stationary cutter tooth side surface 10 connecting the stationary cutter tooth outer surface 9 and the stationary cutter tooth inner surface 8. A stationary cutter tooth cutting intersection line 11 is formed between the stationary cutter tooth side surface 10 and the stationary cutter tooth inner surface 8. The moving cutter tooth 7 has a moving cutter tooth outer surface 12, a moving cutter tooth inner surface 13, and a moving cutter tooth side surface 14 connecting the moving cutter tooth outer surface 12 and the moving cutter tooth inner surface 13. A moving cutter tooth cutting intersection line 15 is formed between the moving cutter tooth side surface 14 and the moving cutter tooth outer surface 12. During the rotation of the moving cutter 2, the moving cutter tooth cutting intersection line 15 always partially intersects with the stationary cutter tooth cutting intersection line 11, while the remaining portion of the moving cutter tooth cutting intersection line 15 intersects with the inner surface of the stationary cutter tooth 5. Specifically, in this embodiment, the design of the moving cutter tooth cutting intersection line 15 ensures the continuity and stability of the cutting process. When the moving blade 2 rotates, a portion of the intersection line 15 of the moving blade teeth makes close contact with the intersection line 11 of the stationary blade teeth, forming an effective cutting edge. This structure not only improves cutting efficiency but also ensures the smoothness of the cut surface, reducing skin irritation during cutting. Simultaneously, the intersection of the intersection line 15 of the moving blade teeth and the inner surface of the stationary blade teeth 5 guides and supports the rotation of the moving blade 2, making it more stable during rotation and reducing cutting errors caused by shaking. This structure not only improves the cutting accuracy of the nose hair trimmer but also makes it easier for users to operate, enhancing the overall user experience. Furthermore, the design of the intersection lines of the stationary blade teeth 5 and the moving blade teeth 7 also considers safety during cutting. A reasonable layout of the intersection lines ensures that the nose hairs are effectively held during cutting, avoiding skin damage caused by improper cutting. At the same time, this structure also reduces the direct contact area between the moving blade teeth 7 and the stationary blade teeth 5, reducing noise and friction during cutting and further extending the lifespan of the nose hair trimmer.

[0034] Furthermore, the inner surface 8 of the stationary blade has an upper surface 17, a connecting surface 18, and a lower surface 19. An angle R1 is formed between the upper surface 17 and the connecting surface 18, and an angle R2 is formed between the lower surface 19 and the connecting surface 18. The moving blade 7 has corresponding angles R1' and R2', where R1' ≤ R1 and R2' ≤ R2. Specifically, in this embodiment, the design of the upper surface 17, connecting surface 18, and lower surface 19 of the inner surface 8 of the stationary blade, and the corresponding angles R1' and R2' on the moving blade 7, further optimizes the cutting performance of the nose hair trimmer. This structure allows the moving blade 2 to move more smoothly along the inner surface of the stationary blade 5 during rotation, reducing resistance and friction during cutting. Furthermore, this structure also helps improve the durability of the nose hair trimmer because it reduces the direct contact between the moving blade 7 and the stationary blade 5, lowering the risk of wear and damage.

[0035] Furthermore, a stationary blade groove 20 is formed between adjacent stationary blade teeth 5, and the bottom height of the stationary blade groove 20 is higher than the height of the stationary blade body 3. Specifically, in this embodiment, the stationary blade groove 20 formed between adjacent stationary blade teeth 5 is designed not only to help reduce the friction between the nose hair and the stationary blade teeth 5 during cutting, but also to guide the nose hair into the cutting area to a certain extent, improving cutting efficiency. The bottom height of the stationary blade groove 20 is higher than the height of the stationary blade body 3. This design allows the nose hair to be more easily guided into the cutting space between the stationary blade teeth 5 and the moving blade teeth 7 during the cutting process, thereby ensuring the smooth progress of the cutting action. At the same time, the presence of the stationary blade groove 20 can also disperse the pressure generated during cutting to a certain extent, reducing the wear of the stationary blade teeth 5 and the moving blade teeth 7, and extending the service life of the nose hair cutter.

[0036] Furthermore, the stationary blade teeth 5 have a first outer surface 34 and a second outer surface 35, which intersect to form an angle α of less than 90°. Specifically, in this embodiment, the first surface 34 and the second surface 35 can form an acute angle structure, thereby reducing the contact between the stationary blade and the skin pores and reducing irritation to the skin. In addition, the high-speed rotation of the moving blade and the stationary blade generates a certain temperature, reducing the contact area and thus reducing skin irritation. It also reduces contact with hair, reducing irritation to the nostrils and causing sneezing. The outer diameter of the stationary blade teeth 5 is >6mm, preferably 7.5-9.5mm. The preferred design allows the outer surface of the stationary blade to fit as closely as possible to the outer diameter of the nose hair or ear canal. During the rotation of the stationary blade, the protruding hooks can effectively lift flat hairs, improving shaving efficiency, while also solving the internal moving blade installation space issue and facilitating flexible installation of the moving blade.

[0037] Furthermore, each of the stationary blade teeth 5 is provided with at least a partially beveled chamfered structure 21. Specifically, in this embodiment, the partially beveled chamfered structure 21 on each stationary blade tooth 5 allows the stationary blade tooth 5 to glide more smoothly across the skin surface when cutting nasal hairs, reducing resistance and discomfort during cutting. Simultaneously, the partially beveled chamfered angle facilitates hair entry. Furthermore, the beveled angle eliminates any sharp edges, preventing the nasal hair tip from scratching the skin during its rotational movement.

[0038] Furthermore, the end of the stationary blade teeth 4 furthest from the stationary blade body 3 is configured with an open structure. Specifically, in this embodiment, the end of the stationary blade teeth 4 furthest from the stationary blade body 3 adopts an open structure design, which helps nasal hairs enter the cutting area more smoothly. Compared with traditional closed-structure nasal hair cutters, open-structure nasal hair cutters can reduce friction between nasal hairs and stationary blade teeth during cutting, making the cutting process smoother and reducing skin irritation.

[0039] Furthermore, the end of the stationary blade teeth 4 furthest from the stationary blade body 3 is configured with a wrap-around structure. Specifically, in this embodiment, the end of the stationary blade teeth 4 furthest from the stationary blade body 3 adopts a wrap-around structure design. This design provides better guidance and protection when nasal hairs enter the cutting area. The wrap-around structure can more effectively wrap around the nasal hairs, ensuring that the nasal hairs remain stably within the cutting space during the cutting process, thereby improving the accuracy and safety of the cutting. In addition, the wrap-around structure can also reduce the splashing of debris during cutting to a certain extent, keeping the usage environment clean. At the same time, this design also takes into account the comfort of use, reducing unnecessary irritation to the skin, allowing users to enjoy a more comfortable and safer experience during use.

[0040] Furthermore, a stationary blade groove 20 is formed between adjacent stationary blade teeth 5, and the bottom height of the stationary blade groove 20 is lower than the height of the stationary blade body 3. Specifically, in this embodiment, the bottom height of the stationary blade groove 20 formed between adjacent stationary blade teeth 5 is lower than the height of the stationary blade body 3. This design allows the stationary blade groove 20 to more effectively accommodate and guide nasal hairs into the cutting area. Moreover, when nasal hairs are cut, the bottom of the stationary blade groove 20 provides a support point, allowing the nasal hairs to be cut more stably, thereby improving cutting efficiency and accuracy.

[0041] In another embodiment, the bottom height of the stationary blade groove 20 is higher than the height of the stationary blade body 3. This structural design makes the nose hair trimmer easier to clean during use because it reduces the possibility of nose hair residue in the stationary blade body 3, thus maintaining the hygienic performance of the nose hair trimmer.

[0042] Furthermore, the moving blade 2 includes a moving blade holder 22 and a moving blade body 23. The moving blade teeth 7 are formed on the moving blade body 23, and the moving blade body 23 is disposed on the moving blade holder 22. The stationary blade 1 also includes a stationary blade holder 27, and the moving blade holder 22 and the stationary blade holder 27 are connected by a snap-fit ​​mechanism. Specifically, in this embodiment, the moving blade 2 is connected to the stationary blade holder 27 of the stationary blade 1 by a snap-fit ​​mechanism through the moving blade holder 22. This design not only simplifies the structure of the nose hair trimmer, making assembly and disassembly more convenient, but also improves the connection stability between the moving blade 2 and the stationary blade 1. The snap-fit ​​connection design ensures that the moving blade 2 will not loosen or fall off during rotation, thereby ensuring the continuity and stability of the cutting action. In addition, this connection method also helps users clean and maintain the nose hair trimmer during use, because the moving blade 2 can be easily removed from the stationary blade 1 for thorough cleaning and disinfection, thereby ensuring the hygiene performance and service life of the nose hair trimmer.

[0043] Furthermore, the moving blade holder 22 has a snap-fit ​​portion 24 and a base portion 25. The moving blade body 23 is disposed on the base portion 25. The snap-fit ​​portion 24 is arranged in a ring structure at the bottom end of the base portion 25. The inner ring side of the snap-fit ​​portion 24 is provided with an angled structure or a rounded corner structure between it and the base portion 25. Specifically, in this embodiment, the design of the moving blade holder 22 further optimizes the structure and function of the nose hair trimmer. The ring structure design of the snap-fit ​​portion 24 makes the snap-fit ​​connection between the moving blade holder 22 and the stationary blade holder 27 more stable and reliable. The angled structure or rounded corner structure provided between the inner ring side of the snap-fit ​​portion 24 and the base portion 25 not only improves the overall strength of the moving blade holder 22, but also makes the snap-fit ​​connection process smoother, reducing the risk of damage caused by improper installation. This design not only ensures the stability and durability of the nose hair trimmer during use, but also improves the user's operating experience.

[0044] Furthermore, the portion of the stationary blade body 3 near the adjacent stationary blade teeth 5 is recessed to form a hair-guiding groove 26. Specifically, in this embodiment, the hair-guiding groove 26 has an arc-shaped groove wall. The hair-guiding groove 26 can more effectively guide nasal hairs into the cutting space between the stationary blade teeth 5 and the moving blade teeth 7. This arc-shaped groove wall design not only allows nasal hairs to be guided more smoothly during the cutting process, but also reduces friction between the nasal hairs and the stationary blade body 3 to a certain extent, reducing unnecessary irritation to the skin.

[0045] Reference Appendix Figure 5 In one embodiment, the hair guide groove 26 extends onto the stationary blade body 3, so that the hair guide groove 26 not only exists between the stationary blade teeth 5, but also covers part of the stationary blade body 3. This design further enhances the guiding and cutting effect of the nose hair cutter on nose hairs. When nose hairs come into contact with the stationary blade body 3, they can be smoothly guided to the cutting area by the hair guide groove 26, ensuring the continuity and efficiency of the cutting action.

[0046] The above description of the disclosed embodiments enables those 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 general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the present invention. Therefore, the present invention is not 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

1. A nose hair trimmer with a diamond-shaped tip, comprising a stationary blade (1) and a moving blade (2), wherein the stationary blade (1) has a stationary blade body (3) and a stationary blade toothed part (4), the stationary blade toothed part (4) is composed of a plurality of stationary blade teeth (5), the stationary blade teeth (5) being arranged in a ring array at the top edge of the stationary blade body (3), a moving blade mounting groove (6) is formed in the stationary blade (1), the moving blade (2) is rotatably disposed in the moving blade mounting groove (6), the moving blade (2) having moving blade teeth (7), characterized in that: The stationary cutter tooth (5) has a stationary cutter tooth tip (28), a stationary cutter tooth middle section (29), and a stationary cutter tooth root (30). The moving cutter tooth (7) has a moving cutter tooth tip (31), a moving cutter tooth middle section (32), and a moving cutter tooth root (33) corresponding to the stationary cutter tooth tip (28), the stationary cutter tooth middle section (29), and the stationary cutter tooth root (30). During the rotation of the moving cutter (2), the moving cutter tooth tip (31) and the moving cutter tooth root (33) respectively contact the stationary cutter tooth tip (28) and the stationary cutter tooth root (30), and a closed cutting space (16) is formed between the moving cutter tooth middle section (32) and the stationary cutter tooth middle section (29).

2. The nose hair trimmer with a diamond-shaped tip according to claim 1, characterized in that: The stationary cutter tooth (5) has a stationary cutter tooth inner surface (8), a stationary cutter tooth outer surface (9), and a stationary cutter tooth side surface (10) connecting the stationary cutter tooth outer surface (9) and the stationary cutter tooth inner surface (8). There is a stationary cutter tooth cutting intersection line (11) between the stationary cutter tooth side surface (10) and the stationary cutter tooth inner surface (8). The moving cutter tooth (7) has a moving cutter tooth outer surface (12), a moving cutter tooth inner surface (13), and a moving cutter tooth side surface (14) connecting the moving cutter tooth outer surface (12) and the moving cutter tooth inner surface (13). There is a moving cutter tooth cutting intersection line (15) between the moving cutter tooth side surface (14) and the moving cutter tooth outer surface (12). During the rotation of the moving cutter (2), the moving cutter tooth cutting intersection line (15) always partially intersects with the stationary cutter tooth cutting intersection line (11), and the other part of the moving cutter tooth cutting intersection line (15) intersects with the inner surface of the stationary cutter tooth (5).

3. The nose hair trimmer with a diamond-shaped tip according to claim 2, characterized in that: The inner surface (8) of the stationary cutter tooth has an upper surface (17), a connecting surface (18) and a lower surface (19). An angle R1 is formed between the upper surface (17) and the connecting surface (18), and an angle R2 is formed between the lower surface (19) and the connecting surface (18). Angles R1' and R2' corresponding to angles R1 and R2 are formed on the moving cutter tooth (7). Angle R1' ≤ angle R1, and angle R2' ≤ angle R2.

4. The nose hair trimmer with a diamond-shaped tip according to claim 1, characterized in that: A stationary knife tooth groove (20) is formed between adjacent stationary knife teeth (5), and the bottom height of the stationary knife tooth groove (20) is higher than the height of the stationary knife body (3).

5. The nose hair trimmer with a diamond-shaped tip according to claim 1, characterized in that: The stationary blade (5) has a first outer surface (34) and a second outer surface (35), and the first outer surface (34) and the second outer surface (35) intersect to form an angle α of less than 90°.

6. The nose hair trimmer with a diamond-shaped tip according to claim 5, characterized in that: Each of the stationary cutter teeth (5) is provided with at least a partial chamfered structure (21).

7. The nose hair trimmer with a diamond-shaped tip according to claim 1, characterized in that: The end of the stationary knife tooth (4) away from the stationary knife body (3) is configured with an open structure.

8. The nose hair trimmer with a diamond-shaped tip according to claim 1, characterized in that: The end of the stationary knife tooth (4) away from the stationary knife body (3) is provided with a wrap-around structure.

9. The nose hair trimmer with a diamond-shaped tip according to claim 8, characterized in that: A stationary knife tooth groove (20) is formed between adjacent stationary knife teeth (5), and the bottom height of the stationary knife tooth groove (20) is lower than the height of the stationary knife body (3).

10. The nose hair trimmer with a diamond-shaped tip according to claim 1, characterized in that: The moving blade (2) includes a moving blade seat (22) and a moving blade body (23). The moving blade teeth (7) are formed on the moving blade body (23). The moving blade body (23) is disposed on the moving blade seat (22). The stationary blade (1) also includes a stationary blade seat (27). The moving blade seat (22) and the inner wall of the stationary blade seat (27) are connected by a snap-fit.

11. The nose hair trimmer with a diamond-shaped tip according to claim 10, characterized in that: The moving blade holder (22) has a locking part (24) and a base part (25). The moving blade body (23) is disposed on the base part (25). The locking part (24) is arranged in a ring structure at the bottom end of the base part (25). An oblique angle structure or a rounded corner structure is provided between the inner ring side of the locking part (24) and the base part (25).

12. The nose hair trimmer with a diamond-shaped tip according to claim 1, characterized in that: The portion of the stationary blade body (3) near the adjacent stationary blade teeth (5) is recessed to form a hair guide groove (26).

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