Nose hair trimmer assembly and nose hair trimmer
By adjusting the length of the arm of the inner knife limit of the nose hair trimmer and designing the structure with a small head and a large root, the problems of insufficient strength and difficulty in assembly of the inner knife limit of the nose hair trimmer are solved, and higher strength and Automated assembly convenience.
Patent Information
- Application Number
- CN202420823540.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-04-19
- Publication Date
- 2024-12-10
- Estimated Expiration
- 2034-04-19
AI Technical Summary
The internal knife limit structure of the existing nose hair trimmer has problems such as insufficient strength, easy to break, difficult assembly, and unprotected plastic parts structure.
Design a nose hair trimmer assembly. The inner knife limit adopts a structure with a small head and a large root. The ratio of the force arm length to thickness is adjusted to 1.5:1. Combining the spring and the raised parts, reducing the embedded source and improving the limit structure. To improve strength and assembly convenience.
It improves the strength of the inner tool limit point, simplifies the assembly process, protects the plastic part structure from damage, and achieves better automatic assembly and use effects.
Smart Images

Figure CN222135048U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of trimmers, in particular to a nose hair trimmer component and a nose hair trimmer. Background Art
[0002] A nose hair trimmer is a commonly used daily necessity that can quickly and safely trim excessively long nose hairs in the nasal cavity.
[0003] In the nose hair trimmer, the function of the inner knife limit point is to limit the range of movement of the inner knife when it is assembled into the plastic part, and prevent the inner knife from slipping out of the plastic part. To ensure this purpose and the bending forming requirements, the inner knife limit point will be separated from its original plane by about 2 times the material thickness after forming. It can be seen that the structural design of the inner knife limit point is very important, and the current structural design of the inner knife limit point has some unreasonable aspects, resulting in the following deficiencies in the actual processing and use of the nose hair trimmer:
[0004] 1. The inner knife limit points on the market are not strong enough and are prone to breakage;
[0005] 2. The current inner knife limit point structure has a large force arm length (the force arm refers to the ratio of the inner knife limit point length to the thickness), which makes it easy for the inner knife products to be interlocked and embedded at the inner knife limit point during centralized storage. The deeper the force is, the more difficult it is to separate before assembly, which increases the difficulty of automated assembly.
[0006] 3. The current inner knife limit point does not provide enough clearance space inside the plastic part, thus failing to protect the structural strength of the plastic part. Utility Model Content
[0007] The utility model aims to provide a nose hair trimmer assembly and a nose hair trimmer to solve the problems raised in the above background technology part.
[0008] In order to achieve the above purpose, the utility model adopts the following technical solutions:
[0009] A nose hair trimmer assembly comprises an inner knife, an outer knife, a plastic part and a plastic part rotating shaft, wherein the plastic part is used to install the inner knife, the outer knife is arranged on the outside of the plastic part, the inner knife is arranged on the inside of the plastic part and the outer knife, the plastic part rotating shaft is fixedly connected to the bottom of the plastic part, the inner knife is composed of two inner blades superimposed on each other, an inner knife limiting hole is provided on the inner blade, an inner knife limiting point is provided at one end of the inner knife limiting hole, and the inner knife limiting point is a structure with a small head and a large root.
[0010] Furthermore, the center of the top of the outer knife is an outer knife hair feeding hole, and a plurality of evenly distributed outer knife hair feeding grooves are arranged around the outer periphery of the outer knife hair feeding hole.
[0011] Furthermore, the two inner blades have the same shape and face oppositely, a protrusion is provided on the side of the two inner blades close to each other, a spring is provided between the two inner blades, and two ends of the spring are respectively sleeved on the outside of the two protrusions.
[0012] Furthermore, a clamping hole for installing the inner knife and the spring is provided in the plastic part, and a limiting slide groove for limiting the movement of the inner knife limiting point is also provided in the plastic part, and the limiting slide groove is connected to the clamping hole.
[0013] Furthermore, the ratio of the length to the thickness of the inner knife limit point is 1.5:1.
[0014] A nose hair trimmer comprises a nose hair trimmer component having the structure as described in the above technical solution.
[0015] Compared with the prior art, the beneficial effects of the utility model are:
[0016] 1. In the utility model, the strength of the inner knife limit point is improved by adjusting the length of the force arm of the inner knife limit point, that is, the length and thickness ratio of the inner knife limit point of the product on the market (about 5:1) is adjusted to the minimum forming requirement (1.5:1); in addition, the structure of the inner knife limit point is improved, that is, it is designed into a small head and large root (similar to a pyramid) structure, so as to improve the root strength of the inner knife limit point.
[0017] 2. In the utility model, by adjusting the length of the force arm of the inner knife limit point and designing it into a structural shape with a small head and a large root, the small parts of the inner knife are reduced or removed, and the embedding source is eliminated, thereby ensuring that the inner knife products are in an independent state before assembly, which is convenient for automatic assembly.
[0018] 3. The inner knife limit point in the utility model is a structural shape with a small head and a large root, which requires a smaller space for the plastic part, thereby better protecting the structural strength of the plastic part from damage. BRIEF DESCRIPTION OF THE DRAWINGS
[0019] Figure 1 This is a three-dimensional structural schematic diagram of a nose hair trimmer assembly proposed by the utility model;
[0020] Figure 2 This is a schematic diagram of the internal cross-sectional structure of a nose hair trimmer assembly proposed by the utility model;
[0021] Figure 3 This is a schematic diagram of the internal cross-sectional structure of a nose hair trimmer assembly proposed by the utility model;
[0022] Figure 4 This is a schematic diagram of the three-dimensional structure of the inner knife and spring of a nose hair trimmer assembly proposed by the utility model;
[0023] Figure 5This is a schematic diagram of the front view structure of the inner knife and spring of a nose hair trimmer assembly proposed by the utility model;
[0024] Figure 6 This is a schematic diagram of the three-dimensional structure of a plastic part and a plastic part rotating shaft of a nose hair trimmer assembly proposed by the utility model;
[0025] Figure 7 This is a schematic diagram of the front view structure of a plastic part and a plastic part rotating shaft of a nose hair trimmer assembly proposed by the utility model;
[0026] Figure 8 This is a schematic diagram of the three-dimensional structure of the inner blade of a nose hair trimmer assembly proposed by the utility model;
[0027] Fig. 9 This is a schematic diagram of the front view structure of the inner blade of a nose hair trimmer assembly proposed by the utility model.
[0028] In the figure: 1 inner knife, 2 outer knife, 3 plastic part, 4 plastic part rotating shaft, 5 outer knife whisker feeding hole, 6 outer knife whisker feeding groove, 7 spring, 8 clamping hole, 9 limiting slide groove, 10 inner knife blade, 11 inner knife limiting hole, 12 inner knife limiting point, 13 protrusion. DETAILED DESCRIPTION
[0029] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.
[0030] Reference Figure 1-9 A nose hair trimmer assembly comprises an inner knife 1, an outer knife 2, a plastic part 3 and a plastic part rotating shaft 4, the plastic part 3 is used to install the inner knife 1, the outer knife 2 is arranged on the outside of the plastic part 3, the inner knife 1 is arranged on the inside of the plastic part 3 and the outer knife 2, the plastic part rotating shaft 4 is fixedly connected to the bottom of the plastic part 3, the inner knife 1 is composed of two inner blades 10 overlapping each other, the inner blade 10 is provided with an inner knife limiting hole 11, one end of the inner knife limiting hole 11 is provided with an inner knife limiting point 12, the inner knife limiting point 12 is a structure with a small head and a large root, and the ratio of the length to the thickness of the inner knife limiting point 12 is 1.5:1.
[0031] In the above embodiment, the strength of the inner knife limit point 12 is improved by adjusting the length of the lever arm of the inner knife limit point 12, that is, the length to thickness ratio of the inner knife limit point 12 of the product on the market is adjusted from about 5:1 to the minimum molding requirement of 1.5:1; in addition, the structure of the inner knife limit point 12 is improved, that is, the head (attached Figure 8 A part in the middle) small root (attached Figure 8The B part in the figure is similar to a pyramid structure, so as to improve the root strength of the inner knife limit point 12. By adjusting the arm length of the inner knife limit point 12 and designing it into a structural shape with a small head and a large root, the small parts (attached) on the inner knife 1 that are easy to be embedded are reduced or removed. Fig. 9 C in the middle), eliminating the embedded source (attached Fig. 9 The inner knife limit point 12 is a structural shape with a small head and a large root, which requires less space for the plastic part 3 to make room, thereby better protecting the structural strength of the plastic part 3 from damage.
[0032] Specifically, the center of the top of the outer knife 2 is an outer knife hair feeding hole 5, and a plurality of evenly distributed outer knife hair feeding grooves 6 are arranged around the outer periphery of the outer knife hair feeding hole 5.
[0033] In the above embodiment, the nose hair to be trimmed enters the outer knife 2 through the outer knife hair inlet hole 5 and a plurality of evenly distributed outer knife hair inlet grooves 6 .
[0034] Specifically, the two inner blades 10 have the same shape and face oppositely. A protrusion 13 is provided on the side of the two inner blades 10 close to each other. A spring 7 is provided between the two inner blades 10, and the two ends of the spring 7 are respectively sleeved on the outer sides of the two protrusions 13.
[0035] In the above embodiment, the two inner blades 10 cooperate with each other to achieve the function of rapidly rotating and trimming nose hair.
[0036] Specifically, a clamping hole 8 for installing the inner knife 1 and the spring 7 is provided in the plastic part 3 , and a limiting slide groove 9 for limiting the movement of the inner knife limiting point 12 is also provided in the plastic part 3 , and the limiting slide groove 9 is connected to the clamping hole 8 .
[0037] In the above embodiment, the shape of the clamping hole 8 is designed to match the inner knife 1 and the spring 7 , and the limiting slide groove 9 is used to limit the range of movement of the inner knife limiting point 12 in the plastic part 3 .
[0038] A nose hair trimmer comprises the nose hair trimmer assembly described in the above embodiments.
[0039] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.
Claims
1. A nose hair trimmer assembly, comprising an inner blade (1), an outer blade (2), a plastic part (3) and a plastic part rotating shaft (4), wherein the plastic part (3) is used to mount the inner blade (1), the outer blade (2) is arranged on the outside of the plastic part (3), the inner blade (1) is arranged on the inside of the plastic part (3) and the outer blade (2), the plastic part rotating shaft (4) is fixedly connected to the bottom of the plastic part (3), the inner blade (1) is composed of two inner blades (10) superimposed on each other, and is characterized in that: An inner blade limiting hole (11) is provided on the inner blade (10), an inner blade limiting point (12) is provided at one end of the inner blade limiting hole (11), and the inner blade limiting point (12) is a structure with a small head and a large root.
2. A nose hair trimmer assembly according to claim 1, characterized in that: The center of the top of the outer knife (2) is an outer knife hair inlet hole (5), and a plurality of evenly distributed outer knife hair inlet grooves (6) are provided around the outer periphery of the outer knife hair inlet hole (5).
3. A nose hair trimmer assembly according to claim 1, characterized in that: The two inner blades (10) have the same shape and face opposite directions; a protrusion (13) is provided on the side of the two inner blades (10) close to each other; a spring (7) is provided between the two inner blades (10), and two ends of the spring (7) are respectively sleeved on the outside of the two protrusions (13).
4. A nose hair trimmer assembly according to claim 1, characterized in that: The plastic part (3) is provided with a clamping hole (8) for mounting the inner knife (1) and the spring (7), and the plastic part (3) is also provided with a limiting slide groove (9) for limiting the movement of the inner knife limiting point (12), and the limiting slide groove (9) is connected to the clamping hole (8).
5. A nose hair trimmer assembly according to claim 1, characterized in that: The ratio of the length to the thickness of the inner knife limit point (12) is 1.5:
1.
6. A nose hair trimmer, characterized in that: It comprises a nose hair trimmer assembly as described in any one of claims 1-5.
