Views: 7231 Author: YHA® Publish Time: 2022-02-14 Origin: YHA®
Background technique:
There are two main ways to trim nose hair, one is to cut nose hair, and the other is to pluck nose hair. Nose hair is an important part of the human body. It can filter and clean the inhaled air. Nose hair greatly avoids the growth of dust and bacteria. If the nose hair is removed, the defense of the nose will undoubtedly be lifted. As a result, bacteria and dust will directly enter the lower respiratory tract, causing infection of the lower respiratory tract. In addition, after plucking the nose hair, the hair follicles are damaged, and bacteria take the opportunity to invade, which can cause the occurrence of nasal boils. Nose hair plucking impairs the ability of the nasal cavity to defend against disease. Therefore, trimming nose hair advocates "cutting" rather than "pulling".
One of the tools for trimming nose hair or ear hair in the prior art is to use hardware tools such as scissors. When scissors are used for trimming, it lacks safety and is easy to cause danger during operation. In addition, it is inconvenient to operate and difficult to trim clean. Another option is to use a special trimming tool. However, the trimming tools on the market are not removable or inconvenient to remove after trimming, and it is difficult to clean the inner hair after use.
Technical implementation elements:
To this end, the embodiment of the present invention provides a nose hair trimmer, so as to solve the problem of inconvenient and unsafe operation when using tools such as scissors to repair nose hair in the prior art.
In order to achieve the above purpose, the embodiments of the present invention provide the following technical solutions:
According to an embodiment of the present invention, a nose hair trimmer includes a knife cover and a knife shank disposed on the inner side of the knife cover, the knife cover and the knife shank are rotatably connected, and an outer side of the knife shank is provided with a A limiting component for limiting the relative displacement of the cutter shank and the cutter sleeve in the axial direction; an outer knife groove is provided at one end of the axial direction of the knife sleeve, and the outer knife groove is provided with a number of intervals in the circumferential direction of the knife sleeve , and the outer knife groove runs through the side wall of the knife sleeve; an inner knife groove is opened at one end of the knife rod and close to the outer knife groove, and the inner knife groove is arranged at intervals in the circumferential direction of the knife rod; The inner side wall of the knife sleeve at one end close to the outer knife sleeve abuts against the outer side wall of the end of the knife shank close to the inner knife groove.
Further, an annular groove is provided on the inner side of the knife sleeve; a mounting hole is opened on the knife rod along the radial direction of the knife rod, and the mounting hole forms a mounting port on the outer side wall of the knife rod, and the diameter of the mounting port is smaller than that of the knife rod. the diameter of the installation hole; the limit component includes a compression spring fitted in the installation hole, and a marble located in the installation hole; the maximum diameter of the marble is larger than the diameter of the installation hole, the The maximum diameter of the marble is smaller than the diameter of the mounting hole; the portion of the marble passing through the mounting opening abuts on the inner side of the annular groove.
Further, a plurality of cutter blocks are formed at one end of the cutter bar close to the inner cutter groove by a plurality of inner cutter grooves; the plurality of cutter blocks enclose a "cone"-shaped cavity on one side close to the axial direction, and the cavity is formed. The cavity communicates with the inner sipe.
Further, the diameter of the cavity is smaller at the side close to the mounting hole, and larger at the side away from the mounting hole.
Further, a handle is provided at the end of the knife bar away from the inner knife groove.
Further, an operating collar is sleeved on the rod section of the knife sleeve away from the outer knife groove.
Further, the diameter of one end of the knife sleeve close to the outer knife groove is gradually reduced.
Further, a protective cover wrapping the outer knife groove is detachably provided on the outer side of the knife sleeve and at one end close to the outer knife groove.
Further, the protective cover is threadedly connected with the tool sleeve.
The embodiments of the present utility model have the following advantages:
In the embodiment of the present utility model, by setting the knife sleeve and the inner knife shank, when the nose hair and ear hair need to be trimmed, the knife sleeve and the knife shank are relatively rotated, so that the outer knife groove and the inner knife groove on the two are relatively misaligned. Thereby, the nose hair or ear hair in the outer and inner sipes is trimmed. Safer during pruning.
In addition, the knife holder and the inner blade holder can be disassembled relative to each other. After trimming, the outer blade holder and the inner blade holder can be separated from each other, and then the blade holder and the blade holder can be cleaned separately. Cleaning is more convenient and faster.
Description of drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the following briefly introduces the accompanying drawings that are required to be used in the description of the embodiments or the prior art. Obviously, the drawings in the following description are only exemplary, and for those of ordinary skill in the art, other implementation drawings can also be obtained according to the extension of the drawings provided without creative efforts.
The structures, proportions, sizes, etc. shown in this specification are only used to cooperate with the contents disclosed in the specification, so as to be understood and read by those who are familiar with the technology, and are not used to limit the conditions that the present invention can be implemented. The technical substantive significance, the modification of any structure, the change of the proportional relationship or the adjustment of the size, without affecting the effect that the utility model can produce and the purpose that can be achieved, should still fall within the scope disclosed in the present utility model. within the scope of technical content.
Fig. 1 is the exploded schematic diagram of a kind of nose hair trimmer provided by the utility model embodiment;
Fig. 2 is the structural representation of protruding knife cover in the nose hair trimmer provided by the embodiment of the present utility model;
Fig. 3 is the schematic diagram of the protruding cutter bar in the nose hair trimmer provided by the embodiment of the present utility model;
4 is a cross-sectional view in the nose hair trimmer provided by an embodiment of the present invention;
FIG. 5 is an enlarged view of the structure a in FIG. 4 protruding from the nose hair trimmer provided by the embodiment of the present invention.
In the figure: 1. Knife sleeve; 11. Center hole; 12. Outer knife groove; 13. Annular groove; 14. Operating collar; 2. Tool holder; 21. Inner knife groove; ; 23, knife block; 24, cavity; 25, handle; 3, limit component; 31, compression spring; 32, marble.
detailed description
The embodiments of the present invention are described below by specific embodiments. Those who are familiar with the technology can easily understand other advantages and effects of the present invention from the contents disclosed in this specification. Obviously, the described embodiments are the present invention. Some examples, but not all examples. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative work fall within the protection scope of the present invention.
Terms such as "upper", "lower", "left", "right", "middle", etc. quoted in this specification are only for the convenience of description and clarity, and are not used to limit the scope of the present invention. , the change or adjustment of the relative relationship, without substantial change of the technical content, should also be regarded as the scope of the present invention.
A nose hair trimmer, as shown in Figures 1 to 5, comprises a knife cover 1, a knife rod 2 arranged on the inner side of the knife cover 1, the knife cover 1 and the knife rod 2 are rotatably connected, and the outside of the knife rod 2 is provided with a The limiting component 3 for limiting the relative displacement of the tool holder 2 and the tool sleeve 1 in the axial direction.
The cutter sleeve 1 is a cylindrical sleeve, and a central hole 11 is formed on the inner side through the longitudinal direction thereof, and the cutter shank 2 is inserted through the central hole 11 .
One end of the tool holder 1 in the axial direction is provided with an outer tool groove 12 , which is arranged at intervals in the circumferential direction of the tool holder 1 . An inner knife groove 21 is provided at one end of the knife shank 2 close to the outer knife groove 12, and several inner knife grooves 21 are arranged at intervals in the circumferential direction of the knife shank 2; 2. The outer wall near one end of the inner sipe 21 abuts.
When in use, insert the knife holder 1 and the knife holder 2 into the nostril or ear hole, and then rotate relatively through the knife holder 2 and the knife holder 1 . When the outer knife groove 12 and the inner knife groove 21 are rotated to be aligned, the nose hair or ear hair is located inside the outer knife groove 12 and the inner knife groove 21. to clean up.
An annular groove 13 is formed on the inner side of the tool holder 1; a mounting hole 22 is formed on the tool bar 2 along the radial direction of the tool bar 2, and the mounting hole 22 forms a mounting opening 221 on the outer side wall of the tool bar 2, and the diameter of the mounting opening 221 is smaller than that of the mounting hole 221. hole 22 diameter;
The limit assembly 3 includes a compression spring 31 fitted in the installation hole 22 and a marble 32 located in the installation hole 22, wherein the marble 32 is close to the side of the installation opening 221, and the compression spring 31 is located away from the installation opening 221. side. The maximum diameter of the marble 32 is larger than the diameter of the installation hole 22, and the maximum diameter of the marble 32 is smaller than the diameter of the installation hole 22; when in use, the spherical surface of the marble 32 can pass through a part of the installation opening 221, but the marble 32 cannot be passed through the installation opening. 221 break away. The portion of the marble 32 pierced by the installation opening 221 abuts on the inner side of the annular groove 13 . The compression springs 31 and the marbles 32 are provided, so that the tool holder 1 and the tool holder 2 will not be easily disengaged during relative rotation during use. When the tool holder 1 and the tool holder 2 need to be cleaned, they can be forced outward. Pull out the tool bar 2 so that the tool bar 2 is separated from the tool holder 1, and then clean the tool holder 2 and the tool holder 1 respectively.
It should be noted that, for the installation method of the marbles 32, during manufacture, the installation holes 22 are first drilled, then the compression springs 31 and the marbles 32 are placed, and then the installation openings 221 are processed to make their diameters smaller. Therefore, the marbles 32 cannot leak out from the installation opening 221 .
A plurality of cutter blocks 23 are formed at one end of the cutter bar 2 close to the inner cutter groove 21 by a plurality of inner cutter grooves 21; 24 communicates with the inner sipe 21 . The cavity 24 has a smaller diameter on the side close to the mounting hole 22 , and has a larger diameter on the side away from the mounting hole 22 . Through this setting, when nose hair or ear hair needs to be trimmed, insert the end of the cutter bar 2 close to the inner knife groove 21 into the ear or the inside of the nostril, and the ear hair or nose hair can be located inside the cavity 24. When the cutter bar 2 and the knife cover are rotated relatively When 1, the outer knife groove 12 and the inner knife groove 21 are displaced relative to each other. When the outer knife groove 12 and the inner knife groove 21 are relatively aligned, the nose hair is located in the inner knife groove 21 and the outer knife groove 12. Trim ear or nose hair.
A handle 25 is provided at one end of the cutter bar 2 away from the inner cutter groove 21 . An operating collar 14 is sleeved on the rod section of the knife sleeve 1 away from the outer knife groove 12 . Through the provided operating collar 14 and handle 25, it is convenient to operate the knife sleeve 1 and the knife shank 2.
The diameter of one end of the knife sleeve 1 close to the outer knife groove 12 is gradually reduced, so that it is convenient to insert it into the ear or the inside of the nostril. At the same time, in order to protect the outer knife groove 12 and the inner knife groove 21 conveniently, a protective cover wrapping the outer knife groove 12 is detachably provided on the outer side of the knife sleeve 1 and one end close to the outer knife groove 12 . The protective cover is threadedly connected with the tool sleeve 1 . By tightening the thread, the protective cover can be stably fixed on the tool holder 1 when not in use, and can be easily disassembled when it is required to be used. In addition, it should be noted that the thread on the knife sleeve 1 that cooperates with the protective cover is far from the outer knife groove 12. When the end of the knife sleeve 1 close to the outer knife groove 12 is inserted into the ear or the inside of the nostril, the knife sleeve 1 The threads on the top are on the outside of the ear or nostril.
Although the present utility model has been described in detail above with general description and specific embodiments, some modifications or improvements can be made on the basis of the present utility model, which is obvious to those skilled in the art. Therefore, these modifications or improvements made on the basis of not departing from the spirit of the present invention belong to the scope of protection of the present invention.
