Nose hair trimmer cutter head and nose hair trimmer convenient to clean

Abstract

A nose hair trimmer comprises a nose hair trimmer cutter head and a main unit. The nose hair trimmer cutter head comprises an outer housing (1), a static cutter (3) is arranged at the top end of the outer housing (1), a movable cutter (5) is rotatably arranged in the static cutter (3), the outer wall of the movable cutter (5) is attached to the inner wall of the static cutter (3), a cutter edge (7) is arranged at the top end of the static cutter (3), a plug head (8) used for preventing hair trimmings from falling into the deep interior of the cutter head is arranged in the movable cutter (5), a storage cavity (9) used for containing the hair trimmings in a centralized manner is formed between the cutter edge (7) and the plug head (8), a transmission assembly (11) used for driving the movable cutter (5) to rotate is arranged in the outer housing (1) and located below the movable cutter (5), and a bottom cover (2) fixedly connected to the outer housing (1) is arranged below the transmission assembly (11). The nose hair trimmer can contain the hair trimmings in a centralized manner in the storage cavity at the cutter edge. Only the static cutter part needs to be cleaned during cleaning, without disassembling the cutter head for cleaning, which is convenient to use.

Description

Nose hair shaving head and nose hair shaving device easy to clean Technical Field

[0001] The present invention relates to the technical field of nose hair shavers, and in particular to a nose hair shaver head and a nose hair shaver that are easy to clean. Background Art

[0002] Nose hair trimmers are a common tool for daily care, and the shaving head is their most important functional component. Existing shaving heads have a blade that connects to the interior of the head, leaving a large gap between the internal moving blade and the external static blade. This allows hair debris to easily fall into the deep end of the head, or even into the main unit. Consequently, cleaning the shaving head often requires disassembly and rinsing, making the cleaning process cumbersome and laborious.

[0003] In order to solve the above defects, it is necessary to develop a nose hair shaving head structure and a nose hair shaving device that are convenient for cleaning broken hair debris. Technical Solutions

[0004] In order to facilitate the cleaning of the nose hair shaving head, broken hair debris is collected and collected for easy cleaning. The present invention provides a nose hair shaving head and a nose hair shaving device that are easy to clean.

[0005] In order to solve the above problems, the present invention provides the following technical solutions:

[0006] A nose hair shaving head that is easy to clean, characterized in that: it includes an outer shell, a static knife is provided at the top of the outer shell, a movable knife is rotatably provided inside the static knife, the outer wall of the movable knife is in contact with the inner wall of the static knife, a cutting edge is provided at the top of the static knife, a plug is provided inside the movable knife for preventing broken hair debris from falling deep into the interior of the knife head, a storage chamber for centrally accommodating broken hair debris is formed between the cutting edge and the plug, a transmission assembly for driving the movable knife to rotate is provided in the outer shell and below the movable knife, and a bottom cover fixedly connected to the outer shell is provided below the transmission assembly.

[0007] The nose hair shaving head that is easy to clean as described above is characterized in that: the stationary knife includes a plurality of stationary knife teeth arranged at equal intervals, a protective head is provided at one end of the stationary knife located at the blade, and a plurality of moving knife teeth with inclined edges are provided at the top end of the moving knife, and the edges of the stationary knife teeth and the moving knife teeth form a shearing angle.

[0008] The nose hair shaving head that is easy to clean as described above is characterized in that: the static knife and the movable knife are both cylindrical, the movable knife is concentric and coaxial with the static knife, a concave ring for reducing rotational friction is provided in the middle section of the outer wall of the movable knife, and the gap between the upper end of the outer wall of the movable knife and the inner wall of the static knife is smaller than the diameter of the nose hair, and the gap range is 0.01mm~0.1mm.

[0009] The nose hair shaving head that is easy to clean as described above is characterized in that: a receiving groove for expanding the volume of the receiving chamber is provided at the end of the plug close to the blade, a clamping block is provided at the bottom end of the plug, a clamping hole for clamping the clamping block is provided on the bottom surface of the movable blade, and a socket for connecting the transmission assembly to drive the movable blade to rotate synchronously with the transmission assembly is provided at the center of the bottom end of the plug.

[0010] The nose hair shaving head that is easy to clean as described above is characterized in that: a clamping block is provided below the movable knife to cooperate with the plug to clamp the movable knife, a slot for inserting the clamping block is provided on the clamping block, a first through hole is provided at the center of the clamping block, a limiting mounting piece for preventing the movable knife from falling off is provided in the outer shell and below the clamping block, and a second through hole is provided at the center of the top of the limiting mounting piece.

[0011] The nose hair shaving head that is easy to clean as described above is characterized in that: the transmission assembly includes a base, a top block that rotates synchronously with the base is provided on the base, a spring is provided between the base and the top block, the top block is movably buckled and installed on the base, a transmission shaft that extends upward to insert the plug is provided at the upper end of the top block, and a slot for connecting to the nose hair shaving device host is provided at the bottom end of the base.

[0012] The nose hair shaving head that is easy to clean as described above is characterized in that a clamping plate is provided at the bottom end of the static blade, and a fixing groove for clamping the clamping plate is provided at the top end of the inner wall of the outer shell.

[0013] The nose hair shaving head that is easy to clean as described above is characterized in that the static blade and the outer shell are integrated into one piece and are made of metal.

[0014] A nose hair shaver using the above-mentioned nose hair shaving head is characterized in that it includes a nose hair shaving head and a main unit, the main unit includes a main unit shell, a cap and a bottom shell, a mounting frame is provided in the main unit shell, a motor, a battery and a circuit board are provided in the mounting frame, a display for displaying power and operating status is provided on the circuit board, a light-transmitting sheet and a button are provided on the main unit shell, a charging connector is provided on the bottom shell, a column for plugging into the slot 16 is provided on the motor shaft of the motor, and a limiting connector is provided at the top of the main unit shell and on the outside of the transmission assembly 11.

[0015] The nose hair shaver as described above is characterized in that a fixing plate is provided at the top of the mounting frame, a shock-absorbing gasket is provided between the fixing plate and the motor, and a dust-proof gasket is provided at the upper end of the fixing plate. Beneficial effects

[0016] Compared with the prior art, the present invention has the following advantages:

[0017] The nose hair shaving head of the present invention is easy to clean. It is provided with a plug and a storage cavity. The outer wall of the movable knife fits with the inner wall of the stationary knife, which can collect broken hair debris in the storage cavity at the blade edge, effectively preventing the broken hair debris from falling into the deep part of the knife head. When cleaning, it is only necessary to pour the broken hair debris in the storage cavity out of the blade edge and then clean the outer surface of the stationary knife, or directly rinse the stationary knife part of the nose hair shaving head. The broken hair debris can be cleaned without disassembling the knife head. The cleaning process is simple and convenient. At the same time, since the outer wall of the movable knife fits with the inner wall of the stationary knife and the gap is smaller than the diameter of the nose hair, it can prevent hair from being pinched, thereby improving the user experience.

[0018] The nose hair shaving head of the present invention is easy to clean, and the static knife and the movable knife are both cylindrical, and the movable knife is concentric and coaxial with the static knife. At the same time, the outer wall of the movable knife fits with the inner wall of the static knife, so that the transmission component can be fine-tuned through the constraint of the force between the movable knife and the static knife, so that the movable knife and the motor shaft in the nose hair shaving device host are kept in a highly concentric state, which can effectively reduce the vibration of the nose hair shaving head during operation and reduce noise. In addition, the edges of the static knife teeth and the movable knife teeth form a shearing angle, and the scissor-like shearing angle can quickly cut off the nose hair and improve the shearing efficiency.

[0019] The nose hair shaver of the present invention adopts the nose hair shaver head. After use, the cut hair debris will be stored in the storage cavity, which can prevent the broken hair debris from falling into the outer shell of the nose hair shaver head or the main body. When cleaning, it is only necessary to pour the broken hair debris in the storage cavity out from the blade edge and then wipe the outer surface of the static blade with a wet wipe or a paper towel, or directly rinse the static blade part of the nose hair shaver head with water. There is no need to disassemble the nose hair shaver head for cleaning. The cleaning is convenient and quick without leaving broken hair debris. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] FIG1 is a perspective view of a first embodiment of the nose hair shaving head;

[0021] FIG2 is a front view of the first embodiment of the nose hair shaving head;

[0022] FIG3 is a cross-sectional view taken along the AA direction in FIG2 ;

[0023] FIG4 is a first exploded view of the first embodiment of the nose hair shaving head;

[0024] FIG5 is a second exploded view of the first embodiment of the nose hair shaving head;

[0025] FIG6 is a third exploded view of the first embodiment of the nose hair shaving head;

[0026] FIG7 is a fourth exploded view of the first embodiment of the nose hair shaving head;

[0027] FIG8 is a top view of the second embodiment of the nose hair shaving head;

[0028] FIG9 is a cross-sectional view taken along the line BB in FIG8 ;

[0029] FIG10 is a first exploded view of the second embodiment of the nose hair shaving head;

[0030] FIG11 is a second exploded view of the second embodiment of the nose hair shaving head;

[0031] FIG12 is a perspective view of the nose hair shaving device;

[0032] FIG13 is an exploded view of the nose hair shaving device host;

[0033] In the figure: 1 is the outer shell; 2 is the bottom cover; 3 is the static knife; 4 is the static knife teeth; 5 is the movable knife; 6 is the movable knife teeth; 7 is the knife edge; 8 is the plug; 9 is the storage cavity; 10 is the receiving groove; 11 is the transmission assembly; 12 is the base; 13 is the top block; 14 is the transmission shaft; 15 is the spring; 16 is the slot; 17 is the clamping block; 18 is the jack; 19 is the clamping hole; 20 is the clamping block; 21 is the clamping slot; 22 is the first through hole; 23 is the limit mounting piece ; 24 is the second through hole; 25 is the protective head; 26 is the concave ring; 27 is the card plate; 28 is the fixing groove; 29 is the main body shell; 30 is the cap; 31 is the bottom shell; 32 is the mounting bracket; 33 is the motor; 34 is the battery; 35 is the circuit board; 36 is the display; 37 is the light-transmitting sheet; 38 is the button; 39 is the charging connector; 40 is the plug column; 41 is the limit connector; 42 is the fixing plate; 43 is the shock-absorbing gasket; 44 is the dust-proof gasket. Modes for Carrying Out the Invention

[0034] The technical features of the present invention are further described in detail below in conjunction with the accompanying drawings so that those skilled in the art can understand. The directions such as up, down, left and right described in the text are consistent with the directions shown in the accompanying drawings of the specification.

[0035] A nose hair shaving head that is easy to clean, as shown in Figures 1 to 11, includes an outer shell 1, a static knife 3 is provided at the top of the outer shell 1, a movable knife 5 is rotatably provided in the static knife 3, the outer wall of the movable knife 5 is in contact with the inner wall of the static knife 3, a cutting edge 7 is provided at the top of the static knife 3, a plug 8 is provided in the movable knife 5 for preventing broken hair debris from falling into the deep inside of the cutter head, a storage cavity 9 for centrally accommodating broken hair debris is formed between the cutting edge 7 and the plug 8, a transmission assembly 11 for driving the movable knife 5 to rotate is provided in the outer shell 1 and below the movable knife 5, and a transmission assembly 11 for driving the movable knife 5 to rotate is provided in the transmission assembly A bottom cover 2 fixedly connected to the outer shell 1 is provided below the component 11. The above structure can collect broken hair debris in the storage cavity 9 when the nose hair shaving head is used to shave nose hair. The plug 8 can effectively prevent broken hair debris from falling into the deep of the head. When cleaning, it is only necessary to rinse the static knife part of the nose hair shaving head. The broken hair debris can be cleaned without disassembling the head. The cleaning process is simple and convenient. At the same time, since the outer wall of the movable knife 5 fits with the inner wall of the static knife 3, it can prevent hair from being clamped and improve the user experience. The first embodiment of the nose hair shaving head is shown in Figures 1 to 7, and the second embodiment is shown in Figures 8 to 11.

[0036] Specifically, the static knife 3 includes a number of static knife teeth 4 arranged at equal intervals, and a protective head 25 is provided at one end of the static knife 3 located at the blade 7. The protective head 25 is a structure that bends inwardly toward the blade 7, which can eliminate the sharp edges of the contact part of the static knife 3 with the nasal cavity, and prevent the static knife 3 from stinging or scratching the nasal cavity, so as to improve the user experience. A number of dynamic knife teeth 6 with inclined edges are provided at the top of the dynamic knife 5, and the static knife teeth 4 form a shearing angle with the edges of the dynamic knife teeth 6. The inclined static knife teeth 4 can effectively guide the nose hair from the blade 7 into the static knife teeth 4 for shearing, and the scissor-like shearing angle can quickly cut off the nose hair, thereby effectively improving the shearing efficiency.

[0037] In addition, the stationary blade 3 and the movable blade 5 are both cylindrical, and the movable blade 5 is concentric and coaxial with the stationary blade 3. As shown in Figures 3 to 7, in the first embodiment of the nose hair shaving head, a concave ring 26 is provided in the middle section of the outer wall of the movable blade 5. The concave ring 26 can reduce the contact area between the outer wall of the movable blade 5 and the inner wall of the stationary blade 3, so as to reduce the rotational friction between the movable blade 5 and the stationary blade 3, so that the movable blade 5 rotates more smoothly, and the gap between the upper end of the outer wall of the movable blade 5 and the inner wall of the stationary blade 3 is small. The clearance range is 0.01mm~0.1mm for the diameter of nose hair, which can effectively prevent nose hair debris from falling into the deep of the cutter head and prevent hair from being pinched. Moreover, the movable cutter 5 and the static cutter 3 are highly concentric, so that the transmission assembly 11 can be fine-tuned through the constraint of the force between the movable cutter 5 and the static cutter 3, reducing the eccentricity error between the motor shaft in the nose hair shaver main unit and the central axis of the movable cutter 5, which can effectively reduce the vibration of the nose hair shaver head during operation and reduce noise.

[0038] Specifically, a receiving groove 10 for expanding the volume of the storage chamber 9 is provided at one end of the plug 8 close to the blade 7. The receiving groove 10 can concentrate broken hair debris to the bottom of the storage chamber 9, and the broken hair debris can be poured out from the blade 7 during cleaning. A clamping block 17 is provided at the bottom end of the plug 8, and a clamping hole 19 for passing through the clamping block 17 is provided on the bottom surface of the movable knife 5. A socket 18 for connecting the transmission assembly 11 to drive the movable knife 5 to rotate synchronously with the transmission assembly 11 is provided at the center of the bottom end of the plug 8.

[0039] Specifically, as shown in Figures 9 to 11, in the second embodiment of the nose hair shaving head, a clamping block 20 is provided below the movable knife 5 to cooperate with the plug 8 to clamp the movable knife 5, a card slot 21 for inserting the card block 17 is provided on the clamping block 20, and a first through hole 22 for passing the transmission shaft 14 is provided at the center of the clamping block 20. The movable knife 5 is clamped and assembled by the plug 8 and the clamping block 20 to ensure synchronous rotation between the three. At the same time, the plug 8 is tightly plugged into the transmission shaft 14 through the jack 18 to ensure that the movable knife 5 rotates with the transmission assembly 11. Synchronously rotate, a limit mounting piece 23 for preventing the movable knife 5 from falling off is provided inside the outer shell 1 and below the clamping block 20, the transmission assembly 11 is located inside the limit mounting piece 23, the top end of the top block 13 is against the inner wall of the top end of the limit mounting piece 23, and a second through hole 24 for passing the transmission shaft 14 is provided at the center of the top end of the limit mounting piece 23, the outer shell 1 and the bottom cover 2 are assembled and fixed by buckling, the limit mounting piece 23 is buckled and installed inside the outer shell 1 and the top end of the bottom cover 2 is against the limit mounting piece 23.

[0040] Specifically, the transmission assembly 11 includes a base 12, on which is provided a top block 13 that rotates synchronously with the base 12, and a spring 15 is provided between the base 12 and the top block 13. The top block 13 is movably buckled and installed on the base 12, and a transmission shaft 14 that extends upward to be inserted into the socket 18 is provided at the upper end of the top block 13. The top block 13 and the base 12 can be movably fine-tuned to reduce the eccentricity error between the motor shaft in the nose hair shaver main unit, the transmission shaft 14 and the central axis of the movable knife 5, thereby reducing the vibration and reducing the noise. A slot 16 for connecting the nose hair shaver main unit is provided at the bottom end of the base 12.

[0041] Specifically, as shown in Figures 1 to 7, in the first embodiment of the nose hair shaving head, a clamping plate 27 is provided at the bottom end of the static blade 3, and a fixing groove 28 for clamping the clamping plate 27 is provided at the top end of the inner wall of the outer shell 1. During assembly, the static blade 3 only needs to be clamped into the fixing groove 28 through the clamping plate 27.

[0042] In addition, as shown in Figures 8 to 11, in the second embodiment of the nose hair shaving head, the static blade 3 and the outer shell 1 are integrated and are made of metal, which can be processed and produced by a stamping process, thereby enhancing production efficiency and making the appearance of the nose hair shaving head more exquisite.

[0043] A nose hair shaver using the above-mentioned nose hair shaving head, as shown in Figures 12 and 13, includes a nose hair shaving head and a main unit. Specifically, the main unit includes a main unit shell 29, a cap 30 and a bottom shell 31. A mounting bracket 32 ​​is provided in the main unit shell 29, and a motor 33, a battery 34 and a circuit board 35 are provided in the mounting bracket 32. A display 36 for displaying the power and operating status is provided on the circuit board 35. A light-transmitting sheet 37 and a button 38 are provided on the main unit shell 29, and a charging connector 39 is provided on the bottom shell 31. A plug 40 for plugging into the slot 16 is provided on the motor shaft of the motor 33, and the plug 40 rotates synchronously with the transmission assembly 11. A limiting connector 41 is provided at the top of the main unit shell 29 and on the outside of the transmission assembly 11. The limiting connector 41 is fixedly mounted on the top of the main unit shell 29 and nested on the base 12, which can maintain the stability of the transmission assembly 11 and prevent the transmission assembly 11 from shaking when rotating at high speed.

[0044] In addition, a fixing plate 42 is provided at the top of the mounting frame 32, and a shock-absorbing gasket 43 is provided between the fixing plate 42 and the motor 33. The shock-absorbing gasket 43 is made of soft rubber, which can reduce the vibration of the motor 33 when it is running and reduce the noise to improve the user experience. A dust-proof gasket 44 is provided at the upper end of the fixing plate 42, which can prevent dust or broken hair debris from entering the main unit when the nose hair shaving head and the main unit are separated.

[0045] The embodiments described in the present invention are merely descriptions of preferred implementations of the present invention and are not limited to the precise structures described above and shown in the accompanying drawings. Various modifications and changes can be made without departing from the scope thereof. Without departing from the design concept of the present invention, various variations and improvements made to the technical solutions of the present invention by engineers and technicians in this field should fall within the scope of protection of the present invention.

Claims

1. A nose hair trimmer head that is convenient for cleaning, characterized in that: It includes a housing (1). A stationary blade (3) is provided at the top of the housing (1). A movable blade (5) is rotatably provided within the stationary blade (3). The outer wall of the movable blade (5) is in contact with the inner wall of the stationary blade (3). A cutting edge (7) is provided at the top of the stationary blade (3). A plug (8) for preventing broken hair debris from falling into the deep part of the cutter head is provided within the movable blade (5). A storage cavity (9) for centrally accommodating broken hair debris is formed between the cutting edge (7) and the plug (8). A transmission assembly (11) for driving the rotation of the movable blade (5) is provided within the housing (1) and below the movable blade (5). A bottom cover (2) fixedly connected to the housing (1) is provided below the transmission assembly (11).

2. The nose hair trimming cutter head that is convenient for cleaning according to claim 1, wherein: The stationary blade (3) includes a number of stationary blade teeth (4) arranged at equal intervals. A protective head (25) is provided at one end of the stationary blade (3) where the cutting edge (7) is located. A number of movable blade teeth (6) with inclined edges are provided at the top of the movable blade (5). A shearing angle is formed between the edges of the stationary blade teeth (4) and the movable blade teeth (6).

3. The nasal hair trimmer head that is easy to clean according to claim 1, wherein: Both the stationary blade (3) and the movable blade (5) are cylindrical. The movable blade (5) is concentric and coaxial with the stationary blade (3). A concave ring (26) for reducing rotational friction is provided in the middle section of the outer wall of the movable blade (5). The gap between the upper end of the outer wall of the movable blade (5) and the inner wall of the stationary blade (3) is smaller than the diameter of nasal hair, and the gap range is 0.01 mm to 0.1 mm.

4. The nasal hair trimmer head that is convenient for cleaning according to claim 1, wherein: A receiving groove (10) for expanding the volume of the storage cavity (9) is provided at one end of the plug (8) close to the cutting edge (7). A clamping block (17) is provided at the bottom end of the plug (8). A clamping hole (19) for clamping the clamping block (17) is provided on the bottom surface of the movable blade (5). A jack (18) for connecting the transmission assembly (11) to drive the synchronous rotation of the movable blade (5) with the transmission assembly (11) is provided at the center of the bottom end of the plug (8).

5. The nose hair trimming cutter head facilitating cleaning according to claim 4, wherein: A clamping block (20) for cooperating with the plug (8) to clamp the movable blade (5) is provided below the movable blade (5). A clamping groove (21) for inserting the clamping block (17) is provided on the clamping block (20). A first through hole (22) is provided at the center of the clamping block (20). A limiting mounting member (23) for preventing the movable blade (5) from falling off is provided within the housing (1) and below the clamping block (20). A second through hole (24) is provided at the center of the top end of the limiting mounting member (23).

6. The nose hair trimming cutter head that is convenient for cleaning according to any one of claims 1 to 5, characterized in that: The transmission assembly (11) includes a base (12). A top block (13) that rotates synchronously with the base (12) is provided on the base (12). A spring (15) is provided between the base (12) and the top block (13). The top block (13) is movably snap-fitted on the base (12). A transmission shaft (14) that extends upward to insert the plug head (8) is provided at the upper end of the top block (13). A slot (16) for connecting to the nose hair trimmer main body is provided at the bottom end of the base (12).

7. The nose hair trimmer head facilitating cleaning according to claim 6, characterized in that: A clamping plate (27) is provided at the bottom end of the stationary cutter (3). A fixing groove (28) for clamping the clamping plate (27) is provided at the top end of the inner wall of the outer housing (1).

8. The nose hair trimming cutter head that is convenient for cleaning according to claim 6, characterized in that: The stationary cutter (3) and the outer housing (1) are an integral part and are made of metal.

9. A nasal hair trimmer, comprising a nasal hair trimming cutter head and a main body, characterized in that: Adopt the nose hair trimming cutter head according to claim 7 or 8. The main body includes a main body housing (29), a cap (30) and a bottom shell (31). An installation frame (32) is provided inside the main body housing (29). A motor (33), a battery (34) and a circuit board (35) are provided inside the installation frame (32). A display (36) for displaying the battery level and operating status is provided on the circuit board (35). A light-transmitting sheet (37) and a key (38) are provided on the main body housing (29). A charging connector (39) is provided on the bottom shell (31). A plug post (40) for inserting into the slot (16) is provided on the motor shaft of the motor (33). A limiting connecting member (41) is provided at the top end of the main body housing (29) and outside the transmission assembly (11).

10. The nose hair trimmer according to claim 9, characterized in that: A fixing plate (42) is provided at the top end of the installation frame (32). A shock-absorbing gasket (43) is provided between the fixing plate (42) and the motor (33). A dust-proof gasket (44) is provided at the upper end of the fixing plate (42).

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