WO2023246126A1

WO2023246126A1 - Shaver with rotatable blade head

Info

Publication number: WO2023246126A1
Application number: PCT/CN2023/075989
Authority: WO
Inventors: 董子怡; 肖华
Original assignee: 董子怡
Priority date: 2022-06-25
Filing date: 2023-02-14
Publication date: 2023-12-28
Also published as: CN115091510A

Abstract

Provided is a shaver with a rotatable blade head. The shaver comprises a blade head assembly (1) and a main machine (2). A motor (203) is installed at the upper end of the inside of the main machine (2). A bottom end of the blade head assembly (1) is provided with an eccentric shaft (5) used for driving the reciprocal motion of a blade. An included angle formed between the eccentric shaft (5) and a motor shaft of the motor (203) is a right angle or an obtuse angle. A rotating assembly (3) used for rotating and adjusting the angle of the blade head is arranged between the main machine (2) and the blade head assembly (1). And the motor shaft of the motor (203) has connected thereto a transmission assembly (4) used for driving the rotation of the eccentric shaft (5). The angle of the blade head can be adjusted according to the hair at different parts of the human body, making the shaver convenient to hold and use.

Description

A shaver with a rotatable blade

Technical field

The present invention relates to the technical field of shavers, and in particular to a shaver with a rotatable cutter head.

Background technique

Shaving is a commonly used care tool in life. Men often use shavers to trim beards and body hair. For women who love beauty, shavers are often used to remove body hair on legs, armpits, private parts, etc.

technical problem

Most of the existing shaver heads and bodies are T-shaped, which is only convenient for shaving body hair in certain areas of the human body. It is difficult to clean body hair in private parts of the human body and other parts, making it inconvenient to use.

Technical solutions

In order to solve the problem that the existing shaver cannot adjust the shaving angle of the cutter head and is inconvenient to use, the present invention provides a shaver with a rotatable cutter head.

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

A shaver with a rotatable cutter head, which is characterized in that it includes a cutter head assembly and a main machine. A motor is installed at the upper end of the main frame. The bottom end of the cutter head assembly is provided with a device for driving the blade to reciprocate. An eccentric shaft, the angle formed by the eccentric shaft and the motor shaft of the motor is a right angle or an obtuse angle. A rotating assembly for rotating and adjusting the angle of the cutter head is provided between the main machine and the cutter head assembly. The motor shaft of the motor is connected with a transmission component for driving the eccentric shaft to rotate.

The shaver with a rotatable cutter head as described above is characterized in that: the rotating assembly includes a cutter head lower shell, a connecting piece and a host connection head, and a first latch is provided on the inner wall of the lower end of the cutter head lower shell. Ring, one end of the connecting piece is provided with an annular first snap ring for snapping into the first snap ring, and a second snap ring is provided on the inner wall of the upper end of the host connector. The other end of the connecting piece is provided with an annular second slot for clamping the second snap ring. The cutter head assembly is installed on the cutter head lower shell, and the cutter head lower shell passes through The connecting piece is rotatably connected to the upper end of the host connector, and the lower end of the host connector is connected and mounted to the top of the host.

The shaver with a rotatable cutter head as described above is characterized in that the rotary assembly includes a lower case of the cutter head and a connection head of the main unit, and a rotary joint is provided at the bottom end of the lower case of the cutter head. The rotary joint It is cylindrical. A sleeve is provided inside the upper end of the host connector. The rotary joint is rotatably nested in the sleeve. A plurality of annular distributions are provided on the outer wall of the bottom end of the rotary joint. The buckle is connected to the bottom surface of the sleeve. The cutter head assembly is installed on the lower shell of the cutter head. The upper end of the connection between the lower shell of the cutter head and the host machine is rotatable. Connect, the lower end of the host connector is connected and installed with the top end of the host.

The shaver with a rotatable cutter head as described above is characterized in that: a first groove is provided at one end of the connecting piece close to the cutter head assembly, a bearing is installed in the first groove, and the eccentric The shaft passes through the bearing and is connected to the transmission assembly.

The shaver with a rotatable cutter head as described above is characterized in that: a second groove is provided in the lower shell of the cutter head, a bearing is installed in the second groove, and the eccentric shaft passes through the The bearing and the lower shell of the cutter head are connected to the transmission assembly. A limiter for preventing the breakage of the cutter head assembly is installed on the side of the main unit connector close to the lower shell of the cutter head. The limiter The bottom end of the positioning member is provided with a fixed piece. The positioning member is cylindrical and rotatably nested in the rotary joint. The outer wall of the positioning member is provided with a fixed piece to facilitate the rotation of the cutter head to a specific position. Angle limit groove, the inner wall of the rotary joint is provided with a corresponding convex block for snapping into the limit groove, and the top end of the host connector is provided with a detachable stopper for installing the limit top cover of the piece.

The shaver with a rotatable cutter head as described above is characterized in that the transmission assembly includes a driving wheel and a transmission wheel meshed with the driving wheel, and the eccentric shaft includes a turntable, a connecting rod and an eccentric rod, so The connecting rod and the eccentric rod are located on both sides of the turntable respectively. The driving wheel is installed and fixed on the motor shaft of the motor. The transmission wheel is installed and fixed on the connecting rod. On the cutter head The bottom end of the assembly is provided with two baffles for matching the eccentric shaft, and the eccentric rod is located between the two baffles.

The shaver with a rotatable cutter head as described above is characterized in that: the driving wheel is a cylindrical gear, the transmission wheel is a single-sided gear, and the cylindrical gear is installed and fixed on the motor shaft of the motor, One end of the single-sided gear is a sawtooth disk, and the other end is a mounting post. The single-sided gear is connected and fixed with the connecting rod through the mounting post.

The shaver with a rotatable cutter head as described above is characterized in that: the driving wheel is a first bevel gear, the transmission wheel is a second bevel gear, and one end of the first bevel gear does not have serrations. It is installed and fixed on the motor shaft of the motor, and the non-serrated end of the second bevel gear is connected and fixed to the connecting rod.

The shaver with a rotatable cutter head as described above is characterized in that: the driving wheel is a worm, the transmission wheel is a worm wheel matching with the worm, and the worm is installed and fixed on the motor shaft of the motor, The non-serrated end of the worm gear is connected and fixed to the connecting rod.

The shaver with a rotatable cutter head as described above is characterized in that: the main body includes an outer shell and an inner shell, the outer shell is provided with buttons, and one side of the inner shell is provided with a circuit board. A battery is provided at the lower end of the inner housing, the motor is located at the upper end of the inner housing, a charging interface is provided on the circuit board, and locks are provided on both sides of the lower end of the host connector. , the inner wall of the upper end of the outer shell is correspondingly provided with a buckling groove for buckling the lock buckle.

beneficial effects

The shaver with a rotatable cutter head of the present invention is provided with a rotating component and a transmission component, so that the cutter head of the shaver can rotate 360°, and the angle of the cutter head can be adjusted according to the hair in different parts of the human body, so that the shaver can The device is easy to hold and use; at the same time, the structural design of the rotating blade allows the blade of the shaver to be quickly adjusted to the appropriate angle when shaving hair on different parts of the human body, enhancing the shaving performance of the shaver. Efficiency; and when the cutter head of the shaver is in working condition, rotating the cutter head to adjust the shaving angle will not affect the work of the cutter head.

The shaver with a rotatable head of the present invention has two embodiments of the rotating component and three embodiments of the transmission component, which can be combined in various ways. Moreover, the structure of the rotating component and the transmission component in the shaver is simple and practical. Under the condition of low production cost, it solves the problem that the existing shaver cannot adjust the shaving angle of the blade, and can conveniently shave the body hair in the private parts of the human body, greatly improving the shaving performance in the private parts of the human body and other parts. Efficiency enhances the experience of using the shaver.

The shaver with a rotatable cutter head of the present invention has a limiting groove and a convex block in the second embodiment of the rotating assembly. When the cutter head of the shaver rotates to be perpendicular, parallel or at an angle of 45° to the main machine, the convex block The block will snap into the limit groove and play a certain limiting role. The more commonly used shaving angles in life are T-shaped with the cutter head perpendicular to the main machine, and I-shaped with the cutter head parallel to the main machine. The limit groove and the convex The block can facilitate the positioning between the cutter head and the host machine. If you continue to rotate the cutter head forcefully, the bump will slide out of the limit groove for the next step of angle adjustment.

Description of the drawings

Figure 1 is a right side view of the shaver when the rotating assembly adopts the first embodiment;

Figure 2 is a cross-sectional view of the shaver in the direction A-A in Figure 1 when both the rotating component and the transmission component adopt the first embodiment;

Figure 3 is a first exploded view of the shaver when both the rotating component and the transmission component adopt the first embodiment;

Figure 4 is a second exploded view of the shaver when both the rotating component and the transmission component adopt the first embodiment;

Figure 5 is a third exploded view of the shaver when both the rotating component and the transmission component adopt the first embodiment;

Figure 6 is a fourth exploded view of the shaver when both the rotating component and the transmission component adopt the first embodiment;

Figure 7 is a fifth exploded view of the shaver when both the rotating component and the transmission component adopt the first embodiment;

Figure 8 is a cross-sectional view of the shaver in the direction A-A in Figure 1 when the first embodiment is used as the rotating component and the second embodiment is used as the transmission component, with the main frame hidden in the figure;

Figure 9 is an exploded view of the shaver when the rotating assembly adopts the first embodiment and the transmission assembly adopts the second embodiment, with the main body and some parts hidden in the figure;

Figure 10 is a cross-sectional view of the shaver in the direction A-A in Figure 1 when the first embodiment is used as the rotating component and the third embodiment is used as the transmission component, with the main frame hidden in the figure;

Figure 11 is an exploded view of the shaver when the rotating assembly adopts the first embodiment and the transmission assembly adopts the third embodiment, with the main machine and some parts hidden in the figure;

Figure 12 is a right view of the shaver when the second embodiment of the rotating assembly is adopted;

Figure 13 is a cross-sectional view of the shaver in the B-B direction of Figure 12, when both the rotating component and the transmission component adopt the second embodiment;

Figure 14 is a first exploded view of the shaver when both the rotating assembly and the transmission assembly adopt the second embodiment;

Figure 15 is a second exploded view of the shaver when both the rotating component and the transmission component adopt the second embodiment;

Figure 16 is a third exploded view of the shaver when both the rotating assembly and the transmission assembly adopt the second embodiment, with the main unit hidden in the figure;

Figure 17 is a fourth exploded view of the shaver when both the rotating assembly and the transmission assembly adopt the second embodiment, with the main unit hidden in the figure;

In the figure: 1 is the cutter head assembly; 101 is the baffle; 2 is the main machine; 201 is the outer shell; 202 is the inner shell; 203 is the motor; 3 is the rotating component; 301 is the connector; 302 is the lower shell of the cutter head; 303 is the host connector; 304 is the first snap ring; 305 is the first snap groove; 306 is the second snap ring; 307 is the second snap groove; 308 is the rotating joint; 309 is the sleeve; 310 is the buckle; 311 312 is the second groove; 313 is the bearing; 314 is the limiting piece; 315 is the fixed piece; 316 is the limiting groove; 317 is the bump; 318 is the top cover; 4 is the transmission component; 401 It is a cylindrical gear; 402 is a single-sided gear; 403 is a sawtooth disk; 404 is a mounting column; 405 is a first bevel gear; 406 is a second bevel gear; 407 is a worm; 408 is a worm gear; 5 is an eccentric shaft; 501 is the turntable; 502 is the connecting rod; 503 is the eccentric rod; 6 is the button; 7 is the circuit board; 8 is the battery; 9 is the charging interface; 10 is the lock; 11 is the buckle slot.

Embodiments of the invention

The technical features of the present invention will be further described in detail below with reference to the accompanying drawings so that those skilled in the field can understand that the present invention only protects its mechanical structure, and the circuit structure is common knowledge.

A shaver with a rotatable cutter head, as shown in Figures 1 to 17, including a cutter head assembly 1 and a host machine 2. A motor 203 is installed at the upper end of the host machine 2. The cutter head assembly 1 is The bottom end is provided with an eccentric shaft 5 for driving the blade to reciprocate. The angle formed by the eccentric shaft 5 and the motor shaft of the motor 203 is a right angle or an obtuse angle. Between the main machine 2 and the cutter head assembly 1 There is a rotating component 3 for rotating and adjusting the angle of the cutter head, and a transmission component 4 for driving the eccentric shaft 5 to rotate is connected to the motor shaft of the motor 203; the rotating component 3 has two embodiments, The first embodiment is shown in Figures 1 to 11, and the second embodiment is shown in Figures 12 to 17. The transmission assembly 4 is provided with three embodiments, and the first embodiment is shown in Figures 2 to 7. The second embodiment is shown in Figures 8 to 9, and the third embodiment is shown in Figures 10 to 11, and the rotating component 3 and the transmission component 4 in the present invention are suitable for various reciprocating electric motors. Knife head.

Specifically, the rotating assembly 3 is used to change the relative angle between the cutter head assembly 1 and the host machine 2 and adjust the shaving angle of the cutter head assembly 1. Since the eccentric shaft 5 and the motor The included angle formed by the motor shaft 203 is a right angle or an obtuse angle, so the cutter head of the shaver can be rotated and adjusted 360° relative to the host 2. The shearing power of the cutter head assembly 1 comes from the motor 203 The transmission assembly 4 is used to change the axis direction of the rotation power of the motor 203 so that the rotation axis of the eccentric shaft 5 is consistent with the rotation axis of the cutter head assembly 1. Therefore, the cutter head assembly 1. Rotational adjustment will not affect its working status.

Specifically, as shown in Figures 1 to 11, the first embodiment of the rotating assembly 3 includes a cutter head lower shell 302, a connecting piece 301 and a host connector 303. The lower end of the cutter head lower shell 302 is A first snap ring 304 is provided on the inner wall, and an annular first slot 305 for snapping the first snap ring 304 is provided at one end of the connector 301, and at the upper end of the host connector 303 A second snap ring 306 is provided on the inner wall of the connector 301, and a second annular slot 307 for snapping the second snap ring 306 is provided at the other end of the connector 301. The cutter head assembly 1 Installed on the lower shell 302 of the cutter head, the lower shell 302 of the cutter head is rotatably connected to the upper end of the host connector 303 through the connector 301, and the lower end of the host connector 303 is connected to the host 2 The top end of the connector 301 is connected and installed; in addition, a first groove 311 is provided at one end of the connector 301 close to the cutter head assembly 1. A bearing 313 is installed in the first groove 311, and the eccentric shaft 5 passes through The bearing 313 is connected with the transmission assembly 4 .

Specifically, the lower shell 302 of the cutter head is buckled on the connecting member 301. Since the first snap ring 304 and the first clamping groove 305 are circular, the lower shell 302 of the cutter head It can rotate 360° relative to the connecting piece 301, which is fastened to the host connector 303. Similarly, since the second snap ring 306 and the second snap groove 307 are both circular rings, shape, so the connecting piece 301 can rotate 360° relative to the host connector 303, and therefore the cutter head assembly 1 can rotate 360° relative to the host 2 to adjust the shaving angle.

Specifically, as shown in Figures 12 to 17, the second embodiment of the rotating assembly 3 includes a cutter head lower shell 302 and a host connection head 303. A rotating assembly is provided at the bottom end of the cutter head lower shell 302. The rotary joint 308 is a cylindrical shape surrounded by a plurality of arc-shaped elastic pieces. The rotary joint 308 and the lower shell 302 of the cutter head are an integral part. There is an upper end of the host connector 303 inside. Sleeve 309. The sleeve 309 and the host connector 303 are an integral piece. The rotary joint 308 is rotatably nested in the sleeve 309. There is an outer wall on the bottom end of the rotary joint 308. A plurality of annularly distributed buckles 310 are provided at the bottom end of the spring piece constituting the rotary joint 308. The buckles 310 are buckled on the bottom surface of the sleeve 309. The cutter head assembly 1 Installed on the lower shell 302 of the cutter head, the lower shell 302 of the cutter head is rotatably connected to the upper end of the host connector 303, and the lower end of the host connector 303 is connected and installed with the top end of the host 2; because The rotary joint 308 and the sleeve 309 are both cylindrical, so the cutter head lower shell 302 can rotate 360° relative to the host connection head 303. Therefore, the cutter head assembly 1 can rotate relative to the host connector 303. The main unit 2 rotates 360° to adjust the shaving angle.

In addition, a second groove 312 is provided in the lower shell 302 of the cutter head. A bearing 313 is installed in the second groove 312. The eccentric shaft 5 passes through the bearing 313 and the lower shell of the cutter head. 302 is connected to the transmission assembly 4, and a limiter 314 for preventing the cutter head assembly 1 from being detached is installed on the side of the host connector 303 close to the cutter head lower shell 302. 314 is also a cylindrical shape surrounded by a plurality of elastic pieces. The limiting member 314 is rotatably nested in the rotary joint 308. The bottom end of the limiting member 314 is provided with a fixed piece 315. The limiting piece 314 and the fixed piece 315 are integrated. The limiting groove 316 is provided on the outer wall of the limiting piece 314 to facilitate the rotation of the cutter head to a specific angle. The corresponding limiting groove 316 is provided on the inner wall of the rotating joint 308. There is a protrusion 317 for snapping into the limiting groove 316, and a removable top cover 318 for installing the limiting member 314 is provided at the top of the host connector 303. The top cover 318 It is buckled or clamped on the host connector 303 .

Specifically, when the cutter head of the shaver rotates to be perpendicular, parallel, or at an angle of 45° to the host machine 2, the bump 317 will snap into the limiting groove 316 to provide a certain limit. Function, the more commonly used shaving angles in life are T-shaped with the cutter head perpendicular to the host 2, and I-shaped with the cutter head parallel to the host 2. The limiting groove 316 and the bump 317 can facilitate The positioning between the cutter head and the host machine 2 is carried out. If the cutter head is continued to be rotated forcefully, the bump 317 will slide out of the limiting groove 316, and the next step of angle adjustment is performed.

Specifically, the transmission assembly 4 includes a driving wheel and a transmission wheel meshed with the driving wheel. The eccentric shaft 5 includes a turntable 501, a connecting rod 502 and an eccentric rod 503. The connecting rod 502 and the eccentric Rods 503 are respectively located on both sides of the turntable 501. The driving wheel is installed and fixed on the motor shaft of the motor 203. The transmission wheel is installed and fixed on the connecting rod 502. On the end of the cutter head assembly 1 The bottom end is provided with two baffles 101 for matching the eccentric shaft 5 , and the eccentric rod 503 is located between the two baffles 101 .

Specifically, as shown in Figures 2 to 7, in the first embodiment of the transmission assembly 4, the driving wheel is a cylindrical gear 401, the transmission wheel is a single-sided gear 402, and the cylindrical gear The gear 401 is installed and fixed on the motor shaft of the motor 203 in an interference plug manner. One end of the single-sided gear 402 is a sawtooth disk 403, and the other end is a mounting post 404. The sawtooth on the sawtooth disk 403 is in contact with the motor shaft of the motor 203. The sawtooth disk 403 is vertically and evenly distributed on the edge of the sawtooth disk 403. The mounting post 404 is rotatably inserted into the connecting piece 301 and connected and fixed with the connecting rod 502 in an interference plugging manner. .

In addition, as shown in Figures 8 to 9, in the second embodiment of the transmission assembly 4, the driving wheel is a first bevel gear 405, and the transmission wheel is a second bevel gear 406, so The non-serrated end of the first bevel gear 405 is installed and fixed on the motor shaft of the motor 203 in an interference plug manner, and the non-serrated end of the second bevel gear 406 is located on the connector 301 and is connected and fixed with the connecting rod 502 in an interference plugging manner.

In addition, as shown in Figures 10 and 11, in the third embodiment of the transmission assembly 4, the driving wheel is a worm 407, and the transmission wheel is a worm wheel 408 that cooperates with the worm 407. The worm 407 is installed and fixed on the motor shaft of the motor 203 in an interference plug-in manner. The non-serrated end of the worm gear 408 is rotatably inserted into the connector 301 and connected to the motor shaft in an interference plug-in manner. The connecting rod 502 is connected and fixed.

Specifically, the host 2 includes an outer housing 201 and an inner housing 202. The outer housing 201 is provided with buttons 6, and one side of the inner housing 202 is provided with a circuit board 7. The inner housing 202 is provided with a circuit board 7. The battery 8 is provided at the lower end of the inner shell 202, the motor 203 is located at the upper end of the inner shell 202, the circuit board 7 is provided with a charging interface 9, and locks are provided on both sides of the lower end of the host connector 303. The buckle 10 is provided with a buckle slot 11 for buckling the lock buckle 10 on the inner wall of the upper end of the outer shell 201. The host connector 303 is buckled or directly plugged into the outer shell 201. .

Claims

A shaver with a rotatable cutter head, which is characterized in that it includes a cutter head assembly (1) and a main machine (2). A motor (203) is installed at the upper end of the main machine (2). The cutter head The bottom end of the assembly (1) is provided with an eccentric shaft (5) for driving the blade to reciprocate. The angle formed by the eccentric shaft (5) and the motor shaft of the motor (203) is a right angle or an obtuse angle. A rotary assembly (3) for rotating and adjusting the angle of the cutter head is provided between the main machine (2) and the cutter head assembly (1), and a motor shaft for driving the eccentric shaft of the motor (203) is connected (5) Rotating transmission assembly (4).
The shaver with a rotatable cutter head according to claim 1, characterized in that: the rotating assembly (3) includes a cutter head lower shell (302), a connecting piece (301) and a host connector (303). A first snap ring (304) is provided on the inner wall of the lower end of the lower shell (302) of the cutter head, and an annular ring is provided at one end of the connector (301) for clamping the first snap ring (304). 304), a second snap ring (306) is provided on the inner wall of the upper end of the host connector (303), and a corresponding annular ring is provided at the other end of the connector (301). , used to snap into the second slot (307) of the second snap ring (306), the cutter head assembly (1) is installed on the cutter head lower shell (302), the cutter head lower shell (302) The connector (301) is rotatably connected to the upper end of the host connector (303), and the lower end of the host connector (303) is connected and installed with the top of the host (2).
The shaver with a rotatable cutter head according to claim 1, characterized in that: the rotating assembly (3) includes a cutter head lower shell (302) and a host connection head (303). The bottom end of (302) is provided with a rotary joint (308). The rotary joint (308) is cylindrical. A sleeve (309) is provided inside the upper end of the host connector (303). The rotary joint (308) is (308) is rotatably nested in the sleeve (309), and a plurality of annularly distributed buckles (310) are provided on the outer wall of the bottom end of the rotary joint (308). The buckles (310) Snapped on the bottom surface of the sleeve (309), the cutter head assembly (1) is installed on the cutter head lower shell (302), and the cutter head lower shell (302) is connected to the host machine. The upper end of (303) is rotatably connected, and the lower end of the host connector (303) is connected and installed with the top end of the host (2).
The shaver with a rotatable cutter head according to claim 2, characterized in that: a first groove (311) is provided at one end of the connecting piece (301) close to the cutter head assembly (1), and the A bearing (313) is installed in the first groove (311), and the eccentric shaft (5) passes through the bearing (313) and is connected to the transmission assembly (4).
The shaver with a rotatable cutter head according to claim 3, characterized in that: a second groove (312) is provided in the lower shell (302) of the cutter head, and the second groove (312) A bearing (313) is installed, and the eccentric shaft (5) passes through the bearing (313) and the lower shell of the cutter head (302) to be connected to the transmission assembly (4). ), a stopper (314) is installed on one side of the cutter head lower shell (302) to prevent the cutter head assembly (1) from detaching, and the bottom end of the stopper (314) is provided with a fixed piece (315), the limiter (314) is cylindrical and rotatably nested in the rotary joint (308), and is provided with a knife on the outer wall of the limiter (314) for convenience. The head rotates to the limit groove (316) at a specific angle. The inner wall of the rotary joint (308) is provided with a corresponding bump (317) for snapping into the limit groove (316). When the host is connected The top of the head (303) is provided with a removable top cover (318) for installing the limiting member (314).
The shaver with a rotatable cutter head according to claim 1, characterized in that: the transmission assembly (4) includes a driving wheel and a transmission wheel meshed with the driving wheel, and the eccentric shaft (5) includes a Turntable (501), connecting rod (502) and eccentric rod (503). The connecting rod (502) and the eccentric rod (503) are located on both sides of the turntable (501) respectively. The driving wheel is installed and fixed. On the motor shaft of the motor (203), the transmission wheel is installed and fixed on the connecting rod (502). There are two pieces at the bottom end of the cutter head assembly (1) for matching the eccentric The baffle (101) of the shaft (5), the eccentric rod (503) is located between the two baffles (101).
The shaver with a rotatable cutter head according to claim 6, characterized in that: the driving wheel is a cylindrical gear (401), the transmission wheel is a single-sided gear (402), and the cylindrical gear (401 ) is installed and fixed on the motor shaft of the motor (203). One end of the single-sided gear (402) is a sawtooth disk (403), and the other end is a mounting post (404). The single-sided gear (402) passes The mounting post (404) is connected and fixed with the connecting rod (502).
The shaver with a rotatable cutter head according to claim 6, characterized in that: the driving wheel is a first bevel gear (405), the transmission wheel is a second bevel gear (406), and the third bevel gear is The non-serrated end of a bevel gear (405) is installed and fixed on the motor shaft of the motor (203), and the non-serrated end of the second bevel gear (406) is connected to the connecting rod (502) fixed.
The shaver with a rotatable cutter head according to claim 6, characterized in that: the driving wheel is a worm (407), the transmission wheel is a worm wheel (408) cooperating with the worm (407), and the The worm (407) is installed and fixed on the motor shaft of the motor (203), and the non-serrated end of the worm gear (408) is connected and fixed to the connecting rod (502).
The shaver with rotatable cutter head according to claim 2 or 3, characterized in that: the main unit (2) includes an outer housing (201) and an inner housing (202), and the outer housing (201) There are buttons (6), a circuit board (7) is provided on one side of the inner housing (202), a battery (8) is provided at the lower end of the inner housing (202), and the motor (203) ) is located at the upper end of the inner housing (202), the circuit board (7) is provided with a charging interface (9), and locks (10) are provided on both sides of the lower end of the host connector (303) , a buckling groove (11) for buckling the lock (10) is correspondingly provided on the inner wall of the upper end of the outer shell (201).