Shaving razor

Abstract

The present application provides technical solutions as follows: a shaver, comprising a first housing, a shaving assembly is arranged at the top of the first housing, a driving motor, a PCB board and a power supply are arranged inside, the power supply provides driving force for the driving motor through the PCB board, and the driving motor drives the shaving assembly; a Hall switch is electrically connected with the PCB board; and a magnet is arranged close to the Hall switch, so that the Hall switch is powered on and the driving motor is started, and the magnet is arranged away from the Hall switch, so that the Hall switch is turned off and the driving motor is powered off. Through the above technical solutions, the following technical effects are achieved: the shaver is started or stopped by the Hall switch, which saves the design space and reduces the product size on the one hand, and on the other hand, the Hall switch is controlled by the relative sliding of the magnet, the shaver is started or stopped in the non-inductive state, and the use experience of the shaver is more friendly.

Description

TECHNICAL FIELD

[0001] The present application relates to the field of personal care technology, in particular to a shaver. BACKGROUND

[0002] In the existing personal care appliance industry, such as shavers, the switch is usually started or stopped by a button. On the one hand, the button switch structure is relatively complex, occupies a large space, and is not conducive to the miniaturization of the shaver, affecting the appearance of the shaver. On the other hand, the button switch is also more prone to failure. SUMMARY

[0003] To solve the above technical problems, the purpose of the present application is to provide a shaver to realize the miniaturization, aestheticization and better use experience of the shaver, and the specific technical solutions are as follows.

[0004] The present application provides the following technical solutions:

[0005] The shaver comprises a first shell, a shaving assembly is arranged on the top of the first shell, a driving motor, a PCB board and a power supply are arranged inside the first shell, the power supply provides driving force for the driving motor through the PCB board, and the driving motor drives the shaving assembly; a Hall switch is electrically connected to the PCB board; and a magnet is arranged close to the Hall switch to make the Hall switch energized and start the driving motor, and the magnet is arranged away from the Hall switch to make the Hall switch turned off and the driving motor de-energized.

[0006] Preferably, a sliding block is further arranged, a long hole is arranged on the first shell, the sliding block slides along the outside of the long hole, the magnet is arranged on the inside of the long hole, and the magnet is assembled and connected with the sliding block.

[0007] Preferably, a rotating shaft and a rotating disc are arranged on the first shell, the rotating disc rotates around the rotating shaft, the magnet is arranged on the inside of the rotating disc, and the magnet is assembled and connected with the edge of the rotating disc.

[0008] Preferably, a groove is arranged on the outside of the first shell, and the magnet slides along the groove.

[0009] Preferably, a second shell is further arranged, the first shell is sleeved in the second shell, the magnet is arranged on the inside of the second shell, and the second shell slides relative to the first shell.

[0010] Preferably, a first protrusion and a second protrusion are arranged on the outside of the first shell, the first protrusion and the second protrusion form a sliding channel of the first shell, a third protrusion and a fourth protrusion are arranged on the inside of the second shell, the third protrusion and the fourth protrusion form a clamping groove, and the magnet is arranged in the clamping groove.

[0011] Preferably, the first protrusion has a slope.

[0012] Preferably, when the second protrusion abuts against the fourth protrusion, the shaving assembly is exposed, the magnet is close to the Hall switch, the power supply is turned on and the driving motor is operated to push the exposed shaving assembly, when the first protrusion abuts against the third protrusion, the magnet is away from the Hall switch, the power supply is turned off.

[0013] Preferably, the position of the Hall switch is within the magnetic field strength range of the magnet.

[0014] Preferably, the Hall switch adopts a standard SOT-23-3L, SOT-553, TO-92S package.

[0015] Through the above technical solution, the technical effects are as follows:

[0016] The razor uses a Hall switch to start or stop, which saves design space and reduces product size, and through relative sliding of the magnet to control the Hall switch, the razor is started or stopped without induction, making the razor more user-friendly. BRIEF DESCRIPTION OF DRAWINGS

[0017] In order to more clearly illustrate the specific embodiments of the present application or the technical solutions in the prior art, the drawings needed in the specific embodiments or the prior art description will be briefly introduced below. Obviously, the drawings in the following description are some embodiments of the present application, and those skilled in the art can obtain other drawings according to these drawings without creative labor.

[0018] Figure 1 is a schematic diagram of the overall structure of the present application.

[0019] Figure 2 is a schematic diagram of the magnet position of embodiment 1 of the present application.

[0020] Figure 3 is a schematic diagram of the magnet position of embodiment 1 of the present application.

[0021] Figure 4 is a schematic diagram of the magnet position of embodiment 2 of the present application.

[0022] Figure 5 is a schematic diagram of the magnet position of embodiment 3 of the present application.

[0023] Figure 6 is an overall structure explosion schematic diagram of embodiment 4 of the present application.

[0024] Figure 7is a schematic view of a cross section of a whole structure of a Hall start state of embodiment 4 of the present application.

[0025] Figure 8 is a schematic view of a cross section of a whole structure of a Hall close state of embodiment 4 of the present application.

[0026] Figure 9 is a schematic view of a side view of a magnet position of embodiment 4 of the present application.

[0027] Wherein, 1, second shell; 11, fourth protrusion; 12, third protrusion; 2, first shell; 21, second protrusion; 22, first protrusion; 3, magnet; 31, long hole; 32, sliding block; 33, rotating disc; 34, groove; 4, Hall switch; 5, PCB board; 6, driving motor; 7, charging port; 8, shaving assembly; 9, rotating shaft. DETAILED DESCRIPTION

[0028] The technical solutions of the present application will be described in detail below with specific embodiments, and it should be understood that these embodiments are only used to illustrate the present application and not to limit the scope of the present application, and after reading the present application, various equivalent modifications of the present application by those skilled in the art fall within the scope defined by the appended claims.

[0029] In the description of the present application, it should be understood that the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present application.

[0030] Embodiment 1

[0031] As Figures 1 to 3 shown in a specific embodiment of the present application.

[0032] As Figure 1 , Figure 2 , Figure 3As shown, the shaver comprises a first housing 2, a shaving assembly 8 arranged on the top of the first housing 2, a driving motor 6, a PCB 5 and a power source arranged inside the first housing 2, the power source provides driving force for the driving motor 6 through the PCB 5, and the driving motor 6 drives the shaving assembly 8; a Hall switch 4 electrically connected to the PCB 5; and a magnet 3 arranged close to the Hall switch 4 to make the Hall switch 4 energized and start the driving motor 6, and the magnet 3 is arranged away from the Hall switch 4 to make the Hall switch 4 off and make the driving motor 6 de-energized.

[0033] It should be further explained that in the embodiment, the shaving assembly 8 refers to the working part of the shaver, including the static cutter, the dynamic cutter and the fixing bracket thereof, etc., and the shaving assembly 8 does not belong to the improvement of the present application, so its structure is not further described in the specification; in addition, the power source usually adopts the rechargeable lithium battery, and the power source does not belong to the improvement of the present application, so its structure and position are not further described in the specification; in the embodiment, the magnet 3 is moved, when the magnet 3 is close to the Hall switch 4, the Hall switch 4 is energized and the driving motor 6 is started, so that the shaving assembly 8 starts to work, when the magnet 3 is away from the Hall switch 4, the Hall switch 4 is off and the driving motor 6 is de-energized, so that the shaving assembly 8 stops working; in the embodiment, the charging port 7 is electrically connected to the PCB 5, that is, it is integrated on the PCB 5, and the Hall switch 4 is also integrated on the PCB 5, at the same time, when the PCB 5 is designed and installed, the side with the Hall switch 4 is close to the position where the magnet 3 is arranged, so that the Hall switch 4 is within the magnetic field strength influence range of the magnet 3.

[0034] Further, as shown in Figure 2 , Figure 3 In the embodiment, a sliding block 32 is further arranged, the first housing 2 is provided with a long hole 31, the sliding block 32 slides along the outside of the long hole 31, and the magnet 3 is arranged on the inside of the long hole 31, and the magnet 3 is assembled and connected with the sliding block 32.

[0035] It should be further explained that, as shown in Figure 2 and Figure 3 In the embodiment, the magnet 3 is arranged on the inside of the first housing 2, in order to change the position of the magnet 3, the long hole 31 is arranged at the moving range of the magnet 3 in the first housing 2, the sliding block 32 is arranged on the outside of the long hole 31, the sliding block 32 is assembled and connected with the magnet 3 by a protrusion passing through the long hole 31, when the sliding block 32 slides along the long hole 31, the position of the magnet 3 is changed, that is, the magnet 3 is close to or away from the Hall switch, so that the starting or stopping of the Hall switch is realized, it should be further explained that the assembly and connection between the magnet 3 and the sliding block 32 is a detachable connection formed by a clamping structure.

[0036] Further, as shown in Figures 1 to 3As shown, in the embodiment, the position of the Hall switch 4 is within the magnetic field strength range of the magnet 3.

[0037] It should be further explained that the distance and position of the magnet 3 and the Hall switch 4 depend on the magnetic field strength range of the magnet 3, and there is no specific positional relationship between the two, so any improvement on the relative position of the magnet 3 and the Hall switch 4 based on the embodiment should fall within the protection scope of the present application.

[0038] Further, in the embodiment, the Hall switch adopts standard SOT-23-3L, SOT-553, TO-92S packaging.

[0039] It should be further explained that the Hall switch 4 is packaged and manufactured in different standards, such as standard SOT-23-3L, SOT-553, TO-92S packaging, which has no substantial difference in principle and falls within the protection scope of the present application.

[0040] Through the above embodiment, the razor adopts a Hall switch to start or stop, which saves design space and reduces product size in the first aspect, and in the second aspect, the Hall switch is controlled by the relative sliding of the magnet to realize the start or stop of the razor in the non-inductive case, so that the use experience of the razor is more friendly, and in the third aspect, the sliding block design is simple in structure and not easy to damage or fatigue, and has a longer service life.

[0041] Embodiment 2

[0042] As shown in the specific embodiment of the razor of the present application. Figure 1 , Figure 4 As shown in the specific embodiment of the razor of the present application.

[0043] As shown in the specific embodiment of the razor of the present application. Figure 1 , Figure 4 As shown, the razor comprises a first shell 2, a shaving assembly 8 is arranged at the top of the first shell 2, a driving motor 6, a PCB board 5 and a power supply are arranged inside, the power supply provides driving force for the driving motor 6 through the PCB board 5, and the driving motor 6 drives the shaving assembly 8; a Hall switch 4 is electrically connected to the PCB board 5; a magnet 3 is arranged close to the Hall switch 4 to make the Hall switch 4 be powered on and start the driving motor 6, and the magnet 3 is away from the Hall switch 4 to make the Hall switch 4 be turned off and make the driving motor 6 be powered off.

[0044] It needs to be further explained that in the embodiment, the shaving assembly 8 refers to the working part of shaving, including static knives, moving knives and their fixed supports, etc., because the shaving assembly 8 does not belong to the improvement content of the application, its structure is not further expanded in the description; in addition, the power supply usually adopts a rechargeable lithium battery, and the power supply does not belong to the improvement content of the application, its structure and position are not further expanded in the description; in the embodiment, the moving magnet 3, when the magnet 3 is close to the Hall switch 4, the Hall switch 4 is powered on and the driving motor 6 is started, so that the shaving assembly 8 starts to work, when the magnet 3 is away from the Hall switch 4, the Hall switch 4 is turned off and the driving motor 6 is powered off, so that the shaving assembly 8 stops working; in the embodiment, the charging port 7 is electrically connected to the PCB board 5, that is, integrated on the PCB board 5, the Hall switch 4 is also integrated on the PCB board 5, at the same time, the PCB board 5 is designed and installed, the side with the Hall switch 4 is close to the position of the magnet 3, so that the Hall switch 4 is in the magnetic field strength influence range of the magnet 3.

[0045] Further, as shown in Figure 4 , in the embodiment, the first shell 2 is provided with a rotating shaft 9 and a rotating disc 33, the rotating disc 33 rotates around the rotating shaft 9, the magnet 3 is arranged on the inner side of the rotating disc 33, and the magnet 3 is assembled and connected with the edge of the rotating disc 33.

[0046] It needs to be further explained that, as shown in Figure 4 , in the embodiment, the magnet 3 is on the inner side of the first shell 2, in order to change the position of the magnet 3, the rotating shaft 9 and the rotating disc 33 are arranged at the moving range of the magnet 3 in the first shell 2, the edge of the rotating disc 33 is assembled and connected with the magnet 3, when the rotating disc 33 rotates along the rotating shaft 9, the position of the magnet 3 is changed, that is, the magnet 3 is close to or away from the Hall switch, so as to realize the start or stop of the Hall switch.

[0047] Further, as shown in Figure 1 , Figure 4 , in the embodiment, the position of the Hall switch 4 is in the magnetic field strength range of the magnet 3.

[0048] It needs to be further explained that the distance and position of the magnet 3 and the Hall switch 4 depend on the magnetic field strength range of the magnet 3, and there is no specific positional relationship between them, therefore, on the basis of the embodiment, only the improvement of the relative position of the magnet 3 and the Hall switch 4 should fall within the protection scope of the application.

[0049] Further, in the embodiment, the Hall switch adopts standard SOT-23-3L, SOT-553, TO-92S packaging.

[0050] It needs to be further explained that the Hall switch 4 is packaged and manufactured in different standards, such as standard SOT-23-3L, SOT-553, TO-92S package, which has no substantial difference from the principle point of view and belongs to the protection scope of the present application.

[0051] Through the above embodiment, the razor adopts the Hall switch to start or stop, the first aspect saves the design space and reduces the product size, the second aspect, by controlling the Hall switch through the relative sliding of the magnet, the razor is started or stopped in the non-inductive case, so that the use experience of the razor is more friendly, the third aspect, the turntable design, the structure is simple, not easy to damage or fatigue, and the service life is longer.

[0052] Embodiment 3

[0053] As shown in the specific embodiment of the razor of the present application. Figure 1 、 Figure 5 As shown in the specific embodiment of the razor of the present application.

[0054] As shown in the specific embodiment of the razor of the present application. Figure 1 、 Figure 5 As shown in the specific embodiment of the razor of the present application.

[0055] It needs to be further explained that in the present embodiment, the shaving assembly 8 refers to the working part of shaving, including static knife, moving knife and its fixing bracket, etc., because the shaving assembly 8 does not belong to the improvement content of the present application, its structure is not further explained in the specification; in addition, the power supply usually adopts rechargeable lithium battery, and the power supply does not belong to the improvement content of the present application, its structure and position are not further explained in the specification; in the present embodiment, the moving magnet 3, when the magnet 3 is close to the Hall switch 4, the Hall switch 4 is powered on and the driving motor 6 is started, so that the shaving assembly 8 starts work, when the magnet 3 is away from the Hall switch 4, the Hall switch 4 is closed and the driving motor 6 is powered off, so that the shaving assembly 8 stops work; in the present embodiment, the charging port 7 is electrically connected with the PCB board 5, that is, integrated on the PCB board 5, the Hall switch 4 is also integrated on the PCB board 5, at the same time, the PCB board 5 is designed and installed, the side with the Hall switch 4 is close to the position where the magnet 3 is located, so that the Hall switch 4 is in the magnetic field strength influence range of the magnet 3.

[0056] Further, as shown in the specific embodiment of the razor of the present application. Figure 5As shown in the embodiment, a groove 34 is arranged outside the first housing 2, and the magnet 3 slides along the groove 34.

[0057] It should be further explained that, as Figure 5 shown in the embodiment, the magnet 3 is located in the groove 34 outside the first housing 2, the groove 34 has a certain length, and the magnet 3 changes the position by sliding in the groove 34, so as to change the position of the magnet 3, that is, to realize the approach or departure of the magnet 3 to the Hall switch, thereby realizing the start or stop of the Hall switch.

[0058] Further, as Figure 1 , Figure 5 shown in the embodiment, the position of the Hall switch 4 is located in the magnetic field strength range of the magnet 3.

[0059] It should be further explained that the distance and position arrangement of the magnet 3 and the Hall switch 4 depend on the magnetic field strength range of the magnet 3, and there is no specific positional relationship between them, so that any improvement on the relative position of the magnet 3 and the Hall switch 4 based on the embodiment should fall within the protection scope of the present application.

[0060] Further, in the embodiment, the Hall switch adopts standard SOT-23-3L, SOT-553, TO-92S packaging.

[0061] It should be further explained that the Hall switch 4 is packaged and manufactured in different standards, such as standard SOT-23-3L, SOT-553, TO-92S packaging, which has no substantial difference from the principle point of view, and all falls within the protection scope of the present application.

[0062] Through the above embodiment, the razor adopts the Hall switch to start or stop, which saves the design space and reduces the product size in the first aspect, in the second aspect, the Hall switch is controlled by the relative sliding of the magnet, so as to realize the start or stop of the razor in the non-inductive case, so that the use experience of the razor is more friendly, and in the third aspect, the groove design is simple and not easy to damage or fatigue, and has a longer service life.

[0063] Embodiment 4

[0064] As Figure 1 , Figures 6 to 9 shown in the embodiment of the razor of the present application.

[0065] As Figure 1 , Figures 6 to 9As shown, the shaver includes a first housing 2, a shaving assembly 8 disposed on the top of the first housing 2, a drive motor 6, a PCB board 5, and a power supply disposed inside the first housing 2. The power supply provides driving force to the drive motor 6 through the PCB board 5, and the drive motor 6 drives the shaving assembly 8. A Hall switch 4 is electrically connected to the PCB board 5. A magnet 3 is present; when the magnet is close to the Hall switch 4, it energizes the Hall switch 4 and starts the drive motor 6; when the magnet is away from the Hall switch 4, it turns off the Hall switch 4 and de-energizes the drive motor 6.

[0066] It should be further explained that, in this embodiment, the shaving assembly 8 refers to the shaving working part, including the stationary blade, the moving blade, and its fixing bracket, etc. Since the shaving assembly 8 is not an improvement of the present invention, its structure is not further described in the specification; in addition, the power supply is usually a rechargeable lithium battery, which is not an improvement of the present invention, and its structure and position are not further described in the specification; in this embodiment, the moving magnet 3, when the magnet 3 is close to the Hall switch 4, energizes the Hall switch 4 and starts the drive motor 6, thereby causing the shaving assembly 8 to start working; when the magnet 3 is away from the Hall switch 4, the Hall switch 4 is turned off and the drive motor 6 is de-energized, thereby causing the shaving assembly 8 to stop working; in this embodiment, the charging port 7 is electrically connected to the PCB board 5, that is, integrated on the PCB board 5. The Hall switch 4 is also integrated on the PCB board 5. At the same time, during the design and installation of the PCB board 5, the side with the Hall switch 4 is close to the position of the magnet 3 so that the Hall switch 4 is within the influence range of the magnetic field strength of the magnet 3.

[0067] Furthermore, such as Figure 7 As shown, in this embodiment, a second housing 1 is also included, the first housing 2 is sleeved inside the second housing 1, the magnet 3 is disposed inside the second housing 1, and the second housing 1 slides relative to the first housing 2.

[0068] It needs to be further explained that, such as Figure 7 As shown, in this embodiment, a second housing 1 is sleeved around the first housing 2, and the magnet 3 is disposed inside the first housing 2. By sliding the second housing 1 relative to the first housing 2, the position of the magnet 3 can be changed, that is, the magnet 3 can move closer to or away from the Hall switch, thereby controlling the start or stop of the Hall switch.

[0069] Furthermore, such as Figures 7 to 9 As shown, in this embodiment, the outer side of the first housing 2 includes a first protrusion 22 and a second protrusion 21, and a first housing slide is formed between the first protrusion 22 and the second protrusion 21. The inner side of the second housing 1 includes a third protrusion 12 and a fourth protrusion 11, and a slot is formed between the third protrusion 12 and the fourth protrusion 11. The magnet 3 is disposed in the slot.

[0070] It needs to be further explained that, as shown in the embodiment, the magnet 3 arranged in the card slot slides along the first shell slide, realizing the change of the position of the magnet 3, that is, realizing the magnet 3 approaching or moving away from the Hall switch, thereby realizing the control of the start or stop of the Hall switch. Figures 7 to 9

[0071] Further, as shown in the embodiment, the first protrusion 22 has a slope. Figures 7 to 9

[0072] It needs to be further explained that, as shown in the embodiment, the first protrusion 22 has a slope, which has the beneficial effect that, in the assembly process, that is, when the first shell 2 is assembled into the second shell 1, the existence of the slope in the embodiment makes it easier to assemble, and it is not easy to separate after assembly. Figures 7 to 9

[0073] Further, as shown in the embodiment, when the first shell 2 is pushed, when the second protrusion 21 abuts against the fourth protrusion 11, the shaving assembly 8 is exposed, the magnet 3 approaches the Hall switch 4, the power is turned on and the driving motor works, the exposed shaving assembly 8 is pushed, when the first protrusion 22 abuts against the third protrusion 12, the magnet 3 moves away from the Hall switch 4, the power is turned off. Figures 7 to 9

[0074] It needs to be further explained that, as shown in the embodiment, the magnet 3 arranged in the card slot slides along the first shell slide, realizing the change of the position of the magnet 3, that is, realizing the magnet 3 approaching or moving away from the Hall switch, thereby realizing the control of the start or stop of the Hall switch, in addition, the second shell 1 serves as the outer shell of the shaver, and the first shell 2 serves as the inner shell of the shaver, as shown in the embodiment, at this time, the second shell 1 is pushed, the magnet 3 approaches the Hall switch 4, the shaving assembly 8 is exposed and started, realizing shaving, as shown in the embodiment, the exposed shaving assembly 8 is pushed, the second shell 1 is completely wrapped by the first shell 2, and at this time, the magnet 3 moves away from the Hall switch 4, the shaver stops working, at this time, the shaving assembly cannot be seen from the appearance of the entire first shell 2, when shaving is needed, the first shell 2 only needs to be pushed out, realizing the non-sensing switch. Figures 7 to 9 Figure 7 Figure 8 Further, as shown in the embodiment, the position of the Hall switch 4 is located within the magnetic field strength range of the magnet 3.

[0075] Further, as shown in the embodiment, the position of the Hall switch 4 is located within the magnetic field strength range of the magnet 3. Figures 7 to 9

[0076] ​​​​​​​It needs to be further explained that the distance and position setting of the magnet 3 and the Hall switch 4 depend on the magnetic field strength range of the magnet 3, and there is no specific positional relationship between the two, so on the basis of the embodiment, only the improvement of the relative position of the magnet 3 and the Hall switch 4 should fall within the protection scope of the present application.

[0077] Further, in the embodiment, the Hall switch adopts standard SOT-23-3L, SOT-553, TO-92S packaging.

[0078] It needs to be further explained that the Hall switch 4 is packaged and manufactured in different standards, such as standard SOT-23-3L, SOT-553, TO-92S packaging, which has no substantial difference from the principle point of view, and all belong to the protection scope of the present application.

[0079] Through the above embodiment, the shaver adopts the Hall switch to start or stop, the first aspect saves the design space and reduces the product size, the second aspect, through the relative sliding of the magnet to control the Hall switch, the shaver is started or stopped in the non-inductive case, so that the use experience of the shaver is more friendly, the third aspect, the relative sliding design of the first shell and the second shell makes the shaver cannot see the existence of the switch from the appearance, and also cannot see the existence of the shaving assembly in the closed state, which can realize the non-inductive switch.

Claims

1. A shaver, characterized by The first shell is provided with a shaving assembly at the top, a driving motor, a PCB board and a power supply inside, the power supply provides driving force for the driving motor through the PCB board, and the driving motor drives the shaving assembly; A Hall switch is electrically connected to the PCB board, and a magnet is arranged close to the Hall switch to make the Hall switch conduct electricity and start the driving motor, and the magnet is arranged away from the Hall switch to make the Hall switch off and make the driving motor power off; The second shell is further provided with the first shell sleeved therein, the magnet is arranged inside the second shell, and the second shell slides relative to the first shell; The shaving assembly comprises a static cutter, a dynamic cutter and a fixed support; When the PCB board is installed, one side of the PCB board with the Hall switch is close to the position of the magnet; The first shell is provided with a first protrusion and a second protrusion outside, a first shell sliding channel is formed between the first protrusion and the second protrusion, the second shell is provided with a third protrusion and a fourth protrusion inside, a clamping groove is formed between the third protrusion and the fourth protrusion, and the magnet is arranged in the clamping groove; the first protrusion has an inclined surface; the first shell is pushed, when the second protrusion abuts against the fourth protrusion, the shaving assembly is exposed, the magnet is close to the Hall switch, the power supply is turned on and the driving motor works, the exposed shaving assembly is pushed, when the first protrusion abuts against the third protrusion, the second shell is completely wrapped by the first shell, and the magnet is away from the Hall switch, and the power supply is turned off.

2. The shaving razor of claim 1, wherein, The position of the Hall switch is within the magnetic field strength range of the magnet.

3. The shaving razor of claim 1, wherein, The Hall switch adopts a standard SOT-23-3L, SOT-553 or TO-92S package.

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