Cutting head connecting structure, cutting head, handle and razor

Abstract

The present invention provides a blade head connection structure (40), a blade head (10), a handle (30) and a razor (100). The blade head connection structure (40) comprises a fixed seat (41), a cover plate (43), a first magnetic attraction component (42) and a second magnetic attraction component (44), wherein the fixed seat (41) wraps the first magnetic attraction component (42), and the top surface of the second magnetic attraction component (44) is covered with a steel sheet (45). The present invention wraps the first magnetic attraction component (42) with the fixed seat (41) to protect the first magnetic attraction component (42); the top surface of the second magnetic attraction component (44) is covered with a steel sheet (45) to protect the top surface of the second magnetic attraction component (44); when the first magnetic attraction component (42) is magnetically connected to the second magnetic attraction component (44), the fixed seat (41) and the steel sheet (45) will separate the first magnetic attraction component from the second magnetic attraction component, and can also prevent the first magnetic attraction component from colliding with the second magnetic attraction component, so as to protect the first magnetic attraction component and the second magnetic attraction component.

Description

Technical Field

[0001] The invention belongs to the field of razors, and more specifically, relates to a cutter head connecting structure, a cutter head, a handle and a razor. Background Art

[0002] A razor generally includes a cutter head and a handle. The cutter head generally includes a cutter head seat and a cutting unit arranged on the cutter head seat. A transmission shaft and a transmission mechanism connecting the transmission shaft and the cutting unit are generally installed on the cutter head seat, and the handle generally includes a housing and a motor installed in the housing, and a drive shaft is installed on the motor; when the cutter head seat is installed on the housing, the drive shaft is connected to the drive shaft, and then when the motor drives the drive shaft to rotate, the drive shaft is driven to drive, and the cutting unit is driven through the transmission mechanism to shave. Current razors generally have the cutter head seat fixedly connected to the housing of the handle by welding, bonding or integrated molding to connect the cutter head to the handle. In addition, in order to ensure cleanliness and hygiene during shaving, razors are generally only suitable for use by designated persons. When different people in the family use them, multiple razors need to be purchased, resulting in increased costs.

[0003] In view of this problem, the patent document (Announcement No.: CN207172150U) discloses a solution of connecting the blade head and the handle using a magnetic suction component, which is to install a magnetic suction component on the handle cover; the other magnetic suction component is installed in the blade head seat through a fixing ring and is located between the fixing ring and the swing block; when the two magnetic suction components are magnetically connected, the blade head and the handle are connected. However, in the experimental use process, the magnetic suction component of this structure is very easy to be brittle and damaged, resulting in the blade head and the handle cannot be connected for use. Summary of the invention

[0004] An object of the present invention is to provide a cutter head connection structure, a cutter head, a handle and a razor, so as to solve the problem in the prior art that the magnetic attraction part connecting the cutter head and the handle of the razor is prone to brittle fracture and damage.

[0005] To achieve the above-mentioned purpose, the technical solution adopted by the present invention is: it includes a cover plate for fixing the top of the casing connecting the handle, a first magnetic member for fixing in the blade seat of the blade head, and a second magnetic member for cooperating with the first magnetic member for magnetic attraction, the second magnetic member is installed in the cover plate, the first magnetic member is annular, the second magnetic member is annular, the blade head connection structure also includes a fixing seat for fixing the bottom of the blade seat connecting the blade head, the first magnetic member is installed at the bottom of the fixing seat, and the fixing seat wraps the first magnetic member, a first through hole is opened on the fixing seat to expose the transmission shaft of the blade head, and the first through hole is located in the first magnetic member; a second through hole is opened on the cover plate at a position corresponding to the driving shaft of the handle, the second magnetic member is installed in the second through hole, the second magnetic member has a third through hole for the driving shaft of the handle to pass through, and a steel sheet is provided on the top surface of the second magnetic member to cooperate with the cover, and the steel sheet is annular.

[0006] Furthermore, an annular sleeve is protruded from the edge of the central hole of the steel sheet and is inserted into the third through hole.

[0007] Furthermore, the first magnetic attraction member is a single-sided magnet, and the magnetism of the bottom surface of the first magnetic attraction member is greater than the magnetism of the other surface thereof.

[0008] Furthermore, the second magnetic attraction member is a single-sided magnet, and the magnetism of the top surface of the second magnetic attraction member is greater than the magnetism of the other surface thereof.

[0009] Furthermore, the second magnetic attraction member is installed on the bottom of the cover plate, and a positioning sleeve is protruded on the cover plate for the bottom of the fixing seat and the first magnetic attraction member to extend into.

[0010] Furthermore, the inner hole of the positioning sleeve is circular, the outer contour of the bottom of the fixing seat is cylindrical to match the inner hole of the positioning sleeve, a positioning groove is provided on the inner surface of the positioning sleeve, and a positioning protrusion is provided on the fixing seat to be inserted into the positioning groove.

[0011] Another object of the present invention is to provide a cutter head, including a cutter head seat, a cutting unit installed on the cutter head seat, a transmission shaft installed in the cutter head seat, and a transmission mechanism connecting the transmission shaft and the cutting unit, the bottom of the cutter head seat corresponding to the position of the transmission shaft is provided with an opening for the transmission shaft to extend out, the cutter head also includes a fixed seat fixed to the bottom of the cutter head seat and a first magnetic component installed on the fixed seat, the fixed seat is provided with a first through hole exposing the transmission shaft, the first magnetic component is annular, the first through hole is located in the first magnetic component, and the fixed seat wraps the first magnetic component.

[0012] Another object of the present invention is to provide a handle, comprising a casing, a motor installed in the casing and a drive shaft connected to the motor, the handle also comprising a cover plate covering the top of the casing and a second magnetic component installed in the cover plate, the second magnetic component is ring-shaped, a second through hole is opened on the cover plate corresponding to the position of the drive shaft, the second magnetic component is installed in the second through hole, the second magnetic component has a third through hole for the drive shaft of the handle to pass through, and the top surface of the second magnetic component is matched with the cover with a steel sheet, and the steel sheet is ring-shaped.

[0013] Another object of the present invention is to provide a razor, comprising the cutter head and the handle as described above.

[0014] Another object of the present invention is to provide a razor, comprising a cutter head and a handle, wherein the cutter head comprises a cutter head seat, a cutting unit mounted on the cutter head seat, a transmission shaft mounted in the cutter head seat and a transmission mechanism connecting the transmission shaft and the cutting unit, and an opening for extending the transmission shaft is provided at the bottom of the cutter head seat corresponding to the position of the transmission shaft; the handle comprises a casing, a motor mounted in the casing and a drive shaft connected to the motor, and the razor further comprises the cutter head connecting structure as described above, the fixing seat is mounted at the bottom of the cutter head seat, and the cover plate is mounted on the top of the casing.

[0015] The beneficial effects of the cutter head connection structure provided by the present invention are as follows: compared with the prior art, the present invention sets a fixing seat and a cover plate so that the fixing seat wraps the first magnetic component to protect the first magnetic component and prevent the internal structure of the cutter head and external objects from colliding and damaging the first magnetic component. Even if the first magnetic component is brittle, the wrapping effect of the fixing seat can prevent the first magnetic component from falling off, and at the same time will not affect its magnetic attraction performance; the second magnetic component is installed in the cover plate, and a steel sheet is set on the top surface of the second magnetic component to protect the top surface of the second magnetic component to prevent external objects from damaging the second magnetic component; when the first magnetic component is magnetically connected to the second magnetic component, the fixing seat and the steel sheet will separate the first magnetic component from the second magnetic component, and can also prevent the first magnetic component from colliding with the second magnetic component, thereby better reducing the collision between the first magnetic component and the second magnetic component to protect the first magnetic component and the second magnetic component.

[0016] The beneficial effect of the cutter head provided by the present invention is that compared with the prior art, the present invention installs a fixing seat at the bottom of the cutter head seat, so that the fixing seat wraps the first magnetic component to protect the first magnetic component and prevent the internal structure of the cutter head and external objects from colliding and damaging the first magnetic component. Even if the first magnetic component is brittle, the wrapping effect of the fixing seat can prevent the first magnetic component from falling off, and at the same time will not affect its magnetic attraction performance; and when the transmission mechanism in the cutter head vibrates during operation, it will not affect the first magnetic component, so as to better protect the first magnetic component.

[0017] The beneficial effect of the handle provided by the present invention is that compared with the prior art, the present invention installs a cover plate on the casing, installs a second magnetic component in the cover plate, and covers the top surface of the second magnetic component with a steel sheet to protect the top surface of the second magnetic component to prevent external objects from damaging the second magnetic component. At the same time, the steel sheet can also play a role in supporting the second magnetic component to better protect the second magnetic component.

[0018] The beneficial effect of a razor provided by the present invention is that: compared with the prior art, the razor uses the above-mentioned blade head and handle, the blade head and the handle can be connected by magnetic attraction, and at the same time, the fixing seat of the blade head can protect the first magnetic attraction component, and the steel sheet of the handle can protect the second magnetic attraction component. When the first magnetic attraction component is magnetically connected to the second magnetic attraction component, the fixing seat and the steel sheet will separate the first magnetic attraction component from the second magnetic attraction component, and can also prevent the first magnetic attraction component from colliding with the second magnetic attraction component, thereby better reducing the collision between the first magnetic attraction component and the second magnetic attraction component to protect the first magnetic attraction component and the second magnetic attraction component.

[0019] Another beneficial effect of the razor provided by the present invention is that: compared with the prior art, the razor uses the above-mentioned blade head connection structure, and can protect the first magnetic component through the fixed seat to prevent the internal structure of the blade head and external objects from colliding and damaging the first magnetic component. Even if the first magnetic component is brittle, the wrapping effect of the fixed seat can also prevent the first magnetic component from falling, and at the same time will not affect its magnetic attraction performance; the second magnetic component is installed in the cover plate, and a steel sheet is provided on the top surface of the second magnetic component to protect the top surface of the second magnetic component to prevent external objects from damaging the second magnetic component; when the first magnetic component is magnetically connected to the second magnetic component, the fixed seat and the steel sheet will separate the first magnetic component from the second magnetic component, and can also prevent the first magnetic component from colliding with the second magnetic component, so as to better reduce the collision between the first magnetic component and the second magnetic component to protect the first magnetic component and the second magnetic component. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative labor.

[0021] Figure 1 A schematic diagram of the structure of a shaver provided by an embodiment of the present invention;

[0022] Figure 2 A schematic cross-sectional view of a shaver provided in an embodiment of the present invention Figure 1 ;

[0023] Figure 3 for Figure 2 The exploded structural diagram of the razor shown;

[0024] Figure 4 for Figure 3 A schematic diagram of the exploded structure of the handle in the razor shown;

[0025] Figure 5 for Figure 4 A schematic diagram of the three-dimensional structure of the second magnetic attraction member and the steel sheet;

[0026] Figure 6 for Figure 2 A schematic diagram of the three-dimensional structure of the middle fixing seat;

[0027] Figure 7 for Figure 2 A cross-sectional structural diagram of the middle fixing seat and the first magnetic attraction member;

[0028] Figure 8 for Figure 2 Schematic diagram of the three-dimensional structure of the first magnetic attraction component.

[0029] Among them, the main marks of the drawings in the figure are:

[0030] 100- razor; 10- blade; 11- cutting unit; 12- blade seat; 120- opening; 13- transmission mechanism; 14- transmission shaft; 30- handle; 31- housing; 32- motor; 33- driving shaft; 34- connecting seat; 35- gear box; 351- box body; 352- box cover; 3521- containing ring groove; 353- driving gear; 354- driven gear; 36- sealing pad; 360- fourth through hole; 361- inner Ring sleeve; 362-outer ring rib; 363-blocking piece; 40-cutter head connecting structure; 41-fixed seat; 410-first through hole; 411-positioning protrusion; 412-groove; 413-mounting column; 414-recessed hole; 42-first magnetic attraction member; 423-positioning hole; 43-cover plate; 431-second through hole; 432-positioning sleeve; 433-positioning groove; 44-second magnetic attraction member; 441-third through hole; 45-steel sheet; 451-ring sleeve. DETAILED DESCRIPTION

[0031] In order to make the technical problems, technical solutions and beneficial effects to be solved by the present invention more clearly understood, the present invention is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention and are not intended to limit the present invention.

[0032] It should be noted that when an element is referred to as being "fixed to" or "disposed on" another element, it can be directly on the other element or indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or indirectly connected to the other element.

[0033] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include one or more of the features. In the description of the present invention, the meaning of "multiple" is two or more, unless otherwise clearly and specifically defined. The meaning of "several" is one or more, unless otherwise clearly and specifically defined.

[0034] In the description of the present invention, it should be understood that the terms "center", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present invention.

[0035] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0036] Please also read Figures 1 to 8 Now, the shaver 100 provided by the present invention is described. The shaver 100 comprises a razor head 10 and a handle 30 .

[0037] The cutter head 10 includes a cutter head seat 12, a cutting unit 11, a transmission shaft 14 and a transmission mechanism 13; the cutting unit 11 is installed on the cutter head seat 12 to support the cutting unit 11 through the cutter head seat 12; the transmission shaft 14 and the transmission mechanism 13 are installed in the cutter head seat 12, the transmission shaft 14 is used to connect the motor 32 in the handle 30, and the transmission mechanism 13 connects the transmission shaft 14 and the cutting unit 11; an opening 120 for the transmission shaft 14 to extend is opened at the bottom of the cutter head seat 12 corresponding to the position of the transmission shaft 14, so that when the transmission shaft 14 is connected to the motor 32 in the handle 30, the motor 32 can drive the transmission shaft 14 to rotate, and drive the cutting unit 11 through the transmission mechanism 13 to achieve shaving.

[0038] The handle 30 includes a housing 31, a motor 32 and a drive shaft 33; the motor 32 is installed in the housing 31, and the housing 31 is used to support and protect the motor 32, and the drive shaft 33 is connected to the motor 32, so that when the cutter head seat 12 is installed on the housing 31, the transmission shaft 14 of the cutter head 10 can be connected to the drive shaft 33 in the handle 30, thereby realizing the connection between the transmission shaft 14 in the cutter head 10 and the motor 32 in the handle 30.

[0039] The cutter head 10 further includes a fixing seat 41 and a first magnetic member 42, wherein the first magnetic member 42 is mounted on the fixing seat 41, and the fixing seat 41 is fixed to the bottom of the cutter head seat 12, so as to mount the first magnetic member 42 on the bottom of the cutter head seat 12; and a first through hole 410 is provided on the fixing seat 41, and the transmission shaft 14 can be exposed from the first through hole 410, so that when the cutter head 10 is mounted on the handle 30, the transmission shaft 14 can be connected to the drive shaft 33. The first magnetic member 42 is annular, and the first through hole 410 is located in the first magnetic member 42. This structure facilitates the first magnetic member 42 to cooperate with the magnetic attraction of the second magnetic member 44, improves the stability of the magnetic connection, and thus better connects the cutter head 10 to the handle 30. The fixing seat 41 wraps the first magnetic component 42 to protect the first magnetic component 42 through the fixing seat 41, so as to prevent the vibration of the transmission mechanism 13 in the cutter head 10 from affecting the first magnetic component 42; in addition, even if the first magnetic component 42 is brittle, the wrapping effect of the fixing seat 41 can prevent the first magnetic component 42 from falling, and at the same time will not affect its magnetic attraction performance.

[0040] The handle 30 also includes a cover plate 43 and a second magnetic member 44, and the second magnetic member 44 is installed in the cover plate 43; the cover plate 43 covers the top of the housing 31 to install the second magnetic member 44 on the housing 31. A second through hole 431 is provided on the cover plate 43 at a position corresponding to the drive shaft 33, so that when the cutter head 10 is installed on the housing 31, the drive shaft 33 can be connected to the transmission shaft 14 in the cutter head 10 through the second through hole 431. The top surface of the second magnetic member 44 is covered with a steel sheet 45, and the steel sheet 45 is annular. The steel sheet 45 is provided on the top surface of the second magnetic member 44 to ensure the second magnetic member 44 and prevent external objects from damaging the second magnetic member 44. At the same time, the steel sheet 45 can also play a role in supporting the second magnetic member 44 to better protect the second magnetic member 44; and the steel sheet 45 is provided in an annular shape so that the drive shaft 33 of the handle 30 can pass through the steel sheet 45 and then be connected to the transmission shaft 14 of the cutter head 10.

[0041] The first magnetic component 42 is fixedly installed on the bottom of the blade seat 12 through the fixing seat 41, and the second magnetic component 44 is fixedly installed on the top of the casing 31 through the cover plate 43, so that the fixing seat 41 can be connected with the cover plate 43 through the magnetic attraction of the first magnetic component 42 and the second magnetic component 44, and then the blade 10 is connected with the handle 30; when the first magnetic component 42 and the second magnetic component 44 are magnetically connected, the fixing seat 41 and the steel sheet 45 will separate the first magnetic component 42 from the second magnetic component 44, and can also prevent the first magnetic component 42 from colliding with the second magnetic component 44, so as to better reduce the collision between the first magnetic component 42 and the second magnetic component 44, so as to protect the first magnetic component 42 and the second magnetic component 44.

[0042] During processing and manufacturing, the cutter head 10 can be assembled and manufactured separately, which is convenient and efficient. Similarly, the handle 30 can also be assembled and manufactured separately, which is convenient and efficient. In addition, the fixing seat 41, the first magnetic member 42, the cover plate 43, the second magnetic member 44 and the steel sheet 45 can constitute a cutter head connection structure 40, that is, the cutter head connection structure 40 includes a fixing seat 41, a cover plate 43, a first magnetic member 42, a second magnetic member 44 and a steel sheet 45; the fixing seat 41 is used to fix the bottom of the cutter head seat 12 of the cutter head 10, and the cover plate 43 is used to fix the top of the housing 31 of the handle 30. The first magnetic member 42 is installed in the fixing seat 41, and the fixing seat 41 wraps the first magnetic member 42 to protect the first magnetic member 42 and prevent the internal structure of the cutter head 10 and external objects from colliding and damaging the first magnetic member 42. Even if the first magnetic member 42 is brittle, the wrapping effect of the fixing seat 41 can prevent the first magnetic member 42 from falling off, and at the same time will not affect its magnetic attraction performance. The second magnetic member 44 is installed in the cover plate 43. The fixing seat 41 is provided with a first through hole 410 exposing the transmission shaft 14 of the cutter head 10. The cover plate 43 is provided with a second through hole 431 at a position corresponding to the driving shaft 33 of the handle 30. The second magnetic member 44 is installed in the second through hole 431. The second magnetic member 44 is used to cooperate with the first magnetic member 42 for magnetic attraction. The second magnetic member 44 has a third through hole 441. The driving shaft 33 of the handle 30 can pass through the third through hole 441 to be connected to the transmission shaft 14 of the cutter head 10. The second magnetic member 44 is installed in the second through hole 431 to facilitate positioning and assembly of the second magnetic member 44. The steel sheet 45 covers the top surface of the second magnetic member 44 to protect the top surface of the second magnetic member 44 to prevent external objects from damaging the second magnetic member 44. Furthermore, during processing and manufacturing, the blade head 10 and other parts of the handle 30 can be manufactured first, and then the various components of the blade head connecting structure 40 can be connected to the blade head seat 12 of the blade head 10 and the housing 31 of the handle 30 respectively, so that the blade head 10 and the handle 30 can be connected by magnetic attraction, thereby improving assembly efficiency.

[0043] The cutter head connection structure 40 provided by the present invention is provided with a fixing seat 41 and a cover plate 43, so that the fixing seat 41 wraps the first magnetic member 42 to protect the first magnetic member 42 and prevent the internal structure of the cutter head 10 and external objects from colliding and damaging the first magnetic member 42. Even if the first magnetic member 42 is brittle, the wrapping effect of the fixing seat 41 can also prevent the first magnetic member 42 from falling off, and at the same time will not affect its magnetic attraction performance; the second magnetic member 44 is installed in the cover plate 43, and the second magnetic member The top surface of 44 is covered with a steel sheet 45 to protect the top surface of the second magnetic component 44 to prevent external objects from damaging the second magnetic component 44; when the first magnetic component 42 is magnetically connected to the second magnetic component 44, the fixing seat 41 and the steel sheet 45 will separate the first magnetic component 42 from the second magnetic component 44, and can also prevent the first magnetic component 42 from colliding with the second magnetic component 44, thereby better reducing the collision between the first magnetic component 42 and the second magnetic component 44 to protect the first magnetic component 42 and the second magnetic component 44.

[0044] The present invention installs a fixing seat 41 at the bottom of the cutter head 10 seat, so that the fixing seat 41 wraps the first magnetic component 42 to protect the first magnetic component 42 and prevent the internal structure of the cutter head 10 and external objects from colliding and damaging the first magnetic component 42. Even if the first magnetic component 42 is brittle, the wrapping effect of the fixing seat 41 can prevent the first magnetic component 42 from falling off, and at the same time will not affect its magnetic attraction performance; and when the transmission mechanism in the cutter head 10 vibrates during operation, it will not affect the first magnetic component 42, so as to better protect the first magnetic component 42.

[0045] The present invention installs a cover plate 43 on the casing, installs a second magnetic component 44 in the cover plate 43, and covers the top surface of the second magnetic component 44 with a steel sheet 45 to protect the top surface of the second magnetic component 44 to prevent external objects from damaging the second magnetic component 44. At the same time, the steel sheet 45 can also support the second magnetic component 44 to better protect the second magnetic component 44.

[0046] The razor 100 provided by the present invention uses the above-mentioned blade head 10 and handle. The blade head 10 and the handle can be connected by magnetism. At the same time, the fixing seat 41 of the blade head 10 can protect the first magnetic component 42, and the steel sheet 45 of the handle can protect the second magnetic component 44. When the first magnetic component 42 is magnetically connected with the second magnetic component 44, the fixing seat 41 and the steel sheet 45 will separate the first magnetic component 42 from the second magnetic component 44, and can also prevent the first magnetic component 42 from colliding with the second magnetic component 44, so as to better reduce the collision between the first magnetic component 42 and the second magnetic component 44, so as to protect the first magnetic component 42 and the second magnetic component 44.

[0047] In addition, the razor 100 provided by the present invention uses the above-mentioned blade head connection structure 40, and the first magnetic component 42 can be protected by the fixed seat 41 to prevent the internal structure of the blade head 10 and external objects from colliding and damaging the first magnetic component 42. Even if the first magnetic component 42 is brittle, the first magnetic component 42 can be prevented from falling due to the wrapping effect of the fixed seat 41, and its magnetic attraction performance will not be affected. The second magnetic component 44 is installed in the cover plate 43, and a steel sheet 45 is provided on the top surface of the second magnetic component 44 to protect the top surface of the second magnetic component 44 to prevent external objects from damaging the second magnetic component 44. When the first magnetic component 42 is magnetically connected to the second magnetic component 44, the fixed seat 41 and the steel sheet 45 will separate the first magnetic component 42 from the second magnetic component 44, and can also prevent the first magnetic component 42 from colliding with the second magnetic component 44, so as to better reduce the collision between the first magnetic component 42 and the second magnetic component 44 and protect the first magnetic component 42 and the second magnetic component 44.

[0048] Please also refer to Figures 6 to 8 As a specific embodiment of the shaver 100 provided by the present invention, the fixing seat 41 is formed into an integral structure with the first magnetic member 42 by secondary injection molding, so that the first magnetic member 42 is installed in the fixing seat 41. In other embodiments, a receiving cavity may be provided in the fixing seat 41, the first magnetic member 42 may be bonded in the receiving cavity, and then a cover may be welded to realize the installation of the first magnetic member 42 in the fixing seat 41.

[0049] Please also refer to Figures 6 to 8 As a specific embodiment of the shaver 100 provided by the present invention, the first magnetic member 42 is a magnet to provide magnetism, so as to be conveniently connected to the second magnetic member 44. Accordingly, the second magnetic member 44 can be a magnetic member made of a magnetic conductive material such as a magnet or a steel block, so as to be magnetically connected to the first magnetic member 42.

[0050] Similarly, please also refer to Figures 3 to 5 As a specific embodiment of the shaver 100 provided by the present invention, the second magnetic member 44 is a magnet to provide magnetism and is conveniently connected to the first magnetic member 42. Accordingly, the first magnetic member 42 can be a magnetic member made of magnetic conductive materials such as a magnet or a steel block, so as to be magnetically connected to the second magnetic member 44.

[0051] Please also refer to Figures 3 to 5 As a specific implementation of the shaver 100 provided by the present invention, the steel sheet 45 is made of stainless steel to better protect the second magnetic attraction component 44.

[0052] Please also refer to Figures 3 to 5As a specific embodiment of the shaver 100 provided by the present invention, an annular sleeve 451 is protruded from the edge of the central hole of the steel sheet 45 and is inserted into the third through hole 441. The annular sleeve 451 is arranged at the center of the steel sheet 45, and the annular sleeve 451 can be inserted into the third through hole 441 of the second magnetic member 44, thereby better fixing the steel sheet 45 on the second magnetic member 44 and better protecting the second magnetic member 44.

[0053] Please also refer to Figures 3 to 8 As a specific embodiment of the shaver 100 provided by the present invention, the first magnetic member 42 is a single-sided magnet, and the magnetism of the bottom surface 422 of the first magnetic member 42 is greater than the magnetism of the other side 421 thereof. The first magnetic member 42 is set as a single-sided magnet, so that the cost can be reduced when the bottom surface 422 of the first magnetic member 42 is required to have the same magnetic force; in addition, the first magnetic member 42 uses a single-sided magnet, which can provide a stronger magnetic force on the bottom surface of the first magnetic member 42.

[0054] Please also refer to Figures 3 to 8 As a specific embodiment of the shaver 100 provided by the present invention, the second magnetic member 44 is a single-sided magnet, and the magnetism of the top surface 442 of the second magnetic member 44 is greater than the magnetism of the other surface 443 thereof. The second magnetic member 44 is set as a single-sided magnet, so that when the top surface 442 of the second magnetic member 44 is required to have a certain magnetic force, the cost can be reduced; in addition, the second magnetic member 44 uses a single-sided magnet, which can provide a stronger magnetic force on the top surface of the second magnetic member 44. And the second magnetic member 44 uses a single-sided magnet, which can also reduce the influence of the magnetic force of the second magnetic member 44 on the motor 32 in the housing 31.

[0055] Please also refer to Figures 3 to 8 As a specific embodiment of the shaver 100 provided by the present invention, the second magnetic member 44 is installed at the bottom of the cover plate 43, and a positioning sleeve 432 is convexly provided on the cover plate 43. The second magnetic member 44 is installed at the bottom of the cover plate 43, and a positioning sleeve 432 is provided on the cover plate 43. The positioning sleeve 432 surrounds the second through hole 431, so that when the cutter head 10 is connected to the handle 30, the fixing seat 41 on the cutter head 10 can be inserted into the positioning sleeve 432, so that the first magnetic member 42 in the fixing seat 41 is magnetically connected to the second magnetic member 44 on the cover plate 43; at the same time, the fixing seat 41 can also be positioned by the positioning sleeve 432, so that the connection between the cutter head 10 and the handle 30 is more stable.

[0056] Please also refer to Figures 3 to 8 As a specific embodiment of the shaver 100 provided by the present invention, the inner hole of the positioning sleeve 432 is circular so as to accommodate the bottom of the fixing seat 41. Similarly, the outer contour of the bottom of the fixing seat 41 is cylindrical so as to be better inserted into the positioning sleeve 432.

[0057] Please also refer to Figure 4 and Figure 6 As a specific embodiment of the shaver 100 provided by the present invention, a positioning groove 433 is provided on the inner surface of the positioning sleeve 432, so that when the fixing seat 41 is provided with a positioning protrusion 411, the installation and positioning can be better performed. Similarly, the fixing seat 41 is provided with a positioning protrusion 411 corresponding to the positioning groove 433. When the fixing seat 41 is inserted into the positioning sleeve 432, the positioning protrusion 411 can be inserted into the corresponding positioning groove 433 to position the fixing seat 41, and then the cutter head 10 is positioned and installed on the handle 30.

[0058] Furthermore, along the radial direction of the fixing seat 41, the positioning protrusion 411 is in the shape of a triangle with one corner facing the bottom surface of the fixing seat 41. The positioning protrusion 411 is arranged in the shape of a triangle. When inserted into the positioning groove 433, the side surface of the positioning protrusion 411 can play a guiding role for better positioning.

[0059] At the same time, the positioning groove 433 is V-shaped. When the positioning protrusion 411 is inserted into the positioning groove 433, the two side walls of the positioning groove 433 can play a guiding role to better position the positioning protrusion 411 and then position the cutter head 10.

[0060] Please also refer to Figures 1 to 4 As a specific embodiment of the shaver 100 provided by the present invention, the top surface 434 of the cover plate 43 is trumpet-shaped, and the top surface 434 of the cover plate 43 gradually protrudes upward from its edge to the middle. This structure can protrude the first through hole 410 on the cover plate 43 so that the fixing seat 41 can be inserted into the first through hole 410. In addition, this structure can facilitate the adjustment of the angle of the cutter head 10 on the handle 30, and can prevent the top surface 434 of the cover plate 43 from blocking the swing of the cutter head 10.

[0061] Please also refer to Figures 6 to 8 As a specific embodiment of the shaver 100 provided by the present invention, the fixing base 41 is provided with a plurality of mounting posts 413 for connecting with the cutter head base 12 by screws (not shown in the figure). The mounting posts 413 are provided on the fixing base 41 so that the fixing base 41 can be mounted on the cutter head base 12 by screws, which makes assembly more convenient.

[0062] Please also refer to Figures 6 to 8As a specific embodiment of the shaver 100 provided by the present invention, a plurality of positioning holes 423 are provided on the first magnetic member 42, so that the fixing seat 41 can be better fixedly connected to the first magnetic member 42. In addition, when the fixing seat 41 is formed on the first magnetic member 42 by secondary injection molding, the plastic can extend into the positioning holes 423 of the first magnetic member 42, so that the fixing seat 41 and the first magnetic member 42 are more firmly connected. At the same time, this structure can also facilitate the positioning of the first magnetic member 42 during injection molding.

[0063] Please also refer to Figures 6 to 8 As a specific embodiment of the shaver 100 provided by the present invention, a recessed hole 414 is provided on the fixing seat 41, and the recessed hole 414 is located at a position corresponding to the positioning hole 423, so that when the fixing seat 41 is installed at the bottom of the blade seat 12, it can play a better positioning role.

[0064] Please also refer to Figures 6 to 8 As a specific embodiment of the shaver 100 provided by the present invention, a spring (not shown in the figure) is installed in the cutter head 10, and a groove 412 is formed on the upper surface of the fixing seat 41 to position and accommodate the lower end of the spring.

[0065] Please also refer to Figures 2 to 4 As a specific embodiment of the shaver 100 provided by the present invention, a gear box 35 is also installed in the housing 31, the motor 32 is connected to the input end of the gear box 35, and the drive shaft 33 is connected to the output end of the gear box 35. The gear box 35 is arranged in the housing 31 to increase the torque of the motor 32 driving the drive shaft 33, so that the motor 32 can be better connected to the drive shaft 33 and can better drive the drive shaft 33 to rotate. At the same time, the drive shaft 33 can also be supported by the gear box 35 to facilitate the installation and support of the drive shaft 33.

[0066] Please also refer to Figures 2 to 4 As a specific embodiment of the shaver 100 provided by the present invention, the gear box 35 includes a box body 351, a box cover 352, a driving gear 353 and a driven gear 354. The box body 351 is installed in the casing 31, the driving gear 353 is meshed with the driven gear 354, the driving gear 353 and the driven gear 354 are installed in the box body 351, the box cover 352 is covered on the box body 351, and the driving gear 353 is connected to the motor 32, so that the motor 32 drives the driving gear 353 to rotate, which can drive the driven gear 354 and the driving shaft 33 to rotate.

[0067] Please also refer to Figures 2 to 4As a specific embodiment of the shaver 100 provided by the present invention, the handle 30 also includes a sealing gasket 36, a fourth through hole 360 ​​is opened in the sealing gasket 36 for the driving shaft 33 to pass through, and the sealing gasket 36 covers the bottom of the second through hole 431. The sealing gasket 36 is provided to improve the prevention performance and prevent impurities from falling into the casing 31.

[0068] Please also refer to Figures 2 to 4 As a specific embodiment of the shaver 100 provided by the present invention, the sealing gasket 36 includes an outer ring rib 362, an inner ring sleeve 361 and a blocking piece 363 connecting the outer ring rib 362 and the inner ring sleeve 361. The inner ring sleeve 361 is sleeved on the driving shaft 33 to achieve a sealing connection with the driving shaft 33, and the outer ring rib 362 is against the bottom surface of the second magnetic attraction member 44 to achieve a sealing connection with the second magnetic attraction member 44 to seal the third through hole 441, and the second magnetic attraction member 44 is installed in the first through hole 410, thereby sealing the second through hole 431 to improve the waterproof performance.

[0069] Please also refer to Figures 2 to 4 As a specific embodiment of the shaver 100 provided by the present invention, the cross section of the baffle 363 is C-shaped to increase the spring of the sealing pad 36, thereby achieving better sealing. In some other embodiments, the baffle 363 may also be corrugated.

[0070] Please also refer to Figures 2 to 4 As a specific embodiment of the shaver 100 provided by the present invention, a top surface of the box cover 352 is provided with an accommodating ring groove 3521 so that the outer ring rib 362 can be placed in the accommodating ring groove 3521 to position the sealing gasket 36.

[0071] Please also refer to Figures 2 to 4 As a specific embodiment of the shaver 100 provided by the present invention, a connection seat 34 for detachably connecting the transmission shaft 14 of the cutter head 10 is installed at the top of the driving shaft 33. The connection seat 34 is installed at the top of the driving shaft 33 to connect with the transmission shaft 14 of the cutter head 10. In other embodiments, a connection structure can also be provided at the top of the driving shaft 33 to be detachably connected with the transmission shaft 14.

[0072] Please also refer to Figures 2 to 4 As a specific embodiment of the shaver 100 provided by the present invention, a battery (not shown in the figure) is also installed in the housing 31, and the battery is also connected to the motor 32 to provide power.

[0073] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A handle, comprising a housing, a motor installed in the housing, and a drive shaft connected to the motor, the handle further comprising a cover plate covering the top of the housing and a second magnetic member installed in the cover plate, the second magnetic member being annular, characterized in that: A second through hole is provided on the cover plate at a position corresponding to the driving shaft, and the second magnetic attraction member is installed in the second through hole. The second magnetic attraction member has a third through hole for the driving shaft of the handle to pass through, and the top surface of the second magnetic attraction member is matched with a cover and provided with a steel sheet, and the steel sheet is annular; the handle also includes a sealing gasket, and the sealing gasket has a fourth through hole for the driving shaft to pass through, and the sealing gasket covers the bottom of the second through hole, and the sealing gasket includes an outer ring rib, an inner ring sleeve and a blocking sheet connecting the outer ring rib and the inner ring sleeve, the inner ring sleeve is sleeved on the driving shaft to be sealed and connected to the driving shaft, the outer ring rib abuts against the bottom surface of the second magnetic attraction member to be sealed and connected to the second magnetic attraction member and seal the third through hole, and the second magnetic attraction member is installed in the second through hole to seal the second through hole.

2. A razor, comprising a cutter head and a handle, wherein the cutter head comprises a cutter head seat, a cutting unit mounted on the cutter head seat, a transmission shaft mounted in the cutter head seat, and a transmission mechanism connecting the transmission shaft and the cutting unit, and an opening for extending the transmission shaft is provided at the bottom of the cutter head seat corresponding to the position of the transmission shaft; the handle comprises a housing, a motor mounted in the housing, and a drive shaft connected to the motor, characterized in that: The razor also includes a blade head connection structure, which includes a cover plate for fixing the top of the housing connected to the handle, a first magnetic component for fixing in the blade head seat of the blade head, and a second magnetic component for cooperating with the first magnetic component for magnetic attraction, the second magnetic component is installed in the cover plate, the first magnetic component is annular, and the second magnetic component is annular. The blade head connection structure also includes a fixing seat for fixing the bottom of the blade head seat connected to the blade head, the first magnetic component is installed at the bottom of the fixing seat, and the fixing seat wraps the first magnetic component, a first through hole is opened on the fixing seat to expose the transmission shaft of the blade head, and the first through hole is located in the first magnetic component; a second through hole is opened on the cover plate at a position corresponding to the driving shaft of the handle, and the second magnetic component is installed in the second through hole The second magnetic component has a third through hole for the driving shaft of the handle to pass through, and the top surface of the second magnetic component is matched with a cover and provided with a steel sheet, and the steel sheet is annular; the fixed seat is installed at the bottom of the blade head seat, and the cover plate is installed at the top of the casing; the handle also includes a sealing gasket, and the sealing gasket has a fourth through hole for the driving shaft to pass through, and the sealing gasket covers the bottom of the second through hole, and the sealing gasket includes an outer ring rib, an inner ring sleeve and a baffle connecting the outer ring rib and the inner ring sleeve, the inner ring sleeve is sleeved on the driving shaft to be sealed and connected with the driving shaft, the outer ring rib abuts against the bottom surface of the second magnetic component to be sealed and connected with the second magnetic component and seal the third through hole, and the second magnetic component is installed in the second through hole to seal the second through hole.

3. The shaver according to claim 2, characterized in that: An annular sleeve is protruded from the edge of the central hole of the steel sheet and is inserted into the third through hole.

4. The shaver according to claim 2, characterized in that: The first magnetic attraction member is a single-sided magnet, and the magnetism of the bottom surface of the first magnetic attraction member is greater than the magnetism of the other surface thereof.

5. The shaver according to claim 2, characterized in that: The second magnetic attraction member is a single-sided magnet, and the magnetism of the top surface of the second magnetic attraction member is greater than the magnetism of the other surface thereof.

6. The shaver according to any one of claims 2 to 5, characterized in that: The second magnetic attraction member is installed on the bottom of the cover plate, and a positioning sleeve is convexly provided on the cover plate for the bottom of the fixing seat and the first magnetic attraction member to extend into.

7. The shaver according to claim 6, characterized in that: The inner hole of the positioning sleeve is circular, the outer contour of the bottom of the fixing seat is cylindrical to match the inner hole of the positioning sleeve, a positioning groove is provided on the inner surface of the positioning sleeve, and a positioning protrusion is provided on the fixing seat to be inserted into the positioning groove.

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