CN109877885B

CN109877885B - Shaving device

Info

Publication number: CN109877885B
Application number: CN201910090283.6A
Authority: CN
Inventors: 应国京; 方志荣; 应灿
Original assignee: Zhejiang Superman Technology Co ltd
Current assignee: Zhejiang Superman Technology Co ltd
Priority date: 2019-01-30
Filing date: 2019-01-30
Publication date: 2024-05-07
Anticipated expiration: 2039-01-30
Also published as: CN109877885A

Abstract

The invention discloses a shaving device, which comprises a razor head, a body and a foot buckling support piece, wherein the body is provided with three buckling feet, the three buckling feet are vertically erected on the contact surface of the body and the razor head, one side of the side surface of the bottom surface of the foot buckling support piece extends to form three surfaces, the middle of the other side of the bottom surface of the foot buckling support piece is provided with a clamping groove, the three surfaces are tilted upwards relative to the bottom surface, the middle surface can be attached to the inwards facing surface of the buckling feet, the surface resists the stress direction of the buckling feet to prolong the service life of the buckling feet, the other two surfaces are buckles, the vertical walls on the two sides of the buckling feet are provided with a pair of holes, the two buckles of the foot buckling support piece can just buckle in the two holes, so that the support piece has an acting point, the bottom surface of the foot buckling support piece is overlapped with the contact surface of the body, the bulge corresponding to the clamping groove is arranged in the middle of the other side of the foot buckling support piece, the bulge can just clamp in the middle of the other side of the foot buckling support piece, the buckling groove is prevented from falling in the direction, and the service life of the buckling feet can be prolonged by taking hardware as the support piece.

Description

Shaving device

Technical Field

The present invention relates to a shaving apparatus, and in particular to a more comfortable and reliable shaving apparatus.

Technical Field

Shaving devices are becoming increasingly popular as shaving implements, and the appearance of the shaving devices is now largely similar. Currently, electric shaving apparatuses comprise a head portion and a body portion, and the head portion and the body portion are connected in a fastening and connecting mode, and the connecting mode does bring a certain convenience to the connecting mode. However, in practical use, it is found that the snap connection is performed by utilizing the characteristic that the material of the snap connection piece can be elastically deformed, so that if the force is improper, the deformation of the snap connection piece is easily caused, the head and the body are not reliably connected, and the product cannot be normally used. The service life of the product is shortened.

Disclosure of Invention

The invention provides a hair shaving device, which prolongs the service life of a head and body connecting piece of the hair shaving device and improves the performance of products.

To solve the above technical problems, the present invention discloses a shaving apparatus, which includes: the razor comprises a razor head, a razor body and a foot buckling support piece, wherein a plurality of foot buckling pieces are arranged on the contact surface of the razor body and the razor head, mounting notches are formed in pairs on one side of the foot buckling pieces, which is far away from the center of a contact plane, and protrusions are arranged on one side of the foot buckling pieces, which is close to the center of the contact plane; the contact surface of the razor head and the razor body is provided with a clamping groove matched with the buckling feet, and the clamping groove and the buckling feet form a buckling connection; the foot buckling support piece comprises a bottom transverse face, a middle plane and a bottom side face, wherein the bottom transverse face, the middle plane and the bottom side face form a mountain-shaped structure, an opening is formed in the bottom transverse face towards an edge pit, the pit is sleeved outside the protrusion, the free end of the bottom side face is tilted upwards relative to the bottom face, the bottom side face stretches into the mounting notch, and the middle face vertically upwards and the foot buckling portion are mutually attached in the direction close to the center.

The machine body of the technical scheme is provided with three buckling feet which are vertically erected on the machine body, the buckling foot support piece is provided with a bottom surface, three surfaces extend from one side of the side surface of the bottom surface, a clamping groove is formed in the middle of the other side of the side surface, the three surfaces are tilted upwards relative to the bottom surface, the middle surface can be attached to the surface of the buckling foot, which faces against the stress direction of the buckling foot to prolong the service life of the buckling foot, the other two surfaces are buckles, the tilt angle of the surfaces is the same relative to the bottom surface, a pair of holes are formed in the vertical walls on the two sides of the buckling foot, the two buckles of the buckling foot support piece can be just buckled in the two holes, so that the support piece has an acting point, the bottom surface of the buckling foot support piece is overlapped with the contact surface of the machine body, a bulge corresponding to the clamping groove is formed in the middle of the other side of the buckling foot support piece, the bulge can be just clamped in the middle of the other side of the buckling foot support piece, the buckling foot support piece is prevented from falling off towards the loading direction, and the service life of the buckling foot can be prolonged by taking the hardware support piece as the support piece.

Preferably, the bottom of the machine body is provided with a contact pin, a PCB assembly and a bracket, and the contact pin is injection-molded in the shell of the machine body; the PCB assembly is connected with one end of the contact piece, and the other end of the contact piece is contacted with the top of the contact pin; one end of the contact piece, which is close to the PCB assembly, is provided with a metal piece extending outwards, the metal piece is inserted into two grooves of the support, and the metal piece is exposed out of the support through a downward opening of the groove.

The contact pin of this technical scheme moulds plastics in the fuselage shell, does not need in addition plastic envelope to waterproof, is to the separation with the PCB moreover, does not need to install the contact pin after being connected with the PCB alone, has simplified the technology.

Preferably, the razor head further comprises a metal texture, wherein an indent is arranged at the edge of the plane where the cutting unit is positioned, and the metal texture is fixed at the indent. The metallic texture brings cool feeling and improves the comfort of use.

Preferably, the razor head comprises at least two cutting units, a first rotating shaft and a floating support assembly, the plurality of cutting units are connected into a complete razor head through the first rotating shaft and the floating support assembly, the cutting units are connected with the floating support assembly through the rotating shaft, each cutting unit is provided with a first shaft hole for installing the first rotating shaft, the floating support assembly comprises a floating support base, a supporting elastic sheet and a floating support, the floating support base is circular, a plurality of rotating grooves are uniformly distributed along the circumferential direction, the installation positions of the first rotating shafts on each cutting unit are consistent with the number of the rotating grooves of the floating support base of the cutting unit, and the rotating grooves are arranged in the center of the floating support assembly.

The razor head comprises three cutting units, three rotating shafts, a plurality of rotating shafts of a floating support assembly and a floating support assembly, wherein the three cutting units 1 can be spliced into a razor head, the three cutting units are spliced into a complete razor head through the floating support assembly and a first rotating shaft, the first rotating shaft is used for connecting the cutting units and the floating support assembly, shaft holes for installing the rotating shafts are formed in each cutting unit, rotating grooves are formed in the vicinity of the center of the floating support, so that the floating displacement of part of the cutting units can be increased, and the shaving experience is more comfortable.

Preferably, the cutting unit comprises a bracket assembly, a bracket base and a second rotating shaft, and the bracket assembly and the bracket base are rotationally connected through the second rotating shaft; the bracket assembly is provided with a first bulge which is obliquely upwards, and the first bulge is provided with a first opening groove which is obliquely upwards and a second shaft hole; the edge of the bracket base is provided with a concave opening corresponding to the first bulge of the bracket assembly, and the concave opening is provided with a mounting groove of the second rotating shaft; the middle section of the second rotating shaft penetrates through the second shaft hole, and two ends of the second rotating shaft are clamped into the mounting groove.

According to the technical scheme, the bracket base is provided with the second rotating shaft mounting groove, the second rotating shaft of the bracket assembly is mounted in the rotating groove of the bracket base, so that the bracket assembly and the bracket base are connected together, and in order to prevent the second rotating shaft from falling out of the rotating groove of the bracket base, the bracket fixing piece can be mounted between the bracket base and the bracket assembly.

Preferably, the second shaft hole both ends of bracket component are provided with the second arch respectively, the concave mouth of bracket base is provided with convex recess, and convex recess and rotation groove parallel link to each other and do not be in first order space, when cutting unit closed, the second arch falls in the recess, and when opening, the second arch passes through the second axis of rotation is circular motion, and the second arch runs into the horizontal trapezoidal wall in the second order space and stops rotating, at this moment bracket component with angle between the tray base reaches the maximum.

Preferably, the cutting unit further comprises a bracket fixing piece, one end of the bracket fixing piece is clamped into the rotating groove of the bracket base and abuts against the second rotating shaft, and the other end of the bracket fixing piece is fixed at a position, away from the rotating groove, in the bracket base; the bracket fixing piece comprises two posts, a long bottom surface and an arched supporting buckle, wherein the two side posts have the same inclination angle, the bottom surface inside the bracket base is provided with a groove corresponding to the supporting buckle, the arched supporting buckle is connected to the middle position of the other side of the long bottom surface, two protrusions are respectively and vertically extended from the end parts of the two side posts of the bracket fixing piece, one protrusion extends towards the end part direction and is sealed in a rotating groove, and the other protrusion extends outwards and is abutted against the rotating notch.

According to the technical scheme, three legs of the bracket fixing piece incline upwards relative to a horizontal plane, the inclination angles of the two side legs are the same, one end of the supporting buckle is connected to the middle position of the other side of the long bottom surface, two protrusions extend vertically from the end parts of the two side legs of the bracket fixing piece, one protrusion extends towards the end part direction, the other protrusion extends outwards to play a limiting role, the two side legs are limited to prop against the second rotating shaft, the supporting buckle is buckled into the groove at the moment, the bracket fixing piece is prevented from falling in the loading direction, and the groove corresponding to the supporting buckle is formed in the circular ring in the middle of the bottom surface inside the bracket base. The arch structure of the supporting buckle is more convenient to assemble and disassemble due to the elasticity. The bracket fixing piece plays a role of a bolt, and when the bracket fixing piece is detached, the bracket fixing piece can be detached, and vice versa.

Preferably, the bracket fixing piece further comprises a middle leg, the middle leg is arranged between the two side legs, the inner side edge of the inclined plane at the first opening groove of the bracket component is a smooth arc protrusion, and the smooth arc protrusion and the middle leg are in a snap fit structure; when the cutting unit is closed, the middle stilt and the smooth arc bulge of the inclined plane are in a buckling state, and the middle stilt falls into the first opening groove; when the cutting unit is opened, the middle stilts are separated from the smooth arc protrusions of the inclined plane to prop against the inclined plane, so that the cutting unit is in an opened state.

According to the technical scheme, the middle stilt and the first open slot of the bracket fixing piece are of a buckle structure, the inner side edge of the inclined plane at the opening of the first open slot is smooth circular arc, the open slot is provided with enough space for accommodating the stilt, when the cutting unit is opened, the middle stilt of the bracket fixing piece is elastic, the first bulge is lifted upwards to slide out of the inclined plane through the smooth circular arc at the inner side edge of the inclined plane, at the moment, the stilt falls out of the smooth inclined plane of the first bulge, the stilt props against the smooth inclined plane to keep the cutting unit in an open state, so that the bracket fixing piece cannot shake through the second rotating shaft, and as long as the bracket fixing piece is dismounted, the bracket assembly can be taken out towards the loading direction of the rotating shaft, and vice versa.

Preferably, the bracket component comprises a movable cutter, a fixed cutter fixing piece, a torsion spring and a bracket framework, wherein the fixed cutter is arranged in the bracket framework, the movable cutter is arranged in a groove of the fixed cutter, the fixed cutter fixing piece is arranged above the movable cutter, the torsion spring is arranged at the inner circumferential edge of the bracket framework, and the fixed cutter fixing piece and the bracket framework enclose a space for installing the movable cutter and the fixed cutter.

Preferably, the fixed cutter fixing piece comprises a pair of first arc sections and second arc sections which are mutually separated and concentric with the central hole, and a pair of third arc sections and fourth arc sections with the arc directions opposite to the arc directions of the central hole are arranged between the first arc sections and the second arc sections; the first arc section and the second arc section comprise arc sections with different radiuses at the inner side and the outer side, the two arcs with different radiuses of the first arc section and the second arc section are respectively connected with each other through a straight plate, and a pinching ring is arranged on the straight plate; the first arc section and the second arc section are respectively provided with a positioning lug at the outer side of the outer arc corresponding to the pinch ring; the bracket framework is provided with a limit open slot corresponding to the two positioning convex blocks.

The shaving device comprises the machine body and the razor head, and the buckling support piece is used for supporting and reinforcing the buckling structure, so that the service life of the buckling structure is prolonged, and the service life and the performance of a product are improved.

Drawings

FIG. 1 is a schematic view of a razor head of a shaving apparatus of the present invention;

FIG. 2 is a schematic illustration of the body of a shaving apparatus of the present invention;

FIG. 3 is an enlarged schematic view of the head of FIG. 2;

FIG. 4 is a schematic view of a foot rest support of a shaving apparatus of the present invention;

FIGS. 5-6 illustrate a body electronics mounting portion of a shaving apparatus of the present invention;

FIG. 7 is a schematic view in partial cross-section of the body of a shaving apparatus of the present invention;

FIG. 8 is a schematic illustration of the mounting position of a cutting unit and floating mount assembly of a razor head of the present invention;

FIGS. 9-11 are schematic views of a cutting unit of a razor head of the present invention;

FIG. 12 is a schematic view of a razor head of the present invention with a cutting unit open;

FIG. 13 is a schematic view of a carriage assembly of a cutting unit of a razor head of the present invention;

FIG. 14 is a schematic view of the mounting of a floating support and floating support spring of a cutting unit of a razor head of the present invention;

fig. 15 is a schematic view of a carrier base of a cutting unit of a razor head of the present invention.

In the figure:

100. Cutting unit, 110, bracket base, 111, aperture, 112, circular aperture, 113, first female port, 114, recess, 115, shaft aperture, 116, straight plate, 120, rotary shaft, 130, straight edge, 200, floating bracket base, 210, female slot, 220, rotary slot, 230, door-shaped projection, 240, slot clasp, 410, support tab, 411, foot tab, 412, rectangular aperture, 420, floating support, 421, cuboid projection, 422, climber, 500, floating support assembly, 600, bracket assembly, 610, first projection, 611, shaft aperture, 612, second projection, 613, first open slot, 630, movable knife, 640, torsion spring, 650, second rotary shaft, 660, stationary knife holder, 661, pinch ring, 662, bump, 670, stationary knife, 680, bracket backbone, 681, center hole, 682, boss, 683, second open slot, 684, open slot, 710, trapezoidal wall, 711, rotational slot, 712, circular arc shaped recess, 713, first step space, 714, second step space, 720, second concave mouth, 910, bracket mount, 911, side stile, 912, middle stile, 913, elongated bottom, 914, support button, 920, annular ring, 1000, fuselage, 1010, button leg, 1020, hole, 1030, boss, 1100, button leg support, 1110, middle face, 1120, side leg, 1130, bottom, 1140, card slot, 1400, PCB assembly, 1410, bracket, 1411, slot, 1420, contact tab, 1421, pin sheet metal, 1422, 1423, square hole, 1430.

Detailed Description

The present invention will be described in detail with reference to the accompanying drawings.

As shown in fig. 1-15, the shaving apparatus comprises a razor head, a main body 1000 and a foot buckling support member 1100, wherein the main body 1000 is provided with three buckling feet 1010 which are in a cuboid shape and vertically stand on the contact surface of the main body 1000 and the razor head, the foot buckling support member 1100 is provided with a bottom surface 1130, three surfaces extend from one side of the side surface of the bottom surface, a clamping groove 1140 is arranged in the middle of the other side, the three surfaces are all tilted upwards relative to the bottom surface 1130, the middle surface 1110 can be attached to the inward surface of the buckling feet, the surface 1110 resists the stress direction of the buckling feet 1010 to prolong the service life of the buckling feet, the other two surfaces 1120 are buckles, the angles relative to the bottom surface 1130 are the same, a pair of holes 1020 are formed in the vertical walls on the two sides of the buckling feet 1010, the two buckles 1120 of the foot buckling support member can just buckle in the two holes 1020, so that the support member has an acting point, the bottom surface 1130 of the foot buckling support member overlaps with the contact surface of the main body, a bulge 1030 corresponding to the clamping groove is arranged in the middle of the other side of the foot buckling support member, the bulge 1030 can just buckle in the middle of the other side of the foot buckling support member, and the buckling groove 1140 is arranged in the middle of the other side of the foot buckling support member, so that the buckling service life of the buckling support member can be prolonged.

In particular, when the two buckles 1120 of the second buckling support are inserted into the two holes 1020, the second buckling support has an application point, then the middle surface 1110 of the buckling support is attached to the inward surface of the buckling support, meanwhile, the protrusions 1030 of the contact surface of the machine body are just clamped in the clamping grooves 1140 of the buckling support, the protrusions are arranged and fastened to fix the whole buckling support 1100, when a force acts on the outer surface of the buckling support to apply pressure to the center direction of the machine body, the buckling support bends towards the center direction, and at the moment, the force applied by the buckling leg is transferred to the middle surface 1110 of the buckling support, and the buckling force is shared, so that the service life of the machine is prolonged.

The PCB assembly 1400 has a rectangular shape, a frame 1410 is provided at the root, two grooves 1411 are provided on the frame 1410, and openings are provided on the front and lower sides of the grooves 1411. The contact piece 1420 is a cuboid hardware, which can be just put into the slot 1411, the contact piece 1420 has three sides, two sides with the same rectangle and a rectangle bottom surface connected with the sides, a needle-shaped metal piece 1421 horizontally extends out of the middle of the opening of the bottom surface of the contact piece 1420, the needle-shaped metal piece 1421 is used for fixing the contact piece 1420 by inserting into a hole 1430 on the PCB assembly, a square hole 1423 is arranged on the bottom surface of the contact piece 1420, an inward rolled metal piece 1422 extends outwards from the edge of the hole, and the metal piece 1422 can just pass through the downward opening of the slot 1411 and is used for connecting with a pin of an adapter.

In particular, first, two contact pieces 1420 are inserted into two slots 1411 of a bracket 1410, the bottoms of the contact pieces 1420 face to the opening direction of the lower surface of the slot 1411, metal pieces 1422 are exposed out of the bracket through the downward opening of the slot 1411, and needle-shaped metal pieces 1421 are inserted downward into two holes 1430 on a PCB board assembly. The two pin-shaped metal sheets are inserted into the holes 1430 on the PCB and then soldered so that the contact sheet 1420 is fixed on the PCB assembly, the contact sheet 1420 being in electrical communication with the PCB assembly. Then, the PCB assembly 1400 with the contact piece 1420 is put into the body 1000 from top to bottom, the body is sleeve-shaped, the bottom of the body 1000 has an adapter pin 1510, the pin 1510 is directly tied with the sleeve-shaped shell during injection molding, the waterproof performance is improved, the process is improved, when the PCB assembly 1400 with the contact piece 1420 is inserted into the bottom of the body 1500, the pin 1510 props against the metal sheet 1422 of the contact piece, the metal sheet is pushed into the slot 1411, the metal sheet and the adapter pin are firmly contacted together due to the elasticity of the metal sheet 1422, and the installation, maintenance or replacement of the PCB assembly is more convenient.

The razor head includes at least two cutting units 100, at least two rotating shafts 120 and a cutting unit floating mount assembly 500, which will be described below as 3 cutting units.

Each razor head comprises three cutting units 100, three rotating shafts 120 and a floating support assembly 500, the three cutting units 100 can be spliced into one razor head, the three cutting units 100 are spliced into one complete razor head through the floating support assembly 500 and a first rotating shaft 120, wherein the first rotating shaft 120 is used for connecting the cutting units 100 and the floating support assembly 500, each cutting unit is provided with a shaft hole 115 for installing the rotating shaft, the floating support assembly 500 is uniformly provided with a plurality of rotating grooves 220 along the circumferential direction, the rotating grooves 220 are all arranged near the center of the floating support, and the installation position of the rotating shaft 120 on each cutting unit corresponds to the rotating grooves 220 of the floating support.

The three cutting units 100 are combined into a complete razor face diagonally from side to side, each cutting unit 100 has a box structure, and the side has two identical straight edges 130 when seen from the whole appearance, and the two edges intersect to form an angle of 120 degrees. The cutting unit 100 is bilaterally symmetrical and is formed by connecting the upper bracket assembly 600 and the lower bracket base 110 through the second rotation shaft 650, the bracket assembly 600 is provided with the second rotation shaft 650, the bracket base 110 is provided with the second rotation shaft 650 rotation groove 711, and the second rotation shaft 650 of the bracket assembly 600 is installed in the rotation groove 711 of the bracket base 110, thereby connecting the bracket assembly 600 and the bracket base 110 together. In order to prevent the second rotation shaft 650 from falling out of the rotation groove 711 of the bracket base 110, a bracket fixing member 910 may be installed between the bracket base 110 and the bracket assembly 600. The bracket assembly 600 has a first protrusion 610 obliquely upward at the edge, the first protrusion 610 is located on the symmetry line, a first opening groove 613 obliquely upward is formed in the first protrusion 610, the first protrusion 610 has four surfaces, a smooth inclined surface is formed on the upper surface, the bottom surface is the bracket base 110 and two parallel identical sides, a shaft hole 611 is formed at the same position on two sides of the first protrusion 610, a second protrusion 612 is formed beside the shaft hole, the second protrusion 612 has two surfaces, one surface close to the smooth round surface of the shaft hole 611 and the other surface is a plane, and the second protrusion has a limiting function.

The bracket base 110 is used for connecting the bracket assembly 600 and installing the driving component, the edge of the bracket base 110 is provided with a second concave opening 720 corresponding to the position of the first bulge 610 of the bracket assembly 600, two mutually symmetrical stepped walls 710 are respectively arranged on two sides of the inner wall of the bracket base 110, which are close to the second concave opening 720, one side surface of the stepped wall 710 is perpendicular to the horizontal plane and the symmetry line of the bracket base 110, the other side is connected with the edge of the inner wall of the bracket base 110 in a side-by-side manner, the two stepped walls 710 and the inner wall of the bracket base 110 enclose a two-step space, the lower part of the stepped space is provided with a first step space 713, the upper part of the stepped space is provided with a second step space 714, the inner wall of the bracket base 110 of the first space 713 is provided with a circular arc-shaped rotating groove 711, the root part of the circular arc-shaped rotating groove 711 is stopped at the stepped wall 710, the two mutually symmetrical circular arc-shaped rotating grooves 711 and the trapezoid wall 710 enclose a second rotating shaft 650 which is arranged in the rotating groove 711, and the circular arc-shaped groove 712 is parallel to the rotating groove 712 is not arranged in the first step space 713, and the circular arc-shaped groove 712 is used for placing the second bulge 612.

In particular, the second rotation shaft 650 may be first inserted into the shaft hole 611, and the length of the second rotation shaft 650 is longer than the length of the shaft hole 611; then, the bracket assembly 600 is horizontally moved relative to the bracket base 110 to enable the first protrusion 610 to be buckled into the second concave opening 720, as shown in fig. 8, at this time, the second rotating shaft 650 is just installed into the rotating groove 711 towards the opening direction of the two trapezoid walls 710, the second protrusion 612 is just dropped into the concave groove 712, at this time, the cutting unit is in a closed state, the bracket assembly 600 is opened through the second rotating shaft 650, and during the opening process, the second protrusion 612 performs a circular motion through the second rotating shaft 650 until the second protrusion 612 touches the horizontal trapezoid wall on the second step space 714, at this time, the angle between the bracket assembly 600 and the bracket base 110 reaches the maximum, so that the uppermost horizontal wall of the trapezoid wall 710 plays a limiting role, and the opening angle is about 110. Finally, the bracket assembly 600 is prevented from falling off in the opening direction of the rotating groove 711 by fixing the bracket by the bracket fixing member 910, the bracket fixing member 910 comprises three legs, an elongated bottom surface 913 and an arched supporting buckle 914, the bracket fixing member 910 is E-shaped, the three legs of the bracket fixing member 910 are inclined upward relative to the horizontal plane, the two side legs 911 are inclined at the same angle, one end of the supporting buckle 914 is connected to the middle position of the other side of the elongated bottom surface 913, the supporting buckle 914 is opened downward, the ends of the two side legs 911 of the bracket fixing member 910 are respectively vertically extended with two protrusions, one of which is extended in the end direction and the other of which is extended outward, and the protrusions extending in the end direction of the two side legs 911 of the bracket fixing member 910 are inserted into the loading opening of the second rotating shaft 650 until the protrusions extending in the end direction of the two side legs 911 of the bracket fixing member 910 touch the protruding trapezoid walls 710 extending outward when the bracket fixing member 910 is mounted. Such a protrusion extending toward the end portion plays a role of a pin to prevent the tray from falling off in the loading direction, and the other protrusion extending toward the outside plays a role of a limit to limit the two side legs 911 against the second rotation shaft 650, at this time, the support buckle 914 is buckled into the recess 730 to prevent the tray fixing member 910 from falling off in the loading direction, and a recess 730 corresponding to the support buckle 914 is formed in the circular ring 920 in the middle of the inner bottom surface of the tray base 110. The arch structure of the support button 914 is provided with elasticity, which is more convenient when being disassembled. The middle leg 912 of the holder fixing member 910 and the first opening groove 613 are formed as a snap-fit structure, the inner side edge of the inclined plane 610 at the opening of the first opening groove 613 is formed as a smooth circular arc shape, when the cutting unit 100 is closed, the leg 912 is dropped into the first opening groove 613, the first opening groove 613 has enough space to place the leg 912, when the cutting unit 100 is opened, the middle leg 912 of the holder fixing member 910 is elastically formed, the first protrusion 610 is tilted upward and slides out of the inclined plane through the smooth circular arc shape of the inner side edge of the inclined plane, at this time, the leg 912 is dropped out of the smooth inclined plane of the first protrusion 610, the leg 912 is supported against the smooth inclined plane to keep the cutting unit 100 in an opened state, so that the leg 912 is not rocked by the second rotation shaft 650, and when the cutting unit 100 is closed, the smooth surface of the first protrusion 610 is pressed against the middle leg 912 until the edge of the smooth inclined plane is tilted upward, and then dropped into the first opening groove 613, and the holder fixing member 910 is restored to its original state. Thus, the bracket assembly 500 can be removed toward the loading direction of the rotation shaft 650 by simply removing the bracket fixing member 910, and vice versa.

The bracket assembly 600 includes a movable blade 630, a stationary blade 670, a stationary blade holder 660, a torsion spring 640, and a bracket backbone 680. The stationary knife 670 is installed in the bracket framework, the movable knife 630 is arranged in the groove of the stationary knife 670, the stationary knife fixing piece 660 is arranged above the movable knife 630 and fixedly connected with the bracket framework 680, so that the movable knife 630 and the stationary knife 670 are stabilized in the inner space enclosed by the bracket framework 680 and the stationary knife fixing piece 660. A torsion spring 680 is installed at an inner circumferential edge of the bracket frame, and functions to lock the bracket assembly 600 and the bracket fixing base 110 when the cutting unit 100 is in the closed state, so that the cutting unit 100 is maintained in the closed state.

The bracket frame 680 is bilaterally symmetrical, a center hole 681 is arranged in the middle of the bracket frame 680, the center hole 681 is arranged on the symmetry axis of the bracket frame 680, the diameter of the center hole 681 is vertical to the symmetry axis of the bracket frame 680, two protrusions 682 are arranged at the positions, far away from the symmetry line, of the edges of the center hole 681, two parallel horizontal open grooves 684 and second open grooves 683 are formed in the protrusions 682 towards the center direction, the first end and the last end of the torsion spring 680 are respectively inserted into the second open grooves 683, and the torsion spring 680 plays a role in keeping the bracket closed.

In a specific implementation, the stationary knife is first installed into the central hole 681 for fixing, and the movable knife is placed into the stationary knife slot. Then, the stationary knife and the movable knife are fixed by a stationary knife fixing piece 660, wherein the stationary knife fixing piece 660 comprises a pair of first arc sections and second arc sections which are mutually separated and concentric with a central hole 681, and a pair of third arc sections and fourth arc sections with the arc direction opposite to the arc direction of the central hole 681 are arranged between the first arc sections and the second arc sections; the first arc section and the second arc section comprise arc sections with different radiuses at the inner side and the outer side, the two arcs with different radiuses of the first arc section and the second arc section are respectively connected with each other through a straight plate, and a pinching ring 661 is arranged on the straight plate; the first arc section and the second arc section are provided with positioning projections 662 outside the outer arcs corresponding to the pinch rings, respectively.

Before the fixed knife fixing member 660 is installed, the two pinching rings 661 are held by the hand, at this time, the fixed knife fixing member 660 has quite good elasticity due to the structure that the radian is not quite large, and the shallow concave groove 663 is arranged between the outer sides of the two arc-shaped bars, the fixed knife fixing member 660 can be compressed towards the pinching force direction, then the two protrusions 662 are aligned with the two opening grooves 684 on the bracket framework 680 and then put on hand, the fixed knife fixing member 660 is restored to be the original state, and the two protrusions 662 are inserted into the two opening grooves 684. When the fixed knife is disassembled, the movable knife 630 and the fixed knife 670 can be disassembled for cleaning or replacing only by pinching the two pinching rings 661 of the two fixed knife fixing elements 660 by hands to disassemble the fixed knife fixing elements 660, and vice versa.

The bottom of the cutting unit 100 comprises a round hole 112 reserved for a coupling part of a driving circular knife, a hole 11, a first concave opening 113 and a concave part 114 all fall on the symmetrical line of the cutting unit 100, the concave part 114 is in an area surrounded by a straight edge 130, a straight plate 116 extends out of the edge symmetrical axis direction of the concave part 114 and falls in the concave part 114, and a shaft hole 115 is formed on the straight plate.

In particular, the first rotating shaft 120 is inserted into the cutting unit straight shaft hole 115. The three cutting units 100 with the first rotation shaft 120 are assembled into the three rotation grooves 711 of the floating support assembly 500, the floating support assembly 500 includes the floating support base 200, the supporting spring plate 410 and the floating support member 420, the floating support base 200 is circular and includes the concave grooves 220, the groove buckles 240 and the door-shaped protrusions 230 which are equal to the cutting units 100, the groove buckles 240 are arranged below the protrusions 230, the concave grooves 210 and the groove buckles 240 are staggered on the circumference of the floating support base 200, the concave grooves 210 are close to the floating support base 200, and two opposite openings are formed at the middle positions of two sides of the concave grooves 210 respectively to form the rotation shaft grooves 220 for accommodating the first rotation shaft 120 inserted into the straight plates 116. The straight plate 116 inserted with the rotating shaft 120 is inserted into the concave groove 210 of the floating support base 200 of the cutting unit, and the first rotating shaft 120 is buckled into the rotating shaft groove 220 to fix the straight plate 116, so that when the cutting unit 100 floats downwards through the rotating shaft 120 due to the fact that the first rotating shaft 120 is very close to the center, the structure can increase the floating displacement of part of the cutting unit 100, and the shaving facing is more comfortable.

The supporting spring plate 410 is in a six-claw shape and comprises a bottom surface and six pin pieces 411, the six pin pieces 411 are upturned relative to the bottom plate, each two pin pieces 411 support one cutting unit 100, the cutting unit 100 is elastic when being pressed down, grooves are formed between the two pin pieces 411 and the two pin pieces 411, and a rectangular hole 412 is formed between each two grooves; the three claws of the floating support 420 comprise a bottom surface and three climbers 422, the climbers 422 are vertical to the bottom surface of the floating support 420, a cuboid protrusion 421 is arranged between every two climbers 422, the three protrusions 421 of the floating support 420 can be buckled in the three rectangular holes 412 of the supporting spring plate 410, the floating support 420 and the supporting spring plate 410 are fixed together, the three buckles 422 of the floating support 420 can penetrate through the grooves of the supporting spring plate 410, the floating support 420 and the supporting spring plate 410 are assembled into the floating support base 200 together, the three door-shaped protrusions 230 can just buckle the three grooves of the supporting spring plate 410, the floating support 420 and the supporting spring plate 410 are fixed on the floating support base 200, the three buckles 422 of the floating support 420 are aligned with the three groove buckles 240, and the floating support 420 and the supporting spring plate 410 are prevented from falling off in the installation direction, and the state is shown in fig. 5. The floating support 420 and the support spring 410 can be taken down and taken out together during the disassembly.

It should be noted that, in order to prevent the bracket assembly from falling off in the opening direction of the rotating groove, the bracket fixing member includes three legs, an elongated bottom surface and an arched supporting buckle, as another improvement of the present invention, there is a first protrusion obliquely upward at the edge of the bracket assembly, there is a shaft hole at the same position of both sides of the first protrusion, there is a second protrusion beside the shaft hole, the second protrusion has two sides, one side is a smooth round surface near the shaft hole and the other side is a plane, there are two mutually symmetrical stepped walls at both sides of the inner wall of the bracket base near the concave opening, and the second protrusion and the trapezoidal walls cooperate to play a limiting role to open the cutting unit to the maximum angle.

The above description is only of the preferred embodiments of the present invention and is not intended to limit the present invention, but various modifications and variations can be made to the present invention by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The shaver is characterized by comprising a shaver head, a shaver body and a foot buckling support piece, wherein a plurality of foot buckling pieces (1010) are arranged on the contact surface of the shaver body (1000) and the shaver head, mounting notches are formed in pairs on one side of the foot buckling pieces, which is far away from the center of a contact plane, and a bulge (1030) is formed on one side of the foot buckling piece, which is close to the center of the contact plane; a clamping groove matched with the buckling pin (1010) is formed in the contact surface of the razor head and the razor body, and the clamping groove is in buckling connection with the buckling pin (1010); the foot buckling support piece (1100) comprises a bottom transverse surface (1130), a middle plane (1110) and a bottom side surface (1120), wherein the bottom transverse surface (1130), the middle plane (1110) and the bottom side surface (1120) form a mountain-shaped structure, the bottom transverse surface (1130) is provided with an opening towards an edge pit (1140), the pit is sleeved outside the protrusion (1030), the free end of the bottom side surface (1120) is tilted upwards relative to the bottom transverse surface (1130), the bottom side surface (1120) stretches into the mounting notch, and the middle plane (1110) is vertically and upwards mutually attached with the foot buckling (1010) in a direction close to the center;

The razor head comprises at least two cutting units (100), a first rotating shaft (120) and a floating support assembly (500), wherein a plurality of cutting units (100) are connected into a complete razor head through the first rotating shaft (120) and the floating support assembly (500), the cutting units (100) are connected with the floating support assembly (500) through the rotating shaft (120), each cutting unit (100) is provided with a first shaft hole (115) for installing the first rotating shaft (120), the floating support assembly (500) comprises a floating support base (200), a supporting spring piece (410) and a floating support piece (420), the floating support base (200) is circular, a plurality of rotating grooves are uniformly distributed along the circumferential direction, the installation position of the first rotating shaft (120) on each cutting unit (100) is consistent with the number of rotating grooves A (220) of the floating support base (200) of the cutting unit, and the rotating grooves A (220) are arranged in the center of the floating support assembly (500);

The cutting unit (100) comprises a bracket assembly (600), a bracket base (110) and a second rotating shaft (650), wherein the bracket assembly and the bracket base are rotationally connected through the second rotating shaft; the bracket assembly (600) is provided with a first bulge (610) which is inclined upwards, and the first bulge (610) is provided with a first opening groove (613) which is inclined upwards and a second shaft hole (611); the edge of the bracket base (110) is provided with a second concave opening (720) corresponding to the first bulge (610) of the bracket assembly (600), and the second concave opening (720) is provided with a mounting groove of a second rotating shaft (650); the middle section of the second rotating shaft (650) passes through the second shaft hole (611), and two ends of the second rotating shaft (650) are clamped into the mounting grooves;

the cutting unit (100) further comprises a bracket fixing piece, one end of the bracket fixing piece is clamped into the bracket base and is arranged in the rotating groove B (711) and is propped against the second rotating shaft, and the other end of the bracket fixing piece is fixed at a position, away from the rotating groove B (711), in the bracket base; the bracket fixing piece (910) comprises two legs, a long bottom surface (913) and an arched supporting buckle (914), the inclination angles of the two side legs (911) are the same, a groove (730) corresponding to the supporting buckle (914) is arranged on the inner bottom surface of the bracket base (110), the arched supporting buckle (914) is connected to the middle position of the other side of the long bottom surface (913), two bulges are respectively and vertically extended from the end parts of the two side legs (911) of the bracket fixing piece (910), one bulges towards the end parts and is sealed in the rotating groove B (711), and the other bulges outwards and are in contact with the opening of the rotating groove B (711);

The bracket assembly (600) comprises a movable cutter (630), a fixed cutter (670), a fixed cutter fixing piece (660), a torsion spring (640) and a bracket framework (680), wherein the fixed cutter (670) is arranged in the bracket framework (680), the movable cutter (630) is arranged in a groove of the fixed cutter (670), the fixed cutter fixing piece (660) is arranged above the movable cutter (630), the torsion spring (640) is arranged on the inner circumferential edge of the bracket framework, and the fixed cutter fixing piece (660) and the bracket framework (680) enclose a space for installing the movable cutter (630) and the fixed cutter (670).

2. The shaving apparatus of claim 1 wherein the bottom of the body is provided with pins, a PCB board assembly (1400) and a stand (1410), the pins being injection molded within the body housing; the PCB assembly is connected with one end of the contact piece (1420), and the other end of the contact piece (1420) is contacted with the top of the contact pin; the contact piece (1420) is provided with a metal piece (1422) which extends outwards near one end of the PCB assembly, the metal piece (1422) is inserted into two grooves (1411) of the bracket (1410), and the metal piece (1422) is exposed out of the bracket (1410) through a downward opening of the groove (1411).

3. The shaving apparatus as claimed in claim 1, wherein the razor head further comprises a metallic texture (1310), wherein the cutting unit (100) is provided with a dent at the edge of the plane in which the blade (670) is located, and wherein the metallic texture (1310) is fixed at the dent.

4. The shaving apparatus as claimed in claim 1, characterized in that the second shaft hole (611) of the carrier assembly is provided with second protrusions (612) at both ends, respectively, the concave opening of the carrier base is provided with circular arc-shaped grooves (712), the circular arc-shaped grooves (712) are connected in parallel with the rotating grooves B (711) and are not in the first step space (713), the second protrusions (612) fall into the circular arc-shaped grooves (712) when the cutting unit (100) is closed, the second protrusions (612) do circular motion through the second rotating shaft (650) when opened, the second protrusions (612) collide with the horizontal trapezoid wall on the second step space (714) to stop rotating, and the angle between the carrier assembly (600) and the carrier base (110) reaches the maximum.

5. The shaving apparatus as claimed in claim 1, characterized in that the carrier holder further comprises a middle leg (912) arranged between the two side legs (911), the beveled inner edge at the first open slot (613) of the carrier assembly being a smooth circular arc projection forming a snap-fit structure with the middle leg (912); when the cutting unit (100) is closed, the middle leg (912) and the smooth arc bulge of the inclined plane are in a buckling state, and the middle leg (912) falls into the first opening groove (613); when the cutting unit (100) is opened, the middle stilts (912) are separated from the smooth circular arc protrusions of the inclined plane to prop against the inclined plane, so that the cutting unit (100) is opened.

6. The shaving apparatus as claimed in claim 1, wherein the stationary cutter holder (660) comprises a pair of first and second arc segments concentric with the central hole (681) spaced apart from each other, a pair of third and fourth arc segments having an arc direction opposite to that of the central hole (681) being provided between the first and second arc segments;

the first arc section and the second arc section comprise arc sections with different radiuses at the inner side and the outer side, the two arcs with different radiuses of the first arc section and the second arc section are respectively connected with each other through a straight plate, and a pinching ring (661) is arranged on the straight plate; the first arc section and the second arc section are respectively provided with a positioning lug (662) at the outer side of the outer arc corresponding to the pinch ring; the bracket framework (680) is provided with a limit open groove (684) corresponding to the two positioning convex blocks (662).