CN110802638A

CN110802638A - Shaver with a handle

Info

Publication number: CN110802638A
Application number: CN201810885516.7A
Authority: CN
Inventors: 孟凡迪; 邱云峰
Original assignee: Soocare Shenzhen Technology Co Ltd
Current assignee: Soocare Shenzhen Technology Co Ltd
Priority date: 2018-08-06
Filing date: 2018-08-06
Publication date: 2020-02-18

Abstract

The invention provides a shaver, which comprises a handle and a shaver head assembly arranged on the handle, wherein the shaver head assembly is connected with the handle through a floating assembly which can move up and down and can rotate, the floating assembly comprises a fixing piece fixedly connected with the handle and a floating rotating structure connected between the shaver head assembly and the fixing piece, an included angle is formed between the bottom surface of the shaver head assembly and the top surface of the fixing piece when the shaver head assembly is driven by the floating rotating structure to float, and the included angle ranges from 0 degree to 30 degrees. In the invention, the cutter head component is under the action of skin pressure during shaving, an included angle a of 0-30 degrees is formed between the cutter head component and the fixing component, and the cutter head component can be better attached to the skin of the face after being inclined in the angle range; and after skin exogenic action disappeared, the tool bit subassembly can reset under the drive of unsteady revolution mechanic, so, more can adapt to the curve change of face, avoid with the rigid contact of face.

Description

Shaver with a handle

Technical Field

The invention relates to the technical field of personal care, and particularly provides a shaver.

Background

In the field of personal care products, such as electric shavers, most of the structures are shown in fig. 1, a shaving unit 10 'is fixedly connected to a supporting handle 20', i.e. the shaving unit 10 ' cannot move relative to the supporting handle 20 ', while the shaving heads on the shaving unit 10 ' are rotated by internal transmission means (not shown in the drawings) for the shaving operation, which, although fulfilling the shaving requirements, however, when the shaving unit 10 'moves on the skin surface, there is a harsh interference between the shaving unit 10' and the skin, which completely depends on the grip of the user to adjust the shaving strength, when the shaving unit 10' is felt to be in tight contact with the skin, the shaver is pressed a little loose by the human hand, and, on the contrary, pressed a little tight, in the whole shaving process, the hands are in a tense state, and after shaving is finished, the hands may feel sour and painful, and the use experience is very poor.

Disclosure of Invention

The invention aims to provide a shaver, and aims to solve the technical problems that a shaving unit of the shaver cannot move relative to a supporting structure, the flexibility is not high, and the user experience is poor in the prior art.

In order to achieve the purpose, the invention adopts the technical scheme that: the utility model provides a shaver, includes the handle and locates tool bit subassembly on the handle, the tool bit subassembly with the handle is through reciprocating and rotatable floating assembly connection, floating assembly include with handle fixed connection's mounting and connect in tool bit subassembly with floating revolution mechanic between the mounting, the tool bit subassembly is in when floating revolution mechanic drives and floats the bottom surface of tool bit subassembly with form the contained angle between the top surface of mounting, the scope of contained angle is 0-30.

Further, the tool bit subassembly includes the casing, locates two at least units of shaving on the casing and locating drive mechanism in the casing, be equipped with the power supply in the handle, the output shaft of power supply passes the mounting the revolution mechanic that floats with drive mechanism connects, when the revolution mechanic that floats the casing bottom surface with the top surface of mounting forms the contained angle.

Furthermore, the top of the handle is provided with an installation inclined plane, and the bottom surface of the shell and the top surface of the fixing piece are parallel to the installation inclined plane in a natural state.

Further, the floating rotary structure includes,

the first hinge is arranged in the shell, and a first through circular matching groove is formed in the first hinge;

the top of the second hinge is provided with a matching part arranged in the first matching groove, a limiting structure which prevents relative rotation and can be separated along the central axis direction of the first matching groove is arranged between the first matching groove and the matching part, a first circular central hole penetrating to the bottom of the second hinge is arranged in the matching part, and the bottom of the second hinge penetrates through the first hinge and extends into the fixed part;

the elastic piece is in a hollow cylindrical shape and penetrates through the first matching groove and the first central hole of the second hinge, and two ends of the elastic piece can respectively abut against the cutter head assembly and the fixing piece respectively.

Furthermore, limit structure is including locating the first spacing plane of cooperation portion surface and locating in the first cooperation inslot can with the second spacing plane laminating of first spacing plane.

Further, a first spherical cambered surface is arranged in the first matching groove, and a second spherical cambered surface matched with the first spherical cambered surface is arranged on the surface of the matching part; alternatively, the first fitting groove has a first flat surface therein, and the fitting portion surface has a second flat surface fitted with the first flat surface.

Furthermore, a second matching groove is formed in the matching portion, at least one first connecting hole is formed in the second matching groove wall, at least one second connecting hole is formed in the first matching groove wall, corresponds to and is communicated with the first connecting hole, an installation column is arranged on the fixing piece, and the second hinge is fixedly connected with the fixing piece through a fastener penetrating through the first connecting hole, the second connecting hole and the installation column.

Further, the cutter head assembly further comprises a hinge cover plate arranged in the shell, a mounting hole is formed in the bottom of the shell, the first hinge is fixed at the mounting hole through the hinge cover plate, the second hinge extends out of the mounting hole and is fixedly connected with the fixing piece, the top end of the elastic piece abuts against the hinge cover plate, and the bottom end of the elastic piece abuts against the fixing piece.

Furthermore, the edge of mounting hole is equipped with an at least dog, first cooperation groove edge outwards extends and forms annular flange, annular flange arranges in the mounting hole edge, correspond on the annular flange dog department is equipped with first groove of keeping away, hinge apron lid is located in the first cooperation inslot, just be equipped with on the edge of hinge apron at least one can block in the fixture block of dog department.

The flexible support is wrapped outside the second hinge, the top of the flexible support is arranged in the mounting hole, the first hinge is arranged on the edge of the top of the flexible support in a pressing mode, and the bottom of the flexible support is sleeved on the outer wall of the fixing piece.

The invention has the beneficial effects that:

according to the shaver head assembly, the fixing piece and the shaver head assembly are provided with the floating rotating structure, so that the shaver head assembly floats under the driving of the floating rotating structure during shaving, an included angle of 0-30 degrees is formed between the shaver head assembly and the fixing piece during floating, when the included angle is 0 degree, the shaver head assembly is in a natural state and is not influenced by external force, and the shaver head assembly and the fixing piece are in a parallel state; when shaving, the cutter head component is inclined downwards by a certain angle under the action of skin pressure, at the moment, an included angle of 0-30 degrees is formed between the cutter head component and the fixing piece, and the cutter head component can be better attached to the skin of the face after being inclined in the angle range; and after skin exogenic action disappeared, the tool bit subassembly can reset under the drive of unsteady revolution mechanic, so, tool bit subassembly constantly with skin laminating, separation, more can adapt to the curve change of face, avoid with the rigid contact of face to bring more comfortable the experience of shaving for the user.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the embodiments or the prior art descriptions will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without inventive exercise.

FIG. 1 is a schematic view of a prior art razor;

fig. 2 is a schematic perspective view of a shaver according to an embodiment of the present invention;

FIG. 3 is a front view of a shaver according to an embodiment of the present invention;

fig. 4 is a side view of a shaver provided by an embodiment of the present invention when not in operation;

fig. 5 is a first front view of the shaver according to the embodiment of the present invention;

fig. 6 is a second front view of the shaver according to the embodiment of the present invention;

fig. 7 is a first side view of the shaver according to the embodiment of the present invention in operation;

fig. 8 is a second side view of the shaver according to the embodiment of the invention in operation;

fig. 9 is an assembled cross-sectional view of a head assembly and a mount in a shaver according to an embodiment of the present invention;

fig. 10 is a schematic structural view of a first hinge in the shaver according to the embodiment of the invention;

fig. 11 is a schematic structural view of a second hinge in the shaver according to the embodiment of the invention;

fig. 12 is an exploded view of the first hinge, the second hinge and the elastic member of the shaver according to the embodiment of the present invention before assembly;

fig. 13 is a longitudinal sectional view of the shaver according to the embodiment of the present invention after the first hinge and the second hinge are assembled;

fig. 14 is a top view of the assembly of the first hinge and the second hinge in the shaver according to the embodiment of the invention;

fig. 15 is a schematic structural view of a structural member of a shaver according to an embodiment of the present invention;

fig. 16 is a schematic structural view of a hinged cover plate in a shaver according to an embodiment of the present invention;

FIG. 17 is a partial schematic view of a housing of a shaving razor according to an embodiment of the invention at a stop;

wherein, in the figures, the respective reference numerals:

10' -a shaving unit; 20' supporting a handle; 100-a handle; 110-mounting an inclined plane; 200-a cutter head assembly; 210-a housing; 211-mounting holes; 212-a stop; 213-card slot; 214-a stopper; 220-a shaving unit; 230-a hinged cover plate; 231-a first annular projection; 232-fixture block; 233-a second avoiding slot; 300-a fixture; 310-mounting posts; 320-step surface; 330-a second annular projection; 400-a floating rotating structure; 410-a first hinge; 411-a first mating slot; 412-first spherical arc; 413-a second limiting plane; 414-positioning block; 415-second connection hole; 416-an annular flange; 417 — first avoidance slot; 418-semicircular positioning holes; 420-a second hinge; 421-a mating portion; 422-a second mating groove; 423-first central hole; 424 — first limiting plane; 425-a first connection aperture; 426-a connecting part; 427 positioning bosses; 428-dishing; 429-a semi-circular aperture; 430-an elastic member; 440-a fastener; 450-flexible stent.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are illustrative and intended to be illustrative of the invention and are not to be construed as limiting the invention.

In the description of the present invention, it is to be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships illustrated in the drawings, and are used merely for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, are not to be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

Referring to fig. 2 and 3, a shaver according to an embodiment of the present invention includes a handle 100 and a cutter head assembly 200 disposed on the handle 100, wherein the cutter head assembly 200 is connected to the handle 100 through a floating assembly capable of moving up and down and rotating. The floating assembly comprises a fixing member 300 fixedly connected with the handle 100 and a floating rotary structure 400 connected between the cutter head assembly 200 and the fixing member 300, and an included angle a is formed between the bottom surface of the cutter head assembly 200 and the top surface of the fixing member 300 when the cutter head assembly 200 floats under the driving of the floating rotary structure 400, and the included angle a ranges from 0 degree to 30 degrees.

In the embodiment of the present invention, the floating rotary structure 400 is disposed between the fixing member 300 and the cutter head assembly 200, so that the cutter head assembly 200 is driven by the floating rotary structure 400 to float during shaving, and an included angle a of 0 to 30 ° is formed between the cutter head assembly 200 and the fixing member 300 during floating, as shown in fig. 2 and 3, when the included angle a is 0 °, the cutter head assembly 200 is in a natural state and is not affected by an external force, and the cutter head assembly 200 and the fixing member 300 are in a parallel state; referring to fig. 4 to 7, when shaving, the cutter head assembly 200 is pressed by the skin and inclined downward by a certain angle, and at this time, an included angle a of 0 to 30 degrees is formed between the cutter head assembly 200 and the fixing member 300, and in this angle range, the cutter head assembly 200 can be better attached to the skin of the face after being inclined; and after skin exogenic action disappeared, tool bit subassembly 200 can reset under floating revolution mechanic 400 drives, so, tool bit subassembly 200 is constantly with skin laminating, separation, more can adapt to the curve change of face, avoids with the rigid contact of face to bring more comfortable the experience of shaving for the user.

Specifically, the cutter head assembly 200 includes a housing 210, at least two shaving units 220 (in this embodiment, three shaving units 220) disposed on the housing 210, and a transmission mechanism (not shown) disposed in the housing 210, a power source (not shown) is disposed in the handle 100, an output shaft of the power source passes through the fixing member 300 and the floating rotation structure 400 to be connected to the transmission mechanism, and an included angle a is formed between the bottom surface of the housing 210 and the top surface of the fixing member 300 when the floating rotation structure 400 floats.

Further, referring to fig. 4 again, the top of the handle 100 has an installation slope 110, when installed, the bottom surface of the housing 210 is parallel to the top surface of the fixing member 300 and the installation slope 110, and when the shaver is in a natural state, the bottom surface of the housing 210 is parallel to the top surface of the fixing member 300 and the installation slope 110. The front surface of the handle 100 is provided with a switch, an indicator light, and the like. When the handle 100 is held forward, the inclined mounting surface 110 faces a person, and at this time, the shaving unit 220 located on the top surface of the housing 210 is inclined like the inclined mounting surface 110, and when the face is slightly lifted during shaving, the skin of the face is also inclined, so that the shaving unit 220 can be more naturally attached to the skin of the person, and the person can hold the hand in a natural state without particularly lifting the hand at a certain angle.

In this embodiment, there are three shaving units 220, and the center line connecting the three shaving units 220 is an equilateral triangle. When the three shaving units 220 are respectively brought into contact with the skin, the entire head unit 200 may be respectively tilted downward or floated in the direction in which the three shaving units 220 are located. Of course, the three shaving units 220 are mainly pressed and floated during shaving, and the cutter head assembly 200 may be pressed at any position of the circumference of the housing 210, so that the above-mentioned fitting and floating experience can be obtained.

In this embodiment, when one of the shaving units 220 is inclined downward to the limit, as shown in fig. 5 to 8, the angle a between the bottom surface of the housing 210 and the top surface of the fixing member 300 is the largest. The maximum value is 30. The angle is set at the critical angle, which is obtained through multiple times of simulation experiments and calculation, on one hand, the shaving unit 220 can still finish shaving operation under the limit inclination angle, and meanwhile, the angle does not clamp skin or hands when the shaver is in a starting state due to misoperation, and in addition, the angle provides enough space between the cutter head assembly 200 and the handle 100 so as to be convenient for cleaning beard entering between the cutter head assembly and the handle.

Specifically, referring to fig. 9 to 14, the floating rotating structure 400 includes a first hinge 410 disposed in the housing 210, the first hinge 410 having a first fitting groove 411 therein; the first fitting groove 411 has a first spherical arc surface 412 therein, the center of the first spherical arc surface 412 is O, the first fitting groove 411 has a circular cross section and a central axis L, and the bottom of the first fitting groove 411 penetrates the first hinge 410, that is, the first hinge 410 is hollow.

And the top of the second hinge 420 is provided with a matching part 421 arranged in the first matching groove 411, the matching part 421 is spherical, and the outer wall surface of the matching part 421 is matched with the cambered surface of the first spherical cambered surface 412, so that when the matching part 421 is arranged in the first matching groove 411, the outer wall surface of the matching part 421 can be better attached to the first spherical cambered surface 412. A limiting structure for preventing relative rotation is provided between the engaging portion 421 and the first engaging groove 411. The second matching groove 422 is arranged in the matching portion 421, the bottom of the second matching groove 422 is provided with a first central hole 423 penetrating to the bottom of the second hinge 420, the cross section of the first central hole 423 is circular, the bottom of the second hinge 420 penetrates through the first hinge 410 and extends into and is fixed on the fixing member 300, and thus, the second hinge 420 is fixedly connected with the fixing member 300 into a whole.

The elastic member 430 is hollow cylindrical and is penetrated through the first central hole 423, the second matching groove 422 and the first matching groove 411 of the second hinge 420, the top end of the elastic member 430 abuts against the bottom of the cutter head assembly 200, and the bottom end of the elastic member 430 abuts against the top of the fixing member 300.

Further, the cutter head assembly 200 further includes a hinge cover 230 disposed in the housing 210, the bottom of the housing 210 has a mounting hole 211, the first hinge 410 is fixed at the mounting hole 211 through the hinge cover 230, the second hinge 420 matched with the first hinge 410 extends out of the mounting hole 211 to be fixedly connected with the fixing member 300, the top end of the elastic member 430 abuts against the hinge cover 230, and the bottom end of the elastic member 430 abuts against the fixing member 300. In the present embodiment, the first hinge 410 is fixed at the mounting hole 211 by the hinge cover 230. In other embodiments, the hinge cover 230 may be omitted and the first hinge 410 may be fixed to the mounting hole 211 by its own structural design or other parts.

In the non-operating state, the elastic force of the elastic member 430 pushes the hinge cover 230 and the fixing member 300 along the central axis L toward both ends, so that the first hinge 410 fixedly connected to the hinge cover 230 and the second hinge 420 fixedly connected to the fixing member 300 are tightly attached to each other by a spherical arc.

When the shaver is in operation, the shaving unit 220 is in contact with the face and is pressed by the acting force of the face, the shell 210 drives the hinge cover plate 230 to move downwards to press the elastic member 430, and the first hinge 410 also moves downwards, when the acting force is greater than the elastic force of the elastic member 430, the elastic member 430 is compressed, in the process, the rotation-preventing limiting structures between the first hinge 410 and the second hinge 420 are separated, so that the hinge cover plate 230 and the shaving unit 220 can rotate around the spherical center O of the first spherical cambered surface 412 along with the first hinge 410, and the cutter head assembly 200 rotates within a range of 360 degrees, in the rotating process, the elastic member 430 is flexibly connected between the cutter head assembly 200 and the fixing member 300, so that the cutter head assembly 200 rotates more smoothly within the range of 360 degrees; when the shaving unit 220 acts on different parts of the face, the face changes in response to the external force applied to the shaving unit 220, when the external force applied to the shaving unit 220 is reduced, that is, the external force is smaller than the elastic force of the elastic member 430, the elastic member 430 elastically returns to push the hinge cover 230 upwards, the first hinge 410 and the cutter head assembly 200 move upwards, the limiting structure between the first hinge 410 and the second hinge 420 is re-matched to prevent the first hinge 410 and the second hinge 420 from rotating relatively, in the process, the shaving unit 220 floats upwards and downwards along the central axis L, and can adapt to the curve change of the face, and avoid hard contact with the face, so that more comfortable use experience is brought to a user.

The above-described rotation of the cutter head assembly 200 is based on the separation of the limit structures between the first hinge 410 and the second hinge 420 when the cutter head assembly 200 is vertically pressed, so that the above-described up-and-down floating effect occurs. As shown in fig. 9 to 13, the cross section of the first engagement groove 411 of the first hinge 410 is circular, and is substantially circular with the engagement portion 421 of the second hinge 420, and the elastic member 430 is hollow cylindrical, that is, when pressed at any position along the circumferential direction of the housing 210, the hinge cover 230 is correspondingly acted on by a downward force at the position, and at this time, the elastic member 430 is correspondingly compressed downward at the position, so that the pressed end is inclined downward, and the other end opposite to the pressed end is elastically floated, so that a floating angle as shown in fig. 5 to 8 occurs, and at this floating angle, the cutter head assembly 200 can better engage with the skin, the shaving effect is better, at this time, the limit structure is not separated, the cutter head assembly 200 cannot rotate, and the low shaving unit 220 can better perform the shaving operation when inclined downward.

The first engagement groove 411 and the engagement portion 421 may have other engagement shapes. For example, a first plane is disposed in the first fitting slot 411, the first plane horizontally extends inward along the bottom edge of the first fitting slot 411, and the fitting portion 421 is superficially disposed with a second plane fitting with the first plane. The second plane is a bottom plane of the fitting portion 421. When the matching part 421 of the second hinge 420 extends into the first matching slot 411 of the first hinge 410, the second plane of the matching part 421 is overlapped with the first plane in the first matching slot 411, and when the limiting structure is separated, the second plane and the first plane can rotate mutually, so that the relative rotation between the first hinge 410 and the second hinge 420 can be realized.

In this embodiment, further, in order to facilitate the mutual rotation between the first hinge 410 and the second hinge 420, and simultaneously facilitate the separation of the first hinge 410 and the second hinge 420, the limiting structure does not block the rotation of the first hinge 410, in this embodiment, the design of the limiting structure is simple and ingenious, i.e., the rotation in the circumferential direction is prevented, and the separation in the axial direction is not affected.

The limiting structure comprises a first limiting plane 424 arranged on the outer wall surface of the matching part 421 and a second limiting plane 413 arranged in the first matching groove 411 and attached to the first limiting plane 424. Because the first spherical arc surface 412 and the outer wall surface of the matching part 421 are both spherical arc surfaces, the first spherical arc surface and the matching part 421 can rotate without friction and resistance when being directly matched, the first limiting plane 424 and the second limiting plane 413 are in plane fit, and when the first hinge 410 and the matching part 421 rotate with each other, the first limiting plane 424 and the second limiting plane 413 cannot rotate under the action of friction force between the two planes, so that the limiting is realized in the circumferential direction. Meanwhile, the two-plane abutment in the axial direction does not prevent the upward or downward movement of the first hinge 410.

Specifically, the first limit plane 424 may be regarded as a plane cut longitudinally along the outer wall surface of the fitting portion 421. Since the first spherical arc surface 412 is an arc surface, in order to facilitate the arrangement of the second limiting plane 413, the positioning block 414 is arranged in the first engaging slot 411, and the second limiting plane 413 is arranged on the inner side of the positioning block 414 facing the center of the first engaging slot 411. In this embodiment, the positioning block 414 is a cubic block structure, and the second limiting plane 413 is a surface of the cube near the inner side.

In this embodiment, there are three first limiting planes 424, and the three first limiting planes 424 are uniformly distributed on the outer wall surface of the matching portion 421; the number of the second limiting planes 413 is three, and the three second limiting planes 413 are uniformly arranged in the first matching groove 411. Through the three sets of plane joints, the first hinge 410 and the second hinge 420 can be well limited. Moreover, since the top surfaces of the positioning blocks 414 having a cubic shape are also flat, the three positioning blocks 414 are disposed in a triangular shape, and the top surfaces of the three positioning blocks 414 form a stable supporting surface for supporting the hinge cover 230 more reliably. Of course, the number of the first limiting planes 424 and the second limiting planes 413 may also be one, two, or four, or more.

In this embodiment, when the second hinge 420 and the fixing member 300 are fixedly connected to each other, the two are assembled and fixed by the fastening member 440. The fixed connection between the second hinge 420 and the fixing member 300 is detachable by the assembly of the fastener 440, so that the disassembly and maintenance are convenient, and the assembly during the production of the product is also convenient. Of course, on the premise of ensuring the connection between the second hinge 420 and the fixing member 300 is reliable, in other embodiments, other detachable fixed connection methods, such as a snap connection, may also be adopted.

Specifically, a first connection hole 425 is formed in the second engagement groove 422 of the engagement portion 421 of the second hinge 420, and a second connection hole 415 corresponding to the first connection hole 425 is formed in the first engagement groove 411 attached to the engagement portion 421. The fastener 440 is embodied as a screw. The fixing member 300 is provided with a mounting post 310, and the mounting post 310 is provided with a screw hole (not numbered). The screws are screwed into the screw holes of the mounting post 310 through the first and second connection holes 425 and 415. The second hinge 420 is fixed by screwing, so that the structure is simple, the processing is convenient, and the assembly is easy.

As shown in fig. 15, the fixing member 300 has a substantially cylindrical structure, the top of the fixing member has an inwardly recessed step surface 320, and the step surface 320 is provided with a second central hole mounting pillar 310 penetrating through the fixing member 300 and disposed on the step surface 320, so that the downwardly recessed depth of the step surface 320 fills the height of the mounting pillar 310, and the mounting pillar 310 is prevented from protruding out of the top surface of the fixing member 300 to occupy more space or form a connection gap.

Further, there are three first connection holes 425, three second connection holes 415, three mounting posts 310, and three fasteners 440, wherein the three fasteners 440 are disposed in a triangular shape to fixedly connect the second hinge 420 and the fixing member 300. Moreover, for the second hinge 420, the number of the first limiting planes 424 and the number of the first connecting holes 425 provided thereon are the same, and are three, and the first connecting holes 425 and the first limiting planes 424 are alternately arranged at intervals, that is, a first connecting hole 425 is provided between two first limiting planes 424, and a first limiting plane 424 is provided between two first connecting holes 425.

Referring to fig. 11, in the present embodiment, the top of the second hinge 420 is a matching portion 421, and the bottom of the second hinge has a connecting portion 426, and the connecting portion 426 is a cylindrical structure. The diameter of the cylinder is slightly larger than the diameter of the bottom of the fitting portion 421. Because the inner wall surface of the second matching groove 422 in the matching part 421 is gradually enlarged from bottom to top, the diameter of the cylinder is designed to be slightly larger than the diameter of the bottom of the matching part 421, so that on one hand, the compactness of the second hinge 420 part is maintained, and on the other hand, the fastener 440 can pass through the connecting part 426 when penetrating out of the matching part 421 from the first connecting hole 425, so that the matching part 421 and the connecting part 426 of the second hinge 420 are connected into a whole through the fastener 440, and unstable situation caused by separation from the connecting part 426 when only the matching part 421 is connected with the fixing member 300 is avoided. Specifically, a positioning structure for limiting the position of the fastening member 440 is disposed on the connecting portion 426 corresponding to the first connecting hole 425.

Specifically, the positioning structure includes a positioning boss 427 provided on an outer wall of the connecting portion 426 for the fastening member 440 to pass through, and a recess 428 provided along a height direction of the connecting portion 426 below the positioning boss 427 for accommodating the fastening member 440. In this embodiment, the positioning bosses 427 are provided with semi-circular holes 429 for the fasteners 440 to pass through, circular holes may be provided, or the positioning bosses 427 may be designed as positioning rings for the fasteners 440 to pass through.

In this embodiment, the elastic member 430 is preferably a spring. The spring is pre-compressed between the hinge cover 230 and the stationary member 300. The mounting structure of the spring is shown in fig. 2. The center of the bottom of the hinge cover 230 extends around the center hole to form a first annular protrusion 231, and meanwhile, a second annular protrusion 330 is disposed on the step surface 320 of the fixing member 300 and located at the edge of the center hole, the top of the spring is sleeved on the first annular protrusion 231, and the bottom of the spring is sleeved on the second annular protrusion 330. In other embodiments, concave holes may be respectively disposed on the bottom of the hinge cover 230 and the step surface 320 of the fixing member 300, and two ends of the spring are respectively disposed in the concave holes.

In other embodiments, the spring may be replaced with other retractable, repositionable resilient members. Such as a spring.

Referring to fig. 10 again, the edge of the first fitting slot 411 of the first hinge 410 extends outward to form an annular flange 416, when being installed, the annular flange 416 is overlapped on the edge of the installation hole 211, the edge of the installation hole 211 is provided with at least one stop block 212, a first avoiding slot 417 is arranged on the annular flange 416 corresponding to the stop block 212, the hinge cover plate 230 is covered on the first fitting slot 411, and the edge of the hinge cover plate 230 protrudes outward to form at least one locking block 232 capable of being locked at the stop block 212. Thus, the hinge cover 230 is fixed on the housing 210 by the engagement of the latch 232 and the stopper 212, and meanwhile, the hinge cover 230 is covered on the first hinge 410, so that the first hinge 410 is limited between the housing and the hinge cover 230, and the first hinge 410, the housing 210 and the hinge cover 230 are connected as a whole.

When the first hinge 410 is installed, at least one positioning post (not shown) is further disposed at the edge of the installation hole 211, and a semicircular positioning hole 418 for the at least one positioning post to be inserted into is disposed on the annular flange 416 when the annular flange 416 is rotated. The positioning columns and the semicircular positioning holes 418 not only have a positioning function, but also can support and position a transmission structure in the shell.

Further, referring to fig. 16 and 17, the stopper 212 is higher than the edge of the mounting hole 211, so that a slot 213 into which the stopper 232 can be inserted when the stopper 212 horizontally rotates is formed in a gap between the stopper 212 and the edge of the mounting hole 211, a stopper 214 is disposed on one side of the slot 213, when the stopper 232 rotates within a certain angle in the slot 213, the stopper 214 abuts against the stopper 214 and does not rotate any more, at this time, the hinge cover plate 230 is mounted in place, and meanwhile, in order to facilitate the rotation of the hinge cover plate 230, a second avoiding groove 233 avoiding the stopper 212 is further disposed on the edge of the hinge cover plate 230, and the stopper 232 is disposed at the second avoiding groove 233. Thus, during installation, the hinge cover plate 230 is firstly covered on the first hinge 410, specifically, the hinge cover plate 230 is placed on the top surfaces of the three positioning blocks 414, the second avoiding groove 233 corresponds to the latch 232, and then the hinge cover plate 230 is rotated, so that the latch 232 is rotated into the latch groove 213 until the latch 232 abuts against the limiting block 214, thereby completing the installation of the hinge cover plate 230. At this time, the catching groove 213 restrains the catching block 232 in the direction of the central axis L, and the stopper 214 and the second catching groove 233 restrain the rotation angle of the catching block 232 in the circumferential direction.

Preferably, in this embodiment, the stoppers 212 are three, three stoppers 212 are evenly distributed on the edge of the mounting hole 211, the number of the positioning columns is also three, and the three positioning columns and the three stoppers 212 are alternately spaced and evenly distributed on the edge of the mounting hole 211. That is, a stopper 212 is disposed between the two positioning posts, and a positioning post is disposed between the two stoppers 212. The alternate spacing of the first hinge 410 allows for more stable and reliable attachment.

In this embodiment, the hinge cover plate 230 is detachably fixed by screwing and snapping, and in other embodiments, the hinge cover plate 230 may also be fixed by screw fixation, gluing, or ultrasonic welding.

Referring to fig. 9 again, in the present embodiment, the floating rotation structure 400 further includes a flexible support 450. The flexible bracket 450 is wrapped around the outside of the second hinge 420. That is, the flexible holder 450 has a hollow cylindrical structure, and the second hinge 420 is located in the hollow structure of the flexible holder 450. Specifically, the top of the flexible bracket 450 also extends outwards to form an annular convex edge, the annular convex edge is disposed at the edge of the mounting hole 211, the annular flange 416 of the first hinge 410 is pressed on the annular convex edge, the outer wall of the top of the fixing member 300 is provided with an annular clamping groove 213, and the bottom of the flexible bracket 450 is sleeved on the annular clamping groove 213 of the support member, so that the top and the bottom of the flexible bracket 450 are fixed. The flexible support 450 is disposed at this position to shield the exposed portion between the housing and the fixing member 300, so as to improve the appearance of the shaver and protect the internal components.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.

Claims

1. The utility model provides a shaver, includes the handle and locates tool bit subassembly on the handle, its characterized in that: the tool bit subassembly with the handle is through can reciprocating and rotatable subassembly of floating and being connected, the subassembly that floats include with handle fixed connection's mounting and connect in the tool bit subassembly with the floating revolution mechanic between the mounting, the tool bit subassembly is in when floating revolution mechanic drives and floats the bottom surface of tool bit subassembly with form the contained angle between the top surface of mounting, the scope of contained angle is 0-30.

2. The shaving razor of claim 1, wherein: the tool bit subassembly includes the casing, locates two at least units of shaving on the casing and locating drive mechanism in the casing, be equipped with the power supply in the handle, the output shaft of power supply passes the mounting the revolution mechanic that floats with drive mechanism connects, when the revolution mechanic that floats the casing bottom surface with the top surface of mounting forms the contained angle.

3. The shaving razor of claim 2, wherein: the top of the handle is provided with an installation inclined plane, and the bottom surface of the shell and the top surface of the fixing piece are parallel to the installation inclined plane in a natural state.

4. A shaver as in claim 2 or 3, wherein: the floating rotary structure comprises a floating rotary structure which comprises a floating rotary structure,

5. The shaving razor of claim 4, wherein: the limiting structure comprises a first limiting plane arranged on the outer surface of the matching part and a second limiting plane arranged in the first matching groove and capable of being attached to the first limiting plane.

6. The shaving razor of claim 4, wherein: the first matching groove is internally provided with a first spherical cambered surface, and the surface of the matching part is provided with a second spherical cambered surface matched with the first spherical cambered surface; alternatively, the first fitting groove has a first flat surface therein, and the fitting portion surface has a second flat surface fitted with the first flat surface.

7. The shaving razor of claim 4, wherein: the mounting structure is characterized in that a second matching groove is formed in the matching portion, at least one first connecting hole is formed in the second matching groove wall, at least one second connecting hole is formed in the first matching groove wall, corresponds to and is communicated with the first connecting hole, an installation column is arranged on the mounting, and the second hinge is fixedly connected with the mounting through a fastener penetrating through the first connecting hole, the second connecting hole and the installation column.

8. The shaving razor of claim 4, wherein: the tool bit subassembly is still including locating hinge cover plate in the casing, the casing bottom has the mounting hole, first hinge passes through hinge cover plate is fixed in mounting hole department, the second hinge in mounting hole department stretch out with mounting fixed connection, the top butt of elastic component in hinge cover plate, the bottom butt of elastic component in the mounting.

9. The shaving razor of claim 8, wherein: the edge of mounting hole is equipped with an at least dog, first cooperation groove edge outwards extends and forms annular flange, annular flange is arranged in the mounting hole edge, correspond on the annular flange dog department is equipped with first groove of keeping away, hinge apron lid is located in the first cooperation inslot, just be equipped with on the edge of hinge apron at least one can block in the fixture block of dog department.

10. The shaving razor of claim 4, wherein: the flexible support is wrapped outside the second hinge, the top of the flexible support is arranged in the mounting hole, the first hinge is arranged on the edge of the top of the flexible support in a pressing mode, and the bottom of the flexible support is sleeved on the outer wall of the fixing piece.