CN114193522B

CN114193522B - Tool bit subassembly and razor

Info

Publication number: CN114193522B
Application number: CN202110272325.5A
Authority: CN
Inventors: 喻金明; 吴景; 叶志文
Original assignee: Leshow Electronic Technology Co Ltd
Current assignee: Leshow Electronic Technology Co Ltd
Priority date: 2021-03-12
Filing date: 2021-03-12
Publication date: 2024-07-02
Anticipated expiration: 2041-03-12
Also published as: CN114193522A

Abstract

The invention provides a tool bit assembly, which comprises a tool net, an upper head cover, a floating shell, a blade and a floating support, wherein one end of the floating shell extends into the upper head cover and is arranged in a clearance way with the upper head cover; the floating shell can deflect around a first direction relative to the floating support, the floating support can drive the floating shell to deflect around a second direction relative to the upper head cover, and the first direction and the second direction form an included angle. The cutter head assembly provided by the invention has the advantages of simple structure and good floating effect, and is beneficial to improving the shaving effect.

Description

Tool bit subassembly and razor

Technical Field

The invention belongs to the technical field of personal care products, and particularly relates to a cutter head assembly and a shaver.

Background

The shaver is an important nursing product in daily life of people and is mainly used for shaving beard or sidehair. The existing part of shavers are floating shavers, so that relatively good shaving effect is achieved; however, the existing floating cutter head is usually only floating up and down or floating by a one-way shaft, the fitting degree of the floating cutter head with the face is poor, the floating cutter head cannot be clung to the beard on the face along with the shape and characteristic change of the face, so that the beard on certain parts of the face cannot be effectively shaved, and the cleaning effect is poor.

Disclosure of Invention

The present invention is directed to at least some of the above problems, and provides a cutter head assembly and a shaver, which can enhance a floating effect, enhance a fitting degree with a face, and facilitate effective shaving of beard or temples.

The invention provides a tool bit assembly, which comprises a tool net, an upper head cover, a floating shell, a blade and a floating bracket, wherein one end of the floating shell extends into the upper head cover and is arranged in a clearance way with the upper head cover, the blade is arranged in the floating shell, the tool net is connected with the floating shell and covers the blade, the floating bracket supports the blade,

One part of the floating bracket is rotationally connected with the floating shell, and the other part is rotationally connected with the upper head cover; the floating shell can deflect around a first direction relative to the floating support, the floating support can drive the floating shell to deflect around a second direction relative to the upper head cover, and the first direction and the second direction form an included angle.

According to the cutter head assembly, one part of the floating support is rotationally connected with the floating shell, the floating shell can deflect around the first direction relative to the floating support, the other part of the floating support is rotationally connected with the upper head cover, the floating support can drive the floating shell to deflect around the second direction relative to the upper head cover, and as the floating shell and the upper head cover are arranged in a clearance mode, the floating shell can deflect at an angle in the first direction and the second direction which are mutually angled, and can drive the cutter mesh and the cutter head to jointly deflect, so that the shaving angle can be adjusted, the shaving efficiency and the shaving effect can be improved, the deflection of the floating support in the first direction and the second direction can be simultaneously carried out, the angle deflection of the floating support in the first direction and the second direction can be overlapped, the floating effect of the cutter head assembly can be further improved, the cutter head assembly can be better attached to the face of a user, the better shaving effect can be achieved, and the cutter head assembly is beneficial to use; and the structure is simple, and the production is convenient.

In one embodiment, a first spring is arranged between the floating shell and the floating mount, the first spring being capable of resetting the deflection of the floating shell about the first direction.

The face of the user supports against the floating shell when the shaving razor is used, and the first elastic piece can support the floating shell against the face of the user relatively, so that the fitting degree of the floating shell and the face of the user is enhanced, the beard or the sidehair of the user can better pass through the razor net and contact with the blades, and the shaving razor is beneficial to improving the shaving effect; and after the use is finished, the first elastic piece can reset the deflection of the floating shell around the first direction, so that the floating shell is convenient to reuse.

In one embodiment, at least one of the floating bracket and the floating shell is provided with a positioning part, and the first elastic piece is arranged on the positioning part so as to maintain the position of the first elastic piece.

So set up, the position that the location portion can keep first elastic component for first elastic component is under the large deformation volume state, still after long-term use, and it can both prevent deflection inefficacy, has promoted the reliability of tool bit subassembly, does benefit to the long-term use of tool bit subassembly.

In one embodiment, the positioning portion is a positioning post; the floating support is provided with a bearing part, a first positioning column is arranged on the bearing part, a second positioning column is arranged on one side of the floating shell facing the bearing part, and the first positioning column and the second positioning column are respectively sleeved at two ends of the first elastic piece and respectively support the bearing part and the floating shell.

The positioning column is convenient to set and convenient for addition molding, occupies smaller space, and is suitable for smaller space of the tool bit assembly; the first positioning column on the bearing part and the second positioning column on the floating shell can jointly keep the position of the first elastic piece, so that the reliability of the first elastic piece is enhanced, and the use is facilitated.

In one embodiment, the floating bracket is provided with a second rotating shaft in a protruding mode in the second direction, wherein the second rotating shaft is used for being connected with the upper head cover in a rotating mode, is connected with the bearing part and is arranged at intervals with the first positioning column.

So set up, the floating support can rotate relative to the upper head cover through the second pivot, and the reliability of second pivot can be strengthened to the bearing portion is connected to the second pivot, further strengthens the bulk strength of floating support, does benefit to the normal use of floating support.

In one embodiment, an avoidance groove is formed in one side, close to the floating support, of the floating shell, and the avoidance groove can avoid the floating support when the floating shell deflects relative to the floating support.

So set up, when the relative floating support of floating shell rotates, dodge the groove and can dodge the floating support, and then prevent to support because of the floating support and hold the floating shell and influence deflection angle, promote the biggest deflection angle of floating shell around first direction, further do benefit to the floating effect of tool bit subassembly, do benefit to effectively shave beard or hair.

In one embodiment, the second direction passes through the center of the floating mount; the second elastic piece is arranged between the floating shell and the upper head cover, and in the unused state, the second elastic piece can prop against the floating shell to deflect relative to the upper head cover around the second direction, and an included angle is formed between the surface of the floating shell, which is away from one side of the floating support, and the horizontal plane.

So set up, when the floating shell receives the buoyancy of vertical direction, because the second direction passes the center of floating support, and then under the drive of floating support, the floating shell is straight outwards outstanding, and the second elastic component supports and holds the relative upper head cap deflection of floating shell for be the contained angle setting between the surface that the floating shell deviates from floating support one side and the horizontal plane, and then the face slightly contacts knife net and tool bit can make the floating shell deflection in order to laminate, do benefit to the promotion and shave the effect.

In one embodiment, the floating bracket is connected to the upper head cover at two positions in the second direction, and the second elastic member is equidistant from the two positions.

So set up, the second elastic component is equal with the distance of the two junction of floating support with last skull in the second direction, and the relative two junction of second elastic component sets up in the intermediate position promptly to when the face contacted the floating shell and made the floating shell rotate around the second direction, the second elastic component can exert the holding power to the floating shell balanced, thereby the power that the floating shell acted on the face is more even, avoids the regional atress of face too big and the stinging sense that leads to, promotes the comfort level that the user used.

In one embodiment, the second direction is offset from the center of the floating support, and in the unused state, the floating shaft can enable the floating shell to deflect around the second direction by abutting against the blade, and an included angle is formed between the surface of one side of the floating shell, which faces away from the floating support, and the horizontal plane.

So set up, because the center of second direction deflection floating support to the floating axle can make the floating support deflect around the second direction through supporting the blade, and make floating support have a arm of force in the second direction, and then only need very little power just can make the floating shell take place to deflect, does benefit to the laminating face, promotes and shaves the effect.

In one embodiment, the angle between the surface of the floating shell facing away from the side of the floating mount and the horizontal surface in the unused state is in the range of 2 ° to 15 °.

The arrangement is that the included angle between the surface of one side of the floating shell, which is away from the floating bracket, and the horizontal plane is 2-15 degrees; when the included angle is smaller than 2 degrees or larger than 15 degrees, most beards or temples cannot extend into the cutter mesh due to the fact that the included angle between the floating shell and the horizontal plane is too small or too large, and therefore timely shaving is not facilitated.

The invention also provides a shaver, which comprises the shaver head assembly.

According to the shaver provided by the invention, different facial forms can be attached by arranging the cutter head assembly, so that the shaving effect is improved.

Drawings

FIG. 1 is a schematic view of a tool bit assembly according to one embodiment of the present invention;

FIG. 2 is a schematic view of the upper and lower head covers of the tool bit assembly of FIG. 1;

FIG. 3 is a schematic view of the floating housing of the bit assembly of FIG. 1;

FIG. 4 is a schematic view of the floating shell of FIG. 3 from another perspective;

FIG. 5 is a schematic view of the structure of the cutter mesh, blades and floating brackets of the cutter head assembly of FIG. 1;

FIG. 6 is a schematic view of a portion of the structure of the tool bit assembly of FIG. 1;

FIG. 7 is a schematic illustration of the floating mount configuration of the tool bit assembly of FIG. 6;

FIG. 8 is a schematic view of the floating mount of FIG. 7 from another perspective;

FIG. 9 is a schematic view of the floating housing and floating mount portion of the tool bit assembly of FIG. 1;

FIG. 10 is a schematic view of the tool bit assembly of FIG. 1 from another perspective;

FIG. 11 is a cross-sectional view of the tool tip assembly shown in FIG. 10, taken along line A-A;

FIG. 12 is a schematic view of a cutter head assembly according to other embodiments;

FIG. 13 is a schematic illustration of a structure of the bit assembly of FIG. 12 with portions omitted;

FIG. 14 is a cross-sectional view of the tool tip assembly of FIG. 12, taken along line B-B;

Fig. 15 is a schematic view of the tool bit assembly of fig. 1 from another perspective.

Reference numerals illustrate: 100. a cutter head assembly; 10. an upper head cover; 11. an inner cavity; 12. a receiving port; 13. a second connection hole; 20. a lower head cover; 30. a floating shell; 31. a first connection hole; 32. a first elastic member; 33. a positioning part; 331. a first positioning column; 332. a second positioning column; 34. an avoidance groove; 40. a knife net; 50. a blade; 60. a floating support; 61. a first annular portion; 62. a second annular portion; 621. a carrying part; 63. a first rotating shaft; 64. a second rotating shaft; 70. a floating shaft; 80. and a second elastic member.

Detailed Description

The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.

It will be understood that when an element is referred to as being "mounted" to another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "disposed on" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "secured to" another element, it can be directly secured to the other element or intervening elements may also be present.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used herein in the description of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. The term "or/and" as used herein includes any and all combinations of one or more of the associated listed items.

In order to solve the technical problem that the razor effect of the floating bit is poor, the invention provides a bit assembly, which comprises a cutter mesh, an upper head cover, a floating shell, a blade and a floating support, wherein one end of the floating shell extends into the upper head cover and is arranged in a clearance way with the upper head cover, the blade is arranged in the floating shell, the cutter mesh is connected with the floating shell and covers the blade, the floating support supports the blade, one part of the floating support is rotationally connected with the floating shell, and the other part of the floating support is rotationally connected with the upper head cover; the floating shell can deflect around a first direction relative to the floating support, the floating support can drive the floating shell to deflect around a second direction relative to the upper head cover, and the first direction and the second direction form an included angle. The details are set forth below.

Referring to fig. 1, fig. 1 is a schematic structural diagram of a tool bit assembly according to an embodiment of the invention. The cutter head assembly 100 provided by the invention can be attached to the face of a user through a floating multi-angle manner, so that beard or temples can be quickly caught, a better shaving effect can be achieved, personal care requirements of the user can be met, and the life is convenient.

In this embodiment, the cutter head assembly 100 is provided in a straight cartridge shaver; it will be appreciated that in other embodiments, the cutter head assembly 100 may be provided in an elbow shaver, an electrified clipper shaver, or other types of shavers, without limitation.

The tool bit assembly 100 comprises an upper head cover 10, a lower head cover 20, a floating shell 30, a tool net 40, a blade 50, a floating support 60 and a floating shaft 70, wherein the upper head cover 10 is connected with the lower head cover 20, the floating shell 30 is arranged on the upper head cover 10, the tool net 40 is arranged on the floating shell 30, the blade 50 is positioned in the floating shell 30, the floating support 60 supports the blade 50, and the floating shaft 70 is arranged on the lower head cover 20; the upper and lower head covers 10 and 20 are used for accommodating and protecting the components, the floating shell 30 is used for driving the cutter mesh 40 and the cutter blade 50 to float, the cutter mesh 40 and the cutter blade 50 are used for shaving beard or sideburns hair, the floating support 60 is used for adjusting the deflection angle of the floating shell 30, and the floating shaft 70 provides power for the rotation of the cutter blade 50.

Referring to fig. 2, fig. 2 is a schematic structural diagram of an upper head cover and a lower head cover in the cutter head assembly shown in fig. 1. The upper head cover 10 is connected with the lower head cover 20 and forms an inner cavity 11, and the components are disposed in the inner cavity 11. In the present embodiment, the upper head cover 10 is detachably connected with the lower head cover 20, so that the beard or the hair which is shaved and cut in the inner cavity 11 can be cleaned conveniently through the detachment of the upper head cover 10, and the use is convenient; it will be appreciated that in other embodiments, the upper head cover 10 and the lower head cover 20 may be rotatably connected, i.e., the upper head cover 10 may be rotated to at least partially separate from the lower head cover 20, which may also facilitate cleaning.

The shape of the upper head cover 10 and the lower head cover 20 are adapted, so that the overall surface of the upper head cover 10 and the lower head cover 20 after connection is smoothly transited, and when the cutter head assembly 100 is attached to the face of a user at an extreme position or an extreme angle, the smoothly transited surface is not stabbed on the face, thereby being beneficial to the use of the cutter head assembly 100. In the present embodiment, the outlines of the upper head cover 10 and the lower head cover 20 are substantially triangular; it will be appreciated that in other embodiments, the profile shapes of the upper and lower head covers 10 and 20 may be regular shapes such as circles, squares, etc., and of course, may be other irregular shapes.

The upper head cover 10 is provided with the accommodating opening 12, one end of the floating shell 30 extends into the accommodating opening 12 and is arranged with the upper head cover 10 in a clearance, the clearance allows the floating shell 30 to deflect relative to the upper head cover 10, and the floating shell 30 can be normally attached to the face, so that normal shaving is facilitated.

Referring to fig. 3 and 4 together, fig. 3 is a schematic structural view of a floating shell in the tool bit assembly shown in fig. 1;

Fig. 4 is a schematic view of the floating shell of fig. 3 from another perspective. The surface that floating shell 30 kept away from floating support 60 one side is the cambered surface, and then floating shell 30 can promote the comfort level that the user used through cambered surface and the facial flexible contact of user, and the cambered surface has better laminating effect, and then can reach better shaving and cut the effect, does benefit to the use of tool bit subassembly 100.

The cutter mesh 40 is provided to the floating housing 30 and is capable of being deflected together with the floating housing 30 so that beard or temple hair at different portions of the face can be cut through the cutter mesh 40. In this embodiment, the cutter mesh 40 is a double-layer cutter mesh 40, and the double-layer cutter mesh 40 can increase the contact area of beard or temple hair, thereby increasing the effective shaving area of the cutter head assembly 100, and facilitating use; it will be appreciated that in other embodiments, the blade wire 40 may be a single layer blade wire 40, or a three layer blade wire 40, according to different working conditions, and is not limited in particular.

The blade 50 is disposed within the floating housing 30, and the blade 50 is housed by the blade mesh 40, so that shaving of the blade 50 is achieved by the beard or temple hair passing through the blade mesh 40 into the floating housing 30. Blade 50 is adapted to blade wire 40. In the present embodiment, the blade 50 is a double-layered blade 50; it is understood that in other embodiments, the blade 50 may be other types of blades 50, depending on the operating conditions.

Referring to fig. 5, 6, 7 and 8, fig. 5 is a schematic structural view of a cutter mesh, a cutter blade and a floating support in the cutter head assembly shown in fig. 1; FIG. 6 is a schematic view of a portion of the structure of the tool bit assembly of FIG. 1; FIG. 7 is a schematic illustration of the floating mount configuration of the tool bit assembly of FIG. 6; fig. 8 is a schematic view of the floating mount of fig. 7 from another perspective. The floating bracket 60 is provided to the floating housing 30, and the floating bracket 60 holds the blade 50 and fixes the net 40. Specifically, the floating bracket 60 includes a first annular portion 61 and a second annular portion 62, the first annular portion 61 is connected to the second annular portion 62, and the second annular portion 62 is sleeved with the first annular portion 61; the first annular portion 61 is capable of supporting the blade 50 such that the blade 50 is movably disposed between the cutter mesh 40 and the floating support 60, and the blade 50 is capable of deflecting with the floating housing 30 when the floating housing 30 is deflected, thereby ensuring smooth shaving, and the second annular portion 62 and the floating housing 30 clamp portions of the cutter mesh 40 to thereby fix the cutter mesh 40.

In the present embodiment, the first annular portion 61 and the second annular portion 62 are both circular; it will be appreciated that in other embodiments, the shape of the first and second annular portions 61, 62 may be other regular or irregular shapes.

One part of the floating support 60 is rotationally connected with the floating shell 30, and the other part of the floating support 60 is rotationally connected with the upper head cover 10, so that the floating shell 30 can deflect around a first direction relative to the floating support 60, the floating support 60 can drive the floating shell 30 to deflect around a second direction relative to the upper head cover 10, the first direction and the second direction are arranged at an included angle, the floating shell 30 can deflect at an angle in the first direction and the second direction, and the omni-directional floating can be realized through the angle deflection in the first direction and the second direction, so that the face of a user can be better attached, and the shaving effect can be improved.

In this embodiment, the first direction and the second direction are perpendicular to each other, so that when the floating shell 30 fits the face of the user and moves along the face, the angle transition of the floating shell 30 is smooth, and the comfort level of the user is improved; it is understood that in other embodiments, the included angle between the first direction and the second direction may be other angles according to different requirements of working conditions.

The second annular portion 62 is provided with a first rotating shaft 63 in a first direction, the floating shell 30 is provided with a first connecting hole 31, and the first rotating shaft 63 is arranged in the first connecting hole 31, so that the floating shell 30 and the first rotating shaft 63 can deflect around the first direction through the first connecting hole 31; the second annular portion 62 is provided with a second rotation shaft 64 in the second direction, the upper head cover 10 is provided with a second connection hole 13, and the second rotation shaft 64 is disposed in the second connection hole 13, so that the floating bracket 60 can deflect around the second direction through the second rotation shaft 64 and the second connection hole 13.

Referring to fig. 9 together, fig. 9 is a schematic structural view of the floating shell and floating bracket portion of the tool bit assembly of fig. 1. The first elastic piece 32 is arranged between the floating shell 30 and the floating bracket 60, the first elastic piece 32 supports the floating shell 30 towards the direction away from the floating bracket 60, in a use state, the face of a user supports the floating shell 30, and oppositely, the first elastic piece 32 can support the floating shell 30 towards the face of the user, so that the fit degree of the floating shell 30 and the face of the user is enhanced, the beard or sidehair of the user can better pass through the cutter mesh 40 and contact the cutter blade 50, and the shaving effect is improved; and after shaving, the first elastic member 32 can reset the offset of the floating housing 30 around the first direction, facilitating reuse.

In this embodiment, the first elastic member 32 is a spring, which has better elastic performance, is convenient to obtain materials, occupies small space, and is suitable for a smaller space of the tool bit assembly 100; it will be appreciated that in other embodiments, the first elastic member 32 may be other elastic members such as rubber, as long as the above-described object can be achieved.

At least one of the floating support 60 and the floating shell 30 is provided with a positioning part 33, the first elastic piece 32 is arranged on the positioning part 33, the positioning part 33 can keep the position of the first elastic piece 32, and therefore, no matter the first elastic piece 32 is in a large deformation state or after long-term use, the positioning part 33 can prevent the first elastic piece 32 from deflecting and failing, the reliability of the tool bit assembly 100 is improved, and the use of the tool bit assembly 100 is facilitated.

In this embodiment, the positioning portion 33 is a positioning column, and the positioning column has a simple structure, is convenient to set, and has good effect of maintaining the position; it will be appreciated that in other embodiments, the positioning portion 33 may be other positioning structures such as a positioning groove.

Referring to fig. 7 and 8 again, in the present embodiment, the second annular portion 62 is provided with a bearing portion 621, a first positioning column 331 is disposed on the bearing portion 621, a second positioning column 332 is disposed on a side of the floating shell 30 facing the bearing portion 621, two ends of the first elastic member 32 are respectively sleeved on the first positioning column 331 and the second positioning column 332, and respectively support the bearing portion 621 and the floating shell 30, so that the bearing portion 621 is convenient for the first elastic member 32 to apply force to the floating bracket 60, and the first positioning column 331 and the second positioning column 332 can jointly maintain the position of the first elastic member 32, thereby enhancing the setting reliability of the first elastic member 32, and facilitating long-term use; it is understood that in other embodiments, only one of the first positioning posts 331 and the second positioning posts 332 may be provided, as long as the above purpose can be achieved.

In the present embodiment, the second rotating shaft 64 is connected to the bearing portion 621, so as to enhance the reliability of the second rotating shaft 64, further enhance the overall strength of the floating bracket 60, facilitate long-term use of the tool bit assembly 100, and meanwhile, the second rotating shaft 64 is spaced from the first positioning post 331, so as to prevent the second rotating shaft 64 from affecting the cooperation between the first positioning post 331 and the first elastic member 32, and ensure normal use; it is understood that in other embodiments, the second rotating shaft 64 and the bearing portion 621 may be disposed at intervals according to different working conditions.

The avoidance groove 34 is formed in one side, close to the floating support 60, of the floating shell 30, and when the floating shell 30 deflects relative to the floating support 60, the avoidance groove 34 can avoid the floating support 60, so that the influence of the floating support 60 on the deflection angle caused by the supporting of the floating shell 30 is prevented, the maximum deflection angle of the floating shell 30 around the first direction is improved, the cutter head assembly 100 is guaranteed to have a good floating effect, and the shaving and trimming of beards or temples are facilitated.

In the present embodiment, the shape of the escape groove 34 is formed in a semicircular shape, and serves to escape the second rotating shaft 64; it will be appreciated that in other embodiments, the relief groove 34 may also be configured to relief other portions of the floating mount 60 and may be configured in other shapes, depending on the operating conditions.

One end of the floating shaft 70 is disposed on the lower head cover 20 and can float along the vertical direction, and the other end is clamped with the blade 50, so that the floating shaft 70 can drive the blade 50 to rotate for shaving, and can provide floating force for the floating shell 30 along the vertical direction through the blade 50, thereby ensuring that the cutter head assembly 100 has a better floating effect.

Referring to fig. 10 and 11 together, fig. 10 is a schematic structural view of the tool bit assembly shown in fig. 1 from another perspective; fig. 11 is a cross-sectional view of the tool tip assembly of fig. 10 taken along line A-A. In this embodiment, the first direction passes through the center of the floating support 60, the second direction deviates from the center of the floating support 60, and in the unused state, the floating shaft 70 abuts against the blade 50 along the vertical direction and drives the floating shell 30 to deflect around the second direction, so that an included angle α is formed between the surface of the floating shell 30 facing away from one side of the floating support 60 and the horizontal plane, and further, a force arm exists in the floating shell 30 in the second direction, and the force arm causes the floating shell 30 to deflect with only a small force, thereby facilitating the fitting of the cutter head assembly 100 on the face, and further facilitating the improvement of the shaving effect.

Referring to fig. 12, 13 and 14, fig. 12 is a schematic structural view of a cutter head assembly according to another embodiment; FIG. 13 is a schematic illustration of a structure of the bit assembly of FIG. 12 with portions omitted; fig. 14 is a cross-sectional view of the tool bit assembly of fig. 12 taken along line B-B. It will be appreciated that in other embodiments, the first direction may pass through the center of the floating support 60, the second direction may also pass through the center of the floating support 60, and the second elastic member 80 is disposed between the floating shell 30 and the upper cover 10, when the floating shell 30 is subjected to a vertical floating force in an unused state, the floating shell 30 protrudes straight and outwards due to the second direction passing through the center of the floating support 60, and further, under the driving of the floating support 60, the second elastic member 80 can abut against the floating shell 30 to deflect relative to the upper cover 10 around the second direction, and also can make an included angle α between a surface of a side of the floating shell 30 facing away from the floating support 60 and a horizontal plane, thereby achieving the above purpose.

Referring to fig. 13 again, in other embodiments, the floating support 60 is connected to the upper cover 10 at two positions in the second direction, that is, the floating support 60 is rotatably connected to the upper cover 10 through two second rotating shafts 64, and the second elastic members 80 are located at intermediate positions with respect to the two second rotating shafts 64, so that when the face contacts the floating shell 30 and deflects the floating shell 30, the second elastic members 80 can uniformly apply a supporting force to the floating shell 30, so that the force of the floating shell 30 acting on the face is more uniform, the pain caused by overlarge local stress on the face is avoided, and the comfort level of the user is improved.

Of course, in other embodiments, to maintain the position of the second elastic member 80, any one of the floating shell 30 and the upper head cover 10 may be provided with a corresponding positioning portion, so as to prevent the second elastic member 80 from being deflected and failing, and improve the reliability of the tool bit assembly 100.

Referring to fig. 15, fig. 15 is a schematic structural view of the tool bit assembly shown in fig. 1 from another perspective. When the included angle alpha between the surface of the floating shell 30, which is away from one side of the floating support 60, and the horizontal plane ranges from 2 degrees to 15 degrees, and when the included angle is smaller than 2 degrees or larger than 15 degrees, most beards or temples cannot extend into the cutter mesh due to the fact that the included angle between the floating shell 30 and the horizontal plane is too small or too large, so that the shaving is not convenient in time, and the facial contours of most users can be adapted to the initial state of the cutter head assembly 100 by setting the included angle to 2 degrees to 15 degrees, so that most beards or temples of the users can be captured quickly by the cutter head assembly 100, and the shaving efficiency is improved; it will be appreciated that in other embodiments, the range of the included angle α between the surface of the floating shell 30 facing away from the side of the floating bracket 60 and the horizontal plane may be other angles, as long as the corresponding operating requirements can be satisfied.

In the present embodiment, the number of the accommodating openings 12 formed in the upper head cover 10 is three, and the number of the floating shells 30, the cutter mesh 40, the blades 50 and the floating brackets 60 is also three and are arranged in one-to-one correspondence with the accommodating openings 12, so that a three-head independent floating cutter head assembly 100 is formed, the shaving area is effectively increased, and the use is facilitated; it will be appreciated that in other embodiments, the tool bit assembly 100 may be configured in a single-head, double-head, four-head, five-head, or the like, according to different working conditions, as long as the requirements of the corresponding working conditions can be met.

The invention also provides a shaver, which comprises a battery assembly, a driving assembly, a transmission assembly and the cutter head assembly 100, wherein the driving assembly is connected with the battery assembly and the transmission assembly, and the transmission assembly is connected with the cutter head assembly 100; the battery assembly can provide electrical support for the drive assembly, the drive assembly can provide a power source for rotation of the blade 50, the transmission assembly can transmit power provided by the drive assembly to the floating shaft 70 in the cutter head assembly 100, and the cutter head assembly 100 can float against the face of a user and shave beard or hair temples.

The technical features of the above embodiments may be arbitrarily combined, and all possible combinations of the technical features in the above embodiments are not described for brevity of description, however, as long as there is no contradiction between the combinations of the technical features, they should be considered as the scope of the description.

The foregoing examples illustrate only a few embodiments of the invention, which are described in detail and are not to be construed as limiting the scope of the invention. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the invention, which are all within the scope of the invention. Accordingly, the scope of protection of the present invention is to be determined by the appended claims.

Claims

1. The utility model provides a tool bit subassembly, includes cutter mesh, last skull, floating shell, blade and floating support, the one end of floating shell stretches into go up the skull, and with it is the clearance setting to go up the skull, the blade set up in the floating shell, the cutter mesh is connected floating shell and cover and establish the blade, floating support bearing its characterized in that: the upper head cover is provided with a plurality of accommodating openings, the blade, the cutter mesh, the floating shell and the floating support form a cutting unit, and the cutting unit is provided with a plurality of accommodating openings and is arranged in the accommodating openings; the number of the accommodating ports is equal to that of the cutting units; a plurality of the cutting units are independently floated;

One part of the floating support is rotationally connected with the floating shell, and the other part of the floating support is rotationally connected with the upper head cover; the floating shell can deflect around a first direction relative to the floating support, the floating support can drive the floating shell to deflect around a second direction relative to the upper head cover, and the first direction and the second direction form an included angle; the floating shell is close to one side of the floating support, an avoidance groove is formed in the floating shell, and when the floating shell deflects relative to the floating support, the avoidance groove can avoid the floating support.

2. The cutter head assembly of claim 1, wherein a first resilient member is disposed between the floating housing and the floating mount, the first resilient member being capable of restoring deflection of the floating housing about the first direction.

3. The tool bit assembly of claim 2, wherein at least one of the floating mount and the floating housing is provided with a positioning portion, and the first elastic member is disposed at the positioning portion to maintain a position of the first elastic member.

4. The tool bit assembly of claim 3, wherein the locating portion is a locating post; the floating support is provided with a bearing part, a first positioning column is arranged on the bearing part, a second positioning column is arranged on one side of the floating shell, facing the bearing part, and two ends of the first elastic piece are respectively sleeved with the first positioning column and the second positioning column and respectively propped against the bearing part and the floating shell.

5. A tool bit assembly as recited in claim 4, wherein the floating mount has a second shaft protruding in the second direction for rotatably connecting the upper head cover, the second shaft being connected to the bearing portion and spaced from the first positioning post.

6. The cutter head assembly of claim 1, wherein the second direction passes through a center of the floating mount; the floating shell and the upper head cover are provided with a second elastic piece, and in an unused state, the second elastic piece can prop against the floating shell to deflect around the upper head cover relatively in the second direction, and an included angle is formed between the surface of the floating shell, which is away from one side of the floating support, and a horizontal plane.

7. A bit assembly as recited in claim 6, wherein the floating mount is connected to the upper head cover at two locations in the second direction, the second resilient member being equidistant from the two locations.

8. The cutter head assembly of claim 1, wherein the second direction is offset from the center of the floating mount, and wherein the floating shaft is capable of deflecting the floating housing about the second direction by abutting the blade in an unused state and providing an included angle between a surface of the floating housing facing away from the floating shaft and a horizontal plane.

9. The cutter head assembly of claim 8, wherein an angle between a surface of a side of the floating housing facing away from the floating mount and the horizontal surface in an unused state is in a range of 2 ° to 15 °.

10. A shaver comprising a cutter head assembly, characterized in that the cutter head assembly is as claimed in any one of claims 1 to 9.