CN220179387U - Rotary electric shaver head - Google Patents

Abstract

The rotary electric shaver head consists of a cutter mesh, a floating mechanism and blades arranged on the floating mechanism, wherein the cutter mesh is connected to the floating mechanism, the cutter mesh comprises a first mesh cover and a second mesh cover which are concentric, the floating mechanism comprises a bearing bush, a cylinder matched with the bearing bush is arranged on the center of the cutter mesh, the blades are connected to the bearing bush, each blade comprises a cutter disc and a plurality of groups of outer ring blades arranged on the outer ring of the cutter disc, a plurality of through holes are formed in the blades, one end of each through hole is provided with an inner ring blade which is bent upwards, and at least 2 grooves are formed in the surfaces of the heads of the inner ring blades and the outer ring blades. The shaver head is stable in structure and convenient to assemble and disassemble, the blade is easier to contact with and cut beard, the shaving efficiency is improved, meanwhile, the abrasion of the blade can be reduced, and the service life of the blade is longer.

Description

Rotary electric shaver head

Technical Field

The utility model relates to the technical field of shavers, in particular to a rotary electric shaver head.

Background

The shaver head is an important component of the rotary electric shaver, and has the functions of cutting beard and protecting skin, specifically, the blade part of the shaver head cuts beard, the shaver net part protects the skin from direct contact of the blades, and the design and quality of the shaver head directly influence the comfort and effect of shaving.

At present, the rotary electric shaver head on the market has defects, and when shaving, the situation that the beard is missed or the beard is not thoroughly shaved possibly occurs, and the shaver blade is possibly worn and deformed due to long service time, so that the cutting effect is poor and the shaving effect is poor; the floating mechanism is unstable, so that the shaver head is not adapted to the outline of the face during scraping, and shaving marks can be generated on the skin of the face, or the skin of the face can be pulled, so that discomfort and pain are caused; if the multi-ring knife net has a problem and needs to be replaced, the whole knife net needs to be replaced, instead of only replacing a part of the knife net with the problem, and the use cost is increased.

Disclosure of Invention

The utility model aims to solve the technical problem of providing the rotary electric shaver head which has the advantages of accurate shaving, good shaving effect, small blade abrasion and stable structure.

In order to solve the technical problems, the rotary electric shaver head comprises a cutter mesh, a floating mechanism and blades arranged on the floating mechanism, wherein the cutter mesh is connected to the floating mechanism, the cutter mesh comprises a first mesh cover and a second mesh cover which are concentric, the diameter of the second mesh cover is smaller than that of the first mesh cover, the floating mechanism comprises a bearing bush, a cylinder matched with the bearing bush is arranged in the center of the cutter mesh, the blades are connected to the bearing bush, each blade comprises a cutter disc and a plurality of groups of outer ring blades arranged on the outer ring of the cutter disc, the outer ring blades are bent upwards and then bent outwards to form, a plurality of through holes are formed in the blades, one end of each through hole is provided with an inner ring blade bent upwards, each inner ring blade is formed by cutting a hollow part of the through hole on the cutter disc, and at least 2 grooves are formed in the surfaces of the heads of the inner ring blades and the outer ring blades.

As a further improvement of the utility model, a spring is arranged in the middle of the bearing bush, the bearing bush is connected with a connecting piece through the spring, a barb is arranged on the connecting piece, a buckling groove matched with the barb is arranged in the middle of the bearing bush, a connecting port is arranged at the bottom of the connecting piece, and the connecting port is connected with the whole shaver.

Further, the outer ring cutting edge and the inner ring cutting edge are distributed on two concentric rings, and the heads of the outer ring cutting edge and the inner ring cutting edge are inclined upwards; the included angle between the inner ring blade and the cutter head is 55-60 degrees, and the included angle between the outer ring blade and the cutter head is 50-55 degrees.

The first net cover and the second net cover are arranged in an arch shape, shearing edges are arranged on the first net cover and the second net cover, the thickness of the shearing edges of the second net cover is larger than that of the first net cover, whisker feeding grooves are formed between the shearing edges, and the whisker feeding groove width is between 0.27 mm and 0.32 mm.

The bearing bush is provided with a damping sleeve, and the damping sleeve is attached to the bottom surface of the blade.

The outer side of first screen panel is equipped with first outer wall, first outer wall bottom is equipped with the turn-ups, be equipped with the location breach that is used for the location when installing on the turn-ups.

The first mesh enclosure and the second mesh enclosure are integrally formed, and an isolation belt is arranged between the first mesh enclosure and the second mesh enclosure and is in arch formation.

A third mesh cover can be arranged on the inner side of the second mesh cover, the third mesh cover and the second mesh cover are concentric, the diameter of the third mesh cover is smaller than that of the second mesh cover, a shearing blade is also arranged on the third mesh cover, and a whisker feeding groove is arranged between the shearing blades; a through hole corresponding to the third net cover and an inner ring blade connected to one end of the through hole are arranged in the cutter head; the whisker feeding grooves of the first mesh enclosure and the third mesh enclosure are strip-shaped, and the whisker feeding grooves of the second mesh enclosure are round-hole-shaped.

The first screen panel with the second screen panel can also be split type, the inboard of first screen panel is equipped with the inner wall, be equipped with L shape lug on the inner wall, the second screen panel outside is equipped with the second outer wall, be equipped with on the second outer wall and correspond the draw-in groove of L shape lug, L shape lug embedding the draw-in groove makes second screen panel detachably installs the inboard at first screen panel, the second outer wall with the laminating of the inner wall of first screen panel.

When the shaver is used, the electric shaver is started, the blades are rotated at high speed, the hairs are lifted and pushed to the cutter mesh, the outer ring cutting edge and the inner ring cutting edge are matched with the shaving grooves on the cutter mesh to form an effective shaving system, the hairs are guided to the outer ring cutting edge and the inner ring cutting edge, the hairs are shaved, and the skin is protected during cutting; the plurality of grooves on the outer ring blade and the inner ring blade can lift the beard more effectively, thereby enabling the blade to contact the beard more easily and cut the beard; the vibration amplitude of the cutter head can be reduced by the vibration sleeve on the bottom surface of the cutter blade, and the noise is reduced; when the tool bit moves on the face, the spring of the floating mechanism is stressed to generate pressure between the connecting piece and the plastic bearing bush, so that the tool bit can freely float on the profile and the curve of the face to adapt to the face better, and the barbs on the connecting piece are matched with the buckling grooves in the plastic bearing bush to stabilize the tool bit and reduce the swing amplitude of the bearing bush.

The beneficial effects brought by the utility model are as follows:

the presence of the grooves in the blade edge increases the surface area of the blade edge, thereby making the blade easier to contact the skin surface and improving the shaving effect. The grooves can lift the beard more effectively, so that the cutting edge can be contacted with the beard more easily and cut the beard, the repeated scraping times are reduced, the shaving efficiency is improved, and the cleaning effect is improved.

The plurality of grooves can more uniformly disperse the pressure of the blade, so that the discomfort of concentrating the pressure by a single groove is reduced, and meanwhile, the abrasion of the blade can be dispersed, so that the service life of the blade is longer.

Through seting up the catching groove in the middle of the axle bush to with barb assorted on the connecting piece, can realize inseparabler connection, thereby improve the stability and the effect of shaving of whole tool bit, simultaneously, this kind of design can reduce the swing range of axle bush, reduces noise and the vibration of whole tool bit, improves the comfort level of use.

The round hole is matched with the strip-shaped beard feeding groove, the round hole lifts beard from skin, the strip-shaped beard feeding groove collects the beard and guides the beard to a cutting area, and therefore shaving effect and comfort are improved, and meanwhile cleaning and maintenance of the cutter mesh are facilitated.

The inner ring and the outer ring are separated, so that the cutter mesh can be conveniently cleaned and replaced, the service life of the cutter mesh is prolonged, and meanwhile, the cutter mesh structure is more stable and the disassembly and assembly are convenient.

Drawings

The utility model is described in further detail below with reference to the drawings and the detailed description.

Fig. 1 is a schematic structural view of embodiment 1 of the present utility model.

Fig. 2 is an exploded view of embodiment 1 of the present utility model.

Fig. 3 is a bottom view of the wire mesh of embodiment 1 of the present utility model.

Fig. 4 is a top view of the blades of examples 1 and 3 of the present utility model.

Fig. 5 is a schematic structural view of embodiment 2 of the present utility model.

Fig. 6 is an exploded view of embodiment 2 of the present utility model.

Fig. 7 is a bottom view of the wire mesh of embodiment 2 of the present utility model.

Fig. 8 is a top view of the blade of embodiment 2 of the present utility model.

Fig. 9 is a schematic structural view of embodiment 3 of the present utility model.

Fig. 10 is an exploded view of embodiment 3 of the present utility model.

Fig. 11 is a bottom view of the wire mesh of example 3 of the present utility model.

Fig. 12 is a schematic structural view of the connector of the present utility model.

1-knife net; 2-a floating mechanism; 3-blades; 4-a first net cover; 5-a second net cover; 6-a third net cover; 7-bearing bushes; 8-column; 9-cutterhead; 10-outer ring blade; 11-through holes; 12-inner ring blade; 13-grooves; 14-a spring; 15-connecting piece; 16-barbs; 17-a buckling groove; 18-connecting ports; 19-a shearing blade; 20-a whisker feeding groove; 21-a damping sleeve; 22-a first outer wall; 23-flanging; 24-positioning the notch; 25-isolating belts; 26-inner wall; 27-L-shaped bumps; 28-a second outer wall; 29-card slot.

Detailed Description

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model; it is apparent that the described embodiments are only some embodiments of the present utility model, not all embodiments, and that all other embodiments obtained by persons of ordinary skill in the art without making creative efforts based on the embodiments in the present utility model are within the protection scope of the present utility model.

According to the utility model, as shown in fig. 1 to 4, the rotary electric shaver head of the utility model is composed of a cutter mesh 1, a floating mechanism 2 and a blade 3 arranged on the floating mechanism 2, wherein the cutter mesh 1 is connected to the floating mechanism 2, the cutter mesh 1 comprises a first net cover 4 and a second net cover 5 which are concentric, the diameter of the second net cover 5 is smaller than that of the first net cover 4, the floating mechanism 2 comprises a bearing bush 7, a cylinder 8 matched with the bearing bush 7 is arranged on the center of the second net cover 5, the blade 3 is connected to the bearing bush 7, the blade 3 comprises a cutter disc 9 and an outer ring blade 10 arranged on the outer ring of the cutter disc 9, the outer ring blade 10 is bent upwards and outwards for forming, a plurality of through holes 11 are arranged in the blade 3, one end of each through hole 11 is provided with an inner ring blade 12 bent upwards, the inner ring blade 12 is formed by cutting a hollow part of the through holes 11 on the cutter disc 9, the strength of the blade 3 is increased; at least 2 grooves 13 are formed in the head surfaces of the inner ring blade 12 and the outer ring blade 10, and the grooves 13 can lift beard more effectively, so that the blade can contact the beard more easily and cut the beard, the pressure of the blade 3 can be dispersed more uniformly, the service life of the blade 3 is prolonged, and the cleaning effect is improved.

According to the illustration of fig. 2 and 12, a spring 14 is arranged in the middle of the bearing bush 7, the bearing bush 7 is connected with a connecting piece 15 through the spring 14, a barb 16 is arranged on the connecting piece 15, a buckling groove 17 matched with the barb 16 is arranged in the middle of the bearing bush 7, a connecting port 18 is arranged at the bottom of the connecting piece 15, the connecting port 18 is connected with the whole shaver, and the structure can provide elasticity and be matched with the whole shaver for use, so that the structure of the whole shaver is simplified when the whole shaver is combined with a cutter head, and the structure is good in stability, and vibration and noise are reduced.

The outer ring blade 10 and the inner ring blade 12 are distributed on two concentric rings, and the heads of the outer ring blade and the inner ring blade are inclined upwards; the included angle between the inner ring blade 12 and the cutter 9 is 55-60 degrees, and the included angle between the outer ring blade 10 and the cutter 9 is 50-55 degrees.

The first net cover 4 and the second net cover 5 are arranged in an arch shape, the first net cover 4 and the second net cover 5 are provided with cutting edges 19, the thickness of the cutting edges 19 of the second net cover 5 is larger than that of the first net cover 4, and therefore the shaving effect is formed by shaving from the side face to the working area from thick to thin; the shaving groove 20 is arranged between the cutting edges 19, the width of the shaving groove 20 is between 0.27 and 0.32mm, and the shaving groove 20 with a partial width can effectively improve the shaving efficiency and enable shaving to be faster.

The bearing bush 7 is provided with a damping sleeve 21, and the damping sleeve 21 is attached to the bottom surface of the blade 3.

The outside of first screen panel 4 is equipped with first outer wall 22, first outer wall 22 bottom is equipped with turn-ups 23, be equipped with the location breach 24 that is used for the location when installing on the turn-ups 23.

The first net cover 4 and the second net cover 5 are integrally formed, and the isolation belt 25 is arranged between the first net cover 4 and the second net cover 5, and the isolation belt 25 is arched through forming, so that the rigidity and the strength of a product can be effectively improved, and the service life of the product is prolonged.

When the shaver is used, the electric shaver is powered on, the blades 3 are rotated at a high speed, the hairs are lifted and pushed to the cutter mesh 1, the outer ring cutter edge 10 and the inner ring cutter edge 12 are matched with shaving grooves on the cutter mesh 1 to form an effective shaving system, the hairs are guided to the outer ring cutter edge 10 and the inner ring cutter edge 12, the hairs are shaved, and the skin is protected during cutting; the plurality of grooves 13 on the outer ring blade 10 and the inner ring blade 12 can lift the beard more effectively, thereby making the blade more easily contact the beard and cut the beard; the vibration amplitude of the cutter head can be reduced by the damping sleeve 21 on the bottom surface of the cutter blade 3, and the noise is reduced; when the tool bit moves on the face, the spring 14 of the floating mechanism 2 is stressed to generate pressure between the connecting piece 15 and the plastic bearing bush 7, so that the tool bit can float freely on the outline and curve of the face to adapt to the face better, the barb 16 on the connecting piece 15 is matched with the buckling groove 17 in the plastic bearing bush 7, the tool bit is stable, and the swing amplitude of the bearing bush 7 is reduced.

According to the utility model, as shown in fig. 5 to 8, the rotary electric shaver head comprises a shaver net 1, a floating mechanism 2 and blades 3 arranged on the floating mechanism 2, wherein the shaver net 1 is connected to the floating mechanism 2, the shaver net 1 comprises a first shaver net 4, a second shaver net 5 and a third shaver net 6 which are concentric, the diameter of the second shaver net 5 is smaller than that of the first shaver net 4, the diameter of the third shaver net 6 is smaller than that of the second shaver net 5, the floating mechanism 2 comprises a bearing bush 7, a cylinder 8 matched with the bearing bush 7 is arranged in the center of the shaver net 1, the blades 3 are connected to the bearing bush 7, the blades 3 comprise a shaver head 9 and a plurality of groups of outer ring blades 10 arranged on the outer ring of the shaver head 9, the outer ring blades 10 are bent upwards and outwards, a plurality of through holes 11 corresponding to the second shaver net 5 and the third shaver net 6 are arranged in the blades 3, one end of each through hole 11 is provided with an inner ring blade 12 bent upwards, each inner ring blade 12 is formed by cutting the through holes 11 on the shaver head 9, and the cutter head 3 has a hollow part with the cutter head space saved, and the strength of the blades 3 is increased; at least 2 grooves 13 are formed in the head surfaces of the inner ring blade 12 and the outer ring blade 10, and the grooves 13 can lift beard more effectively, so that the blade can contact the beard more easily and cut the beard, the pressure of the blade 3 can be dispersed more uniformly, the service life of the blade 3 is prolonged, and the cleaning effect is improved.

According to the illustration of fig. 6 and 12, a spring 14 is arranged in the middle of the bearing bush 7, the bearing bush 7 is connected with a connecting piece 15 through the spring 14, a barb 16 is arranged on the connecting piece 15, a buckling groove 17 matched with the barb 16 is arranged in the middle of the bearing bush 7, a connecting port 18 is arranged at the bottom of the connecting piece 15, the connecting port 18 is connected with the whole shaver, and the structure can provide elasticity and be matched with the whole shaver for use, so that the structure of the whole shaver is simplified when the whole shaver is combined with a cutter head, and the structure is good in stability, and vibration and noise are reduced.

The outer ring blade 10 and the inner ring blade 12 are distributed on two concentric rings, and the heads of the outer ring blade and the inner ring blade are inclined upwards; the included angle between the inner ring blade 12 and the cutter 9 is 55-60 degrees, and the included angle between the outer ring blade 10 and the cutter 9 is 50-55 degrees.

The first net cover 4, the second net cover 5 and the third net cover 6 are arranged in an arch shape, the first net cover 4 and the second net cover 5 are provided with shearing blades 19, the thickness of the shearing blades 19 of the second net cover 5 is larger than that of the first net cover 4, the thickness of the shearing blades 19 of the third net cover 6 is larger than that of the second net cover 5, so that the shaving is performed from the side face to the working area from thick to thin, the effect of rough shaving before fine trimming is formed, whisker feeding grooves 20 are formed between the shearing blades 19, the width of the whisker feeding grooves 20 is between 0.27 mm and 0.32mm, and the whisker feeding efficiency can be effectively improved through the whisker feeding grooves 20 with partial width, so that shaving is faster.

The bearing bush 7 is provided with a damping sleeve 21, and the damping sleeve 21 is attached to the bottom surface of the blade 3.

The outside of first screen panel 4 is equipped with first outer wall 22, first outer wall 22 bottom is equipped with turn-ups 23, be equipped with the location breach 24 that is used for the location when installing on the turn-ups 23.

The first screen panel 4, second screen panel 5 and third screen panel 6 integrated into one piece, be provided with the median 25 between first screen panel 4, second screen panel 5 and the third screen panel 6, this median 25 is through forming the arch, can effectively increase product rigidity and intensity, promotes product life.

The beard feeding grooves 20 of the first mesh enclosure 4 and the third mesh enclosure 6 are strip-shaped, the beard feeding grooves 20 of the second mesh enclosure 5 are round holes, the round holes are matched with the strip-shaped beard feeding grooves 20, beards are lifted from the skin by the round holes, and the strip-shaped beard feeding grooves 20 collect and guide the beards to a cutting area, so that the shaving effect and the shaving comfort are improved.

When the shaver is used, the electric shaver is powered on, the blades 3 are rotated at a high speed, the hairs are lifted and pushed to the shaver net 1, the outer ring blade 10 and the inner ring blade 12 are matched with round holes or strip shaving grooves on the shaver net 1 to form an effective shaving system, the hairs are guided to the outer ring blade 10 and the inner ring blade 12, the hairs are shaved, and the skin is protected during cutting; the cooperation of the round holes and the strip-shaped shaving grooves can enable the shaver net 1 of the shaver to work more efficiently, so that a better shaving effect is achieved; the plurality of grooves 13 on the outer ring blade 10 and the inner ring blade 12 can lift the beard more effectively, thereby making the blade more easily contact the beard and cut the beard; the vibration amplitude of the cutter head can be reduced by the damping sleeve 21 on the bottom surface of the cutter blade 3, and the noise is reduced; when the tool bit moves on the face, the spring 14 of the floating mechanism 2 is stressed to generate pressure between the connecting piece 15 and the plastic bearing bush 7, so that the tool bit can float freely on the outline and curve of the face to adapt to the face better, the barb 16 on the connecting piece 15 is matched with the buckling groove 17 in the plastic bearing bush 7, the tool bit is stable, and the swing amplitude of the bearing bush 7 is reduced.

According to the utility model, as shown in fig. 4, 9, 10 and 11, the rotary electric shaver head comprises a cutter mesh 1, a floating mechanism 2 and a plurality of outer ring blades 10 arranged on the outer ring of the cutter disc 9, wherein the cutter mesh 1 is connected to the floating mechanism 2, the cutter mesh 1 comprises a first mesh cover 4 and a second mesh cover 5 which are concentric, the diameter of the second mesh cover 5 is smaller than that of the first mesh cover 4, the floating mechanism 2 comprises a bearing bush 7, a cylinder 8 matched with the bearing bush 7 is arranged on the center of the second mesh cover 5, the cutter blade 3 is connected to the bearing bush 7, the cutter disc 9 and a plurality of groups of outer ring blades 10 arranged on the outer ring of the cutter disc 9 are bent upwards and outwards, a plurality of through holes 11 are formed in the cutter blade 3, one end of each through hole 11 is provided with an inner ring blade 12 bent upwards, the inner ring blade 12 is used for cutting and forming the hollow part of the through holes 11 on the cutter disc 9, the space of the cutter blade 3 is saved, and the strength of the cutter blade 3 is increased; at least 2 grooves 13 are formed in the head surfaces of the inner ring blade 12 and the outer ring blade 10, and the grooves 13 can lift beard more effectively, so that the blade can contact the beard more easily and cut the beard, the pressure of the blade 3 can be dispersed more uniformly, the service life of the blade 3 is prolonged, and the cleaning effect is improved.

According to the illustration of fig. 10 and 12, a spring 14 is arranged in the middle of the bearing bush 7, the bearing bush 7 is connected with a connecting piece 15 through the spring 14, a barb 16 is arranged on the connecting piece 15, a buckling groove 17 matched with the barb 16 is arranged in the middle of the bearing bush 7, a connecting port 18 is arranged at the bottom of the connecting piece 15, the connecting port 18 is connected with the whole shaver, and the structure can provide elasticity and be matched with the whole shaver for use, so that the structure of the whole shaver is simplified when the whole shaver is combined with a cutter head, and the structure is good in stability, and vibration and noise are reduced.

The outer ring blade 10 and the inner ring blade 12 are distributed on two concentric rings, and the heads of the outer ring blade and the inner ring blade are inclined upwards; the included angle between the inner ring blade 12 and the cutter 9 is 55-60 degrees, and the included angle between the outer ring blade 10 and the cutter 9 is 50-55 degrees.

The first net cover 4 and the second net cover 5 are arranged in an arch shape, the shearing edges 19 are arranged on the first net cover 4 and the second net cover 5, the thickness of the shearing edges 19 of the second net cover 5 is larger than that of the first net cover 4, so that the beard is shaved from the side face to the working area from thick to thin, the effect of rough shaving before finishing is formed, the beard feeding grooves 20 are formed between the shearing edges 19, the width of the beard feeding grooves 20 is between 0.27 mm and 0.32mm, and the beard feeding efficiency can be effectively improved by the aid of the widened beard feeding grooves 20, so that shaving is faster.

The bearing bush 7 is provided with a damping sleeve 21, and the damping sleeve 21 is attached to the bottom surface of the blade 3.

The outside of first screen panel 4 is equipped with first outer wall 22, first outer wall 22 bottom is equipped with turn-ups 23, be equipped with the location breach 24 that is used for the location when installing on the turn-ups 23.

The first screen panel 4 with second screen panel 5 is split type, the inboard of first screen panel 4 is equipped with inner wall 26, be equipped with L shape lug 27 on the inner wall 26, the second screen panel 5 outside is equipped with second outer wall 28, be equipped with on the second outer wall 28 and correspond L shape lug 27's draw-in groove 29, L shape lug 27 embedding draw-in groove 29 makes second screen panel 5 detachably installs the inboard at first screen panel 4, second outer wall 28 with the laminating of the inner wall 26 of first screen panel 4, with inner ring and outer loop separation, can conveniently clean and change cutter net 1, can change alone when one of them ring goes wrong, and need not change whole cutter net 1, has prolonged the life of cutter net 1.

When the shaver is used, the electric shaver is powered on, the blades 3 are rotated at a high speed, the hairs are lifted and pushed to the cutter mesh 1, the outer ring cutter edge 10 and the inner ring cutter edge 12 are matched with shaving grooves on the cutter mesh 1 to form an effective shaving system, the hairs are guided to the outer ring cutter edge 10 and the inner ring cutter edge 12, the hairs are shaved, and the skin is protected during cutting; the plurality of grooves 13 on the outer ring blade 10 and the inner ring blade 12 can lift the beard more effectively, thereby making the blade more easily contact the beard and cut the beard; the vibration amplitude of the cutter head can be reduced by the damping sleeve 21 on the bottom surface of the cutter blade 3, and the noise is reduced; when the tool bit moves on the face, the spring 14 of the floating mechanism 2 is stressed to generate pressure between the connecting piece 15 and the plastic bearing bush 7, so that the tool bit can float freely on the outline and curve of the face to better adapt to the face, the barb 16 on the connecting piece 15 is matched with the buckling groove 17 in the plastic bearing bush 7, the tool bit is stable, and the swing amplitude of the bearing bush 7 is reduced; the second net cover 5 on the knife net 1 is embedded into the clamping groove 29 through the L-shaped protruding block 27, so that the second net cover 5 is detachably arranged on the inner side of the first net cover 4, and the second net cover 5 can be taken out for replacement by rotating reversely along the direction of the clamping groove 29, and the cleaning is also facilitated.

The foregoing description is only of the preferred embodiments of the utility model, and all changes and modifications that come within the meaning and range of equivalency of the structures, features and principles of the utility model are therefore intended to be embraced therein.

The beneficial effects brought by the utility model are as follows:

the presence of the grooves in the blade edge increases the surface area of the blade edge, thereby making the blade easier to contact the skin surface and improving the shaving effect. The grooves can lift the beard more effectively, so that the cutting edge can be contacted with the beard more easily and cut the beard, the repeated scraping times are reduced, the shaving efficiency is improved, and the cleaning effect is improved.

The plurality of grooves can more uniformly disperse the pressure of the blade, so that the discomfort of concentrating the pressure by a single groove is reduced, and meanwhile, the abrasion of the blade can be dispersed, so that the service life of the blade is longer.

Through seting up the catching groove in the middle of the axle bush to with barb assorted on the connecting piece, can realize inseparabler connection, thereby improve the stability and the effect of shaving of whole tool bit, simultaneously, this kind of design can reduce the swing range of axle bush, reduces noise and the vibration of whole tool bit, improves the comfort level of use.

The round hole is matched with the strip-shaped beard feeding groove, the round hole lifts beard from skin, the strip-shaped beard feeding groove collects the beard and guides the beard to a cutting area, and therefore shaving effect and comfort are improved, and meanwhile cleaning and maintenance of the cutter mesh are facilitated.

The inner ring and the outer ring are separated, so that the cutter mesh can be conveniently cleaned and replaced, the service life of the cutter mesh is prolonged, and meanwhile, the cutter mesh structure is more stable and the disassembly and assembly are convenient.

Claims (10)

1. The utility model provides a rotary electric shaver tool bit, includes cutter mesh, floating mechanism and establishes the blade on floating mechanism, its characterized in that: the cutter mesh is connected to the floating mechanism, the cutter mesh comprises a first mesh cover and a second mesh cover which are concentric, the diameter of the second mesh cover is smaller than that of the first mesh cover, the floating mechanism comprises a bearing bush, a cylinder matched with the bearing bush is arranged on the center of the second mesh cover, the cutter blade is connected to the bearing bush, the cutter blade comprises a cutter disc and a plurality of groups of outer ring cutting edges arranged on the outer ring of the cutter disc, the outer ring cutting edges are bent upwards and then bent outwards to form, a plurality of through holes are formed in the cutter blade, one end of each through hole is provided with an inner ring cutting edge bent upwards, each inner ring cutting edge is formed by cutting a hollow part of the through hole on the cutter disc, and at least 2 grooves are formed in the surface of the head of each outer ring cutting edge.

2. A rotary electric shaver head according to claim 1, wherein: the bearing bush is characterized in that a spring is arranged in the middle of the bearing bush, the bearing bush is connected with a connecting piece through the spring, a barb is arranged on the connecting piece, a buckling groove matched with the barb is arranged in the middle of the bearing bush, a connecting port is arranged at the bottom of the connecting piece, and the connecting port is connected with the whole shaver.

3. A rotary electric shaver head according to claim 1, wherein: the outer ring cutting edge and the inner ring cutting edge are distributed on two concentric rings, and the heads of the outer ring cutting edge and the inner ring cutting edge are inclined upwards; the included angle between the inner ring blade and the cutter head is 55-60 degrees, and the included angle between the outer ring blade and the cutter head is 50-55 degrees.

4. A rotary electric shaver head according to claim 1, wherein: the first mesh enclosure and the second mesh enclosure are arranged in an arch shape, the first mesh enclosure and the second mesh enclosure are provided with shearing edges, the thickness of the shearing edges of the second mesh enclosure is larger than that of the first mesh enclosure, and whisker feeding grooves are formed between the shearing edges.

5. A rotary electric shaver head according to claim 4, wherein: the width of the whisker feeding groove is between 0.27 and 0.32 mm.

6. A rotary electric shaver head according to claim 1, wherein: the bearing bush is provided with a damping sleeve, and the damping sleeve is attached to the bottom surface of the blade.

7. A rotary electric shaver head according to claim 1, wherein: the outer side of first screen panel is equipped with first outer wall, first outer wall bottom is equipped with the turn-ups, be equipped with the location breach that is used for the location when installing on the turn-ups.

8. A rotary electric shaver head according to claim 1, wherein: the first mesh enclosure and the second mesh enclosure are integrally formed, and an isolation belt is arranged between the first mesh enclosure and the second mesh enclosure and is in arch formation.

9. A rotary electric shaver head according to claim 1, wherein: a third mesh enclosure can be arranged on the inner side of the second mesh enclosure, the third mesh enclosure and the second mesh enclosure are concentric, the diameter of the third mesh enclosure is smaller than that of the second mesh enclosure, a shearing blade is arranged on the third mesh enclosure, and a whisker feeding groove is arranged between the shearing blades; a through hole corresponding to the third net cover and an inner ring blade connected to one end of the through hole are arranged in the cutter head; the whisker feeding grooves of the first mesh enclosure and the third mesh enclosure are strip-shaped, and the whisker feeding grooves of the second mesh enclosure are round-hole-shaped.

10. A rotary electric shaver head according to claim 1, wherein: the first screen panel with the second screen panel can also be split type, the inboard of first screen panel is equipped with the inner wall, be equipped with L shape lug on the inner wall, the second screen panel outside is equipped with the second outer wall, be equipped with on the second outer wall and correspond the draw-in groove of L shape lug, L shape lug embedding the draw-in groove makes second screen panel detachably installs the inboard at first screen panel, the second outer wall with the laminating of the inner wall of first screen panel.