CN210452835U

CN210452835U - Shaver head

Info

Publication number: CN210452835U
Application number: CN201921304205.3U
Authority: CN
Inventors: 钟海勇
Original assignee: ZHEJIANG HAISHUN ELECTRICAL CO Ltd
Current assignee: ZHEJIANG HAISHUN ELECTRICAL CO Ltd
Priority date: 2019-08-13
Filing date: 2019-08-13
Publication date: 2020-05-05
Anticipated expiration: 2029-08-13

Abstract

The utility model relates to a shaver head, which is characterized in that the bottom of an outer cutter net is provided with a first guide rail, a second guide rail and a fixed guide rail to form a first cutter groove, a second cutter groove, a third cutter groove and a fourth cutter groove on the bottom of the outer cutter net, and one end of a beard inlet groove in the first cutter groove and the fourth cutter groove is in an open shape and is communicated with the outside; the inner cutter head is respectively arranged in the first cutter groove, the second cutter groove, the third cutter groove and the fourth cutter groove and is respectively attached to the bottom end surfaces of the first cutter groove, the second cutter groove, the third cutter groove and the fourth cutter groove. The beneficial effects of the utility model are that make outer sword net bottom form four independent sword grooves through setting up first guide rail, second guide rail and fixed guide in outer sword net bottom, adopt the structure in four sword grooves, can make the tool bit length in every sword groove shorten, correspondingly reduced the plane degree shaping requirement to single tool bit, reduced the processing degree of difficulty of tool bit, improved the productivity effect of tool bit and reduced the manufacturing cost of tool bit.

Description

Shaver head

Technical Field

The utility model relates to a tool bit subassembly, more specifically the tool bit that says so relates to a shaving head, mainly is applied to the razor field.

Background

A patent assigned to the applicant: reciprocating razor middle blade, publication No.: CN100575008C, announcement date: 2009-12-30 days, it specifically discloses an M-shaped fixed knife and an M-like movable knife, and a spring is arranged on the movable knife holder to ensure the movable knife to be attached to the end face of the fixed knife, although such a structure can achieve shaving of hair, it also has obvious defects in the production and use processes, for example, the cutting transverse groove of the outer knife net (i.e. the fixed knife) is semi-closed, long hair or curly hair cannot enter the cutting transverse groove, which affects the shaving benefit of hair; secondly, the movable cutter head is only fixed in the base through the spring, and when the driving mechanism drives the movable cutter head to swing in a reciprocating mode, deviation or dislocation is prone to occurring, the degree of contact between the end faces of the movable cutter head and the fixed cutter is affected, and the hair shaving effect is affected.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the utility model provides a shaving head not only can realize through this knife tackle that long and short hair unimpeded gets into fast shaving that shaves downthehole realization hair shaves except, but also can reduce the processing degree of difficulty of outer cutter net and effectively prevent that outer cutter net from taking place thermal deformation and guaranteeing to move the cutter head and avoid taking place skew or dislocation when reciprocating swing when thermal treatment.

In order to solve the technical problem, the technical scheme adopted by the utility model is a razor head, which comprises an outer cutter net and an inner cutter head, wherein the inner cutter head is arranged on an inner cutter base, and the razor head is characterized in that the bottom of the outer cutter net is provided with a first guide rail, a second guide rail and a fixed guide rail, so that the bottom of the outer cutter net forms a first cutter groove, a second cutter groove, a third cutter groove and a fourth cutter groove, the first cutter groove, the second cutter groove, the third cutter groove and the fourth cutter groove are respectively provided with a beard inlet groove, and one end of the beard inlet groove in the first cutter groove and the fourth cutter groove is open and is communicated with the outside; the fixed guide rail is arranged between the first guide rail and the second guide rail, and two ends of the fixed guide rail are respectively connected with the bases to ensure that the outer cutter mesh is fixed between the two bases and the upper end surface of the outer cutter mesh is flush with the end surface of the bases; the inner cutter head is respectively arranged in the first cutter groove, the second cutter groove, the third cutter groove and the fourth cutter groove and is respectively attached to the bottom end surfaces of the first cutter groove, the second cutter groove, the third cutter groove and the fourth cutter groove.

In this embodiment, the inner cutter head includes a first cutter head, a second cutter head, a third cutter head and a fourth cutter head which are respectively arranged in the first cutter groove, the second cutter groove, the third cutter groove and the fourth cutter groove, and the first cutter head, the second cutter head, the third cutter head and the fourth cutter head are respectively attached to the bottom end surfaces of the corresponding first cutter groove, the corresponding second cutter groove, the corresponding third cutter groove and the corresponding fourth cutter groove; the first cutter head, the second cutter head, the third cutter head and the fourth cutter head are respectively fixed with the inner cutter seat.

In this embodiment, the first tool bit and the second tool bit are respectively fixed on two sides of a first guide groove, the first guide groove is arranged outside the first guide rail and is in sliding fit with the first guide rail, and the first guide groove is adjustably connected with the inner tool apron in a linkage manner; the third cutter head and the fourth cutter head are respectively fixed on two sides of a second guide groove, the second guide groove is arranged outside the second guide rail and is in sliding fit with the second guide rail, and the second guide groove is in linkage connection with the inner cutter seat in an adjustable manner.

In this embodiment, the first guide groove and the second guide groove are respectively U-shaped in cross section, and the first tool bit, the second tool bit, the third tool bit and the fourth tool bit are respectively disposed on two sides of the corresponding first guide groove and second guide groove and are perpendicular to the first guide groove and the second guide groove.

In this embodiment, the first cutter head and the second cutter head have the same shape, the first cutter head and the second cutter head are both composed of a plurality of cutting teeth arranged at intervals and are respectively arranged at two sides of the first guide groove, each cutting tooth comprises a connecting part and a cutting part, one end of each connecting part is connected with the top end face of the side wall of the first guide groove, the other end of each connecting part is connected with the cutting part, and the cutting part is trapezoidal, and the width of the front end of each cutting part is smaller than that of the tail end of each cutting part; the third cutter head and the fourth cutter head are the same as the first cutter head in shape, and the second guide groove is the same as the first guide groove in shape.

In this embodiment, the inner tool apron includes the swing piece and the regulation seat of arranging in swing piece both sides in, should adjust the seat and can follow swing piece displacement from top to bottom and can with swing piece synchronous horizontal reciprocating swing under the effect of elastic component, first guide way and second guide way fixed mounting respectively can order about first tool bit, second tool bit, third tool bit and fourth tool bit respectively with corresponding first tool groove, second tool groove, third tool groove and fourth tool groove bottom end face laminating mutually under the elastic action of elastic component.

In the embodiment, spring seats are respectively arranged at two ends of the bottom of the adjusting seat and at corresponding positions of the base, and a sliding groove is arranged between the two spring seats; the swinging block is provided with a pin shaft, and the sliding groove is sleeved outside the pin shaft so that the adjusting seat can synchronously and horizontally swing back and forth with the swinging block while moving up and down along the swinging block; the elastic piece is a spring, and two ends of the spring are respectively fixed on the adjusting seat and the spring seat of the base, so that two ends of the adjusting seat can automatically move up and down.

In this embodiment, the bases on both sides of the outer blade net are respectively provided with a limiting groove, a sliding groove is arranged in the limiting groove, the bottom end of the swing block is provided with a limiting pin, both sides of the swing block are arranged in the limiting groove of the base, and the limiting pin is arranged in the horizontal sliding groove, so that the swing block can horizontally reciprocate along the sliding groove under the action of external force.

In this embodiment, a plurality of bumps are disposed on the adjusting seat, the height of the bump is less than or equal to the thickness of the first guide groove or the second guide groove, through holes matched with the bumps are disposed at the bottoms of the first guide groove and the second guide groove respectively, and the bumps are inserted into the through holes to fixedly connect the first guide groove and the second guide groove with the corresponding adjusting seat respectively; arc-shaped salient points are respectively arranged on the inner side walls of the first guide groove and the second guide groove and are respectively contacted with the corresponding side walls of the first guide rail and the second guide rail.

In this embodiment, the base is provided with a jack, two ends of the fixed guide rail are provided with insertion parts extending outwards, and the insertion parts are inserted into the jack to fixedly connect two ends of the outer cutting net with the base respectively.

The utility model has the advantages that the first guide rail, the second guide rail and the fixed guide rail are arranged at the bottom of the outer knife net to form four independent knife grooves at the bottom of the outer knife net, and by adopting the structure, the transverse span of a single knife groove of the outer knife net can be shortened, the thermal deformation of the outer knife net during heat treatment is avoided, the yield of the outer knife net is improved, and the production cost is reduced; secondly, the outer cutter mesh is divided into four parts to form four cutting surfaces in the outer cutter mesh, so that the surface utilization rate of the outer cutter mesh is improved to the maximum extent, the hair feeding amount is increased, and the hair shaving effect is improved; thirdly, the first cutter groove and the fourth cutter groove form an open type and are directly communicated with the outside, and long hair or curly hair can be ensured to rapidly enter the beard groove without obstruction, so that the shaving efficiency is improved; fourthly, the structure of four cutter grooves is adopted, the length of the cutter head in each cutter groove can be shortened, the flatness forming requirement on a single cutter head is correspondingly reduced, the processing difficulty of the cutter head is reduced, the production benefit of the cutter head is improved, and the production cost of the cutter head is reduced.

Drawings

FIG. 1 is a three-dimensional structure view of a shaver head according to an embodiment of the present invention

FIG. 2 is a cross-sectional view of a razor head according to an embodiment of the present invention

FIG. 3 is a front perspective view of the outer blade net according to the embodiment of the present invention

FIG. 4 is a bottom perspective view of the outer blade net according to the embodiment of the present invention

FIG. 5 is a perspective view of the first guide groove according to the embodiment of the present invention

FIG. 6 is a perspective view of an embodiment of the present invention

FIG. 7 is a perspective view of the swing block according to the embodiment of the present invention

FIG. 8 is a perspective view of the base according to the embodiment of the present invention

Detailed Description

The embodiments of the present invention will be further explained with reference to the accompanying drawings:

as shown in fig. 1-8, the present invention relates to a razor head, which comprises an outer blade net 1 and an inner blade head 2, wherein the inner blade head 2 is mounted on an inner blade holder 3, the bottom of the outer blade net 1 is provided with a first guide rail 11, a second guide rail 12 and a fixed guide rail 13, so that a first blade groove 16, a second blade groove 17, a third blade groove 18 and a fourth blade groove 19 are formed at the bottom of the outer blade net 1, the first blade groove 16, the second blade groove 17, the third blade groove 18 and the fourth blade groove 19 are respectively provided with a beard inlet groove 14, and one end of the beard inlet groove 14 in the first blade groove 16 and the fourth blade groove 19 is open and is communicated with the outside; the fixed guide rail 13 is arranged between the first guide rail 11 and the second guide rail 12, and two ends of the fixed guide rail 13 are respectively connected with the bases 4, so that the outer cutter mesh 1 is fixed between the two bases 4, and the upper end surface of the outer cutter mesh 1 is flush with the end surface of the base 1; the inner tool bit 2 is respectively arranged in the first tool groove 16, the second tool groove 17, the third tool groove 18 and the fourth tool groove 19 and is respectively attached to the bottom end surfaces of the first tool groove 16, the second tool groove 17, the third tool groove 18 and the fourth tool groove 19; by adopting the structure, the transverse span of a single cutter groove of the outer cutter net 1 can be shortened, the thermal deformation of the outer cutter net 1 during heat treatment is avoided, the yield of the outer cutter net 1 is improved, and the production cost is reduced; secondly, the outer cutter mesh 1 is divided into four parts so that four cutting surfaces are formed in the outer cutter mesh 1, the surface utilization rate of the outer cutter mesh 1 is improved to the maximum extent, the hair feeding amount is increased, and the hair shaving effect is improved; thirdly, the first cutter groove 16 and the fourth cutter groove 19 are in open type and are directly communicated with the outside, so that long hairs or curly hairs can rapidly enter the beard groove 14 without obstruction, and the hair shaving effect is improved; fourthly, the structure of four cutter grooves is adopted, the length of the cutter head in each cutter groove can be shortened, the flatness forming requirement on a single cutter head is correspondingly reduced, the processing difficulty of the cutter head is reduced, the production benefit of the cutter head is improved, and the production cost of the cutter head is reduced.

In the embodiment, in order to ensure the shaving effect of each blade groove, the inner blade 2 includes a first blade 21, a second blade 22, a third blade 23 and a fourth blade 24 which are respectively arranged in the first blade 16, the second blade 17, the third blade 18 and the fourth blade 19, and the first blade 21, the second blade 22, the third blade 23 and the fourth blade 24 are respectively attached to the bottom end surfaces of the corresponding first blade 16, the second blade 17, the third blade 18 and the fourth blade 19; the first cutter head 21, the second cutter head 22, the third cutter head 23 and the fourth cutter head 24 are respectively fixed with the inner cutter seat 3; the inner cutter heads 2 are designed to be split and are respectively arranged in the corresponding cutter grooves, so that the length of each cutter head can be relatively shortened, the processing difficulty of the cutter heads is reduced, the yield and the production benefit of the cutter heads are improved, and the production cost of the cutter heads is reduced; meanwhile, the fitting degree of the end surfaces of each cutter head and the corresponding cutter groove can be ensured, and the shaving effect of each cutter groove is ensured.

In the embodiment, in order to facilitate the production, processing and assembly of each tool bit, the first tool bit 21 and the second tool bit 22 are respectively fixed on two sides of the first guide groove 25, the first guide groove 25 is arranged outside the first guide rail 11 and is in sliding fit with the first guide rail 11, and the first guide groove 25 is adjustably connected with the inner tool holder 3 in a linkage manner; the third cutter head 23 and the fourth cutter head 24 are respectively fixed on two sides of a second guide groove 26, the second guide groove 26 is arranged outside the second guide rail 12 and is matched with the second guide rail 12 in a sliding manner, and the second guide groove 26 is adjustably connected with the inner cutter seat 3 in a linkage manner; respectively fixing the first cutter head 21 and the second cutter head 22 at two sides of the first guide groove 25, and enabling the first guide groove 25 to be arranged outside the first guide rail 11 and to be matched with the first guide rail 11 in a sliding manner, so that the first cutter head 21 and the second cutter head 22 can be synchronously driven through the first guide groove 25; the third cutter head 23 and the fourth cutter head 24 are respectively arranged at two sides of the second guide groove 26, and the second guide groove 26 is arranged outside the second guide rail 12 and is matched with the second guide rail 12 in a sliding manner, so that the inner cutter head 2 can be split into two independent groups, the length of each cutter head is relatively shortened, the flatness forming requirement of each cutter head is reduced, and the production and processing difficulty of each cutter head is relatively reduced; of course, from the object to be achieved, three guide grooves may be provided, the first tool bit is disposed outside the first guide groove and enables the first guide groove to be in sliding fit with the first guide rail, the second tool bit and the third tool bit are disposed on two sides of the independent third guide groove and are in sliding fit with the fixed guide rail, and the fourth tool bit is disposed outside the second guide groove and is in sliding fit with the second guide rail.

In this embodiment, in order to facilitate connection between each cutting head and the corresponding guide groove and to facilitate horizontal movement of each guide groove, the first guide groove 25 and the second guide groove 26 are respectively U-shaped in cross section, and the first cutting head 21, the second cutting head 22, the third cutting head 23 and the fourth cutting head 24 are respectively disposed at two sides of the corresponding first guide groove 25 and the second guide groove 26 and are perpendicular to the first guide groove 25 and the second guide groove 26; the first guide groove 25 and the second guide groove 26 are respectively designed into a U shape, so that the sliding fit with the first guide rail 11 and the second guide rail 12 can be facilitated, the horizontal reciprocating swing of the first guide groove 25 and the second guide groove 26 is ensured, and the deviation or dislocation of the first cutter head 21, the second cutter head 22, the third cutter head 23 and the fourth cutter head 24 is effectively avoided; of course, in order to prevent each cutter head from deviating or dislocating, the cutter head can be arranged in a V-shaped or dovetail groove shape, the same purpose can be achieved, but the U-shaped structure is easy to produce and process, so the embodiment of the embodiment is the preferred embodiment; and the first cutter head 21, the second cutter head 22, the third cutter head 23 and the fourth cutter head 24 are respectively perpendicular to the corresponding first guide groove 25 and the second guide groove 26, so that when external force acts on the bottoms of the first guide groove 25 and the second guide groove 26, the first guide groove 25 and the second guide groove 26 can correspondingly and synchronously ensure the end face fit degree between the first cutter head 21, the second cutter head 22, the third cutter head 23 and the fourth cutter head 24 and the corresponding first cutter groove 16, the second cutter groove 17, the third cutter groove 18 and the fourth cutter groove 19, and the hair shaving effect between the cutter heads and the cutter grooves is ensured.

In this embodiment, in order to facilitate the cutting heads to cooperate with the cutter grooves to cut hair, the first cutting head 21 and the second cutting head 22 have the same shape, each of the first cutting head 21 and the second cutting head 22 is composed of a plurality of cutting teeth 211 arranged at intervals and respectively arranged at two sides of the first guide groove 25, each cutting tooth 211 comprises a connecting portion 2111 and a cutting portion 2112, one end of each connecting portion 2111 is connected with the top end surface of the side wall of the first guide groove 25, the other end of each connecting portion 2112 is connected with the cutting portion 2112, and the cutting portion 2112 is trapezoidal, and the width of the front end of each cutting portion 2112 is smaller than the width of the tail end of; the third cutting head 23 and the fourth cutting head 24 have the same shape as the first cutting head 21, and the second guide groove 26 has the same shape as the first guide groove 25; the first cutter head 21, the second cutter head 22, the third cutter head 23 and the fourth cutter head 24 are all formed by arranging a plurality of cutting teeth 211 at equal intervals, when external force drives the first guide groove 25 and the second guide groove 26 to horizontally reciprocate, each cutting tooth 211 can be respectively matched with the beard inlet groove 14 in each cutter groove to cut off hairs entering the beard inlet groove 14, and the hair shaving effect is ensured; in order to cut off hair more quickly, the cutting teeth 21 are composed of a connecting portion 2111 and a cutting portion 2112, one end of the connecting portion 2111 is used for connecting the side wall of the guide groove, the other end is connected with the cutting portion 2112, the width of the front end of the cutting portion 2112 is trapezoidal and is smaller than that of the tail end, so that four cutting edges (two on the left side and two on the right side) are formed on each cutting tooth 211, and the shaving benefit can be improved to the maximum extent in the process of horizontal reciprocating swing.

In this embodiment, in order to facilitate the installation and fixation of the first guide groove 25 and the second guide groove 26 and ensure the end surface joint degree of each tool bit and the corresponding tool groove, the inner tool holder 3 includes a swing block 31 and an adjusting holder 32 disposed at both sides of the swing block 31, the adjusting holder 32 can move up and down along the swing block 31 under the action of an elastic member 33 and can horizontally swing back and forth synchronously with the swing block 31, the first guide groove 25 and the second guide groove 26 are respectively and fixedly installed on the adjusting holder 32 and can drive the first tool bit 21, the second tool bit 22, the third tool bit 23 and the fourth tool bit 24 to respectively joint with the bottom end surfaces of the corresponding first tool groove 16, the corresponding second tool groove 17, the corresponding third tool groove 18 and the corresponding fourth tool groove 19 under the elastic force of the elastic member 33; the adjusting seats 32 are respectively arranged on the two sides of the swinging block 31, so that the first guide groove 25 and the second guide groove 26 are respectively and fixedly connected with the adjusting seats 32, and the elastic piece 33 is arranged at the bottom of the adjusting seat 32, so that the first cutter head 21 and the second cutter head 22 which are arranged on the two sides of the first guide groove 25 and the third cutter head 23 and the fourth cutter head 24 which are arranged on the two sides of the second guide groove 26 can be conveniently adjusted to be respectively attached to the end surfaces of the corresponding cutter grooves; the adjusting seat 32 can synchronously and horizontally swing back and forth with the swing block, so that the first cutter head 21, the second cutter head 22, the third cutter head 23 and the fourth cutter head 24 can be ensured to cut off hairs under the matching of the corresponding first cutter groove 16, the corresponding second cutter groove 17, the corresponding third cutter groove 18 and the corresponding fourth cutter groove 19, and the hair shaving effect is ensured; and because the first guide groove 25 and the second guide groove 26 are of split structures and are arranged on different adjusting seats 32, the up-and-down displacement stroke of the adjusting seats 32 can be controlled by different elastic pieces 33, the end face fitting degree between the first cutter head 21, the second cutter head 22, the third cutter head 23 and the fourth cutter head 24 and the cutter grooves matched with the first cutter head, the second cutter head 22, the third cutter head 23 and the fourth cutter head 24 is realized, the processing difficulty of each cutter head is reduced, and the integral sharpness of the inner cutter head 2 is improved.

In the embodiment, in order to facilitate the adjustment of the adjustment seat 32 capable of moving up and down along the swing block 31 and ensure that the adjustment seat 32 can swing synchronously with the swing block 31 to remove hairs, spring seats 321 are respectively arranged at two ends of the bottom of the adjustment seat 32 and corresponding positions of the base 4, and a sliding groove 322 is arranged between the two spring seats 321; the swinging block 31 is provided with a pin shaft 311, and the sliding groove 322 is sleeved outside the pin shaft 311, so that the adjusting seat 32 can synchronously and horizontally swing back and forth with the swinging block 31 while moving up and down along the swinging block 31; the elastic member 33 is a spring, and two ends of the spring are respectively fixed on the adjusting seat 32 and the spring seat 321 of the base 4, so that two ends of the adjusting seat 32 can automatically move up and down; the spring seats 321 are respectively arranged on the adjusting seats 32 and the base 4, so that springs can be additionally arranged at two ends of the bottom of each adjusting seat 32, and the end face joint degrees between the first tool bit 21 and the second tool bit 22 at two sides of the first guide groove 25, the third tool bit 23 and the fourth tool bit 24 at two sides of the second guide groove 26 and the corresponding first tool groove 16, the second tool groove 17, the third tool groove 18 and the fourth tool groove 19 are automatically adjusted through the springs, so that the shaving effect is ensured; the middle position of each adjusting seat 32 is provided with a sliding groove 322, and the swinging block 31 is provided with a pin shaft 311, so that the sliding groove 322 can be arranged outside the pin shaft 311, and the adjusting seat 32 can move up and down along the pin shaft 311 and can synchronously swing back and forth with the swinging block 31.

In this embodiment, in order to prevent the swing block 31 from shifting or misplacing under the driving of the driving mechanism and affecting the shaving effect, the base 4 on both sides of the outer blade net 1 is respectively provided with a limiting groove 41, a sliding groove 42 is arranged in the limiting groove 41, a limiting pin 312 is arranged at the bottom end of the swing block 31, both sides of the swing block 31 are arranged in the limiting grooves 41 of the base 4, and the limiting pin 312 is arranged in the horizontal sliding groove 42, so that the swing block 31 can horizontally swing back and forth along the sliding groove 42 under the action of external force; the limit groove 41 is arranged on the base 4, so that the two sides of the swing block 31 are arranged in the limit groove 41, the swing block 31 can be effectively prevented from deviating or misplacing, and in order to reduce the friction resistance between the swing block 31 and the limit groove 41, the sliding groove 42 is additionally arranged in the limit groove 41, so that the friction resistance between the swing block 31 and the limit groove 41 can be reduced to the maximum extent by additionally arranging the limit pin 312 at the bottom of the swing block 31 and clamping the limit pin 312 in the sliding groove 42, the temperature rise is reduced, and the shaving comfort level is ensured; of course, in order to ensure the smoothness of the horizontal reciprocating swing of the swing block 31, the pin shaft may not be provided, for example, a ball is provided to be disposed between the swing block 31 and the limiting groove 41, and the same purpose can be achieved.

In this embodiment, in order to facilitate the fixed connection between the first guide slot 25 and the second guide slot 26 and the adjusting seat 32 and ensure the synchronous linkage between each guide slot and the adjusting seat 32, a plurality of protrusions 323 are disposed on the adjusting seat 32, the height of the protrusions 323 is less than or equal to the thickness of the first guide slot 25 or the second guide slot 26, through holes 27 matched with the protrusions 323 are respectively disposed at the bottoms of the first guide slot 25 and the second guide slot 26, and the protrusions 323 are inserted into the through holes 27 to enable the first guide slot 25 and the second guide slot 26 to be fixedly connected with the corresponding adjusting seat 32 respectively; by arranging the convex block 323 on the adjusting seat 32 and arranging the through holes 27 on the first guide groove 25 and the second guide groove 26, the first guide groove 25 and the second guide groove 26 can be fixedly connected with the adjusting seat 32 only by sleeving the through holes 27 outside the convex block 323 during assembly, and the synchronous linkage of the first guide groove 25 and the second guide groove 26 with the adjusting seat 32 is ensured. In order to prevent the friction between the inner cutter head 2 and the outer cutter net 1 from increasing the temperature and affecting the shaving effect, arc-shaped salient points 28 are respectively arranged on the inner side walls of the first guide groove 25 and the second guide groove 26, and the arc-shaped salient points 28 are respectively contacted with the corresponding side walls of the first guide rail 11 and the second guide rail 12; the arc-shaped salient points 28 are respectively arranged on the inner side walls of the first guide groove 25 and the second guide groove 26, and the arc-shaped salient points 28 are in contact with the first guide rail 11 and the second guide rail 12, so that the contact area between the outer cutter mesh 1 and the first guide groove 25 and the second guide groove 26 is relatively reduced, the original surface contact is changed into point contact, the temperature rise effect of the outer cutter mesh 1 can be effectively relieved, and the shaving comfort level is improved.

In this embodiment, in order to facilitate the fixed connection between the outer blade net 1 and the base 4, the base 4 is provided with an insertion hole 43, two ends of the fixed guide rail 13 are provided with insertion parts 131 extending outwards, and the insertion parts 131 are inserted into the insertion holes 43 to respectively fixedly connect two ends of the outer blade net 1 with the base 4; the insertion parts 131 are additionally arranged at the two ends of the fixed guide rail 13 respectively, so that the outer cutter mesh 1 can be fixed between the two bases 4 by respectively inserting the insertion parts 131 into the insertion holes 43 of the bases 4, and the connecting plates 44 are arranged at the two sides below the two bases 4 respectively and fix the two bases 4 through the connecting plates 44, so that the connecting firmness of the outer cutter mesh 1 and the bases 4 is ensured, the outer cutter mesh 1 is effectively prevented from being separated from the bases 4 in the use process, and the working stability and the service life of the cutter set are ensured; of course, the embodiment of the present embodiment is a preferred embodiment because the insertion portion is not required to be provided, for example, the outer blade net 1 is provided with a through hole, the base is provided with a threaded hole, and the outer blade net and the base can be fixedly connected by a screw.

The above embodiments should not be considered as limiting the present invention, but any modifications made based on the spirit of the present invention should be within the scope of the present invention.

Claims

1. A shaver head comprises an outer cutter net and an inner cutter head, wherein the inner cutter head is arranged on an inner cutter holder, and the shaver head is characterized in that a first guide rail, a second guide rail and a fixed guide rail are arranged at the bottom of the outer cutter net, so that a first cutter groove, a second cutter groove, a third cutter groove and a fourth cutter groove are formed at the bottom of the outer cutter net; the fixed guide rail is arranged between the first guide rail and the second guide rail, and two ends of the fixed guide rail are respectively connected with the bases to ensure that the outer cutter mesh is fixed between the two bases and the upper end surface of the outer cutter mesh is flush with the end surface of the bases; the inner cutter head is respectively arranged in the first cutter groove, the second cutter groove, the third cutter groove and the fourth cutter groove and is respectively attached to the bottom end surfaces of the first cutter groove, the second cutter groove, the third cutter groove and the fourth cutter groove.

2. The razor head as claimed in claim 1, wherein the inner tip comprises a first tip, a second tip, a third tip and a fourth tip respectively disposed in the first, second, third and fourth tips, and the first, second, third and fourth tips respectively fit with bottom end surfaces of the corresponding first, second, third and fourth tips; the first cutter head, the second cutter head, the third cutter head and the fourth cutter head are respectively fixed with the inner cutter seat.

3. The razor head as claimed in claim 2, wherein the first and second shaving heads are fixed to opposite sides of a first guide groove, respectively, the first guide groove being disposed outside the first guide rail and slidably engaged with the first guide rail, the first guide groove being adjustably coupled to the inner shaving head; the third cutter head and the fourth cutter head are respectively fixed on two sides of a second guide groove, the second guide groove is arranged outside the second guide rail and is in sliding fit with the second guide rail, and the second guide groove is in linkage connection with the inner cutter seat in an adjustable manner.

4. A razor head as claimed in claim 3, wherein the first and second guide grooves are each U-shaped in cross-section, and the first, second, third and fourth tips are disposed on opposite sides of the respective first and second guide grooves and are disposed perpendicularly thereto.

5. The razor head as claimed in claim 4, wherein the first and second shaving heads have the same shape, each of the first and second shaving heads is composed of a plurality of cutting teeth arranged at intervals and respectively disposed at both sides of the first guide groove, the cutting teeth include a connecting portion and a cutting portion, one end of the connecting portion is connected to the top end surface of the side wall of the first guide groove, the other end is connected to the cutting portion, and the cutting portion has a trapezoidal shape with a front end width smaller than a rear end width; the third cutter head and the fourth cutter head are the same as the first cutter head in shape, and the second guide groove is the same as the first guide groove in shape.

6. The razor head as claimed in claim 5, wherein the inner holder comprises a swing block and an adjusting holder disposed at both sides of the swing block, the adjusting holder is movable up and down along the swing block under the action of the elastic member and can swing horizontally and reciprocally in synchronization with the swing block, the first guide groove and the second guide groove are respectively and fixedly mounted on the adjusting holder, and the first, second, third and fourth tool bits can be driven to respectively fit with the bottom end surfaces of the corresponding first, second, third and fourth tool slots under the elastic force of the elastic member.

7. A razor head as claimed in claim 6, wherein spring seats are provided at respective ends of the bottom of the adjustment seat and at respective positions corresponding to the base, and a sliding groove is provided between the two spring seats; the swinging block is provided with a pin shaft, and the sliding groove is sleeved outside the pin shaft so that the adjusting seat can synchronously and horizontally swing back and forth with the swinging block while moving up and down along the swinging block; the elastic piece is a spring, and two ends of the spring are respectively fixed on the adjusting seat and the spring seat of the base, so that two ends of the adjusting seat can automatically move up and down.

8. The razor head as claimed in claim 7, wherein the base members are provided with a limiting groove on each side thereof, a sliding groove is formed in the limiting groove, a limiting pin is provided at a bottom end of the swing block, and the swing block is horizontally reciprocated along the sliding groove by an external force by placing both sides thereof in the limiting groove of the base member and the limiting pin in the horizontal sliding groove.

9. A razor head as claimed in claim 8, wherein the adjustment seat is provided with a plurality of projections having a height less than or equal to the thickness of the first guide groove or the second guide groove, the first guide groove and the second guide groove are respectively provided at the bottom thereof with through holes for engaging the projections, and the projections are inserted into the through holes to fixedly connect the first guide groove and the second guide groove to the respective adjustment seat; arc-shaped salient points are respectively arranged on the inner side walls of the first guide groove and the second guide groove and are respectively contacted with the corresponding side walls of the first guide rail and the second guide rail.

10. The razor head as claimed in claim 9, wherein the base has insertion holes, and the fixed rail has insertion portions at both ends thereof extending outwardly, the insertion portions being inserted into the insertion holes to fixedly connect both ends of the outer blade net to the base, respectively.