CN216831008U - Tool bit relocation mechanism and razor - Google Patents

Abstract

The utility model relates to a shaver head floating mechanism and a shaver. The method comprises the following steps: the movable cutter assembly comprises a first movable cutter set and a second movable cutter set; the transmission assembly at least comprises a first transmission piece, a second transmission piece and a third transmission piece, the third transmission piece is respectively connected with the first transmission piece and the second transmission piece, and the first transmission piece and the second transmission piece are respectively connected with the first movable cutter set and the second movable cutter set; the elastic component comprises a first elastic piece and a second elastic piece, wherein two ends of the first elastic piece respectively abut against the first transmission piece and the third transmission piece, and two ends of the second elastic piece respectively abut against the second transmission piece and the third transmission piece; the knife net component comprises a first knife net and a second knife net which are respectively provided with a first containing groove and a second containing groove, and at least parts of the first moving knife group and the second moving knife group are respectively arranged in the first containing groove and the second containing groove. The utility model provides a tool bit relocation mechanism knife net and move the tool bit group and can independently float respectively, and face's laminating nature is good, shaves the high quality.

Description

Tool bit relocation mechanism and razor

Technical Field

The utility model relates to the technical field of shavers, in particular to a shaver head floating mechanism and a shaver.

Background

The electric shaver is composed of a stainless steel mesh enclosure, an inner blade, a micro motor and a shell, wherein the mesh enclosure is a fixed outer blade, a plurality of holes are formed in the mesh enclosure, beards can extend into the holes, the micro motor is driven by electric energy to drive the inner blade to act, and the beards extending into the holes are cut off by utilizing a shearing principle.

The existing floating shaver product can adapt to different contour positions according to the shapes of faces of different people, and can be contacted with a shaver head, so that beards are cleaned. The current floating type shaver head has small structure elastic area, and needs a user to adjust the shaver angle by oneself, thereby having complex operation. Therefore, electric shavers with double-cutter meshes and double-cutter heads are available in the market to improve shaving efficiency. However, the electric shaver with the double knife nets and the double knife heads cannot float independently due to the common integrated design between the knife nets, so that the cutting cooperation between the electric shaver with the knife nets and the knife heads is poor, and the cutting efficiency of beards is often influenced. In addition, because the floating angle of the knife net and the knife head is limited, the fit performance of the knife net and the face of a user is not ideal, and the shaving effect is often influenced.

SUMMERY OF THE UTILITY MODEL

Accordingly, there is a need for a shaving head floating mechanism and a shaver that can achieve floating of a plurality of blade nets and a plurality of shaving heads, respectively, and that can improve the fit with the face of a user, and that has high shaving quality, simple operation, and good product reliability.

A tool bit float mechanism comprising: the movable knife assembly comprises a first movable knife group and a second movable knife group, and the first movable knife group is arranged on the inner side of the second movable knife group; the transmission assembly at least comprises a first transmission piece, a second transmission piece and a third transmission piece, the third transmission piece is respectively connected with the first transmission piece and the second transmission piece, and the first transmission piece and the second transmission piece are respectively connected with the first moving cutter set and the second moving cutter set; the elastic assembly comprises a first elastic piece and a second elastic piece, two ends of the first elastic piece respectively abut against the first transmission piece and the third transmission piece, and two ends of the second elastic piece respectively abut against the second transmission piece and the third transmission piece; the knife net component comprises a first knife net and a second knife net, the second knife net is arranged on the outer side of the first knife net, the first knife net and the second knife net are respectively provided with a first accommodating groove and a second accommodating groove, the first knife group and the second knife group are respectively arranged at least in part in the first accommodating groove and the second accommodating groove.

The application discloses tool bit relocation mechanism, including the sword net subassembly, move sword subassembly, drive assembly and elastic component. The movable cutter assembly at least comprises a first movable cutter set and a second movable cutter set, and at least parts of the movable cutter assembly are respectively arranged in the first accommodating groove and the second accommodating groove of the first cutter mesh and the second cutter mesh, so that shaving surfaces of the movable cutter and the cutter meshes are mutually matched to form a beard cutting part. Foretell double knives head double knives net sets up, can effectively increase the area of shaving of tool bit, can obviously improve the laminating compactness of face and the facial skin of operator of shaving, and then improves the efficiency of shaving and satisfies user's use and experience.

In the tool bit floating mechanism, the transmission component comprises a first transmission part, a second transmission part and a third transmission part, and the first movable tool set and the second movable tool set are respectively connected with the first transmission part and the second transmission part, so that the first movable tool set and the second movable tool set can rotate under the driving of different transmission parts.

The tool bit floating mechanism further comprises an elastic assembly, wherein a first elastic piece of the elastic assembly abuts against the first transmission piece and the third transmission piece respectively, a second elastic piece abuts against the second transmission piece and the third transmission piece respectively, and finally the first movable tool set and the second movable tool set are elastically floated respectively. Through the design, the movable cutter component can be better closely attached to the cutter mesh component in a fit manner, so that the cutting efficiency of beards is improved, and the shaving performance of the cutter head is improved.

The tool bit floating mechanism in one embodiment further comprises a support member, and the third transmission member is arranged on the support member.

The cutter head floating mechanism also comprises a support part which is used for better supporting and fixing the position of the transmission assembly so as to better realize the elastic floating of the cutter head.

In one embodiment, the second transmission member is provided with a plurality of fourth limiting protruding columns, the fourth limiting protruding columns are arranged along the circumferential direction of the second transmission member at intervals of 90 degrees, and the second movable cutter set is provided with third notches corresponding to the fourth limiting protruding columns.

In the tool bit floating mechanism, the second transmission member is provided with a fourth limiting convex column at intervals of 90 degrees in the circumferential direction, and the second movable tool group is provided with a third notch corresponding to the fourth limiting convex column. The second transmission part is clamped in the third notch of the second movable cutter set through the fourth limiting convex column, so that the second movable cutter set is driven to rotate through the second transmission part. The second transmission member is in cross connection with the second movable cutter set, and technical support is provided for the first movable cutter set and the second movable cutter set to achieve unimpeded universal floating.

In one embodiment, a third accommodating groove is formed in the third transmission member, a third limiting through hole is formed in the inner wall of the bottom of the third accommodating groove, the third limiting through hole is used for being connected with a rotating shaft of a driving device, the first elastic member is disposed in the third accommodating groove and abuts against the bottom of the third accommodating groove, and the first transmission member is at least partially disposed in the third accommodating groove and abuts against the third limiting through hole.

In the tool bit floating mechanism, the third transmission member is provided with the third accommodating groove, and the inner wall of the bottom of the third accommodating groove is provided with the third limiting through hole which is used for being tightly matched and connected with the rotating shaft of the external driving device, so that the third transmission member is driven to rotate. In addition, the first transmission piece is at least partially arranged in the third accommodating groove, and under the action of the first elastic piece, the first transmission piece can move relatively in the third accommodating groove and is abutted against the groove bottom of the third accommodating groove to limit the displacement of the first transmission piece.

In one embodiment, a plurality of first limiting protruding columns are circumferentially disposed in the third accommodating groove, the first limiting protruding columns are circumferentially disposed along the third accommodating groove at intervals of 90 °, the second transmission member has a fourth accommodating groove, a groove wall of the fourth accommodating groove is provided with a first elongated limiting through hole corresponding to the first limiting protruding column, and the third transmission member is disposed in the fourth accommodating groove and engaged with the first limiting through hole of the second transmission member through the first limiting protruding column.

In the tool bit floating mechanism, the second transmission member is provided with a fourth accommodating groove, the fourth accommodating groove is used for accommodating the second elastic member, and the second transmission member is sleeved outside the third transmission member. Wherein, second elastic component one end offsets with the second driving medium, and the other end offsets with the third driving medium to be equipped with a plurality of first spacing projections on the third storage tank of third driving medium, a plurality of first spacing projections set up at third storage tank interval 90 in circumference. The second transmission part is provided with a fourth containing groove, and the groove wall of the fourth containing groove is provided with a first elongated limiting through hole corresponding to the first limiting convex column in position and shape, so that the cross-shaped clamping state of the third transmission part and the second transmission part is realized. Through the first spacing through-hole that sets up rectangular shape to under the effect of second elastic component, the second driving medium can be relative third driving medium relative movement, and realizes the restriction to the displacement through the pore wall at rectangular shape first spacing through-hole both ends. Above-mentioned structure can improve tool bit relocation mechanism's structural stability to the use reliability of product has been improved.

In one embodiment, the first transmission element is provided with a plurality of second limiting protruding columns, the second limiting protruding columns are arranged at intervals of 90 degrees along the circumferential direction of the first transmission element, the top wall of the fourth accommodating groove is further provided with a through first limiting portion, the first limiting portion is provided with a plurality of first notches corresponding to the second limiting protruding columns, the first transmission element penetrates through the first limiting portion, and the first transmission element is clamped on the first notches of the first limiting portion through the second limiting protruding columns and slides on the first notches.

The cutter head floating mechanism is characterized in that the first transmission piece is further provided with a plurality of second limiting convex columns, the plurality of second limiting convex columns are arranged at intervals of 90 degrees along the circumferential direction of the first transmission piece, the top wall of the fourth accommodating groove is further provided with a through first limiting portion, and the first limiting portion is further provided with a plurality of first notches corresponding to the second limiting convex columns. The first transmission piece can penetrate through the first limiting part to enter the fourth containing groove and is in clamping fit with the first notch through the second limiting convex column on the first limiting part, and therefore the first transmission piece is limited in the cross connection of the second transmission piece.

In the above-mentioned tool bit floating mechanism, specifically, the first transmission member passes through the first limiting portion and is cross-connected with the first notch on the second transmission member through the second limiting protruding column on the first transmission member, so as to realize the assembly between the first transmission member and the second transmission member. A plurality of first limiting through holes are further formed in the fourth accommodating groove of the second transmission piece in a cross shape, and first limiting protruding columns are arranged on the third transmission piece at intervals of 90 degrees in the circumferential direction. The second transmission piece and the third transmission piece are connected in a cross mode through the clamping between the first limiting protruding columns and the first limiting through holes, and finally the first transmission piece and the second transmission piece, the second transmission piece and the third transmission piece, and the second movable cutter group and the second transmission piece are connected in a cross mode respectively. The connection mode can realize barrier-free universal floating of the movable cutter component.

Optionally, the first notch is in a long strip shape, and the moving position of the first transmission member relative to the second transmission member can be limited by arranging the long strip-shaped first notch, so that the first transmission member is prevented from sliding out to influence the using effect.

In one embodiment, a second position-limiting portion is disposed at the opening of the third accommodating groove, and one end of the second elastic element is sleeved outside the second position-limiting portion and abuts against the second position-limiting portion.

In the above cutter head floating mechanism, the opening of the third accommodating groove is further provided with a second limiting part. Optionally, the second limiting portion is a recessed portion having a circumferential diameter smaller than a circumferential diameter of the third receiving groove. The second limiting part is arranged on the third accommodating groove, so that the second elastic piece can be conveniently sleeved and limited.

In one embodiment, a plurality of second notches are formed on a groove wall of the third accommodating groove.

According to the tool bit floating mechanism, the plurality of second notches are formed in the groove wall of the third accommodating groove, so that when the second transmission piece is inserted into the third transmission piece, the groove wall of the third accommodating groove is elastically deformed, and the second transmission piece is conveniently clamped on the third transmission piece.

In one embodiment, at least two first limiting blocks are arranged on one side of the first transmission piece, which is abutted against the first elastic piece, the at least two first limiting blocks are arranged oppositely, and one end of the first elastic piece, which is far away from the third transmission piece, is accommodated in a cavity formed by the at least two first limiting blocks in a surrounding manner.

In the tool bit floating mechanism, the first limiting blocks are arranged on the side, where the first transmission member abuts against the first elastic member, and the plurality of first limiting blocks are enclosed to form the cavity, and the first elastic member is partially arranged in the cavity, so that the first elastic member is positioned.

Optionally, a fifth accommodating groove is further formed in the first transmission member, and the fifth accommodating groove is used for inserting a rotating shaft of the driving motor or a rotating rod in transmission connection with the rotating shaft so as to drive the transmission assembly to integrally rotate. The opening of the fifth accommodating groove is communicated with the cavity, the groove wall of the fifth accommodating groove is provided with at least two limiting elastic sheets, at least part of the limiting elastic sheets protrudes out of the opening of the fifth accommodating groove, and the first elastic piece and the first transmission piece are accommodated in the cavity and sleeved outside the at least two limiting elastic sheets. The limiting elastic sheet arranged in the fifth accommodating groove can fasten the rotating shaft in the fifth accommodating groove, and the limiting elastic sheet protrudes out of the fifth accommodating groove part to further limit the first elastic piece.

The tool bit floating mechanism in one embodiment further comprises a forward and reverse rotation mechanism, the forward and reverse rotation mechanism is arranged on the supporting member, the forward and reverse rotation mechanism at least comprises a fourth transmission member, a fifth transmission member and a sixth transmission member, the fourth transmission member is arranged on the supporting member, one end of the sixth transmission member is connected with the fifth transmission member, the other end of the sixth transmission member is used for being connected with the knife net assembly, the elastic assembly further comprises a third elastic member, one end of the third elastic member is abutted against the fourth transmission member, and the other end of the third elastic member is abutted against the fifth transmission member.

The tool bit floating mechanism further comprises a forward and reverse rotation mechanism, and the forward and reverse rotation mechanism is used for realizing forward and reverse rotation of the first tool net and the second tool net. On the other hand, the forward and reverse rotation mechanism is also connected with a third elastic part, so that elastic floating of the knife net assembly is realized.

In one embodiment, the fourth transmission member includes a fourth transmission member body and a third limiting portion disposed on the fourth transmission member body, the third elastic member is partially sleeved outside the third limiting portion, the third limiting portion is further provided with a second elongated limiting through hole, the fifth transmission member is provided with a through hole, a third limiting protruding column is disposed on an inner wall of the through hole, the fifth transmission member is sleeved outside the third limiting portion, the fifth transmission member is engaged with the second limiting through hole through the third limiting protruding column, and the third limiting protruding column can slide on the second limiting through hole.

In the tool bit floating mechanism, the fourth transmission part body of the fourth transmission part is provided with the third limiting part, and the third elastic part is partially sleeved outside the third limiting part, so that the third elastic part is positioned on the fourth transmission part. In addition, a second elongated limiting through hole is further formed in the third limiting portion, a through hole is formed in the fifth transmission part, a third limiting protruding column is further arranged on the inner wall of the through hole, and the fifth transmission part is enabled to move on the fourth transmission part under the action of the third elastic part through limiting matching of the third limiting protruding column and the elongated through hole in the fifth transmission part, so that floating and limiting of the knife net component are achieved.

In one embodiment, the fifth transmission member includes a fifth transmission member body, a first engaging tooth is disposed on the fifth transmission member body, the sixth transmission member includes a sixth transmission member body, a second engaging tooth adapted to the first engaging tooth is disposed on the sixth transmission member body, and the fifth transmission member and the sixth transmission member are engaged and connected through the first engaging tooth and the second engaging tooth.

Foretell tool bit relocation mechanism, fifth driving medium include fifth driving medium body, still are equipped with first rodent on the fifth driving medium body, and the sixth driving medium includes sixth driving medium body, are equipped with the second rodent on the sixth driving medium body, and fifth driving medium and sixth driving medium are connected through first rodent and the meshing of second rodent to realize the assembly of fifth driving medium and sixth driving medium and combine, and further make the fifth driving medium drive sixth driving medium and rotate, finally realize the just reverse motion of cutting net subassembly.

In one embodiment, the knife net assembly further comprises a limiting structure and a fixing part, the first knife net and the second knife net are respectively connected with the limiting structure, the first knife net and the second knife net can respectively and independently rotate, the second knife net is connected with the sixth transmission part, the elastic assembly further comprises a fourth elastic part, the fixing part is connected with the limiting structure, and the fourth elastic part is arranged between the first knife net and the fixing part and abutted against the first knife net and the fixing part.

According to the cutter head floating mechanism, the cutter mesh component further comprises a limiting structure and a fixing piece, wherein the first cutter mesh and the second cutter mesh are respectively positioned on the limiting structure, and then the first cutter mesh is driven to rotate the second cutter mesh. Meanwhile, the elastic assembly further comprises a fourth elastic element, one end of the elastic element abuts against the first knife net, and the other end of the elastic element abuts against the fixing element on the limiting structure, so that the first knife net is floated. By means of the structure, the first cutter mesh and the second cutter mesh can be elastically floated relatively, so that elastic floating of all parts of the shaving surface is enhanced, and different movable cutter sets are better matched with the cutter mesh components.

A shaving razor, said shaving razor comprising: the tool bit floating mechanism comprises a machine body, a driving mechanism and the tool bit floating mechanism according to any one of claims, wherein the driving mechanism is arranged in the machine body, and one end of the tool bit floating mechanism is connected with a rotating shaft of the driving mechanism.

The shaver is provided with the shaver head floating mechanism, so that the shaving area is increased, and meanwhile, different movable cutter groups and different cutter nets can be independently and elastically floated, so that cutting surfaces between the different movable cutter groups and the different cutter nets are matched more closely, and the shaving effect is better.

Drawings

FIG. 1 is a schematic structural view of a tool bit floating mechanism of the present invention after disassembly;

FIG. 2 is a schematic view of a third transmission member according to the present invention;

FIG. 3 is a second schematic view of the third transmission member according to the present invention;

FIG. 4 is a schematic structural view of the second transmission member according to the present invention;

FIG. 5 is a second schematic structural view of the second transmission member according to the present invention;

FIG. 6 is a schematic structural diagram of the first transmission member according to the present invention;

FIG. 7 is a second schematic structural view of the first transmission member according to the present invention;

FIG. 8 is a third schematic structural view of the first transmission member according to the present invention;

FIG. 9 is a schematic view of a fourth transmission member according to the present invention;

FIG. 10 is a schematic view of a fifth transmission member according to the present invention;

FIG. 11 is a schematic view of a sixth transmission member according to the present invention;

FIG. 12 is a schematic view of a first wire according to the present invention;

FIG. 13 is a schematic view of a second wire according to the present invention;

FIG. 14 is a schematic view of the floating structure of the tool tip according to one embodiment of the present invention after assembly;

FIG. 15 is a schematic assembled view of a transmission assembly according to one embodiment of the present invention;

Fig. 16 is a schematic structural diagram of the first transmission assembly, the third transmission assembly, the first elastic member and the second elastic member after being assembled.

Fig. 17 is a schematic view of the structure of the shaver according to the present invention.

Wherein, the corresponding relation between the reference signs and the component names is as follows:

100 movable cutter assemblies, 110 first movable cutter sets, 120 second movable cutter sets and 1201 third gaps;

200 transmission components, 210 a first transmission component, 2101 a first limit block, 2102 cavities, 2103 a fifth containing groove, 2104 a limit elastic sheet, 2105 a second limit convex column, 220 a second transmission component, 2201 a fourth containing groove, 2202 a first limit through hole, 2204 a first limit part, 2205 a first gap, 2206 a fourth limit convex column, 230 a third transmission component, 2301 a third containing groove, 2302 a third limit through hole, 2303 a first limit convex column, 2304 a second limit part and 2305 a second gap;

300 elastic component, 310 first elastic component, 320 second elastic component, 330 third elastic component, 340 fourth elastic component;

400 knife net components, 410 a first knife net, 4101 a first containing groove, 420 a second knife net, 4201 a second containing groove, 430 a limiting structure and 440 a fixing piece;

500 a support member;

600 forward and reverse rotation mechanisms, 610 a fourth transmission piece, 6101 a third limiting part, 6102 a fourth transmission piece body, 6103 a second limiting through hole, 620 a fifth transmission piece, 6201 a through hole, 6202 a third limiting convex column, 6203 a first meshing tooth, 6204 a fifth transmission piece body, 630 a sixth transmission piece, 6301 a second meshing tooth and 6302 a sixth transmission piece body;

A body 700;

800 drive mechanism.

Detailed Description

In order that the above objects, features and advantages of the present invention can be more clearly understood, a more particular description of the invention will be rendered by reference to the appended drawings. It should be noted that the embodiments and features of the embodiments of the present application may be combined with each other without conflict.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, however, the present invention may be practiced in other ways than those specifically described herein, and therefore the scope of the present invention is not limited by the specific embodiments disclosed below.

A head floating mechanism and a shaver according to some embodiments of the present invention will be described below with reference to the accompanying drawings.

As shown in fig. 1, 12, 13, and 15, the present embodiment discloses a tool bit floating mechanism including: the movable knife assembly 100 comprises a first movable knife group 110 and a second movable knife group 120, wherein the first movable knife group 110 is arranged on the inner side of the second movable knife group 120; the transmission assembly 200, one end of the transmission assembly 200 is used for connecting with an external driving mechanism, the transmission assembly 200 at least includes a first transmission piece 210, a second transmission piece 220 and a third transmission piece 230, the third transmission piece 230 is respectively connected with the first transmission piece 210 and the second transmission piece 220, and the first transmission piece 210 and the second transmission piece 220 are respectively connected with the first movable knife group 110 and the second movable knife group 120; the elastic assembly 300, the elastic assembly 300 includes a first elastic member 310 and a second elastic member 320, two ends of the first elastic member 310 respectively abut against the first transmission member 210 and the third transmission member 230, and two ends of the second elastic member 320 respectively abut against the second transmission member 220 and the third transmission member 230; the knife net assembly 400, the knife net assembly 400 includes a first knife net 410 and a second knife net 420, the second knife net 420 is disposed outside the first knife net 410, the first knife net 410 and the second knife net 420 are respectively provided with a first accommodation groove 4101 and a second accommodation groove 4201, and at least a portion of the first movable knife group 110 and a portion of the second movable knife group 120 are respectively disposed in the first accommodation groove 4101 and the second accommodation groove 4201.

The application discloses tool bit relocation mechanism, including cutter mesh subassembly 400, move cutter unit spare 100, drive assembly 200 and elastic component 300. The movable blade assembly 100 at least includes a first movable blade set 110 and a second movable blade set 120, and at least portions of the movable blade sets are respectively disposed in the first accommodation grooves 4101 and the second accommodation grooves 4201 of the first blade net 410 and the second blade net 420, so that the shaving surfaces of the movable blade and the blade nets are mutually matched to form beard cutting portions. Foretell two sword nets of double-tool bit set up, can effectively increase the area of shaving of tool bit, can obviously improve the laminating compactness of face and the facial skin of operator of shaving, and then improve and shave efficiency and satisfy user's use and experience.

In the tool bit floating mechanism, the transmission assembly 200 includes a first transmission member 210, a second transmission member 220 and a third transmission member 230, and the first movable knife set 110 and the second movable knife set 120 are respectively connected to the first transmission member 210 and the second transmission member 220, so that the first movable knife set 110 and the second movable knife set 120 are driven by different transmission members to rotate.

The tool bit floating mechanism further includes an elastic component 300, wherein a first elastic component 310 of the elastic component 300 abuts against the first transmission component 210 and the third transmission component 230, and a second elastic component 320 abuts against the second transmission component 220 and the third transmission component 230, so as to finally realize the elastic floating of the first movable knife set 110 and the second movable knife set 120. Through the design, the movable cutter component 100 can be better closely attached to and matched with the cutter mesh component 400, so that the cutting efficiency of beards is improved, and the shaving performance of the cutter head is improved.

As shown in fig. 1 and fig. 15, in addition to the features of the above embodiment, the present embodiment further defines: the tool bit floatation mechanism further includes a support member 500, and a third transmission member 230 is provided on the support member 500.

The above-mentioned floating mechanism for the cutter head further comprises a support member 500, and the support member 500 is used for better supporting and fixing the position of the transmission assembly 200 so as to better realize the elastic floating of the cutter head.

As shown in fig. 1 and 4, in this embodiment, the second transmission member 220 is provided with a plurality of fourth limiting protruding columns 2206, the plurality of fourth limiting protruding columns 2206 are arranged along the circumferential direction of the second transmission member 220 at intervals of 90 °, and the second movable cutter group 120 is provided with third gaps 1201 corresponding to the fourth limiting protruding columns 2206.

In the floating mechanism, the second transmission member 220 is provided with a fourth limiting convex column 2206 at a circumferential interval of 90 degrees, and the second movable cutter group 120 is further provided with a third gap 1201 corresponding to the fourth limiting convex column 2206. The second transmission member 220 is engaged with the third gap 1201 of the second movable knife group 120 through the fourth limiting protruding column 2206, so that the second movable knife group 120 is driven to rotate by the second transmission member 220. The second transmission member 220 is cross-connected to the second movable knife group 120, so as to provide technical support for the second movable knife group 120 to achieve unobstructed universal floating.

As shown in fig. 1, 2, 3, and 16, in the present embodiment, a third accommodating groove 2301 is disposed on the third transmission member 230, a third limiting through hole 2302 is disposed on an inner wall of a groove bottom of the third accommodating groove 2301, the third limiting through hole 2302 is used for being tightly fitted and connected with a rotating shaft of the driving device, the first elastic member 310 is disposed in the third accommodating groove 2301 and abuts against the groove bottom of the third accommodating groove 2301, and the first transmission member 210 is at least partially disposed in the third accommodating groove 2301 and abuts against the third limiting through hole 2302.

In the tool bit floating mechanism, the third transmission member 230 is provided with a third accommodating groove 2301, and a third limiting through hole 2302 is arranged on the inner wall of the groove bottom of the third accommodating groove 2301, and the third limiting through hole 2302 is used for being tightly matched and connected with a rotating shaft of an external driving device, so as to realize the rotation driving of the third transmission member 230. In addition, the first transmission element 210 is at least partially disposed in the third receiving cavity 2301, and under the action of the first elastic element 310, the first transmission element 210 can move relatively in the third receiving cavity 2301 and abut against the bottom of the third receiving cavity 2302 to limit the displacement of the first transmission element 210.

As shown in fig. 2, 4, and 5, in the present embodiment, a plurality of first limiting protruding columns 2303 are disposed in the circumferential direction of the third accommodating groove 2301, the plurality of first limiting protruding columns 2303 are disposed at intervals of 90 ° in the circumferential direction of the third accommodating groove 2301, the second transmission member 220 is disposed with a fourth accommodating groove 2201, a groove wall of the fourth accommodating groove 2201 is disposed with a first limiting through hole 2202 having a long strip shape and corresponding to the first limiting protruding column 2303, and the third transmission member 230 is disposed in the fourth accommodating groove 2201 and is engaged with the first limiting through hole 2202 of the second transmission member 220 through the first limiting protruding column 2303.

In the tool bit floating mechanism, the second transmission member 220 is provided with a fourth receiving groove 2201, the second elastic member 320 is disposed in the fourth receiving groove 2201, and the second transmission member 220 is sleeved outside the third transmission member 230. One end of the second elastic element 320 abuts against the second transmission element 220, the other end abuts against the third transmission element 230, a plurality of first limiting convex columns 2303 are arranged on a third accommodating groove 2301 of the third transmission element 230, and the plurality of first limiting convex columns 2303 are arranged at intervals of 90 degrees in the circumferential direction of the third accommodating groove 2301. The second transmission member 220 is provided with a fourth receiving groove 2201, and the groove wall of the fourth receiving groove 2201 is provided with a first elongated limiting through hole 2202 corresponding to the first limiting convex column 2303 in position and shape, so that the cross-shaped engagement state of the third transmission member 230 and the second transmission member 220 is realized. Through setting up rectangular shape first spacing through-hole 2202 to under the effect of second elastic component 320, second driving medium 220 can be relative motion to third driving medium 230, and realize the restriction to the displacement through the pore wall at rectangular shape first spacing through-hole 2202 both ends. Above-mentioned structure can improve tool bit relocation mechanism's structural stability to the use reliability of product has been improved.

As shown in fig. 5, 6, and 15, in the present embodiment, further, a plurality of second limiting protruding columns 2105 are disposed on the first transmission element 210, the plurality of second limiting protruding columns 2105 are disposed along the circumferential direction of the first transmission element 210 at intervals of 90 °, a through first limiting portion 2204 is further disposed on the top wall of the fourth receiving groove 2201, a plurality of first notches 2205 corresponding to the second limiting protruding columns 2105 are disposed on the first limiting portion 2204, the first transmission element 210 passes through the first limiting portion 2204, and the first transmission element 210 is engaged with the first notches 2205 of the first limiting portion 2204 through the second limiting protruding columns 2105 and slides on the first notches 2205.

In the above-mentioned cutter head floating mechanism, the first transmission member 210 is further provided with a plurality of second limiting protruding columns 2105, the plurality of second limiting protruding columns 2105 are arranged at intervals along the circumferential direction of the first transmission member 210, the top wall of the fourth accommodating groove 2201 is further provided with a through first limiting portion 2204, and the first limiting portion 2204 is further provided with a plurality of first notches 2205 corresponding to the second limiting protruding columns 2105. The first transmission element 210 may pass through the first position-limiting portion 2204 and enter the fourth receiving groove 2201, and the first transmission element 210 is limited in the second transmission element 220 in a cross-shaped connection manner by the engagement of the second position-limiting protruding pillar 2105 thereon and the first notch 2205.

In the tool bit floating mechanism, specifically, the first transmission member 210 passes through the first limit portion 2204 and is cross-connected with the first notch 2205 on the second transmission member 220 through the second limit protruding column 2105 on the first transmission member 210, so as to realize the assembly between the first transmission member 210 and the second transmission member 220. A plurality of first limiting through holes 2202 are further formed in the fourth containing groove 2201 of the second transmission piece 220 in a cross manner, and first limiting convex columns 2303 are arranged on the third transmission piece 230 at intervals of 90 degrees in the circumferential direction. The second transmission piece 220 and the third transmission piece 230 are in cross connection through the engagement between the first limiting convex column 2303 and the first limiting through hole 2202, and finally, the first transmission piece 210 and the second transmission piece 220, the second transmission piece 220 and the third transmission piece 230, and the second movable knife group 120 and the second transmission piece 220 are in cross connection respectively. The above-mentioned connection mode can implement universal floating of the movable knife assembly 100 without obstacles.

Optionally, the first notch 2205 is in a long strip shape, and by providing the long strip shape of the first notch 2205, the moving position of the first transmission member 210 relative to the second transmission member 220 can be limited, so as to prevent the first transmission member 210 from slipping out and affecting the use effect.

As shown in fig. 2 and 16, in the present embodiment, a second position-limiting portion 2304 is disposed at an opening of the third accommodating groove 2301, and one end of the second elastic element 320 is sleeved outside the second position-limiting portion 2304 and abuts against the second position-limiting portion 2304.

In the tool bit floating mechanism, the opening of the third accommodating groove 2301 is further provided with a second limiting portion 2304. Optionally, the second limiting portion 2304 is a concave portion with a circumferential diameter smaller than that of the third receiving groove 2301. By further disposing the second limiting portion 2304 on the third accommodating groove 2301, the second elastic element 320 can be conveniently sleeved and limited.

As shown in fig. 2, in the present embodiment, a plurality of second notches 2305 are formed on a wall of the third accommodating groove 2301.

In the tool bit floating mechanism, the plurality of second notches 2305 are formed in the groove wall of the third accommodating groove 2301, so that when the second transmission member 220 is inserted into the third transmission member 230, the groove wall of the third accommodating groove 2301 is elastically deformed, and the second transmission member 220 is conveniently clamped on the third transmission member 230.

As shown in fig. 6 and fig. 8, in this embodiment, at least two first limiting blocks 2101 are disposed on one side of the first transmission member 210 abutting against the first elastic member 310, the at least two first limiting blocks 2101 are disposed oppositely, and one end of the first elastic member 310 away from the third transmission member 230 is accommodated in a cavity 2102 surrounded by the at least two first limiting blocks 2101.

In the tool bit floating mechanism, the first limiting block 2101 is arranged on one side of the first transmission member 210 abutting against the first elastic member 310, the plurality of first limiting blocks 2101 surround to form the cavity 2012, and the first elastic member 310 is partially arranged in the cavity 2102, so that the first elastic member 310 is positioned.

Optionally, as shown in fig. 7, a fifth receiving slot 2103 is further disposed in the first transmission member 210, and the fifth receiving slot 2103 is used for inserting a rotating shaft of the driving motor or a rotating rod in transmission connection with the rotating shaft, so as to drive the transmission assembly 200 to integrally rotate. The opening of the fifth receiving slot 2103 is communicated with the cavity 2102, at least two limiting elastic sheets 2104 are disposed on a slot wall of the fifth receiving slot 2103, at least a portion of the limiting elastic sheets 2104 protrudes out of the opening of the fifth receiving slot 2103, and the first elastic member 310 and the first transmission member 210 are received in the cavity 2102 and are sleeved outside the at least two limiting elastic sheets 2104. The limiting elastic sheet 2104 disposed in the fifth receiving slot 2103 can fasten the rotating shaft in the fifth receiving slot 2103, and the portion of the limiting elastic sheet 2104 protruding the fifth receiving slot 2103 can further limit the first elastic element 310.

As shown in fig. 1 and fig. 14, the floating mechanism for a tool bit in this embodiment further includes a forward and reverse rotation mechanism 600, the forward and reverse rotation mechanism 600 is disposed on the supporting member 500, the forward and reverse rotation mechanism 600 at least includes a fourth transmission member 610, a fifth transmission member 620, and a sixth transmission member 630, the fourth transmission member 610 is disposed on the supporting member 500, one end of the sixth transmission member 630 is connected to the fifth transmission member 620, and the other end is used for being connected to the knife net assembly 400, the elastic assembly 300 further includes a third elastic member 330, one end of the third elastic member 330 abuts against the fourth transmission member 610, and the other end abuts against the fifth transmission member 620.

The tool bit floating mechanism further comprises a forward and reverse rotation mechanism 600, and the forward and reverse rotation mechanism 600 is used for realizing forward and reverse rotation of the first knife grid 410 and the second knife grid 420 on one hand. On the other hand, the forward and reverse rotation mechanism 600 is further connected with a third elastic member 330, so that elastic floating of the knife net assembly 400 is realized.

As shown in fig. 9, 10, and 14, in the embodiment, the fourth transmission element 610 includes a fourth transmission element body 6102 and a third limiting portion 6101 disposed on the fourth transmission element body 6102, the third elastic element 330 is partially sleeved outside the third limiting portion 6101, the third limiting portion 6101 is further provided with a second elongated limiting through hole 6103, the fifth transmission element 620 is provided with a through hole 6201, the inner wall of the through hole 6201 is provided with a third limiting convex column 6202, the fifth transmission element 620 is sleeved outside the third limiting portion 6101, the fifth transmission element 620 is engaged with the second limiting through hole 6103 through the third limiting convex column 6202, and the third limiting convex column 6202 can slide on the second limiting through hole 6103.

In the tool bit floating mechanism, the fourth transmission body 6102 of the fourth transmission 610 is provided with the third limiting portion 6101, and the third elastic element 330 is partially sleeved outside the third limiting portion 6101, so as to position the third elastic element 330 on the fourth transmission 610. In addition, a second elongated limiting through hole 6103 is further provided on the third limiting portion 6101, the fifth transmission member 620 is provided with a through hole 6201, a third limiting convex column 6202 is further provided on the inner wall of the through hole 6201, and the fifth transmission member 620 is moved on the fourth transmission member 610 under the action of the third elastic member 330 by the limiting fit of the third limiting convex column 6202 and the elongated through hole 6201 on the fifth transmission member 620, thereby realizing the floating and limiting of the cutting blade assembly 400.

As shown in fig. 10 and 11, in the present embodiment, the fifth transmission member 620 includes a fifth transmission member body 6204, a first engaging tooth 6203 is disposed on the fifth transmission member body 6204, the sixth transmission member 630 includes a sixth transmission member body 6302, a second engaging tooth 6301 adapted to the first engaging tooth 6203 is disposed on the sixth transmission member body 6302, and the fifth transmission member 620 is engaged with the sixth transmission member 630 through the first engaging tooth 6203 and the second engaging tooth 6301.

In the tool bit floating mechanism, the fifth transmission member 620 includes a fifth transmission member body 6204, the fifth transmission member body 6204 is further provided with a first engaging tooth 6203, the sixth transmission member 630 includes a sixth transmission member body 6302, the sixth transmission member body 6302 is provided with a second engaging tooth 6301, the fifth transmission member 620 and the sixth transmission member 630 are meshed and connected through the first engaging tooth 6203 and the second engaging tooth 6301, so as to assemble and combine the fifth transmission member 620 and the sixth transmission member 630, further enable the fifth transmission member 620 to drive the sixth transmission member 630 to rotate, and finally realize the forward and reverse rotation of the cutter net assembly 400.

As shown in fig. 1 and 14, in the present embodiment, the blade net assembly 400 further includes a limiting structure 430 and a fixing member 440, the first blade net 410 and the second blade net 420 are respectively connected to the limiting structure 430, the first blade net 410 and the second blade net 420 can respectively rotate independently, the second blade net 420 is connected to the sixth transmission member 630, the elastic assembly 300 further includes a fourth elastic member 340, the fixing member 440 is connected to the limiting structure 430, and the fourth elastic member 340 is disposed between the first blade net 410 and the fixing member 440 and abuts against the first blade net 410 and the fixing member 440.

In the tool bit floating mechanism, the knife net assembly 400 further includes a limiting structure 430 and a fixing member 440, wherein the first knife net 410 and the second knife net 420 are respectively positioned on the limiting structure 430, so that the first knife net 410 drives the second knife net 420 to rotate. Meanwhile, the elastic assembly 300 further includes a fourth elastic element 340, one end of the elastic element 340 abuts against the first blade net 410, and the other end abuts against a fixing element 440 on the limiting structure 430, so that the first blade net 410 is floated. By the structure, the relative elastic floating of the first knife net 410 and the second knife net 420 can be realized, so that the elastic floating of all parts of the shaving surface is enhanced, and different movable knife sets are better matched with the knife net components.

An embodiment of the second aspect of the present invention discloses a shaver, as shown in fig. 17, comprising: the tool bit floating mechanism comprises a machine body 700, a driving mechanism 800 and the tool bit floating mechanism as any one of the above parts, wherein the driving mechanism 800 is arranged in the machine body 700, and one end of the tool bit floating mechanism is connected with a rotating shaft of the driving mechanism 800.

The shaver is provided with the shaver head floating mechanism, so that the shaving area is increased, and meanwhile, different movable cutter groups and different cutter nets can be independently and elastically floated, so that cutting surfaces between the different movable cutter groups and the different cutter nets are matched more closely, and the shaving effect is better.

The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.

The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the utility model. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.

Claims (10)

1. A tool bit floatation mechanism, comprising:

the movable knife assembly (100) comprises a first movable knife group (110) and a second movable knife group (120), and the first movable knife group (110) is arranged on the inner side of the second movable knife group (120);

the transmission assembly (200) at least comprises a first transmission piece (210), a second transmission piece (220) and a third transmission piece (230), the third transmission piece (230) is respectively connected with the first transmission piece (210) and the second transmission piece (220), and the first transmission piece (210) and the second transmission piece (220) are respectively connected with the first movable cutter group (110) and the second movable cutter group (120);

The elastic assembly (300) comprises a first elastic piece (310) and a second elastic piece (320), two ends of the first elastic piece (310) respectively abut against the first transmission piece (210) and the third transmission piece (230), and two ends of the second elastic piece (320) respectively abut against the second transmission piece (220) and the third transmission piece (230);

the knife net assembly (400), the knife net assembly (400) includes a first knife net (410) and a second knife net (420), the second knife net (420) is disposed outside the first knife net (410), a first accommodating groove (4101) and a second accommodating groove (4201) are respectively disposed on the first knife net (410) and the second knife net (420), and at least a portion of the first movable knife group (110) and a portion of the second movable knife group (120) are respectively disposed in the first accommodating groove (4101) and the second accommodating groove (4201).

2. A tool bit floating mechanism according to claim 1, further comprising a support member (500), the third transmission member (230) being provided on the support member (500); and/or

The second transmission piece (220) is provided with a plurality of fourth limiting convex columns (2206), the fourth limiting convex columns (2206) are arranged at intervals of 90 degrees along the circumferential direction of the second transmission piece (220), and the second movable cutter group (120) is provided with third gaps (1201) corresponding to the fourth limiting convex columns (2206).

3. The cutter head floating mechanism according to claim 1, wherein a third accommodating groove (2301) is formed in the third transmission member (230), a third limiting through hole (2302) is formed in an inner wall of a groove bottom of the third accommodating groove (2301), the third limiting through hole (2302) is used for being connected with a rotating shaft of a driving device, the first elastic member (310) is disposed in the third accommodating groove (2301) and abuts against a groove bottom of the third accommodating groove (2301), and the first transmission member (210) is at least partially disposed in the third accommodating groove (2301) and abuts against the third limiting through hole (2302).

4. The floating mechanism for the cutter head according to claim 3, wherein a plurality of first limiting protruding columns (2303) are circumferentially arranged on the third accommodating groove (2301), the plurality of first limiting protruding columns (2303) are circumferentially arranged along the third accommodating groove (2301) at 90 ° intervals, the second transmission member (220) is provided with a fourth accommodating groove (2201), a groove wall of the fourth accommodating groove (2201) is provided with a first elongated limiting through hole (2202) corresponding to the first limiting protruding column (2303), and the third transmission member (230) is arranged in the fourth accommodating groove (2201) and is clamped in the first limiting through hole (2202) of the second transmission member (220) through the first limiting protruding column (2303).

5. The floating mechanism of cutter head according to claim 4, wherein the first transmission member (210) is provided with a plurality of second limiting convex columns (2105), the plurality of second limiting convex columns (2105) are arranged at intervals of 90 degrees along the circumferential direction of the first transmission member (210),

a through first limiting portion (2204) is further arranged on the top wall of the fourth accommodating groove (2201), a plurality of first notches (2205) corresponding to the second limiting protruding columns (2105) are formed in the first limiting portion (2204), the first transmission piece (210) penetrates through the first limiting portion (2204), and the first transmission piece (210) is clamped on the first notches (2205) of the first limiting portion (2204) through the second limiting protruding columns (2105) and slides on the first notches (2205).

6. The cutter head floating mechanism according to claim 3, wherein a second limiting portion (2304) is disposed at an opening of the third accommodating groove (2301), and one end of the second elastic member (320) is sleeved outside the second limiting portion (2304) and abuts against the second limiting portion (2304); and/or

A plurality of second notches (2305) are arranged on the wall of the third accommodating groove (2301).

7. The tool bit floating mechanism according to claim 2, wherein at least two first limiting blocks (2101) are disposed on a side of the first transmission member (210) abutting against the first elastic member (310), the at least two first limiting blocks (2101) are disposed opposite to each other, and one end of the first elastic member (310) away from the third transmission member (230) is received in a cavity (2102) defined by the at least two first limiting blocks (2101).

8. The cutter head floating mechanism according to claim 2, further comprising a forward and reverse rotation mechanism (600), wherein the forward and reverse rotation mechanism (600) is disposed on the supporting member (500), the forward and reverse rotation mechanism (600) at least comprises a fourth transmission member (610), a fifth transmission member (620) and a sixth transmission member (630), the fourth transmission member (610) is disposed on the supporting member (500), one end of the sixth transmission member (630) is connected with the fifth transmission member (620), the other end of the sixth transmission member is used for being connected with the cutter net assembly (400), the elastic assembly (300) further comprises a third elastic member (330), one end of the third elastic member (330) abuts against the fourth transmission member (610), and the other end abuts against the fifth transmission member (620).

9. The cutter head floating mechanism according to claim 8, wherein the fourth transmission (610) comprises a fourth transmission body (6102) and a third limiting portion (6101) provided on the fourth transmission body (6102), the third elastic element (330) is partially sleeved outside the third limiting portion (6101), a second elongated limiting through hole (6103) is also arranged on the third limiting part (6101), the fifth transmission piece (620) is provided with a through hole (6201), the inner wall of the through hole (6201) is provided with a third limiting convex column (6202), the fifth transmission piece (620) is sleeved outside the third limiting portion (6101), the fifth transmission piece (620) is clamped with the second limiting through hole (6103) through the third limiting convex column (6202), the third limiting convex column (6202) can slide on the second limiting through hole (6103); and/or

The fifth transmission element (620) comprises a fifth transmission element body (6204), a first meshing tooth (6203) is arranged on the fifth transmission element body (6204), the sixth transmission element (630) comprises a sixth transmission element body (6302), a second meshing tooth (6301) matched with the first meshing tooth (6203) is arranged on the sixth transmission element body (6302), and the fifth transmission element (620) is meshed with the sixth transmission element (630) through the first meshing tooth (6203) and the second meshing tooth (6301); and/or

The knife net component (400) further comprises a limiting structure (430) and a fixing piece (440), the first knife net (410) and the second knife net (420) are respectively connected with the limiting structure (430), the first knife net (410) and the second knife net (420) can respectively and independently rotate, the second knife net (420) is connected with the sixth transmission piece (630),

the elastic assembly (300) further comprises a fourth elastic element (340), the fixing element (440) is connected with the limiting structure (430), and the fourth elastic element (340) is arranged between the first blade net (410) and the fixing element (440) and is abutted against the first blade net (410) and the fixing element (440).

10. A shaving razor, comprising: fuselage (700), actuating mechanism (800) and the tool bit relocation mechanism of any one of claims 1-9, actuating mechanism (800) sets up in fuselage (700), tool bit relocation mechanism one end with actuating mechanism (800)'s pivot is connected.

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