CN215202086U

CN215202086U - Tool bit subassembly of razor

Info

Publication number: CN215202086U
Application number: CN202121127937.7U
Authority: CN
Inventors: 娄卫红
Original assignee: Ningbo Weiqi Electric Appliance Co ltd
Current assignee: Ningbo Weiqi Electric Appliance Co ltd
Priority date: 2021-05-24
Filing date: 2021-05-24
Publication date: 2021-12-17
Anticipated expiration: 2031-05-24

Abstract

A cutter head assembly of a shaver comprises a rotary disc (1) and at least two blades (2), wherein mounting holes are formed in the rotary disc (1) at intervals along the circumferential direction, each blade (2) can be movably inserted into the corresponding mounting hole, the head of each blade (2) is exposed out of a first disc surface of the rotary disc, the tail of each blade (2) is exposed out of a second disc surface of the rotary disc, and a through hole (23) is formed in the tail of each blade (2); the blade support is characterized by further comprising a first elastic sheet (3) and a second elastic sheet (4), wherein the first elastic sheet (3) acts on the tail portion of each blade (2) to enable the blades (2) to have a trend of moving towards the head portion direction all the time, the second elastic sheet (4) is inserted into through holes (23) of the blades to support the blades (2) and enable the blades to have a trend of moving towards the tail portion direction all the time, and the first elastic sheet (3) and the second elastic sheet (4) are integrally connected and limited on a second disc surface (12) of the turntable (1). Compared with the prior art, this application can realize that blade elasticity is floated.

Description

Tool bit subassembly of razor

Technical Field

The utility model belongs to the technical field of clipper, concretely relates to tool bit subassembly of razor.

Background

In the prior rotary shaver, in order to realize better veneering effect during shaving, a floating cutter head structure is additionally arranged, such as the structure disclosed in the patent application with application number CN200710071018.0 for the cutting head device of rotary shaver (application publication number CN101372102A), at least one group of rotary cutter heads is arranged on a cutter head bracket, the rotary cutter heads comprise a cutter mesh, a cutter mesh seat for installing the cutter mesh and a rotary internal cutter matched with the cutter mesh for working, a sliding chute and sliding block mechanism is arranged on the contact matching surface of the cutter head bracket and the cutter mesh seat, the matching surface of one side of the cutter head support is provided with two opposite upper and lower sliding grooves, the matching surface of one side of the cutter mesh seat is provided with two sliding lugs corresponding to the upper and lower sliding grooves of the cutter head support, the sliding lugs of the cutter mesh seat are correspondingly arranged in the upper and lower sliding grooves of the cutter head support, the width of the upper and lower sliding grooves is consistent with that of the sliding lugs, and the height of the upper and lower sliding grooves is greater than that of the sliding lugs. This application has realized through the lug that slides and upper and lower spout matched with structural style that knife net seat and tool bit support are abundant to float and swing, has promoted the wainscot effect when shaving.

Still like the utility model patent of utility model patent application No. CN 201721389302.8's tool bit subassembly and electric shaver of electric shaver (the publication number of authorizing is CN207578462U) discloses structure, this tool bit subassembly contains the skull sword net that from top to bottom connects gradually, moves cutter piece and knife rest, the knife rest includes base and floating collar arm, floating collar arm with the base part is connected, the sword net reaches to move the cutter piece install in on the floating collar arm. Therefore, the knife net and the movable knife part can elastically move up and down under the action of external force, the knife net and the movable knife part can be conveniently clamped and assembled, and the floating resilience can improve the use feeling of a user.

The movable cutter in the existing rotary shaver mostly comprises a turntable which can rotate under the drive of power parts such as a motor and the like and a blade arranged on the turntable, and in order to realize the floating of the movable cutter, the method comprises the following steps: 1. the turntable is arranged in a floating manner to drive the blade to float; 2. only the blades are arranged on the turntable in a floatable manner. The mounting manner of the blade in the above-mentioned method 2 and how to stably realize the elastic floating of the blade are important.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem that to prior art's current situation, provide a can realize the unsteady tool bit subassembly of razor of blade elasticity.

The utility model provides a technical scheme that above-mentioned technical problem adopted does: a tool bit subassembly of razor, includes carousel and two at least blades, its characterized in that: the turntable is provided with at least two mounting holes at intervals along the circumferential direction, each blade can be movably inserted into the corresponding mounting hole, the head of each blade is exposed out of the first disc surface of the turntable, the tail of each blade is exposed out of the second disc surface of the turntable opposite to the first disc surface, and the tail of each blade is provided with a through hole; the blade positioning device is characterized by further comprising a first elastic sheet and a second elastic sheet, wherein the first elastic sheet acts on the tail portion of each blade to enable the blades to always have a trend of moving towards the head portion direction, the second elastic sheet is inserted into the through holes of the blades to support the blades and enable the blades to always have a trend of moving towards the tail portion direction, and the first elastic sheet and the second elastic sheet are integrally connected and limited on the second disc surface of the turntable.

Further, the first elastic sheet acts on the end face of the tail part of each blade.

Preferably, the second elastic sheet is inserted into the through hole from the first surface of the blade, the first elastic sheet is in a C shape with an opening, two ends of the first elastic sheet act on the end surface of the tail part of each blade, and the opening of the first elastic sheet corresponds to the second surface of each blade opposite to the first surface.

In order to improve the structural stability, preferably, the longitudinal section of each blade tail is in a convex shape, and two ends of the first elastic sheet respectively act on the end surfaces of two convex sides of the blade.

Further preferably, the first elastic sheet and the second elastic sheet are integrally connected and form an annular piece which is flat in the axial direction, and the first elastic sheet and the second elastic sheet are alternately distributed along the circumferential direction of the annular piece.

In each scheme, the cutter mesh cover is provided with a mesh hole, the cutter mesh cover is arranged on the outer side of the first disc surface of the rotary disc, the cutter mesh cover can move along the axial direction of the rotary disc under the action of external force to drive the blade to move towards the tail part, and after the external force disappears, the cutter mesh cover moves along with the blade in the reverse direction under the action of the first elastic sheet.

Preferably, the knife net cover comprises a cylindrical support and a net surface which is arranged at one end of the support and is provided with the meshes, and the outer wall of the support is provided with a guide groove which extends axially; the shaver is characterized by further comprising an annular frame used for being connected with a shell of the shaver, the annular frame is sleeved on the periphery of the support, and the inner wall of the annular frame is provided with a convex strip matched with the guide groove.

Compared with the prior art, the utility model has the advantages of: the blade is inserted into the mounting hole of the turntable, the head and the tail of the blade are exposed out of the mounting hole, the tail of the blade is provided with a through hole, and a first elastic sheet and a second elastic sheet which are integrally connected are arranged, the first elastic sheet enables the blade to always have a trend of moving towards the head, and the second elastic sheet supports the blade and enables the blade to always have a trend of moving towards the tail, so that when the head of the blade is subjected to external force, the blade can overcome the action of the first elastic sheet to move towards the tail, and after the external force disappears, the blade can move towards the head under the action of the first elastic sheet to realize resetting; after the external force disappears, the second elastic sheet can maintain the balance of the blade so that the blade is restrained in the mounting hole; furthermore, this application can realize that blade elasticity floats, and this application simple structure is convenient for implement simultaneously.

Drawings

Fig. 1 is a schematic structural diagram of an embodiment of the present invention;

fig. 2 is a schematic structural diagram of another view angle according to an embodiment of the present invention;

fig. 3 is an exploded perspective view of an embodiment of the present invention;

fig. 4 is an enlarged view of a portion a in fig. 2.

Detailed Description

The present invention will be described in further detail with reference to the following embodiments.

As shown in fig. 1-4, for a preferred embodiment of a shaving head assembly of a shaver of the present invention, the shaving head assembly includes a rotary plate 1, a blade 2, a first elastic sheet 3, a second elastic sheet 4, a knife net cover 5, and an annular frame 6.

Wherein, a plurality of mounting holes 10 for mounting the blade 2 are arranged on the turntable 1 at intervals along the circumferential direction. And the center of the rotary table 1 is provided with a structure for connecting the output ends of power parts such as a motor and the like. In this way, the turntable 1 can be driven by the power member to rotate.

The plurality of blades 2 are movably inserted into the corresponding mounting holes 10, a head portion 21 of each blade 2 is exposed out of a first disc surface 11 of the turntable 1, and a tail portion 22 of each blade 2 is exposed out of a second disc surface 12 of the turntable 1 opposite to the first disc surface 11. In this embodiment, the longitudinal section of each blade tail 22 is convex with a protrusion 221, and the center of the blade tail 2 is provided with a through hole 23.

The first elastic sheets 3 are provided with a plurality of first elastic sheets and respectively act on the tail parts 22 of the blades 2 so that the blades 2 always have the tendency of moving towards the head parts 21. In this embodiment, each first elastic sheet 3 is C-shaped with an opening, two ends of the first elastic sheet 3 act on two end surfaces of the protrusion 221 of each blade 2, and the opening of the first elastic sheet 3 is disposed corresponding to the second surface 2b of the blade 2.

The second elastic sheets 4 are respectively inserted into the through holes 23 of the blades 2 to support the blades 2 and make the blades 2 always have the tendency of moving towards the tail part 22. In this embodiment, the second resilient piece 4 is inserted into the through hole 23 from the first surface 2a of the blade 2 opposite to the second surface 2 b. And the thickness of the second elastic sheet 4 is smaller than the aperture of the through hole 23 in the thickness direction of the second elastic sheet.

In this embodiment, the first elastic sheet 3 and the second elastic sheet 4 are integrally connected to each other and form an annular member that is flat in the axial direction, and the first elastic sheet 3 and the second elastic sheet 4 are alternately distributed along the circumferential direction of the annular member. And the ring-shaped member is limited on the second disc surface 12 of the turntable 1. The shape and the size of the annular part are matched with those of the second disc surface 12 of the rotary disc.

The knife net cover 5 has meshes 50, and is disposed outside the first disk surface 11 of the rotary disk 1, and the knife net cover 5 can move along the axial direction of the rotary disk 1 under the action of external force to drive the blade 2 to move towards the tail portion 22, and after the external force disappears, the knife net cover 5 moves along with the blade 2 in the opposite direction under the action of the first elastic sheet 3. The specific structure of the knife net cover 5 in this embodiment is: the knife net cover 5 comprises a cylindrical bracket 51 and a net surface 52 which is arranged at one end of the bracket 51 and is provided with the mesh 50, and the outer wall of the bracket 51 is provided with a guide groove 511 which extends axially. Meanwhile, the annular frame 6 is used for supporting the knife net cover 5, the annular frame 6 is sleeved on the periphery of the support 51, and the inner wall of the annular frame 6 is provided with a convex strip 61 matched with the guide groove 511. In this way, when the net surface 52 is acted by external force, the bracket 51 connected with the net surface 52 can move along the axial direction of the annular frame 6, so as to drive the blade 2 to move, and the matching of the convex strip 61 and the guide groove 511 can limit the moving direction of the knife net cover 5.

Claims

1. A shaving head assembly for a shaver comprising a turntable (1) and at least two blades (2), characterized in that: the rotary table is characterized in that at least two mounting holes (10) are formed in the rotary table (1) at intervals along the circumferential direction, each blade (2) can be movably inserted into the corresponding mounting hole (10), the head (21) of each blade (2) is exposed out of a first disc surface (11) of the rotary table (1), the tail (22) of each blade (2) is exposed out of a second disc surface (12) of the rotary table (1) opposite to the first disc surface (11), and the tail (22) of each blade (2) is provided with a through hole (23); the blade fixing device is characterized by further comprising a first elastic sheet (3) and a second elastic sheet (4), wherein the first elastic sheet (3) acts on the tail portion (22) of each blade (2) to enable the blades (2) to have a trend of moving towards the direction of the head portion (21) all the time, the second elastic sheet (4) is inserted into through holes (23) of the blades (2) to support the blades (2) and enable the blades to have a trend of moving towards the direction of the tail portion (22) all the time, and the first elastic sheet (3) and the second elastic sheet (4) are integrally connected and limited on a second disk face (12) of the turntable (1).

2. The cutter head assembly of claim 1 wherein: the first elastic sheet (3) acts on the end face of the tail part (22) of each blade (2).

3. The cutter head assembly of claim 2 wherein: the second elastic sheet (4) is inserted into the through hole (23) from the first surface of the blade (2), the first elastic sheet (3) is C-shaped with an opening, two ends of the first elastic sheet (3) are both acted on the end surface of the tail part (22) of each blade (2), and the opening of the first elastic sheet (3) corresponds to the second surface, opposite to the first surface, of each blade (2).

4. The cutter head assembly of claim 3 wherein: the longitudinal section of the tail part (22) of each blade (2) is in a convex shape with a bulge (221), and two ends of the first elastic sheet (3) respectively act on the end surfaces of two sides of the bulge (221) of the blade (2).

5. The cutter head assembly of claim 4 wherein: the first elastic sheet (3) and the second elastic sheet (4) are integrally connected and form an annular piece which is flat in the axial direction, and the first elastic sheet (3) and the second elastic sheet (4) are alternately distributed along the circumferential direction of the annular piece.

6. The cutter head assembly of any one of claims 1 to 5 wherein: still including having sword net cover (5) of mesh (50), this sword net cover (5) are located the outside of first quotation (11) of above-mentioned carousel (1), and this sword net cover (5) can drive blade (2) and remove to afterbody (22) direction along the axial displacement of carousel (1) under the exogenic action, treat that the exogenic action disappears after, this sword net cover (5) along with blade (2) antiport under the effect of first shell fragment (3).

7. The cutter head assembly of claim 6 wherein: the knife net cover (5) comprises a cylindrical support (51) and a net surface (52) which is arranged at one end of the support (51) and is provided with the meshes (50), and the outer wall of the support (51) is provided with a guide groove (511) which extends axially; the shaver is characterized by further comprising an annular frame (6) connected with a shell of the shaver, the annular frame (6) is sleeved on the periphery of the support (51), and a convex strip (61) matched with the guide groove (511) is arranged on the inner wall of the annular frame (6).