CN207710835U - A kind of blade axle bed and flat cutter head - Google Patents

Abstract

A kind of blade axle bed and flat cutter head, blade axle bed includes blade bearing, movable axis, cylinder and spring, the shape of blade bearing and movable axis is cylinder, one end of blade bearing is equipped with opening, one end of movable axis is located in blade bearing, the other end is located at the outside of blade bearing, spring is between blade bearing and movable axis, cylinder is set on end face of the movable axis far from blade bearing, and the circumference of cylinder is equipped with tooth socket, the inner wall of blade bearing is equipped with the hook of several protrusions, driving member is offered in the outer circumferential walls of movable axis, and movable axis is equipped with the limited block of protrusion towards one end of blade bearing in groove, the hook of blade bearing is located in the groove of movable axis.Such stabilized structure, floating variation range is big, can be bonded skin, and length and small volume well.

Description

A kind of blade axle bed and flat cutter head

Technical field

The utility model is related to razor field, especially a kind of blade axle bed and flat cutter head.

Background technology

Electric shaver is made of stainless steel guard, inner blade, micromotor and shell.Guard, that is, fixed outer knife Piece, above there are many eyelet, beard can stretch into hole, and micromotor leans on electrical energy drive, drive inner blade action, using cutting Principle is cut, the beard stretched into hole is cut off.

Existing shaver is long segment design, that is, drives the transmission device of blade rotation longer.Such as Chinese patent Shaver disclosed in CN200480018064.9, drive shaft 125 is very long, and lower end is driven by motor and gear, upper end and knife Piece connects.The shaver length of such long segment design is longer, and volume is larger, due to its too long drivable knife number of length It is limited, it can not shave in large area.In addition, it is also a design challenges that the blade of the razor tool tip of large area, which floats,.Separately Very built on the sand, stabilizer blade is easily broken off, and floating variation range is small, cannot be pasted well for the design of outer existing blade axle bed Close skin.

Utility model content

In view of this, the utility model provides a kind of stabilized structure, floating variation range is big, can split leather well Skin, and the blade axle bed and flat cutter head of length and small volume, to solve the above problems.

The shape of a kind of blade axle bed, including blade bearing, movable axis, cylinder and spring, the blade bearing and movable axis is equal One end for cylinder, the blade bearing is equipped with opening, and the spring is located in the opening of blade bearing, one end of the movable axis In blade bearing, the other end is located at the outside of blade bearing, and between blade bearing and movable axis, the cylinder is set the spring It is placed on end face of the movable axis far from blade bearing, and the circumference of cylinder is equipped with tooth socket, the inner wall of the blade bearing is equipped with several The hook of protrusion, offers driving member in the outer circumferential walls of the movable axis, and movable axis towards one end of blade bearing in groove Limited block of the place equipped with protrusion, the hook of the blade bearing are located in the groove of movable axis.

Further, the upper end of the hook of the blade bearing is equipped with inclined-plane.

Further, the hook of the blade bearing has first slope far from the inner wall that blade bearing is open, and described first tiltedly The distance of central shaft of the slope apart from blade bearing is tapered into along close to blade bearing opening direction, the bottom wall of the groove of the movable axis With the second slope, the distance of central shaft of second slope apart from movable axis is tapered into along the direction close to cylinder.

Further, one end of the movable axis towards blade bearing offers several bar-shaped troughs.

Further, the quantity of the hook and groove is three.

The utility model also provides a kind of flat cutter head, including pedestal, holder, at least one blade assembly, at least one A metal net mask, a driving gear, at least one driven gear and at least one case, the holder are located on pedestal, institute It states blade assembly to be located on holder, the metal net mask covers blade assembly, and through-hole, the metal mesh are offered on the case The through-hole across case is covered, driving gear is engaged with driven gear, and driven gear is also engaged with blade assembly, the holder packet It includes quiet holder, dynamic holder and lifts shrapnel, the dynamic holder is flexibly connected with quiet holder, and the end for lifting shrapnel is located at dynamic The lower section of holder, the blade assembly include blade, blade bearing, movable axis, cylinder and spring, the blade bearing and movable axis Shape is cylinder, and one end of blade bearing is equipped with opening, and the blade is set to one end that opening is not provided on blade bearing, institute The one end for stating movable axis is located in blade bearing, and the other end is located at the outside of blade bearing, and the spring is located at blade bearing and movable axis Between, the cylinder is set to end face of the movable axis far from blade bearing, and the circumference of cylinder be equipped with a circle tooth socket to it is driven Gear engages, and the blade assembly includes that blade and blade axle bed as described above, the blade are set to the blade bearing not One end equipped with opening.

Further, the quiet holder upper edge is radially provided with two supporting blocks, and the second groove is offered in supporting block, described Dynamic holder is radially set there are two stabilizer blade outstanding, and stabilizer blade is located in the second groove of quiet holder.

Further, third groove, third are locally offered on two opposite inner walls in the second groove of the quiet holder The width of groove is more than the width of the second groove, and the lower end both sides of the stabilizer blade of the dynamic holder extend outwardly towards width direction to be equipped with The convex block of convex block, the stabilizer blade is located in the third groove of quiet holder.

Further, the first end for lifting shrapnel is fixedly connected with quiet holder, and second end is in certain with first end Angle is set up, and the second end for lifting shrapnel is located at the lower section of dynamic holder.

Further, the blade has blade chassis, several outer ring blades and several inner ring blades, the blade chassis Shape be circle, and its middle part offer through-hole, blade chassis is sheathed on blade bearing and is fixedly connected with blade bearing, several Outer ring blade is set to the side that blade chassis is open far from blade bearing, and the circumferentially angular interval at place on blade chassis Setting or an angular interval setting along blade chassis, several inner ring blades are set to what blade chassis was open far from blade bearing Side, and an angular interval setting along blade chassis, the outer diameter of the annulus where the inner ring blade are less than outer ring blade The internal diameter of the annulus at place.

Compared with prior art, the blade axle bed of the utility model and flat cutter head have stabilized structure, variation of floating Range is big, can be bonded skin, and the advantage of length and small volume well.

Description of the drawings

The embodiments of the present invention are described below in conjunction with attached drawing, wherein：

Fig. 1 is the stereoscopic schematic diagram of flat cutter head provided by the utility model.

Fig. 2 is the enlarged diagram of C portion in Fig. 1.

Fig. 3 is the stereoscopic schematic diagram of the holder in Fig. 1.

Fig. 4 is the enlarged diagram of the parts G in Fig. 3.

Fig. 5 is schematic diagram when the dynamic holder of Fig. 4 is detached with quiet holder.

Fig. 6 is the stereoscopic schematic diagram of blade assembly in Fig. 1.

Fig. 7 is the exploded perspective view of blade assembly in Fig. 1.

Specific implementation mode

Specific embodiment of the utility model is further elaborated below based on attached drawing.It should be understood that The explanation of the utility model embodiment is not used to herein to limit the scope of protection of the utility model.

Referring to FIG. 1, it is a kind of flat cutter head provided by the utility model, including pedestal 10, holder 20, at least 4 A blade assembly 30,40,1 driving 50,4 driven gear (not shown) of gear of at least four metal net mask and 4 case (figures Do not show).

Holder 20 is located on pedestal 10, and blade assembly 30 is located on holder 20, and metal net mask 40 covers blade assembly 30, drives Moving gear 50 and driven gear are set to the lower section of holder 20, or are set to side of the pedestal 10 far from holder 20, i.e. lower section. 50,4 driven gears of output axis connection sliding tooth wheel of external motor are engaged with driving gear 50 respectively, 4 driven gears It is engaged respectively with blade assembly 30 simultaneously.Through-hole is offered on case, is passed through for metal net mask 40, and case covers metal net mask 40 The region on periphery, and adjacent case flexible connection so that each blade assembly 30, corresponding metal net mask 40 and case can be single Solely deformation, more adapts to skin.Blade assembly 30 has blade 31.

When work, motor driving driving gear 50 drives four driven gear rotations, to drive 30 turns of blade assembly Dynamic, the blade 31 of blade assembly 30 rotates, and interacts with metal net mask 40, to which cut-out enters the hair of metal net mask 40 Hair.

In Fig. 1, section A, B, C, D being divided by dotted line E-E and F-F, wherein section A is state when removing case, Interval B is state when removing case and metal net mask 40, and section C is shape when further removing the blade 31 of blade assembly 30 State, section D are state when further removing blade assembly 30.On pedestal 10 position section A, B, C, D adjacent to each other also Equipped with the snap device 11 snapped connection with case.

Referring to FIG. 2, holder 20 includes quiet holder 21, dynamic holder 22 and lifts shrapnel 23.Quiet holder 21 is in each section Inside substantially ring-like, it is also substantially ring-like to move holder 22, dynamic holder 22 be located in cricoid quiet holder 21 and with quiet holder 21 Flexible connection.The end for lifting shrapnel 23 is located at the lower section of dynamic holder 22 so that dynamic holder 22 has first on quiet holder 21 Domain of walker can move down a certain distance after 22 stress of dynamic holder on quiet holder 21；After stress disappears, shrapnel 23 is being lifted Resilient support under, dynamic holder 22 can move up initial position on quiet holder 21.

Snap device 11 has buckle block 111, buckles and offers the first groove 112 on block 111, is set in the first groove 112 There is movable block 113, spring 114 is equipped between movable block 113 and 112 bottom of the first groove for buckling block 111.Case corresponding position Equipped with the first hook, the first hook can abut movable block 113 and overcome the elastic force of spring 114, and movable block 113 crosses first later Hook, realization pedestal 10 are snapped connection with case.

It please refers to Fig.3 and Fig. 4,21 upper edge of quiet holder is radially provided with two supporting blocks 211, is offered in supporting block 211 Two grooves 212, dynamic holder 22 are radially set there are two stabilizer blade 221 outstanding, and stabilizer blade 221 is located at the second groove of quiet holder 21 In 212.

Referring to FIG. 5, third groove 213 is locally offered on two opposite inner walls of the second groove 212 of quiet holder 21, The width of third groove 213 is more than the width of the second groove 212.

The lower end both sides of the stabilizer blade 221 of dynamic holder 22 extend outwardly towards width direction equipped with convex block 223, stabilizer blade 221 it is convex Block 223 is located in the third groove 213 of quiet holder 21.The upper end of the stabilizer blade 221 of dynamic holder 22 is equipped with card slot 222, for holding Metal net mask 40.

The first end for lifting shrapnel 23 is fixedly connected with quiet holder 21, second end with first end is at an angle sets upwards The second end set, i.e., tilted obliquely, and lift shrapnel 23 is located at the lower section of dynamic holder 22.Blade assembly 30 is located at dynamic holder 22 On.

Quiet holder 21, dynamic holder 22 and lift shrapnel 23 this structure make blade assembly 30 with after skin contact, can Certain angle is overturn along convex block 223, changes correspondingly angle, meets the shaving demand of different angle.Simultaneously blade assembly 30 and Dynamic holder 22 can have the first domain of walker on quiet holder 21, avoid with skin rigid contact and damage skin.

Fig. 6 and Fig. 7 is please referred to, blade assembly 30 includes blade 31 and blade axle bed, and blade axle bed includes blade bearing 32, lives Moving axis 33, cylinder 34 and spring 35.The shape of blade bearing 32 and movable axis 33 is cylinder, and one end of blade bearing 32, which is equipped with, opens Mouthful.Blade 31 is set to the circumference that blade bearing 32 is not provided with one end of opening.Spring 35 is located in blade bearing 32, movable axis 33 One end is located in blade bearing 32, and the other end is located at the outside of blade bearing 32.Spring 35 is between blade bearing 32 and movable axis 33. Cylinder 34 is set to end face of the movable axis 33 far from blade bearing 32, and the circumference of cylinder 34 is equipped with driving member, is such as distributed in a circle Several tooth sockets 342, to be engaged with driven gear.

Blade 31 has blade chassis 311, several outer ring blades 212 and several inner ring blades 213.Blade chassis 311 Shape is circle, and middle part offers through-hole, and blade chassis 311 is sheathed on blade bearing 32 and is fixedly connected with blade bearing 32. Several outer ring blades 212 are set to the side that blade chassis 311 is open far from blade bearing 32, and justify in 311 upper edge of blade chassis Angular interval setting where all or an angular interval setting along blade chassis 311.Several inner ring blades 213 are also disposed on The side that blade chassis 311 is open far from blade bearing 32, an angular interval setting, inner ring blade along blade chassis 311 The outer diameter of annulus where 213 is less than the internal diameter of the annulus where outer ring blade 212.

The inner wall of blade bearing 32 is equipped with the second hook 322 of several protrusions, and the upper end of the second hook 322 is equipped with tiltedly Face 324 so that movable axis can slide when installing along inclined-plane 324, reduce installation difficulty.Second hook 322 is far from blade bearing 32 The inner wall of opening has first slope 326, and the distance of central shaft of the first slope 326 apart from blade bearing 32 is along close to blade bearing 32 Opening direction tapers into.

Offer several 4th grooves 332 in the outer circumferential walls of movable axis 33, movable axis 33 is towards one end of blade bearing 32 The limited block 334 of protrusion is equipped at the 4th groove 332, the bottom wall of the 4th groove 332 has the second slope 336, the second slope The distance of 336 central shaft apart from movable axis 33 is tapered into along close to the direction of cylinder 34.

Second hook 322 of blade bearing 32 is located in the 4th groove 332 of movable axis 33.

One end of movable axis 33 towards blade bearing 32 offers several bar-shaped troughs 338, and movable axis 33 is being installed to blade When in seat 32, or when fractionation movable axis 33 and blade bearing 32, movable axis 33 can generate centainly towards one end of blade bearing 32 Contraction deformation, to overcome the resistance of the second hook 322.

In present embodiment, the quantity of the second hook 322, the 4th groove 332 and bar-shaped trough 338 is three.

Such movable axis 33 and 31 elastic connection of blade bearing 32 and blade so that blade bearing 32 and blade 31 have second to float Dynamic range, further decreases the rigid contact of blade 31 and metal net mask 40 and skin, further avoids skin injury.While by Presence in first slope 326 and the second slope 336, relative angle changes bigger between movable axis 33 and blade bearing 32, adapts to The angle of skin more light and not easily to fall off between movable axis 33 and blade bearing 32.In addition, since the second hook 322 is set to blade On the inner wall of seat 32, the second hook 322 is not easily broken, and movable axis 33 is hardly damaged.The length of movable axis 33 and cylinder 34 can be bright It is aobvious to reduce so that entire flat cutter head length reduces, and volume reduces.

Compared with prior art, the blade axle bed of the utility model is located at by one end of movable axis 33 in blade bearing 32, The other end is located at the outside of blade bearing 32, and spring 35 is between blade bearing 32 and movable axis 33, the second hook of blade bearing 32 322 are located in the 4th groove 332 of movable axis 33, have stabilized structure, and floating variation range is big, can be bonded skin well, And the advantage of length and small volume.The flat cutter head of the utility model by blade assembly 30 by being set to dynamic holder 22 On, dynamic holder 22 is movably set in quiet holder 21, and the one end for lifting shrapnel 23 is located at the lower section of dynamic holder 22, blade assembly 30 with Driven gear engages, and driven gear is also engaged with driving gear 50, drives driving gear 50 to work by motor so that flat Cutter head is generally flat, length is small, it is small and have good floating effect.

The preferred embodiment that these are only the utility model is not used to limitation the scope of protection of the utility model, any Modification, equivalent replacement or improvement within the spirit of the present invention etc. are all covered in the right of the utility model.

Claims (10)

1. a kind of blade axle bed, it is characterised in that：The blade axle bed includes blade bearing, movable axis, cylinder and spring, the knife Tablet seat and the shape of movable axis are cylinder, and one end of the blade bearing is equipped with opening, and the spring is located at opening for blade bearing In mouthful, one end of the movable axis is located in blade bearing, and the other end is located at the outside of blade bearing, the spring be located at blade bearing and Between movable axis, the cylinder is set on end face of the movable axis far from blade bearing, and the circumference of cylinder is equipped with tooth socket, the knife The inner wall of tablet seat is equipped with the hook of several protrusions, and driving member, and movable axis court are offered in the outer circumferential walls of the movable axis The limited block of protrusion is equipped in groove to one end of blade bearing, the hook of the blade bearing is located in the groove of movable axis.

2. blade axle bed as described in claim 1, it is characterised in that：The upper end of the hook of the blade bearing is equipped with oblique Face.

3. blade axle bed as described in claim 1, it is characterised in that：The hook of the blade bearing is far from blade bearing opening There is wall first slope, the distance of central shaft of the first slope apart from blade bearing gradually to become along close to blade bearing opening direction Small, the bottom wall of the groove of the movable axis has the second slope, the distance edge of central shaft of second slope apart from movable axis It is tapered into close to the direction of cylinder.

4. blade axle bed as described in claim 1, it is characterised in that：If one end of the movable axis towards blade bearing offers Dry bar-shaped trough.

5. blade axle bed as described in claim 1, it is characterised in that：The quantity of the hook and groove is three.

6. a kind of flat cutter head, it is characterised in that：Including pedestal, holder, at least one blade assembly, at least one metal mesh Cover, a driving gear, at least one driven gear and at least one case, the holder are located on pedestal, the set of blades Part is located on holder, and the metal net mask covers blade assembly, and through-hole is offered on the case, and the metal net mask passes through cover The through-hole of shell, driving gear are engaged with driven gear, and driven gear is also engaged with blade assembly, and the holder includes quiet branch Frame moves holder and lifts shrapnel, and the dynamic holder is flexibly connected with quiet holder, and the end for lifting shrapnel is located at dynamic holder Lower section, the blade assembly include blade, blade bearing, movable axis, cylinder and spring, and the shape of the blade bearing and movable axis is equal One end for cylinder, blade bearing is equipped with opening, and the blade is set to one end that opening is not provided on blade bearing, the activity One end of axis is located in blade bearing, and the other end is located at the outside of blade bearing, and the spring is between blade bearing and movable axis, institute The cylinder end face far from blade bearing that is set to movable axis is stated, and the circumference of cylinder is equipped with a circle tooth socket to be nibbled with driven gear It closes, the blade assembly includes blade and blade axle bed as described in any one in claim 1-5, and the blade is set to described Blade bearing is not provided with one end of opening.

7. flat cutter head as claimed in claim 6, it is characterised in that：The quiet holder upper edge is radially provided with two supports Block offers the second groove in supporting block, and the dynamic holder is radially set there are two stabilizer blade outstanding, and stabilizer blade is located at quiet holder In second groove.

8. flat cutter head as claimed in claim 7, it is characterised in that：It is two opposite interior in second groove of the quiet holder Locally offer third groove on wall, the width of third groove is more than the width of the second groove, under the stabilizer blade of the dynamic holder End both sides extend outwardly towards width direction equipped with convex block, and the convex block of the stabilizer blade is located in the third groove of quiet holder.

9. flat cutter head as claimed in claim 6, it is characterised in that：The first end for lifting shrapnel is fixed with quiet holder Connection, second end are located at the lower section of dynamic holder with the second end that first end is at an angle to be set up, and lift shrapnel.

10. flat cutter head as claimed in claim 6, it is characterised in that：The blade has blade chassis, several outer ring knives The shape of piece and several inner ring blades, the blade chassis is circle, and its middle part offers through-hole, and blade chassis is sheathed on knife It being fixedly connected in tablet seat and with blade bearing, several outer ring blades are set to the side that blade chassis is open far from blade bearing, and The circumferentially angular interval setting or an angular interval setting along blade chassis at place, several inner ring blades on blade chassis It is set to the side that blade chassis is open far from blade bearing, and an angular interval setting along blade chassis, the inner ring knife The outer diameter of annulus where piece is less than the internal diameter of the annulus where the blade of outer ring.