CN111823283A

CN111823283A - Hair clipper

Info

Publication number: CN111823283A
Application number: CN202010767299.9A
Authority: CN
Inventors: 虞智勇; 韦明
Original assignee: Zhejiang Meisen Electrical Appliance Co Ltd
Current assignee: Zhejiang Meisen Electrical Appliance Co Ltd
Priority date: 2020-08-03
Filing date: 2020-08-03
Publication date: 2020-10-27

Abstract

A hair clipper. Mainly solves the problems that the prior hair clipper is easy to shake and has larger noise when rotating at high speed. The method is characterized in that: be equipped with articulated shaft (11) in the casing, be equipped with shaft hole (411) on the pendulum rod, the shaft hole inner wall is equipped with at least three contact surface (412), the contact surface with the articulated shaft outer wall is tangent. The invention provides a hair clipper, wherein at least three contact surfaces which are tangent to the outer wall of a hinged shaft are arranged in a shaft hole on a swing rod of the hair clipper, so that the surface contact is changed into point contact, the friction force is reduced, and the hair clipper is not easy to shake.

Description

Hair clipper

Technical Field

The invention relates to the field of daily necessities, in particular to a hair clipper.

Background

The hair clipper is an electric device which is very important in the existing hair cutting process, hair can be quickly and effectively cut off from the head of a person by using the hair clipper, and compared with a mode of adopting scissors, the work load of a hairdresser is greatly reduced, and the fatigue of the hairdresser in the hair cutting process is also reduced.

The oscillating bar of the hair clipper is only simply hinged with a rotating shaft at present, the contact surface of the oscillating bar is in surface contact, and the oscillating bar is easy to shake and has higher noise when rotating at high speed.

Disclosure of Invention

In order to overcome the defects of the background art, the invention provides a hair clipper, which mainly solves the problems that the existing hair clipper is easy to shake and has higher noise when rotating at high speed.

The specific implementation scheme of the invention is as follows:

the hair clipper comprises a shell, wherein a blade assembly used for shaving hair is arranged at the front end of the shell, a power source is arranged in the shell and drives the blade assembly to work through a transmission mechanism, the transmission mechanism comprises a swing rod, an articulated shaft is arranged in the shell, a shaft hole is formed in the swing rod, at least three contact surfaces are arranged on the inner wall of the shaft hole, and the contact surfaces are tangent to the outer wall of the articulated shaft.

The contact surface is a plane.

And the swing rod is also provided with a through hole relative to the shaft hole.

The blade subassembly includes sliding fit's movable blade and stationary blade, the power supply includes the output shaft, still includes the axle sleeve, be equipped with on the axle sleeve and be used for driving the gliding eccentric bar of movable blade, the pendulum rod rear end is equipped with the recess that is used for the eccentric bar to stretch into, the axle sleeve axial is equipped with and is used for motor shaft joint complex mounting hole, the output shaft outer wall is equipped with and runs through the groove, run through the groove with the mounting hole intercommunication.

The extending direction of the through groove is parallel to the extending direction of the mounting hole.

The casing includes tool bit and handle, be equipped with first connecting pipe on hand, be equipped with the second connecting pipe on the tool bit, second connecting pipe circumference outer wall is equipped with the spread groove, first connecting pipe is equipped with the shell fragment that can dismantle the connection, be equipped with the arch on the shell fragment, the second position of roll-off spread groove when protruding first position and the atress that stretch into in the spread groove.

Still be used for the axial direction to prevent the stop gear who falls out between first connecting pipe and the second connecting pipe, stop gear is including locating L shape groove on the second connecting pipe, first connecting pipe inner wall be equipped with L shape groove sliding fit's fixed block.

The L-shaped groove comprises a horizontal groove, and the connecting groove and the horizontal groove are oppositely arranged.

The handle comprises a first shell and a second shell which are detachably connected, one end of the first shell extends into the second shell and is internally provided with a connecting pipe, the circumferential outer wall of the connecting pipe is provided with an annular groove, a sealing ring made of elastic material is arranged in the annular groove, the sealing ring comprises a ring body and a skirt edge, one end of the skirt edge is connected with the ring body, and the other end of the skirt edge is outwards tilted and can be close to the ring body when being pressed; the ring body is in sealing fit with the annular groove, and the skirt edge is in sealing fit with the inner wall of the second shell.

The connecting pipe is provided with a connecting part used for being connected with the inner wall of the second shell, a clamping groove is formed between the skirt edge and the ring body, and the clamping groove corresponds to the connecting part.

The invention has the beneficial effects that: the invention provides a hair clipper, wherein at least three contact surfaces which are tangent to the outer wall of a hinged shaft are arranged in a shaft hole on a swing rod of the hair clipper, so that the surface contact is changed into point contact, the friction force is reduced, and the hair clipper is not easy to shake.

Drawings

Fig. 1 is a perspective view of an embodiment of the present invention.

Fig. 2 is an internal perspective view of an embodiment of the present invention.

Fig. 3 is a schematic perspective view of a swing link according to an embodiment of the present invention.

Fig. 4 is a schematic illustration of a partial explosion according to an embodiment of the present invention.

Fig. 5 is a schematic illustration of a partial explosion according to an embodiment of the present invention.

Fig. 6 is a partial perspective view of one embodiment of the present invention.

Fig. 7 is a partial perspective view of one embodiment of the present invention.

FIG. 8 is a schematic partial cross-sectional view of one embodiment of the present invention.

FIG. 9 is a schematic partial cross-sectional view of one embodiment of the present invention.

Detailed Description

The invention will be further described with reference to the accompanying drawings in which: as shown in the figures, the hair clipper comprises a shell 1, wherein a blade assembly 2 used for shaving hair is arranged at the front end of the shell, a power source 3 is arranged in the shell, the power source drives the blade assembly to work through a transmission mechanism, the transmission mechanism comprises a swing rod 41, an articulated shaft 11 is arranged in the shell, a shaft hole 411 is arranged on the swing rod, at least three contact surfaces 412 are arranged on the inner wall of the shaft hole, and the contact surfaces are tangent to the outer wall of the articulated shaft. The contact surface may be a plane or a curved surface, and the contact surface may be tangent to the outer wall of the hinge shaft, preferably, the interval angles between the adjacent contact surfaces may be the same,

the invention provides a hair clipper, wherein at least three contact surfaces which are tangent to the outer wall of a hinged shaft are arranged in a shaft hole on a swing rod of the hair clipper, so that the surface contact is changed into point contact, the friction force is reduced, and the hair clipper is not easy to shake.

In this embodiment, as shown, the contact surface is a flat surface.

In this embodiment, as shown in the figure, a through hole 413 is further formed on the swing rod opposite to the shaft hole. The swing rod is provided with a through groove relative to the shaft hole, so that certain deformation capacity of the shaft hole can be provided, and friction force is further reduced.

In this embodiment, as shown in the figure, the blade assembly includes a moving blade 21 and a stationary blade 22 which are in sliding fit, the power source includes an output shaft 31 and further includes a shaft sleeve 5, an eccentric rod 51 which is used for driving the moving blade to slide is arranged on the shaft sleeve, a groove 42 for the eccentric rod to extend into is arranged at the rear end of the oscillating rod, a mounting hole 52 which is used for clamping and matching of the motor shaft is axially arranged on the shaft sleeve, a through groove 33 is arranged on the outer wall of the output shaft, and the through groove is communicated with the mounting hole. The power source can be a motor, and when the motor shaft is installed in the shaft sleeve, the air at the extrusion position of the through groove can be extruded, and certain deformation can be generated through the through groove, so that the installation is convenient.

In this embodiment, as shown in the figure, the extending direction of the through groove is parallel to the extending direction of the mounting hole.

In this embodiment, as shown in the figure, the casing includes tool bit 6 and handle 7, be equipped with first connecting pipe 61 on hand, be equipped with second connecting pipe 71 on the tool bit, second connecting pipe circumference outer wall is equipped with spread groove 711, first connecting pipe is equipped with the shell fragment 8 that can dismantle the connection, be equipped with arch 81 on the shell fragment, the second position of roll-off spread groove when protruding first position and the atress that stretch into in the spread groove. Can contract on this protruding front and back direction, after in the spread groove of packing into, can prevent that the handle from extracting (protruding in upper and lower direction relatively), when will take out, rotate handle and tool bit relatively, protruding roll-off spread groove can, also can cooperate stop gear to use, only play the effect that prevents the fixed block from L shape groove roll-off easily. The second connecting pipe extends into the first connecting pipe for assembly.

In this embodiment, as shown in the figure, a limiting mechanism for preventing the first connecting pipe and the second connecting pipe from falling out in the axial direction is further provided between the first connecting pipe and the second connecting pipe, the limiting mechanism includes an L-shaped groove 712 provided on the second connecting pipe, and a fixing block 611 slidably fitted with the L-shaped groove is provided on the inner wall of the first connecting pipe.

In this embodiment, as shown in the figure, the handle includes a first shell 71 and a second shell 72 which are detachably connected, one end of the first shell extends into the second shell and is provided with a connecting pipe 73, the circumferential outer wall of the connecting pipe is provided with an annular groove 731, a sealing ring 9 made of an elastic material is arranged in the annular groove, the sealing ring includes a ring body 91 and a skirt edge 92, one end of the skirt edge is connected with the ring body, and the other end of the skirt edge tilts outwards and can approach the ring body when being pressed; the ring body is in sealing fit with the annular groove, and the skirt edge is in sealing fit with the inner wall of the second shell. The skirt edge is in a tilting state in a conventional state, after the first shell is installed in the second shell, the inner wall of the second shell abuts against the skirt edge to enable the skirt edge to approach the ring body and achieve sealing, and the approach can be fit or have a gap.

In this embodiment, as shown in the figure, the connecting pipe is provided with a connecting portion 732 for connecting with the inner wall of the second housing, and a clamping groove 743 is formed between the skirt and the ring body, and the clamping groove is disposed corresponding to the connecting portion. If a small amount of water enters the connecting part, the water flows into the clamping groove after entering the connecting part, so that the skirt edge is expanded, and the sealing effect is improved. The connection may be by a threaded connection.

In the description of the present invention, it is to be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships illustrated in the drawings, and are used merely for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, are not to be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.

The embodiments described with reference to the drawings are illustrative and are intended to be illustrative of the invention and should not be construed as limiting the invention. The examples should not be construed as limiting the present invention, but any modifications made based on the spirit of the present invention should be within the scope of protection of the present invention.

Claims

1. A hair clipper comprising a housing (1) provided at its front end with a blade assembly (2) for cutting off hair, a power source (3) being provided in the housing, said power source driving the blade assembly through a transmission mechanism, said transmission mechanism comprising a swing lever (41), characterized in that: be equipped with articulated shaft (11) in the casing, be equipped with shaft hole (411) on the pendulum rod, the shaft hole inner wall is equipped with at least three contact surface (412), the contact surface with the articulated shaft outer wall is tangent.

2. A hair clipper as set forth in claim 1, wherein: the contact surface is a plane.

3. A hair clipper as set forth in claim 1, wherein: and a through hole (413) is formed in the swing rod relative to the shaft hole.

4. A hair clipper as set forth in claim 1, wherein: the blade subassembly includes sliding fit's movable blade (21) and stationary blade (22), the power supply includes output shaft (31), still includes axle sleeve (5), be equipped with on the axle sleeve and be used for driving the gliding eccentric rod (51) of movable blade, the pendulum rod rear end is equipped with recess (42) that are used for the eccentric rod to stretch into, the axle sleeve axial is equipped with and is used for motor shaft joint complex mounting hole (52), the output shaft outer wall is equipped with and runs through groove (33), run through the groove with the mounting hole intercommunication.

5. A hair clipper as set forth in claim 4, wherein: the extending direction of the through groove is parallel to the extending direction of the mounting hole.

6. A hair clipper as set forth in claim 1, wherein: the casing includes tool bit (6) and handle (7), be equipped with first connecting pipe (61) on the handle, be equipped with second connecting pipe (71) on the tool bit, second connecting pipe circumference outer wall is equipped with spread groove (711), first connecting pipe is equipped with shell fragment (8) that can dismantle the connection, be equipped with arch (81) on the shell fragment, the second position of roll-off spread groove when protruding first position and the atress that stretch into in the spread groove.

7. A hair clipper as set forth in claim 6, wherein: still be used for the axial direction between first connecting pipe and the second connecting pipe to prevent the stop gear who falls out, stop gear is including locating L shape groove (712) on the second connecting pipe, first connecting pipe inner wall be equipped with L shape groove sliding fit's fixed block (611).

8. A hair clipper as set forth in claim 3, wherein: the L-shaped slot includes a horizontal slot (7121), and the connecting slot is disposed opposite to the horizontal slot.

9. A hair clipper as set forth in claim 3, wherein: the handle comprises a first shell (71) and a second shell (72) which are detachably connected, one end of the first shell extends into the second shell and is internally provided with a connecting pipe (73), the circumferential outer wall of the connecting pipe is provided with an annular groove (731), a sealing ring (9) made of elastic materials is arranged in the annular groove, the sealing ring comprises a ring body (91) and a skirt edge (92), one end of the skirt edge is connected with the ring body, and the other end of the skirt edge tilts outwards and can be close to the ring body when being pressed; the ring body is in sealing fit with the annular groove, and the skirt edge is in sealing fit with the inner wall of the second shell.

10. A hair clipper as set forth in claim 9, wherein: the connecting pipe is provided with a connecting part (732) used for being connected with the inner wall of the second shell, a clamping groove (743) is formed between the skirt edge and the ring body, and the clamping groove is arranged corresponding to the connecting part.