CN215240998U

CN215240998U - Tool bit adjusting device of electric hair clipper

Info

Publication number: CN215240998U
Application number: CN202121224344.2U
Authority: CN
Inventors: 洪彰杓
Original assignee: Shenzhen Codos Electric Appliance Co ltd
Current assignee: Shenzhen Codos Electric Appliance Co ltd
Priority date: 2021-06-02
Filing date: 2021-06-02
Publication date: 2021-12-21
Anticipated expiration: 2031-06-02

Abstract

The utility model provides an electric hair clipper tool bit adjusting device, include: a body; a cutter head assembly; a crankshaft connecting rod is rotatably arranged on the movable tool rest and is connected with the movable blade through a tool bit spring; a push rod capable of sliding left and right along the upper cover of the machine body is arranged on the right side of the fixed seat of the fixed blade of the tool rest; the top of the upper cover of the machine body is rotatably provided with a toggle knob, the inner wall below the upper cover of the machine body is provided with a gear connected with the toggle knob through a screw, the eccentric position of the bottom of the gear is provided with a first connecting rod hinged with the gear, the tail of the first connecting rod is hinged with a second connecting rod capable of moving left and right, and the bottom of the right end head of the second connecting rod is hinged with the right end of the push rod. The utility model discloses the beneficial effect who reaches: the gear shifting mechanism has the advantages of simple structure, easy assembly, easy adjustment of gear functions, strong self-locking function, easy, accurate, time-saving and labor-saving gear shifting, clear and pleasant sound generation and capability of preventing hairs from entering the machine.

Description

Tool bit adjusting device of electric hair clipper

Technical Field

The utility model relates to an electric clipper tool bit adjusting device

Background

Electric hair clippers are one of common tools used in beauty salons and are familiar tools required by public during hair cutting. In the prior art, few electric clippers do not have a blade adjustment mechanism that limits the length of the hair cut. Most of the rechargeable electric hair clippers are provided with a cutter head adjusting mechanism, and the length of hair left during hair cutting is adjusted by adjusting the relative positions of the movable blade and the fixed blade.

At present, traditional electric clipper is mainly provided with adjustment mechanism in the fuselage, and there is the push rod fuselage inside, push rod and moving blade transmission cooperation, drive the push rod through the key that pushes away outside the pushing housing and drive the moving blade seesaw during the use to adjust the position of moving blade, nevertheless following defect appears easily in the regulation structure of these traditional electric clippers:

1) the gear is not accurate, whether the gear slides or not is not easy to judge, and the gear feeling is not generated;

2) the phenomenon of gear jumping and the like easily occurs during working;

3) the hair cut off is easy to enter the machine when in work;

therefore, there is a need for an improvement in the adjustment structure of the conventional electric clipper.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem that an electric hair clipper head adjusting device is provided, the gear function is easily adjusted, and self-locking function is strong, easily assembles.

In order to solve the technical problem, the utility model provides an electric hair clipper head adjusting device, include:

the machine body comprises an upper machine body cover and a lower machine body cover, the upper machine body cover and the lower machine body cover are mutually buckled, and a knife rest fixing piece fixing seat is arranged in a left port of the lower machine body cover;

the cutter head assembly comprises a fixed cutter frame, a movable cutter frame, a fixed blade and a movable blade, wherein the movable cutter frame is positioned above the fixed cutter frame and can move along the front, back, left and right directions of the fixed cutter frame;

the method is characterized in that: a crankshaft connecting rod is rotatably arranged on the movable tool rest and is connected with the movable blade through a tool bit spring; a push rod capable of sliding left and right along the upper cover of the machine body is arranged on the right side of the fixed seat of the fixed blade of the tool rest; the top of fuselage upper cover rotatable install stir the knob fuselage upper cover's below inner wall on be equipped with through the screw with stir the gear that the knob is connected, one side of gear is equipped with gear locking mechanism, the eccentric position department of gear bottom is equipped with rather than articulated first connecting rod, the afterbody of first connecting rod articulates there is the second connecting rod that can remove about, the right-hand member head bottom of second connecting rod with the right-hand member of push rod is articulated.

In the structure, the left side wall of the fixed seat of the fixed blade holder is fixed with the fixed blade holder fixedly connected with the fixed blade holder through a screw.

In the structure, the gear locking mechanism comprises a gear locking box connected with the upper cover of the machine body through a screw, a gear locking buckle supported through a compression spring is arranged inside the gear locking box, and the outer end head of the gear locking buckle is abutted against the side wall of the gear under the action of the compression spring.

In the structure, the gear is provided with an eccentric hole, and the left end of the first connecting rod is movably connected with the eccentric hole through a shaft pin.

In the above structure, the inner wall of the bottom of the upper cover of the body is provided with a connecting rod guide groove capable of accommodating the second connecting rod, and the second connecting rod can move in the left-right direction along the connecting rod guide groove.

In the structure, two push plates which are contacted with the crankshaft connecting rod are arranged at the left end of the push rod.

In the structure, the front side and the rear side of the second connecting rod are respectively provided with an upper cover guide bone fixed on the machine body cover, the two upper cover guide bones are arranged in parallel, and the top end surface of the push rod is provided with two guide rails capable of moving left and right along the upper cover guide bones.

The utility model discloses the beneficial effect who reaches: the gear shifting mechanism has the advantages of simple structure, easy assembly, easy adjustment of gear functions, strong self-locking function, easy, accurate, time-saving and labor-saving gear shifting, clear and pleasant sound generation and capability of preventing hairs from entering the machine.

Drawings

Fig. 1 is an exploded schematic view of an electric hair clipper head adjustment device according to an embodiment of the present invention;

fig. 2 is a schematic structural view of a cutter head assembly of an electric hair clipper cutter head adjusting device according to an embodiment of the present invention;

FIG. 3 is a schematic structural view of a push rod of an electric hair clipper head adjustment device according to an embodiment of the present invention;

FIG. 4 is a schematic structural view of a gear in an electric hair clipper head adjustment device according to an embodiment of the present invention;

fig. 5 is an exploded view of a gear locking mechanism of an electric hair clipper head adjusting device according to an embodiment of the present invention;

FIG. 6 is an assembly view of an electric hair clipper head adjustment device according to an embodiment of the present invention;

FIG. 7 is a cross-sectional view taken along line A-A of FIG. 6;

FIG. 8 is a cross-sectional view taken along line B-B of FIG. 6;

fig. 9 is a schematic view of an internal structure of an electric hair clipper head adjusting device according to an embodiment of the present invention.

In the figure: 1. a body; 2. an upper cover of the machine body; 3. a lower body cover; 4. a knife rest fixing piece fixing seat; 5. a cutter head assembly; 51. fixing a tool rest; 52. a movable blade holder; 53. fixing a blade; 54. a movable blade; 6. a crankshaft connecting rod; 7. a bit spring; 8. a push rod; 9. a knob is pulled; 10. a gear; 11. a first link; 12. a second link; 13. a knife rest fixing piece; 14. a gear lock box; 15. a compression spring; 16. a gear lock catch; 17. an eccentric hole; 18. a shaft pin; 19. a connecting rod guide groove; 20. pushing the plate; 21. covering the bone guide plate; 22. a guide rail.

Detailed Description

The technical solution of the present invention will be clearly and completely described with reference to the accompanying drawings.

As shown in fig. 1-9, the utility model discloses an electric hair clipper head adjusting device, include:

the machine body 1 comprises an upper machine body cover 2 and a lower machine body cover 3, the upper machine body cover 2 and the lower machine body cover 3 are buckled with each other, and a knife rest fixing piece fixing seat 4 is arranged in a left port of the lower machine body cover 3;

the cutter head assembly 5 comprises a fixed cutter frame 51, a movable cutter frame 52, a fixed blade 53 and a movable blade 54, wherein the movable cutter frame 52 is positioned above the fixed cutter frame 51 and can move along the front, back, left and right directions of the fixed cutter frame 51, the fixed blade 53 is fixed at the left end of the fixed cutter frame 51, and the movable blade 54 is fixed below the movable cutter frame 52 and is tightly contacted with the fixed blade 53;

the method is characterized in that: a crankshaft connecting rod 6 is rotatably arranged on the movable tool rest 52, and the crankshaft connecting rod 6 is connected with the movable blade 54 through a tool bit spring 7; a push rod 8 capable of sliding left and right along the upper cover 2 of the machine body is arranged on the right side of the fixed plate fixing seat 4 of the tool rest; rotatable the installing in top of fuselage upper cover 2 stir knob 9 fuselage upper cover 2's below inner wall on be equipped with gear 10 through screw and stir knob 9 and be connected, one side of gear 10 is equipped with gear latched device, the eccentric position department of gear 10 bottom is equipped with rather than articulated first connecting rod 11, the afterbody of first connecting rod 11 articulates there is second connecting rod 12 that can remove about, the right-hand member head bottom of second connecting rod 12 with the right-hand member of push rod 8 is articulated.

In the above configuration, the holder fixing piece 13 fixedly connected to the fixed holder 51 is fixed to the left side wall of the holder fixing piece holder 4 by a screw.

In the structure, the gear locking mechanism comprises a gear locking box 14 connected with the body cover 2 through a screw, a gear locking buckle 16 supported through a compression spring 15 is arranged inside the gear locking box 14, and the outer end of the gear locking buckle 16 abuts against the side wall of the gear 10 under the action of the compression spring 15.

In the above structure, the gear position gear 10 is provided with an eccentric hole 17, and the left end of the first connecting rod 11 is movably connected with the eccentric hole 17 through a shaft pin 18.

In the above structure, the inner wall of the bottom of the upper cover 2 is provided with a link guide groove 19 capable of accommodating the second link 12, and the second link 12 can move in the left-right direction along the link guide groove 19.

In the above structure, two push plates 20 contacting with the crankshaft connecting rod 6 are provided at the left end of the push rod 8.

In the above structure, the front and rear sides of the second connecting rod 12 are provided with the upper cover guide ribs 21 fixed on the body cover 2, the two upper cover guide ribs 21 are arranged in parallel, and the top end surface of the push rod 8 is provided with two guide rails 22 capable of moving left and right along the upper cover guide ribs 21.

The compression spring 15, the gear lock 16 and the gear lock box 14 are assembled on the machine body cover. The shift lock 16 abuts against the shift gear 10 under the pressure of the compression spring 15. One end of the first connecting rod 11 with a shaft pin is assembled and connected with an eccentric hole 17 of the gear position gear 10, the other end of the first connecting rod 11 with a shaft hole is assembled and connected with a shaft pin at the left end of the second connecting rod 12, two side surfaces of the second connecting rod 12 are sequentially matched with a connecting rod guide groove 19 of the machine body upper cover 2, and the shaft pin at the right end of the second connecting rod 12 is assembled and connected with a shaft hole of the push rod 8.

When the toggle knob 9 is toggled, the toggle knob 9 and the gear 10 rotate simultaneously, the gear lock catch 16 generates crisp and pleasant gear sound by colliding the top and the root of the gear 10 up and down under the pressure action of the compression spring 15, and meanwhile, the gear self-locking function is also achieved. Meanwhile, the first connecting rod 11 rotates clockwise or counterclockwise by 360 degrees along the track of the eccentric hole 17 of the gear 10, so as to drive the second connecting rod 12 to move left and right in the connecting rod guide groove 19 of the body cover 2, and simultaneously drive the push rod to move left and right on the upper cover guide rib 21 of the body cover 2.

The crankshaft connecting rod 6 and the push rod 8 are mutually abutted under the spring pressure of the cutter head spring 7, and when the push rod 8 is pushed left and right, the crankshaft connecting rod 6 rotates along the shaft to achieve the effect of pushing the movable cutter blade 54 back and forth.

The above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; the connection can be mechanical connection or electrical connection; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Claims

1. An electric clipper head adjustment device, comprising:

the machine body (1) comprises an upper machine body cover (2) and a lower machine body cover (3), the upper machine body cover (2) and the lower machine body cover (3) are buckled with each other, and a knife rest fixing piece fixing seat (4) is arranged in a left port of the lower machine body cover (3);

the cutter head assembly (5) comprises a fixed cutter rest (51), a movable cutter rest (52), a fixed blade (53) and a movable blade (54), wherein the movable cutter rest (52) is positioned above the fixed cutter rest (51) and can move along the front, back, left and right directions of the fixed cutter rest (51), the fixed blade (53) is fixed at the left end of the fixed cutter rest (51), and the movable blade (54) is fixed below the movable cutter rest (52) and is tightly contacted with the fixed blade (53);

the method is characterized in that: a crankshaft connecting rod (6) is rotatably arranged on the movable tool rest (52), and the crankshaft connecting rod (6) is connected with the movable blade (54) through a tool bit spring (7); a push rod (8) capable of sliding left and right along the upper cover (2) of the machine body is arranged on the right side of the fixed plate fixing seat (4) of the knife rest; the rotatable knob (9) of stirring of installing in top of fuselage upper cover (2) the below inner wall of fuselage upper cover (2) on be equipped with gear (10) of being connected through screw and knob (9) of stirring, one side of gear (10) is equipped with gear locking mechanism, the eccentric position department of gear (10) bottom is equipped with rather than articulated first connecting rod (11), the afterbody of first connecting rod (11) articulates there is second connecting rod (12) that can control about, the right-hand member head bottom of second connecting rod (12) with the right-hand member of push rod (8) is articulated.

2. The electric clipper head adjustment device of claim 1, wherein: and a cutter rest fixing piece (13) fixedly connected with the fixed cutter rest (51) is fixed on the left side wall of the cutter rest fixing piece fixing seat (4) through a screw.

3. The electric clipper head adjustment device of claim 1, wherein: the gear locking mechanism comprises a gear locking box (14) connected with the upper cover (2) of the machine body through a screw, a gear locking buckle (16) supported through a compression spring (15) is arranged inside the gear locking box (14), and the outer end head of the gear locking buckle (16) abuts against the side wall of the gear (10) under the action of the compression spring (15).

4. The electric clipper head adjustment device of claim 1, wherein: an eccentric hole (17) is formed in the gear (10), and the left end of the first connecting rod (11) is movably connected with the eccentric hole (17) through a shaft pin (18).

5. The electric clipper head adjustment device of claim 1, wherein: and a connecting rod guide groove (19) capable of accommodating the second connecting rod (12) is formed in the inner wall of the bottom of the upper cover (2) of the machine body, and the second connecting rod (12) can move in the left-right direction along the connecting rod guide groove (19).

6. The electric clipper head adjustment device of claim 1, wherein: two push plates (20) contacted with the crankshaft connecting rod (6) are arranged at the left end of the push rod (8).

7. The electric clipper head adjustment device of claim 1, wherein: the front side and the rear side of the second connecting rod (12) are respectively provided with an upper cover guide bone (21) fixed on the machine body cover (2), the two upper cover guide bones (21) are arranged in parallel, and the top end surface of the push rod (8) is provided with two guide rails (22) capable of moving left and right along the upper cover guide bones (21).