KR20030072998A - Electronic hair cutter - Google Patents

Abstract

PURPOSE: An electric hair clippers is provided to prevent the hand or wrist of a user from being overstrained by forming a handle parallel to the movement direction of a cutting unit. CONSTITUTION: An electric hair clippers(100) is composed of a handle unit(10), and a cutting unit(20) having cutting blades(21,22). The handle unit is formed parallel to the movement direction of the cutting blades. The handle unit includes a motor(11), a driving gear(12), a bevel gear(13) engaged with the driving gear, a cam(14) formed at the top of the bevel gear, and a connecting rod(15) connected to the cam. The cutting unit includes a fixed blade(21), and a moving blade(22).

Description

Electric hair cutter {Electronic hair cutter}

The present invention relates to an electric haircutting mechanism, and more particularly, by forming the cutting part for cutting the hair and the handle portion of the mechanism in parallel with each other on the same straight line, which can be conveniently used so that the hand does not become excessive regardless of the part of the haircutting. It relates to an electric hair clipper.

Electric haircutting mechanism refers to a mechanism that allows two blades to be moved at regular intervals by rotation of a motor, etc., and cuts the hair. It is increasingly widely used.

The general form of such an electric hair clipper is shown in FIG.

As shown in FIG. 1, the conventional electric haircutting mechanism is largely composed of a handle part 50 and a cutting part 60, and these are such that the moving direction of the cutting blade of the cutting part 60 and the handle part 50 are perpendicular to each other. Is formed.

The handle portion 50 is provided with a power supply, a motor, a gear, etc. Inside the cut portion 60 is provided with a connection portion of the cutting blade moving in engagement with the motor and gears in the handle portion 50, the motor, By driving the gears and the connecting portion, the cutting blade (usually composed of two blades facing each other) of the cutting portion 60 moves to cut the hair.

However, the conventional electric haircutting mechanism of this configuration is configured in a direction in which the cutting blades of the handle portion 50 and the cutting portion 60 are perpendicular to each other, so that the user's wrist and arm are all over the user's wrist and arm according to the portion of the hair to be cut. Given. For example, in the side of the head, such as near the ear, the shape of the hand and wrist that wrap the grip 50 is not natural, thus giving a strain to the entire arm muscles. This problem is a serious problem for those who have a job that requires long hours of use. In addition, since the shape of the entire hands, wrists and arms at these sites is not natural, problems occur in terms of the quality of the haircut. Haircuts can take a long time because the shape of the haircut is not natural or you need to trim the shape three or four times. In addition, due to this problem, the user has to pay attention to the haircut, which adds to the fatigue of work.

The present invention has been made in view of the above problems, it can be caught naturally regardless of the specific part of the head so that the user's hands, wrists and arms do not occur at all, the operation is convenient and can shorten the working time It is also an object of the present invention to provide an electric hair clipper that can greatly improve work efficiency.

1 is a perspective view of an electric hair clipper according to the prior art,

2 is a perspective view of one embodiment of the electric barber according to the present invention;

3 is a plan view of one embodiment of the electric barber according to the present invention;

4 is a cross-sectional view of one embodiment of the electric hair clipper according to the present invention.

5a and 5b are cross-sectional views of another embodiment of the electric barber according to the invention,

6 is a perspective view of yet another embodiment of the electric hair clipper according to the present invention;

7 is a perspective view of yet another embodiment of the electric hair clipper according to the present invention.

<Description of Signs of Major Parts of Drawings>

10 handles, 11 motors,

12 ... drive gears, 13 ... bevel gears,

14, cam, 15, connecting rod,

16 pivots, 17 support means,

21 ... fixed cutting blade, 22 ... mobile cutting blade,

23 means of fixing, 24,

25 ... part 26, coil spring,

27 ... comb, 100 ... electric barber.

The present invention for achieving the object as described above, the handle portion to be held by the worker at work; And a cutting part provided with a cutting blade for cutting the hair, and a moving direction of the cutting blade and the handle part of the cutting part are provided in parallel along the same straight line.

The handle portion may include a motor connected to a power source, a drive gear formed at one end of the motor, a bevel gear engaged with the drive gear, a cam formed on an upper surface of the bevel gear, and eccentrically rotating; And a connecting rod connected to the cam, wherein the cutting part includes a fixed cutting blade fixedly coupled to the handle part, and is connected by the connecting rod and the pivot to reciprocate the left and right by reciprocating movement of the pivot. It includes a moving cutting blade, wherein the surface of the fixed cutting blade is an electric barber mechanism formed so as to cover the surface of the moving cutting blade is fixed means for blocking the movement in the vertical direction through the drawing of the moving cutting blade. It is another feature.

Further, in the portion where the fixed cutting blade and the moving cutting blade is in contact, the surface of the fixed cutting blade is formed with an electric claw, the rear surface of the moving cutting blade is an electric barber mechanism is formed so as to engage with the ear. It is another feature.

In addition, it is another aspect of the present invention that an electric hair clipper is formed on the upper surface of the fixing means, and the comb and the fixing means are fixed at the same time by means for fixing the fixing means to the fixed cutting blade.

In addition, the upper and lower parts of the pivot on the surface of the fixed cutting blade, characterized in that the electric barber mechanism protruding the support means for blocking the movement in the vertical direction when the movable cutting blade is reciprocated in the horizontal direction. do.

In addition, it is still another feature that it is an electric barber mechanism in which a coil spring is inserted into a space between the surface of the concave portion of the fixed cutting blade and the moving cutting blade.

Hereinafter, preferred embodiments of the present invention will be described with reference to the accompanying drawings.

2 to 4 show the configuration of an embodiment of the electric hair clipper 100 according to the present invention, FIG. 2 is a perspective view, FIG. 3 is a plan view, and FIG. 4 is a sectional view.

As shown in Fig. 2 to 4, the electric hair clipper 100 of the present embodiment is provided with a handle portion 10 to be held by the operator at the time of work, and cutting blades 21 and 22 for cutting the hair. Is provided with a cut portion 20, characterized in that the moving direction and the handle portion of the cutting blades (21, 22) of the cut portion 20 is formed in parallel along the same straight line.

That is, compared to the conventional electric hair clipper as shown in FIG. 1, the electric hair clipper 100 according to the present invention is formed such that in the conventional electric hair clipper, the moving direction of the cutting blade and the handle portion are perpendicular to each other. On the other hand, the electric haircutting device 100 according to the present invention is that when the cutting blades 21 and 22 of the cutting portion 20 are driven by a motor, the moving direction and the handle portion 10 are formed in parallel on the same straight line. There is a difference in that.

Inside the handle part 10, a motor 11 connected to a power source such as a battery, a drive gear 12 formed at one end of the motor, and a bevel gear 13 gear-coupled with the drive gear 12. And a cam 14 formed on an upper surface of the bevel gear 13 and a connecting rod 15 connected to the cam 14. The connecting rod 15 is coupled by the moving cutting blade 22 and the pivot 16 of the cutting unit 20 to be described later. That is, the inside of the handle portion 10, the means 11 drive gear 12, the bevel gear 13 for driving the cutting blade by converting the rotational motion of the motor 11 and the motor 11 into a linear motion, Cam 14, connecting rod 15 and pivot 16-are included.

On the other hand, the cutting portion 20 is provided with cutting blades (21, 22), the reference numeral 21 denotes a fixed cutting blade fixed to the handle portion 10 and the reference numeral 22 is a connecting rod ( 15) shows a moving cutting blade reciprocating in the left and right directions by the driving of the motor to cut the hair.

The fixed cutting blade 21 is firmly fixed to the handle portion 10 by fixing means such as a screw, the lower end is formed with a sawtooth-shaped cutting blade for easily cutting the hair.

The moving cutting blade 22 is connected by the connecting rod 15 and the pivot 16, as described above, so that the motor 11, the drive gear 12, the bevel gear 13, the cam 14 and the connecting rod Through 15, the hair is cut and reciprocated in the left and right directions by a force that converts the rotational motion of the motor into a linear motion.

The fixed cutting blade 21 and the moving cutting blade 22 are formed at predetermined intervals, and as shown in the figure, the lower portion of the hair cutting in contact with the hair is formed in a sawtooth shape. These teeth are usually slightly offset from each other to make hair cutting easier, which is not directly related to the present invention, and thus detailed description thereof will be omitted.

On the other hand, the upper portion of the moving cutting blade 22 is formed with a fixing means 23 for blocking the shaking in the vertical direction when the moving cutting blade 22 is reciprocated in the left and right direction, the moving cutting blade 22 It is preferably formed to cover about half, and formed of an elastic material having elastic force, such as a leaf spring. The fixing means 23 is fastened to the fixed cutting blade 22 by screws or the like.

On the other hand, in the site where the fixed cutting blade 21 and the moving cutting blade 22 contact, as shown in enlarged in Fig. 2, the concave portion 24 is formed on the surface of the fixed cutting blade 21 On the back surface of the movable cutting blade 22, a concave portion 25 is formed. Thereby, when the moving cutting blade 22 reciprocates in the left-right direction, it can interrupt | move the up-down direction of the moving cutting blade 22, and can ensure smooth movement of a left-right direction. In FIG. 2, the recess portion 24 and the recess portion 25 are not necessarily fitted, but may be formed to fit.

Meanwhile, FIGS. 5A and 5B are views for explaining the configuration of another embodiment of the present invention. FIG. 5A is a cross-sectional view of the electric hair clipper 100 of FIG. 2, and FIG. 5B is an exploded view of the configuration of FIG. 5A. It is shown.

5A and 5B, the coil spring 26 is further included in the configuration of the embodiment of FIG. 2. That is, when the moving cutting blade 22 moves in the left and right directions by inserting a coil spring into the space between the convex portion 24 and the moving cutting blade 22 on the fixed cutting blade 21, it swings upward and downward, in particular downward. To block. At the same time, it is possible to secure an elastic force corresponding to the force pressed by the fixing means 23 to prevent the shaking in the vertical direction through the drawing.

FIG. 6 shows the construction of another embodiment of the invention, which differs in that it further comprises a support means 17 as compared with the embodiment of FIGS. 2 and 5.

The support means 17 is to block the shaking in the vertical direction when the moving cutting blade 22 reciprocates in the left and right direction, the surface of the portion where the fixed cutting blade 21 is fastened to the handle portion 10 Is formed to protrude.

In the drawing, although shown together with the shaping portion 24 and the shaping portion 25 as described in the embodiment of FIG. 2, it is not necessary to form them together. That is, the recessed part 24 and the recessed part 25 are shaken in the up-and-down direction of the movable cutting blade 22 at the cutout part 20 side, and the support means 17 at the handle part 10 side, respectively. Will be blocked. If both of them are formed together, it is possible to more reliably block the shaking of the moving cutting blade 22 in the vertical direction. Of course, it can also be formed by selectively combining with the embodiment of FIG.

7 is a perspective view showing the configuration of another embodiment of the present invention.

7 is characterized in that the comb 27 is installed in the cutting portion 20. As a result, the comb 27 can be used while cutting the hair, and the hair can be neatly trimmed at the same time as the cutting. The comb 27 is installed on the upper surface of the fixing means 23, so that the fixing means 23 is fastened together with a screw fastening to the fixed cutting blade 21.

According to the present invention, regardless of the specific area of the head can be caught naturally, so that the user's hands, wrists and arms are not generated at all, the operation is convenient and the working time can be shortened, and the efficiency at the time of operation is greatly increased. An electric hair clipper which can be improved can be provided.

Claims (6)

In the electric hair clipper, A handle portion which is intended to be held by a worker during operation; And Cutting part with cutting blade for cutting hair Equipped with Electric barber mechanism characterized in that the moving direction of the cutting blade and the handle portion formed in parallel along the same straight line. The method of claim 1, Inside the handle portion, a motor connected to a power source, a drive gear formed at one end of the motor, a bevel gear coupled to the drive gear, a cam formed on the upper surface of the bevel gear and eccentrically rotated movement, the cam Including a connecting rod connected to the The cutting unit includes a fixed cutting blade fixedly coupled to the handle portion, and a moving cutting blade which is connected by the connecting rod and the pivot and cuts the hair while reciprocating in the left and right directions by the driving of the pivot, An electric hair clipper is formed on the surface of the fixed cutting blade so as to cover the surface of the moving cutting blade with fixing means for blocking the movement in the vertical direction through the drawing of the moving cutting blade. The method of claim 2, In the portion where the fixed cutting blade and the moving cutting blade is in contact, the surface of the fixed cutting blade is formed with a concave portion, the rear surface of the movable cutting blade is formed with a concave portion so as to engage with the concave portion. Instrument. The method of claim 3, And a comb formed on the upper surface of the fixing means, and the comb and the fixing means are simultaneously fixed by means for fixing the fixing means to the fixed cutting blade. The method of claim 3, And a support means for projecting the upper and lower portions of the pivot on the surface of the fixed cutting blade so as to block the movement in the vertical direction when the movable cutting blade reciprocates in the horizontal direction. The method according to claim 4 or 5, An electric hair clipper, wherein a coil spring is inserted into a space between the surface of the concave portion of the fixed cutting blade and the moving cutting blade.