JPS5849746Y2 - dry razor machine - Google Patents

Description

[Detailed description of the invention] The purpose of the invention is to provide a razor machine having a first blade part and a second blade part, which is extremely easy to use due to the characteristic shape of each blade part. do.

In a razor machine that has a first blade part that mainly cuts beards and a second blade part that mainly cuts long hair such as the beard area, if the ease of use of the blade parts is to be followed, the first blade part and the second blade part are generally Since it is not used at the same time as the first blade, it is desirable that the second blade does not get in the way when the first blade is used, and that the first blade does not get in the way when the second blade is used. It will be done.

In many conventional products of this type, the outer cutter constituting the first blade protrudes from the opening on the top surface of the outer frame, and the scraping blade, which is the second blade portion, is arranged in the opening on the top surface of the outer frame. .

Therefore, since the outer blade is located very close to the scraping blade,
When shaving, the razor blade hits your face, making it impossible to shave freely, and the razor blade also scratches your face and makes you feel uncomfortable.

When shaving the lower part of the nose or chin, it especially hits the face.

In addition, in order to avoid the above-mentioned problems as much as possible, it is necessary to apply the side of the outer blade on which the scratching blade is not installed to the face, so the outer blade can be used in a specific direction and can be used freely. I can't.

Furthermore, when using a shaving blade to shave long hair such as in the area of a beard, the cutting edge of the shaving blade is hidden behind the outer blade, making it difficult to arbitrarily determine the position of the shaving blade, which is extremely inconvenient.

There is another conventional type in which a scraping blade is movably disposed on the side of an outer frame in which an outer cutter is housed.

Among these, there is one in which the direction of movement of the scraping blade is parallel to the direction of the center line of the outer blade, which is the axis of symmetry of the outer blade.

In this case, in order to make it easier to use the outer cutter, if you place the scraping blade in a low position away from the outer cutter, when using the scraping blade, even if you move the scraping blade, the scraping blade will remain close to the outer blade and will remain outside. It becomes easier to hide behind the blade.

Also, if you try to make the scratching blade easier to use by placing the scraping blade in a higher position than the outer blade, it will become difficult to use the outer blade.
The above-mentioned problems will occur.

Also, when using a razor whose moving direction is perpendicular to the direction of the outer blade center line, the scraping blade protrudes from the razor body as it moves, but due to the structure, the position of the scraping blade is It is considerably lower than the outer blade, so the scratching blade is hidden by the outer blade, making it very difficult to use.

The present invention aims to eliminate such drawbacks, and its gist is that a scraping blade is disposed on the side of an outer frame equipped with an outer cutter and an inner cutter that slides on the inner surface of the outer cutter. The direction of movement is at an angle of 15° or more and 45° or less with respect to the central axis of the outer cutter, and the direction of movement is at an angle of 15° or more and 45° or less with respect to the outer cutter center axis. This provides an excellent razor machine that is easy to use.

A detailed description will be given below based on an embodiment shown in the drawings.

Reference numeral 1 denotes a main body case, which has a drive source (not shown) built therein, and a vibrator 2 that reciprocates and vibrates protruding from the top surface.

Reference numeral 3 denotes an outer frame that is positioned by the main body case 1 and holds an outer cutter 4 having a large number of pores in an arch shape.

Since the second blade part side end of the outer frame 3 is cut out so that the second blade part moves within the notch 3a, the second blade part can be placed on the center side, and the thickness of the razor machine can be reduced. Can be made thinner.

Moreover, since the above-mentioned notch is designed not to communicate with the beard scraps storage space in the first blade part, it is possible to reliably prevent the second blade part from becoming contaminated with beard scraps and from increasing the movement resistance due to the whisker debris. It is something.

Reference numeral 5 denotes an inner cutter spring which pushes up the inner cutter 6 so as to come into close contact with the outer cutter 4 which is loosely fitted into the vibrator 2.

A vibrator 2 fixed to the main body case 1 and driven by a drive source (not shown) about a vibrator axis 7 orthogonal to the direction of the outer cutter center line reciprocates the inner cutter that is in close contact with the outer cutter 4. It is designed to vibrate and cut off hairs that have entered the pores of the outer cutter 4.

In this way, the first blade portion is formed.

In this case, the outer blade centerline direction C is inclined with respect to the centerline direction of the main body case 1 so as to be away from the second blade portion.

In addition, since the vibrator shaft 7 is orthogonal to the outer blade center line direction C, the vibrator shaft 7 receives the force in the direction C, which receives the most pressing force during shaving, only in its radial direction. There is no friction loss due to component force in the thrust direction that would occur if the shaft 7 is not perpendicular to the C direction but is inclined, resulting in an efficient bearing structure.

In addition, since the vibrator shaft 7 is inclined with respect to the direction of the center line of the main body case, the bearing portion of the vibrator 2 on the vibrator shaft 7 can be secured for a longer period of time, which improves wear resistance and other properties of the bearing portion. This can improve mechanical strength.

On the other hand, the second blade portion, which is a scraping blade, is housed in the side of the main body case 1.

In other words, 8 is a fixed blade, and the cutting edge of the fixed blade is attached to the main case 1.
An end protruding from an opening on the upper surface of the side and bent in a shape relative to the cutting edge is housed in the main body case 1.

Reference numeral 9 denotes a fixed blade presser, and the fixed blade 8 is movably held on the side of the main body case 1 by a fixed blade presser screw 10.

Reference numeral 11 denotes a drive plate, which is fixed to the fixed blade by a drive plate shaft 12, and the upper end of the drive plate 11 engages and drives a one-shaped movable blade 13 that slides in contact with the fixed blade 3, and is equipped with a spring 14. The movable blade 13 is pressed onto the fixed blade 8 via the spring 14.

The lower part of the drive plate 11 is a vibrator dowel 15 that is integrated with the vibrator 2.
It forms a guide wall 16 that engages and separates from the guide wall 16.

The button 17 on the outer wall of the main body case 1 has a button dowel 18 integrated with the button that passes through a hole in the main case and is fixed to a fixed blade, so when the button is moved from the outside, the scraping blade also moves in the same way. It is something to do.

Figure 1 shows the state in which the scraping blade is not used, and the drive plate guide wall 16 and the vibrator dowel 15 are separated, so the movable blade 1
3 is stopped.

FIG. 3 shows the cutting blade in use, and when the button 17 is moved upward in the state shown in FIG. 1, the driving plate guide wall 1
6 engages with the vibrator dowel 15, and the drive plate 11 vibrates, causing the movable blade 13 to reciprocate.

At this time, since the blade edges of the fixed blade 8 and the movable blade 13 each have slits, it is possible to cut off long hair that has fallen between the slits.

At this time, the moving direction B of the scraping blade is approximately parallel to the center line direction of the main body case 1, and makes an angle θ with respect to the outer blade center line direction C, which is the axis of symmetry of the outer blade. The angle is 15-45°.

For this reason, when using the outer cutter, the cutting edge of the scraping knife is positioned sufficiently lower than the outer cutter, as shown in Figure 1, so it does not get in the way of the outer cutter.

Further, since the outer cutter center line direction C is inclined with respect to the main case center line direction and the outer cutter 4 is biased toward the right side wall of the main body case 1, the interference of the scraping blade is further reduced.

Also, when using a scuffing blade, the scuffing blade moves upward as shown in Figure 3, but the cutting edge of the scuffing blade rises by the amount of movement cos θ relative to the outer cutter, and the amount of movement sin
It becomes separated from the outer cutter by θ.

In this case, if θ is less than 15°, for example about 5°, the cutting edge of the scuffing blade will not be able to separate enough from the outer cutter, and if θ exceeds 45°, the cutting edge of the scuffing blade will not be able to separate enough from the outer cutter. Can't get high.

Therefore, in order for the cutting edge of the scraping blade to be at a position sufficiently high and far enough away from the outer blade, θ
The optimum angle is 15° to 45°, especially 30°±5°.

In this way, with the present invention, when using the outer blade, the user can enjoy shaving freely without the shaving blade getting in the way.

This is because the razor blade does not touch the skin when shaving anywhere on the face, such as the lower part of the nose or the lower part of the chin.
It is possible to reliably prevent injury to the face or discomfort.

Moreover, since the outer cutter can be applied to the face even on the side where the scratching blade is disposed, there is no directional restriction on the use of the outer cutter, and the outer cutter can be used freely.

On the other hand, when using a shaving blade to shave long hair, such as the area where the skin rashes appear, the edge of the shaving blade is not hidden by the outer blade and can be seen freely, as described above, so the position of the shaving blade is can be determined arbitrarily, making it very easy to use.

Further, as described above, the outer blade center line direction C of the first blade portion is inclined with respect to the main body case center line direction, and the outer cutter 4 is aligned with the main body case 1.
The first blade part and the second blade part are offset toward the right side wall of the main body case, and the second cutting blade is arranged so as to be movable in a direction substantially parallel to the center line of the main body case. Even if they are placed side by side on the left and right sides of the main body case 1, the thickness of the main body case 1 can be made thin, and since the scraping blade is also made approximately parallel to the center line of the main body case, it can be easily stored in the main body case.

Furthermore, since the vibrator axis 7 is orthogonal to the direction C of the outer blade center line of the first blade section, as mentioned above, the friction loss during shaving is reduced and efficiency is improved, and the bearing with the vibrator 2 is Since the bearing portion can be long, it is possible to construct a bearing portion with high mechanical strength.

In addition, since the second blade part is formed by cutting out the side part of the outer frame on the side of the second blade part, the thickness of the razor can be reduced, and the notch can be used to remove beard debris in the second blade part. Since it is not communicated with the storage space, it has the practical advantage of preventing hair chips from flying out and preventing an increase in the movement friction of the second blade part.

[Brief explanation of the drawing]

The drawings show an embodiment of the present invention, in which Fig. 1 is a side sectional view of the main part in the outer blade usage state, and Fig. 2 is a plan view taken along line A-A in Fig. 1. Figure 3 is a side sectional view of the scraping blade in use. 1... Main body case, 2... Vibrator, 3
...Outer frame, 3a...Notch, 4...
... Outer blade, 6... Inner cutter, 7... Vibrator shaft, 8... Fixed blade, 13... Movable blade, 17... ...Operation button, D...Direction of main case center line, C...Direction of outer blade center line.

Claims (1)

[Scope of utility model registration request] an outer cutter having a large number of pores in the head opening; a first cutter having a beard layer storage space inwardly cut from the inner cutter that vibrates reciprocally by being pressed against the inner surface of the outer cutter; and the third cutter. In a dry razor machine, the movable blade slides on the fixed blade on the side of the blade, and the second blade part has a slit at each cutting edge, and the outer blade center line direction of the first blade part is The second blade part is inclined with respect to the center line of the main body case so as to be away from the second blade part, and is arranged such that the vibrator axis of the vibrator that drives the inner cutter is perpendicular to the direction of the center line of the outer blade. A second blade of an outer frame that holds the outer blade and has an angle of 15° or more and 45° or less with respect to the center line direction of the main body case in conjunction with the protrusion and storage operations of the operation button near the second blade part. 1. A dry shaver characterized in that a side end of the first blade part is cut out so as not to communicate with a beard layer storage space in the first blade part, and the second blade part is configured to move within the cutout.