JPS59229B2 - Denki Razorino Sotobaho Jig - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION The present invention relates to an outer cutter holder for securing an outer cutter arranged in an arch shape on the head frame of a reciprocating electric razor to the head frame.

An object of the present invention is to facilitate cleaning of the head frame or replacement of the outer blade, and another object of the present invention is to provide an electric razor with good after-sales serviceability and workability.

Conventionally, this type of outer cutter holder has been permanently installed on the head frame even though it is rotatable relative to the head frame, and when cleaning the head frame or replacing the outer cutter, It was an encouragement and a hindrance.

There was also a case where the holder was integrated with the outer cutter, but since the outer cutter always had a three-dimensional shape, it was disadvantageous in terms of inventory for after-sales service, transportation, etc.

Furthermore, electric razors other than those that press and hold the outer blade against the inner wall of the head frame have complicated processing inside the head frame.
Otherwise, other separate parts are added, which is disadvantageous in terms of processing and cost.

The present invention eliminates this drawback, and the outer cutter holder that presses and holds the outer cutter against the inner wall surface of the head frame is rotatable with respect to the head frame, and is separated from the head frame as necessary. Since it can also be used on the body, an electric razor whose outer blades are easy to replace and clean can be realized.

In addition, in the electric razor according to the present invention, the outer blade and the outer blade holder are separate pieces, so the outer blade can be treated as a flat plate, and the head frame only requires simple processing. After-sales service and processability are greatly improved.

The structure of the present invention is an electric razor in which an outer cutter holder 4 that presses and holds an outer cutter 1 against the inner wall of the head frame 3 is rotatably attached to the head frame 3. , rotating shafts 5, 5 at both ends, and a support column 7 connecting the rotating shafts 5, 5.
, 7, has a spring part 6 that connects the pressing strut parts γ, γ in an arch shape, the rotating shafts 5, 5 are cylindrical, and the tip thereof is a notch 14 in which a cylinder is notched; head frame 3
A round hole 12 in which the large-diameter portion of the cutout 7.7 rotatably engages and a groove 13 narrower than the round hole 12 are provided in the side wall of the cutout 7.7 so as to communicate with each other. The narrow part is the groove part 13
The outer cutter holder 4 is attached to and detached from the head frame 3 by passing through the inner part.

Hereinafter, a detailed explanation will be given based on an embodiment shown in the drawings.

First, the configuration of the present invention will be explained.

FIG. 1 is a partial cross-sectional view of the electric razor according to the present invention. Reference numeral 1 indicates an outer cutter, and 2 indicates a holding portion for pressing against a head frame 3 provided at an arched end of the outer cutter.

Reference numeral 4 denotes an outer cutter holder, which is composed of a rotating shaft 5, a spring portion 6, and a suppressing support portion 7.

8 is an inner cutter, which is driven by a force from a driving source (not shown).
It operates reciprocatingly via the power transmission section 9 and cooperates with the outer cutter 1 to shave hair.

10 is the electric razor body. 11 is an outer blade holder 4
It is a rotation bearing and is arranged in the head frame 3.

FIG. 2 is a front sectional view of the head frame 3 showing the rotation shaft 5 and the rotation bearing 11, and the outer cutter/inner cutter power transmission section and the like are omitted.

FIG. 3 is a partially enlarged view showing the rotation bearing 11 disposed in the head frame 3, and the rotation bearing 11 has a round hole 12 and a groove 1.
3, and the diameter A of the round hole portion 12 is larger than the width B of the groove portion 13.

4 and 5 are partially enlarged views showing the rotation shaft 5 of the outer cutter holder 4. FIG.

The rotation shaft 5 is traditionally made of a cylinder, and a part of the cylinder has a cutout part 14 in the radial direction, and the dimension C of the narrow part in the radial direction of this part is smaller than the diameter of the cylinder, and The dimensions A-B in FIG. 3 are in the relationship of A=D and B=C.

Although the rotating shaft 5 is shown as a separate component in this embodiment, the rotating shaft 5 may be configured integrally with the outer cutter holder A.

FIG. 4 is a perspective view showing the entire outer cutter holder 4. FIG.

Reference numeral 15 denotes a knob for rotating the outer cutter holder 4 about the rotation shaft 5.

Next, the operation and effects will be explained.

The electric razor assembled as shown in Figure 1 has head frame 3.
When the outer blade holder 4 is removed from the electric razor body 10 and the knob 15 is pulled downward, the outer blade holder 4
rotates.

At this time, the force that was pushing the holding part 2 of the outer cutter 1 against the inner wall of the head frame 3 through the support part 7 due to the repulsive force of the spring part 6 disappears, so the outer cutter 1 is easily removed from the head frame 3. break away.

In this state, the head frame 3 and the outer cutter holder 4 are integrated.

Therefore, just by pulling the knob 15, the outer cutter 1
It turns out that it is a very convenient electric razor as it can be replaced.

Furthermore, in this state, the outer cutter 1 has already been separated from the head frame 3, so cleaning the head frame 3 and the outer cutter 1 is extremely easy.

When it is desired to perform even more thorough cleaning, the positional relationship shown in FIGS. 3 and 4 is achieved. When the outer cutter holder 4 is slid in from the part shown, it can be detached from the head frame 3, so the outer cutter 1 and the head frame 3
, it becomes possible to thoroughly clean the outer cutter holder 4 separately.

For assembly, just do the reverse of the above.

Further, as described above, the head frame 3 and the outer cutter holder 4 do not become separate bodies unless they are intentionally separated, so there is no need to worry about losing them.

Furthermore, since the outer cutter 1 only has the press holding portion 2, it can be handled as a flat plate for after-sales service, which is convenient.

[Brief explanation of drawings]

FIG. 1 is a central sectional view showing the main parts of the present invention, FIG. 2 is a front sectional view of the head frame, and FIG. 3 is a partially enlarged view showing the rotation bearing.
4 and 5 are partially enlarged views of the rotating shaft, and FIG. 6 is a perspective view of the outer cutter holder. In the figure, 1...Outer cutter, 2...Press holding part, 3...Head frame, 4...Outer cutter holding hole 5... ...Rotation axis, 6...Spring part,
7... Pressing support section, 8... Inner blade, 9...
...Power transmission part, 10...Electric razor body, 11...Rotation bearing, 12...Round hole part, 13...Groove part , 14... Notch, 15... Knob.

Claims (1)

[Claims] 1. In an electric razor in which an outer cutter holder 4 that presses and holds the outer cutter 1 against the inner wall of the head frame 3 is rotatably attached to the head frame 3, the outer cutter holder 4 has a rotation mechanism at both ends. Axis 5
, 5, has a pillar part 7, 7 that connects the rotating shafts 5, 5, and a spring part 6 that connects the pillar parts 7, 1 in an arch shape, and the rotating shafts 5, 5 are cylindrical and have a tip end thereof. is a notch 14 in which a cylindrical column is notched, and on the other hand, a round hole 12 is formed in the side wall of the head frame 3 in which the large diameter portion of the large portion 7°7 rotatably engages, and from the round hole 12 A narrow groove 13 is provided in communication with the outer cutter holder 4, and the outer cutter holder 4 is attached to and detached from the head frame 3 by passing the narrow portion of the notch 14 into the groove 13. Electric razor outer blade holder.