JP2001162064A - Hair cutter - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a hair cutter suppressing the enlargement of the hair cutter and capable of cutting hairs at a fine portion even when a suction case is provided on a hair cutter body. SOLUTION: The suction case 2 is fitted along the hair cutter body 1 having a cutting blade 5 cutting hairs at the front end, and a suction port 20 of cut hairs is provided at the front end of the suction case 2 corresponding to the cutting blade 5. A hose connection section 11 capable of connecting a suction hose 22 connected to a suction machine such as a general home cleaner is provided on the suction case 2 in the hair cutter. The suction port 20 forms a face in the direction nearly perpendicular to the protruding direction of the cutting blade 5, and the cross section of the suction case 2 near the suction port 20 is formed into a triangular shape so that contact side of the suction case 2 with the hair cutter body 1 is used as the base and the other sides are used as sides.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a hair cutter provided with a suction device for cutting hair and sucking the cut hair.

[0002]

2. Description of the Related Art Conventionally, a hair cutter designed to cut hair at the time of haircut and suck the cut hair into a suction machine such as a general household vacuum cleaner to suppress scattering of the cut hair is known, for example. Japanese Utility Model Application Laid-Open No. 63-107678. In this hair cutter, as shown in FIG. 9, a cutting blade 5 for cutting hair is provided at the front end of the hair cutter main body 1 'at the front end, and a suction case 2' is provided along the upper surface of the hair cutter main body 1 '. Is what it is. Above suction case 2 '
Has a suction port 20 'at the front end and a suction hose (not shown) which can be connected to a suction machine such as a general household cleaner at the rear end.
And a suction flow passage communicating the suction port 20 'with the hose connection portion 11' at the rear end. In the lower part of the suction case 2 ', a front locking piece 29 is provided at the front end, and a rear locking piece 30 is provided at the rear end.
Is projected downward. Then, the suction port 20 ′ is arranged near the cutting blade 5, and the front locking piece 29 is disposed.
The suction case 2 'and the hair cutter body 1' are detachably engaged with each other by sandwiching the hair cutter body 1 'in the front-rear direction with the rear locking pieces 30. By locating the suction port 20 'in the vicinity of the cutting blade 5 in this manner, the hair cut by the cutting blade 5 can be suctioned from the suction port 20' to a general household cleaner. Was.

[0003]

However, in such a hair cutter, the shape of the suction port 20 'is not regarded as important and is not particularly specified. Attaching the suction case 2 'having the suction port 20' to the hair cutter body 1 'of the hair cutter
The hair can be sucked into a vacuum cleaner and the like, and the hair can be prevented from scattering.However, the hair cutter is enlarged, and the hair is narrow and fine, such as the one between the ear and the head. As for cutting the hair, it was inconvenient that the hair cutter could not be inserted well.

[0004] The present invention has been made in view of the above point, even if a suction case is provided in the body of the hair cutter,
An object of the present invention is to provide a hair cutter which can suppress the enlargement of a hair cutter and can cut hair in a fine portion.

[0005]

According to a first aspect of the present invention, there is provided a hair cutter having a suction case along a hair cutter body having a cutting blade for cutting hair. A suction hose 22 to be attached and provided with a cut hair suction port 20 at a front end corresponding to the cutting blade 5 of the suction case 2 and connected to a suction machine such as a general household vacuum cleaner.
In the hair cutter provided with the hose connecting portion 11 capable of connecting the suction port 2 to the suction case 2, the suction port 20 forms a surface in a direction substantially perpendicular to the direction in which the cutting blade 5 protrudes, and
The cross-sectional shape of the suction case 2 near zero is characterized in that it is formed in a triangular shape such that the side of the suction case 2 that contacts the hair cutter body is the base and the other side is the side. Thus, since the suction port 20 forms a surface in a direction substantially perpendicular to the direction in which the cutting blade 5 projects, the hair can be cut smoothly by the cutting blade 5 and the cut hair can be smoothly sucked from the suction port 20. In addition, the cross-sectional shape of the suction case 2 in the vicinity of the suction port 20 is formed in a triangular shape such that the side of the suction case 2 that contacts the hair cutter body is the bottom and the other side is the side. Both end portions of the front end portion of the suction case 2 can be made as thin as possible, and a hair cutter can be inserted into a narrow gap between the ear and the head, so that hair can be cut in fine portions without any problem. You can do it.

According to a second aspect of the present invention, there is provided a hair cutter according to the first aspect, wherein the triangular cross section of the suction passage near the suction port has a base angle B formed by the base and the side of 60.
° or less, and the cross-sectional area of the suction flow path 21 from the hose connecting portion 11 to the suction port 20 has an area of 100 mm ² or more.

[0007]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS The present invention will be described below based on embodiments shown in the accompanying drawings.

FIGS. 1 to 8 show an embodiment of the present invention. The hair cutter in this example is roughly divided into a hair cutter body 1 shown in FIG. 2 and a suction case 2 shown in FIGS.
At the rear end of the suction case 2, a suction hose 22 extended from a suction machine such as a general household vacuum cleaner is detachably engaged, and as shown in FIG. The suction case 2 is detachably engaged with the upper surface of the device.

Hair cutter body 1 called hair clipper
Is roughly formed by arranging the cut portion 3 at the front, and arranging the handle portion 4 at the rear adjacent to the cut portion 3 and integrally forming the cut portion 3.

The cut portion 3 is provided so as to protrude forward from the handle portion 4, and is provided with an upper inclined surface 3a and a lower inclined surface 3b so that the thickness in the vertical direction becomes thinner toward the tip. The cut portion 3 has an outer shape such that the inclined surfaces 3a and 3b meet at the upper and lower central portions. A cutting blade 5 for cutting hair protrudes forward at the upper and lower central portions of the cut portion 3, and the cutting blade 5 includes a fixed blade 5b and a movable blade 5a. Here, the fixed blade 5b is provided at the front end of the cut portion 3 so as to protrude on an extension of the inclination of the lower inclined surface 3b, and the movable blade 5a reciprocates the rotational drive of the motor on the upper surface of the fixed blade 5b. It is connected to a cam that converts the motion, and reciprocates linearly in the left-right direction along the fixed blade 5b.

The handle 4 has a substantially cylindrical shape and is used by being held by hand. A slide handle 6 is provided on the upper surface of the handle portion 4 so that the slide handle 6 can be operated only by the hand holding the hair cutter. The slide handle 6 controls a drive mechanism for moving the movable blade 5a. The slide handle 6 can slide in the front-rear direction of the hair cutter body 1. The drive mechanism is composed of a motor, and a motor shaft extending from the motor projects forward, and a movable blade is provided via a cam that converts the rotational drive of the motor shaft into a reciprocating linear motion. The movable blade 5a is provided continuously with the movable blade 5a to reciprocate linearly in the left-right direction.

As shown in FIG. 3, the suction case 2 is formed such that the upper case member 2a is joined to the lower case member 2b so as to cover the lower case member 2b, and the suction case 2 is integrally formed.

The case upper member 2a is composed of an upper horizontal piece 18 and an inclined piece 19, and is integrally formed at the front end of the upper horizontal piece 18 and the rear end of the inclined piece 19, as viewed from the side. It is a substantially U-shaped member. Here, the upper horizontal piece 18 is an arc-shaped plate piece having an upwardly convex surface and having the same length as the horizontal portion of the upper surface of the hair cutter, and the inclined piece 19 has its apex positioned upward. It is a plate-shaped piece having a V-shaped cross section, and has the same inclination as the upper inclined surface 3a of the cut portion 3.

The lower case member 2b has a lower horizontal plate 10 as a center, a hose connecting portion 11 at a rear end, an inclined plate 12 at a front end, and a pair of sandwiching pieces 14, 14 integrated at both side ends. . The lower horizontal plate 10 is a rectangular plate that is long in the front-rear direction. The hose connecting portion 11 is for connecting a suction hose 22 connected to a suction machine such as a general household cleaner, and has a ring-shaped outer peripheral surface having two groove-shaped engaging grooves 15 formed vertically. A through-hole 13 communicating with the outside is formed in a part of the hollow portion 11a inside. The through hole 1
By providing 3, even if, for example, the suction port 20 accidentally sucks the skin or the like, the air can be sucked from the through hole 13 so that even if the suction port 20 is closed, it sticks. It can be used safely without any. Further, the pair of sandwiching pieces 14, 14 have an arcuate shape having elasticity, and the lower horizontal plate 1
0 extends downward from both side ends, and is located inward as it goes downward. The inclined plate 12 has a plate shape,
The cut portion 3 is provided so as to protrude forward at an inclination corresponding to the inclination of the upper inclined surface 3a. Also, a pair of sandwiching pieces 1
One through slit 16 is formed in the front and rear direction in the vicinity of a portion where the lower horizontal plate 10 is joined to the lower horizontal plate 10. Here, the through slits 16, 1
A lower switch cover 17b, which will be described later, is inserted into the lower switch cover 17b. The lower switch cover 17b is fixed to the slide handle 6 of the hair cutter. The setting of the sliding amount of the switch cover 17 corresponds to the sliding amount of the sliding handle 6 in the front-back direction.

The upper case member 2a formed as described above
The case lower member 2b is joined to the case lower member 2b so as to cover the case lower member 2b, and integrated to form the suction case 2. At this time, the upper horizontal piece 18
Between the lower horizontal plate 10 and the lower horizontal plate 10 is formed,
Further, a space having a triangular cross section is formed between the inclined piece 19 and the inclined plate 12 as shown in FIG. 1, and the space having the kamaboko shape and the triangular cross section from the hose connecting portion 11 to the suction port 20 is formed. It becomes the suction channel 21 of the cut hair to be sucked.
In addition, the inclined piece 19 and the inclined plate 12 have openings at their ends, and serve as suction ports 20. Here, the above triangular cross section is configured such that the inclined plate 12 of the lower case member 2b is a bottom side and the inclined piece 19 of the upper case member 2a is a side. As shown in FIG. 8, in order to improve usability when cutting hair of a portion having a complicated shape of the head such as the periphery of the ear, both end portions of the front end of the suction case 2 are made as thin as possible. Thus, the suction case 2 and the side end portions of the hair cutter can be inserted into the narrow gap between the ear and the head, and hair can be cut at a fine portion. The suction port 20 has a triangular cross section in order to make both sides thinner for the above reason. FIG. 7 shows a change in usability due to a difference in the base angle B between the side and the base constituting the suction port 20 having a triangular cross section. From this, it is understood that ease of use can be ensured when the base angle B of the suction port 20 is a triangular cross section of 60 ° or less.

As described above, the smaller the bottom angle B, the thinner the both end portions of the suction port 20 and the more the usability increases, but the area of the suction port 20 decreases accordingly. . In recent years, the suction output of general household vacuum cleaners and the like has tended to increase. If the areas of the suction port 20 and the suction channel 21 are made too small, the wall of the suction channel 21 causes pressure loss, and As the flow rate decreases,
It is conceivable that an extreme pressure difference from the inside of the vacuum cleaner is caused, a safety device or the like for interrupting the operation of the vacuum cleaner is activated, or in the worst case, the load on the motor is increased to cause burning. In order to avoid this, as shown in FIG. 6, if the cross-sectional area of the suction hose 22 is 2000 mm ^{2 and} the cross-sectional area of the suction port 20 and the suction flow path 21 is 100 mm ² or more, normal operation of a vacuum cleaner or the like is ensured. It is understood that it is.

By setting the base angle B of the triangular cross section near the suction port 20 to 60 ° or less as described above, the side end portions of the suction case 2 and the hair cutter can be provided even in a narrow gap between the ear and the head. Can be easily inserted, the ease of use of the hair cutter can be ensured, and when the cross-sectional area of the suction channel 21 is 100 mm ² or more, normal operation of a suction machine such as a vacuum cleaner is ensured. It is preferable that the suction port 20 and the suction channel 21 are formed so as to satisfy the above contradictory conditions such as the base angle B and the cross-sectional area of the suction channel 21.

The switch cover 17 is composed of an upper switch cover 17a and a lower switch cover 17b. The upper switch cover 17a is formed in an arc plate shape and the lower switch cover 17b is formed in a U-shaped cross section. Is formed. Then, the upper switch cover 17
a, and the upper switch cover 17a and the lower switch cover 17b are abutted and joined together by disposing the U-shaped opening of the lower switch cover 17b upward. 17
Is formed. Here, the switch cover 1
7, the joining method of the upper switch cover 17a and the lower switch cover 17b is not specified. However, in this example, a tenon is provided in the upper switch cover 17a, and a tenon is provided in the lower switch cover 17b. Is what you are doing. Here, it is preferable that the switch cover 17 is formed in a ring shape so as to surround the suction case 2 in the circumferential direction. In this case, the cross-sectional area of the hair cutter can be suppressed, and It is possible to avoid an increase in size.

Switch cover 1 formed as described above
7 is attached to the suction case 2, but roughly speaking, the lower switch cover 17b is
The switch cover 17 is formed so as to be inserted into the through slits 16, 4 and 14 and to cover the upper switch cover 17 a from above the case upper member 2 a, so that the switch cover 17 can slide on the suction case 2. It is to be attached. At this time, a sliding groove 24 is formed at the center of the lower surface of the lower switch cover 17b, and a positioning body 28 is provided on the lower surface of the case lower member 2b. The sliding groove 24 has a rectangular shape that is long in the front-rear direction, penetrates through the lower switch cover 17b, and has a pair of inwardly protruding parts at the center in the longitudinal direction of the sliding groove 24. The click pieces 25, 25 are provided to face each other. As shown in FIG. 4, the positioning body 28 has a constricted portion 28a having a reduced thickness in the lateral direction at the center thereof.
Is formed. When the switch cover 17 is mounted on the suction case 2, the positioning body 28 is inserted into the slide groove 24. Here, the only part of the positioning body 28 inserted in the sliding groove 24 that does not contact the click pieces 25, 25 is the constricted portion 28a.
8a is positioned between the pair of click pieces 25, 25, and the positioning body 28 can be inserted into the sliding groove 24 without resistance. Thereby, the positioning body 28
The constricted portion 28a is positioned almost exactly at a position between the pair of click pieces 25, 25 so that the switch cover 17 is positioned at a predetermined position with respect to the suction case 2. Is what is done. If the predetermined position is set, for example, at a position corresponding to the off position of the slide handle 6, when the suction case 2 is mounted on the hair cutter main body 1, it is possible to provide an excellent mountability.

Further, a single switch piece 6a is formed on the upper surface of the slide handle 6 and protrudes upward between the side ends. Further, T-shaped through holes 26, 26 are provided on both sides of the sliding groove 24 on the lower surface of the lower switch cover 17b.
Is provided. The through holes 26, 26 are formed at both ends 26 thereof.
a is projected in the side end direction, and the switch piece 6a is fitted between both ends 26a, 26a. The provision of the through-holes 26 results in the formation of the guide ribs 27 having the click pieces 25. Here, the guide rib 27 is the click piece 2
5, giving elasticity in the left-right direction. By doing so, the space in which the positioning body 28 can slide when it slides can be widened by the elasticity of the click pieces 25, 25 in the left-right direction.
Can be provided in a wide sliding range. In addition, even if the switch cover 17 is slid,
The positioning members 28 are pressed by the elastic force of the guide ribs 27, and the positioning members 28 can be urged to the predetermined position. As described above, the slide handle 6 is provided on the lower surface of the lower switch cover 17b.
The switch cover 17 and the slide handle 6 are interlocked with each other. Thus, the slide handle 6 can be controlled by moving the switch cover 17 in the front-rear direction.

As shown in FIG. 1, the hair cutter body 1 and the suction case 2 constructed as described above are
Of the case lower member 2b along the upper inclined surface 3a of the cut portion 3, and the lower horizontal plate 1 of the case lower member 2b.
0 is positioned along the upper surface of the handle portion 4, and the lower switch cover 17 b is fixed to the slide handle 6 on the upper surface of the hair cutter body 1, and the hair is held by the pair of sandwiching pieces 14, 14 of the suction case 2. Insert the cutter body 1
It is detachably engaged. In addition, suction case 2
The suction hose 22 is rotatably and removably engaged with the hose connecting portion 11 at the rear end portion through the engaging groove 15. Here, the suction hose 22 engages with the hose connecting portion 11 at the front end, and has a joint portion 23 at the rear end that can be connected to a suction machine such as a general household vacuum cleaner. When the suction case 2 is attached to the hair cutter main body 1, the cross section of the suction case 2 above the handle portion 4 is thin and semi-cylindrical, so that a portion where the suction case 2 and the handle portion 4 overlap has a sense of unity. It is easy to hold when used. Further, when the suction case 2 is mounted on the hair cutter body 1, the suction port 20 is positioned near and above the cutting blade 5, but this ensures that the hair is cut even with the suction port 20 having a small cross-sectional area as described above. It is intended to be able to be sucked in. Further, the surface of the suction port 20 is set so as to form a surface in a direction substantially perpendicular to the projecting direction of the cutting blade 5, but if the angle is small (70 ° or less), the suction port 20 is not formed. The cutting blade 5 is hidden behind, the hair that does not touch the cutting blade 5 increases, and it becomes difficult to confirm the working condition.
(10 ° or more), the distance between the cutting blade 5 and the suction port 20 increases, and the amount of cut hair sucked into the suction port 20 decreases. Preferably, the angle between the cutting blade 5 and the suction port 20 is substantially vertical (70 ° or more and 110 ° or less), whereby the hair is cut and the cut hair is removed from the suction port 2.
Inhalation from zero can be performed smoothly.

It is also preferable that the case upper member 2a of the suction case 2 is made of a transparent member, so that the sucked hair or the like may be clogged in the suction flow path 21 of the suction case 2. The place where the cut hair or the like is clogged can be immediately specified, and the work of removing the clog in the suction flow path of the cut hair or the like can be easily performed.

[0023]

As described above, in the hair cutter according to the first aspect of the present invention, a suction case is mounted along a hair cutter body having a cutting blade for cutting hair at a front end thereof. A hair cutter provided with a suction port for cutting hair at a front end corresponding to a cutting blade and a hose connecting portion capable of connecting a suction hose connected to a suction machine such as a general household vacuum cleaner in a suction case, wherein the suction port has Since the surface is formed in a direction substantially perpendicular to the projecting direction of the cutting blade, it is possible to smoothly cut the hair with the cutting blade and suck the cut hair from the suction port, and in the vicinity of the suction port. The suction case was formed in a triangular shape with the bottom side being the contact side of the hair cutter body of the suction case and the other side being the side, so both sides of the front end of the suction case should be formed. Can be thinned, in narrow gap or the like between the ear and the head can plugging a hair cutter, is capable of performing haircut fine portion also no problem.

According to the hair cutter of the present invention, in addition to the effect of the first aspect, the triangular cross section of the suction flow path near the suction port has a base angle of 60 ° formed between the base and the side. And the cross-sectional area of the suction flow path from the hose connection portion to the suction port has an area of 100 mm ² or more, so that the ease of use of the hair cutter can be ensured, and the Normal operation of the suction machine is ensured.

[Brief description of the drawings]

FIG. 1 shows an embodiment of the present invention, in which (a)
Is a side sectional view, and (b) is an AA sectional view of (a).

FIG. 2 shows a hair cutter body according to the first embodiment;
(A) is a top view and (b) is a side view.

FIG. 3 is an exploded perspective view of the suction case.

4A and 4B show a state in which a switch cover is attached to the suction case of the above, wherein FIG. 4A is a side view and FIG.
Is a rear view, and (c) is a bottom view.

FIG. 5 is a side view showing the same hair cutter.

FIG. 6 is a graph illustrating an operation state of a suction device such as a vacuum cleaner, which is associated with a side of a cross-sectional area of the flow path of the above.

FIG. 7 is a graph illustrating usability of the hair cutter according to a change in the bottom angle of the suction port.

FIG. 8 is an explanatory diagram of the above.

FIGS. 9A and 9B show examples of the prior art, in which FIG. 9A is a side view and FIG. 9B is a top view.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Hair cutter body 2 Suction case 5 Cutting blade 6 Slide handle 11 Hose connection part 17 Switch cover 20 Suction port 22 Suction hose B Bottom angle

Continued on the front page (72) Inventor Shoji Fujikawa 1048, Kadoma Kadoma, Kadoma, Osaka Prefecture Inside the Matsushita Electric Works, Ltd. Reference) 3C056 LL05 LL11 LL37

Claims (2)

[Claims] 1. A suction case is mounted along a hair cutter body having a cutting blade for cutting hair at a front end thereof, and a suction port for cutting hair is provided at a front end corresponding to the cutting blade of the suction case, and general household cleaning is performed. In a hair cutter provided with a hose connection part capable of connecting a suction hose connected to a suction machine such as a suction machine in a suction case, the suction port forms a surface in a direction substantially perpendicular to a projecting direction of the cutting blade, and the suction port A hair cutter characterized in that a cross-sectional shape of a suction case in the vicinity is formed in a triangular shape such that a side of the suction case which contacts the hair cutter body and a side of which is the other side. 2. The suction flow path in the vicinity of the suction port has a triangular cross section with a base angle of 60 ° or less between the base and the side, and the suction flow path from the hose connection to the suction port has a cross-sectional area of 100 m.
hair cutter according to claim 1, characterized in that with m ² or more areas.