JPS6337021Y2 - - Google Patents

Description

[Detailed Description of the Invention] (Field of Industrial Application) The present invention relates primarily to a simple razor with a handle for women.

(Prior Art) Conventionally, this type of simple razor has a razor blade, a blade locking plate that positions the blade and has a protrusion parallel to the longitudinal direction of the blade, and a blade locking plate that guides the protrusion. The main body has a blade locking plate gripping part with a guide groove at the tip of the handle, and the blade locking plate that locks the blade is inserted and guided from the tip of the blade locking plate gripping part. is being held.

(Problem to be solved by the invention) However, in the simple razor according to the prior art as described above, the protrusion provided in the longitudinal direction of the blade of the blade locking plate is connected to the guide groove provided in the blade locking grip. Since the blade is inserted into the grip while being guided, it will not come out in a direction perpendicular to the longitudinal direction. There was a fear that it would fall out.

In addition to the above-mentioned structural reasons, this poses a problem in terms of production control, in that the gripping force on the blade locking plate may be small due to variations in the dimensions of the parts during mass production.

(Means for Solving the Problems) The present invention solves these problems, and eliminates the risk of the blade locking plate slipping out from the blade locking plate gripping portion during use, and is easy to manufacture and assemble. The purpose is to provide a simple razor that is quick and easy to use.A locking hole is provided in a part of the guide groove of the blade locking plate gripping part, and the blade locking plate is guided by this guide groove. The protrusion of the stop plate is elastically deformed during insertion to enable it to fit into the locking hole, and at the insertion completion position, it elastically recovers and protrudes beyond the side surface of the protrusion so that it can fit into the locking hole. It is provided with an elastic locking piece that locks.

The present invention will be explained below with reference to embodiments shown in the drawings.

(B) Configuration The razor body 1 of the simple razor A has a blade locking plate gripping part 3 bent at a small angle at the front end of the handle part 2.
It is integrally molded from a synthetic resin material so that the two parts are connected to each other.

The blade locking plate gripping part 3 has a substantially inverted U-shaped constant cross section that is open at the bottom and continues in the longitudinal direction, and the vertical middle part of the inner wall surface of the side wall part 4 on one side of the groove therein. A protrusion 5 that continues in the longitudinal direction is provided, the space above the protrusion 5 is used as a guide groove 6, and the space below forms a locking plate gripping groove 7 and the protrusion side of the guide groove. A locking hole 8 in the form of a longitudinally elongated hole passing through the side wall is bored in a portion near the front end of each wall portion 4, and the lower side wall portion 4' of the side wall portion 4 of the protrusion of the gripping groove 7 is formed. , the upper end of the outer surface is an outwardly directed stepped portion 9;
The lower part thereof is gently curved to near the vertical center plane of the gripping groove 7, and an inner wall surface 10 forms a blade body 11 to be described later.
It is formed so that it can be held in contact with one side of the

Also, the other side wall portion 1 of the groove inside the blade locking plate gripping portion 3
2 is formed to have a lower height than the opposing side wall portion 4, and an outwardly facing step portion 13 is provided on the outer surface thereof in correspondence with the step portion 9, and a grip groove 7 is provided below the step portion 2. The inner wall surface 14 is curved close to the vertical center plane of the blade locking plate 15, which will be described later. Cover covering surface 1 with an inverted U-shaped cross section where the upper outer peripheral surface of parts 9 and 13 is slightly concave.
6, and its rear end forms a gate-shaped cover abutting step portion 17 that connects with the step portions 9 and 5.

(See Figures 2, 3, 9, and 10) The cover 18, which has a length corresponding to the length of the cover covering surface 16 in the longitudinal direction, has an inverted U-shape with a depression below the metal plate. It is curved, and its inner surface 19 is press-fitted to the cover covering surface 16 of the blade locking plate gripping portion 3 .

(See Figures 8, 9, and 10) The blade body 11 is a normal rectangular razor blade with a blade part 11a on one of the long sides, and a positioning round hole 20a in the center of the surface. Also, on both sides thereof, horizontally long positioning holes 20b and 20c are provided. (See FIG. 7) As shown in FIGS. 4 to 7, the blade locking plate 15 has a rectangular plate shape, and its thickness is the same as the one shown in FIG. The blade 11 is attached to the one side surface 21 of the blade holding plate part 22 which has a thickness such that it can be gripped by the both side walls 4 and 12 of the gripping groove 7 of the blade locking plate gripping part 3 of the razor body 1 with an appropriate clamping force. Positioning round hole 20a and positioning long hole 20
Positioning pins 23a, 23b, 23c are provided protrudingly at positions corresponding to the blades 23b, 20c, and the blade locking plate of the razor body 1 is provided on the upper edge of the blade holding plate portion 22 over the entire length in the longitudinal direction. A protrusion 24 having a rectangular cross section is provided in a row along the guide groove 6 of the gripping part 3 and is slidably fitted into the guide groove 6 of the gripping part 3 .
When the blade is inserted into the blade locking plate gripping part 3, a portion corresponding to the locking hole 8 formed in the blade locking plate gripping part 3 is defined as a notch 25, and a notch in the rear stump is formed. The front part 26 is curved diagonally in the direction of the locking hole 8 to form a locking piece 27 which has elasticity and protrudes laterally.
When the cover 18 is attached to the blade locking plate gripping part 3,
A front end cover plate 28 having a shape and size that aesthetically covers the tip surface of the gripping part 3 and the cover 18 is vertically connected, and a blade locking plate 28 is provided on the lower side of the other side of the blade locking plate 15. Stepped portion 3 in contact with lower edge 29 of side wall of gripping portion 3
The entire blade locking plate 15 is integrally molded from a synthetic resin material so that a smooth surface is formed below which the side surface of the simple razor continues.

The simple razor A of the present invention includes the razor body 1, the blade 11, the cover 18, and the blade locking plate 15.
These members are assembled by the method described below.

First, the cover 18 is inserted from the front of the blade locking plate gripping part 3 of the razor body 1, so that the inner wall surface 19 covers the cover covering surface 16 of the gripping part 3, and both end surfaces are connected to the locking plate, respectively. Insert it while sliding it in contact with the upper surfaces of the step portions 9 and 13 provided on both side outer wall surfaces 4 and 12 of the gripping portion 3 until the rear end contacts the cover abutment step portion 17,
A cover 18 is attached to the razor body 1.

Next, the blade 11 is attached to a positioning pin 2 protruding from one side 21 of the blade retaining plate portion 22 of the blade locking plate 15.
Round holes 20 for positioning are provided in 3a, 23b, and 23c, respectively.
a and positioning long holes 20b and 20c, and attach it to the blade locking plate 15, and then attach the blade locking plate grip part 3.
Align the protrusion 24 of the blade locking plate 15 with the guide groove 6 of the blade locking plate gripping part 3 from the front of the blade locking plate 15, and align the lower edge 29 of the side wall 12 of the gripping part 3 with the blade locking plate 15. If you insert it so that it slides along the top surface of the stepped part 30,
The blade locking plate 15 and the blade 11 are guided by the guide groove 6 and fit into the blade locking plate gripping part 3, and at this time, the locking piece 27 is pressed against the wall surface of the guide groove 6 and forms a protrusion. Part 2
When the blade locking plate 15 is inserted to a predetermined position without being elastically deformed between both sides of the notch 25 of the blade locking plate 15 and causing a problem in insertion of the blade locking plate 15, the locking piece 27 The tip of the locking piece 27 fits into the front end of the locking hole 8, and the locking piece 27 elastically returns to its original state and fits into the locking hole 8, so that the blade locking plate 15 and the blade 11 are Even if a force is applied in the direction of pulling it out forward, the locking piece 27 and the front end of the locking hole 8 are engaged with each other to prevent the cover 18 from slipping out of the blade locking plate grip 3, The blade body 11 is held in contact with the back surface of the front end cover plate 28 and the cover abutment step part 17 and does not move in the front-rear direction, and the blade body 11 is secured to the blade body locking plate 15 by positioning pins 23a, 23b, and 23c.
In addition, since the locking plate 15 and the locking plate 15 come into pressure contact with the inner surfaces of both side walls of the locking plate gripping groove 7 of the blade locking plate gripping part 3, it is securely fixed within the blade locking plate gripping part 3. This constitutes the simple razor A of the present invention which cannot be disassembled.

In the embodiments described above, the protrusion 24 is cut out and the rear stump is curved to form the elastic locking piece 2.
7, the rear end of the spring steel piece is fixed to the tip of the protrusion 24 in a cantilever shape so that it slightly protrudes in the direction of the locking hole 8, and is engaged with the locking hole 8. You can.

(Effects) As described above, the simple razor of the present invention, in which the razor body 1, cover 18, blade locking plate 15, and blade 11 are assembled, has the guide groove 6 of the blade locking plate gripping portion 3 and the blade Fitting of the protruding portion 24 of the body locking plate 15 and the cover 1 press-fitted onto the upper part of the locking plate gripping portion 3
Pressure contact between the inner wall surfaces 10 and 14 of both side walls 4 and 12 of the locking plate grip part 3 pressed inward by the blade locking plate 15 and the blade locking plate 11, and the blade locking plate A locking hole 8 provided in the grip portion 3 and a blade locking plate 15
The blade locking plate 15 with the blade 11 mounted thereon is reliably fixed in the position of the razor body 1 by the locking piece 27 provided on the protrusion 24 of the razor to prevent it from coming off forward. The front end cover plate 28 provided on the blade locking plate 15 covers the front end surface of the razor body 1 to improve the appearance and prevents the cover 18 from coming off in the front and rear directions, making it possible to provide a simple razor that cannot be disassembled. It has excellent effects such as structuring.

In addition, when using the present invention, the weight of the cover 18 prevents the razor from rising above the shaving surface during use.
There are effects such as being able to easily and comfortably shave eyebrows and beards.

Furthermore, compared to the conventional simple razor method in which the blade is inserted between two blade retaining plates and then inserted into the razor body, the assembly work can be done quickly and reliably, with extremely high accuracy. This has excellent practical effects such as the ability to mass produce products.

[Brief explanation of drawings]

Figure 1 is a front perspective view of the present invention, Figures 2 and 3 are front and rear perspective views of the razor body, respectively, and Figure 4 is a front perspective view of the present invention.
Figure 5 is a front view and plan view of the blade locking plate, Figure 6 is a sectional view taken along line X-X in Figure 5, and Figure 7 is a state in which the blade is attached to the blade locking plate. Perspective view, No. 8
The figure is a perspective view of the cover, and FIGS. 9 and 10 are enlarged cross-sectional views taken along YY and ZZ lines in FIG. 1, respectively. DESCRIPTION OF SYMBOLS 1...Razor body, 2...Handle, 3...Blade body locking plate gripping part, 4...One side wall, 5...Protrusion, 6...Guide groove, 8...Latching hole , 11...Blade body, 12...Other side wall portion, 15...Blade body locking plate,
16...Cover covering surface, 17...Cover abutting step, 18...Cover, 21...One side, 22...
Blade holding plate portion, 24... Protrusion portion, 27... Locking piece portion, 28... Front end cover plate.

Claims (1)

[Scope of utility model registration request] One side wall part 4 and the other side wall part 12 lower than this
The cross section has an inverted U-shape with a slightly downward convergence, and the upper part of the outwardly facing step part 9, 13 provided corresponding to the outer surface of the vertically intermediate part of the side wall parts 4, 12 is located at the rear end of the step part. Cover abutting step portion 1 connecting rear end portions of 9 and 13
The cover covering surface 16 has an inverted U-shaped cross section with a slightly downward convergence of 7, and a protrusion 5 that continues in the longitudinal direction is provided at the vertically intermediate portion of the inner surface of the wall portion 4 on each side. A blade locking plate gripping portion 3 is formed in which the space is used as a guide groove 6 and a locking hole 8 in the form of a longitudinally elongated hole is provided in the front part of the side wall portion 4 above the protrusion portion 5. The razor body 1 is integrally molded so that the handle 2 is connected to the rear end of the gripping part 3, and the inner surface 19 is in pressure contact with the cover covering surface 16 with substantially the same length as the longitudinal direction of the cover covering surface 16. A cover 18 with an inverted U-shaped cross section and a concave lower part to be fitted, and a rectangular plate-shaped blade holding plate part 22 on one side 21, and a protrusion part on its upper edge that can be inserted into the guide groove 6. 24, and an elastically deformable locking piece 27 that protrudes laterally at the front of the protrusion 24, and the blade locking plate gripping portion 3 and the front end surface of the cover 18 are provided on the front end surface. It consists of a blade locking plate 15 and the blade 11 which are integrally formed so as to provide a front end cover plate 28 to cover the blade.The cover 18 is inserted into the blade locking plate gripping part 3 to hold the blade 11 The blade locking plate 15 that is attached to the plate part 22 is inserted from the front so that the protrusion 24 fits into the guide groove 6 of the blade locking plate gripping part 3, and when the insertion is completed, the front end lid body is inserted. 28 covers the front end surface of the blade locking plate gripping part 3, the locking piece 27 elastically returns and locks into the locking hole 8, and the cover 18 covers the back surface of the front end lid body 28 and the cover protrusion. A simple razor characterized in that a blade locking plate 15, which is held by a step part 17 and has a blade 11 fixed thereto, is fixed in a blade locking plate gripping part 3 of a razor body 1 in a manner that cannot be separated. .