JP6236279B2 - Razor head protective cover, replacement blade storage case and razor with cap - Google Patents

Description

The present invention relates to a protective cover such as a cap that can accommodate a razor head such as a replaceable blade that can be detachably connected to a holder, and a replaceable blade storage case that can store and store a plurality of replaceable blades. And a razor with a cap having such a cap .

  In the replaceable blade storage case according to Patent Document 1 below, the bottom wall, the peripheral wall provided on the outer periphery of the bottom wall, the storage provided on the inside of the bottom wall and the peripheral wall, and the bottom wall A plurality of caps each having an opening having an opening that is opposed to each other are arranged, and each cap is detachably connected by a connecting portion provided on a peripheral wall portion of caps adjacent to each other. The replacement blade can be accommodated and stored in the accommodating portion of the cap. These caps can also be used when housing a replaceable blade that can be detachably connected to a holder in a razor.

  The peripheral wall portion of the cap has four gripping side portions arranged in an annular manner through corner portions. When one of the two gripping side portions located on both sides of the blade in the direction orthogonal to the extending direction of the blade tip of the replaceable blade is housed in the cap housing portion, the replaceable blade There is provided a locking portion that can be detachably locked.

  Further, in the replaceable blade housing case according to Patent Document 2 below, the replaceable blade is housed in the cap housing portion on the two gripping side portions located on both sides in the direction along the blade tip extending direction of the blade body in the replaceable blade. When it does, the latching | locking part which can latch the replacement blade so that attachment or detachment is possible is provided.

No. 5-3135 Japanese Patent Laid-Open No. 50-47746

  However, when the replacement blade is housed in the cap housing portion, if the gripping side portion of the peripheral wall portion of the cap is gripped, the gripping side portion bends toward the housing portion side, so that the gripping side portion having the locking portion is elastic. It may become difficult to deform, and there is a risk of hindering the attachment / detachment of the replacement blade with respect to the locking portion of the cap.

The object of the present invention is to detach the razor head from the razor head protective cover, attach / detach the replaceable blade to / from the replaceable blade storage case, and attach / detach the razor head to / from the cap of the razor with cap .

The present invention will be described with reference to the reference numerals of the drawings (FIGS. 1 to 9) of the embodiments described later.
The razor head protective cover (21, 42) according to the invention of claim 1 includes a bottom wall portion (22), a peripheral wall portion (23) provided on an outer periphery of the bottom wall portion (22), and a bottom wall portion (22). and a housing portion provided on the inner side of the peripheral wall (23) and (24), receiving unit (24) an opening which is open opposite the bottom wall (22) and (25), as follows It is configured.
The peripheral wall portion (23) is a boundary between four gripping side portions (26, 27, 28, 29) arranged continuously in a ring shape and both gripping side portions (26, 27, 28, 29) adjacent to each other. And four corners (30) provided in the section . When the razor head (12) having the blade (14) at the four corners (30) is accommodated in the accommodation part (24) from the opening (25) , the razor head (12) can be attached and detached. Locking portions (34, 35, 36, 37) that can be locked are provided . Of the four corners (30), the locking parts (34, 36) provided at the two corners (30) at the diagonal positions are capable of locking the razor head (12) by elastic deformation. An elastic piece (40) that can be in a stopped state and an unlocked state that can release the locking to the razor head (12) against elasticity is provided by a notch hole (39), and is in another diagonal position. The locking portions (35, 37) provided at the two corners (30) are provided with protrusions (41).

The invention of claim 1 has the following features (a) to (c).
(A) The locking portions (34, 35, 36, 37) were provided not at the gripping side portions (26, 27, 28, 29) but at the corner portions (30). Therefore, even when the gripping side portions (26, 27, 28, 29) are gripped, the corner portion (30) is less susceptible to the adverse effects of the gripping, and the locking portions (34, 35) of the protective cover (21, 42). , 36, 37), the razor head (12) can be attached and detached without hindrance.

(B) Of the four corners (30), the razor head (12) is locked by elastic deformation to the locking parts (34, 36) provided at the two corners (30) at diagonal positions. An elastic piece (40) that can be in a locked state that can be released and a non-locked state that can be released from the lock against the razor head (12) against elasticity is provided by a notch hole (39), and the other diagonal Protrusions (41) are provided on the locking portions (35, 37) provided at the two corners (30) in position. When the two gripping side portions (26, 27, 28, 29) opposed to each other among the four gripping side portions (26, 27, 28, 29) are gripped, the diagonal portion of the four corner portions (30) is diagonal. The two corners (30) at the position and the two corners (30) at the other diagonal positions are less likely to be adversely affected by the gripping, and the elastic deformation degree can be maintained. Therefore, the razor head (12) can be attached to and detached from the locking portions (34, 35, 36, 37) of the protective cover (21, 42) without any trouble.

(C) Of the four corners (30), the elastic pieces (40) are provided by the notch holes (39) in the locking portions (34, 36) provided at the two corners (30) at the diagonal positions. Protrusions (41) are provided on the locking portions (35, 37) provided at the two corners (30) at the other diagonal positions. Therefore, when the two gripping side portions (26, 27, 28, 29) facing each other among the four gripping side portions (26, 27, 28, 29) are gripped, the peripheral wall portion (23) is biased and deformed. The razor head (12) can be attached to and detached from the locking portions (34, 35, 36, 37) of the protective cover (21, 42) without any trouble.

In the invention of claim 2 premised on the invention of claim 1, the bottom wall portion (22) is provided with a notch hole (38) facing each locking portion (34, 35, 36, 37). In the invention of claim 2, the razor head (12) can be visually recognized through the notch hole (38) of the bottom wall portion (22).

In the replaceable blade housing case (42) according to the invention of claim 3 , the razor head that can be housed in the razor head protective cover (21) according to the invention of claim 1 or 2 is provided with respect to the holder (1). A replaceable blade (12) that can be detachably connected, wherein a plurality of the razor head protective covers (21) are arranged side by side and connected to the peripheral wall portion (23) of both razor head protective covers (21) adjacent to each other ( 31 and 32), each razor head protective cover (21) can be detachably connected. In invention of Claim 3 , a some razor head protective cover (21) can be utilized also as a replaceable blade accommodating case (42).

In the replaceable blade storage case (42) according to the invention of claim 4 premised on the invention of claim 3, the connecting parts (31, 32) are provided on the gripping side parts (26, 27) of the peripheral wall part (23). It has been. In invention of Claim 4 , it is easy to connect a razor head protection cover (21) so that attachment or detachment is possible.

In the replaceable blade housing case (42) according to the invention of claim 5 based on the invention of claim 3 or claim 4, the razor head protective cover (21) that can be connected to each other by the connecting portions (31, 32). Can be attached to and detached from each other in the circumferential direction of the bottom wall portion (22). In invention of Claim 5 , it can be set as the replaceable blade accommodating case (42) which aligned the direction of the opening part (25) in a some razor head protection cover (21).

In the razor with a cap according to the invention of claim 6 , the razor head protective cover according to the invention of claim 1 or 2 is a cap (21), and the cap (21) and the head (3). And a holder (1) having a razor head (12), and the cap (21) can be detachably supported to the razor head (12). In invention of Claim 6 , the effect of invention of Claim 1 or Claim 2 can be exhibited in a razor with a cap.

In the invention of claim 7 based on the invention of claim 6, the razor head is a replaceable blade (12) that can be detachably connected to the holder (1). In invention of Claim 7 , the effect of invention of Claim 1 or Claim 2 can be exhibited in a replaceable blade type razor.

In the peripheral wall portion (23) of the cap (21) according to the eighth invention based on the invention of claim 6 or claim 7 , with respect to the height from the bottom wall portion (22) to the opening portion (25), Of the four gripping side portions (26, 27, 28, 29) arranged in a ring shape through the corner portion (30), the razor head (12) is accommodated in the accommodating portion (24) of the cap (21). The two gripping sides (26, 27) located on both sides of the razor head (12) in the direction (Z) orthogonal to the blade tip extending direction (Y) of the blade body (14), and the blade tip extension. Of the two gripping side portions (28, 29) located on both sides in the direction (Y) along the installation direction (Y), at least one gripping side portion (26 in one gripping side portion (26, 27)) 27) is at least one gripping side portion of the other gripping side portions (28, 29). 28, 29) and a set portion to a smaller height. In the eighth invention , for example, when the razor head (12) is supported on the cap (21) as shown in FIG. 2, the contact of the head (3) of the holder (1) with the cap (21) can be prevented. .

The present invention relates to the attachment / detachment of the razor head (12) to / from the razor head protective cover (21), the attachment / detachment of the replacement blade (12) to the replacement blade housing case (42), and the razor head ( 12) can be attached and detached without hindrance.

It is the assembly perspective view which looked at the razor with a cap from the front side. (A) is a partial assembly side view which shows the razor with a cap of FIG. 1, (b) is a partial assembly sectional view similarly. (A) is the partial disassembled perspective view which looked at the state which decomposed | disassembled the cap from the spare blade in the razor of FIG. 1 from the front side, (b) is the partial disassembled perspective view similarly seen from the back side. (A) is a partial exploded side view which shows the razor with a cap of FIG. 3, (b) is a partial exploded sectional view similarly. (A) is the partial exploded perspective view which looked at the state which decomposed | disassembled the replacement blade from the holder in the razor of FIG. 3 from the front side, (b) is the partial exploded perspective view similarly seen from the back side. (A) is a partial exploded side view which shows the razor with a cap of FIG. 5, (b) is a partial exploded sectional view similarly. (A) is an assembly perspective view which shows the replaceable blade accommodation case which mounted the some cap and connected the cap adjacent to each other so that attachment or detachment was possible, (b) is also a front view. It is a rear view which shows the state which accommodated the replacement blade in the cap. (A) is a rear view which shows the state which accommodated another replaceable blade in the cap, (b) is a perspective view which shows the replaceable blade.

Hereinafter, a cap razor according to an embodiment of the present invention will be described with reference to the drawings based on a neutral state when not in use.
A holder 1 shown in FIG. 1 has a grip portion 2 that is elongated in the vertical direction Z, and a head portion 3 that is provided at the upper end of the grip portion 2. The grip portion 2 includes a main portion 4 formed of a hard resin such as ABS resin, and a finger rest portion formed of a soft resin such as a rubber material, an elastomer resin, or a silicone resin and exposed to the outside of the main portion 4. 5. The head 3 has a support portion 6 that is integrally formed of the same material as the main portion 4 together with the main portion 4 of the gripping portion together with a hard resin. The support portion 6 is formed with an annular portion 6a. As shown in FIGS. 5 and 6, an elastic plate 8 is interposed between the outer periphery of the receiving tube portion 7 disposed at the center position of the annular portion 6a and the inner periphery of the annular portion 6a. The receiving tube portion 7 is formed of the same material as the main body portion 4 of the grip portion 2. The elastic plate 8 is integrally formed with the finger rest 5 of the grip 2 by a soft resin such as a rubber material, an elastomer resin, or a silicone resin. A connecting hole 9 opened in the front-rear direction X is opened inside the receiving tube portion 7 by a front attachment / detachment port 10 and a rear operation port 11.

  The replaceable blade 12 (razor head) includes a blade assembly portion 13 in which a plurality (four) of blade bodies 14 are assembled on the skin contact surface side, and a skin contact surface side (blade body 14) from the blade assembly portion 13. And a connecting protrusion 15 extending toward the support portion 6 of the head 3 on the opposite side to the side). The blade assembly 13 and the connecting projection 15 are formed of a hard resin such as ABS resin. The connecting protrusion 15 includes a guide part 17 extending from the blade base 16 of the blade assembly part 13, and a cantilever spring 18 (support part) integrally formed below the guide part 17. And an operating portion 19 extending upward from the free end side of the cantilever-like spring 18 facing the end portion side in the extending direction (front-rear direction X) of the guide portion 17. The operation unit 19 has a pressing surface 19 a that is inclined rearward and is separated from the skin contact surface side of the replaceable blade 12. The pressing surface 19a is formed in a concave shape so as to easily fit the finger pad, and is formed so as to intersect with the extending direction of the guide portion 17 (front-rear direction X). A step portion 20 (engagement / disengagement portion) is formed at the base end portion of the operation portion 19 on the free end side of the cantilever spring 18. The cantilever spring 18 has a notch 18 a between the blade assembly 16 and the blade base 16.

  As shown in FIGS. 3 and 4, when the connecting projection 15 of the replaceable blade 12 is held in the connecting hole 9 of the holder 1 inserted from the attaching / detaching port 10, the connecting blade 15 extends from the attaching / detaching port 10 to the operation port 11 side. Since the attachment / detachment opening 10 is widened by the notch 7a, the insertion can be easily performed. At the time of insertion, when the pressing surface 19a inclined by the operating portion 19 on the free end side of the cantilever spring 18 comes into contact with the rear end side of the notch portion 7a, the component force generated on the pressing surface 19a The cantilever-like spring 18 is deflected to the upper side approaching the guide portion 17 against the elastic force, and the lower surface of the operation portion 19 moves rearward while contacting the lower surface of the connecting hole 9. Thereafter, as the operation portion 19 protrudes to the outside of the operation port 11, the cantilever spring 18 returns to the lower side by its elastic force, and the step portion 20 is locked to the edge portion 11 a of the operation port 11. It becomes a locked state. In the holding state, the guide part 17 is inserted into the connection hole 9, the receiving cylinder part 7 is sandwiched between the blade base 16 of the blade assembly part 13 and the step part 20, and the operation part 19 is connected to the connection hole 9. It protrudes outward from the operation port 11 and is exposed.

  When the replaceable blade 12 is pressed against the skin surface and used in this holding state, the elastic plate 8 bends according to the direction and magnitude of the force generated in the replaceable blade 12, and the replaceable blade 12 can be swung in a three-dimensional direction. it can. The shavings that have flowed out of the blade base 16 of the blade assembly portion 13 during use can be discharged from the notch portion 18a of the cantilever spring 18.

  The pressing surface 19a of the operation part 19 is in the attaching / detaching direction of the connecting projection 15 along the front-rear direction X connecting the attaching / detaching port 10 of the connecting hole 9 and the operating port 11 and the extending direction of the guide part 17 (front-rear direction X). Therefore, if the pressing surface 19a is pressed forward along the attaching / detaching direction (front-rear direction X) of the connecting projection 15 by the operation port 11, the stepped portion 20 is locked to the edge 11a of the operation port 11. Even in the locked state, the pressing force applied to the pressing surface 19a acts as a force for releasing the locking and a force for pressing the replaceable blade 12 from the attachment / detachment port 10. By the pressing force, first, the cantilever spring 18 is bent upward so as to approach the guide portion 17, and the stepped portion 20 is brought into the non-locking state in which the stepped portion 20 is detached from the edge portion 11 a of the operation port 11. Furthermore, due to the pressing force, the connecting projection 15 is attached to the connecting hole 9 along the front-rear direction X connecting the attaching / detaching port 10 of the connecting hole 9 and the operation port 11 and the extending direction (front-rear direction X) of the guide portion 17. The replacement blade 12 can be separated from the holder 1 by being pushed out from the outlet 10.

  As shown in FIGS. 3 and 4, the cap 21 (protective cover) is formed of, for example, a hard resin such as polypropylene resin, and includes a bottom wall portion 22 and a peripheral wall portion 23 provided on the outer periphery of the bottom wall portion 22. The housing portion 24 is provided inside the bottom wall portion 22 and the peripheral wall portion 23, and the opening portion 25 opens the housing portion 24. The peripheral wall portion 23 includes a plurality of (four) gripping side portions (an upper gripping side portion 26, a lower gripping side portion 27, a left gripping side portion 28, and a right side) arranged in an annular manner in the circumferential direction of the bottom wall portion 22. The gripping side 29) and the gripping sides adjacent to each other (between the upper gripping side 26 and the left gripping side 28, between the left gripping side 28 and the bottom gripping side 27, and the lower gripping side A plurality of (four) corners 30 (boundary portions) provided between the right gripping side 29 and the right gripping side 29 and the upper gripping side 26. The length of the left and right grip sides 26 and 27 in the left and right direction Y is longer than the length of the right and left grip sides 28 and 29 in the vertical direction Z. Each corner 30 is formed in an arc shape with a small radius. On the upper and lower sides of the bottom wall portion 22, elongated holes 33 extending along the gripping side portions 26 and 27 on the upper and lower sides are formed. The air permeability of the accommodating portion 24 can be improved by the long hole 33. As shown in FIGS. 7B and 8, the bottom wall portion 22 and the peripheral wall portion 23 are provided with arrows 21 a extending in the circumferential direction.

  A connecting convex portion 31 extending in the circumferential direction of the bottom wall portion 22 is formed on one outer side of the grip side portions 26 and 27 on both upper and lower sides, and a connecting concave portion extending in the circumferential direction of the bottom wall portion 22 on the other outer side. 32 is formed. The connection convex part 31 is formed in the cross-sectional dovetail shape which has the guide part 31a on both sides of the front-back direction X. The guide portion 31a extends in the left-right direction Y from the insertion / removal port portion 31b on the right gripping side portion 29 side to the closing portion 31c on the left gripping side portion 28 side. The closing part 31c is formed with a stopper 31d that closes one of the front and rear guide parts 31a. Moreover, the connection recessed part 32 is formed in the cross-sectional dovetail shape which has the guide part 32a on the both sides of the front-back direction X. As shown in FIG. The guide portion 32a extends in the left-right direction Y from the insertion / removal port portion 32b on the left gripping side portion 28 side to the closing portion 32c on the right gripping side portion 29 side. The insertion / removal port portion 32b is formed with a cutout portion 32d that cuts out one of the front and rear guide portions 32a.

  The cap 21 is provided with locking portions 34, 35, 36, and 37 at the four corners 30. The bottom wall portion 22 is provided with a notch hole 38 that faces each of the locking portions 34, 35, 36, and 37. Of the four corners 30, the locking portions 34, 36 of the two corners 30 at the diagonal positions are provided with cantilever-like elastic pieces 40 by notch holes 39 continuing to the notch holes 38 of the bottom wall part 22. A protrusion 41 is provided adjacent to the notch hole 38 of the bottom wall portion 22 at the locking portions 35 and 37 of the two corner portions 30 at other diagonal positions.

  In the cap 21, when the upper gripping side portion 26 having the connecting convex portion 31 and the lower gripping side portion 27 having the connecting concave portion 32 are arranged upside down, the elastic piece is located at the old position of the locking portion 34 having the elastic piece 40. The engaging portion 36 having the protrusion 40 is disposed at the old position of the engaging portion 36, and the engaging portion 37 having the protrusion 41 is provided at the old position of the engaging portion 37. Since the stopper 35 is disposed and the engaging portion 37 is disposed at the old position of the engaging portion 35, the arrangement relationship between the elastic pieces 40 and the protrusions 41 is completely the same in the accommodating portion 24. is there.

  As shown in FIG. 7, a plurality of caps 21 are arranged side by side, and of both caps 21 adjacent to each other, the insertion / removal port 31 b of the connecting convex portion 31 in the gripping side portion 26 of one cap 21 and the gripping of the other cap 21 In a state where the insertion / removal port 32b of the connection recess 32 in the side portion 27 is opposed, both guide portions 31a of the connection protrusion 31 are inserted into both guide portions 32a of the connection recess 32 from the notches 32d of the connection recess 32. The insertion / removal port 31 b of the connection convex portion 31 is in contact with the closing portion 32 c of the connection recess 32, and the insertion / removal port 32 b of the connection recess 32 is aligned with the closure portion 31 c of the connection protrusion 31. When the stopper 31d is slid in the direction of the arrow 21a in the circumferential direction of the bottom wall 22 and the peripheral wall 23 until the stopper 31d enters and contacts the notch 32d of the coupling recess 32, each cap 1 may be provided blade housing case 42 is set to. Incidentally, at the time of sale of the product, one cap 21 accommodating the replaceable blade 12 is connected to the head 3 of the holder 1, and a replaceable blade accommodating case 42 accommodating the replaceable blade 12 is packaged in addition to the cap 21. . When one of the caps 21 adjacent to each other in the replaceable blade storage case 42 is slid in the direction of the arrow 21a with respect to the other, the cap 21 can be sequentially separated from the replaceable blade storage case 42. As shown in FIG. 4, if the front outer surface of the bottom wall 22 and the front outer surfaces of the lower gripping side 27 and the connecting recess 32 are formed on the plane A in the cap 21, as shown in FIG. Since there is no step on the front outer surface of the replaceable blade housing case 42, it is easy to grip and difficult to enter dust. On the other hand, the rear outer surface of the lower gripping side portion 27 and the connecting concave portion 32 and the rear outer surface of the upper gripping side portion 26 and the connecting convex portion 31 are formed on the same plane B.

  Further, when the closing portion 31c of the connecting convex portion 31 in the gripping side portion 26 of one cap 21 and the insertion / removal port portion 32b of the connecting concave portion 32 in the gripping side portion 27 of the other cap 21 are opposed to each other, Since the stopper 31 d of the convex portion 31 abuts on the guide portion 32 a of the connecting concave portion 32, the both guide portions 31 a of the connecting convex portion 31 cannot be inserted into the both guide portions 32 a of the connecting concave portion 32.

Next, an operation when the replaceable blade 12 is accommodated or removed from the cap 21 or the replaceable blade accommodating case 42 will be described with reference to FIG.
When the replaceable blade 12 is housed in the housing portion 24 by holding the gripping side portions 26, 27 on both the upper and lower sides or the gripping side portions 28, 29 on both the left and right sides of the cap 21 or the replaceable blade housing case 42 with both fingers. The hook portions 43 provided at the four corners of the blade base 16 of the attaching portion 13 correspond to the locking portions 34, 35, 36, and 37 of each corner portion 30, and are locked at the two corner portions 30 at diagonal positions. It is latched by the elastic piece 40 of the parts 34 and 36, and is latched by the protrusion 41 of the latching parts 35 and 37 in the other two corners 30 in the diagonal position.

  Further, when the replaceable blade 12 is taken out from the accommodating portion 24 while holding the gripping side portions 26 and 27 on both the upper and lower sides or the gripping side portions 28 and 29 on both the left and right sides with both fingers, the hooking portion 43 is locked to the elastic piece 40. At the same time, the hooking portion 43 is unlocked from the protrusion 41.

  Thus, even when the gripping side portions 26 and 27 on both the upper and lower sides or the gripping side portions 28 and 29 on both the left and right sides are sandwiched by both fingers, the corner portion 30 having the cutout holes 39 and the elastic pieces 40 of the locking portions 34 and 36. Since a pinching force is difficult to be applied, the elastic deformation is not hindered. On the other hand, since the corner portion 30 having the protrusion 41 of the locking portions 35 and 37 is not elastically deformed so much, unlike the corner portion 30 having the notch hole 39 and the elastic piece 40 of the locking portions 34 and 36, an adverse effect due to the clamping force. There is no. Even if the upper gripping side portion 26 and the lower gripping side portion 27 of the cap 21 are arranged upside down, the replaceable blade 12 can be similarly accommodated in the cap 21.

  Even if the replaceable blade 12 is accommodated in the cap 21, the replaceable blade 12 can be separated from the holder 1 together with the cap 21, or connected to the holder 1 in a state where the replaceable blade 12 is accommodated in the cap 21 and taken out from the cap 21.

This embodiment has the following effects.
(1) It can be used as a replaceable blade housing case 42 in which a plurality of razor caps 21 are arranged side by side and are detachably connected.

(2) When the replaceable blade 12 is accommodated in the accommodating portion 24 in the cap 21 or the replaceable blade accommodating case 42, the retaining portions 34, 35, 36, and 37 that can removably retain the replaceable blade 12 are gripped side portions 26, 27, 28, and 29, provided at the corner 30 , the corner 30 having the locking portions 34, 35, 36, and 37 even when the gripping sides 26, 27, 28, and 29 are gripped , It becomes difficult to be adversely affected by the gripping, and the degree of elastic deformation can be maintained. Therefore, the replacement blade 12 can be attached to and detached from the locking portions 34, 35, 36, and 37 of the cap 21 or the replacement blade housing case 42 without any trouble.

  (3) In the locking portions 34 and 36 having the elastic pieces 40 in the cap 21 or the replaceable blade housing case 42, the corner portion 30 further maintains the degree of elastic deformation and the locking portions 34 and 35 of the cap 21. , 36 and 37 can be easily attached and detached.

  (4) In the cap 21 or the replacement blade housing case 42, the bottom wall portion 22 is provided with the notch holes 38 facing the locking portions 34, 35, 36, and 37, so 12 and the elastic piece 40 can be easily formed.

  (5) Since the elastic pieces 40 of the locking portions 34 and 36 are provided at the two corner portions 30 at the diagonal positions among the four corner portions 30 in the cap 21 or the replaceable blade housing case 42, the four grip side portions are provided. 26, 27, 28, and 29, when the two opposing gripping sides 26, 27, 28, and 29 are gripped with both fingers, the peripheral wall portion 23 is prevented from being biased and deformed, and the replaceable blade for the elastic piece 40 12 can be attached and detached without hindrance.

For example, the following embodiment may be configured as follows .

As shown in FIG. 9, instead of the four-blade replaceable blade 12, a five-blade replaceable blade 12 having a slightly different form can be accommodated in the cap 21 or the replaceable blade accommodating case 42.
-About the corner 30 formed in the circular arc shape with a small radius, you may change the radius, or you may change into the corner | angular part which crossed both holding | grip sides at about 90 degree | times.

For each gripping sides 26, 27, 28, 29 of the cap 21, not only linear shape, may be changed into a shape curved outward or inward.

The connecting convex portion 31 and the connecting concave portion 32 of the cap 21 may be provided on both the left and right gripping side portions 28 and 29 in addition to the upper and lower gripping side portions 26 and 27.
-Both caps 21 may be connected by concave / convex fitting, magnets, surface fasteners, or the like in addition to the sliding connection between the connecting convex portion 31 and the connecting concave portion 32.

DESCRIPTION OF SYMBOLS 1 ... Holder, 12 ... Replacement blade (razor head), 14 ... Blade body, 21 ... Cap (razor head protection cover), 22 ... Cap bottom wall part, 23 ... Cap peripheral wall part, 24 ... Cap accommodating part, 25 ... Opening of cap, 26, 27, 28, 29 ... Gripping side part of peripheral wall part, 30 ... Corner part (boundary part) of peripheral wall part, 31 , 32 ... Connection part, 34 , 35 , 36 , 37 ... Corner part 38 ... Notch hole in the bottom wall part, 39 ... Notch hole in the locking part, 40 ... Elastic piece in the locking part , 41 ... Projection in the locking part, 42 ... Replacement blade housing case (razor head) Protective cover).

Claims (7)

Protection having a bottom wall portion, a peripheral wall portion provided on the outer periphery of the bottom wall portion, a storage portion provided inside the bottom wall portion and the peripheral wall portion, and an opening portion that opens the storage portion so as to face the bottom wall portion. In the cover,
The peripheral wall portion has four gripping side portions arranged continuously in a ring shape, and four corner portions provided at a boundary portion between both gripping side portions adjacent to each other,
At the four corners , when a razor head having a blade body is accommodated from the opening in the accommodating portion, a locking portion that can detachably lock the razor head is provided,
Of the four corners, the locking parts provided at the two corners in the diagonal position are locked to the razor head against elasticity and locked to the razor head against elasticity. An elastic piece that can be in a non-locking state that can be released is provided by a notch hole, and a protrusion is provided at a locking part provided at two corners at other diagonal positions. Razor head protective cover. The razor head protective cover according to claim 1 , wherein the bottom wall portion is provided with a notch hole facing each locking portion . The razor head that can be accommodated in the razor head protective cover according to claim 1 or 2 is a replaceable blade that can be detachably connected to the holder, and a plurality of the razor head protective covers are arranged side by side so as to be adjacent to each other. A razor head protective cover, wherein each razor head protective cover can be detachably connected by a connecting portion provided on a peripheral wall portion of the razor head protective cover. The said connection part is provided in the holding | grip side part of the surrounding wall part, The replaceable blade accommodating case of Claim 3 characterized by the above-mentioned. 5. The replaceable blade storage case according to claim 3, wherein the two razor head protective covers that can be connected to each other in the connecting portion can be attached to and detached from each other in the circumferential direction of the bottom wall portion. The razor head protective cover according to claim 1 or 2 is a cap, and includes a cap and a holder having a razor head at the head, and the cap can be detachably supported with respect to the razor head. A razor with a cap characterized by. The razor head with a cap according to claim 6, wherein the razor head is a replaceable blade that can be detachably connected to a holder.