JP5132219B2 - Cutter blade case - Google Patents

Description

  The present invention relates to a cutter blade case that houses a cutting piece of a blade plate when the blade plate inserted into the blade plate insertion port is cut.

Conventionally, in Patent Document 1 below, a tail plug attached to a cutter knife holder is used as a blade folding tool. In the blade folding tool, the blade inserted through the slit can be bent and cut, and the cut blade piece can be accommodated in the cavity.
JP 2003-245482 A

In Patent Document 1, when the cutter knife is gripped and the blade body is inserted into the slit and bent, the cutter knife becomes unstable and the usability may be deteriorated.
The object of the present invention is to stabilize the cutting operation of the blade plate when using the cutter blade case and to improve the usability.

The present invention will be described with reference to the reference numerals of the drawings (FIGS. 1 to 6) of the embodiments described later.
The cutter broken blade case 1 according to the invention of claim 1 is configured as follows.
Only set the blade housing portion 2 fold with a blade plate insertion slot 8, insertion and removal direction X of the cutter 23 to cutter receiver 11 with respect to the folding blade housing portion 2 supporting the cutter 23 provided with a blade plate 26 to the holder 24 supports so moved can be capable of cleaving a blade plate 26 that is inserted into the blade plate insertion opening 8 with juxtaposed along. The cutter receiving portion 11 has support surfaces 17 a and 17 b that support the outer peripheral portion of the holder 24 of the cutter 23 when the blade plate 26 of the cutter 23 is inserted into the blade plate insertion port 8 of the folded blade storage portion 2. An opening 17 is provided facing the blade plate insertion opening 8.

In the invention of claim 1, when the cutter receiver 11 is moved together with the cutter 23 while supporting the cutter 23 with the cutter receiver 11, a cutting force is applied to the blade plate 26 at the blade plate insertion opening 8, thereby cutting the blade plate 26. Since the cutting piece of the blade plate 26 is folded and stored in the blade storage portion 2, the cutting operation of the blade plate 26 can be performed with good stability. Further, when the cutter 23 is supported by the cutter receiving portion 11, the blade plate 26 is easily folded and inserted into the blade plate insertion port 8 of the blade storage portion 2. Furthermore, the holder 24 of the cutter 23 can be stably supported by the holding port 17 of the cutter receiving portion 11 with the blade plate 26 of the cutter 23 inserted into the blade plate insertion port 8.

  In the second invention based on the first invention, the cutter receiving portion 11 can move in a bending direction R in which the blade plate 26 is folded and cut. In the invention of claim 2, the cutter receiving portion 11 is moved in the bending direction R of the blade plate 26, so that the moving force of the cutter receiving portion 11 is easily transmitted as the cutting force of the blade plate 26.

  In the invention of claim 3 based on the invention of claim 2, the cutter receiving portion 11 is supported so as to be rotatable in a bending direction R with respect to the folding blade storage portion 2. In the invention of claim 3, the blade plate 26 is easily bent by the rotation of the cutter receiving portion 11.

The invention according to claim 4 , which is based on the invention according to any one of claims 1 to 3 , wherein the cutter receiving portion 11 is an insertion / removal port for inserting / removing the holder 24 of the cutter 23 into / from the holding port 17. 16. In the invention of claim 4 , the insertion / removal port 16 facilitates the insertion / removal of the holder 24 with respect to the holding port 17.

Next, technical ideas other than the claims will be described with reference to the reference numerals in the drawings of the embodiments.
According to a fifth aspect of the invention based on any one of the first to fourth aspects, the cutter receiving portion 11 has a movement restricting portion 12a for restricting movement in the bending direction R. In the fifth aspect , the movement restricting portion 12a can prevent the cutter receiving portion 11 from being damaged.

The invention according to any one of claims 1 to 4 , or a sixth invention based on the fifth invention , wherein the cutter receiving portion 11 is a flexible piece connected to the folding blade storage portion 2. It has the board part 20, and is supported by the flexible board part 20 so that the folding blade accommodating part 2 is movable. In 6th invention , the support structure of the cutter receiving part 11 with respect to the folding blade accommodating part 2 can be simplified.

The invention according to any one of claims 1 to 4 , or the seventh invention based on the fifth or sixth invention , wherein the blade plate 26 of the cutter 23 is connected to the folding blade storage portion 2. There is provided a stopper portion 33 that abuts the holder 24 of the cutter 23 when it is inserted into the blade plate insertion port 8 and restricts the movement of the holder 24. In the seventh invention , the holder 24 is positioned by the stopper portion 33 so that the insertion dimension of the blade plate 26 from the blade plate insertion port 8 and the cutting position of the blade plate 26 can be easily determined.

In the invention according to any one of claims 1 to 4 or the eighth invention based on any one of the fifth to eighth inventions , in the thickness direction of the blade plate 26. One of the side surfaces 28, 29 is provided with a fold line 32, and the blade plate insertion port 8 of the fold blade storage portion 2 has support surfaces 8 a, 8 b that support the one side surface 28 having the fold line 32. doing. In the eighth invention , the blade plate 26 is easily cut.

  The present invention makes it possible to stabilize the cutting operation of the blade plate 26 and improve the usability when using the cutter blade case 1.

A cutter blade case according to an embodiment of the present invention will be described below with reference to the drawings.
In the folding blade storage part 2 of the cutter folding blade case 1 shown in FIG. 1, as shown in FIG. 2, the box part 3 having the lower bottom wall part 4 and the outer peripheral wall part 5 and the bottom wall part 4 An upper cover wall portion 6 is provided, and a storage chamber 7 surrounded by the box portion 3 and the cover wall portion 6 is provided. A front wall portion 5 a having a blade plate insertion port 8 is formed on the front side of the outer peripheral wall portion 5. The blade plate insertion port 8 is surrounded by a lower surface 8a on the bottom wall portion 4 side, an upper surface 8b on the lid wall portion 6 side, and left and right side surfaces 8c and 8d between the upper and lower surfaces 8b and 8a. The storage chamber 7 is opened in the front-rear direction X with an inclination of about 60 degrees. On the outer side of the bottom wall portion 4 and the lid wall portion 6, a non-slip uneven portion 9 is formed on the opposite side to the mouth wall portion 5a, and between the non-slip uneven portion 9 and the mouth wall portion 5a. An uneven blade plate display unit 10 having a non-slip function is formed.

  In the cutter receiving part 11 of the cutter broken blade case 1 shown in FIG. 1, as shown in FIG. 2, the lower wall part 12, the upper wall part 13, and the left and right side wall parts 14 between the upper and lower wall parts 13, 12, The holding port 17 is formed on the rear side of the insertion / removal port 16 and faces the blade plate insertion port 8 of the mouth wall portion 5a. The holding port 17 is surrounded by a lower surface 17a on the lower wall portion 12 side, an upper surface 17b on the upper wall portion 13 side, and left and right side surfaces 17c and 17d between the upper and lower surfaces 17b and 17a. The insertion / removal port 16 is opened to the blade plate insertion port 8 side in the front-rear direction X with an inclination. An arrow 18 facing the mouth wall 5a side of the folding blade storage portion 2 is formed outside the upper wall portion 13, and an arrow 19 facing the lower wall portion 12 side is formed outside the left and right side wall portions 14 and 15. Is formed. The opening area of the holding port 17 is smaller than the opening area of the insertion / removal port 16, and the opening area of the blade plate insertion port 8 is smaller than the opening area of the holding port 17.

  The mouth wall portion 5 a of the folding blade storage portion 2 and the lower wall portion 12 of the cutter receiving portion 11 are connected to each other by a flexible plate portion 20. The flexible plate portion 20 is inclined along the blade plate insertion port 8 and the holding port 17 below the blade plate insertion port 8 and the holding port 17 and extends in a strip shape in the left-right direction Y. It has flexibility. The folding blade storage portion 2 and the cutter receiving portion 11 are aligned with each other in the front-rear direction X via the flexible plate portion 20, and between the mouth wall portion 5 a of the folding blade storage portion 2 and the cutter receiving portion 11. The flexible plate portion 20 has a gap 21 therebetween, and the flexible plate portion 20 has a gap 22.

  Incidentally, the box part 3 (the bottom wall part 4 and the outer peripheral wall part 5), the flexible plate part 20, and the cutter receiving part 11 of the folding blade storage part 2 are integrally formed of polypropylene resin, and similarly formed of polypropylene resin. The lid wall portion 6 is fixed to the outer peripheral wall portion 5. The lid wall portion 6 may be detachably supported with respect to the outer peripheral wall portion 5. In this case, the folding blade can be taken out from the folding blade storage portion 2 and discarded. The inside of the folding blade storage unit 2 (the storage chamber 7 and the blade plate insertion port 8 and the like) and the inside of the cutter receiving unit 11 (the insertion / removal port 16 and the holding port 17 and the like) can be viewed from the outside. May be.

  In the cutter 23 shown in FIGS. 3A and 3B, the blade plate 26 and the slider 27 are inserted into the guide groove 25 formed in the holder 24, and the base end portion of the blade plate 26 is the slider 27. Are detachably connected to each other. In the blade plate 26, a plurality of broken lines 32 formed between the blade edge 30 and the back edge 31 are formed on one of the side surfaces 28 and 29 on both sides in the thickness direction with respect to the front-rear direction X. It is inclined at an angle from the front end to the base end. This slider 27 can be moved stepwise by the interval of each broken line 32 of the blade plate 26. When the slider 27 is moved stepwise along the guide groove 25 of the holder 24, the blade plate 26 is also moved stepwise along the guide groove 25, and the blade plate 26 can be taken in and out of the holder 24. At the same time, the projecting dimension of the blade plate 26 with respect to the head 24a of the holder 24 can be adjusted. In addition, in a state where each broken line 32 of the blade plate 26 is aligned with the leading edge of the head 24 a of the holder 24, the protruding dimension of the blade plate 26 is an integral multiple of the interval between the broken lines 32.

  As shown in FIGS. 1 (a), 3 (a), 4 (a) and 4 (b), when the cutter 23 is used for right-handed use, a slider 27 is provided on the left side of the holder 24 held in the right hand. Each fold line 32 is visible on the side surface 28 of the blade plate 26 which is located and becomes the slider 27 side. The holder of the cutter 23 with the lid wall portion 6 of the folding blade storage portion 2 and the upper wall portion 13 of the cutter receiving portion 11 facing upward and the slider 27 of the cutter 23 facing upward in the cutter folding blade case 1. When the head 24 a side of 24 is inserted into the holding port 17 from the insertion / removal port 16 of the cutter receiving portion 11, the head 24 a of the holder 24 is brought into contact with the outer peripheral edge portion 33 (stopper portion) of the blade plate insertion port 8. The movement of the holder 24 in the insertion direction is restricted, and the outer periphery of the head 24a faces each surface 17a, 17b, 17c, 17d (support surface) of the holding port 17 and protrudes from the head 24a. The blade plate 26 is folded from the blade plate insertion port 8 and inserted into the storage chamber 7 in the blade storage portion 2. In addition, since the space | interval of the up-down direction Z between the edge parts by the side of the insertion / removal port 16 between the lower surface 17a and the upper surface 17b of the holding port 17 spreads toward the insertion / removal port 16 side, the head of the holder 24 It is easy to insert the 24 a side into the holding port 17. The blade plate display portion 10 on the lid wall portion 6 of the folded blade storage portion 2 shows the arrangement state before the blade plate 26 is inserted, and the arrow 18 on the upper wall portion 13 of the cutter receiving portion 11 shows the insertion direction of the holder 24. . The insertion size of the blade plate 26 with respect to the blade plate insertion port 8 is changed by moving the slider 27 together with the blade plate 26 with respect to the holder 24 and adjusting the projection size of the blade plate 26 with respect to the head 24 a of the holder 24. Can do. In this insertion state, the side surface 29 of the blade plate 26 that does not have each fold line 32 faces the lower surface 8 a (support surface) of the blade plate insertion port 8, and the side surface 28 that has each fold line 32 has the blade plate insertion port 8. It faces the upper surface 8b (support surface), the blade edge 30 faces the left surface 8c (support surface) of the blade plate insertion port 8, the back edge 31 faces the right surface 8d (support surface) of the blade plate insertion port 8, One broken line 32 is aligned with the outer edge of the lower surface 8a and the upper surface 8b of the blade plate insertion opening 8 at the same inclination angle (about 60 degrees). Since the outer edge portions of the lower surface 8 a and the upper surface 8 b of the blade plate insertion opening 8 and the fold line 32 of the flexible plate portion 20 and the blade plate 26 are inclined at the same inclination angle, the insertion of the blade plate 26 into the blade plate insertion port 8 is performed. In this state, the broken line 32 is naturally aligned with the outer edge portion, and an operation for aligning the broken line 32 with the outer edge portion is not required, so that the usability can be improved. Incidentally, the thickness of the blade plate 26 is about 0.1 to 1 mm, and the distance between the lower surface 8a and the upper surface 8b at the blade plate insertion port 8 is about 1.2 to 5 times the thickness of the blade plate 26. .

  As shown in FIG. 4C, when the holder 24 is rotated downward from the inserted state, the flexible plate portion 20 is bent while the holder 24 is supported by the insertion / removal port 16 and the holding port 17 of the cutter receiving portion 11. The cutter receiving portion 11 is also turned downward with respect to the folding blade storage portion 2. Arrows 19 on the left and right side wall portions 14 and 15 of the cutter receiving portion 11 indicate the rotation direction (the bending direction R that rotates from the side surface 28 side having each folding line 32 to the side surface 29 side not having each folding line 32). . In the middle of the rotation, of the blade plate 26 protruding from the holder 24, the side surface 28 is supported by the inner edge portion of the upper surface 8 b of the blade plate insertion port 8 and the side surface 29 is formed on the outer edge portion of the lower surface 8 a of the blade plate insertion port 8. The blade plate 26 is supported by a bending stress, and the blade plate 26 is cut along the broken line 32. A cut piece of the blade plate 26 is stored in the folded blade storage portion 2. When the rear end corner portion 12a (movement restricting portion) of the lower wall portion 12 of the cutter receiving portion 11 rotates toward the gap 21 and comes into contact with the mouth wall portion 5a of the outer peripheral wall portion 5 of the folded blade storage portion 2, The rotation of the cutter receiver 11 is restricted.

  As shown in FIGS. 1B, 3B, and 5A and 5B, when the cutter 23 is used for left-handed use, the holder 24 is the same as when the cutter 23 is used for right-handed use. However, the blade plate 26 is turned upside down. Therefore, the slider 27 is positioned on the right side of the holder 24 held in the left hand, and each broken line 32 can be seen on the side surface 28 of the blade plate 26 opposite to the slider 27 side. The holder of the cutter 23 with the bottom wall portion 4 of the folding blade storage portion 2 and the lower wall portion 12 of the cutter receiving portion 11 facing upward and the slider 27 of the cutter 23 facing upward in the cutter folding blade case 1. When the head 24 a side of 24 is inserted into the holding port 17 from the insertion / removal port 16 of the cutter receiving portion 11, the head 24 a of the holder 24 is brought into contact with the outer peripheral edge portion 33 (stopper portion) of the blade plate insertion port 8. The movement of the holder 24 is restricted, and the outer peripheral portion of the head 24a faces each surface 17a, 17b, 17c, 17d (support surface) of the holding port 17, and the blade plate 26 protruding from the head 24a is provided. The blade is inserted into the storage chamber 7 in the blade storage part 2 from the blade plate insertion port 8. The blade plate display unit 10 on the bottom wall 4 of the folded blade storage unit 2 shows the arrangement state of the blade plate 26 before insertion. The insertion size of the blade plate 26 with respect to the blade plate insertion port 8 is changed by moving the slider 27 together with the blade plate 26 with respect to the holder 24 and adjusting the projection size of the blade plate 26 with respect to the head 24 a of the holder 24. Can do. In this insertion state, the side surface 28 having each fold line 32 of the blade plate 26 faces the upper surface 8 b (support surface) of the blade plate insertion port 8, and the side surface 29 not having each fold line 32 has the blade plate insertion port 8. It faces the lower surface 8a (support surface), the back edge 31 faces the right surface 8d (support surface) of the blade plate insertion port 8, the blade edge 30 faces the left surface 8c (support surface) of the blade plate insertion port 8, One broken line 32 is aligned with the outer edge of the lower surface 8a and the upper surface 8b of the blade plate insertion opening 8 at the same inclination angle (about 60 degrees).

  As shown in FIG. 5C, when the holder 24 is rotated upward from the inserted state, the flexible plate portion 20 is bent while the holder 24 is supported by the holding port 17 of the cutter receiving portion 11, and the cutter receiving portion. 11 also rotates upward with respect to the folding blade storage part 2. At that time, the holder 24 may be supported by the insertion / removal port 16 of the cutter receiving portion 11. Arrows 19 on the left and right side wall portions 14 and 15 of the cutter receiving portion 11 indicate the rotation direction (the bending direction R that rotates from the side surface 28 side having each folding line 32 to the side surface 29 side not having each folding line 32). . In the middle of the rotation, of the blade plate 26 protruding from the holder 24, the side surface 28 is supported by the inner edge portion of the upper surface 8 b of the blade plate insertion port 8 and the side surface 29 is formed on the outer edge portion of the lower surface 8 a of the blade plate insertion port 8. The blade plate 26 is supported by a bending stress, and the blade plate 26 is cut along the broken line 32. A cut piece of the blade plate 26 is stored in the folded blade storage portion 2. When the rear end corner portion 12a (movement restricting portion) of the lower wall portion 12 of the cutter receiving portion 11 rotates toward the gap 21 and comes into contact with the mouth wall portion 5a of the outer peripheral wall portion 5 of the folded blade storage portion 2, The rotation of the cutter receiver 11 is restricted.

  If the slider 27 of the cutter 23 in the state of FIG. 3 (b) is directed downward with respect to the folded blade case 1 in the state of FIG. 3 (a), the blade of the left-handed cutter 23 is provided. This cutter folding blade case 1 can be used when cutting the plate 26. Further, if the slider 27 of the cutter 23 in the state of FIG. 3A is directed downward with respect to the cutter broken blade case 1 in the state of FIG. 3B, the right-handed cutter 23 The cutter folding blade case 1 can be used when the blade plate 26 is cut.

  In short, in both the case of the right-handed cutter 23 and the case of the left-handed cutter 23, the blade plate display part 10 on the lid wall part 6 of the folding blade storage part 2 or the bottom wall part 4 of the folding blade storage part 2. If the blade plate 26 of the cutter 23 is arranged in accordance with the blade plate display portion 10 at the same time and the cutter 23 is rotated in the directions of the arrows 19 on the left and right side wall portions 14 and 15 of the cutter receiving portion 11, The blade plate 26 can be cut.

  Therefore, even when the cutter 23 is used for right-handed use or left-handed use, the cutting operation of the blade plate 26 can be stabilized and the usability can be improved when the cutter folded blade case 1 is used.

  The size of the cutter blade case 1 that can be held with one hand is preferable. For example, the dimension in the front-rear direction X is about 60 mm, the dimension in the left-right direction Y is about 20 mm, and the dimension in the vertical direction Z is about 15 mm. Further, in the folding blade storage part 2, the dimension in the front-rear direction X is about 45 mm, the dimension in the left-right direction Y is about 20 mm, and the dimension in the up-down direction Z is about 15 mm. Is about 20 mm, the dimension in the left-right direction Y is about 16 mm, and the dimension in the up-down direction Z is about 10 mm. Each dimension of the cutter receiving part 11 is smaller than each dimension of the folding blade storage part 2.

For example, the following embodiment may be configured as follows.
As shown in FIGS. 6A, 6B, and 6C, the shape of the holding port 17 is changed.
-The cutter receiver 11 is translated in the vertical direction Z with respect to the folding blade storage unit 2, the cutter receiver 11 is moved in a combined direction of rotation and translation, or the cutter receiver 11 is twisted. The blade plate 26 may be folded in the bending direction R and cut.

The blade plate 26 may be folded in the bending direction R and cut by rotating the cutter receiving portion 11 toward the gap 22 side.
-A broken line 32 may be formed on one of the side surfaces 28, 29 of the both side surfaces 28, 29 of the blade plate 26, or a broken line 32 may be formed on each of the side surfaces 28, 29. Then, the cutter receiving part 11 is rotated to the gap 21 side or the gap 22 side.

The insertion / removal port 16 may be omitted from the cutter receiver 11.
The folding blade storage portion 2 and the cutter receiving portion 11 are formed separately from each other, and the folding blade storage portion 2 and the cutter receiving portion 11 are connected to each other with a hinge structure using a pin instead of the flexible plate portion 20. May be.

The stopper portion 33 may be provided on the cutter receiving portion 11.
A shape that can be used as a tail plug that can be attached to and detached from the holder 24 of the cutter 23 may be changed.

The entire cutter blade case 1 may be formed of the same material (for example, metal) as the blade plate 26 of the cutter 23 so that they can be discarded at the same time.
-You may change the shape so that the cutter broken blade case 1 may be mounted and used without holding it.

  -The cutter 23 which cannot move the blade plate 26 with respect to the holder 24 may be sufficient. Moreover, you may utilize a part of blade board as a holder.

(A) is a perspective view which shows the front side of the cutter folding blade case concerning this embodiment, (b) is a perspective view which similarly shows the back side of a cutter folding blade case. (A) is sectional drawing which looked at the said cutter folding blade case from the side surface side, (b) is sectional drawing which cut | disconnected the said cutter folding blade case by the AA line of (a), and was seen from the plane side. Yes, (c) is a cross-sectional view of the cutter blade case cut along the line BB of (a) and viewed from the bottom side. (A) is a top view which shows the state before inserting the cutter in the said cutter folding blade case, when cutting the blade board of a right-handed cutter, (b) cuts the blade board of a left-handed cutter. It is a top view which shows the state before inserting the cutter in the said cutter folding blade case in the case. (A) is the fragmentary sectional view which looked at the state which inserted the right-handed cutter in the said cutter folding blade case from the plane side, (b) is the fragmentary sectional view similarly seen from the side surface, (c) is It is the fragmentary sectional view which looked at the bending middle state of the blade board inserted in the said cutter broken blade case from the side surface side. (A) is the fragmentary sectional view which looked at the state which inserted the left-handed cutter in the said cutter folding blade case from the plane side, (b) is the fragmentary sectional view similarly seen from the side surface, (c) is the above-mentioned It is the fragmentary sectional view which looked at the bending middle state of the blade board inserted in the cutter folding blade case from the side surface side. (A) is sectional drawing which looked at the cutter broken-blade case concerning another example of this embodiment from the side surface side, (b) is a plane which cut | disconnects the said cutter broken-blade case by CC line of (a). It is sectional drawing seen from the side, (c) is sectional drawing which cut | disconnected the cutter blade case concerning another example of this embodiment by the DD line of (a), and was seen from the bottom face side.

Explanation of symbols

  DESCRIPTION OF SYMBOLS 1 ... Cutter broken blade case, 2 ... Folded blade storage part, 8 ... Blade plate insertion port, 11 ... Cutter receiving part, 17 ... Holding port, 23 ... Cutter, 24 ... Holder, 26 ... Blade plate, R ... Bending direction, X: Cutter insertion / removal direction.

Claims (4)

Only set the blade housing portion broken with a blade plate insertion opening, the blade with a cutter-receiving portion for supporting the cutter having a blade plate in the holder, juxtaposed along the insertion and removal direction of the cutter relative to the breaking blade housing portion transfer and rotatably supported so as to cut the inserted blade plate to the plate insertion opening in the cutter-receiving portion, a cutter when inserting the blade plate of the cutter to the blade plate insertion port of the broken blade housing portion A cutter blade case characterized in that a holding port having a support surface for supporting the outer periphery of the holder is provided facing the blade plate insertion port . The said cutter receiving part can be moved to the bending direction which folds and cut | disconnects a blade board, The cutter broken blade case of Claim 1 characterized by the above-mentioned. The cutter blade case according to claim 2, wherein the cutter receiving portion is supported so as to be rotatable in a bending direction with respect to the folding blade storage portion. The cutter cutter blade case according to any one of claims 1 to 3, wherein the cutter receiving part has an insertion / removal opening for inserting / removing a holder of the cutter into / from the holding opening.

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