JP2005342118A - Implement for cutter, and cutter - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To readily break a blade body, prevent the broken piece from scattering, and accurately storing the broken piece. <P>SOLUTION: A case A having a housing groove 1a for slidably housing a strip-shaped blade body is composed by detachably connecting a first case half body 1 having the housing groove 1a and a second case half body 2 having a hole 21 allowing the insertion of one end of the blade body therein and a hollow space 22 communicating with the hole 21. Breaking operation is performed by gripping the first and second case half bodies 1 and 2 with both hands, and the broken piece of the blade body is accurately stored from the hole 21 into the hollow space 22. <P>COPYRIGHT: (C)2006,JPO&NCIPI

Description

  The present invention relates to a blade tool having a case for slidably housing a belt-shaped blade body, an operation body for moving the blade body, and a blade using the same.

  The blade tool and the blade are substantially prismatic cases having a housing groove that slidably houses a blade body having a breaking groove that is separated in the longitudinal direction thereof, and the blade body is locked. (See, for example, Patent Document 1). There are also known a blade tool and a blade having a hole into which one end of the blade can be inserted and having a cap attached to the case for closing the one end of the receiving groove.

The blade tool and the blade configured in this way can push the operating body in the longitudinal direction of the housing groove by pushing the operating body in the longitudinal direction of the housing groove, and pull the operating body in the longitudinal direction of the housing groove. By operating, the blade body can be retracted into the receiving groove. Also, if one end of the blade is worn due to cutting of the object to be cut, etc., the cap is removed from the case and picked with a finger. By inserting into the hole of the cap and applying a bending force to the blade body, the blade body can be broken from the breaking groove, and the worn portion of the blade body can be removed. Further, the blade body is broken from the breaking groove using pliers without using the cap.
JP-A-11-76638

  However, since the conventional blade tool and the blade are provided with a hole in the cap that closes one end of the housing groove, and it is necessary to break the one end of the blade by grasping the cap removed from the case, the blade It is difficult to apply a large operating force to the blade body, it is difficult to break the blade body, and because the breaking operation is performed in the vicinity of one end of the blade body, there is a problem that there is a high risk of injury to the finger that performs the breaking operation, Since the broken pieces scatter at the moment of breaking, it takes time and effort to search for the broken pieces, and there is a problem that it is difficult to handle the broken pieces accurately. In addition, when using pliers, pliers are necessary separately from the blade tool, which is inconvenient.

  The present invention has been made in view of such circumstances, and a main object thereof is to provide a case having an accommodation groove for slidably accommodating a belt-like blade body, a first case half having the accommodation groove, and a blade. The blade body can be easily broken by adopting a structure in which a hole that allows one end of the body to be inserted and a second case half having a cavity communicating with the hole are detachably coupled. Moreover, it is an object of the present invention to provide a blade tool and a blade that can prevent scattering of broken pieces and can accurately accommodate the broken pieces.

Another object of the present invention is to have a configuration in which the second case half is provided with a regulating member for regulating the insertion amount of the blade body into the hole or the operation portion for moving the regulating member in the hole or the cavity. By doing so, the blade body can be broken at a fixed position, and the broken piece in the hole can be accommodated in the cavity, and the accommodated broken piece can be accurately prevented from coming out of the hole. An object of the present invention is to provide a blade tool and a blade that can be used.
Another object is to accurately prevent the broken pieces contained in the cavity from coming out from the hole by providing the second case half with a cover that covers the hole and is removable. An object of the present invention is to provide a blade tool and a blade that can be used.

  The cutting tool according to the first aspect of the present invention is a cutting tool provided with a case having a housing groove for slidably housing a band-shaped blade body, and an operating body for moving the blade body, wherein the case includes the housing A first case half having a groove and a second case half having a hole in which one end of the blade can be inserted and a cavity communicating with the hole are detachably coupled. And

  In the first invention, the first case half can be grasped with one hand, the second case half can be removed with the other hand, and the first case half By applying a bending force to the blade body with one end of the blade body inserted into the hole of the second case half, the blade body can be broken from the breaking groove. In this case, since the first and second case halves constituting the case can be grasped with both hands and the breaking operation can be performed, a large operating force can be easily applied to the blade body, and the blade body can be easily broken. it can. In addition, since it is possible to grip a position separated from one end of the blade body, there is little risk of injury to the finger that performs the breaking operation. Moreover, since one end part of the blade body is inserted into the hole of the second case half body, it is possible to prevent scattering of the broken pieces, and since a cavity communicating with the hole is provided, The broken piece can be accurately accommodated from the hole to the cavity.

  In the blade tool according to the second aspect of the invention, the second case half is configured to restrict the insertion amount of the blade into the hole or the operation for moving the restriction member in the hole or the cavity. It has the part.

  In the second invention, by inserting one end portion of the blade body into the hole, the one end portion of the blade body abuts on the regulating member and the insertion amount into the hole can be regulated. It can be broken at a position, and the restricting member can be moved by operating the operating portion. Therefore, the broken piece in the hole can be accommodated in the cavity, and further, the restricting member can be operated by operating the operating portion. By returning to the original position, it is possible to accurately prevent the broken piece accommodated in the cavity from coming out of the hole.

  The cutting tool according to a third aspect of the present invention is characterized in that the second case half has a covering that covers the hole and is detachable.

  In the third aspect of the invention, since the covering of the hole of the second case half is covered, it is possible to accurately prevent the broken piece accommodated in the cavity from coming out of the hole.

  A cutting tool according to a fourth aspect of the present invention includes the blade tool according to any one of the first to third aspects of the present invention and a blade body housed in the housing groove.

  In the fourth invention, since the blade body is provided, it can be used without preparing the blade body.

  According to the first and fourth aspects of the invention, the first and second case halves constituting the case can be gripped with both hands to perform a breaking operation. Since the body can be easily broken and the position separated from the one end of the blade body can be grasped, the risk of injury of the finger to be broken can be reduced. Moreover, since one end portion of the blade body is inserted into the hole of the half case to be broken, the broken pieces can be prevented from scattering, and the broken pieces can be accurately accommodated from the hole to the cavity. Can be simplified.

  According to the second invention, the blade body can be broken at a fixed position by the restricting member, and the broken piece in the hole can be accommodated in the cavity by operating the operation portion, and further accommodated in the cavity. It is possible to accurately prevent the broken pieces from coming out of the hole.

  According to the third invention, it is possible to prevent the broken pieces accommodated in the cavity from coming out of the hole to the outside more accurately.

Hereinafter, the present invention will be described in detail with reference to the drawings illustrating embodiments thereof.
Embodiment 1
1 is a front view showing the overall configuration of the tool, FIG. 2 is an enlarged sectional view taken along line II-II in FIG. 1, FIG. 3 is an enlarged sectional view taken along line III-III in FIG. 1, and FIG. FIG. 5 is a perspective view showing the configuration of the second case half, and FIG. 5 is a perspective view showing the configuration of the second case half.

  The blade tool is mounted with a band-shaped blade body 10 having a breaking groove 10a separated in the longitudinal direction thereof, and has a substantially prismatic shape having an accommodation groove 1a for slidably housing the blade body 10. A case A and an operating body B for moving the blade body 10 are provided, and a blade can be obtained by housing the blade body 10 in the housing groove 1a.

  The case A has a housing groove 1a, a first case half 1 in which the operating body B is held so as to be movable intermittently in the housing groove 1a, and a hole 21 into which one end of the blade body 10 can be inserted. The second case half 2 having a cavity 22 communicating with the hole 21 is removably coupled, and the covering 3 covering the hole 21 is removably fitted to the second case half 2. ing.

  The first case half 1 has a substantially C-shaped groove member 11 having an accommodation groove 1a of a length capable of accommodating the entire blade body 10, and one end in the longitudinal direction of the groove member 11 is internally fitted. And a frame member 12 having a substantially C-shaped cross section having a length approximately half that of the groove member 11 and integrally coupled by two machine screws 4 and 4. .

  An uneven portion 11a is provided on the edge of one side portion of the groove member 11, and two through holes 11b and 11b into which machine screws 4 and 4 are inserted are formed in the bottom portion of the groove member 11. The frame member 12 is provided with a hole 12b on one side in the longitudinal direction of the fitting groove 1a, and a recess 12c on the other side in the longitudinal direction and a cylindrical engaging convex portion 12d protruding from the recess 12c. The groove member 11 is inserted by inserting the machine screws 4 and 4 from the through holes 11b and 11b into the hole 12b and the hole 21 of the engagement convex portion 12d in a state where the groove member 11 is fitted in the fitting groove 12a. 11 and the frame member 12 are combined. The groove member 11 is formed by molding a metal plate, and the frame member 12 is formed by molding a synthetic resin material.

  The second case half 2 communicates with the fitting groove 23a fitted to the other end in the longitudinal direction of the groove member 11 and the fitting groove 23a, and has a recess 23b deeper than the fitting groove 23a. A frame member 23 having a substantially C-shaped cross section, a movable member 24 having a hole 21 and a partition plate 24a for forming a cavity 22 communicating with the hole 21 in a recess 23b, and insertion of the blade body 10 into the hole 21 And a regulating member 25 whose amount should be regulated to the length between the breaking grooves 10a, 10a.

  The frame member 23 has one end in the longitudinal direction of the fitting groove 23a as a non-recessed portion, and a recess 23b serving as a cavity 22 is provided on the other end in the longitudinal direction, and the fitting member 23a and the recess 23b Two positioning grooves 23c, 23c are provided between them.

  The movable member 24 includes an oval portion 24b having a hole 21, a partition plate 24a extending in a longitudinal direction of the fitting groove 23a from a position deviated from the hole 21 of the oval portion 24b, and a tip of the partition plate 24a. Are provided with two engaging claws 24c, 24c capable of engaging with the engaging convex portion 12d.

  The hole 21 is formed in a narrow rectangle corresponding to the cross-sectional shape of the blade body 10, and when the bending force is applied to the blade body 10 with one end of the blade body 10 inserted, the blade body 10 is It has a length that can be broken from one breaking groove 10a.

  Engaging portions 24d and 24d that engage with the positioning grooves 23c and 23c are provided on both sides in the width direction of the oval portion 24b and the partition plate 24a. The engaging claws 24c, 24c are separated in the width direction of the partition plate 24a, and the claw portions face each other. Further, an engagement groove 24e is provided on the outer peripheral portion of the oval portion 24b.

  The restricting member 25 has a bent piece 26 a whose one end is bent and the other end is formed of a bent piece 26 a of a leaf spring 26 fixed in the cavity 22, and the blade body 10 is inserted at a position facing the hole 21. It is configured to regulate the amount. The restricting member (bending piece) 25 is provided with a narrow rectangular through hole 25a corresponding to the hole 21, and the leaf spring 26 moves the restricting member 25 to a non-restricting position in the cavity 22, An operation portion 27 for making the through hole 25a face the hole 21 is provided.

  The operation portion 27 is composed of a pin fixed to the regulating member 25 side of the leaf spring 26, and the operation portion 27 is movably inserted into an insertion hole 23 d drilled in the frame member 23. The operation unit 27 can be pushed and operated.

  The operating body B is engaged with the other end in the longitudinal direction of the blade body 10 and is movably accommodated in the accommodating groove 1 a of the groove member 11, and a leaf spring 5 is provided that engages with the uneven portion 11 a of the groove member 11. Therefore, the position where the operating tool B has moved can be maintained.

  The cover 3 has a bowl shape having an oval opening, and a protrusion 3a that engages with the engagement groove 24e is provided inside the opening.

  The cutter tool configured as described above includes a metal groove member 11 having a housing groove 1a and a frame member holding the groove member 11 in the longitudinal direction of the housing groove 1a. The groove member 11 is joined to one frame member 12 to form a first case half 1, and the other frame member 23 is provided with a hole 21 and a cavity 22 to provide a second case half 2. It has become.

  Further, the other end portion of the groove member 11 is fitted in the fitting groove 23a of the second case half body 2, and the engaging claws 24c and 24c engage with the engaging convex portion 12d. Are joined in a butted state so that the first and second case halves 1 and 2 can be gripped and used with one hand, and are separated in the longitudinal direction for breaking. A band-shaped blade body 10 having a groove 10a is movably accommodated in the accommodation groove 1a in a state of being locked to the operation body B, thereby constituting a blade.

  When cutting the object to be cut, the operating body B is pushed in the longitudinal direction of the housing groove 1a to move the blade body 10 forward, and one end side of the blade body 10 protrudes from the housing groove 1a to the outside. The movement of the operating body B is prohibited by the engagement of the leaf spring 5 with the concave and convex portion 11a.

  FIG. 6 and FIG. 7 are explanatory diagrams for breaking one end of the blade body. When one end of the blade body 10 is worn due to cutting of an object to be cut or the like, the covering 3 is removed, the frame member 12 of the first case half 1 is gripped with one hand, and the first hand is gripped with the other hand. By engaging the frame member 23 of the two case halves 2 and pulling the first and second case halves 1 and 2 in opposite directions, the engagement claws 24c and 24c are engaged with the engagement convex portions 12d. Can be removed, the first and second case halves 1 and 2 can be disconnected, and the groove member 11 can be extracted from the fitting groove 23a. Then, a bending force is applied to the blade body 10 with one end of the blade body 10 attached to the first case half body 1 being inserted into the hole 21 of the second case half body 2 (see FIG. 6). Thus, the blade body 10 can be broken from one breaking groove 10a, and the broken piece of the blade body 10 can be accurately accommodated from the hole 21 into the cavity 22 and can be prevented from being scattered. In this case, by inserting one end of the blade body 10 into the hole 21, the edge of the blade body 10 abuts on the regulating member 25, and the amount of insertion into the hole 21 is the length between the breaking grooves 10 a and 10 a. The blade body 10 can be broken at a fixed position.

  When the operating portion 27 is pushed after breaking, the leaf spring 26 is bent, the restricting member 25 is moved to the non-regulating position, and the through hole 25a can be opposed to the hole 21 (see FIG. 7). Can be reliably accommodated in the cavity 22 through the through hole 25a. Further, by stopping the pushing operation of the operating portion 27 and returning the regulating member 25 to the original position, it is possible to accurately prevent the broken pieces accommodated in the cavity 22 from coming out of the hole 21 to the outside. As described above, since the broken pieces of the blade body 10 can be accommodated and stored in the cavity 22, it is not necessary to process the broken pieces every time the blade body 10 is broken, and safety can be improved.

Embodiment 2
FIGS. 8A and 8B show the overall configuration of Embodiment 2 of the blade tool according to the present invention, in which FIG. 8A is a front view and FIG. 8B is a perspective view. FIG. 9 is an exploded perspective view. The cutter tool according to the second embodiment divides the frame member of the case A including the groove member 11 and the frame member holding the groove member 11 as in the first embodiment in the middle of the housing groove 1a in the longitudinal direction. Instead of connecting the groove member 11 to one frame member 12 to form the first case half 1 and providing the hole 21 and the cavity 22 in the other frame member 23 to form the second case half 2, metal The groove member 11 of the case A provided with the made groove member 11 and the synthetic resin frame member 6 holding the groove member 11 is defined as the first case half 1A, and the frame member 6 is defined as the second case half. 2A, and the first and second case halves 1A and 2A are detachably coupled by the coupling means.

  The groove member 11 is formed by bending a metal plate into a substantially C-shaped cross section, and has an uneven portion 11a at the edge of one side and a recess 11b at the other side.

  The frame member 6 includes a frame main body 61 having a fitting groove 61a into which the groove member 11 is fitted and a recess 61b continuous with the fitting groove 61a, and a hole 21 and the cavity 22 communicating with the hole 21. A movable member 62 having a partition plate 62a for forming in 61b is provided. The movable member 62 is detachably fitted into the recess 61b to form the cavity 22. A lever body 63 having a cam 63a engaged with the recess 11b is pivotally supported at the end of the frame body 61.

In the second embodiment, when the object to be cut is cut, the second case half 2A is gripped.
When breaking one end of the blade body, the covering body 3 is removed, the lever body 63 is turned counterclockwise in FIG. 8, and one hand is disengaged from the recess 11b of the cam 63a. The groove member 11 can be extracted from the frame member 6 by gripping the frame member 6 with the other hand, pinching the groove member 11 with the other hand, and pulling the frame member 6 and the groove member 11 in the opposite direction. Then, the groove member 11 is gripped by the other hand, and a bending force is applied to the blade body in a state where one end portion of the blade body attached to the groove member 11 is inserted into the hole 21 of the frame member 6. The body can be broken from one breaking groove. The broken piece of the blade body can be accurately accommodated in the cavity 22 from the hole 21, and scattering can be prevented. Since other configurations and operations are the same as those of the first embodiment, the same components are denoted by the same reference numerals, and detailed descriptions and descriptions of the operations and effects are omitted.

  In addition, in embodiment mentioned above, it was set as the structure which has the control member 25, However, It is good also as a structure which eliminated the control member 25 in addition. Moreover, although it was set as the structure which has the coating | coated body 3 which coat | covers the hole 21, it is good also as a structure which eliminated the coating | coated body 3.

It is a front view which shows the whole structure of the cutter tool which concerns on this invention. It is an expanded sectional view of the II-II line of FIG. It is an expanded sectional view of the III-III line of FIG. It is a perspective view which shows the structure of the 1st case half body of the cutter tool which concerns on this invention. It is a perspective view which shows the structure of the 2nd case half body of the cutter tool which concerns on this invention. It is explanatory drawing in the case of fracture | rupturing the one end part of a blade body. It is explanatory drawing in the case of fracture | rupturing the one end part of a blade body. The whole structure of Embodiment 2 of the cutter tool which concerns on this invention is shown, (a) is a front view, (b) is a perspective view. It is a disassembled perspective view of Embodiment 2 of the cutter tool which concerns on this invention.

Explanation of symbols

A case B operating body 1 first case half 1a receiving groove 2 second case half 21 hole 22 cavity 25 regulating member 27 operating portion 3 covering body 10 blade body

Claims (4)

  A case tool having a housing groove for slidably housing a belt-like blade body and an operating tool for moving the blade body, wherein the case has a first case half body having the housing groove. And a second case half having a hole in which one end portion of the blade body can be inserted and a cavity communicating with the hole are detachably coupled.   2. The blade according to claim 1, wherein the second case half has a regulating member for regulating an insertion amount of the blade body into the hole in the hole or the cavity, and an operation unit for moving the regulating member. Tools.   The blade tool according to claim 1 or 2, wherein the second case half has a covering that covers the hole and is detachable. A blade comprising the blade tool according to any one of claims 1 to 3 and a blade body accommodated in the accommodation groove.

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