JP4364629B2 - Binding fixture fixing structure - Google Patents

Description

  The present invention relates to a fixing structure for a binding tool, and more particularly to a fixing structure for fixing a binding tool such as a ring binder to a fixed object such as a file cover.

Conventionally, a metal rivet has been used to attach a binding tool to a file cover. However, in recent years, a binding tool has been fixed to a file cover by a synthetic resin crease instead of a metal lash.
For example, synthetic resin iron making disclosed in JP 2000-352407 has been proposed as synthetic resin iron making.

JP 2000-352407 A

This plastic-made bag is configured so that it can be separated from the file cover and binding tool when discarded, so that each separated can be recycled as recycled goods, but aluminum, iron, etc. The conventional method of fixing a binding tool by caulking to the cover using the metal material rivet is excellent in durability because the binding tool is firmly caulked and fixed to the file cover.
However, in the case of a synthetic resin ridge, its adhesive strength is inferior to that of a metal ridge, and on the characteristics of the synthetic resin, it changes in a direction to return to the shape before being caulked by a change over time, Slight loosening may occur in the caulked portion.
In addition, for the convenience of assembling to attach the binding tool to the file cover, both the binding tool and the cover have a hole larger than the diameter of the hook to be fixed. May occur.

  Therefore, a main object of the present invention is to provide a fixing structure for a binding tool that can firmly fix the binding tool to an object to be fixed and can be used for a long time without causing a loosened portion to be loosened.

According to a first aspect of the present invention, there is provided a binding device fixing structure in which a binding tool is fixed to an object to be fixed with a synthetic resin rod, and the binding device is inserted with the synthetic resin rod to be fixed. A fixing hole to be fixed to the fixing hole is formed, and a protrusion is partially formed in the vicinity of the fixing hole, and the protrusion has a part of the periphery of the fixing hole cut and raised. The binding tool fixing structure is formed, the tip thereof has a sharp corner, and the synthetic resin rod is inserted from the fixed object side and fixed so as to cover the projection of the binding tool.
In the binding device fixing structure according to a second aspect of the present invention, the protrusion of the binding tool has the fixed portion of the binding tool inside the periphery of the fixing hole at a position where the fixing hole is equally divided. 2. The binding tool fixing structure according to claim 1, wherein two cuts are formed by linearly cutting and a portion between the cuts of the fixed portion of the binding tool is bent at a deep part of the cuts. It is.
According to a third aspect of the present invention, there is provided a binding device fixing structure in which a plurality of protrusions of the binding tool are formed at appropriate intervals, and an inner side of a tip end of one protrusion and a fixing hole facing the protrusion. The space between the hole edge and the hole edge is a fixing structure for a binding tool according to claim 1 or 2, wherein all of the plurality of protrusions are formed identically .
In the binding device fixing structure according to claim 4 of the present invention, the fixed portion of the binding device is a plate-like portion fixed to a file cover, and the plate-like portion has a fixing hole. , protrusion of the binding tool, the part of the periphery of the hole for fixing the fixed portion is formed by raised is the fixed structure of the binding tool according to any one of claims 1 to 3 .

According to the first aspect of the present invention, when the binding tool is fixed to the fixed object with the synthetic resin rod, the synthetic resin rod is fixed so as to cover the protrusion formed in the vicinity of the fixing hole of the binding tool. The fixing part of the synthetic resin rivet bites into the protrusion, and the synthetic resin ridge and the binding tool are sufficiently fixed. Therefore, even if loosening occurs between the synthetic resin ridge and the binding tool, the synthetic resin ridge bites into the protrusion. The nail part is bitten and the binding tool does not rattle.
Furthermore, since the tip of the protrusion has a sharp corner, the synthetic resin ridge bites into the protrusion, and the binding tool is firmly fixed to the object to be fixed by the synthetic resin ridge while the sharp edge of the protrusion is held by the synthetic resin ridge. Therefore, even if loosening occurs, the binding tool does not rattle.

According to invention of Claim 2 , since the front-end | tip of a processus | protrusion has a sharp angle | corner, a synthetic resin ridge bites into a processus | protrusion, and it binds with a synthetic resin urn in the state where the sharp end of a processus was bitten by a synthetic resin crease Since the tool is firmly fixed to the object to be fixed, the binding tool does not rattle even if looseness occurs.

According to the invention of claim 3 , the synthetic resin ridge is fitted into the fixing hole at an optimum interval in relation to the fixing hole and the fixing hole for fixing the binding tool to the fixed object, and the protrusion is inserted. The synthetic resin rivet is caulked so as to cover the protrusion, and the distance between the caulked synthetic resin crease and the fixing hole for fixing the binding tool is fixed to the object to be fixed while maintaining an optimum clearance. be able to.

According to the invention of claim 4, since the fixed portion of the binding tool is formed with a protrusion in the vicinity of the fixing hole of the plate-like portion fixed to the file cover, the protrusion is formed when the plate-like portion is processed. Is easy to manufacture.

  FIG. 1 is a perspective view showing an example of a binding tool according to the present invention. FIG. 2 is a plan view of the binding tool in the closed state, and FIG. 3 is a bottom view of the binding tool in the closed state. 4A and 4B are cross-sectional views of the binding tool in a closed state, in which FIG. 4A is a cross-sectional view of FIG. 3A-A and FIG. 4B is a cross-sectional view of FIG. FIG. 5 is a plan view of the binding tool in the opened state, and FIG. 6 is a bottom view of the binding tool in the opened state. 7A and 7B are cross-sectional views of the binding tool in the opened state, in which FIG. 7A is a cross-sectional view of FIG. 6A-A, and FIG. 7B is a cross-sectional view of FIG. FIG. 8 is a plan view illustrating the vicinity of the binding portion of the binding in a closed state, and FIG. 9 is a plan view illustrating the vicinity of the binding portion of the binding in an opened state. 10 and 11 are illustrative views showing the configuration of the binding tool. FIG. 12 is a cross-sectional view showing a state where the binding tool is attached to the cover.

  The binding tool 10 is fixed to the inner surface of the back cover inside the pair of left and right folding lines formed at the approximate center of the cover A which is a fixed object made of cardboard or other relatively hard sheet material. As a fixing method, a synthetic resin ridge 100 (described in detail later) is inserted into fixing holes 20 (described in detail later) that are fixing holes formed at both ends of the binding tool 10 in the longitudinal direction, and a spine is attached. There is a method of fixing so as to be integrated.

  The binding tool 10 includes a pair of substantially annular metal first binding rods 12 and first binding rods 12, a pair of second binding rods 14, and the first binding rods 12 and second binding rods 10. The holding member 16 having a length capable of providing the binding rods 14 at intervals, and the first binding rod 12 and the first binding rod 14 on the surface thereof are spaced apart from each other. And the bases of the second binding rods 14 are fixed, and the first binding rod 12 and the second binding rod 14 are movably fixed inside the holding member 16 so as to be fixed to the holding member 16. Actuating member 18.

  The holding member 16 is a substantially rectangular plane having a length that allows the first binding rod 12 and the second binding rod 14 to be provided at a predetermined interval, and the fixing holes 20 attached to both ends thereof, that is, the cover A. In the vicinity, a flat plate-like fixing portion 16a having a substantially semicircular arc shape is formed.

The fixing hole 20 is a fixing hole for inserting and fixing the synthetic resin ridge 100, and a protrusion 201 is partially formed in the vicinity of the fixing hole 20.
The protrusion 201 of the binding tool 10 is a part of the peripheral edge 203 of the fixing hole 20 formed in the holding member 16 (in the direction intersecting the surface of the fixing portion 16a of the holding member 16 that is a member constituting the binding tool 10 ( A part of the holding member 16) is cut and raised, and the tip 105 has a sharp corner.

A plurality of protrusions 201 are formed at an appropriate interval at a position obtained by dividing the peripheral edge 203 of the fixing hole 20 into three equal parts, and a tip 205 of one protrusion 201a and a hole edge 207 of the fixing hole 20 facing the protrusion 201a In the interval, all of the plurality of protrusions 201 are formed at the same position.
That is, the distance between the protrusion 201a and the hole edge 207a facing it, the distance between the protrusion 201b and the hole edge 207b facing it, and the distance between the protrusion 201c and the hole edge 207c facing it have the same length. It is formed to have.

The holding member 16 is mounted on a binding object having a substantially semicircular cross-section with a center bulging from the vicinity of the outer side in the longitudinal direction toward the inner side from the portion where the first binding bar 12 and the second binding bar 14 are fixed. The mounting portion 22 is provided, and the inside of the binding object mounting portion 22 includes a space, and the operation member 18 and the like are accommodated in the space.
At both ends of the binding object mounting portion 22 of the holding member 16, holding walls that slidably hold the operating member 18 are provided from one end to the other end in the longitudinal direction. In this embodiment, in the longitudinal direction of the holding member 16, the holding wall 24 a is suspended so as to be substantially entirely suspended from the outside vicinity of each of the first binding rod 12 and the second binding rod 14. The holding wall 24b is continuously provided, and the holding wall 24a and the holding wall 24b are parallel and substantially plate-shaped. Further, a holding convex portion 24c and a holding convex portion 24d are provided so as to protrude from the lower end edges of the holding wall 24a and the holding wall 24b at an appropriate interval. The outer edge 30b and the vicinity of the outer edge 32b of the second operating piece 32 are formed to be held.
In the space surrounded by the holding wall 24a, the holding wall 24b, and the binding object mounting portion 22, an operation member 18 and the like which will be described in detail later are accommodated.

The first binding rod 12 and the second binding rod 14 are placed at a certain interval (a certain length determined by Japanese Industrial Standards) on the object mounting portion 22 of the holding member 16. A first through hole 26 and a second through hole 28 are formed for loose penetration.
The first through-hole 26 and the second through-hole 28 include a half-cotton 12a and a half-cotton 12b constituting the first binding rod 12, a half-cotton 14a constituting the second binding rod 14, and Corresponding to the half split bar 14b, two holes are perforated at a predetermined interval divided into left and right in the width direction of the holding member 16.

The actuating member 18 includes a pair of first actuating pieces 30 and second actuating pieces 32 made of a substantially rectangular metal plate.
The first working piece 30 and the second working piece 32 include an outer edge 30b and an outer edge 32b that slide in parallel with the holding wall 24a and the holding wall 24b in the longitudinal direction thereof, and the outer edge 30b. Further, a butt edge 30a and a butt edge 32a for abutting the pair of the first operating piece 30 and the second operating piece 32 in parallel with the outer edge 32b are formed on the inner edge, and each of them is arranged in the space of the holding member 16 in the space. When juxtaposed in the longitudinal direction, the inner edges of each are flexibly engaged. That is, the abutting edge 30a and the abutting edge 32a are abutted, and the outer edge 30b and the outer edge 32b are joined to the inner walls of both the holding wall 24a and the holding wall 24b of the holding member 16.
When the first working piece 30 and the second working piece 32 are not applied with force from the outside, the first working piece 30 and the second working piece 32 are valley-folded, that is, the holding member 16 is bound. The direction facing away from the inner surface of the object placement portion 22 (the butt edge 30a and the butt edge 32a are below the plane _XY shown in FIG. 10) or mountain fold, that is, the object to be bound of the holding member 16 is mounted. The inside of the holding member 16 is maintained so that the valley fold or mountain fold state is maintained in the direction approaching the inner surface of the mounting portion 22 (the butt edge 30a and the butt edge 32a are above the plane _{XY in} FIG. 10). It is installed in the space.
The plane P _XY is a left-right axis Y passing through portions (four locations) where the bases of the first binding rod 12 and the second binding rod 14 are fixed to the first operating piece 30 and the second operating piece 32, respectively. ₁ and Y ₂ and a plane including front and rear axes X ₁ and X ₂ (shown in FIG. 10).

The actuating member 18 has the first binding rod 12 on one actuating piece, that is, on the surface (that is, the upper surface) of the holding member 16 of the first actuating piece 30 facing the inner surface of the binding object mounting portion 22. The base part of the half split bar 12a which comprises is fixed, and the base part of the half split bar 14a which comprises the 2nd staple 14 is fixed at a fixed space | interval with the said half split bar 12a.
In addition, the other operating piece, that is, the surface of the holding member 16 in the second operating piece 32 (that is, the upper surface) facing the binding object mounting portion 22, is a half-split 12 b that constitutes the first binding rod 12. The base portion of the half split bar 14b constituting the second binding rod 14 is fixed at a certain distance from the half split bar 12b.
And when the said 1st binding rod 12 and the 2nd binding rod 14 close, as shown in FIG. 4, the 1st action piece 30 and the 2nd action piece 32 which comprise the action member 18 are the The butt edge 30a and the butt edge 32a face away from the inner surface of the holding member 16 (the inner surface of the binding object mounting portion 22) (that is, in a valley fold state), and the butt edge 30a of the first working piece 30 When the first binding rod 12 and the second binding rod 14 are opened while being held in a state in which the butting edge 32a of the second operating piece 32 is abutted, as shown in FIG. The first working piece 30 and the second working piece 32 constituting the first side face the direction closer to the inner surface of the holding member 16 (the inner surface of the binding object mounting portion 22) (that is, the mountain folded state). Butt edge of the second working piece 32 It is fixed in the space inside the holding member 16 so as 2a and is held in abutting state.

Further, the first operating piece 30 and the second operating piece 32 constituting the operating member 18 are in a direction approaching the inner surface of the binding object mounting portion 22 of the holding member 16, that is, in a mountain fold state. The longitudinal direction of the first working piece 30 and the second working piece 32, that is, a line connecting the half-cut bar 12a and the half-cut bar 14a fixed to the first working piece 30 and the second working piece 32 (X ₁ (shown in FIG. 10) and the first working piece 30 and the second working piece 32 in a direction parallel to the line (X ₂ (shown in FIG. 10)) connecting the half-cotton 12b and the half-cotton 14b. Is slidably provided so as to be movable.

  The first binding rod is placed on the lower surface of the first working piece 30 and the second working piece 32, that is, on the surface opposite to the upper surface to which the bases of the first binding rod 12 and the second binding rod 14 are fixed. An opening / closing member 40 that changes the number 12 and the second binding rod 14 in the opening / closing direction is provided.

The opening / closing member 40 is composed of an elastic member such as a coil spring, a torsion spring, a leaf spring, an elongated rubber, an elongated urethane rubber or the like, and in this embodiment, an elongated tensile coil having a longitudinal direction. The spring reverses the first working piece 30 and the second working piece 32 in the longitudinal direction of the holding member 16 in the space of the holding member 16. The abutting edge 30a of the first operating piece 30 and the abutting edge 32a of the second operating piece 32 constituting the holding member 16 approach the inner surface of the binding object mounting portion 22 of the holding member 16 while moving in the direction. It is provided so as to be held in the direction, that is, the mountain folded state.
One end of the opening / closing member 40 is fixed to one operating piece, that is, a locking projection 30c formed on the lower surface of the first operating piece 30, and the other end of the opening / closing member 40 is the other operating piece, It is fixed to a locking projection 32 c formed on the lower surface of the second operating piece 32.
The locking projection 30c is shifted from the longitudinal center of the first working piece 30 toward the moving direction of the first working piece 30 when the first binding rod 12 and the second binding rod 14 are opened. The locking projection 32c is formed at the position, and the second operating piece 32 moves when the first binding rod 12 and the second binding rod 14 are opened from the longitudinal center of the second operating piece 32. It is formed at a position shifted to the direction side.
In the opening / closing member 40, the butted edges 30 a and the butted edges 32 a of the first working piece 30 and the second working piece 32 are in a valley folded state (shown in FIG. 4), that is, the binding object mounting portion 22 of the holding member 16. When it is in a state of being held away from the inner surface of the first and second operating pieces 30, the first operating piece 30 and the second operating piece 32 are slanted so as to be extended. The force to return to the original state works.
The opening / closing member 40 has a longitudinal direction of each of the first working piece 30 and the second working piece 32, that is, a portion for fixing the half-cut rod 12a and a portion for fixing the half-cut rod 14a of the first working piece 30. the connecting line (longitudinal axis X ₁ (FIG. 10 shown)) and a second portion for securing the half rod 12b of the operating piece 32 of the line connecting the portion for securing the half rod 14b (longitudinal axis X ₂ (FIG. 10))).

The first operating piece 30 and the second operating piece 32 constituting the operating member 18 start opening the first binding rod 12 and the second binding rod 14, that is, the first binding rod. When the respective locking portions 50 of the twelve and second binding rods 14 are removed with fingers, the opening / closing member 40 tries to return to the original state, that is, the extended opening / closing member 40 acts in a contracting direction. The direction in which the half split bar 12a and the half split bar 12b of the first binding bar 12 are separated (the half split bar 12a is the O ₁ direction, the half split bar 12b is the O ₂ direction (shown in FIGS. 2 and 9)) and the second The half split bar 14a and the half split bar 14b of the binding bar 14 move away from each other (the half split bar 14a is in the O ₁ direction and the half split bar 14b is moved in the O ₂ direction (shown in FIGS. 2 and 9)). The first actuating piece 30 and the second actuating piece 32 are moved in the opposite directions.
That is, the first working piece 30 moves in a direction (O ₁ direction) to remove the locking portion 50, and the second working piece 32 moves in a direction (O ₂ direction) to remove the locking portion 50.
Furthermore, the opening and closing member 40, so as to separate the half rod 12a and half rod 12b and the half rod 14a and half rod 14b in the circumferential direction (FIG. 10 lateral axis Y ₁ and lateral axis Y ₂ direction) Act on.
The first operating piece 30 and the second operating piece 32 constituting the operating member 18 gradually change from the valley folded state to the planar state, and then change from the planar state to the mountain folded state.
The opening / closing member 40 has the butting edge 30a of the first working piece 30 and the butting edge 32a of the second working piece 32 when the first binding rod 12 and the second binding rod 14 are opened. Acts to be held in a mountain-folded state, that is, in a state of approaching the inner surface of the binding object mounting portion 22 of the holding member 16.
The first working piece 30 and the second working piece 32 that constitute the working member 18 operate as described above, but the first working piece 30 and the second working piece 32 do not deviate from each other and the butting edge 30a. And the abutting edge 32a so that the first actuating piece 30 can be rotated about the abutting edge 32a from the abutting edge 30a side. 30e is formed, and the second operating piece 32 is formed with a deviation preventing protrusion 32e protruding slightly downward from the abutting edge 32a toward the abutting edge 30a.

The first binding rod 12 is composed of a semicircular half split rod 12a and a half split rod 12b so as to be substantially annular, and the second binding rod 14 is substantially annular, It is composed of a semicircular arc-shaped half split rod 14a and a half split rod 14b. Then, the half split bar 12a and the half split bar 12b, the leading ends of the half split bar 14a and the half split bar 14b, so that the paper P can be bound by being inserted into a binding hole previously drilled in the paper P, That is, a locking portion 50 is formed at the tops of the first binding rod 12 and the second binding rod 14.
The half split bar 12a and the half split bar 12b constituting the first binding bar 12 are formed into an annular shape by locking the locking part 50 of the half split bar 12a and the locking part 50 of the half split bar 12b. Is engaged.
In addition, the half split bar 14a and the half split bar 14b constituting the second binding bar 14 lock the locking part 50 of the half split bar 14a and the locking part 50 of the half split bar 14b, Annularly engaged.

The first binding rod 12 and the second binding rod 14 have left and right axes Y ₁ and Y passing through portions (four locations) where the respective base portions are fixed to the first working piece 30 and the second working piece 32. ₂ and the first working piece 30 and the second working piece 32 so as to form a plane perpendicular to the plane P _XY including the front and rear axes X ₁ and X ₂ (shown in FIG. 10). The circular surface formed by the axis Z ₁ (shown in FIG. 11) of the _first binding rod 12 and the circular surface formed by the axis Z ₂ (shown in FIG. 11) of the _second binding rod 14 are parallel, and the first binding rod 12 and the second binding rod 14 are configured such that the plane P _XY perpendicular through a portion secured to the first operating piece 30 and the second operating piece 32.

And the 1st binding rod 12 and the 2nd binding rod 14 are comprised so that the latching | locking part 50 can be removed with a finger | toe toward the same direction.
A convex portion 52a at the distal end constituting the engaging portion 50 formed at the distal end of the half split rod 12a constituting the first binding rod 12, a concave portion 52b following the convex portion 52a, and an engaging portion of the half split rod 12b The convex portion 54a at the distal end constituting 50 and the concave portion 54b following the convex portion 54a at the distal end are projected or recessed in the opposite direction so as to be engaged when the first binding rod 12 is closed. . The convex portion 52a and the convex portion 54a are each provided with an inclined edge inward from the tip, and are formed so that the first binding rod 12 and the second binding rod 14 can be opened and closed while sliding. ing.
Moreover, the convex part 56a which comprises the latching | locking part 50 formed in the front-end | tip of the half split hook 14a which comprises the 2nd binding rod 14, the recessed part 56b following the convex part 56a, and the latching part of the half split hook 14b The convex portion 58a at the front end constituting 50 and the concave portion 58b following the convex portion 58a at the front end are protruded or recessed in the opposite direction so as to be engaged when the second binding rod 14 is closed. .
Moreover, the convex part 52a which comprises the latching | locking part 50 of the half split hook 12a, and the convex part 56a which comprises the latching part 50 of the half split hook 14a are protruded and provided toward the same direction.
Moreover, the recessed part 54b which comprises the latching | locking part 50 of the half split hook 12b, and the recessed part 58b which comprises the latching part 50 of the half split hook 14b are recessedly formed toward the same direction.

  Accordingly, the locking portion 50 of the first binding rod 12 can be removed by twisting the top portion of the first binding rod 12 with a finger, and when the locking portion 50 of the first binding rod 12 is removed with a finger. The first working piece 30 and the second working piece 32 are operated by the force that the opening and closing member 40 tries to return to the original state, that is, the force that tries to contract. The operating piece 32 moves in the opposite direction. That is, the convex portion 56a of the first binding rod 12 acts so as to separate the convex portion 56a of the half split rod 14a and the convex portion 58a of the half split rod 14b constituting the second binding rod 14. Acts in a direction to separate the portion 52a and the convex portion 54a of the half-cotton 12b and separates the convex portion 56a of the half-cotton 14a and the convex portion 58a of the half-cotton 14b constituting the second binding rod 14 Act on.

Thus, in this embodiment, by twisting the tops of the first binding rod 12 and the second binding rod 14 with a finger, the half split rod 12a and the half split rod 12b of the first binding rod 12 are The locking part 50 and the locking parts 50 of the second split collar 14a and the half split bar 14b can be removed.
In addition, the half split bar 12a and half split bar 12b of the first binding bar 12 and the half split bar 14a of the second binding bar 14 and the locking part 50 of the half split bar 14b are engaged. When the butt edge 30a of the first working piece 30 and the butt edge 32a of the second working piece 32 are in the valley folded state, the first working piece 30 and the second working piece 32 are in the valley folded state. , The opening / closing member 40 acts so as to contract in the direction in which the first operating piece 30 and the second operating piece 32 are brought into contact with each other. And the engagement state of the latching | locking part 50 of the 2nd binding rod 14 can be maintained.

Next, a method for forming the fixing hole 20 and the protrusion 201 will be described mainly with reference to FIGS.
First, for example, a pilot hole 209 made of a perfect circle having a diameter of 4.3 mm is formed in an optimal position of the flat plate-like fixing portion 16a of the holding member 16 which is a member constituting the binding tool 10, and the pilot hole 209 is formed in the pilot hole 209. A lower die 213 provided with a barrel portion 211a having a corresponding diameter, a conical head portion 211b connected to the barrel portion 211a and becoming narrower toward the tip, and an upper die 215 corresponding to the lower die 213 are prepared. To do.
The lower mold 213 is formed with ridges 217 for forming the protrusions 201 on the substantially conical body 211a.
The ridges 217 are formed at equal intervals at positions equally divided into 120 degrees with respect to the center angle with respect to the center of the prepared hole 209. It is formed so that its height decreases as it goes in the direction in which 213 penetrates into the pilot hole 209 (see FIG. 14).
Further, the upper die 215 is formed with female holes 219 corresponding to the shapes of the body portion 211a and the protrusions 217 of the lower die 213 (see FIGS. 15 and 16).

In the cutting and raising process for the lower hole 209, first, the upper surface of the plate-like fixing portion 16a of the holding member 16 is brought into contact with the lower surface of the upper mold 215, and the lower hole 209 and the female hole 219 of the upper mold 215 are positioned. From the lower surface of the fixing portion 16 a of the holding member 16, it is pushed up from the tip of the lower mold 213 toward the upper mold 215, penetrates along the peripheral edge 203 of the lower hole 209, and the vicinity of the hole edge 207 of the lower hole 209 is formed by the convex strip 217. The projection 201 is formed by cutting and raising in the direction intersecting the surface of the fixing portion 16 a of the holding member 16.
The distance between the tip 205 of the protrusion 201 and the hole edge 207 facing it is cut and raised to a position that is about 0.2 mm longer than the diameter of the pilot hole 209.
Thus, the protrusion 201 for fixing the binding tool 10 to the cover A with the synthetic resin ridge 100 is formed.

The shapes of the fixing hole 20 and the protrusion 201 are not limited to the structure of the above embodiment, and can be changed based on the idea of the present invention.
For example, in the above-described embodiment, the protrusion 201 is formed by being bent at the deep part of the cut formed by cutting linearly inward from the peripheral edge 203 of the fixing hole 20, as shown in FIG. In addition, the protrusion 221 may be bent near the base along the extended portion of the hole edge 207 of the peripheral edge 203 of the fixing hole 20 and the entire protrusion 221 may be raised.
This protrusion 221 can be formed by, for example, a burring machine that flanges the periphery of the fixing hole 20.
The prepared hole 223 for performing the rising process of the protrusion is not a perfect circular prepared hole in the above-described embodiment, but a protrusion 221 corresponding to the protrusion 221 that is odd-shaped, that is, bent later, as shown in FIG. The lower die 227 is formed in a shape protruding inward from the peripheral edge of the lower hole 223, and the lower die 227 provided with the outer peripheral body portion 225 corresponding to the peripheral edge 203 of the fixing hole 20 is placed on the upper die 229 from the lower surface of the holding member 16. A protrusion may be formed by pushing up into the female hole 231.
In addition, as shown in FIG. 20, the protrusions 233 may be formed on the peripheral edge 203 of the fixing hole 20 at two uniform intervals.

In order to attach the binding tool 10 to the cover A, the lower end edge of the holding wall 24a and the holding wall 24b and the lower surface of the fixing portion 16a are joined to the cover A, and the synthetic resin rods described below are fixed to the fixing holes 20, 20. 100 may be attached.
Moreover, in the said embodiment, although the two-hole type binding tool was demonstrated like the 1st binding rod 12 and the 2nd binding rod 14, the multi-hole type which increased the binding rod, for example, 3 holes It can be set as the binding tool provided with many bindings, such as 4 holes, 20 holes, 26 holes, and 30 holes.

  FIG. 21 is a perspective view illustrating a synthetic resin tub for fixing a binding tool according to an embodiment of the present invention to a file cover, and FIG. 22 is a rear perspective view illustrating the synthetic resin tub illustrated in FIG. 23 is a plan view of the synthetic resin bottle shown in FIG. 21, and FIG. 24 is a bottom view of the synthetic resin bottle shown in FIG. FIG. 25 is a cross-sectional view of FIG. 23A-A. 26 and 27 are diagrams showing a method of fixing the binding tool with the synthetic resin jar shown in FIG. 21, and FIG. 26 is a cross-sectional view showing a method of attaching the binding tool to the file cover with the synthetic resin jar shown in FIG. FIG. FIG. 27 is a cross-sectional view showing a state in which the binding tool is fixed to the file cover with the synthetic resin basket shown in FIG.

  The synthetic resin rod 100 includes a shaft portion 112 that is inserted into the fixing hole 20 of the binding tool 10, and a hooking head portion 114 formed at one end of the shaft portion 112, and at least a surface of the head portion 114. Alternatively, in order to fold the head 114 on either the back surface and separate from the shaft portion 112, the shaft portion 112 is outside the shaft portion 112 when viewed in the axial direction of the shaft portion 112. A groove 116 is formed at a position where the head 114 comes out of the fixing hole 20 into which the shaft portion 112 is inserted.

The synthetic resin bag 100 is for fixing the cover A of the file and the binding tool 10, and the shaft portion 112 is inserted into the fixing hole 20 of the binding tool 10, which is an object to be fixed. The shaft portion 112 is formed so as to be caught on the periphery of the fixing hole A ₁ of the cover A formed at one end of the shaft portion 112, and the shaft portion 112 and the hooking head portion 114 are integrally formed with a thermoplastic resin such as polycarbonate. Become.

  The shaft 112 has a cylindrical shape protruding from the approximate center of the hooking head 114, and the outer peripheral surface of the shaft 112 has a tapered shape whose diameter becomes shorter from the hooking head 114 toward the tip (lower end). It is a hollow cylinder. But the outer peripheral surface of the axial part 112 may not be a taper shape, but you may make it the hollow cylinder shape of the same diameter from the top to the bottom.

  The hooking head portion 114 is concentric with the shaft portion 112 and has a disk shape larger in diameter than the shaft portion 112, and is configured such that its thickness gradually decreases at the peripheral portion, and the flat portion 120 of the hooking head portion 114. A flat circular first split groove 122 is continuously provided along the outer peripheral edge of the shaft portion 112. The hooking head 114 has a diameter approximately twice that of the shaft portion 112, and its thickness is approximately one fifth of the diameter.

  The thinner the thickness of the outer peripheral edge of the catching head 114 is, the better. When the hooking head 114 comes out of the cover A of the file, it is made thinner so that the hooking head 114 does not get caught in the adjacent object when the file is taken in or out of the shelf for storing the file. Better.

  The bottom portion 124 of the catching head portion 114 has a suitable distance (ie, a position corresponding to the first split groove 122, that is, along the outer periphery of the shaft portion 112 when the shaft portion 112 is viewed in the axial direction). Four planar arc-shaped second split grooves 126 are formed with a gap of about three times the width of the first split groove 122.

  The first split groove 122 and the second split groove 126 are configured with a circular arc-shaped groove having substantially the same width from one end to the other end. The width of the first split groove 122 is approximately one half of the diameter of the catching head portion 114, and the depth of the first split groove 122 is approximately four times the thickness of the catch head portion 114. 1 and the width and depth of the second split groove 126 are substantially the same.

The central angle of the arc R _{1 formed} by the line connecting the linear both end edges of the second split groove 126 and the center of the catching head 114 is 60 °, and the linear both end edges of the adjacent second split grooves 126 are caught. The central angle of the arc R ₂ defined by the line connecting the center of the head 114 is 30 ° (see FIG. 24).

  In the hooking head portion 114, a portion where the first split groove 122 and the second split groove 126 face each other is formed in a thin shape that is thinner in other regions.

  The shaft portion 112 has a hollow portion 130 formed therein, and a planar top wall portion 132 is formed at substantially the same height position as the bottom surface portion 124 of the catching head portion 114, and the outer periphery of the top wall portion 132 is more peripheral. A first inclined wall portion 134 that is inclined downward (in a direction from the hooking head 114 toward the tip) is formed, and further, the lower portion of the first inclined wall portion 134 is lower (the hooking head 114). A second inclined wall portion 136 that expands toward the tip) is formed to a height position that is substantially half the height of the shaft portion 112, and is directed downward from the lower end of the second inclined wall portion 136. Thus, a vertical wall portion 138 having substantially the same diameter is formed from the top to the bottom.

  The shaft portion 112 is formed to be the thickest (thick) in the region from the top wall portion 132 to the first inclined wall portion 134, and to have an intermediate thickness (thickness) in the region of the second inclined wall portion 136, It is formed to be the thinnest (thinner) in the region of the vertical wall portion 138.

When fixing the cover A of the file, which is an object to be fixed, and the binding tool 10 with the synthetic resin bag 100, the fixing hole A ₁ drilled in the cover A of the file and the fixing hole drilled in the binding tool 10. 20, the shaft part 112 is inserted into the fixing hole A and the fixing hole 20, and the tip of the shaft part 112 on the opposite side is processed at room temperature (cold) with a mold 150 (shown in FIG. 26). The front end portion is crushed and curled, brought into close contact with the periphery of the fixing hole 20 of the binding tool 10, and the binding tool 10 is fixed to the cover A in cooperation with the hooking head 114. Alternatively, the tip of the shaft 112 on the opposite side may be heated and melted to crush and curl the tip of the shaft 112.

When the binding tool 10 is fixed to the cover A with the synthetic resin ridge 100, the synthetic resin ridge 100 is fixed so as to cover the protrusion 201 formed in the vicinity of the fixing hole 20 of the binding tool 10, and the fixed portion of the synthetic resin ridge 100 is fixed. Since the shaft portion 112 bites into the protrusion 201 and the synthetic resin ridge 100 and the binding tool 10 are sufficiently fixed, even if loosening occurs between the synthetic resin ridge 100 and the binding tool 10, the synthetic resin ridge 100 is The portion biting into the projection 201 is bitten and the binding tool 10 does not rattle.
In particular, the protrusion 201c formed on the longitudinal center line X ₃ (shown in FIG. 10) of the binding tool 10 restricts the movement of the binding tool 10 in the longitudinal direction and prevents rattling.
The projections 201a and 201b allocated to the left-right (width direction) across the longitudinal center line X ₃ of the binding device 10 restricts the movement in the width direction of the binding device 10 to prevent its rattling.

When the binding tool 10 fixed by the synthetic resin basket 100 and the cover A of the file are separated and discarded, the separated members are collected as resources and separated without being destroyed in order to be recycled as recycled goods. There is a need to do. At that time, as shown in FIG. 28, the shaft portion 112 is twisted and bent between the cover A of the file and the binding tool 10, for example, the tip of the driver X is inserted, and the head 114 for catching and the closing tool 10 are used. When lifted, since the vicinity of the shaft portion 112 of the catching head 114 where the first split groove 122 and the second split groove 126 face each other is formed in the thinnest shape, the catching head 114 is The shaft portion 112 can be detached from the fixing hole 20 and the fixing hole A ₁ by being broken at the portion, and the cover A and the binding tool 10 can be separated.

  29 is a perspective view of the synthetic resin bottle of the present invention, and FIG. 30 is a rear perspective view of the synthetic resin bowl shown in FIG. 31 is a plan view of the synthetic resin bottle shown in FIG. 29, and FIG. 32 is a bottom view of the synthetic resin bottle shown in FIG. FIG. 33 is a cross-sectional view of FIG. 31A-A.

  The synthetic resin ridge 300 includes a shaft portion 112 inserted into the fixing hole 20 of the binding tool 10 and a catching head portion 114 formed at one end of the shaft portion 112, and at least a surface of the head portion 114. Alternatively, in order to fold the head 114 on either the back surface and separate from the shaft portion 112, the shaft portion 112 is outside the shaft portion 112 when viewed in the axial direction of the shaft portion 112. A groove 116 is formed at a position where the head 114 comes out of the fixing hole 20 into which the shaft portion 112 is inserted.

The synthetic resin bag 300 is for fixing the cover A of the file and the binding tool 10, and the shaft portion 112 is inserted into the fixing hole 20 of the binding tool 10, which is a fixed object, and the hooking head 114 is , together the formed for catching on the peripheral edge of the fixing hole a ₁ of the cover a of the one end forming files of the shaft portion 112, the shaft portion 112 and head 114 for caught with a thermoplastic resin such as polycarbonate Molded.

  The shaft 112 has a cylindrical shape protruding from the approximate center of the hooking head 114, and the outer peripheral surface of the shaft 112 has a tapered shape whose diameter becomes shorter from the hooking head 114 toward the tip (lower end). It is a hollow cylinder.

  The hooking head portion 114 is concentric with the shaft portion 112 and has a disk shape larger in diameter than the shaft portion 112, and is configured such that its thickness gradually decreases at the peripheral portion, and the flat portion 120 of the hooking head portion 114. Are formed with four planar arc-shaped first split grooves 322 at an appropriate interval (approximately three times the width of the first split groove 122) along the outer peripheral edge of the shaft portion 112. . The hooking head 114 has a diameter approximately twice that of the shaft portion 112, and its thickness is approximately one fifth of the diameter.

  The bottom portion 124 of the catching head portion 114 has a suitable distance (ie, a position corresponding to the first split groove 122, that is, along the outer periphery of the shaft portion 112 when the shaft portion 112 is viewed in the axial direction). Four planar arc-shaped second split grooves 126 are provided so as to be spaced apart by about three times the width of the second split groove 126.

The central angle of the arc R _{1 formed} by the line connecting the linear both ends of the second split groove 126 and the center of the catching head 114 is 60 °, and the straight edge of the adjacent second split groove 126 is caught. The central angle of the arc R _{2 formed} by a line connecting the center of the head 114 for use is 30 °.

Further, the central angle of the arc R _{3 formed} by a line connecting the linear both ends of the first split groove 122 and the center of the catching head 114 is 60 ° (see FIGS. 31 and 32).

  The binding tool fixing structure according to the present invention can be applied to various binding tools for binding notes, such as ring files, Z-type files, and metal pipe files.

It is a perspective view which shows an example of the binding tool concerning this invention. It is a top view of the binding tool in the closed state. It is a bottom view of the binding tool in the closed state. It is a cross-sectional view of the binding tool in the closed state, (A) is a cross-sectional view of FIG. 3A-A, (B) is a cross-sectional view of FIG. 3B-B. It is a top view of the binding tool in the open state. It is a bottom view of the binding tool in the open state. It is a cross-sectional view of the binding tool in the opened state, (A) is a cross-sectional view of FIG. 6A-A, (B) is a cross-sectional view of FIG. 6B-B. It is a top view solution figure which shows the latching | locking part vicinity of the binding in the closed state. It is a top illustration solution figure which shows the latching | locking part vicinity of the binding in the open state. It is an illustration figure which shows the structure of a binding tool. It is an illustration figure which shows the structure of a binding tool. It is a cross-sectional view which shows the state which attached the binding tool to the cover. (A) is a plan view of the vicinity of the fixing hole of the binding tool, and (B) is a cross-sectional view of the vicinity of the fixing hole of the binding tool. It is a figure which shows a lower mold | type, (A) is a perspective view solution figure, (B) is a top view solution figure. It is a bottom illustration solution figure of an upper model. It is an illustration figure which shows the method of shape | molding the processus | protrusion of a fixing hole. It is a perspective view solution figure which shows the vicinity of another fixing hole. It is an illustration figure which shows the shaping | molding method of the fixing hole shown in FIG. It is an illustration figure which shows the shaping | molding method of the fixing hole shown in FIG. It is a perspective view solution figure of the binding tool in which another fixing hole was formed. It is a perspective view solution figure of the synthetic resin basket which fixes the binding tool which is one embodiment of this invention to a file cover. FIG. 22 is a rear perspective view of the synthetic resin tub shown in FIG. 21. FIG. 22 is a plan view of the synthetic resin bottle illustrated in FIG. 21. FIG. 22 is a bottom view of the synthetic resin container illustrated in FIG. 21. It is sectional drawing of FIG. 23A-A. FIG. 22 is a cross-sectional view illustrating a method of attaching a binding tool to a file cover with the synthetic resin basket illustrated in FIG. 21. FIG. 22 is a cross-sectional view illustrating a state in which the binding tool is fixed to the file cover with the synthetic resin basket illustrated in FIG. 21. It is a cross-sectional solution figure which shows the method of isolate | separating a binding tool from a file cover. It is a perspective view solution figure of the synthetic resin bag of this invention. FIG. 30 is a rear perspective view solution view of the synthetic resin tub shown in FIG. 29. FIG. 30 is a plan view of the synthetic resin bottle illustrated in FIG. 29. FIG. 30 is a bottom view of the synthetic resin bottle illustrated in FIG. 29. FIG. 31A is a sectional view taken along line A-A.

Explanation of symbols

DESCRIPTION OF SYMBOLS 10 Binding tool 12 1st binding rod 12a, 12b Half split rod 14a, 14b Half split rod 14 2nd binding rod 16 Holding member 16a Fixing part 18 Actuating member 20 Fixing hole 22 Binding object mounting part 24a 24b Holding wall 26 1st through-hole 28 2nd through-hole 30 1st action | operation piece 30a Butting edge 30b Outer edge 30c Locking convex part 32 Second action piece 32a Butting edge 32b Outer edge 32c Locking protrusion 40 Opening / closing member 50 Locking part 52a Convex part 52b Concave part 54a Convex part 54b Concave part 56a Convex part 56b Concave part 58a Convex part 58b Concave part 100 300 Synthetic resin bottle 112 Shaft part 114 Head part 116 for catching Groove 120 Flat part 122 322 First split groove 124 Bottom face Part 126 second split groove 130 hollow part 132 top wall part 134 first slant wall part 136 second slant wall part 138 vertical wall part 150 mold 201, 201 201b, 201c Protrusion 203 Peripheral 205 Tip 207, 207a, 207b, 207c Hole edge 209 Lower hole 211a Body 211b Head 213 Lower mold 215 Upper mold 217 Projection 219 Female hole 221 Projection 223 Lower hole 225 Body 227 Lower mold 229 Upper mold 231 Female hole 233 Protrusion X Driver A Cover A ₁ Fixing hole

Claims (4)

A structure in which the binding tool is fixed to a fixed object with a synthetic resin rod,
The binding tool is formed with a fixing hole to be fixed to an object to be fixed by inserting the synthetic resin rod, and a protrusion is partially formed in the vicinity of the fixing hole,
The protrusion is formed by cutting and raising a part of the periphery of the fixing hole, and the tip thereof has a sharp corner,
The binding structure of the binding tool, wherein the synthetic resin basket is inserted from the fixed object side and fixed so as to cover the projection of the binding tool. The protrusion of the binding tool is formed by cutting the fixed portion of the binding tool in a straight line toward the inner side from the periphery of the fixing hole at a position where the fixing hole is equally divided, thereby forming two cuts. The binding structure for fixing a binding tool according to claim 1, wherein a portion between the notches of the fixed portion of the binding tool is bent at a deep part of the notch. A plurality of the projections of the binding tool are formed at appropriate intervals,
Distance between the fixing holes of the hole edge which faces inwardly and the protrusion of the tip of one projection, all of the plurality of projections are formed on the same, the binding tool according to claim 1 or claim 2 Fixed structure. The fixed portion of the binding tool is a plate-like portion fixed to a file cover, and the plate-like portion is formed with a fixing hole.
The projection of the binding tool, the part of the periphery of the hole for fixing the fixed portion is formed by causing a fixed structure of the binding tool according to any one of claims 1 to 3.

Images