JP2580469B2 - Binding - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention comprises a binding body having a plurality of cylindrical binding rods and a holding plate having a plurality of insertion rods inserted into the cylindrical binding rods. The present invention relates to a binding device in which a paper piece such as a document or a catalog is bound to a rod, and the binding is held by closing the holding plate.

[0002]

2. Description of the Related Art Conventionally, this kind of binding device is, for example,
As shown in FIG. 21830 and shown in FIGS. 12 and 13, a binding body A having a plurality of tubular binding rods A1 fixed to the back cover of a file; A1
And a holding plate B having a plurality of insertion rods (D) inserted into the insertion holes of the binding device main body A.
2, a hook-shaped locking portion A3 is provided on the upper side of the rising wall A2, and the holding portion A is provided on the holding plate B.
3, a closing member C for maintaining the closed position of the holding plate B is attached, a paper piece is bound to the binding rod A1, and an insertion rod is inserted into the binding rod A1 to close the closing member C. The holding plate B is maintained at the closed position so that the binding of the paper piece to the binding rod A1 can be held.

That is, as shown in FIG. 13, the closing member C is held movably in the width direction at a central portion in the length direction of the holding plate B, and is fixed to a locking portion A3 of the rising wall A2. An operation piece C2 having a substantially U-shaped cross section having an engagement portion C1 to be disengaged;
A direction in which the operating piece C2 is elastically interposed between the operation piece C2 and a part of the inner wall of the holding plate B, and the operation piece C2 is locked in a direction in which the locking piece C1 is locked to the locking portion A3 (FIG. 12). , 13 arrow X
(Direction) in the direction of rotation.

When binding a paper piece to the above-mentioned binding device, first, the operating piece C2 of the closing member C is pressed against the leaf spring C3 in the width direction of the pressing plate B (the direction opposite to the arrow X direction). 12 to release the engagement of the engaging portion C1 with the locking portion A3, thereby pulling out the holding plate B from the binding device main body A in the Y direction shown in FIG. After inserting a paper piece into each cylindrical binding rod A1 of the binding device main body A in the state, each insertion rod D provided on the holding plate B is inserted into an insertion hole of each cylindrical binding rod A1. Thereafter, the operating piece C2 is pushed to engage the engaging portion C1 with the locking portion A3 of the rising wall A2, and the closed position of the pressing plate B is maintained to bind the paper piece. To complete.

[0005]

However, as shown in FIG. 1 of the publication, the rising wall A2 is formed over the entire length of the binding body A in the longitudinal direction. When taking out a piece of paper bound to an intermediate portion of the cylindrical binding rod A1 to the outside, when performing so-called hollowing out of a piece of paper, the rising wall A2 is used.
The finger cannot be inserted between the binding paper pieces from the side, and it is difficult to remove the inside of the binding paper piece.
Is an engaging portion C which is disengaged from the engaging portion A3 of the rising wall A2.
1 and a leaf spring C3 for urging the operation piece C2. Since these parts are formed as separate members, the number of constituent parts increases. However, there is a problem that the structure becomes complicated, and the assembling workability when assembling the closing body C to the holding plate B is poor.

SUMMARY OF THE INVENTION It is an object of the present invention to make it easy to remove a bound paper piece, to reliably maintain a closed state of a holding plate, and to simplify the structure of a closing body to be held by the holding plate. An object of the present invention is to provide a binding device that can improve the workability of assembling a closing body.

[0007]

In order to achieve the above object, a binding device according to the first aspect of the present invention comprises a binding body 1 having a plurality of cylindrical binding rods 13 and a cylindrical binding rod 13 having a plurality of cylindrical binding rods 13. And a press plate 2 having a plurality of insertion rods 22 to be inserted into the main body 1.
2b, and between these rising walls 12a, 12b,
Forming a recess 12c for inserting and removing the holding plate 2;
The holding plate 2 has a length extending along the length direction of the holding plate 2, and the locking portions 15,
An elastically deformable locking piece 32 having a pair of engaging portions 31, 31 that engages with 15, and an operation that extends in the width direction of the presser plate 2 continuously at the center in the length direction of the locking piece 32. Piece 30
The holding member 3 integrally formed with the holding member 3 is movably held in the width direction of the holding plate 2, and the holding portion of the holding member 3 in the holding plate 2 includes the operation piece 30 when the closing member 3 is operated. The engaging piece 32 is in contact with both sides of the continuous portion between the engaging portion 31 and the engaging portion 31,
Abutment part 2 for elastically deforming in a direction away from 5 and 15
9, 29 are provided.

According to the second aspect of the present invention, the operation piece 30 of the closing body 3 is slidably contacted with the first operation piece 33 which comes into sliding contact with the front side of the holding plate 2 and the back side of the holding plate 2. Second
The first and second operation pieces 33, 35 are formed from an operation piece 35 and a connection piece 34 for connecting these operation pieces 33, 35.
35, the closing plate 3 is held by the holding plate 2 so as to be movable in the width direction of the holding plate 2, and on both sides in the length direction of the second operation piece 35,
Stoppers 37, 37 are provided, and on the back side of the holding plate 2,
An engaging step 28 is provided for engaging the stoppers 37 and 37 to prevent the operation piece 30 from moving toward the opposite side of the locking piece.

The invention according to claim 3 is characterized in that the operation piece 30
Stoppers 37, 37 are provided on both sides in the longitudinal direction, and the stoppers 37, 37 are engaged with the holding plate 2 to prevent the operation piece 30 from moving toward the non-locking side. 28,
28, and the engaging step 2 of the stoppers 37, 37 are provided.
8 and 28, and the contact portion 2 of the locking piece 32
The length H1 between the contact surfaces 9 and 29 is longer than the length H2 between the engaging step portions 28 and 28 and the contact portions 29 and 29, and the stoppers 37 and 37 are Engaging steps 28, 2
8 is brought into elastic contact with the locking piece 32 by the reaction force.

[0010]

According to the first aspect of the present invention, the binding device main body 1 is provided.
A pair of rising walls 12a and 12b,
Since the recess 12c for inserting and removing the holding plate 2 is provided between 2a and 12b, the holding plate 2 is gripped by the recess 12c when the insertion rod 22 is inserted into the cylindrical binding rod 13. The insertion rod 22 can be inserted into the cylindrical binding rod 13 while intervening with the finger that is being inserted, and the insertion operation can be easily performed.
When taking out a piece of paper bound in the middle part of the above, when performing so-called hollowing out of a piece of paper, insert the finger of the hand holding the holding plate 2 into the recess 12c and separate the bound paper piece from the recess 12c. Since the paper piece and the holding plate 2 can be taken out at the same time, the blanking of the paper piece can be easily performed.

Further, locking portions 15 are provided on the rising walls 12a and 12b disposed on both sides of the insertion / removal operation concave portion 12c, and the locking portions 15 are provided on the closing body 3 held on the holding plate 2. Is provided so as to maintain the closed position of the press plate 2 at both sides of the insertion / removal operation concave portion 12c, so that the closed state of the press plate 2 is ensured. Can be maintained.

Further, the rising walls 12a, 1a of the binding device body 1
An elastically deformable locking piece 32 having a pair of engaging portions 31, 31 engaged with the locking portions 15, 15 provided in 2 b, and being continuous with a longitudinal central portion of the locking piece 32. The holding plate 2
Since the operation piece 30 extending in the width direction is integrally formed as the closing body 3, the structure of the closing body 3 can be simplified.
According to the invention described in the second aspect, the operation piece 30 of the closing body 3 can be attached to the holding plate 2 by increasing the workability of assembling the stopping body 3 to the holding plate 2. The first operation piece 33 is in sliding contact with the front surface side, the second operation piece 35 is in sliding contact with the back side of the holding plate 2, and a connecting piece 34 that connects the operation pieces 33, 35. The holding plate 2 is sandwiched between the second operation pieces 33 and 35 to hold the closing body 3 on the holding plate 2 so as to be movable in the width direction of the holding plate 2. Stoppers 37, 37 are provided on both sides in the vertical direction, and the respective stoppers 37 are engaged on the back side of the holding plate 2 to prevent the operation piece 30 from moving toward the non-locking side. Since the operation piece 30 and the locking piece 32 are integrally formed, the Body 3 can turn pressing plate 2 moves operably held against, moreover, it can prevent separation from the pressing plate 2 of the closure body 3.

According to the third aspect of the present invention, the engaging steps 28, 2 of the stoppers 37, 37 provided on the operation piece 30 are provided.
8 and the contact portions 29, 2 of the locking pieces 32.
9, the length H1 between the contact surface and the engaging step 28,
Since the length between the contact portions 29 and 29 is longer than the length H2 and the stoppers 37 and 37 are elastically contacted with the engaging step portions 28 and 28 by the reaction force of the locking piece 32, There is no play in the direction of movement of the closing body 3 with respect to the holding plate 2, and the closing body 3 can be quickly moved, so that the mounting and removing of the holding plate 2 to and from the binding body 1 can be performed quickly. Also, rattling of the closing body 3 against the pressing plate 2 can be reliably prevented.

[0014]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS A binding device shown in FIGS. 1 to 10 has a binding device main body 1 fixed to a back cover F of a file having a front, a back cover and a spine, and is detachably attached to the binding device body 1. FIG. Presser plate 2 to be attached
As shown in FIGS. 1 to 3, the binding body 1 is provided with one side in the width direction on both sides in the length direction of the narrow and long substrate 11, facing upward. A pair of right and left rising walls 12a and 12b extending orthogonally are provided, a recess 12c for inserting and removing the holding plate 2 is formed between the rising walls 12a and 12b, and both sides of the substrate 11 in the longitudinal direction. , Two cylindrical binding rods 13 extending upward along the respective rising walls 12a, 12b and being lower than the respective rising walls 12a, 12b are protrudingly provided. At both ends in the longitudinal direction, mounting holes 14 for inserting fixing members for fixing the substrate 11 to the back cover F are formed, while upper ends of the rising walls 12a and 12b on the side of the concave portion 12c are formed. The locking portions 15, 15 with which the closing body 3 described later is engaged are formed in the portions. To it than, the respective locking portions 15
1 and 9, each of the rising walls 12
a and 12b are integrally formed with bulging portions 12d and 12d, which bulge upward, respectively, at upper ends of the concave portions 12c.
Each of the locking portions 15 is formed below the bulging portion 12d.
Are respectively formed in a concave shape.

Further, the binding device main body 1 is entirely formed of a synthetic resin, and the substrate 11 thereof is formed as shown in FIGS.
0, the substrate body 11b has a rectangular concave portion 11a on the upper surface side and is fixed to the file cover F.
And a swinging portion 11d of the same shape, which is swingably connected to one side in the width direction of the substrate body 11b via a hinge 11c, and can be housed in the recess 11a substantially flush. Each of the cylindrical binding rods 13 and the rising walls 12a and 12b are integrally provided on the swinging portion 11d. According to the configuration described above, when opening the middle of the paper piece P bound to each of the cylindrical binding rods 13 via the holding plate 2 as shown in FIG.
b, the rocking portion 11d is rocked outward, and the cylindrical binding rods 13 and the wall portions 12a, 12b are rocked outward accordingly. The binding angle of the paper piece P bound in the middle of the binding lever 13 with respect to the file cover F can be set to a gentle slope, so that the paper piece P can be easily viewed. As shown in FIG. 3, a plurality of engaging projections 11e are provided at each corner of the swinging portion 11d, and the concave portion 11 in which the swinging portion 11d is stored.
A plurality of locking portions 11f capable of locking the engaging protrusions 11e are formed at each corner of the plurality of locking portions 11a.
By locking each of the engaging projections 11e to f, the swinging portion 11d can be locked in the concave portion 11a without being detached without permission.

As is apparent from FIGS. 1, 4 and 5, the holding plate 2 has a narrow width and a long length, and a central portion in the length direction of the holding plate 2 is provided with each of the rising walls 12a and 12b. Attachment of the closing body 3 that engages with the stopper 15 and maintains the closed position of the presser plate 2 with respect to the binding device main body 1, and is performed on both sides in the length direction of the presser plate 2 and on one side in the width direction. A pair of insertion rods 22 extending orthogonally toward the side and capable of being inserted into and removed from each of the cylindrical binding rods 13 are protrudingly provided. In the other direction, the insertion rod 22
Is inserted into the cylindrical binding rod 13,
A pair of left and right guide pieces 4, 4 which are in contact with the upper ends of the guide pieces a, 12b and guide the insertion rod 22 to the cylindrical binding rod 13 are provided. Engages with both ends of the rising walls 12a and 12b, and sets the position of the holding plate 2 with respect to the binding device body 1 when the insertion rod 22 is inserted into the cylindrical binding rod 13. A pair of left and right engaging steps 5, 5
Are protruded in opposition. When the insertion rod 22 is inserted into the cylindrical binding rod 13, the engaging step portions 5 are engaged with both side ends of the rising walls 12 a and 12 b, and the guide pieces are By moving the holding plate 2 toward the binding device main body 1 while bringing the insertion rod 22 into contact with the rising walls 12a and 12b, the insertion of the insertion rod 22 into the cylindrical binding rod 13 is simplified. To be able to do it. The presser plate 2
As shown in FIG. 10, is formed integrally with the guide piece 4 by a synthetic resin, and at the time of the molding, the respective insertion rods 22 are integrally embedded.

As shown in FIG. 1, FIG. 4, FIG. 5, and FIG. 7, the pressing plate 2 to which the closing member 3 is attached has an upper surface from one edge in the width direction to the other edge. A rectangular sliding groove 23 extending toward the front side is provided, and a rectangular concave portion 24 is provided on the lower back surface side; a guide groove 25 recessed from the concave portion 24 toward the guide piece 4 side;
A pair of receiving grooves 27, 27 communicating with the rear side of the upper surface and receiving the upper ends of the rising walls 12a, 12b. A notch 2 in the center to allow the sliding groove 23 and the recess 24 to communicate with each other;
6 are provided.

As shown in FIG. 6, the closing member 3 is provided with an operating piece 30 movably mounted in the width direction of the holding plate 2, and the rising wall 1 is pressed by operating the operating piece 30.
An elastically deformable engaging piece 32 having a pair of left and right engaging parts 31 engaged and disengaged from each of the engaging parts 15 of 2a and 12b, and these engaging pieces 32 and the operation piece 30 are made of synthetic resin. They are integrally molded.

More specifically, as shown in FIGS. 1, 5 and 7, the operation piece 30 of the closing body 3 is inserted into the sliding groove 23 formed on the upper surface side of the holding plate 2 in the width direction. The first operation piece 33 having a rectangular shape slidably inserted into the operation piece 33 and the recess 24 provided integrally with the operation piece 33 via a connection piece 34 and provided on the back surface side of the holding plate 2. The first and second operation pieces 33 and 35 sandwich the upper and lower surfaces of the presser plate 2 between the first and second operation pieces 33 and 35. The closing member 3 is inserted into the notch 26 so as to hold the entirety of the closing member 3 so as to be movable in the width direction of the pressing plate 2. The length of the holding plate 2 in the guide groove 25 is reduced through a narrow continuous portion 36 protruding toward the groove 26. The elastically deformable locking pieces 32 each having a length extending along the length thereof are integrally connected to each other. The engaging portions 31 that intervene in the grooves 27 and engage with the locking portions 15 of the rising walls 12a and 12b inserted into the receiving grooves 27 are integrally formed, while the second operation is performed. When the first and second operating pieces 33 and 35 of the closing body 3 are assembled on both upper and lower surfaces of the holding plate, the second operating piece 35 interposed in the concave portion 24 is provided on both sides in the length direction of the piece 35.
And a pair of right and left stoppers 37, which can hold the closing body 3 on the holding plate 2
37 are integrally formed.

That is, when the second operation piece 35 is set in the recess 24 at one side in the width direction of the recess 24 in the holding plate 2 at the side where the notch 26 is formed, the opposite of the locking piece 32 is set. The engaging step portions 28 to which the respective stoppers 37 are brought into contact by force are respectively erected, and the respective stoppers 37 are brought into contact with the respective engaging step portions 28 to thereby prevent the operation piece 30 from being locked. That is, movement to one side is prevented, and detachment of the closing body 3 from the holding plate 2 is prevented. 1, 4, 5, and 6
As shown in FIG. 8, an inclined surface 28 a having a height decreasing toward the notch 26 is formed, and each of the stoppers 37 is formed in a thin shape that can be elastically deformed.
On the front side in the mounting direction of each of the stoppers 37, there is formed an inclined surface 37a that becomes thinner as going outward in the length direction from the mounting base side of the stopper 37 to the second operation piece 35, respectively. When the second operation piece 35 is inserted into the recess 24 from the notch 26 at the time of assembling the closing body 3 to the holding plate 2, a portion of the stopper 37 on the side of the inclined surface 37 a of the base at the position of each of the stoppers 37. Each of the stoppers 3 is brought into contact with the inclined surface 28a of the joint portion 28 to push the connecting piece 34 of the operating piece 30 from the outside.
7 is easily deformed by the inclined surface 28a and easily climbs over each of the engaging step portions 28, so that each of the stoppers 37
Are easily inserted into the recess 24.

As shown in FIGS. 5 and 8, inside the guide groove 25 of the presser plate 2, there are two outside positions sandwiching the continuous portion 36 of the operating piece 30 and the locking piece 32. When the operation piece 30 is pushed, an intermediate portion in the length direction of the locking piece 32 abuts, and the locking piece 32 is attached to each of the engaging portions 3.
1 is elastically deformed in a direction away from each of the receiving grooves 27, that is, a direction in which each engaging portion 31 is separated from each locking portion 15 of the rising walls 12a, 12b inserted into each of the receiving grooves 27. Left and right contact portions 29, 29 for elastically deforming
Is provided.

Further, as is apparent from FIG. 7, a swelling portion 35a which swells downward is formed below the second operation piece 35 constituting the operation piece 30, so that the closing body 3 is formed. When moving the pressing plate 2 in the width direction, the bulging portion 3
The operation of moving the closing body 3 is facilitated via the connecting member 5a, and the distal end side of each of the engaging portions 31 provided on both sides in the length direction of the locking piece 32 has a sharpened portion 31 respectively.
a is formed so that each of the engaging portions 31 can be easily inserted and locked into each of the locking portions 15 of the rising walls 12a and 12b.

Next, the operation of the binding device having the above configuration will be described. First, when assembling the closing body 3 to the holding plate 2, the locking piece 32 is inserted into the recess 24 of the holding plate 2, and the widthwise end of the first operation piece 33 is inserted into the sliding groove 2.
3 and then the second operation piece 35 is inserted into the recess 24 from the notch 26 of the holding plate 2 and the stoppers 37 provided on both sides in the longitudinal direction of the second operation piece 35 are inserted into the recess. At this time, the engaging step 28 of the holding plate 2 is provided with an inclined surface 28a whose height decreases toward the notch 26, and each of the stoppers 37 It is formed in a thin shape that can be elastically deformed, and
The front surfaces of the stoppers 37 in the mounting direction are each formed with an inclined surface 37a that becomes thinner from the mounting base side of the respective stopper 37 to the second operation piece 35 toward the outside in the length direction. The stopper 37 is made to contact with the inclined surface 28a of the engagement step 28 by pressing the portion of the stopper 37 on the inclined surface 37a side to push the connecting piece 34 of the operating piece 30 so that each of the stoppers 37 Each engagement step 28 is easily passed over and inserted into the recess 24, and at the same time, the second operation piece 35 is inserted into the recess 2.
4, the upper and lower surfaces of the holding plate 2 are sandwiched between the first and second operation pieces 33 and 35, and the closing body 3 is closed.
Is held movably in the width direction of the presser plate 2,
Further, the locking piece 32 integrally formed with the second operation piece 35 via a continuous portion 36 is inserted into the guide groove 25 and provided on both sides in the length direction of the locking piece 32. Each engaging portion 31 is interposed in a part of each receiving groove 27,
It engages with each locking portion 15 of each rising wall 12a, 12b.

Therefore, according to the closing member 3 described above, the operation piece 30 includes the first and second operation pieces 33 and 35 connected and integrated by the connection piece 34. Each of the engaging portions 3 is provided on both sides in the longitudinal direction through the continuous portion 36.
1 is provided integrally, that is, since the entire components constituting the closing body 3 are integrally formed, there is no need to attach a plurality of components as in the related art. The workability of assembling the closing body 3 to the holding plate 2 can be enhanced, and the closing body 3 sandwiches the holding plate 2 between the first and second operation pieces 33 and 35, and Since stoppers 37 are provided on both sides of the second operation piece 35 in the longitudinal direction, and the engaging step portions 28 with which the stoppers 37 are engaged are provided on the presser plate 2, the closing body 3 is detached from the presser plate 2. Can be prevented, this closing body 3
Can be securely held on the holding plate 2. In addition, the engaging step 28 is provided with an inclined surface 28a,
Since the stopper 37 is formed in a thin shape that can be elastically deformed, the stopper 37 can be easily engaged with the engaging step 28 when the closing body 3 is attached to the holding plate 2. As a result, the workability of assembling the closing body 3 can be improved.

Further, when binding the paper pieces P to the respective cylindrical binding rods 13 of the binding device main body 1, the presser fixed to the engaging portions 15 of the rising walls 12a, 12b of the binding device main body 1. When the plate 2 is to be removed, the operating piece 30 of the closing body 3 is pushed in the width direction of the holding plate 2 so that the operating piece 3 is moved.
0, the intermediate portion in the length direction of the locking piece 32,
The abutment piece 32 is brought into contact with each abutment portion 29 provided in the guide groove 25 of the holding plate 2, and as shown by a virtual line in FIG. Each of the engaging portions 31 provided at both ends is elastically deformed in a direction away from each of the receiving grooves 27, and accordingly, the rising walls 12a, 12b of the binding device main body 1 inserted into each of the receiving grooves 27. Each locking part 1
5, the respective engaging portions 31 are separated from each other, and the disengagement of the holding plate 2 from the binding device body 1 by the closing body 3 is easily performed. Therefore, the holding member 3 is disengaged in the disengaged state. By pulling out the respective insertion rods 22 of the plate 2 outwardly from the respective cylindrical binding rods 13 of the binding device main body 1, the holding plate 2 can be easily removed from the binding device main body 1.

Then, after the paper piece P is inserted into each of the cylindrical binding rods 13, in order to attach the holding plate 2 to the binding device main body 1, each of the insertion rods 22 is connected to each of the cylindrical binding rods 13. By inserting each of the rising walls 12a and 12b into each of the receiving grooves 27 while being inserted into the receiving groove 27, the locking pieces 32 are elastically deformed, and the respective elastic portions are restored, so that each of the engaging portions 31 is raised. It is inserted and locked in each locking portion 15 of the walls 12a and 12b,
The closing plate 3 keeps the presser plate 2 in the closed position with respect to the binding device main body 1, and the binding of the paper piece P is completed as shown in FIG. As described above, when the closed state of the presser plate 2 is maintained by the closing body 3, the engaging portions 31 integrally formed on both sides in the length direction of the locking pieces 32 of the closing body 3 are locked by the locking parts 31. Due to the elastic force of the piece 32, each of the locking portions 15 provided on the rising walls 12a and 12b of the binding device main body 1 is locked. Therefore, the closed state of the holding plate 2 can be reliably maintained.

Further, the binding device main body 1 is provided with a pair of right and left rising walls 12a and 12b.
Since the concave portion 12c for inserting / removing the holding plate 2 is provided between 12b, when the inserting rod 22 is inserted into the cylindrical binding rod 13, the holding plate 2 is gripped by the concave portion 12c. The insertion rod 22 can be inserted into the tubular binding rod 13 while intervening with the finger, and the insertion can be easily performed. When taking out a piece of paper P bound in a portion, that is, when performing a so-called hollowing out of a piece of paper P, a finger holding the holding plate 2 is inserted into the recess 12c, and the bound paper piece is separated from the recess 12c. Since the paper piece and the holding plate 2 can be taken out at the same time, the blanking of the paper piece can be easily performed.

In the embodiment described above, the stopper 3
7, 37 are elastically contacted with the engaging step portions 28, 28, as shown in FIG.
The length H1 between the contact surfaces of the engaging pieces 32 and 37 with the engagement step portions 28 and 28 and the contact surfaces of the locking pieces 32 with the contact portions 29 and 29 is determined by the engagement step Parts 28, 28 and the contact part 2
9 and 29, so that when the closing body 3 is set in the recess 24, the locking piece 32 is elastically deformed, and the stopper 37,
37 comes into elastic contact with the engaging step portions 28, 28 by the reaction force of the locking piece 32. This elastic contact is not always necessary, but by doing so, it is possible to eliminate play in the direction of movement of the closing body 3 with respect to the holding plate 2, and to allow the closing body 3 to be moved quickly. The attachment and detachment of the plate 2 to and from the binding body 1 can be performed quickly, and rattling of the closing body 3 against the pressing plate 2 can be reliably prevented.

[0029]

As described above, according to the first aspect of the present invention, the binding body 1 is provided with the pair of rising walls 12a and 12b, and the pressing plate 2 is provided between the rising walls 12a and 12b. Is provided, when inserting the insertion rod 22 into the cylindrical binding rod 13, the finger holding the holding plate 2 is interposed in the depression 12 c while the insertion rod 22 is inserted into the cylindrical binding rod 13. The insertion rod 22 can be inserted into the cylindrical binding rod 13, and the insertion operation can be easily performed.
When taking out a piece of paper bound in the middle portion of the cylindrical binding rod 13, or when performing so-called hollowing out of a piece of paper, insert a finger of the hand holding the holding plate 2 into the recess 12 c and insert the finger into the recess 12 c. Can be separated from each other and the sheet and the presser plate 2 can be taken out at the same time, so that the sheet can be easily hollowed out.

Further, locking portions 15 are provided on the rising walls 12a, 12b disposed on both sides of the insertion / removal operation concave portion 12c, and the locking portions 15 are provided on the closing body 3 held on the holding plate 2. Is provided so as to maintain the closed position of the press plate 2 at both sides of the insertion / removal operation concave portion 12c, so that the closed state of the press plate 2 is ensured. Can be maintained.

Further, the closing member 3 is provided with the engaging portions 3
1 and an operating piece 30 extending in the width direction of the presser plate 2 continuously at a central portion in the length direction of the locking piece 32, and the operating piece 30 is integrally formed. The structure of the closing body 3 can be simplified, the workability in assembling the closing body 3 to the holding plate 2 can be improved, and an inexpensive binding device can be provided.

Further, according to the second aspect of the present invention, the operating piece 30 of the closing body 3 is brought into contact with the first operating piece 33 slidably in contact with the front side of the holding plate 2 and the back side of the holding plate 2. The first and second operation pieces 3 are constituted by a second operation piece 35 that slides and a connection piece 34 that connects these operation pieces 33 and 35.
3 and 35, the holding plate 2 is sandwiched, and the closing body 3 is held on the holding plate 2 so as to be movable in the width direction of the holding plate 2, and on both sides in the length direction of the second operation piece 35. Are provided with stoppers 37, 37, and on the back side of the holding plate 2, there are provided engaging step portions 28 with which the respective stoppers 37 are engaged to prevent the operation piece 30 from moving toward the non-locking piece side. Therefore, although the operation piece 30 and the locking piece 32 are integrally formed, the closing body 3 can be movably held with respect to the holding plate 2 with a simple configuration. Presser plate 2
Can be prevented from coming off.

According to the third aspect of the present invention, stoppers 37 are provided on both sides of the operation piece 30 in the longitudinal direction.
The holding plate 2 is provided with engaging step portions 28, 28 with which the stoppers 37, 37 are engaged to prevent the operation piece 30 from moving toward the non-locking side, and the engagement of the stoppers 37, 37 is provided. The length H1 between the contact surface with the joint portions 28, 28 and the contact surface of the locking piece 32 with the contact portions 29, 29 is determined by setting the length H1 between the engagement step portions 28, 28 The length between the contact portions 29, 29 is longer than H2, and the stoppers 37, 37 are
Since the stoppers 8 and 28 are elastically contacted with each other by the reaction force of the locking piece 32, there is no play in the moving direction of the closing body 3 with respect to the holding plate 2, and the closing body 3 can be quickly moved, and the holding plate 3 can be moved accordingly. 2 can be quickly attached to and detached from the binding device main body 1, and rattling of the closing body 3 on the pressing plate 2 can be reliably prevented.

[Brief description of the drawings]

FIG. 1 is a perspective view showing a state in which a pressing plate of a binding device according to the present invention is removed from a binding device main body.

FIG. 2 is a front view of a binding device main body constituting the binding device.

FIG. 3 is a plan view showing a swinging part developed with respect to a substrate body provided on the binding body.

FIG. 4 is a front view of a holding plate constituting the binding device.

FIG. 5 is a bottom view of FIG. 4;

FIG. 6 is an enlarged bottom view of a closing body constituting the binding device.

FIG. 7 is an enlarged sectional view taken along the line XX of FIG. 4;

FIG. 8 is a partially omitted bottom view showing a main part of attachment of the closing body to the holding plate.

FIG. 9 is an enlarged cross-sectional view taken along the line YYY of FIG. 2;

FIG. 10 is a longitudinal sectional view showing a state in which a holding plate is attached to a binding device main body.

FIG. 11 is a partial sectional view showing another embodiment.

FIG. 12 is a side sectional view showing a conventional binding device.

FIG. 13 is a partially cutaway plan view of a holding plate showing a conventional closing body.

[Explanation of symbols]

 REFERENCE SIGNS LIST 1 binding device main body 12a, 12b rising wall 12c recess 13 cylindrical binding rod 15 locking portion 2 holding plate 22 insertion rod 28 engaging step portion 29 contact portion 3 closing body 30 operating piece 31 engaging portion 32 locking Piece 33 first operation piece 34 connecting piece 35 second operation piece 36 continuous part 37 stopper

Claims (3)

(57) [Claims] 1. A binding body (1) having a plurality of cylindrical binding rods (13) and a holding plate (2) having a plurality of insertion rods (22) inserted into the cylindrical binding rod (13). The binding body (1) is provided with a pair of rising walls (12a) and (12b) having locking portions (15), and these rising walls (12a) and (12b) are provided. A recess (12c) for insertion / removal operation of the holding plate (2) is formed between the holding plates, and the holding plate (2) has a length extending along the length direction of the holding plate (2). And the locking portions (1) on both sides in the length direction.
5) A pair of engaging portions (31) and (31) that engage with (15).
And an operating piece (30) extending in the width direction of the holding plate (2) continuously at the center in the longitudinal direction of the locking piece (32). The formed closing body (3) is movably held in the width direction of the holding plate (2), and the holding portion of the closing body (3) in the holding plate (2) includes:
When the closing member (3) is operated, the locking pieces (32) are in contact with both sides of the continuous portion with the operation piece (30), and the engaging portions (31) and (31) are moved. Each locking part (15) (1
5) Abutment section (29) for elastically deforming in the direction away from
A binding device provided with (29). 2. The operation piece (30) of the closing body (3) comes into sliding contact with a first operation piece (33) that comes into sliding contact with the front side of the holding plate (2) and the back side of the holding plate (2). 2nd operation piece (35)
And a connecting piece (34) for connecting these operating pieces (33) and (35), and the first and second operating pieces (33).
(35) sandwiching the holding plate (2), holding the closing body (3) on the holding plate (2) movably in the width direction of the holding plate (2); Stoppers (37) and (37) are provided on both sides in the length direction of the operation piece (35), and the stoppers (37) and (37) are engaged with the back side of the presser plate (2) to perform the operation. The binding device according to claim 1, further comprising an engagement step (28) for preventing the piece (30) from moving toward the opposite side of the locking member. 3. A stopper (37) (37) is provided on both sides in the length direction of the operation piece (30), and the stopper (37) (37) is engaged with the holding plate (2). An engaging step (2) for preventing the operation piece (30) from moving to the side opposite to the locking piece.
8) and (28) are provided, the contact surfaces of the stoppers (37) and (37) with the engaging step portions (28) and (28), and the contact portions (29) of the locking pieces (32). The length (H1) between the abutment surface and the abutment surface of the engagement step portion (28)
And the length between the contact portions (29) and (29) is longer than the length (H2), and the stoppers (37) and (37) are engaged with the engagement step portions (28) and (28). 2. The binding device according to claim 1, wherein the binding device is elastically contacted by the reaction force of the piece.