CN102233764A - Loose-leaf binder - Google Patents
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- CN102233764A CN102233764A CN2010102552639A CN201010255263A CN102233764A CN 102233764 A CN102233764 A CN 102233764A CN 2010102552639 A CN2010102552639 A CN 2010102552639A CN 201010255263 A CN201010255263 A CN 201010255263A CN 102233764 A CN102233764 A CN 102233764A
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- leaf binder
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Abstract
The invention relates to a loose-leaf binder, which can stably maintain a cam in a closing state and can maintain the closing state when a force application unit applies the maximum force. The cam (252) is composed in a manner of abutting against at least one of a first connection component (230) and a second connection component (231). A protruding portion (234) for preventing the cam (252) from rotation is disposed at one connection component (230, 231) which abuts against the cam (252) under the state that the top end of each binding component (220, 221) abuts against each other. The protruding portion (234) is composed in a manner of contacting with a straight line approximately parallel with a rotation shaft of the cam (252) under the closing state that the top ends of the binding components (220, 221) abut against each other.
Description
Technical field
The present invention relates to the loose-leaf binder of a kind of data etc.
Background technology
The application's applicant has proposed a kind of loose-leaf binder, this loose-leaf binder is by being provided with Semicircular annular element and with the parallel assembling of two boards on two boards, operation is rotated two boards by bar, comes (for example, with reference to patent documentations 1) such as bookbinding data thereby close Semicircular annular element.
The bar of this loose-leaf binder is provided with protuberance in the substantial middle of the length direction of two boards, when opposing when open state is closed loose-leaf binder to the spring of the loose-leaf binder application of force, the base end side of bar presses down described protuberance.
Patent documentation 1: the international communique that discloses No. 2005/100044
The technical problem to be solved in the present invention is:
(1) loose contact of more anti-stopping bar of needs and protuberance.
Promptly, since the base end side of bar and protuberance carry out contacting, so exist any one party or two sides' ad-hoc location that the possibility of wearing and tearing takes place.
(2) in addition, though for the closed condition that two boards is held in loose-leaf binder need continue the recuperability of antagonistic spring and stand weight of data that loose-leaf binder binds etc. etc., but under a state of contact, also to consider the situation that the base end side of bar can be deviate from from protuberance, thereby need to continue to keep more reliably the closed condition of loose-leaf binder.
Summary of the invention
In view of the above problems, the invention provides a kind of further loose-leaf binder of having improved above-mentioned existing loose-leaf binder.
Loose-leaf binder according to the present invention comprises: the first tabular attaching parts are provided with Semicircular binding part; The second tabular attaching parts, on one side with the first attaching parts butt, and be provided with Semicircular binding part; Application of force unit is at ordinary times at least one the opposite side application of force to front cover body in first attaching parts and second attaching parts; The first attaching parts fixed part and the second attaching parts fixed part, respectively will with first attaching parts and second attaching parts in mutually the limit of the relative side in limit of butt remain on assigned position with respect to front cover body, and can be that benchmark rotates each attaching parts with this position; Cam is arranged on a side relative with front cover body with respect to first attaching parts and second attaching parts, is used for limiting at least one amount of spin of first attaching parts and second attaching parts; Bearing is limited in the turning cylinder of the cam on the front cover body on the assigned position with respect to front cover body; And operating unit, be installed on the cam.
Cam constitute with first attaching parts and second attaching parts at least one butt.
Attaching parts with the cam butt in first attaching parts and second attaching parts are provided with protrusion, and protrusion is used to prevent the rotation of cam under the top ends of each binding part state against each other.
Protrusion constitute under the top ends of the binding part closed condition against each other at least with cam with the straight line of the turning cylinder almost parallel of cam on contact.
Thus, can stably keep cam in off position down.
Specifically, owing to make binding part not have the open state of butt to change each other to the top ends of binding part from closed condition by the operating operation unit, so descend application of force unit applied force the strongest in off position, and do not have an application of force unit applied force in that open state is next, thereby can stably keep cam in off position down.
In addition, under the strongest closed condition of applied force, protrusion and cam are not the some contacts that contacts on one point, so can solve in protrusion and the cam any or two easy wear problems.
Preferred protrusion constitutes contact area maximum following in off position and cam.
Thus, can more stably keep cam down in off position, and can keep the closed condition of application of force unit applied force maximum easily.
Preferred protrusion contacts with cam surface down in off position.
Thus, can more stably keep cam down in off position, and can keep the closed condition of application of force unit applied force maximum easily.
Preferred protrusion has the higher and lower inclined-plane of a side of connection not of a side that is connected with another attaching parts, and inclined-plane and be in cam butt under the closed condition.
Thus, in off position down, the cam of inclined-plane and formation shutoff device can be in the parastate with respect to the front cover body level, can further stably keep cam, and can keep the closed condition of application of force unit applied force maximum easily.
Preferred inclined-plane is to be set up with the angle of front cover body almost parallel down in off position.
Thus, in off position down, the cam of inclined-plane and formation shutoff device can be in the parastate with respect to the front cover body level, can stably keep cam, and can keep the closed condition of application of force unit applied force maximum easily.
In addition, also considered the inclined-plane is not set on protrusion, and the inclined-plane has been set in the cam side, but, consider when especially being made of resin cam etc. the cam wearing and tearing easily that become, and be difficult to keep closed condition, thereby the periphery of cam is made parallel with the turning cylinder of cam so that cam be difficult to wearing and tearing.
According to said structure of the present invention, obtained following technique effect.
Promptly, can be in off position more stably keep cam down, closed condition that can easier maintenance application of force unit applied force maximum.
And in off position down, the cam of inclined-plane and formation shutoff device can be in the parastate with respect to the front cover body level, can further stably keep cam.
And, can further prevent in protrusion that protrusion is easy to generate when a bit contacting with cam and the cam any or two situations that wearing and tearing take place.
Description of drawings
Fig. 1 is the stereogram of the state of expression when being installed to loose-leaf binder on the file.The arrow of stipulating direction among the present invention (directions X, Y direction, Z direction) has been shown among Fig. 1.
Fig. 2 is that the expression loose-leaf binder is in the stereogram under the closed condition.
Fig. 3 is the exploded perspective view of loose-leaf binder.
Fig. 4 is that the expression loose-leaf binder is in the vertical view under the closed condition.
Fig. 5 is the upward view of loose-leaf binder.
Fig. 6 is the sectional view of expression along the A-A line of Fig. 4.
Fig. 7 is the sectional view of expression along the B-B line of Fig. 4.
Fig. 8 is that the expression loose-leaf binder is in the stereogram under the open state.
Fig. 9 corresponding diagram 8 is that loose-leaf binder is in the sectional view under the open state.
Figure 10 is the vertical view of housing.
Figure 11 is the sectional view of expression along the C-C line of Figure 10.
Figure 12 is the sectional view of expression along the D-D line of Figure 10.
Figure 13 is the sectional view of expression along the E-E line of Figure 10.
Figure 14 is the sectional view of expression along the F-F line of Figure 12.
Figure 15 is the sectional view that is illustrated in housing state when packing attaching parts under the state of Figure 13.
Figure 16 is the vertical view of first attaching parts.
Figure 17 is the sectional view of expression along the G-G line of Figure 16.
Figure 18 is the sectional view of expression along the H-H line of Figure 16.
Figure 19 is the sectional view of expression along the I-I line of Figure 16.
Figure 20 is the part of protrusion is observed in expression from the left side of Figure 16 a side view.
Figure 21 is the vertical view of second attaching parts.
Figure 22 is the sectional view of expression along the J-J line of Figure 21.
Figure 23 is the sectional view of expression along the J-K line of Figure 21.
Figure 24 is the stereogram of application of force unit.
Figure 25 is the vertical view of application of force unit.
Figure 26 is the side view of application of force unit.
Figure 27 is the stereogram of shutoff device.
Figure 28 is the side view of action bars.
Figure 29 is the vertical view of action bars.
Figure 30 is the side view of cam.
Figure 31 is the sectional view that expression is provided with the state of shutoff device.
To be expression be provided with sectional view behind the shutoff device from the state of Figure 31 to Figure 32.
Figure 33 is the key diagram of the contact condition of cam and protrusion under the expression open state.
Figure 34 is the key diagram of the contact condition of cam and protrusion under the expression closed condition.
The specific embodiment
Below, with reference to accompanying drawing embodiments of the invention are described.
As shown in Figure 1, the related file 10 of present embodiment roughly is divided into and has with lower member: (1) front cover body 100 and (2) loose-leaf binder 200.
(front cover body 100)
As shown in Figure 1, front cover body 100 for example comprises back cover 101, the crestal surface 102 that is connected with the side of back cover 101, the front cover 103 that is connected with the side of crestal surface 102, and front cover body 100 is formed by a plate-shaped member.
In addition, be not limited to situation about forming, also can constitute back cover 101, crestal surface 102, front cover 103 with independent plate-shaped member respectively, they are bonded on one form front cover body 100 by a plate-shaped member.
(loose-leaf binder 200)
Loose-leaf binder 200 is folders of bookbinding data etc., and as shown in Figure 1, loose-leaf binder 200 extends along the length direction of crestal surface 102, for example is installed in the inboard of crestal surface 102 by rivet R.
In addition, in the present embodiment, loose-leaf binder 200 is installed on the crestal surface 102, but is not limited on the crestal surface 102, also can be installed on back cover 101 or the front cover 103.
As shown in Figures 2 and 3, loose-leaf binder 200 has following each one.
(1) housing (housing) 210, (2) binding part 220,221, (3) attaching parts 230,231, (4) application of force unit 240, (5) shutoff device 250.
(housing 210)
As Figure 10 and shown in Figure 11, housing 210 has following each one.
(1) opening portion 211
As Figure 12～shown in Figure 14, opening portion 211 is arranged in the following side opening of the housing 210 relative with crestal surface 102, and forms the short side direction (left and right directions with housing 210; The Y direction) central portion is the bending of the highest (Z direction).
Thus, housing 210 being constituted that situation cylindraceous compares be not equipped with opening portion 211 on housing 210 can economical with materials, in addition, because the following side of housing 210 is by opening, so can make the operation that shutoff device 250, attaching parts 230,231 are assembled on the housing 210 become more simple.
(2) snap-latch piece 212
As Figure 12～shown in Figure 14, snap-latch piece 212 is by the side of incision opening portion 211, the outer rim that the part that makes this incision is compared housing 210 with connecting hole 213 is in the mode bending of relative inner (roughly Y direction), and with top ends (roughly-Z direction) bending laterally and form cross section く word shape.
In addition, when being assembled into attaching parts 230,231 in the housing 210, snap-latch piece 212 from state shown in Figure 14 to the inside (roughly Y direction) be bent into state shown in Figure 15.
As shown in figure 11, snap-latch piece 212 for example the length direction of housing 210 be provided with two.
In addition, as shown in figure 13, snap-latch piece 212 has the connecting hole 213 that is used to insert engaging protrusion 232.
Connecting hole 213 is examples of attaching parts fixed part, is provided with a plurality ofly, for example is provided with two on the length direction (directions X) of housing 210, and for example constitutes square shape.
Thus, when being assembled into attaching parts 230,231 on the housing 210,, just can carry out the assembling location of attaching parts 230,231 as long as the engaging protrusion 232 of attaching parts 230,231 is engaged with connecting hole 213.
In addition, by engaging protrusion 232 is engaged with connecting hole 213, can not limit each attaching parts 230,231 length direction on the notch set on the housing 210 216 and move to loose-leaf binder 200 thereby rely on binding part 220,221 is stuck in.Thus, the free degree of housing 210 shapes is improved, and the size that can significantly dwindle housing 210.
In addition, engage with connecting hole 213 by making engaging protrusion 232, thereby compare, the ability of the impact in the time of can strengthening concordance file folder 10 and fall etc. with the situation that binding part 220,221 is stuck on the notch set on the housing 210 216.
In addition, also can not connecting hole 213, but insert the otch of engaging protrusion 232, but poroid by forming, even then when forming housing 210, also have the advantage of the intensity that can keep snap-latch piece 212 by thin metallic plate.
In addition, connecting hole 213 is by engaging with engaging protrusion 232, thereby has the function as the hinge (hinge) that attaching parts 230,231 are rotated.
(3) curved tabs 214
As Figure 11 and shown in Figure 12, curved tabs 214 forms by the both sides of the edge bending to the inside with the opening portion 211 of housing 210.
Thus, application of force unit 240 can be kept, and the intensity of housing 210 can be improved.
(4) hook portion 215
In addition, be not limited to the situation that hook portion 215 is arranged on a lateral edges of curved tabs 214, also can be arranged on the both sides of the edge.
Thus, can assemble application of force unit 240 simply.In addition, can make application of force unit 240 be not easy to break away from.
(5) notch 216
As shown in Figures 2 and 3, notch 216 is provided with by the lateral margin that cuts housing 210, is used for break-through binding part 220,221.
When being assembled into attaching parts 230,231 on the housing 210, the assembling location of notch 216 auxiliary attaching parts 230,231.Also auxiliary relative position location makes described binding part 220,221 not rock after attaching parts 230,231 are pacified to housing 210.
In addition, the kerf width of notch 216 is preferably the width with binding part 220,221 butts.Thus, increase at the butt position of attaching parts 230,231 1 sides and housing 210, for example, apply very big power when falling etc. on attaching parts 230,231 time because of loose-leaf binder 200, owing to by connecting hole 213, notch 216 this power is disperseed to pass to housing 210, so can greatly improve the durability of loose-leaf binder 200.
In addition, notch 216 is not limited to cut the lateral margin of housing 210 and situation about being provided with, and it also can be the hole.When it is the hole, has the advantage of the intensity that improves housing 210.On the other hand, when the picture present embodiment is kerf in this wise, has the advantage of easy break-through binding part 220,221 when assembling.
(6) fixed part 217
As shown in Figures 2 and 3, fixed part 217 is arranged on the end of length direction (directions X) of housing 210, constitutes the flat shape that contacts with crestal surface 102.
In addition, as shown in Figures 2 and 3, fixed part 217 is provided with and is used for loose-leaf binder 200 is installed in the hole 217a that the rivet R on the crestal surface 102 uses.
(7) shutoff device is provided with mouth 218
As Fig. 8 and shown in Figure 11, shutoff device is provided with the substantial middle that mouth 218 is set at housing 210, is used to be provided with shutoff device 250.
Shutoff device is provided with mouth 218 and has side plate 218a, axis hole 218b and the axis hole covering 218c of portion.
As Fig. 2 and shown in Figure 12, substantial middle place at the length direction (directions X) of side plate 218a is provided with the 218d of side panels portion, and on the 218d of this side panels portion, be provided with axis hole 218b as an example of hole portion, the 218d of this side panels portion be by with the direction of side plate 218a quadrature, be the housing 210 that cuts the base end side of side plate 218a on the left and right directions, and the part of the housing 210 that will cut (Z direction) bending downwards and forming, the 218d of side panels portion is an example of second portion.
Thus, can make axis hole 218b be positioned at the inboard of the near surface or the housing 210 of housing 210, thereby can make loose-leaf binder 200 more slim.
In addition, the 218d of side panels portion has elasticity, utilize this elasticity, as Figure 31 and shown in Figure 32, when being arranged on shutoff device 250 on the housing 210, by joint pin P free end is bent upwards at right and left in the mode of mutual isolation as an example of the turning cylinder of cam 252, and joint pin P by after reinstatement, make joint pin P not downwards (Z direction) come off.
In addition, axis hole 218b forms by the bending axis hole covering 218c of portion.
Thus, can form axis hole 218b and the axis hole covering 218c of portion efficiently.
In addition, axis hole 218b also can be the blind hole that does not run through except that being the through hole.
The axis hole covering 218c of portion is an example of third part, and as Fig. 2 and shown in Figure 32, the axis hole covering 218c of portion is from top side plate 218a and joint pin P shutoff device 250 opposite sides (shutoff device is provided with the outside of mouth 218) covering break-through axis hole 218b.
The part of the 218d of side panels portion that the axis hole covering 218c of portion cuts by will form axis hole 218b the time is to forming with this side panels portion 218d direction bending in the same way.
Thus, with axis hole is covered the situation that the 218c of portion makes separate part and compares easier assembling.
Specifically, cut axis hole 218b at the left and right sides shown in Figure 11 and downside, the part of the side plate that downcuts is lifted to upside as hinge (hinge) with upside, and with tip side to the downside bending, the inboard of this tip side is contacted with the top of joint pin P.
Thus, after being inserted into joint pin P among the axis hole 218b, need not joint pin P to be carried out anticreep processing and can prevent that joint pin P from coming off and keep shutoff device 250 with riveted joint etc.
That is to say, can not wait by riveted joint under the situation of the anticreep processing carry out joint pin P, solve when bookbinding data etc. the joint pin P that power was applied to partly applied excessive load and make joint pin P have the possibility of disengaging problem, and need tool using etc. during in riveted joint and cost time in the problem of fit on.
In addition, by cutting downside, can when inserting joint pin P, opening portion 211 sides from housing 210 assemble shutoff device 250, thereby operation is become simple.
In addition, in the present embodiment, though with upside as hinge, also can with the left side as hinge or with the right side as hinge.
(8) slot part 219
As Fig. 2 and shown in Figure 6, slot part 219 is the substantial middle grooves that form of (Z direction) depression downwards that make housing 210 on length direction (directions X).
As Fig. 2 and shown in Figure 6, slot part 219 is mainly used in takes in the action bars 251 that constitutes shutoff device 250 in off position down, and action bars 251 is exposed from the upper surface irreducible minimum ground of housing 210.
Thus, can prevent when loose-leaf binder 200 bookbinding data or action bars 251 becomes obstruction when opening the data that is bound on the loose-leaf binder 200 situation takes place.
(binding part 220,221)
As shown in Figures 2 and 3, binding part 220,221 is made of a plurality of first binding parts 220 and a plurality of second binding part 221 that are rotatably supported on the housing 210, second binding part 221 is rotatably supported on the housing 210, by and first binding part 220 between the top ends closed condition that forms close to each other, by the top ends open state that forms separated from one another.
By attaching parts 230,231 are rotated, thereby binding part 220,221 rotates between open state and closed condition.
In addition, binding part 220,221 is not limited to a plurality of situations, also can be for single.
As shown in Figure 7, first binding part 220 and second binding part 221 are the semicircle arcuation respectively, constitute ring-type by top ends is contacted with each other.
In addition, first binding part and second binding part are not limited to the semicircle arcuation, if connect down in off position just go up can, for example also can be the D shape.
As shown in Figure 3, first binding part 220 and second binding part 221 respectively by riveted joint processing etc. and with the base end part side be fixed on attaching parts 230,231 above.
The top ends side of first binding part 220 and second binding part 221 constitutes the notch 216 that passes housing 210 and extends to housing 210 outsides, and with erect to the face approximate vertical as the interior of the crestal surface 102 of the installed surface of loose-leaf binder 200 (to Z direction roughly).
In first binding part 220 and second binding part 221 any, for example the top of first binding part 220 forms as shown in Figure 9 convex, and another, for example the top of second binding part 221 forms as shown in Figure 9 concavity.
Thus, down the top of first binding part 220 enters into the top of second binding part 221 in off position, has eliminated the difference in height between top ends, thereby can prevent that situation about blocking from taking place when opening data that loose-leaf binder 200 binds etc.
In addition, as to make the front end of binding part be S word shape, then also can make first parts and second parts general.
(attaching parts 230,231)
First, second attaching parts 230,231 connect (connection) binding part 220,221, move (side relative with this butt position rotated with respect to housing 210) by the position of both butts to the Z direction binding part 220,221 is rotated with respect to housing 210, thereby realize from open state moving to closed condition.
In addition, as Figure 16 and shown in Figure 21, first, second attaching parts 230,231 constitute rectangular-shaped shape elongated on directions X.As shown in Figure 5, one side connecting on the directions X of two parts (211 length direction (directions X) is provided with abreast along the opening portion).
In addition, attaching parts 230,231 are not limited to rectangular-shaped shape elongated on directions X, for example also can be made of bar-shaped parts to connect binding part 220,221.
As Figure 16 and shown in Figure 21, first attaching parts 230 and second attaching parts 231 have following each one.
(1) engaging protrusion 232
As Figure 16 and shown in Figure 21, engaging protrusion 232 first attaching parts 230 and second attaching parts, 231 1 avris (with a side of housing 210 butts) for example be provided with connecting hole 213 equal numbers two with the corresponding position of connecting hole 213, and, engage with connecting hole 213 to outstanding with the direction (Y direction) of length direction (directions X) quadrature of first attaching parts 230 and second attaching parts 231.
Thus, when being assembled in first attaching parts 230 and second attaching parts 231 on the housing 210, only the engaging protrusion 232 of first attaching parts 230 and second attaching parts 231 is engaged with connecting hole 213, can carry out the assembling location of first attaching parts 230 and second attaching parts 231.
In addition, engaging protrusion 232 engages with connecting hole 213, thereby has the function as the hinge that first attaching parts 230 and second attaching parts 231 are rotated.
(2) brace 233
As Figure 16 and shown in Figure 21, brace 233 another avris of the engaging protrusion 232 of first attaching parts 230 and second attaching parts 231 be provided with a plurality of, for example four, be used for making first attaching parts 230 and second attaching parts 231 one to combine with another.
Specifically, as shown in figure 16, on the both ends of the above-below direction (directions X) of first attaching parts 230, respectively be provided with two, and as Figure 18 and shown in Figure 19, upside towards the upper surface of first attaching parts 230 (+Z direction) forms, and another downside towards upper surface (Z direction) forms.
In addition, as shown in figure 21, on the both ends of the above-below direction (directions X) of second attaching parts 231, also respectively be provided with two joint fasteners 233.As Figure 22 and shown in Figure 23, opposite direction towards the brace 233 of first attaching parts 230 (downside of the upper surface of second attaching parts 231 (Z direction)) forms, and another opposite direction towards the brace 233 of first attaching parts 230 (upside of upper surface (Z direction)) forms.
Thus, the corresponding brace 233 of first attaching parts 230 and second attaching parts 231 combines from the upside and the downside of first attaching parts 230 and second attaching parts 231 each other, thereby in the adhesion that improves first attaching parts 230 and second attaching parts 231, when rotating for one in the attaching parts 230,231, another in the attaching parts 230,231 also can rotate in linkage.
In addition, as Fig. 3 and shown in Figure 16, at least one in first attaching parts 230 and second attaching parts 231, for example also has following each one on first attaching parts 230.
(3) protrusion 234
As Fig. 3 and shown in Figure 16, protrusion 234 be arranged in first attaching parts 230 and second attaching parts 231 at least one, the upper face side of the substantial middle portion of the length direction of first attaching parts 230 (directions X) (Z direction) for example, and as Fig. 6 and shown in Figure 20, by with in first attaching parts 230 and second attaching parts 231 at least one, for example first attaching parts 230 are bent into cross section く word shape and form.
Specifically, as Figure 6 and Figure 7, be in closed condition following time at loose-leaf binder 200, the cam 252 of shutoff device 250 contacts and presses down with protrusion 234, make first attaching parts 230 and, keep the closed condition of first binding part 220 and second binding part 221 by second attaching parts, 231 rotations that brace 233 combines with first attaching parts 230.
Specifically, under open state, be some contact as shown in Figure 33, by operation shutoff device 250, described first attaching parts and described second attaching parts are rotated, thereby form face contact as shown in Figure 34 in off position down.
Thus, in off position down, as shown in Figure 7, the cross section V word shape that is the inboard step-down of the loose-leaf binder 200 that first attaching parts 230 are connected with second attaching parts 231, so the cam surface of the cam 252 of lower inclined plane 234a and formation shutoff device 250 is in the parastate with respect to crestal surface 102 levels in off position, thereby can make the contact area maximum of inclined-plane 234a and cam surface, cam 252 can be stably kept, and the closed condition of the power maximum that application of force unit 240 applies can be kept easily.
In addition, can solve in 234 1 cams that are easy to generate when contacting 252 of cam surface and protrusion of cam 252 and the protrusion 234 any or two easy wear problems.
(application of force unit 240)
As Fig. 3 and shown in Figure 5, application of force unit 240 is configured on the opening portion 211 of housing 210 length direction substantial middle, and as shown in Figure 9, be in open state when making first binding part 220 and second binding part 221 flat, application of force unit 240 is to the abutting part application of force of housing 210 sides (Z direction) to two attaching parts.
For example, as Figure 24～shown in Figure 26, form application of force unit 240 by steel wire bending with an integral body.
Specifically, as shown in figure 25, the M word shape forms application of force unit 240 by being bent into a steel wire roughly, with the one side end as first one 241, end side is as second one 242, from first one 241 width that gets off continuously as the 3rd one 243, from second one 242 width that gets off continuously as the 4th one 244, from the 3rd one 243 and the 4th ones 244 width central portions that get off continuously as the 5th one 245.And as shown in figure 26, the 5th one 245 forms with the mode bending of the inclination (for example about 30 degree) that has a regulation from the 3rd one 243 and the 4th ones 244, thereby gives wire rod elastic force.
In addition, be bent into for the 3rd one 243 and the 4th ones 244 the 4th one 244 longer.
Thus, as shown in Figure 5, owing to clip below that side has the protrusion 234 in gap and from dorsal part supporting protrusion 234, so can be effectively to attaching parts 230,231 application of forces from the upside of length direction and downside.
In addition, application of force unit 240 is not limited to the bending wire rod and forms, and also can be leaf spring or disc spring etc.
As Fig. 5 and shown in Figure 7, with the 3rd one 243 and the 4th ones 244 insert be provided with in curved tabs 214 and the attaching parts 230,231 protrusion 234, for example between first attaching parts 230, afterwards, after falling back with making first one 241 and second ones 242 mutual almost parallels, as shown in Figure 5, first one 241 and second ones 242 end is stuck on the hook portion 215, thereby application of force unit 240 is installed on housing 210.
(shutoff device 250)
As Fig. 3 and shown in Figure 27, in the present embodiment, shutoff device 250 comprises: as the action bars 251 of an example of parts that are connected with rotatable parts and operating unit, and as the cam 252 of an example of rotatable parts.
By making action bars 251 and cam 252 be independent parts, thereby need not to make action bars 251 and cam 252 integrally formed, and have can be respectively with the advantage of different material formation.Promptly, for the weight that can bear the data of bookbinding on loose-leaf binder 200 etc., action bars 251 is formed by metal material, but on metal action bars 251, be difficult to offer the pore of break-through joint pin P, thereby make the manufacturing of shutoff device 250 become more easy by the cam 252 that uses easy processing.
As Fig. 3 and Figure 27～shown in Figure 29, action bars 251 is the metal bar-shaped bars that are used to open and close binding part 220,221, the operative end 251b that has the base end part 251a that is connected with housing 210 and be arranged to make the word of the falling L shape that the tip side of action bars 251 erects.
In addition, operating unit is not limited to metal bar-shaped action bars 251, as long as have the shape that cam 252 is rotated, such as the rocking bar that also can be lever (seesaw) shape.
As Fig. 3, Figure 28 and shown in Figure 29, base end part 251a is provided with recess 251c, be inserted into operating unit with joint pin P can being inserted and connects axis hole 252c under the state of the hole 252b of portion at this base end part 251a, recess 251c from operating unit with the side wall side of the 252b of hole portion be recessed into to another side wall side encase this joint pin P shape with chimeric with the joint pin P of this insertion.
Thus, compare, can suppress the height of base end part 251a with the situation that axis hole with break-through joint pin P is arranged on the base end part 251a, thereby, the height of cam 252 also can be suppressed.
Specifically, when the axis hole with joint pin P break-through is arranged on the base end part 251a, in order to form this axis hole, need make height that base end part 251a has certain degree with surround this axis hole around.Therefore, especially, compare, require cam 252 to have certain height to take in the base end part 251a of action bars 251 with both integrally formed situations making action bars 251 and cam 252 under the situation of separate part.
Therefore, during data in shutting loose-leaf binder 200 or when opening data that loose-leaf binder 200 binds etc., be easy to generate the problem that shutoff device 250 becomes obstruction.
But, as formation of the present invention, not axis hole to be set come break-through joint pin P on base end part 251a, but replace axis hole, thereby not only suppress the height of base end part 251a, can suppress the height of cam 252 yet by recess 251c is set.
Therefore, shutoff device 250 becomes the problem of obstruction in the time of can preventing data in shutting loose-leaf binder 200 or when opening data that loose-leaf binder 200 binds etc.
In addition, as shown in Figure 6, base end part 251a is installed on the cam 252 in the mode of close first attaching parts 230 of a side that is not provided with recess 251c in off position down and second attaching parts 231.
Thus, press down application of force unit applied force maximum under the closed condition of attaching parts, especially when making operating unit with metal and be made of resin cam etc., can strengthen cam and the side attaching parts butt.
In addition, be not provided with the close attaching parts side of a side of recess especially in off position down, thereby the amount that is exposed to the loose-leaf binder top is reduced with thickness.Therefore, operating unit or cam become the problem of obstruction in the time of can preventing the data in shutting loose-leaf binder 200 or when opening data that loose-leaf binder 200 binds etc., and can dwindle binding part.
As Fig. 3, Figure 28 and shown in Figure 29, recess 251c is provided with along the total length (length direction) of joint pin P, and constitutes the roughly semi-circular shape consistent with the shape of joint pin P.
In addition, recess 251c is not limited to roughly semi-circular shape, as long as consistent with the shape of joint pin P.
As Fig. 3 and shown in Figure 27, cam 252 is arranged on the base end part 251a of action bars 251, as shown in figure 30, operational ton according to action bars 251, cam 252 makes at least one rotation in first attaching parts and second attaching parts, thereby adjust binding part 220,221 switching degree, cam 252 is provided with the cam surface 252a that forms predetermined angular, run through a side of cam 252 and lead to the axis hole 252c that is used for break-through joint pin P of the drum of another side, and roughly meeting at right angles the operating unit of direction with the hole 252b of portion as connecting a example and bearing of trend axis hole 252 with hole portion, operating unit can make the base end part 251a insertion of action bars 251 extract with the 252b of hole portion.
Thus, cam 252 can be that rotate at the center with shutoff device mouthful 218 joint pin P that are connected to be set according to the operational ton of action bars 251, thereby cam surface arrives to protrusion 234 and presses down attaching parts 230,231, makes binding part 220,221 be in closed condition.
(manufacturing process)
Then, describe with reference to the manufacturing process of accompanying drawing loose-leaf binder 200.
At first, the operating unit that the base end part 251a of action bars 251 is inserted into cam 252 is with among the 252b of portion of hole, and makes joint pin P break-through axis hole 252c, assembles shutoff device 250 as shown in figure 27.
Afterwards, from the opening portion 211 of housing 210 shutoff device 250 that assembles being arranged on shutoff device is provided with in mouthfuls 218.
Specifically, be inserted into after shutoff device is provided with in mouthfuls 218 at the operative end 251b with action bars 251, as shown in figure 31, the top of joint pin P arrives to the 218d of side panels portion and positions.Afterwards, as shown in figure 31,, cam 252 is moved upward making the 218d of side panels portion when right and left is bent upwards.Shown in figure 32, after joint pin P passed through, the 218d of side panels portion restored, thereby shutoff device 250 is set up.
Then, each attaching parts 230,231 is configured in the housing 210, makes each binding part 220,221 pass the notch 216 of housing 210, thereby each attaching parts 230,231 is arranged on the housing 210 temporarily from the opening portion 211 of housing 210.
Afterwards, snap-latch piece 212 is bent into state shown in Figure 15 from state shown in Figure 14, connecting hole 213 is engaged with engaging protrusion 232, thereby each attaching parts 230,231 is assembled on the housing 210.
Then, assemble application of force unit 240 from the downside of attaching parts 230,231.
Specifically, as Fig. 5 and shown in Figure 7, the 3rd one 243 and the 4th ones 244 with application of force unit 240 are inserted between the curved tabs 214 and first attaching parts 230, afterwards, make first one 241 and second ones 242 mutual almost parallel ground distortion, then, as shown in Figure 5, first one 241 and second ones 242 end is stuck on the hook portion 215, thereby application of force unit 240 is assembled on the housing 210.
Like this, according to present embodiment, only need to assemble each parts successively and get final product from the opening portion 211 of housing 210.
(action)
Then, the action to loose-leaf binder 200 describes with reference to accompanying drawing.
At first, under Fig. 8 and open state shown in Figure 9, application of force unit 240 applies power, make first attaching parts 230 with the second attaching parts 231 one-tenth cross section inverted v-shaped shape of brace 233 with these first attaching parts, 230 combinations.
Afterwards, operating operation bar 251, the cam surface 252a of cam 252 presses down protrusion 234 as shown in Figure 6, thereby first attaching parts, second attaching parts 231 that combine with these first attaching parts 230 with brace 233 are that hinge rotates with snap-latch piece 212 and connecting hole 213.
When action bars 251 was operated the state of Fig. 6, the head portion of binding part 220,221 contacted with each other, and is in closed condition.And, cam surface 252a conversion, opposing application of force unit 240 keeps this closed condition.
When making loose-leaf binder 200 be in open state, carry out above-mentioned inverse operation.That is to say that when the action bars 251 under application drawing 6 states, cam surface 252a conversion applies power by application of force unit 240, makes 231 one-tenth cross sections of first attaching parts 230 and second attaching parts inverted v-shaped shape.
In the above-described embodiment, derive following technical proposals at least.
The loose-leaf binder 200 that present embodiment relates to comprises: be installed in housing 210 on the front cover body 100, be rotatably supported in first binding part 220 on the housing 210 and be rotatably supported in second binding part 221 on the housing 210, the top ends of the top ends of second binding part 221 and first binding part 220 is close to each other and form closed condition, and top ends is separated from each other and forms open state.
Loose-leaf binder 200 comprises: connect first binding part 220 first attaching parts 230, connect second binding part 221 second attaching parts 231, first attaching parts 230 and second attaching parts 231 are rotated and first binding part 220 and second binding part 221 are remained the shutoff device 250 of closed condition.
Has protrusion 234 in first attaching parts 230 and second attaching parts 231 at least one, protrusion 234 upper face side of at least one in these first attaching parts 230 and second attaching parts 231 swells, and presses down these first attaching parts 230 and second attaching parts 231 by contacting with cam 252.
Thus, can stably keep cam 252 down in off position, and can keep the closed condition of application of force unit 240 applied force maximums easily.
In addition, also can solve in 252 1 protrusions 234 that are easy to generate when contacting of protrusion 234 and cam and the cam 252 any or two easy wear problems.
Thus, can more stably keep cam 252 down in off position, and can keep the closed condition of application of force unit 240 applied force maximums easily.
Thus, in off position down, the cam 252 of inclined-plane 234a and formation shutoff device 250 is in the parastate with respect to front cover body 100 levels, can more stably keep cam 252, and can keep the closed condition of application of force unit 240 applied force maximums easily.
Preferred inclined-plane 234a is to be set up with front cover body 100 parallel such angles down in off position.
Thus, in off position down, the cam 252 of inclined-plane 234a and formation shutoff device 250 is in the parastate with respect to front cover body 100 levels, can stably keep cam 252, and can keep the closed condition of application of force unit 240 applied force maximums easily.
Description of symbols
10 files, 100 front cover bodies
101 back covers, 102 crestal surfaces
103 front covers, 200 loose-leaf binders
210 housings, 211 opening portions
212 snap-latch pieces, 213 connecting holes
214 curved tabs, 215 hook portions
216 notch, 217 fixed parts
The 218c axis hole covering 218d of portion side panels portion
219 slot parts, 220,221 binding parts
230,231 attaching parts, 232 engaging protrusion
233 braces, 234 protrusions
240 application of force unit, 234a inclined-plane
250 shutoff devices, 251 action bars
251a base end part 251b operative end
252c axis hole R rivet
The P joint pin
Claims (5)
1. loose-leaf binder comprises:
The first tabular attaching parts are provided with Semicircular binding part;
The second tabular attaching parts, on one side with the described first attaching parts butt, and be provided with Semicircular binding part;
Application of force unit is at ordinary times at least one the opposite side application of force to front cover body in described first attaching parts and described second attaching parts;
The first attaching parts fixed part and the second attaching parts fixed part, respectively will with described first attaching parts and described second attaching parts in mutually the limit of the relative side in limit of butt remain on assigned position with respect to front cover body, and can be that benchmark rotates each attaching parts with this position;
Cam is arranged on a side relative with described front cover body with respect to described first attaching parts and described second attaching parts, is used for limiting at least one amount of spin of described first attaching parts and described second attaching parts;
Bearing is limited in the turning cylinder of the described cam on the described front cover body on the assigned position with respect to described front cover body; And
Operating unit is installed on the described cam,
Described cam constitute with described first attaching parts and described second attaching parts at least one butt,
Attaching parts with described cam butt in described first attaching parts and described second attaching parts are provided with protrusion, and described protrusion is used to prevent that described cam rotates under the top ends of each binding part state against each other,
Described protrusion constitute under the top ends of the described binding part closed condition against each other at least with described cam with the straight line of the turning cylinder almost parallel of described cam on contact.
2. loose-leaf binder according to claim 1, wherein,
Described protrusion constitutes contact area maximum following in off position and described cam.
3. loose-leaf binder according to claim 1 and 2, wherein,
Described protrusion contacts with described cam surface down in off position.
4. according to each described loose-leaf binder in the claim 1 to 3, wherein,
Described protrusion has a side height that is connected with another attaching parts and the low inclined-plane of a side that does not connect, described inclined-plane and the described cam butt that is under the closed condition.
5. according to each described loose-leaf binder in the claim 1 to 4, wherein,
Described inclined-plane is to be set up with the angle of described front cover body almost parallel down in off position.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2010-102546 | 2010-04-27 | ||
| JP2010102546A JP5528895B2 (en) | 2010-04-27 | 2010-04-27 | Binding tool |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102233764A true CN102233764A (en) | 2011-11-09 |
| CN102233764B CN102233764B (en) | 2016-01-20 |
Family
ID=44885055
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201010255263.9A Active CN102233764B (en) | 2010-04-27 | 2010-08-13 | Loose-leaf binder |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JP5528895B2 (en) |
| CN (1) | CN102233764B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE20306130U1 (en) * | 2003-04-17 | 2003-07-03 | Lunz, Elke, 96047 Bamberg | Ring binder file, has retainer for pivoting bracket formed by plastic component mounted on end of actuator lever |
| CN1938166A (en) * | 2004-04-05 | 2007-03-28 | 株式会社锦宫事务 | Binder for document |
| US20070134053A1 (en) * | 2005-12-09 | 2007-06-14 | King Jim Co., Ltd. | Binding tool for documents or the like |
| CN101138922A (en) * | 2006-09-08 | 2008-03-12 | 利高文具制造厂有限公司 | Lever clamp mechanism |
| CN101224685A (en) * | 2007-01-19 | 2008-07-23 | 利高文具制造厂有限公司 | Lever clip mechanism |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3955868B2 (en) * | 2004-12-27 | 2007-08-08 | 株式会社キングジム | Binding tools such as documents |
| JP2007216695A (en) * | 2007-06-06 | 2007-08-30 | King Jim Co Ltd | Binder of documents or the like |
-
2010
- 2010-04-27 JP JP2010102546A patent/JP5528895B2/en active Active
- 2010-08-13 CN CN201010255263.9A patent/CN102233764B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE20306130U1 (en) * | 2003-04-17 | 2003-07-03 | Lunz, Elke, 96047 Bamberg | Ring binder file, has retainer for pivoting bracket formed by plastic component mounted on end of actuator lever |
| CN1938166A (en) * | 2004-04-05 | 2007-03-28 | 株式会社锦宫事务 | Binder for document |
| US20070134053A1 (en) * | 2005-12-09 | 2007-06-14 | King Jim Co., Ltd. | Binding tool for documents or the like |
| CN101138922A (en) * | 2006-09-08 | 2008-03-12 | 利高文具制造厂有限公司 | Lever clamp mechanism |
| CN101224685A (en) * | 2007-01-19 | 2008-07-23 | 利高文具制造厂有限公司 | Lever clip mechanism |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102233764B (en) | 2016-01-20 |
| JP2011230361A (en) | 2011-11-17 |
| JP5528895B2 (en) | 2014-06-25 |
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