CN1878680A

CN1878680A - Binder mechanism

Info

Publication number: CN1878680A
Application number: CNA2004800332247A
Authority: CN
Inventors: K·洛伊特; T·施耐德
Original assignee: Esselte Leitz GmbH and Co KG
Current assignee: Lishi Ai Ke brand Group Co., Ltd.
Priority date: 2003-11-13
Filing date: 2004-09-11
Publication date: 2006-12-13
Anticipated expiration: 2024-09-11
Also published as: EP1682357B1; CN100564067C; DE10353179A1; WO2005047015A1; DK1682357T3; JP4576385B2; EP1682357A1; DE502004005528D1; DE10353179B4; NZ546531A; JP2007510559A; AU2004289410B2; ES2295911T3; PL1682357T3; AU2004289410A1; ATE378192T1; HK1087671A1

Abstract

The invention relates to a binder mechanism for record binders. The binder mechanism comprises a base plate having two interspaced aligning pins, a pivotal arched element and an actuating lever, which is pivotally mounted on an end shield of the base plate and which acts upon a spring-supported bend of the arched element. The actuating lever can be locked in a first and a second open position of a respective detent part, which is situated on a hold-down element, under the action of the return spring on the bend of the bearing web. In order to achieve a reliable locking also in the first open position corresponding to a customary actuation, the width of the insertion gap between aligning pins and the arched element is reduced on the pivot path of the actuating lever between both open positions while increasing the pretensioning of the return spring in places under the passage measure for the actuating lever.

Description

Binder mechanism

Technical field

The present invention relates to a kind of binder mechanism that is used for file, comprise a base plate; Two rigidity that are spaced apart from each other are installed in alignment pin on the base plate, that stretch out in parallel to each other (Aufreihstiften) on base plate; One and alignment pin is isolated, by means of the supporting slat on the base plate can limited ground deflection between a closed position and at least one open position the upset cramp frame, it has two upset legs of fixing by the distance ground between spaced apart each alignment pin of supporting slat, and each leg that overturns can be connected in pairs in the closed position with each alignment pin and form a closed loop that seals and have an insertion gap that is used for file at open position; One at alignment pin and upset the supporting shelling plate that on base plate, stretches out of setting in the zone between the cramp frame; And one at the operating lever that can support to limited ground deflection between a closed position and at least one open position around a turning cylinder that extends transverse to the axis of supporting slat on the supporting shelling plate, it utilizes a clamping element to overcome one and uses on the crank throw of supporting slat at the masterpiece of the back-moving spring that clamps between base plate and the crank throw, wherein operating lever passes outwards through the closed loop of a sealing in the one-sided side of closed position with a lever arm, one first open position open one insert the gap first closed loop a side points upwards and pass outwards through open one in one second open position side and insert second closed loop in gap, wherein the width dimensions in the alignment pin of attaching troops to a unit mutually and the insertion gap between the leg of overturning is specified to the lever arm that makes operating lever can freely passes through this gap in rotation process.

Background technology

Binder mechanism is given for file, and it comprises a file ridge and each a hinged protecgulum and bonnet thereon.Binder mechanism is being fixed near the file ridge on the bonnet of file, preferably rivet or insert in the support that for this reason is provided with, make the upset cramp frame can forward to the operation of file ridge direction by lever that at least one open position open alignment pin and the insertion gap between the leg of overturning to.Can insert or take out the file of punching in a side of alignment pin in this case in traditional file, the file layers on will be positioned at earlier where necessary before this is turned to when still closing in mechanism on the upset cramp frame.Binder mechanism passes file with its alignment pin and its upset cramp frame from bonnet and arrives protecgulum under the situation of closing, and is provided with the running through in the opening of latch with what the curved end locking ground of each upset leg embedded protecgulum where necessary.In order also to insert or take out file in a side of upset cramp frame, in the binder mechanism of the described pattern of beginning, set, in opening procedure, not only can rise operating lever, and can be with it to opposite side upset 180 ° (DE-U 203 06 130 and DE-A 19,646 467) altogether.But the shortcoming of the binder mechanism of the known lever with 180 ° of deflections is, does not have tangible first open position there, and described tangible first open position allows the operation of binder mechanism on traditional meaning.It changes a uncertain centre position over to owing to its inertia when decontroling operating lever in opening procedure, and this has hindered shirtsleeve operation.

Summary of the invention

Set out thus, the objective of the invention is to, develop a kind of binder mechanism, it not only allows to have the application of an open position but also allows to have the application of two open positions with the mode of operation of expanding on traditional meaning, and has the possibility of inserting file in upset cramp frame one side.

In order to reach this purpose, the feature combination that suggestion provides in claim 1,3 and 6.Draw favourable form of implementation of the present invention and further constitute by all dependent claims.

The solution of the present invention is mainly based on such conception, acts on latching force on the operating lever or bed knife greater than opening the inertia force that can pass under the effect at back-moving spring on the route on the operating lever from the opening procedure of closed position at first open position.In order to reach this point, advise according to the present invention, each one of operating lever utilization may be locked in its primary importance and second open position under the effect of back-moving spring to the crank throw of supporting slat in the lock part that is provided with on its clamping element, and being reduced to be lower than on the part route under the situation that the bias voltage of back-moving spring improves at the width that inserts the gap on the path circumscribed between two open positions and being given for the size that operating lever passes through at operating lever.Utilize this measure to reach, even operating lever also stops at first open position, promptly is familiar with in traditional binder mechanism in the quick and automatic opening procedure that the effect owing to back-moving spring realizes open position, and owing to resistance to be overcome on the path circumscribed between two open positions, thereby operating lever need be operated consciously to being rotated further of its 180 ° of positions of opening.This clamping element that is provided with on operating lever is made important contribution, and it guarantees, back-moving spring causes an appreciable resistance during at lever reducing at the same time on the path circumscribed between two open positions to insert under the width in gap.

Of the present invention one preferred or selectable form of implementation is set, and operating lever embeds in the insertion gap of first closed loop with its lever arm at first open position.Utilize this measure can make operating lever stop at first open position, and the width that inserts the gap can reduce until being rotated further on the route of second open position on a part of circuit, and can not cause an operating lever and a upset leg to collide.Importantly, when arriving the second upset leg, insert the gap and reopen, pass through for lever arm.

Of the present invention one preferred form of implementation is set, and clamping element has a cam curve, and it comprises that at least three masterpieces that overcome back-moving spring use cam on the crank throw and at least three and pass through cam at least in the lock part of one-sided qualification.The closed position and first and second open positions are determined in three lock parts, and three cams determine that operating lever is in the path circumscribed in the opening procedure of first closed loop, by the rotation process of second closed loop with determine an end stop of operating lever at last.

According to another favourable form of implementation of the present invention, crank throw has a upwards directed top cover shape, the rising gradient of each cam that is configured for cam curve at its each top cover edge (Auflaufschr  gen).Cam curve has the draw-in groove that at least one constitutes the top cover shape that is complementary to crank throw of a lock part on the other hand.Advantageously, the draw-in groove that works at first open position is limited by a stationary cam that radially protrudes, and it is reducing to insert when opening direction and be rotated further at operating lever under the situation of gap width runs into crank throw.In addition, the draw-in groove that works at second open position is limited by a backstop cam opening direction.This guarantees that lever is not run into base plate or each file lid in its position of opening of 180 °, but is stopped and can be held its handle section from below by binder mechanism itself.Of the present invention one favourable form of implementation is set, and constitutes a middle draw-in groove between first and second open position.Operating lever meets with its lever arm in the zone of middle draw-in groove in the insertion gap of expansion that the destination embeds second closed loop.

According to the form of implementation of the present invention's one favorable structure, cam curve (Nockenkurve) is formed on the slide block that plastics make, and in order to strengthen, plastic slide block is sleeved on the operating lever of being made by metallic plate.Wherein operating lever can constitute the stamping parts of being made by metallic plate, fixes the slide block that (aufrasten) constitutes clamping element at an end of its support side.For the rotational motion of stable operation lever, slide block can have a flange in its side towards supporting shelling plate, and its guide type is embedded in the crank throw and the gap between the supporting shelling plate of supporting slat.What have advantage in addition is that slide block has the metal rib that a plate bending of for example passing through operating lever constitutes in the zone of its cam curve.

The invention still further relates to a kind of file with binder mechanism of above-mentioned pattern.

Description of drawings

Below illustrate in greater detail the present invention by an embodiment who schematically illustrates in the accompanying drawings.Wherein:

Side view, end view and the vertical view of Fig. 1 a to 1c one binder mechanism under in off position, lever is 5 ° with respect to the angle of the locating surface that descends cam curve in off position;

Fig. 2 a to 2c has the file machine mechanism of 64 ° lever location, and wherein three-view diagram is corresponding to Fig. 1 a to 1c;

Fig. 3 a to 3c has the binder mechanism of the lever arm of approximate vertical location when 99 ° of corners in the three-view diagram of Fig. 1 a to 1c;

Fig. 4 a to 4c has the binder mechanism of the lever arm in the centre position that is positioned at 135 ° in the three-view diagram of Fig. 1 a to 1c;

Fig. 5 a to 5c has the binder mechanism of the operating lever that is positioned at 180 ° of positions in the three-view diagram of Fig. 1 a to 1c;

Fig. 6 graph of a relation between the position, angle of the orientation angle of the relative base plate normal of cramp frame and operating lever that overturns.

The specific embodiment

Binder mechanism shown in the accompanying drawing consists essentially of a base plate 10 of being made by metallic plate; The alignment pin 12 that two are spaced apart from each other stretches out on base plate 10 ', 12 "; One can be around a upset cramp frame 18 that is fixed on the turning cylinder limited ground deflection between a closed position (Fig. 1 a to 1c) and a plurality of open position on the base plate by means of a supporting slat 14 on the bearing plate 16 of base plate 10; One clamp on the base plate, bearing the back-moving spring 24 on a crank throw 26 that affacts supporting slat 14 under the situation of the bias voltage of open position direction; And a operating lever 22 on crank throw 26 rotatably support on the supporting shelling plate 20 that is fixed on the base plate, affact upset cramp frame 18 from above with a clamping element 28.Upset cramp frame 18 have two by crooked supporting slat 14 spaced apart each alignment pin 12 ', 12 " between the upset leg 18 fixed of distance ground ', 18 ", and the leg 18 that overturns ', 18 " with alignment pin 12 ', 12 " can be connected in pairs in the closed position and form the closed loop 19 of respectively sealing ', 19 ".The upset cramp frame of turn-off is opened a more or less wide insertion gap 68 that is used for file on open position.

But operating lever constitutes stamping parts by the steel plate of a deep-draw.Operating lever have one be arranged essentially parallel to the supporting shelling plate plane positioning, carry out the transition to a side 32 and an athwartship plane 36 of being close to the sliding bearing surface 30 of supporting shelling plate at an end of its support side, athwartship plane 36 at it back to the top edge of base plate 10 chamfered edge and cross side 32 at its end along the longitudinal extension of operating lever 22 and carry out the transition to a handle section of widening 34 substantially perpendicularly away from supporting.Handle section 34 is 22 crooked over there and have there from top recessed handle pressing part 74 to its free end along its longitudinal extension in contrast to operating lever.

Turning cylinder vertically stretches out the tubular rivet 42 that is stuck on the supporting shelling plate 20 behind edge support holes sliding bearing surface 30, that pass supporting shelling plate 20 and by a crimping by one and constitutes.

At the fixing plastic slide block 44 that constitutes clamping element 28 of the end of the support side of operating lever, it is strengthened by the metallic plate machinery of operating lever 22 in inside.Slide block 44 comprises that one affacts the cam curve 46 on the crank throw 26 from above.Slide block 44 on its cam curve that is leading on crank throw 46 by one on the supporting shelling plate side back car coat turn 26 flange 48 and limit, it guarantees the directed parallel of lever in rotation process.

Crank throw 26 has a upwards directed top cover shape, and its top cover edge constitutes the cam 58 to 64 that rising gradient 27 is used for cam curve 46.

One of the present invention is characterised in that, operating lever can deflect into one first open position (Fig. 2 a to 2c) and one second open position (Fig. 5 a to 5c) by the closed position.In order to realize this point, cam curve 46 has one first lock part 50 and is used for closed condition, in order to hold second lock part 52, the 3rd lock part 56 by second open mode of Fig. 5 a to 5c of being used for by the mid portion 54 of Fig. 4 a to 4c and a flute profile by first open mode of Fig. 2 a to 2c of being used for that constitutes draw-in groove of top cover shape crank throw.The cam 58 that between first lock part 50 and second lock part 52, has an obvious cusped edge, and the cam 60 that between second lock part 52 and mid portion 54, has a slight cusped edge.In abutting connection with a cam 62, it decides the 3rd lock part 56 at a lateral confinement, and at an end of cam curve 46 backstop cam 64 is set on mid portion 54.

Draw-in groove 52 be used to make that at the cam 58 of opening obvious cusped edge adjacent on the direction operating lever automatically enters first open mode by Fig. 2 a to 2c, also be like this even operating lever is upspring under the effect of back-moving spring 24.Even this document clamp mechanism also can use reliably on traditional meaning whereby.As can finding out by Fig. 2 a to 2c, lever arm 66 be embedded in this case first closed loop 19 ' the zone in alignment pin 12 ' with adjacent upset cramp frame 18 ' between for passing through in the insertion gap 68 that operating lever 22 enlarges.When operating lever 22 continues upwards to rotate, on the path circumscribed that upset cramp frame 18 is continuing by be pressed to cam 60 on the crank throw 26 dwindle insert gap 68 before, lever arm shifts out from insert gap 68.On the path circumscribed that continues, insert gap 68 then and reopen, thus the operating lever 22 of guaranteeing 135 ° of positions by second closed loop 19 of Fig. 4 a to 4c ' the passing through an of side.On the route that continues, insert gap 68 and keep wide opening, although cam 62 causes narrowing down slightly once more of gap width before the backstop cam 64 of cam curve 46 is run into crank throw 26.

Relation at the corner of the corner of pressing shown in the schematic diagram of Fig. 6 upset cramp frame 18 and operating lever 22.Each figure that illustrates has in the diagram showed the opening procedure in the manner described above on the most important centre position of lever and upset cramp frame position.

Summary gets up to confirm as follows: the present invention relates to a kind of binder mechanism that is used for file.This document clamp mechanism comprise one have the alignment pin 12 that two each intervals are arranged ', 12 " the operating lever 22 of base plate 10, one rotating upset cramp frame 18 and on the crank throw 26 of spring-loaded rotatably support on the supporting shelling plate 20 of base plate 10, that affact upset cramp frame 18.Operating lever 22 utilizes each one

lock part

52,56 in setting on the clamping element 28 to may be locked in one first and one second open position under the effect of the crank throw 26 of 24 pairs of supporting slats 14 of back-moving spring.Even in order also to obtain a locking reliably with corresponding first open position 52 of traditional operation one, operating lever 22 on the path circumscribed between two open positions alignment pin 12 under the situation that the bias voltage of back-moving spring 24 improves ', 12 " on the part route, be reduced to be lower than with the width in the insertion gap 68 between the cramp frame 18 of overturning and be given for the size that operating lever 22 passes through.

Claims

1. the binder mechanism that is used for file comprises a base plate (10); Two be spaced apart from each other rigidity be installed in alignment pin on the base plate, that on base plate, stretch out in parallel to each other (12 ', 12 "); One and alignment pin is isolated, by means of the supporting slat (14) on the base plate (10) can limited ground deflection between a closed position and at least one open position upset cramp frame (18), its have two by spaced apart each alignment pin of supporting slat (14) (12 ', the upset leg fixed of distance ground between 12 ") (18 ', 18 "), each leg that overturns can be connected in pairs in the closed position with each alignment pin and form a closed loop that seals (19 ', 19 ") and be used for the insertion gap (68) of file in open position opening one; One alignment pin (12 ', the supporting shelling plate (20) that on base plate (10), stretches out of setting in the zone between 12 ") and upset cramp frame (18); And one expand plate (20) in supporting go up the operating lever (22) that can support to limited ground deflection around a turning cylinder that extends transverse to the axis of supporting slat (14) between a closed position and at least one open position, it utilizes a clamping element (28) to overcome one and uses on the crank throw (26) of supporting slat (14) at the masterpiece of the back-moving spring (24) that clamps between base plate (10) and the crank throw (26), wherein operating lever (22) passes outwards through the closed loop (19 ') of a sealing in the one-sided side of closed position with a lever arm (66), one first open position open one insert gap (68) first closed loop (19 ') a side points upwards and pass outwards through in one second open position side open one second closed loop that inserts gap (68) (19 "); wherein the alignment pin of attaching troops to a unit mutually (12 '; 12 ") and upset leg (18 ', the width dimensions in the insertion gap (68) 18 ") is specified to the lever arm (66) that makes operating lever (22) can freely pass through this gap in rotation process; it is characterized in that; operating lever (22) utilizes each one lock part (52; 56) that upward is provided with at its clamping element (28) to may be locked in its first open position and second open position under the effect of back-moving spring (24) to the crank throw (26) of supporting slat (14), and is lower than the size of passing through that is used for operating lever (22) being reduced on the part route under the situation of the bias voltage raising of back-moving spring (24) at the width that inserts gap (68) on the path circumscribed between two open positions of operating lever (22).

2. according to the described binder mechanism of claim 1, it is characterized in that, at the latching force of first open position of operating lever (22) or bed knife greater than from the opening procedure of closed position, opening on the route at the inertia force that passes under the effect of back-moving spring (22) on the operating lever (22).

3. the binder mechanism that is used for file comprises a base plate (10); Two be spaced apart from each other rigidity be installed in alignment pin on the base plate, that on base plate, stretch out in parallel to each other (12 ', 12 "); One and alignment pin is isolated, by means of the supporting slat (14) on the base plate (10) can limited ground deflection between a closed position and at least one open position upset cramp frame (18), its have two by spaced apart each alignment pin of supporting slat (14) (12 ', the upset leg fixed of distance ground between 12 ") (18 ', 18 "), each leg that overturns can be connected in pairs in the closed position with each alignment pin and form a closed loop that seals (19 ', 19 ") and be used for the insertion gap (68) of file in open position opening one; One alignment pin (12 ', the supporting shelling plate (20) that on base plate (10), stretches out of setting in the zone between 12 ") and upset cramp frame (18); And one go up the operating lever (22) that can support to limited ground deflection around a turning cylinder that extends transverse to the axis of supporting slat (14) at supporting shelling plate (20) between a closed position and at least one open position, it utilizes a clamping element (28) to overcome one and uses on the crank throw (26) of supporting slat (14) at the masterpiece of the back-moving spring (24) that clamps between base plate (10) and the crank throw (26), wherein operating lever (22) passes outwards through the closed loop (19 ') of a sealing in the one-sided side of closed position with a lever arm (66), one first open position open one insert gap (68) first closed loop (19 ') a side points upwards and pass outwards through in one second open position side open one second closed loop that inserts gap (68) (19 "); wherein the alignment pin of attaching troops to a unit mutually (12 '; 12 ") and upset leg (18 ', the width dimensions in the insertion gap (68) 18 ") is specified to the lever arm (66) that makes operating lever (22) can freely pass through this gap in rotation process; it is characterized in that, at the latching force of first open position of operating lever or bed knife greater than from the opening procedure of closed position, opening the inertia force that passes under the effect at back-moving spring on the route on the operating lever.

4. according to one of claim 2 or 3 described binder mechanism, it is characterized in that, at the latching force of first open position or bed knife than at least 1.5 times greatly of described inertia force.

5. according to one of claim 1 to 4 described binder mechanism, it is characterized in that operating lever (22) embeds in the insertion gap (68) of first closed loop (19 ') with its lever arm (66) at first open position.

6 are used for the binder mechanism of file, comprise a base plate (10); Two be spaced apart from each other rigidity be installed in alignment pin on the base plate, that on base plate, stretch out in parallel to each other (12 ', 12 "); One and alignment pin is isolated, by means of the supporting slat (14) on the base plate (10) can limited ground deflection between a closed position and at least one open position upset cramp frame (18), its have two by spaced apart each alignment pin of supporting slat (14) (12 ', the upset leg fixed of distance ground between 12 ") (18 ', 18 "), each leg that overturns can be connected in pairs in the closed position with each alignment pin and form a closed loop that seals (19 ', 19 ") and be used for the insertion gap (68) of file in open position opening one; One alignment pin (12 ', the supporting shelling plate (20) that on base plate (10), stretches out of setting in the zone between 12 ") and upset cramp frame (18); And one go up the operating lever (22) that can support to limited ground deflection around a turning cylinder that extends transverse to the axis of supporting slat (14) at supporting shelling plate (20) between a closed position and at least one open position, it utilizes a clamping element (28) to overcome one and uses on the crank throw (26) of supporting slat (14) at the masterpiece of the back-moving spring (24) that clamps between base plate (10) and the crank throw (26), wherein operating lever (22) passes outwards through the closed loop (19 ') of a sealing in the one-sided side of closed position with a lever arm (66), one first open position open one insert gap (68) first closed loop (19 ') a side points upwards and pass outwards through in one second open position side open one second closed loop that inserts gap (68) (19 "); wherein the alignment pin of attaching troops to a unit mutually (12 '; 12 ") and upset leg (18 ', the width dimensions in the insertion gap (68) 18 ") is specified to the lever arm (66) that makes operating lever (22) can freely pass through this gap in rotation process; it is characterized in that, operating lever (22) embeds in the insertion gap (68) of first closed loop (19 ') with its lever arm (66) at first open position.

7. according to one of claim 1 to 6 described binder mechanism, it is characterized in that, clamping element (28) has a cam curve (46), it comprise at least three masterpieces that overcome back-moving spring (24) use cam (58 to 64) on the crank throw (26) and at least three by cam at least in the lock part (50 to 56) of one-sided qualification.

8. according to one of claim 1 to 7 described binder mechanism, it is characterized in that crank throw (26) has the top cover shape of a points upwards, its each top cover edge is configured for the rising gradient (27) of each cam (58 to 64) of cam curve (46).

9. according to the described binder mechanism of claim 8, it is characterized in that cam curve (46) has at least one draw-in groove that constitutes the top cover shape that partly is complementary to crank throw (26) of a lock part (52).

10. according to the described binder mechanism of claim 9, it is characterized in that, the draw-in groove (52) that works at first open position is limited by a stationary cam (58) that radially protrudes, and it runs into crank throw (26) at operating lever (22) under the situation that the insertion gap width reduces when opening direction and be rotated further.

11., it is characterized in that the draw-in groove (56) that works at second open position is limited by a backstop cam (64) at open position according to claim 9 or 10 described binder mechanisms.

12., between first open position and second open position, constitute a middle draw-in groove (54) according to one of claim 9 to 11 described binder mechanism.

13., it is characterized in that operating lever (22) embeds second closed loop (in the insertion gap (68) of the expansion of 19 ") with its lever arm (66) according to the described binder mechanism of claim 12 in middle draw-in groove (54) zone.

14. according to one of claim 1 to 13 described binder mechanism, it is characterized in that cam curve (46) is formed on the plastic slide block (44), it is sleeved on the operating lever (22) of being made by metallic plate.

15., it is characterized in that operating lever (22) constitutes the stamping parts of being made by metallic plate according to the described binder mechanism of claim 14, fix the slide block (44) of a formation clamping element (28) at an end of its support side.

16., it is characterized in that slide block (44) has a flange (48) in its side towards supporting shelling plate (20) according to claim 14 or 15 described binder mechanisms.

17., it is characterized in that slide block (44) has a crooked metal rib that constitutes of plate by operating lever (22) according to one of claim 14 to 16 described binder mechanism in the zone of its cam curve (46).

18. have a file according to one of claim 1 to 17 described binder mechanism.