CN101224685A - Lever clip mechanism - Google Patents
Lever clip mechanism Download PDFInfo
- Publication number
- CN101224685A CN101224685A CNA2007100040155A CN200710004015A CN101224685A CN 101224685 A CN101224685 A CN 101224685A CN A2007100040155 A CNA2007100040155 A CN A2007100040155A CN 200710004015 A CN200710004015 A CN 200710004015A CN 101224685 A CN101224685 A CN 101224685A
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- China
- Prior art keywords
- lever
- clamp mechanism
- ring
- lever clamp
- substrate
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B42—BOOKBINDING; ALBUMS; FILES; SPECIAL PRINTED MATTER
- B42F—SHEETS TEMPORARILY ATTACHED TOGETHER; FILING APPLIANCES; FILE CARDS; INDEXING
- B42F13/00—Filing appliances with means for engaging perforations or slots
- B42F13/16—Filing appliances with means for engaging perforations or slots with claws or rings
- B42F13/20—Filing appliances with means for engaging perforations or slots with claws or rings pivotable about an axis or axes parallel to binding edges
- B42F13/22—Filing appliances with means for engaging perforations or slots with claws or rings pivotable about an axis or axes parallel to binding edges in two sections engaging each other when closed
- B42F13/24—Filing appliances with means for engaging perforations or slots with claws or rings pivotable about an axis or axes parallel to binding edges in two sections engaging each other when closed wherein one section is in the form of fixed rods
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Abstract
A lever clamping mechanism comprises a base plate, two first ring parts which are fixedly arranged on the base plate and are spaced and parallel to each other, a ring piece which is movably arranged on the base plate and comprises two second ring parts which are spaced and parallel to each other; wherein, the two first ring parts are respectively arranged correspondingly to the two second ring parts, which ensures the first ring part and the second ring part which are opposite to each other to form a close ring when the lever clamping mechanism is closed; one end is arranged on the base plate and the other end leans on an elastic piece of the ring part; the invention also comprises a bulging part which is protuberant upwards from the base plate, a lever which is provided with a leaning part and is rotatablely arranged on the bulging part to lead the leaning part to be contacted with the ring part; wherein, the end of the electric piece which leans on the ring part is higher than the lowest part of the ring part. When the lever clamping mechanism of the invention is closed, the electric piece can not be contacted with a piece of wrappage, which ensures the ring part of the lever clamping mechanism to be closed completely without damaging the wrappage.
Description
Technical field
The present invention relates to a kind of lever clamp mechanism.
Background technology
Lever clamp mechanism is a kind of stationery that is widely used for depositing such as pages such as loose leaf papers.The lever clamp mechanism of prior art comprises flat substantially substrate; Be spaced from each other and be fixedly secured to two first ring portions of a vertical sidepiece of substrate at the one end, two first ring portions vertically extend upward substantially from substrate, and slightly crooked to form bend at its other end; Be spaced from each other and be installed to two second ring portions of another vertical sidepiece of substrate at the one end movably, two second ring portions vertically extend upward substantially from substrate, and also form other bend at its other end, so that when lever clamp mechanism is closed, cooperate the formation closed hoop with the bend of two the first ring portion other ends, described two second ring portions interconnect by connecting portion at the end near substrate with being integral, so that described two second ring portions move together, described connecting portion partly forms the bend of U-shaped substantially towards substrate center's bending therebetween; Upwards bend at upright substantially lug boss of portion of substrate center formation by cutting substrate and with cutting part; The one side is installed in the cutting groove that described another the vertical sidepiece of adjacent substrates forms, opposite side is flexibly against the spring leaf of the bend of the U-shaped substantially downside of described connecting portion, described spring leaf is used for described connecting portion is pushed away described base plan, thereby cause described two second ring portions to move together and leave hard-wired two first ring portions, to open lever clamp mechanism; And being pivotally mounted to lever on the described lug boss, described lever has roller in the end that it is installed on the described lug boss.Rotate described lever by pushing downwards, can make roller overcome the upwards thrust of described spring leaf and move to along direction described connecting portion is pressed against position on the substrate away from lever handle portion, move to together and hard-wired two the first contacted positions of ring portion thereby drive described two second ring portions, form closed hoop; By making progress away from the described lever of substrate rotating, can make roller move to the position that releasing is pressed described connecting portion along direction towards lever handle portion, thereby make described connecting portion under the thrust that makes progress of described spring leaf, move apart substrate, cause described two second ring portions to move and leave hard-wired two first ring portions together, ring is opened in formation, to open lever clamp mechanism.
Lever clamp mechanism is installed on the sheet articles such as strip of paper used for sealing such as file usually, to preserve file or page.In the lever clamp mechanism of this prior art, spring leaf is usually against the extreme lower position of ring component downside.When roller presses ring component and during closed lever clamp mechanism, the spring leaf that is in ring component downside extreme lower position may contact with strip of paper used for sealing, hinder on the one hand pressing down of ring component made that the ring portion of lever clamp mechanism can not be closed fully, on the other hand, the spring leaf that contacts with strip of paper used for sealing may cause the strip of paper used for sealing breakage.
Thereby, be necessary the lever clamp mechanism of prior art is improved.
Summary of the invention
The problem that the present invention exists at the lever clamp mechanism of above-mentioned prior art and proposing.
Therefore, an object of the present invention is to provide a kind of lever clamp mechanism, it can make the ring portion of lever clamp mechanism closed enough fully.
Another object of the present invention provides a kind of lever clamp mechanism, and it can avoid causing the strip of paper used for sealing breakage.
According to the present invention, a kind of lever clamp mechanism is provided, described lever clamp mechanism comprises:
Flat substrate;
Be fixedly mounted in that on the described substrate two are spaced from each other and parallel first ring portion and movably be installed in ring component on the described substrate, described ring component comprises also two the second parallel ring portions that are spaced from each other, described two first ring portions and described two second ring portions relatively are provided with respectively mutually, make that mutual respectively relative first ring portion and second ring portion can form closed hoop when described lever clamp mechanism was closed;
One end is installed on the described substrate, its other end is against the elastic component of described ring component, is used for by elastic force described ring component being pushed away described substrate;
From the lug boss of described substrate to upper process; And
The lever of butting section is housed, and described lever is pivotally mounted on the described lug boss, makes described butting section contact with described ring component;
Wherein, with ring component against elastic component partly be higher than the lowermost portion of ring component.
In lever clamp mechanism according to the present invention, since with ring component against elastic component partly be higher than the lowermost portion of ring component, when lever clamp mechanism was closed, elastic component can not contact with strip of paper used for sealing, make that the ring portion of lever clamp mechanism is closed fully, also can not cause the strip of paper used for sealing breakage.
Description of drawings
Fig. 1 is the stereogram that is in closure state according to the lever clamp mechanism of first embodiment of the invention;
Fig. 2 is the stereogram that is in open mode according to the lever clamp mechanism of first embodiment of the invention;
Fig. 3 is the bottom side perspective view of the lever clamp mechanism of Fig. 2;
Fig. 4 is the cross-sectional view along the longitudinal axis of the lever clamp mechanism of Fig. 1;
Fig. 5 is the stereogram that is in closure state according to the lever clamp mechanism of second embodiment of the invention;
Fig. 6 is the bottom side perspective view that is in open mode according to the lever clamp mechanism of second embodiment of the invention;
Fig. 7 is the cross-sectional view along the longitudinal axis of the lever clamp mechanism of Fig. 5;
Fig. 8 is the bottom side perspective view that cuts out a part of lever clamp mechanism corresponding with Fig. 7;
Fig. 9 is the stereogram that is in closure state according to the lever clamp mechanism of third embodiment of the invention;
Figure 10 is the stereogram that is in open mode according to the lever clamp mechanism of third embodiment of the invention;
Figure 11 is the stereogram that is in closure state according to the lever clamp mechanism of fourth embodiment of the invention;
Figure 12 is the stereogram that is in open mode according to the lever clamp mechanism of fourth embodiment of the invention;
Figure 13 is the stereogram that is in closure state according to the lever clamp mechanism of fifth embodiment of the invention; And
Figure 14 is the stereogram that is in open mode according to the lever clamp mechanism of fifth embodiment of the invention.
The specific embodiment
Fig. 1-4 has shown the lever clamp mechanism 100 according to first embodiment of the invention.Lever clamp mechanism 100 according to first embodiment of the invention comprises flat substantially substrate 101.Install two regularly at a vertical sidepiece of substrate 101 and be spaced from each other and parallel 103, two first ring portions 103 of first ring portion vertically extend upward substantially from substrate 101, and slightly crooked at its free end to form bend.Another vertical sidepiece at substrate 101 movably is equipped with ring component 105.Ring component 105 comprises that two are spaced from each other and second parallel ring portion 105a and the connecting portion 105b that two second ring portion 105a are linked into an integrated entity.Each second ring portion 105a is formed with bend at its free end respectively, so that two second ring portion 105a of ring component 105 can complement each other to form closed hoop with corresponding relative first ring portion 103 on being fixedly secured to substrate 101.Two second ring portion 105a of ring component 105 interconnect by connecting portion 105b integratedly at its other end near substrate.Connecting portion 105b flatly is bent to form U-shaped bend 105c substantially towards substrate center in the middle substantially, and bend 105c mid portion slightly upwards projection forms jut 105d.First ring portion 103 and ring component 105 have circle or oval cross section substantially respectively, and are made by the suitable material such as steel.By in the 105 1 side two ends cuttings of substrate mounting ring segments or punching press, and will be cut or upwards and outside two the turnup portions 107 forming of turnup of the substrate portion of punching press, ring component 105 movably is installed on the substrate 101.
Near vertical sidepiece of substrate mounting ring segments 105 by cutting or punching press and will be cut or the substrate portion of punching press substantially erectly from upwards bending of substrate, thereby form upright substantially lug boss 109 at substrate 101 central parts.On substrate 101, form otch 111 owing to upwards bend lug boss 109.Near vertical side margins of substrate mounting ring segments 105, also be formed with elongated slot 113, will describe below the effect of elongated slot 113.Can also on substrate, form one or more hole 115, be used for lever clamp mechanism is fixed to the strip of paper used for sealing of file or notebook etc.
In the lever clamp mechanism 100 of assembling, two first ring portions 103 are by being fixedly mounted in 101 1 vertical sidepieces of substrate such as riveted joint, welding or other known connected mode.Ring component 105 passes through two turnup portions 107 two ends of the connecting portion 105b of retainer ring parts 105 movably, and the mid portion of the U-shaped bend 105c of each connecting portion 105b is positioned near the lug boss 109 substantially, thereby ring component 105 movably is installed on substrate 101 another vertical sidepieces, makes two second ring portion 105a of ring component 105 align mutually with two first ring portions 103 of installing regularly respectively.The lever 117 that roller 119 is housed is pivotally mounted on the lug boss 109 by the fixture 123 such as rivet, makes that roller 119 can move on the bend 105c at ring component 105 substantially when lever 117 rotates.Spring leaf 125 1 ends of arcs are inserted in the elongated slot 113 on the substrate 101 and remain on the substrate 101 slightly substantially, its other end is placed in the bend 105c below of ring component 105 and flexibly against the bend 105c of ring component 105, is used for upwards promoting by elastic force the bend 105c of ring component 105.Certainly, position shown in the installation site of spring leaf 125 also is not limited to is as long as spring leaf 125 can be against bend 105c downside.In addition, shape shown in the shape of spring leaf 125 also is not limited to is as long as spring leaf 125 can produce upwards thrust against bend 105c downside.Also can adopt spring wire to replace spring leaf.
Be formed with at least one on the lever 117 according to the lever clamp mechanism 100 of first embodiment of the invention towards the side-prominent stop part 117c of lug boss 109 1, the position of stop part 117c and be sized to be used to limit and open or the scope of lever end 117a rotation during closed lever clamp mechanism.Preferably, shown in Fig. 1-4, on lever 117, be formed with two outstanding stop part 117c, the scope that the operating side 117a of lever can rotate when the position of two stop part 117c and being sized to was respectively applied for restriction open and close lever clamp mechanism.Preferably, stop part 117c is formed on the lever 117.
According to the present invention, when lever clamp mechanism was mobile between open mode and closure state, the angular range of lever end 117a rotation was less than or equal to 45 °.In addition, when lever clamp mechanism was mobile between open mode and closure state, the horizontal range that rod 119 moves on ring component 105 was not more than 8.5mm.
Under the lever clamp mechanism open mode shown in Fig. 2 and 3, operating side 117a by grasping lever 117 makes progress away from substrate rotating lever 117, lever is rotated counterclockwise from state shown in Figure 2 around fixture 123, the roller 119 that causes being installed on the lever moves to jut 105d along the direction towards lever end 117a on the bend 105c of ring component 105, overcome the upwards thrust of spring leaf 125 and connecting portion 105b is pressed against on the substrate 101, thereby two ring portion 105a that drive ring component 105 move to the 103 contacted positions of relative ring portion with two together, as shown in Figure 1, form closed hoop to keep loose leaf paper.In the process that makes progress away from substrate rotating lever 117, stop part 117c away from lever end 117a contacts with lug boss 109, limited lever end 117a upwards further to rotate and near ring portion 105a and ring portion 103, thereby avoided lever end 117a to hinder the user along the ring portion page that overturns.When the lever folder was in closure state, the spacing distance of in the vertical direction was at least 8mm between lever end 117a and the ring portion.In contrast, under lever clamp mechanism closure state shown in Figure 1, by grasping lever end 117a downwards towards substrate rotating lever 117, lever is clockwise rotated from state shown in Figure 1 around fixture 123, the roller 119 that causes being installed on the lever moves to recess 105e along the direction away from lever end 117a from jut 105d, and unclamp pressing to connecting portion 105b, thereby make connecting portion 105b under the thrust that makes progress of spring leaf 125, move apart substrate 101, two ring portion 105a that drive ring component 105 move apart two relative ring portions 103 of installing regularly, formation is opened ring to open lever clamp mechanism, so that the access loose leaf paper.Downwards in the process of substrate rotating lever 117, stop part 117c near lever end 117a contacts with lug boss 109, having limited lever end 117a further rotates downwards, thereby avoided lever end 117a to contact with substrate 101, leaving space between lever end 117a and substrate 101 is so that grasping lever end 117a.When the lever folder was in open mode, the spacing distance of in the vertical direction was at least 6mm between lever end 117a and the substrate 101, so that user's finger grip lever end.Should be understood that stop part is formed on the lug boss highlightedly towards lever, also can obtain effect same.
According to the present invention, spring leaf 125 is higher than the lowermost portion of ring component against the position of the bend 105c of ring component 105.This can make the notch width size that forms less than ring component 105 105d of upper process portion below by the spring leaf width dimensions partly that will contact with the bend 105c of ring component 105, thereby makes spring leaf 125 parts that are contained in the recess of jut 105d below be higher than the ring component lowermost portion in vertical direction.Preferably, spring leaf 125 is no more than the ring component longitudinal vertical plane through spring leaf and ring component contact point.
In order to make the gap between the relative ring portion of the lever clamp mechanism open big as much as possible so that the access loose leaf paper, jut 105d one side that roller 119 is about to shift to when preferably opening lever clamp mechanism on the bend 105c of ring component 105 is formed with recess 105e, is used for holding when opening lever clamp mechanism roller 119.In this case, spring leaf 125 is provided with respect to the center of ring component 105 asymmetricly.Herein, asymmetric one side is meant that the shape of spring leaf 125 is asymmetric with respect to the center of ring component 105, is meant the off-centring of spring leaf 125 with respect to ring component 105 on the other hand.Preferably, spring leaf 125 is arranged on recess near jut 105d one side.More preferably be that spring leaf 125 is higher than the ring component lowermost portion of formation recess 105e in close jut 105d one side of recess.Among the embodiment shown in the figure, because the pivot center (fixture 123) of the center of ring component 105 and lever 127 is substantially on same vertical line, spring leaf 125 in fact also is that the pivot center with respect to lever 127 is provided with asymmetricly.But, conceivablely be, the pivot center of the center of ring component 105 and lever 127 (fixture 123) can be on same vertical line, even for example lug boss 109 is not medially to be formed on the substrate 101 or lug boss 109 medially is formed on the substrate 101 but fixture 123 is not to be centrally located on the lug boss 109, spring leaf can be provided with symmetrically with respect to the center of ring component 105, and is provided with respect to the pivot center of lever 127 asymmetricly.In addition, jut 105d can medially not be formed on the ring component 105 yet.For the ease of processing, also can be formed with recess 105e on jut 105d bilateral symmetry ground.Preferably, make the vertical range between the peak of convex surface of the minimum point of concave surface of recess 105e and jut 105d be equal to, or greater than the diameter of ring component 105.Preferably, the horizontal range between the center of the center of ring component 105 105d of upper process portion and recess 105e is not more than 8.5mm.
For the ease of user's grasping and improve the comfort of operation, operating side 117a that can lever is provided with the sheath 117d that rubber, plastics or other flexible material are made.Can adopt the colored sheath of different colours as required, so that identification.
When making lever clamp mechanism closed when operating lever 117, roller 119 presses against ring component 105 on the substrate 101, because the contact position of the end of spring leaf and the bend of ring component is higher than the lowermost portion of ring component, the end of spring leaf is higher than the substrate base surface, as shown in Figure 4, thereby can not contact with the strip of paper used for sealing on will being installed to the lever folder, avoided influencing the closed and damage strip of paper used for sealing of ring portion.
Fig. 5-8 has shown the lever clamp mechanism 200 according to second embodiment of the invention.According to the structure of the lever clamp mechanism 200 of second embodiment of the invention with similar substantially, except lever shape difference according to the lever clamp mechanism 100 of first embodiment of the invention.Lever clamp mechanism 200 according to second embodiment of the invention adds that with identical label 100 represent with the lever clamp mechanism 100 identical or similar parts of first embodiment of the invention, and omits the description to same parts.
Fig. 9-10 has shown the lever clamp mechanism 300 according to third embodiment of the invention.According to the structure of the lever clamp mechanism 300 of third embodiment of the invention with similar substantially, except the stop part difference according to the lever clamp mechanism 200 of second embodiment of the invention.Lever clamp mechanism 300 according to third embodiment of the invention adds that with identical label 100 represent with the lever clamp mechanism 200 identical or similar parts of second embodiment of the invention, and omits the description to same parts.
In the lever clamp mechanism 300 according to third embodiment of the invention, stop part 317c is arranged on the lug boss 309 highlightedly, is formed with opening 317e on lever 317.During assembling lever clamp mechanism 300, stop part 317c passes the opening 317e on the lever 317, and the size of opening 317e makes stop part 317c can allow lever 317 to rotate within the specific limits around fixture 323, promptly when the end in contact of stop part 317c and opening 317e, limited the scope (as shown in Figure 9) that lever 317 rotated when lever clamp mechanism was closed, and when stop part 317c contacts with the other end of opening 317e, limited the scope (as shown in figure 10) that lever 317 rotated when lever clamp mechanism was opened.As shown in Figures 9 and 10, the opening 317e that forms on the lever 317 is preferably arcuate slot.
Should be understood that stop part forms on the lever, and opening to be formed on also be feasible on the lug boss.In addition, to have only an operating side also be feasible to lever 317 in this embodiment.
Figure 11-12 has shown the lever clamp mechanism 400 according to fourth embodiment of the invention.According to the structure of the lever clamp mechanism 400 of fourth embodiment of the invention with similar substantially, except being provided with of lever shape and stop part is different according to the lever clamp mechanism 100 of first embodiment of the invention.Lever clamp mechanism 400 according to fourth embodiment of the invention adds that with identical label 300 represent with the lever clamp mechanism 100 identical or similar parts of first embodiment of the invention, and omits the description to same parts.
Replace the sheet lever among first embodiment, the lever 417 of the lever clamp mechanism 400 of the 4th embodiment is substantially elongated rod-shaped.Lever 417 comprises the lever body, is bent downwardly the lever head of extension and at the operating side 417a of the lever body other end from lever body one end.Operating side 417a also can tilt to be bent upwards extension from the lever body other end.Roller 419 is installed to the free end of lever head by bearing pin 421.The lever 417 that roller 419 is housed is pivotally mounted on the lug boss 409 by fixture 423 at the junction surface of lever body and lever head, makes roller 419 can move on the bend 405c of ring component 405 substantially.The part of rotating process at lug boss 409 upper levers 417 is provided with outstanding stop part 417c.
When roller 419 moves with closed lever folder from recess 405e towards protuberance 405d, lever head contacts with stop part 417c, limited lever end 417a upwards further to rotate and near ring portion 405a and ring portion 403, thereby avoided lever end 417a to hinder the user along the ring portion page that overturns.Move from protuberance 405d towards recess 405e to open lever when folder at roller 419, the lever body contacts with stop part 417c, having limited lever end 417a further rotates downwards, thereby avoided lever end 417a to contact with substrate 401, leaving space between lever end 417a and substrate 401 is so that grasping lever end.By making operating side 417a tilt to be bent upwards extension, can further increase the space so that grasping lever end from the lever body other end.
Figure 13-14 has shown the lever clamp mechanism 500 according to fifth embodiment of the invention.According to the structure of the lever clamp mechanism 500 of fifth embodiment of the invention with similar substantially, except lever shape and mode of operation difference according to the lever clamp mechanism 400 of fourth embodiment of the invention.Lever clamp mechanism 500 according to fifth embodiment of the invention adds that with identical label 100 represent with the lever clamp mechanism 400 identical or similar parts of fourth embodiment of the invention, and omits the description to same parts.
The lever 517 of the lever clamp mechanism 500 of the 5th embodiment is substantially elongated rod-shaped.Lever 517 comprises the lever body, is bent upwards the lever head of extension and at the operating side 517a of the lever body other end from lever body one end.Operating side 517a also can tilt to be bent upwards extension from the lever body other end.Roller 519 is installed to the junction surface of lever body and lever head by bearing pin 521.The lever 517 that roller 519 is housed is pivotally mounted on the lug boss 509 by fixture 523 at the free end of lever head, makes roller 519 can move on the bend 505c of ring component 505 substantially.The part of rotating process at lug boss 509 upper levers 517 is provided with outstanding stop part 517c.
Different with the 4th embodiment, under lever clamp mechanism open mode shown in Figure 14, operating side 517a by grasping lever 517 is downwards towards substrate rotating lever 517, lever is clockwise rotated from state shown in Figure 180 around fixture 523, the roller 519 that causes being installed on the lever moves to jut 505d along the direction away from lever end 517a on the bend 505c of ring component 505, overcome the upwards thrust of spring leaf 525 and connecting portion 505b is pressed against on the substrate 501, thereby two ring portion 505a that drive ring component 505 move to the 503 contacted positions of relative ring portion with two together, as shown in figure 13, form closed hoop to keep loose leaf paper.In the process of substrate rotating lever 517, the lever body contacts with base portion 501 downward.Because operating side 517a tilts to be bent upwards extension from the lever body other end, thereby still is convenient to user's grasping operating side 517a.If the lever body other end does not tilt to be bent upwards extension, can another stop part (not shown) be set at the lever head opposite side relative with stop part 517c, further rotate by the lever body being contacted with another stop part limit lever end 517a, thereby avoided lever end 517a to contact with substrate 501, leaving space between lever end 517a and substrate 501 is so that grasping lever end 517a.In contrast, under lever clamp mechanism closure state shown in Figure 13, make progress away from substrate rotating lever 517 by grasping lever end 117a, lever is rotated counterclockwise from state shown in Figure 13 around fixture 523, cause being installed to roller 519 on the lever along shifting to recess 505e from jut 505d towards the direction of lever end 517a, and unclamp pressing to connecting portion 505b, thereby make connecting portion 505b under the thrust that makes progress of spring leaf 525, move apart substrate 501, two ring portion 505a that drive ring component 505 move apart two relative ring portions 503 of installing regularly, formation is opened ring to open lever clamp mechanism, so that the access loose leaf paper.In the process that makes progress away from substrate rotating lever 517, the lever body contacts with stop part 517c, limited lever end 117a and upwards further rotated, thereby avoided lever end 517a to enter the gap between first ring portion 503 and the second ring portion 505a and hinder the access page.When the lever folder was in closure state, the spacing distance of in the vertical direction was at least 6mm between lever end 517a and the substrate 501, so that user's finger grip lever end.When the lever folder was in open mode, the spacing distance of in the vertical direction was at least 8mm between lever end 517a and the ring portion.
In addition, no matter lever clamp mechanism has one or two operating sides, and the ultimate range that the operating side extends to outside the corresponding ring portion preferably is not more than 40mm.
Although abovely describe the preferred embodiments of the present invention in conjunction with the accompanying drawings in detail, should be understood that, under the situation that does not break away from claim of the present invention institute restricted portion, can the present invention is carried out various conversion and modification by nonrestrictive mode.For example, cam part can be installed to replace roller in the end of lever.In addition, can also protuberance and recess be set, throw off with the ring portion that prevents to cooperatively interact at relative ring portion free end.These conversion and modification all should fall within the scope of protection of the present invention.
Claims (36)
1. lever clamp mechanism, described lever clamp mechanism comprises:
Flat substrate;
Be fixedly mounted in that on the described substrate two are spaced from each other and parallel first ring portion and movably be installed in ring component on the described substrate, described ring component comprises also two the second parallel ring portions that are spaced from each other, described two first ring portions and described two second ring portions relatively are provided with respectively mutually, make that mutual respectively relative first ring portion and second ring portion can form closed hoop when described lever clamp mechanism was closed;
One end is installed on the described substrate, its other end is against the elastic component of described ring component, is used for by elastic force described ring component being pushed away described substrate;
From the lug boss of described substrate to upper process; And
The lever of butting section is housed, and described lever is pivotally mounted on the described lug boss, makes described butting section contact with described ring component;
Wherein, with ring component against elastic component partly be higher than the lowermost portion of ring component.
2. lever clamp mechanism as claimed in claim 1, it is characterized in that, described two second ring portions link into an integrated entity by connecting portion, described connecting portion comprises towards the bend of described substrate center bending, the mid portion of the described bend projection that makes progress forms jut, closed lever clamp mechanism when described butting section is pressed against on the jut.
3. lever clamp mechanism as claimed in claim 2 is characterized in that, with ring component against the notch width that forms less than described jut below of the width of elastic component part, with ring component against elastic component partly be accommodated in the described recess.
4. lever clamp mechanism as claimed in claim 1 is characterized in that, elastic component is no more than the ring component longitudinal vertical plane through elastic component and ring component contact point.
5. lever clamp mechanism as claimed in claim 2 is characterized in that, forms recess on the bend of jut one side that the butting section is shifted to when opening lever clamp mechanism.
6. lever clamp mechanism as claimed in claim 2 is characterized in that, forms the recess that is positioned on the described bend respectively in described jut both sides.
7. lever clamp mechanism as claimed in claim 5 is characterized in that elastic component is provided with respect to the center of ring component asymmetricly.
8. lever clamp mechanism as claimed in claim 7 is characterized in that, elastic component is arranged on described recess near described jut one side.
9. lever clamp mechanism as claimed in claim 8 is characterized in that, elastic component be higher than the ring component lowermost portion that forms described recess at described recess near described jut one side.
10. lever clamp mechanism as claimed in claim 5 is characterized in that, elastic component is provided with respect to the pivot center of lever asymmetricly.
11., it is characterized in that the vertical range between the peak of the minimum point of the concave surface of described recess and the convex surface of described jut is equal to, or greater than the diameter of described ring component as claim 5 or 6 described lever clamp mechanisms.
12. lever clamp mechanism as claimed in claim 1 is characterized in that, described lever clamp mechanism is provided with the retention device that is used to limit described lever slewing area.
13. lever clamp mechanism as claimed in claim 1 is characterized in that, described lever is a sheet.
14. lever clamp mechanism as claimed in claim 1, it is characterized in that, described retention device is arranged at least one stop part on the described lever, stop part is side-prominent towards lug boss one, its position and be sized to opening or the rotating range of closed lever clamp mechanism time restriction lever end.
15. lever clamp mechanism as claimed in claim 14, it is characterized in that, described retention device is arranged at least one stop part on the described lug boss, stop part is side-prominent towards lever one, its position and be sized to opening or the rotating range of closed lever clamp mechanism time restriction lever end.
16. lever clamp mechanism as claimed in claim 14 is characterized in that, described retention device comprises and is arranged on the stop part on the lug boss highlightedly and is formed on opening on the described lever that described stop part passes described opening.
17. lever clamp mechanism as claimed in claim 14 is characterized in that, described retention device comprises and is arranged on the stop part on the lever highlightedly and is formed on opening on the described lug boss that described stop part passes described opening.
18., it is characterized in that described opening is an arcuate slot as claim 16 or 17 described lever clamp mechanisms.
19. lever clamp mechanism as claimed in claim 1 is characterized in that, described lever is an elongated rod-shaped.
20. lever clamp mechanism as claimed in claim 19 is characterized in that, described retention device is arranged on one or two the outstanding stop part on the described lug boss.
21. lever clamp mechanism as claimed in claim 1 is characterized in that, described lever has an operating side, and the ultimate range that the operating side extends to outside the corresponding ring portion is not more than 40mm.
22. lever clamp mechanism as claimed in claim 21 is characterized in that, described lever be arranged to by towards described substrate rotating opening described lever clamp mechanism, by away from described substrate rotating with the described lever clamp mechanism of closure.
23. lever clamp mechanism as claimed in claim 21 is characterized in that, described lever be arranged to by towards described substrate rotating with the described lever clamp mechanism of closure, by away from described substrate rotating to open described lever clamp mechanism.
24. lever clamp mechanism as claimed in claim 1 is characterized in that, described lever has two operating sides.
25. lever clamp mechanism as claimed in claim 24 is characterized in that, at least one in two operating sides extends to outside the closed hoop of corresponding mutual relative first ring portion and the formation of second ring portion.
26. lever clamp mechanism as claimed in claim 1 is characterized in that, described lever slewing area is equal to or less than 45 °.
27. lever clamp mechanism as claimed in claim 1 is characterized in that, when described lever was in from the immediate position of described substrate, the spacing distance of the described substrate in the vertical direction of the operating side of described lever distance was at least 6mm.
28. lever clamp mechanism as claimed in claim 1 is characterized in that, when described lever was in from the immediate position of described ring portion, the spacing distance of the described ring portion in the vertical direction of the operating side of described lever distance was at least 8mm.
29. lever clamp mechanism as claimed in claim 1 is characterized in that, when lever clamp mechanism was mobile between open mode and closure state, the horizontal range that move on described ring component described butting section was not more than 8.5mm.
30., it is characterized in that the horizontal range between the center of described jut and the center of described recess is not more than 8.5mm as claim 5 or 6 described lever clamp mechanisms.
31. lever clamp mechanism as claimed in claim 1 is characterized in that, the operating side of lever is provided with the flexible material sheath.
32. lever clamp mechanism as claimed in claim 31 is characterized in that, described sheath is colored sheath.
33. lever clamp mechanism as claimed in claim 1 is characterized in that, described elastic component is a spring leaf.
34. lever clamp mechanism as claimed in claim 1 is characterized in that, described elastic component is a spring wire.
35. a lever clamp mechanism, described lever clamp mechanism comprises:
Flat substrate;
Be fixedly mounted in that on the described substrate two are spaced from each other and parallel first ring portion and movably be installed in ring component on the described substrate, described ring component comprises also two the second parallel ring portions that are spaced from each other, described two first ring portions and described two second ring portions relatively are provided with respectively mutually, make that mutual respectively relative first ring portion and second ring portion can form closed hoop when described lever clamp mechanism was closed;
One end is installed on the described substrate, its other end is against the elastic component of described ring component, is used for by elastic force described ring component being pushed away described substrate;
From the lug boss of described substrate to upper process; And
The lever of butting section is housed, and described lever is pivotally mounted on the described lug boss, makes described butting section contact with described ring component;
Wherein, elastic component is provided with respect to the center of ring component asymmetricly.
36. a lever clamp mechanism, described lever clamp mechanism comprises:
Flat substrate;
Be fixedly mounted in that on the described substrate two are spaced from each other and parallel first ring portion and movably be installed in ring component on the described substrate, described ring component comprises also two the second parallel ring portions that are spaced from each other, described two first ring portions and described two second ring portions relatively are provided with respectively mutually, make that mutual respectively relative first ring portion and second ring portion can form closed hoop when described lever clamp mechanism was closed;
One end is installed on the described substrate, its other end is against the elastic component of described ring component, is used for by elastic force described ring component being pushed away described substrate;
From the lug boss of described substrate to upper process; And
The lever of butting section is housed, and described lever is pivotally mounted on the described lug boss, makes described butting section contact with described ring component;
Wherein, elastic component is provided with respect to the pivot center of lever asymmetricly.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2007100040155A CN101224685A (en) | 2007-01-19 | 2007-01-19 | Lever clip mechanism |
| PCT/CN2007/001102 WO2008089606A1 (en) | 2007-01-19 | 2007-04-04 | A lever clip mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2007100040155A CN101224685A (en) | 2007-01-19 | 2007-01-19 | Lever clip mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101224685A true CN101224685A (en) | 2008-07-23 |
Family
ID=39644088
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA2007100040155A Pending CN101224685A (en) | 2007-01-19 | 2007-01-19 | Lever clip mechanism |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN101224685A (en) |
| WO (1) | WO2008089606A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102233764A (en) * | 2010-04-27 | 2011-11-09 | 株式会社锦宫事务 | Loose-leaf binder |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2359784A (en) * | 2000-03-01 | 2001-09-05 | Leco Stationery Mfg | Ring binder mechanism held shut by inter-engaging teeth |
| GB0018986D0 (en) * | 2000-08-02 | 2000-09-20 | Leco Stationery Mfg | Device for retaining a stack of papers in a file |
| CN2685083Y (en) * | 2004-02-05 | 2005-03-16 | 美国沃士活页夹公司 | Small back plate attachment apparatus |
| CN100410085C (en) * | 2004-07-29 | 2008-08-13 | 香港文具制造厂有限公司 | Lever arch binder mechanism with complementary ring tips |
-
2007
- 2007-01-19 CN CNA2007100040155A patent/CN101224685A/en active Pending
- 2007-04-04 WO PCT/CN2007/001102 patent/WO2008089606A1/en active Application Filing
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102233764A (en) * | 2010-04-27 | 2011-11-09 | 株式会社锦宫事务 | Loose-leaf binder |
| CN102233764B (en) * | 2010-04-27 | 2016-01-20 | 株式会社锦宫事务 | Loose-leaf binder |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2008089606A1 (en) | 2008-07-31 |
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Open date: 20080723 |