CN200995530Y

CN200995530Y - Lever clamping mechanism

Info

Publication number: CN200995530Y
Application number: CN 200720001851
Authority: CN
Inventors: 李善军; 杜振源
Original assignee: World Wide Stationery Manufacturing Co Ltd
Current assignee: World Wide Stationery Manufacturing Co Ltd
Priority date: 2007-01-16
Filing date: 2007-01-16
Publication date: 2007-12-26
Anticipated expiration: 2017-01-16

Abstract

A lever folder mechanism is introduced. The lever folder includes a flat substrate; two mutual spaced and parallel first ring departments fixedly arranged on the substrate and a ring component movably arranged on the substrate; a flexible component used to push the ring component out of the substrate through flexibility, one terminal of which is arranged on the substrate, the other terminal of which is against the ring component; a convex department protruding upward from the substrate; a lever with a retaining department. The ring component includes two mutual spaced and parallel second ring departments, the two first ring departments and the two second ring departments are respectively arranged corresponding to each other, therefore, the first ring department and the second ring department corresponding to each other can form a closed ring when the lever folder mechanism is closed. The lever is movably arranged on the convex department to make the retaining department and the ring component contact; the lever folder mechanism is characterized in that the lever folder mechanism also includes at least one installation device used for installing the lever folder mechanism on the cover.

Description

Lever clamp mechanism

Technical field

The utility model 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 applicant's Chinese patent 01124645.6 discloses a kind of lever clamp mechanism.This lever clamp mechanism is normally made the lever folder by adopting rivet to be fixed on the strip of paper used for sealing.Typically, by rivet being passed the opening on strip of paper used for sealing and the lever clamp mechanism, lever clamp mechanism is fixed on the strip of paper used for sealing.The afterbody of each rivet is deformed (for example, by punching press) then, with the truck dead lever clamp mechanism.In case after the assembling, the lever double-layered quilt is packed and is shipped to retail trader, retailer or directly delivers to the end user.

The shortcoming of this lever folder is, after assembling, big slit is present between the strip of paper used for sealing of lever clamp mechanism and each lever folder, makes in shipment and when depositing a plurality of levers folder, quantity space is not used greatly.Therefore, the quantity of lever folder is restricted greatly in each packing case.As a result, the efficient of the existing lever folder of packing and shipment is not high, causes sizable shipment and landed cost.And, even the lever of limited quantity folder has also occupied sizable parking space or retail display space.

Thereby, be necessary the lever clamp mechanism of prior art is improved.

The utility model content

The problem that the utility model exists at the lever clamp mechanism of above-mentioned prior art and proposing.

Therefore, the purpose of this utility model provides a kind of lever clamp mechanism, and it can be at an easy rate assembles with the strip of paper used for sealing of lever folder, thereby can load and transport dividually with the strip of paper used for sealing of lever folder.

According to the utility model, 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, described lever clamp mechanism also comprises and is used for lever clamp mechanism is installed at least one erecting device on the strip of paper used for sealing.

According to lever clamp mechanism of the present utility model, can be packaged under situation about lever clamp mechanism not being installed to securely on the strip of paper used for sealing, load and transport, deposit and/or sell, thereby more packaged than the lever folder of lever clamp mechanism in more effective and more cost effective mode with installation, load and transport and deposit.

Description of drawings

Fig. 1 is the stereogram that is in closure state according to the lever clamp mechanism of the utility model first embodiment;

Fig. 2 is the bottom side perspective view that is in closure state according to the lever clamp mechanism of the utility model first embodiment;

Fig. 3 is according to the stereogram of the lever clamp mechanism of the utility model first embodiment, has shown erecting device with is olation;

Fig. 4 is the front view according to the lever clamp mechanism partly cut-away of the utility model first embodiment;

Fig. 5 is the enlarged drawing of partly cut-away's part among Fig. 4;

Fig. 6 is the vertical view according to the lever clamp mechanism of the utility model first embodiment, and ring portion partly is removed to show erecting device;

Fig. 7 is the enlarged drawing partly of drawing a circle among Fig. 6;

Fig. 8 is the stereogram according to the erecting device of the utility model first embodiment;

Fig. 9 is the bottom side perspective view according to the erecting device of the utility model first embodiment;

Figure 10 is the exploded perspective view according to the erecting device of the utility model first embodiment;

Figure 11 is the vertical view according to the erecting device of the utility model first embodiment;

Figure 12 is the cutaway view along the line 12-12 of Figure 11;

Figure 13 A is a partial sectional view, with is olation shown erecting device be fixed on the substrate before and the state of lever clamp mechanism before being installed on the strip of paper used for sealing;

Figure 13 B is and schematic diagram like Figure 13 category-A, shown that lever clamp mechanism just is being installed on the strip of paper used for sealing;

Figure 13 C is and schematic diagram like Figure 13 category-B, shown that lever clamp mechanism has been installed on the strip of paper used for sealing;

Figure 14 is the stereogram that is in closure state according to the lever clamp mechanism of the utility model second embodiment;

Figure 15 is according to the stereogram of the lever clamp mechanism of the utility model second embodiment, has shown erecting device with is olation;

Figure 16 is the vertical view that is in closure state according to the lever clamp mechanism of the utility model second embodiment, and ring portion partly is removed to show erecting device;

Figure 17 is the partial sectional view of the line 17-17 in Figure 16;

Figure 18 is the enlarged drawing partly of drawing a circle among Figure 16;

Figure 19 is the stereogram that is in closure state according to the lever clamp mechanism of the utility model the 3rd embodiment;

Figure 20 is according to the stereogram of the lever clamp mechanism of the utility model the 4th embodiment, has shown erecting device with is olation; And

Figure 21 is according to the stereogram of the lever clamp mechanism of the utility model the 5th embodiment, has shown erecting device with is olation.

The specific embodiment

Fig. 1-12 has shown the lever clamp mechanism 100 according to the utility model first embodiment.Comprise flat substantially substrate 101 according to lever clamp mechanism 100 of the present utility model.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.Also on substrate, form one or more hole 115.

Also comprise lever 117 and roller 119 according to lever clamp mechanism 100 of the present utility model, roller 119 preferably is made of plastics.Lever 117 comprises lever body 117b, from the crooked lever head 117c that extends of lever body one end and at the operating side 117a of the lever body other end.Roller 119 is installed to the junction surface of lever body 117b and lever head 117c by bearing pin 121.

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 as rivet at the free end of lever head 117c, makes that rod 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.

Under lever clamp mechanism closure state shown in Figure 1, make progress away from substrate rotating lever 117 by grasping lever end 117a, lever is rotated counterclockwise from state shown in Figure 1 around fixture 123, the roller 119 that causes being installed on the lever moves apart jut 105d along the direction towards lever end 117a, 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.In the process that makes progress away from substrate rotating lever 117, lever contacts with the stop part 109a that gives prominence to from lug boss 109, limited lever and upwards further rotated, thereby avoided lever end 117a to enter the gap between first ring portion 103 and the second ring portion 105a and hinder the access page.Under the lever clamp mechanism open mode, operating side 117a by grasping lever 117 is downwards towards substrate rotating lever 117, the roller 119 that causes being installed on the lever moves to jut 105d along the direction away from 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 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, it is (not shown in the present embodiment that 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, but be presented in Figure 20 and 21), be used for when opening lever clamp mechanism, holding roller 119.For the ease of processing, also can be formed with recess on jut 105d bilateral symmetry ground.

Also comprise according to lever clamp mechanism 100 of the present utility model and to be used for lever clamp mechanism is installed at least one erecting device 127 on the strip of paper used for sealing.In first embodiment, comprise two erecting devices 127 on the jut 101a that is separately positioned on substrate 101 two ends.Each erecting device 127 comprises retainer 129 respectively and is used for fixing the fixture 131 of retainer 129.Each retainer 129 has central opening 129a and extends and be projected into a plurality of protuberance 129b of central opening substantially around central opening 129a.Shown in shown five protuberance 129b in the structure, but can adopt protuberance more or still less.

Fixture 131 is tubular form and has two open ends.At first end, fixture 131 comprises deformable antelabium 131a, is used for fixture 131 is installed to hole 115 on the substrate 101.Should be understood that, can use fixture 131 is installed to the alternate manner on the substrate 101 and does not break away from scope of the present utility model.At second end, each fixture 131 comprises round flange 131b, and flange 131b forms the opening 131c of second end.Preferably, on the tubular body of fixture 131, also be formed with shoulder 131d, when being installed to fixture 131 on the substrate 101, the basal surface of the jut 101a of substrate 101 is cooperated with shoulder 131d, guarantee to be in substantially on the same horizontal plane, as shown in Figure 5 at the basal surface of the round flange 131b that assembles posterior fixation devices 131 and the basal surface of substrate 101.

During assembling, each retainer 129 is received among the opening 131c of fixture 131 and the crooked outward flange by round flange 131b is fixed to round flange 131b.Preferably, the protuberance 129b of retainer 129 tilts, and makes that protuberance 129b extends internally towards the antelabium 131a of fixture 131, shown in Fig. 5 and 12 when retainer 129 is fixed on the fixture 131.

Shown in Figure 13 A-13C, each securing member 133 passes hole 135a on the strip of paper used for sealing 135 and the respective openings 129a on the retainer 129, so that lever clamp mechanism 100 is fixed on the strip of paper used for sealing 135.Each securing member 133 comprises axle 133b with free end 133a and the head 133c that is installed to an other end.Free end 133a is tapered, so that easier hole 135a on the strip of paper used for sealing 135 and the opening 129a on the retainer 129 of passing of the axle 133b of securing member 133.The protuberance 129b elastically deformable of retainer 129, and the width W 1 of the opening 129a that is limited by protuberance 129b on each retainer is less than the width W 2 of the axle 133b of securing member 133, as shown in FIG. 13A.When securing member 133 was pushed through opening 129a on the retainer 129, shown in Figure 13 B, protuberance 129b was out of shape (that is, towards the antelabium 131a axial dipole field of fixture 131), thereby made wideer axle 133b by this opening.When securing member 133 was pushed through opening 129a on the retainer 129, the free end of protuberance 129b engaged with the axle 133b of securing member 133 and along its slip.In case insert, the free end of protuberance 129b keeps contacting with the surface of axle 133b and stoping securing member 133 to take out from retainer 129.The angle of inclination of protuberance 129b help to guide securing member 133 by opening 129a, help the distortion of protuberance and also make the protuberance free end clamp the surface of the axle 133b of securing member.The protuberance 129b free end that securing member is clamped a 133b surface stops taking-up.Be tending towards causing protuberance 129b to shift to flat state from the motion of fixture 131 and retainer 129 taking-up securing members 133.This has reduced the size of opening 129a and has made protuberance 129b more near securing member 133, thereby stops its taking-up.When securing member 133 was used to that lever clamp mechanism is fixed to strip of paper used for sealing 135, each fastener head 133c engaged with the outer surface of strip of paper used for sealing 135, shown in Figure 13 C.

Lever folder of the present utility model can be assembled easily and manually.Opening 129a on the retainer 129 that fixture 131 keeps is alignd with 135a on the strip of paper used for sealing 135.Then, hole 135a on each securing member 133 insertion strip of paper used for sealing 135 and the opening 129a on the respective stop part 129 make the protuberance 129b of retainer clamp the axle 133b of securing member, thereby lever clamp mechanism 100 are fixed on the strip of paper used for sealing.

Therefore, lever of the present utility model folder 100 can be packaged under situation about lever clamp mechanism 100 not being installed to securely on the strip of paper used for sealing 135, load and transport, deposit and/or sell.For example, a plurality of strips of paper used for sealing 135 can be packed together and be loaded and transported, and make that less space is wasted between contiguous strip of paper used for sealing.This can make strip of paper used for sealing front panel, rear board and spine be in same plane substantially and 135 1 on strip of paper used for sealing is positioned on another and realize by strip of paper used for sealing 135 is kept flat.Lever clamp mechanism 100 and securing member 133 can be packaged in the same container with strip of paper used for sealing 135 or separate packing.No matter in which way, lever clamp mechanism 100 can be arranged such that the space of waste is minimum.Be used for lever clamp mechanism 100 a kind of may manner of packing be adopt the over-over mode assembly unit they, make the ring portion of a lever clamp mechanism between the ring portion of adjacent lever clamp mechanism.As a result, strip of paper used for sealing 135 that separates and lever clamp mechanism 100 can be more packaged in more effective and more cost effective mode than the lever of the lever clamp mechanism with installation folder, load and transport and deposit.

Lever clamp mechanism 100 can be for example be transported to the user after selling before or before displaying, be installed on the strip of paper used for sealing 135 by the retailer.It should be understood that the user may wish to keep lever clamp mechanism 100 and strip of paper used for sealing 135 to separate so that utilize the advantage of saving parking space.Therefore, the user is installed to people on the strip of paper used for sealing 135 with lever clamp mechanism 100.Thereby, it should be understood that why not combined and form the lever folder with the time lever clamp mechanism of the present utility model and strip of paper used for sealing can be in office.Only is exemplary by retailer or user with the example that lever clamp mechanism is installed on the strip of paper used for sealing, and just as is understood, other people comprises that lever presss from both sides manufacturer and can assemble the lever folder.It should be understood that and adopt automatic process or artisan craftsmanship described here lever clamp mechanism can be installed on the strip of paper used for sealing.

Figure 14-18 has shown the lever clamp mechanism 200 according to the utility model second embodiment.According to the structure of the lever clamp mechanism 200 of the utility model second embodiment with similar substantially, except the fixture difference according to the lever clamp mechanism 100 of the utility model first embodiment.Lever clamp mechanism 200 according to the utility model second embodiment adds that with identical label 100 represent with the lever clamp mechanism 100 identical or similar parts of the utility model first embodiment, and omits the description to same parts.

Each erecting device 227 comprises retainer 229 respectively and is used for fixing the fixture 231 of retainer 229.Retainer 229 is identical with retainer 129 among first embodiment.Fixture 231 comprises a plurality of upwards kink 231a and a plurality of support portion 231b between adjacent kink 231a that the peripheral intervals ground in the hole 215 on the substrate 201 forms.Kink 231a and support portion 231b are formed on the substrate 201 by cutting and bending part substrate.During assembling, retainer 229 is placed on the support portion 231b of hole 215 peripheries, and, retainer 229 is securely fixed on the substrate 201 by pressing down kink 231a.

Figure 19 has shown the lever clamp mechanism 300 according to the utility model the 3rd embodiment.According to the structure of the lever clamp mechanism 300 of the utility model the 3rd embodiment with similar substantially, except fixture number difference according to the lever clamp mechanism 200 of the utility model second embodiment.Lever clamp mechanism 300 according to the utility model the 3rd embodiment adds that with identical label 100 represent with the lever clamp mechanism 200 identical or similar parts of the utility model second embodiment, and omits the description to same parts.Lever clamp mechanism 300 according to the utility model the 3rd embodiment comprises four erecting devices 327.The number that it should be understood that erecting device can be any number, and erecting device also can be arranged on any position on the substrate as required.

Figure 20 has shown the lever clamp mechanism 400 according to the utility model the 4th embodiment.According to the structure of the lever clamp mechanism 400 of the utility model the 4th embodiment with similar substantially, except lever shape and mode of operation difference according to the lever clamp mechanism 100 of the utility model first embodiment.Lever clamp mechanism 400 according to the utility model the 4th embodiment adds that with identical label 300 represent with the lever clamp mechanism 100 identical or similar parts of the utility model first embodiment, and omits the description to same parts.

The lever 417 of the lever clamp mechanism 400 of the 4th embodiment comprises lever body 417b, from the crooked lever head 417c that extends of lever body one end and at the operating side 417a of the lever body other end.Roller 419 is installed to the free end of lever head 417c 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 417b and lever head 417c.When operation, by lever clamp mechanism 400 being opened, by making lever clamp mechanism 400 closures away from substrate 401 rotating levers 417 towards substrate 401 rotating levers 417.

Figure 21 has shown the lever clamp mechanism 500 according to the utility model the 5th embodiment.According to the structure of the lever clamp mechanism 500 of the utility model the 5th embodiment with similar substantially, except lever shape and mode of operation difference according to the lever clamp mechanism 400 of the utility model the 4th embodiment.Lever clamp mechanism 500 according to the utility model the 5th embodiment adds that with identical label 100 represent with the lever clamp mechanism 400 identical or similar parts of the utility model the 4th embodiment, and omits the description to same parts.

Lever 5 17 according to the lever clamp mechanism 500 of the utility model the 5th embodiment has two operating sides that are available for users to grasping, i.e. the first operating side 517a and the second operating side 517a '.Roller 519 is installed on the lever body 517b on the position between the first operating side 517a and the second operating side 517a '.The another location of lever 517 between the first operating side 517a and the second operating side 517a ' is installed on the lug boss 509 by fixture 523.Among the first operating side 517a and the second operating side 517a ' one or two can extend to outside the closed hoop of corresponding mutual relative first ring portion 503 and second ring portion 505a formation, so that user's grasping.The user can bring in by the arbitrary operating side of grasping or two operations of grasping simultaneously and open or closed lever clamp mechanism.Preferably, the stop part 517d that at least one is given prominence to towards lug boss 509 is set on lever body 517b, the slewing area of lever during with control open and close lever clamp mechanism.

In above-mentioned all embodiment, erecting device comprises independent retainer, but it should be understood that retainer can be integrally formed into substrate, and omits fixture.That is, have a plurality of protuberances that extend and be projected into central opening substantially around the hole on the substrate on the substrate.In this case, the rigidity and the elasticity of substrate material therefor there is specific (special) requirements, may causes whole cost to increase.

Although abovely describe preferred embodiment of the present utility model in conjunction with the accompanying drawings in detail by nonrestrictive mode, should be understood that, under the situation that does not break away from the utility model claim institute restricted portion, can carry out various conversion and modification to the utility model.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 in the protection domain of the present utility model.

Claims

1, a kind of lever clamp mechanism, described lever clamp mechanism comprises:

Flat substrate;

From the lug boss of described substrate to upper process; And

It is characterized in that described lever clamp mechanism also comprises and is used for lever clamp mechanism is installed at least one erecting device on the strip of paper used for sealing.

2, lever clamp mechanism as claimed in claim 1 is characterized in that, described erecting device comprises retainer.

3, lever clamp mechanism as claimed in claim 2 is characterized in that, described retainer comprises opening and a plurality of protuberances that extend in the described opening.

4, lever clamp mechanism as claimed in claim 3 is characterized in that, described protuberance tilts.

5, lever clamp mechanism as claimed in claim 3 is characterized in that, described protuberance has elasticity.

6, as the arbitrary described lever clamp mechanism of claim 2 to 5, it is characterized in that described retainer is formed on the described substrate.

7, as the arbitrary described lever clamp mechanism of claim 2 to 5, it is characterized in that described lever clamp mechanism also comprises fixture, described retainer is fixed on the described substrate by described fixture.

8, lever clamp mechanism as claimed in claim 7 is characterized in that, described fixture is tubular form and has two open ends.

9, lever clamp mechanism as claimed in claim 8 is characterized in that, first end of described fixture is installed in the hole on the substrate, and second end of described fixture is used for fixing described retainer.

10, lever clamp mechanism as claimed in claim 9 is characterized in that, described first end comprises the deformable antelabium.

11, lever clamp mechanism as claimed in claim 9 is characterized in that, described second end comprises round flange, and flange forms the opening of second end.

12, lever clamp mechanism as claimed in claim 11 is characterized in that, described retainer is received in the opening and by the crooked outward flange of round flange and is fixed to round flange.

13, lever clamp mechanism as claimed in claim 8 is characterized in that, also is formed with shoulder on the tubular body of described fixture, and described shoulder cooperates with the basal surface of the jut of substrate.

14, lever clamp mechanism as claimed in claim 7 is characterized in that, described fixture comprises a plurality of kinks that the peripheral intervals ground in the hole on the substrate forms and a plurality of support portions between adjacent kink.

15, lever clamp mechanism as claimed in claim 14 is characterized in that, described kink and described support portion are formed on the substrate by cutting and bending.

16, lever clamp mechanism as claimed in claim 14 is characterized in that, by pressing down described kink, described retainer is securely fixed on the substrate.

17, lever clamp mechanism as claimed in claim 1 is characterized in that, also comprises being used for lever clamp mechanism is installed to securing member on the strip of paper used for sealing.

18, lever clamp mechanism as claimed in claim 3 is characterized in that, also comprises being used for lever clamp mechanism is installed to securing member on the strip of paper used for sealing.

19, lever clamp mechanism as claimed in claim 18 is characterized in that, securing member comprises the head that has free-ended axle and be installed to an other end.

20, lever clamp mechanism as claimed in claim 19 is characterized in that, free end is tapered.

21, lever clamp mechanism as claimed in claim 18 is characterized in that, the width of the opening that is limited by protuberance on the retainer is less than the width of the axle of securing member.

22, lever clamp mechanism as claimed in claim 1 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.

23, lever clamp mechanism as claimed in claim 1 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.

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 two second ring portions link into an integrated entity by connecting portion, and described connecting portion comprises towards the bend of described substrate center bending.

27, lever clamp mechanism as claimed in claim 26 is characterized in that, 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.

28, lever clamp mechanism as claimed in claim 27 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.

29, lever clamp mechanism as claimed in claim 28 is characterized in that, forms the recess that is positioned on the described bend respectively in described jut both sides.

30, lever clamp mechanism as claimed in claim 1 is characterized in that, also is provided with the stop part that is used to limit described lever slewing area.