CN2578113Y

CN2578113Y - Annular binding clamp with actuator having buffer device

Info

Publication number: CN2578113Y
Application number: CN 01261139
Authority: CN
Inventors: 杜振源
Original assignee: World Wide Stationery Manufacturing Co Ltd
Current assignee: World Wide Stationery Manufacturing Co Ltd
Priority date: 2001-09-07
Filing date: 2001-09-07
Publication date: 2003-10-08
Anticipated expiration: 2011-09-07

Abstract

The utility model relates to a ring-shaped binding clamp, which comprises a sufficiently rigid curved upper piece for supporting a pair of hinges, wherein, a group of circular rings is arranged on the hinges and is used for being jointed with corresponding holes on a paper sheet clamped by the ring-shaped binding clamp, an actuation rod is positioned on both ends of the curved upper piece and is used for operating the hinges to open and close the circular rings, each actuation rod comprises one key provided with a buffer element, the buffer element wraps the keys, the lower edge of the buffer element is provided with one opening, the opening is extended towards the inner part, which forms a slot. The opening causes the keys to freely pass through the slot and enter the slot, and the buffer element and the keys can be connected together.

Description

The annular binding clip of actuating rod with buffer element

Invention field

The utility model relates to a kind of annular binding clip, and this binding clip has an improved actuator lever that is used for the switch annulus, relates in particular to a kind of buffer element that has to improve the actuator lever of tactile property.

Background technology

Annular binding accompany one roughly rigidity last slice, support a pair of hinged hinge on this slice, above-mentioned hinge pivot relative to each other rotates.One group of semicircular ring is fixed on each hinged hinge so that make the pivot of hinged hinge rotate switch semicircular ring apace.This motion is produced by the motion of the actuator lever that is positioned at the annular binding clip two ends.

Traditional actuator lever is made by stamped metal, and actuator lever has enough rigidity and transmits the necessary power of switch annulus.Yet quick acting produces the finger that unnecessary shaking force can be delivered to the user.And because actuator lever is by metal, particularly nickel plating is metal, and it is very sliding that actuator lever can become, and causes that the user points the slippage actuator lever, and may cause injuring the user.In addition, traditional actuator lever is along a lip that makes the outside upset that actuator lever rigidity and intensity increases is arranged on most of circumference.The limit of above-mentioned lip may be sharp-pointed, and when closing annulus, the pressure that press...withes one's finger can be felt under the weather.

As U.S. Pat 5,234, shown in 276, the trial that an external member is provided for actuator lever had been arranged.The purpose of external member is to make the operator of bookbinding folder use the metallic operation bar easier and/or make actuator lever longer there, thereby obtains bigger lever ratio.Above-mentioned external member is made of two hinged plastic sheets, and above-mentioned plastic sheet is bonded together actuator lever is held wherein fully.Unfortunately, the plastics external member is damaged easily, particularly the little interlocking plunger that two demifacets are kept together.Hinge has sharp-pointed edge, and particularly around the corner, the slit between the two halves that hinge matches can build up of dirt and dust.And hinge also damages easily.In addition, external member is a rigidity, big and heavy, is about three times of sizes of actuator lever, causes not making us pleasing in appearance.

Summary of the invention

This technical field need for the actuator lever of: annular binding clip use comfortable and anti-skidding, in the time of can also be with the switch annulus because the unnecessary shaking force feedback that the quick acting of annulus causes is reduced to minimum.

The requirement of the utility model by providing an annular binding clip to realize above-mentioned this area, this annular binding clip comprise the circular arc last slice that is supporting a pair of hinge of rigidity roughly.One group of annulus is installed on the hinge, is used for engaging with corresponding hole on the paper of ring type hinge folder clamping.One actuator lever is positioned at the two ends of circular arc last slice, comes the switch annulus in order to handle hinge.

Each actuator lever comprises a key that has buffer element.Buffer element wraps key.There is an opening lower edge of buffer element, and its inside that extends to buffer element forms a groove.Opening make bond energy enough freely by and enter in the groove, make buffer element to link together with key.

This buffer element is touched by user's finger, swings actuator lever so that annulus moves between enable possition and closed position.This buffer element is by elastomeric material, the cushion of making such as rubber or flexible plastic.This buffer element has improved the tactile characteristics of actuator lever, and it is more comfortable to make actuator lever use.This buffer element has also reduced the undesirable vibrational feedback that is produced by the quick acting of annulus when the opening and closing annulus.

The utility model further scope of application will be more cheer and bright from detailed description given below.Yet, should be appreciated that, detailed description and the specific embodiment done when explanation preferred embodiment of the present utility model only provide for example, for the person of ordinary skill of the art, by detailed description herein, in the utility model design and scope, can make various modifications and variations obviously.

Description of drawings

The utility model will provide from below in detailed explanation and the accompanying drawing and become very clear, and provide detailed explanation and accompanying drawing below and only provide for example, be not to qualification of the present utility model, wherein therefore:

Fig. 1 is clipped in the upper perspective view of annulus closed position for annular binding of the present utility model;

Fig. 2 is clipped in the upper perspective view of annulus open position for annular binding of the present utility model;

Fig. 3 is the underside perspective view of annular binding clip;

Fig. 4 is the decomposition diagram of annular binding clip;

Fig. 5 is the front view of actuator lever inside among first embodiment, and wherein, buffer element removes;

Fig. 6 is the side view that has removed the actuator lever of buffer element among first embodiment;

Fig. 7 is the front view of inside that has the actuator lever of buffer element among first embodiment;

Fig. 8 is the side view that has the actuator lever of buffer element among first embodiment;

Fig. 9 is the inside decomposition diagram figure that has the actuator lever of buffer element among first embodiment;

Figure 10 is a perspective internal view of having loaded onto the actuator lever of buffer element among first embodiment;

Figure 11 is the inside decomposition diagram figure that has loaded onto the actuator lever of buffer element among second embodiment;

Figure 12 is a perspective internal view of having loaded onto the actuator lever of buffer element among second embodiment;

Figure 13 is an inside elevation view of having loaded onto the actuator lever of buffer element among second embodiment;

Figure 14 is a side view of having loaded onto the actuator lever of buffer element among second embodiment.

The specific embodiment

See accompanying drawing for details, especially referring to Fig. 1-4, above-mentioned accompanying drawing shows annular binding clip of the present utility model.Annular binding clip 10 can be fixed on (not shown) on the strip of paper used for sealing spare, makes a loose-leaf binder.Strip of paper used for sealing spare preferably has a ridge between the front cover of front and back.Annular binding clip 10 can link to each other with strip of paper used for sealing spare by any traditional securing member, and traditional securing member is rivet for example, and it passes strip of paper used for sealing spare and by such as the punching press distortion, annular binding clip 10 firmly and enduringly can be fixed on the strip of paper used for sealing spare.

Annular binding clip 10 comprises the roughly circular arc last slice 12 of rigidity, above-mentioned circular arc last slice 12 comprises a pair of first ribs 14 along its middle part longitudinal extension, ribs from an outer surface of circular arc last slice 12 upwards, protruding, thereby improve the flexing resistance of circular arc last slice 12.First ribs 14 from the end to end of circular arc last slice 12, extends along whole length basically.Circular arc last slice 12 also comprises several to second ribs 16, they from an outer surface of circular arc last slice 12 upwards, protruding, and be positioned at first ribs, 14 outsides.

Circular arc last slice 12 also comprises the pit 18 near its end.Each pit 18 comprises the hole 20 of passing circular arc last slice 12.One cylinder 22 is fixed on the circular arc last slice 12 at pit 18 places.One end of cylinder 22 is installed in the hole 20, for example by punching press.The other end of cylinder 22 has a flange 24, and it has formed a pedestal for ring-type attachment means 10 connects strip of paper used for sealing.

A pair of hinged hinge 26 supports by circular arc last slice 12, and circular arc last slice 12 provides a biasing force on hinged hinge 26, makes the motion in addition at the center of hinged hinge 26.One group of annulus spare 28 is installed on the hinged hinge 26, is used for engaging with the corresponding hole that forms on the paper that is kept at annular binding clip 10.

Actuator lever 30 is positioned at each end of circular arc last slice 12, comes switch annulus 28 in order to handle hinged hinge 26.When the annulus 28 of annular binding clip 10 during in the closed position, the central hinge portion 32 that makes hinged hinge 26 away from motion mutually of actuator lever 30 is towards circular arc last slice 12 motions, thereby causes that the annulus 28 that together moves with hinged hinge 26 moves to open position.On the contrary, when the annulus 28 of annular binding clip 10 during at open position, the mutual orientation movements of actuator lever 30 makes the central hinge portion 32 of hinged hinge 26 away from circular arc last slice 12 motions, thereby causes that annulus 28 gets back to the closed position.The patent No. is that the United States Patent (USP) of US5354142 fully discloses a kind of annular binding clip that oneself knows, this annular binding clip comprises traditional open/close mechanism that has actuator lever, at this with the combination of the full content in the above-mentioned patent as a reference.

Referring to accompanying drawing 5-14, they show the actuator lever 30 in the utility model, and actuator lever 30 comprises one by the metal main body 34 that the nickel plating protective layer is arranged.Include some ribs 36 on each actuator lever 30, to strengthen the rigidity of main body 34.Described main body 34 also comprises a pair of groove 38 that is positioned at opposite side, and it has constituted the turning cylinder of actuator lever 30.The bottom of main body 34 comprises hook-like part 40, and it touches and motion hinge 26.The upper end person of being to use of main body 34 points the portion of touching, and is used to make actuator lever to swing around the turning cylinder that described groove 38 is limited, so that open and close the annulus 28 of annular binding clip 10.

The top of main body 34 have one trapezoidal, the flat key 42 of rectangle preferably.In the first shown embodiment of Fig. 5-10, key 42 has a pair of straight sidewall that is parallel to each other 44, with a upper wall 46 that is connected with sidewall 44 upper ends.A pair of circular arc 48 couples together the sidewall 44 and the upper wall of key 42.

In conjunction with Fig. 7-10 explanation buffer element 50 described in the utility model.Buffer element 50 generally all is looped around around the key 42, and preferably the shape than key 42 is big slightly, as shown in Figure 7.Buffer element 50 should be large enough to cover key 42, and user's finger can not run into the Roughen Edges on the key like this, and just touches the plane of the softness on the buffer element 50.Buffer element 50 be one by the elastomeric material cushion that constitutes of rubber or flexible plastic preferably.

Shown in Fig. 7 and 8, it is trapezoidal that buffer element 50 generally is, preferably rectangle.Buffer element 50 has an inner surface 52 and an outer surface 54.Inner surface 52 is meant when buffer element 50 is installed on the key 42, and from the nearest face of annulus 28, outer surface 54 is meant when buffer element 50 is installed on the key 42, from annulus 28 face farthest.User's finger push inner surface 52 makes actuator lever 30 rotations, so that annulus 28 is shown in an open position; User's finger push outer surface 54 makes actuator lever 30 rotations, so that annulus 28 is in the close position.

A protuberance 56 is arranged on the inner surface 52 of buffer element 50.The outer surface 54 of buffer element 50 is generally flat surfaces.Buffer element 50 also comprises a upper edge 58, a lower edge 60 and pair of sidewalls 62.An opening 64 is arranged on the lower edge 60, and extend to groove 66 of buffer element 50 inner formation.Groove 66 forms a rectangular cavity on buffer element 50.The width of groove 66 is substantially equal to or is slightly smaller than the distance of 44 of the sidewalls of key 42.

As shown in Figures 9 and 10, in order to load onto buffer element 50, key 42 freely by opening 64, slides in the groove 66 on the buffer element 50.Buffer element 50 is pressed down on the key 42, up to the latter end 68 of the close groove 66 in the upper edge of key 42.

Buffer element 50 preferably is fixed on the key 42 by the frictional force between the outer surface of the inner surface of groove 66 and key 42.In order to increase frictional fit, the preferably smooth smooth plane of the inner surface of groove 66 is to increase the contact-making surface between groove 66 and the key 42.In addition,, also can increase contact friction, come off from key 42 to prevent buffer element 50 if buffer element 50 is made by rubber or artificial rubber elastomeric material.If necessary, also can between buffer element 50 and key 42, use adhesive to help fix.

Below with reference to Figure 11 to 14 second embodiment of the present utility model is described.In this embodiment, the sidewall 44 of key 42 has some barbs or uncinus 70.Each uncinus 70 comprise one to the limit the previous section 72 of the flare till 74 and one from the summit 74 aft section 76 that do not tilt that extend internally.Aft section 76 is parallel with the upper edge 46 of key 42.Each sidewall 44 on the key 42 preferably has two uncinuses 70, and is some more or less also passable.

The effect of uncinus 70 is that buffer element 50 can be installed on the key 42 at an easy rate.In case buffer element 50 is installed on the key 42, the summit 74 on the uncinus 70 just can be embedded in the inwall of groove 66, makes buffer element 50 can be fixed on the key 42.The inwall of groove 66 can be smooth, and also the jag that can have some to hold uncinus accordingly is fixed on buffer element 50 on the key 42 with help.

Buffer element 50 in the utility model is preferably in when making annular binding clip 10 and just is installed on the actuator lever 30.Perhaps, buffer element 50 also can be installed on the key 42 at any time according to user's hope.

Though buffer element 50 is preferably made by rubber or flexible plastic, it also can be made by other padded coamings such as leather or dense foamed material etc.And in order to make annular binding clip and strip of paper used for sealing spare or to match with material in the loose-leaf binder, buffer element 50 can be made different colours.In the utility model, buffer element 50 preferably makes single parts.

Though the main body 34 of actuator lever 30 is to be made by the stamped metal material that the nickel plating protective layer is arranged, it also can be made by other suitable stiff materials such as plastics etc., does not depart from the utility model.

Though explanation annular binding clip 10 can be installed on the ridge of strip of paper used for sealing spare in the preferred embodiment, it also can be installed on preceding front cover or the back front cover.Though show three annulus 28 among Fig. 1-4, should be appreciated that the quantity of annulus 28 and layout can change.For example, can adopt two or four rings.In addition, can equidistantly install between ring and the ring, also different spacings can be arranged.At last, though the annulus 28 that shows is circular, the ring of D type or other shapes also can adopt.

Though the actuator lever buffer element 50 that the utility model is described be used in crooked last slice have on a pair of first ribs 14 and several annular binding clip second ribs 16, it also can be used in the Any shape that do not have ribs last slice on.

The aforesaid way statement is adopted in invention, and clearly it can have many variations that are equal to.Such variation should not think and broken away from design of the present utility model and the scope that for a person skilled in the art, the modification of all these classes all should be included within the claimed scope.

Claims

1, a kind of annular binding clip, it comprises:

One last slice;

A pair of hinged hinge, its by described last slice supporting;

One group of annulus, it is connected on the described hinge and activity thereupon;

It is characterized in that also comprising:

The actuator lever that at least one can be swung, described actuator lever are used for the primary importance that described hinge cuts out from described annulus is moved to the second place that described annulus is opened, and described actuator lever has at an upper portion thereof a key; And

A buffer element, buffer element covers and is looped around on the described key, there is an opening lower edge of described buffer element, described opening stretches to the inside of described buffer element and has formed a groove, bond energy links together key and buffer element freely by opening and slide in the groove of buffer element.

2, annular binding clip as claimed in claim 1 is characterized in that described buffer element is to be made by elastomeric material or flexible plastic.

3, annular binding clip as claimed in claim 1 is characterized in that described buffer element is the parts of an integral unit.

4, annular binding clip as claimed in claim 1 is characterized in that the inner surface of described groove and the outer surface of described key all are continuous planes, to increase the contact area of the two, improves the frictional fit between the outer surface of the inner surface of described groove and described key.

5, annular binding clip as claimed in claim 1 is characterized in that described buffer element generally is trapezoidal, and inner surface and outer surface is arranged.

6, annular binding clip as claimed in claim 5, the inner surface that it is characterized in that described buffer element are continuous planes, have one above to outer lug.

7, annular binding clip as claimed in claim 1 is characterized in that described key comprises a pair of sidewall that is parallel to each other, and a upper wall that is connected with sidewall upper.

8, annular binding clip as claimed in claim 7 is characterized in that having a uncinus on the described key sidewall at least.

9, annular binding clip as claimed in claim 8 is characterized in that described uncinus comprises the previous section and the aft section that do not tilt that extends internally from this point of flare till certain point.

10, annular binding clip as claimed in claim 1, it is characterized in that described key has an inner surface, outer surface, pair of sidewalls and a upper wall that is connected with sidewall upper, above-mentioned actuated piece is integral unit parts of being made by elastomeric material, there is an opening lower edge of above-mentioned buffer element, opening stretches to the inside of described buffer element and has formed a groove, this key is inserted in the groove, so that this buffer element can be covered on inner surface, outer surface, pair of sidewalls and the upper wall of described key.