CN212353363U - Loose-leaf file - Google Patents

Abstract

The invention discloses a novel loose-leaf folder, which comprises an upper plate (1) and a lower plate (2), wherein a ring binder (3) is arranged between the upper plate (1) and the lower plate (2), and the novel loose-leaf folder is characterized in that: and a limiting part (4) for limiting the end part of the paper is arranged in the ring clamp (3). Compared with the prior art, the invention has the advantages that: when the folder is closed, the page turning-over sheet can automatically reset along with the closing of the upper plate sheet, redundant page turning actions are not needed, the page turning-over sheet cannot be bent, the step of closing the page turning-over sheet firstly is omitted, and the operation is simple and smooth.

Description

Loose-leaf file

Technical Field

The utility model belongs to the technical field of the file specifically indicates a novel loose-leaf file that file paper can not bend is closed directly to the point.

Background

A loose-leaf folder also called a punching folder is specially used for clamping punched files, and is matched with the punched files for use and convenient to read, the loose-leaf folder in the prior art mainly comprises an upper plate and a lower plate, a spine is arranged between the upper plate and the lower plate, a ring clip is arranged on the spine, when in use, the punching folder is sleeved on the ring clip, when the folder with the structure is closed, the opened page is firstly turned back before the upper plate is closed, otherwise, the opened page is bent, when the action of closing the plates is started as shown in figure 1 and figure 2, because the aperture of the hole on the paper is larger than the diameter of the iron ring of the ring clip, the paper can be squeezed to the right by the upper plate, the left side of the hole on the paper is contacted with the iron ring (as shown by an arrow in the figure), and is accurately pressed below the iron ring, and the paper can not move upwards along the iron ring, the effect of the closing of the folder is then as shown in figure 3, with the sheets being folded by the cover in the following movement.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is to overcome the not enough of prior art, adopt a simpler structure can solve the difficult problem that prior art exists always, make loose-leaf folder use more convenient.

In order to solve the technical problem, the utility model provides a technical scheme does: the utility model provides a novel loose-leaf file, includes upper plate and lower plate, is equipped with the ring clamp between upper plate and the lower plate, be equipped with in the ring clamp to the spacing locating part of paper tip.

Compared with the prior art, the utility model the advantage lie in: when the folder is closed, the page turning-over sheet can automatically reset along with the closing of the upper plate sheet, redundant page turning actions are not needed, the page turning-over sheet cannot be bent, the step of closing the page turning-over sheet firstly is omitted, and the operation is simple and smooth.

Preferably, the limiting member is a protrusion structure. The bulge has simple structure, good production and low cost.

Preferably, the cross-sectional shape of the protruding structure is one of trapezoid, rectangle, triangle, semicircle and arc or the combination of the two. The shapes are common in the prior art, and the whole structure is simple.

Preferably, the cross-sectional shape of the protruding structure is a trapezoid. The trapezoid is an isosceles trapezoid, the two sides of the trapezoid are of inclined surface structures, and the trapezoid can be better matched with the right end of the file paper along with the thickening of the opened file.

Preferably, the height of the protrusions is 3-7 mm. When the paper slip ring is used specifically, the height of the protrusions is too low, the end portions of the paper cannot be well supported, the paper easily slips through the protrusions, gaps between the protrusions and the ring clamp are small due to the fact that the height of the protrusions is too high, turning of files is affected, the range of 3-7mm is a moderate range obtained by combining experiments and specific use conditions, and the use effect is good in the height range.

Preferably, the height of the protrusions is 5 mm. The bending rate of the directly closed file is lowest at the height.

Preferably, the included angle between the inclined edge of the trapezoid and the vertical line is 5-20 degrees. The motion of paper can all be influenced too big or too little to trapezoidal hypotenuse inclination, and inclination is too big not good to the support effect of paper tip, and the paper slides on the hypotenuse easily, and inclination is too little to the support of paper tip too restriction, and when turning over a page or leaf thick, the bottom page is cliied easily.

Preferably, the included angle between the inclined edge of the trapezoid and the vertical line is 10 degrees. The bending rate of the file directly closed at the angle is the lowest.

Preferably, the distance between the limiting part and the ring clamp is greater than or equal to the distance between the right quadrant point of the hole in the paper and the right end of the paper.

Preferably, the distance between the limiting part and the ring clamp is equal to the distance between the right quadrant point of the hole in the paper and the right end of the paper. The projections are designed to initially impart a supporting force to the right end of the sheet so that the end of the sheet does not deflect when the cover is activated.

Preferably, a clamping ridge is arranged between the upper plate and the lower plate, the ring clamp and the limiting part are arranged on the clamping ridge, a baffle is arranged at the end part of the clamping ridge, the clamping ridge is used for fixing the ring clamp and the limiting part, and the baffle can limit and tidy paper.

Preferably, all correspond in a plurality of ring clamps and be equipped with the locating part, the locating part is rectangular shape protruding structure, and rectangular shape protruding structure runs through in all ring clamps, that is to say that the position that all file holes correspond all has the arch to play the supporting role to the paper right-hand member, accepts evenly like this, has better flip effect.

Drawings

Fig. 1 is a schematic diagram of a structure for opening a file in the prior art.

Fig. 2 is a schematic diagram of the beginning of the closing of the prior art document.

Fig. 3 is a perspective view of a prior art document during closing.

FIG. 4 is a schematic diagram of a closed prior art document

Fig. 5 is a schematic structural view of the novel loose-leaf folder for opening files.

Fig. 6 is a schematic structural view of the novel loose-leaf folder when the file begins to close.

FIG. 7 is a schematic view of the structure of the loose-leaf binder of the present invention when it is opened

Fig. 8 is a perspective view of the novel loose-leaf folder in the closing process.

Fig. 9 is a partial enlarged view of the novel loose-leaf file of the present invention.

Fig. 10 is a schematic structural view of the novel loose-leaf file of the present invention, wherein the limiting part is triangular.

Fig. 11 is a schematic structural view of the novel loose-leaf file of the present invention, wherein the locating part is rectangular.

Fig. 12 is a schematic structural view of the novel loose-leaf file limiting part of the present invention being circular.

As shown in the figure: 1. upper plate, 2, lower plate, 3, ring clamp, 4, locating part, 5, clamp spine, 6, baffle, 7, paper, 8, through-hole.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

As shown in fig. 1 to 4, which are schematic structural diagrams of a prior art loose-leaf file, since the end of a paper sheet has no limiting device, when the action of closing the cover (i.e. the upper plate 1 in this application) is started, the paper sheet is pressed to the right by the cover due to the fact that the aperture of the hole on the paper sheet is larger than the diameter of the iron ring of the ring binder, so that the left side of the hole on the paper sheet is in contact with the iron ring (as shown in the arrow in fig. 1), and is accurately pressed below the iron ring, which directly results in that the paper sheet cannot move upwards along the iron ring, and thus the paper sheet is bent by the cover in the following movement, fig. 1 and 2 are schematic structural diagrams seen from the top after the baffle is removed, the right plate in fig. 1 and 2 is the upper plate, the upper plate is closed after reading is completed, the paper sheet cannot be turned over to cause the paper sheet to be bent, as shown in fig. 4, the structure of this application enables the paper sheet to be turned over completely, the paper is not buckled.

The utility model is directed to above-mentioned defect, a file that can directly closed front cover and paper can not bend is provided, concrete structure as follows: the utility model provides a novel loose-leaf file, includes upper plate 1 and lower plate 2, is equipped with ring binder 3 between upper plate 1 and the lower plate 2, be equipped with spacing locating part 4 to the paper tip in the ring binder 3, locating part 4 is protruding structure, in the concrete embodiment, bellied number can be one, two three etc..

The cross section of the convex structure is in one of or the combination of two of trapezoid, rectangle, triangle, semicircle and arc. The shapes of the protruding structures in the embodiment are more various and are not limited to the shapes mentioned above.

The cross section of the protruding structure is trapezoidal, and the trapezoid is an isosceles trapezoid.

As shown in fig. 9, the height L2 of the protrusion is 3-7mm, preferably 5 mm; an included angle a between the oblique side of the trapezoid and the vertical line is 5-20 degrees, preferably 10 degrees; the distance L1 between the limiting member 4 and the ring clamp 3 is greater than or equal to the distance between the right quadrant point of the hole on the paper and the right end of the paper, and preferably, the distance between the limiting member 4 and the ring clamp 3 is equal to the distance between the right quadrant point of the hole on the paper and the right end of the paper.

A clamping ridge 5 is arranged between the upper plate 1 and the lower plate 2, the ring clamp 3 and the limiting piece 4 are both arranged on the clamping ridge 5, and a baffle 6 is arranged at the end part of the clamping ridge 5.

All correspond in a plurality of ring clamps 3 and be equipped with locating part 4, locating part 4 is rectangular shape protruding structure, as shown in fig. 7 and fig. 8, the disclosed 3 numbers of ring clamps of this embodiment are three, and protruding number is two, and two archs run through three ring clamps.

As shown in fig. 5 to 9, fig. 7 is the structure schematic diagram of the utility model when the file is opened, fig. 8 is the structure schematic diagram of the utility model discloses the structure schematic diagram of the closed in-process of front cover, this direction is the file direction of normally reading of file folder, because the tip of pressing from both sides the spine is equipped with the baffle, from up going up the analysis baffle of looking up from the follow and sheltering from to some extent, so the structure schematic diagram of this application fig. 5 and fig. 6 is the view in another direction, and for easy understanding, has got rid of the baffle structure.

As shown in fig. 5 and 6, when the action of closing the cover is started, although the aperture of the hole on the paper is larger than the diameter of the iron ring of the ring clamp, the paper is supported because the protrusion (i.e. the limiting member) contacts with the end of the paper, and to achieve this technical point, the initial distance between the left side of the protrusion and the end of the paper is designed to be a small distance, or the initial distance between the left side of the protrusion and the end of the paper is designed to be zero, so that the paper is not squeezed to the right by the cover, and a state is formed: the right side of the hole in the sheet is in contact with the hoop, and more precisely, the right side of the hole in the sheet is at the upper right of the hoop, which enables the sheet to follow the hoop, so that the sheet is not folded by the cover in the next movement and automatically resets along with the closing of the cover, as shown in fig. 7.

The specific experimental data are as follows:

the experimental conditions were: the distance from the right quadrant point of the through hole on the paper to the right end of the paper is equal to the distance L1 between the limiting piece 4 and the ring clamp 3, in this case, the right end of the paper is contacted with the left end of the bulge, under the condition, 100 times of closing and closing of the front cover are carried out, and the times of successfully returning the opened page to the initial position (the state of being normally clamped by the clamping ring) on the premise of not bending are recorded.

And (4) experimental conclusion: experimental data show that when the cross section scheme of the limiting piece is a trapezoid with a side surface inclination angle of 10 degrees and a protrusion height of 5mm, 100% of the opened pages can not be bent and return to the initial position in the process of closing the cover.

In the experiment, although the bending rate of the semicircular and arc-shaped bulges is higher than that of a trapezoid, compared with the prior art, the technical problem that the file is easy to bend when closed is solved to a great extent, the cover is directly closed in the prior art, and the probability of bending the paper is basically one hundred percent.

The present invention and the embodiments thereof have been described above, and the description is not limited thereto, and the shape and size of the protruding structure, the protruding structure and the protruding structure disclosed in the present invention are not limited to the above-mentioned size, and in all, if the person skilled in the art receives the teaching, without departing from the spirit of the present invention, the structural mode and the embodiments similar to the technical scheme are not creatively designed, and all shall fall within the protection scope of the present invention.

Claims (12)

1. The utility model provides a novel loose-leaf file, includes upper plate (1) and lower plate (2), is equipped with ring binder (3), its characterized in that between upper plate (1) and lower plate (2): and a limiting part (4) for limiting the end part of the paper is arranged in the ring clamp (3).

2. A novel loose-leaf binder as claimed in claim 1, wherein: the limiting piece (4) is of a convex structure.

3. A novel loose-leaf binder as claimed in claim 2, wherein: the cross section of the convex structure is in one of or the combination of two of trapezoid, rectangle, triangle, semicircle and arc.

4. A novel loose-leaf binder as claimed in claim 3, wherein: the cross section of the protruding structure is trapezoidal.

5. A novel loose-leaf binder as claimed in claim 2, wherein: the height of the protrusions is 3-7 mm.

6. A novel loose-leaf binder as claimed in claim 5, wherein: the height of the protrusion is 5 mm.

7. A novel loose-leaf binder as claimed in claim 4, wherein: the included angle between the inclined edge of the trapezoid and the vertical line is 5-20 degrees.

8. A novel loose-leaf binder as claimed in claim 7, wherein: the included angle between the inclined edge of the trapezoid and the vertical line is 10 degrees.

9. A novel loose-leaf binder as claimed in claim 1, wherein: the distance between the limiting part (4) and the ring clamp (3) is larger than or equal to the distance between the right quadrant point of the hole in the paper and the right end of the paper.

10. A novel loose-leaf binder as claimed in claim 9, wherein: the distance between the limiting part (4) and the ring clamp (3) is equal to the distance between the right quadrant point of the hole in the paper and the right end of the paper.

11. A novel loose-leaf binder as claimed in claim 1, wherein: a clamping ridge (5) is arranged between the upper plate (1) and the lower plate (2), the ring clamp (3) and the limiting piece (4) are arranged on the clamping ridge (5), and a baffle (6) is arranged at the end part of the clamping ridge (5).

12. A novel loose-leaf binder as claimed in claim 2, wherein: all correspond in a plurality of ring clamps (3) and be equipped with locating part (4), locating part (4) are rectangular shape protruding structure.

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