CN218430666U - Loose-leaf binder with firm binding structure - Google Patents

Abstract

The utility model discloses a loose-leaf binder with firm binding structure, include: go up and bind the piece, bind piece and sliding part down, on, bind for sliding opening and shutting connection between the piece down, and there is the switching between the two to bind the buckle, on, bind the piece down and still have the direction chute that intersects, the direction straight flute, there is the sharp spout on binding the piece down, sliding part arranges the straight flute in, sliding part has the guide post that passes the direction chute simultaneously, the direction straight flute, one side of sliding part has spacing recess, the base of spacing recess has toughness, and form the interval between the straight flute, the rear end of spacing recess has first draw-in groove, there is two-sided slope A between first draw-in groove and the spacing recess, a lateral wall in the straight flute has the circular arc stuck point, the circular arc stuck point is arranged in spacing recess, and block in the first draw-in groove along two-sided slope A. Through the concave-convex clamping structure of the sliding part, when the binding retaining ring is closed, the overall structure of the loose-leaf binder is firmer, and the loose phenomenon is not easy to occur when a heavy file is bound.

Description

Loose-leaf binder with firm binding structure

Technical Field

The utility model relates to a loose-leaf binding apparatus field especially indicates to relate to a loose-leaf binder of binding sound construction.

Background

In the daily office process, people often need to bind scattered unordered files into orderly arranged booklets, so that the booklets are convenient to page, store and manage. From this derive all kinds of binding utensils, according to the binding mode, the binding utensil roughly divide into non-detachable type and dismantlement type two kinds, and non-detachable type binding utensil has a great drawback, if: a hot-melt binding machine which is difficult to disassemble and replace if the page is wrong and the page number is reversed; the detachable binding apparatus has a stapler, a perforated wire, a file and a binder, etc., and the operation process and the stability of the binding are superior and inferior.

Among them, in the field of binders, chinese patent application specification (application publication No. CN 111452535A) discloses a binder, which includes: the binder main body 2 and the binding tool 3 are described in paragraphs 0049 to 0068, and the binding tool includes a base member 31, a slide member 32, and a slide bar 33. The base member 31 is formed long in the longitudinal direction, and has a main body 311, 3 fixing holes 312, 3 base rails 313, and 8 first binding pieces 314; the slide member 32 is disposed on the upper portion of the base member 31 so as to be movable in the width direction via the slide bar 33, and has a main body 321, 3 inclined guide grooves 322, 3 slide rails 323 which are slidably engaged with the base rail 313, and 8 second binding pieces 324 which are opened and closed with the 8 first binding pieces 314 when the slide member slides; the slider 33 is disposed so as to be movable in the longitudinal direction between the base member and the slide member, and includes a main body 331, an operating portion 332, a guide groove 333, and 3 guide projections 334, the guide projections 334 being slidably engaged with the tilt guide grooves 322 of the slide member 32. When this binding tool is used, in a state where the slide bar 33 is inserted to the back side, the guide projection 334 of the slide bar 33 is positioned on the innermost side of the inclined guide groove 322 of the slide member 32, and in this state, the slide member 32 is positioned on the side closest to the book end, and the second binding piece 324 and the first binding piece 314 are in the closed position; conversely, when the slide bar 33 is pulled out to the front side by pinching the operation portion 332, the guide projection 334 of the slide bar 33 moves to the front side along the inclined guide groove 322 of the slide member 32, and stops in a state where the guide projection 334 is positioned at the position closest to the front side of the inclined guide groove 322, and the second binding piece 324 and the first binding piece 314 are in the open position. As can be seen, the sliding motion between the base member and the sliding member of the binding tool is controlled by the slide bar linkage, but in practice, when the bound document becomes thicker and the weight increases while the second binding piece 324 and the first binding piece 314 are in the closed state, the sliding member may easily slide outward a little if the operating part of the sliding member is touched carelessly and lightly, and at this time, the second binding piece 324 and the first binding piece 314 are separated by gravity, and the linkage forces the slide bar to slide out continuously, so that the whole binding structure becomes loose, and the binding stability is deteriorated.

In view of the above, the inventor of the present invention has devised the relevant experiences in the field of stationery for many years, and has made an invention through many tests and improvements based on the consideration of the structure optimization of the product.

Disclosure of Invention

The utility model discloses a purpose provides a loose-leaf binder that enables the binding structure more firm and difficult not hard up in order to solve the defect that above-mentioned prior art exists and not enough.

In order to achieve the above object, the present invention provides a loose-leaf binder with a firm binding structure, which comprises: the upper binding piece and the lower binding piece are provided with a sliding structure, the upper binding piece and the lower binding piece can be opened and closed in a relative sliding mode, a plurality of opening and closing binding buckles are further arranged between the upper binding piece and the lower binding piece, a guide chute is further arranged on the upper binding piece, meanwhile, a guide straight groove which is crossed with the guide chute is arranged on the lower binding piece, a linear chute which extends along the length direction of the lower binding piece is arranged on the lower binding piece, the sliding component is arranged in the linear chute and slides in a drawing mode, a guide column is arranged on the sliding component, penetrates through the guide straight groove and then is arranged in the guide chute, the double-face slope clamping groove is arranged between the first clamping groove and the second clamping groove, and meanwhile, an arc clamping point is arranged on one side wall in the linear chute, the arc clamping point is arranged in the limiting groove, and is clamped into the first double-face slope clamping groove.

As a preferential scheme of the loose-leaf binder with a firm binding structure, the front end of the limiting groove is provided with a second clamping groove, a double-faced slope B is arranged between the second clamping groove and the limiting groove, and the arc clamping point is clamped into the second clamping groove along the double-faced slope B when moving in the limiting groove line.

As a preferential solution for a loose-leaf binder with a firm binding structure, the other side wall in the linear chute is also provided with at least two circular arc convex parts which are supported in contact with the corresponding side surfaces of the sliding part.

Compared with the prior art, the utility model discloses a bind sound binder, through add unsmooth clamping structure between the straight line spout of piece and the sliding part under, when the sliding part inwards slided to the stroke point, the circular arc stuck point of straight line spout cell wall can carry out relative activity along sliding part's spacing recess, and go into first draw-in groove along two-sided slope A card, locking sliding part's slip direction and position this moment, make it temporarily unable removal, on the contrary, the circular arc stuck point also can break away from first draw-in groove along two-sided slope A, sliding part can slide once more. Through the concave-convex clamping structure, when the binding buckle is closed, the firmness of the overall structure of the loose-leaf binder can be increased, and the loose of the loose-leaf binder can not easily occur even when a heavy file is bound.

Drawings

Fig. 1 is an exploded view of the present invention.

Fig. 2 is a bottom structure view of the upper bound binding of the present invention.

Fig. 3 is a back use state diagram of the present invention.

Fig. 4 is a front use state diagram of the present invention.

Fig. 5 is a partial structure diagram of the concave-convex position and the arc convex portion of the present invention.

Reference numerals: 1, installing a binding sheet; 2, binding sheets; 3-a sliding member; 10-U-shaped slot; 11-fracture; 12-a guide chute; 13-corner groove; 14-a through hole; 15-left buckle part; 16-inserting a column; 17-arc stuck point; 20-a groove; 21-a guide slide; 22-a guide straight groove; 23-rivet holes; 24-a linear chute; 25-accommodating slots; 26-right buckle part; 27-a jack; 28-circular arc convex part; 30-long slide bar; 31-short slide bar; 32-U-shaped mouth; 33-a handle; 34, a limiting groove; 35-a first card slot; 36-a second card slot; 37-a guide post; a double-sided slope surface A; a double-sided slope surface B.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, but not all embodiments.

As shown in fig. 1 and 2, the utility model relates to a loose-leaf binder with firm binding structure, which mainly comprises: the upper binding sheet 1, the lower binding sheet 2 and the sliding member 3 are integrally molded from plastic, and have a ruler-like shape in the outer shape, and are implemented as follows.

The bottom surface of the upper binding piece 1 is provided with 4U-shaped slots 10 which are arranged at intervals, the center line of the bottom surface of each U-shaped slot is provided with a fracture 11 which extends from a notch to the bottom of the slot, meanwhile, the bottom surface of the upper binding piece is also provided with 3 guide chutes 12, the 3 guide chutes are distributed on two sides and the middle part of the upper binding piece 1, and one end of each guide chute is provided with a corner slot 13. Wherein, the guide chutes at both sides and the middle are also provided with through holes 14 beside.

The lower binding sheet 2 is a base of the loose-leaf binder, the surface of the lower binding sheet is provided with a groove 20 with the shape and the length matched with that of the upper binding sheet 1, the upper binding sheet can be embedded into the groove to slide, meanwhile, the surface of the groove is also provided with 4 guide sliding sheets 21, the 4 guide sliding sheets are arranged at the positions corresponding to 4U-shaped slots 10 of the upper binding sheet one by one, and the center lines of the bottom surfaces of the 4 guide sliding sheets are respectively provided with a support strip (not shown in the figure) extending along the length direction of the support strip, the support strip can be inserted into a fracture 11 of the U-shaped slot to form guide connection, so that the 4 guide sliding sheets are smoothly inserted into the 4U-shaped slots to slide in a guide way, and the upper binding sheet 1 and the lower binding sheet 2 can realize sliding opening and closing movement. In addition, support bar and 11 cooperations of fracture still have limiting displacement to it is more smooth in the same direction as when sliding fit is carried out with the direction gleitbretter to make U type slot, can not deviate, shift. The slide-in end surface of the groove 20 of the lower binding sheet is also provided with 3 straight guide grooves 22, the 3 straight guide grooves are arranged in one-to-one correspondence with the 4 inclined guide grooves 12 of the upper binding sheet, and a guide junction is arranged between the two. The groove of the lower binding piece is also provided with 3 rivet holes 23, and the positions of the 3 rivet holes respectively correspond to the 3 through holes 14 of the upper binding piece.

As shown in fig. 3, the back surface of the lower binding sheet 2 further has a linear sliding slot 24 extending along the length direction thereof, and the notch of the linear sliding slot has a shorter receiving slot 25 adjacent thereto.

As shown in fig. 1, 3 and 4, further, the upper binding sheet 1 and the lower binding sheet 2 are provided at both ends thereof with 4 binding buckles, each of which is constituted by a left buckle portion 15 and a right buckle portion 26 in a semi-arc shape. The bottom end of the left buckle part is integrally connected with the surface of the upper binding piece, the upper end of the left buckle part is provided with a first joint end, and the end surface of the first joint end is provided with an inserting column 16; the bottom end of the right buckle part is integrally connected with the surface of the lower binding piece, the upper end of the right buckle part is provided with a second joint end, the end surface of the second joint end is provided with a jack 27, the jack is correspondingly inserted and connected with the inserting column 16 of the first joint end, so that the binding buckle can be opened and closed, the realization modes of other binding buckle structures are analogized, and the following description is not repeated. When the upper binding sheet 1 and the lower binding sheet 2 are separated in a sliding manner, the left button parts and the right button parts of all the binding buckle rings are opened synchronously, at the moment, a document with corresponding binding holes can be put on all the left button parts, then, the upper binding sheet and the lower binding sheet are closed in a sliding manner, at the moment, the left button parts and the right button parts of all the binding buckle rings are closed synchronously, and the document binding is completed.

The sliding member 3 is composed of a long slide 30 and a short slide 31, one end of the long slide and one end of the short slide are integrally connected, a U-shaped opening 32 is formed between the long slide and the short slide, and a standing handle 33 is arranged at the joint of the long slide and the short slide, and the sliding member can be pushed and pulled through the handle. In addition, 3 guide posts 37 are arranged on the surface of the long slide bar of the sliding component, and the positions of the 3 guide posts correspond to the 3 guide straight grooves 22 and the 3 guide inclined grooves 12 respectively. When the sliding component is installed, the long sliding strip slides in the linear sliding groove 24 of the lower binding piece, the short sliding strip slides in the accommodating slot 25 of the lower binding piece, and then a rivet is added into the rivet hole of the lower binding piece, wherein the rivet close to the notch of the linear sliding groove is positioned at the U-shaped opening 32 between the long sliding strip and the short sliding strip and limits the U-shaped opening. Meanwhile, 3 guide posts 37 respectively penetrate through the 3 guide straight grooves 22 and are placed in the 3 guide inclined grooves 12, and guide sliding is performed. When the sliding member is pulled out by the handle 33, the 3 guide posts slide to the travel point C (see fig. 3) of the 3 guide chutes, thereby forming linkage to drive the upper binding sheet and the lower binding sheet to slide and separate. On the contrary, when the sliding part is pushed in by the handle, the 3 guide posts slide into the corner grooves 13 of the 3 guide chutes to form linkage again to drive the upper binding piece and the lower binding piece to slide and close, at this time, the guide posts 37 and the corner grooves 13 form mutual restraint, the closed binding buckle ring cannot be opened directly through the upper binding piece and the lower binding piece, and only the sliding part can be pulled out and opened.

As shown in fig. 1 and 5, a limit groove 34 is further provided at an edge portion of the long slide 30 facing the upper binding sheet 1, the limit groove being made of plastic based on the sliding member, and having a base edge with a certain flexibility and being capable of generating a small resilient deformation. The rear end of the limiting groove is provided with a first clamping groove 35, a bulge is arranged between the first clamping groove and the limiting groove, and the bulge is a double-sided slope A. Meanwhile, the arc clamping point 17 is arranged on the groove wall of the straight-line sliding groove 24 corresponding to the limiting groove 34, is arranged in the limiting groove and can be clamped into the first clamping groove along the double-sided slope A or separated from the first clamping groove along the double-sided slope A. In addition, two arc convex parts 28 are arranged on the groove wall of the straight-line chute 24 facing the arc clamping point, and are in contact support with the corresponding side surface of the sliding component 3, so that a distance is generated between the bottom edge of the limiting groove and the groove wall of the straight-line chute surface, a resilience deformation space is provided for the bottom edge of the limiting groove, the friction force between the sliding component and the straight-line chute can be reduced, and the sliding component can be pushed and pulled more easily and smoothly.

In another embodiment, the distance between the bottom side of the limiting groove 34 and the linear sliding groove may be a concave surface facing the linear sliding groove on the bottom side of the limiting groove, and the length of the concave surface is equal to that of the limiting groove, so that a distance is formed between the bottom side of the limiting groove and the linear sliding groove, and a resilient deformation space is provided for the bottom side of the limiting groove.

Furthermore, a second clamping groove 36 is further arranged at the front end of the limiting groove 34, a protrusion is arranged between the second clamping groove and the limiting groove, the protrusion is a double-sided slope B, and when the arc clamping point moves in the limiting groove line, the arc clamping point can be clamped into the second clamping groove along the double-sided slope B and can also be separated from the second clamping groove along the double-sided slope B.

In actual operation, firstly, slide block 3 is pushed into straight sliding groove 24, and circular arc stuck point 17 and limiting groove of straight sliding groove carry out relative motion, make circular arc stuck point block in first draw-in groove 35 along two-sided slope A, thereby lock slide block, make it unable to move, this state is binding buckle locking state, even touch slide block's stalk portion carelessly, slide block also can not move easily, make and bind the piece, bind piece and slide block and produce the linkage down, lead to the binding structure of loose leaf binder to appear, thereby make the binding structure of loose leaf binder more firm. When the sliding member is pulled out, the arc-shaped locking point 17 of the linear sliding groove 24 and the limiting groove move relatively, so that the arc-shaped locking point is locked in the second locking groove 36 along the double-sided slope B, and the sliding member is locked again, wherein the state is the open state of the binding buckle. Through circular arc stuck point and second draw-in groove fit in, at the binding in-process, the piece of binding and binding down can not slide at will, and the binding operation is more stable.

Based on the embodiments of the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

Claims (3)

1. A binder having a binding structure, comprising: the binding device is characterized in that a limiting groove (34) is arranged at one side edge part of the sliding part, the bottom edge of the limiting groove has toughness, a distance is formed between groove walls corresponding to the linear sliding groove, a first clamping groove (35) is arranged at the rear end of the limiting groove, a double-face slope A is arranged between the first clamping groove and the limiting groove, a side wall in the linear sliding groove is arranged at one side of the limiting groove, a first clamping groove (17) is arranged in the arc-shaped clamping groove, and the first clamping groove is clamped into a first arc-shaped clamping point (17) along the arc-shaped inner wall of the limiting groove.

2. The binder of claim 1, wherein a second engaging groove (36) is formed at the front end of the retaining groove, a double-sided slope (B) is formed between the second engaging groove and the retaining groove, and the circular arc engaging point is engaged in the second engaging groove along the double-sided slope (B) when moving in the retaining groove row.

3. The binder of claim 1, wherein the other side wall of the linear slot further has at least two rounded projections (28) supported in contact with respective sides of the sliding member.

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