CN220220203U - Loose-leaf binder with two hands - Google Patents

Abstract

The utility model discloses a two-hand sincere loose-leaf binder which comprises a main body, a first clamping piece and a second clamping piece, wherein the first clamping piece and the second clamping piece are respectively arranged at two ends of the main body, a sliding structure is arranged between the first clamping piece and the second clamping piece and enables the first clamping piece and the second clamping piece and the main body to independently slide transversely relative to the main body, a first drawing piece and a second drawing piece are further arranged at two ends of the main body and can independently slide vertically relative to the main body, the first drawing piece and the second drawing piece can respectively drive the first clamping piece and the second clamping piece to slide transversely through vertical sliding, fixed half-buckles are arranged at two ends of the main body, a first half-buckle which can be buckled with the half-buckle at one end of the main body is arranged on the first clamping piece, and a second half-buckle which can be buckled with the half-buckle at the other end of the main body is arranged on the second clamping piece. The utility model provides a two-hand-holding binder which can solve the problems that a binder is carelessly dropped on one side, a drawing plate moves to open the binder and paper is scattered, and the use experience of staff is improved.

Description

Loose-leaf binder with two hands

Technical Field

The utility model relates to the technical field of loose-leaf binders, in particular to a two-hand-holding loose-leaf binder.

Background

The loose-leaf notebook is a common stationery, can freely take down and add pages in the notebook, and has the characteristics of convenience in arrangement and flexibility in use. At present, a loose-leaf notebook consists of a cover, a loose-leaf binder and paper, wherein the cover comprises a first cover, a middle connecting surface and a second cover, the middle connecting surface connects the first cover with the second cover, the loose-leaf binder is arranged on the middle connecting surface, the loose-leaf binder is provided with a plurality of buckles capable of being buckled, and the buckles are sequentially arranged along the length direction of the loose-leaf binder.

Through searching, the design of the loose-leaf binder on the market is typically as in the utility model document with the patent number of CN202223241272.X (grant publication number of CN 218966536U), the loose-leaf binder comprises a drawing plate, a first loose-leaf part and a second loose-leaf part, and the second loose-leaf part is driven to transversely move relative to the first loose-leaf part through the vertical movement of the drawing plate relative to the first loose-leaf part, so that the loose-leaf binder can be switched between a buckling state and an opening state, and the operation of the loose-leaf binder is simpler and more convenient.

In the practical use of the binder, because the binder is controlled to open and close only through the drawing plate positioned at one side, if one side of the binder is carelessly dropped, the drawing plate of the binder is slipped out to open the binder, so that the binder is opened, the scattered paper in the binder has the risk of scattering, the scattered paper is lighter in weight and is easy to blow away by wind, the scattered paper is not easy to collect completely, the collected paper pages are disordered in sequence, the page number of the rearranged paper is wasted, the use experience of workers is influenced, and further improvement is necessary.

Disclosure of Invention

The utility model provides a two-hand-holding binder, which aims at the problem that paper in the binder is easy to scatter due to the fact that the binder is controlled to open and close by a drawing plate on one side only and the drawing plate on one side is carelessly dropped in the prior art.

The utility model adopts the technical scheme that: the sincere loose-leaf binder of both hands, its characterized in that: including main part, first folder and second folder set up respectively the both ends of main part, first folder and second folder with sliding structure has between the main part, makes the two can independently be relative the main part carries out lateral sliding to control the opening and shutting of loose-leaf binder, correspondingly, the both ends of main part still are equipped with first pull spare and second pull spare, first pull spare and second pull spare can independently be relative the main part carries out vertical slip, the vertical slip of first pull spare can drive first folder lateral sliding, the vertical slip of second pull spare can drive second folder lateral sliding, and the both ends of main part are equipped with fixed half buckle, be equipped with on the first folder can with the first half buckle of the half buckle of main part one end looks lock, be equipped with on the second folder can with the second half buckle of the half buckle of main part other end looks lock.

Preferably, the sliding structure comprises a first strip-shaped groove and a second strip-shaped groove which are arranged at two ends of the main body, a first sliding block arranged at two ends of the first clamping piece and a second sliding block arranged at two ends of the second clamping piece, wherein the first clamping piece can transversely slide in the first strip-shaped groove, the second clamping piece can transversely slide in the second strip-shaped groove, correspondingly, two ends of the first strip-shaped groove are provided with first transverse sliding grooves, two ends of the second strip-shaped groove are provided with second transverse sliding grooves, the first sliding block can slide in the first transverse sliding grooves, and the second sliding block can slide in the second transverse sliding grooves. The first clamping piece and the main body and the second clamping piece and the main body can realize sliding opening and closing movement through the matching of the first strip-shaped groove and the first clamping piece and the matching of the second strip-shaped groove and the second clamping piece.

Preferably, a first guiding sliding sheet is arranged in the first strip-shaped groove, a first supporting bar extending along the length direction of the first guiding sliding sheet is arranged on the central line of the bottom surface of the first guiding sliding sheet, a second guiding sliding sheet is arranged in the second strip-shaped groove, a second supporting bar extending along the length direction of the second guiding sliding sheet is arranged on the central line of the bottom surface of the second guiding sliding sheet, correspondingly, first slots matched with the first guiding sliding sheets in number and position are arranged on the first clamping piece, a first opening is formed in one end of each first slot, the first guiding sliding sheet can be inserted into the first slot to slide from the first opening, a first limiting opening extending along the length direction of the first slot is formed in the bottom surface of each first slot, and the first supporting bar can be inserted into the first limiting opening; the second clamping piece is provided with second slots matched with the second guiding sliding pieces in number and position, one ends of the second slots are provided with second openings, the second guiding sliding pieces can be inserted into the second slots to slide from the second openings, the bottom surfaces of the second slots are provided with second limiting openings extending along the length directions of the second limiting openings, and the second supporting strips can be inserted into the second limiting openings. The guiding sliding sheet can be inserted into the slot to conduct guiding sliding, so that the first clamping piece, the main body, the second clamping piece and the main body can respectively conduct sliding opening and closing movement, and the supporting bar and the limiting opening are mutually matched to have a limiting effect, so that the slot and the guiding sliding sheet are smooth when in sliding fit.

Preferably, the first clamping piece is provided with an upper chute, the second clamping piece is provided with a lower chute, a first guiding straight groove intersecting with the upper chute is formed in the first strip-shaped groove, a second guiding straight groove intersecting with the lower chute is formed in the second strip-shaped groove, guiding columns are respectively arranged on the first drawing piece and the second drawing piece, the guiding columns on the first drawing piece penetrate through the first guiding straight groove and then are placed in the upper chute, and the guiding columns on the second drawing piece penetrate through the second guiding straight groove and then are placed in the lower chute. The loose-leaf binder is opened or buckled through the sliding of the guide column in the first guide straight groove and the upper chute and the sliding of the guide column in the second guide straight groove and the lower chute.

Preferably, the guide post is provided with a buckling edge buckled with the first guide straight groove and the second guide straight groove, and the diameter of the buckling edge is larger than the widths of the first guide straight groove and the second guide straight groove.

Preferably, the lower end of the upper chute is provided with an upper longitudinal clamping groove, and the upper end of the upper longitudinal clamping groove is communicated with the lower end of the upper chute; the upper end of the lower chute is provided with a lower longitudinal clamping groove, the lower end of the lower longitudinal clamping groove is communicated with the upper end of the lower chute, the guide post of the first drawing piece is positioned in the upper longitudinal clamping groove, and the guide post of the second drawing piece is positioned in the lower longitudinal clamping groove under the state of the buckling of the loose-leaf binder. When the user buckles the loose-leaf binder, mutual constraint can be formed between the guide post and the upper longitudinal clamping groove and between the guide post and the lower longitudinal clamping groove, the closed half-buckling ring can not be directly opened, and the half-buckling ring can only be pulled out and opened through the first pulling piece and the second pulling piece.

Preferably, the first drawing member includes long draw bar and short draw bar, the one end of long draw bar and short draw bar is connected as an organic wholely to form the U type mouth between the two, the back of main part still be equipped with along its length direction extension set up the straight line spout and with straight line spout is adjacent and shorter accommodation slot, long draw bar is in slide in the straight line spout, short draw bar is in slide in the accommodation slot.

Preferably, the limit portion of short draw-bar is equipped with spacing recess, the upper end of spacing recess is equipped with first draw-in groove, be equipped with the slope arch between spacing recess and the first draw-in groove, correspondingly set up the circular arc stuck point on the cell wall that holding slot corresponds with first draw-in groove, under the state of loose-leaf binder lock, the circular arc stuck point is arranged in the first draw-in groove, be equipped with the adjustment tank on the short draw-bar, the position that the adjustment tank set up with spacing recess and first draw-in groove correspond, the circular arc stuck point can be followed the protruding card of slope and gone into spacing recess in, also can be followed the protruding spacing recess that breaks away from of slope. The arc clamping points are clamped into the first clamping grooves along the slope protrusions, so that the first drawing piece is locked and cannot move easily, and the state is a loose-leaf binder buckling state.

Preferably, the lower extreme of spacing recess is equipped with the second draw-in groove, the position that the adjustment tank was established with spacing recess, first draw-in groove and second draw-in groove correspond, be equipped with the circular arc arch between second draw-in groove and the spacing recess, the circular arc stuck point is in when spacing recess internalization, can follow the circular arc arch card is gone into the second draw-in groove, also can follow the circular arc arch breaks away from the second draw-in groove. The arc clamping points are clamped into the second clamping grooves along the arc protrusions, so that the first drawing piece is locked again, the first clamping piece and the main body cannot slide randomly in the binding process of the binder, the binding operation is more stable, and the state is the binder opening state.

Preferably, a handle is arranged at the joint of the long sliding strip and the short sliding strip, and the handle can drive the first drawing piece to vertically slide.

Preferably, the width of the handle is smaller than the width of the body. The width of the handle is smaller than that of the main body, so that the user is not easy to block when turning pages.

Preferably, the structure of the second drawing member is the same as that of the first drawing member, and the second drawing member is symmetrically distributed, and the linear sliding grooves and the accommodating slots on the main body are also symmetrically distributed. The second drawing piece can independently control the second clamping piece to transversely slide, so that the working stability of the loose-leaf binder is improved.

Compared with the prior art, the utility model has the advantages that: the loose-leaf binder is opened or buckled by two hands, and the two ends of the loose-leaf binder main body are respectively controlled by the first drawing piece and the second drawing piece to transversely slide, so that the problem that one side of the loose-leaf binder drops carelessly, the drawing plate slides to open the loose-leaf binder, paper in the loose-leaf binder is scattered, the loose-leaf binder is more stable in use, and the use experience of staff is improved; in addition, except that the length of loose-leaf binder main part carries out corresponding adjustment when producing according to loose-leaf binder specification, other accessories such as first folder, second folder, first pull spare and second pull spare can standardized production, can effectively reduce material preparation cost and required storage space, is favorable to reducing manufacturing cost.

Drawings

FIG. 1 is a schematic view of a structure of an embodiment of the present utility model in a locked state;

FIG. 2 is a schematic view of an embodiment of the present utility model in an open state;

FIG. 3 is a schematic structural diagram of a main body according to an embodiment of the present utility model;

FIG. 4 is a schematic view of a structure of one end of a main body according to an embodiment of the present utility model;

FIG. 5 is a schematic view of an embodiment of the present utility model, wherein one end of the main body is at another view angle;

FIG. 6 is a schematic structural view of a first clip member and a second clip member according to an embodiment of the present utility model;

FIG. 7 is a schematic view of the first clip member and the second clip member from another perspective according to an embodiment of the present utility model;

FIG. 8 is a schematic structural view of a first drawing member and a second drawing member according to an embodiment of the present utility model;

FIG. 9 is a rear view of an embodiment of the present utility model in a buckled state;

icon: 1-a main body; 11-a first bar-shaped groove; 111-a first transverse runner; 112-a first guiding slide; 113-a first support bar; 12-a second bar-type groove; 121-a second transverse runner; 122-a second guiding slide; 123-a second support bar; 13-a first guide straight groove; 14-a second guide straight groove; 15-a linear chute; 16-a receiving slot; 161-arc stuck point; 2-a first clip member; 21-a first slider; 22-a first slot; 221-a first limit port; 23-upper chute; 24-upper longitudinal clamping groove; 3-a second clip member; 31-a second slider; 32-a second slot; 321-a second limiting port; 33-a lower chute; 34-lower longitudinal clamping groove; 4-a first drawing plate; 41-long slide bar; 42-short slide bar; 421-adjusting slot; 43-U-shaped mouth; 44-limit grooves; 45-a first clamping groove; 46-a ramp protrusion; 47-a second card slot; 48-arc protrusions; 49-handle; 5-a second pull plate; 6-semi-buckling ring; 7-a guide post; 71-button edge.

Detailed Description

The utility model is described in further detail below with reference to the embodiments of the drawings.

As shown in fig. 1-9, the two-hand binder according to the embodiment of the utility model comprises a main body 1, a first clamping piece 2 and a second clamping piece 3, wherein the first clamping piece 2 and the second clamping piece 3 are respectively arranged at two ends of the main body 1, a sliding structure is arranged between the first clamping piece 2 and the second clamping piece 3 and the main body 1, so that the first clamping piece 2 and the second clamping piece 3 can independently slide transversely relative to the main body 1, the opening and closing of the binder are controlled, correspondingly, two ends of the main body 1 are also provided with a first drawing piece 4 and a second drawing piece 5, the first drawing piece 4 and the second drawing piece 5 can independently slide vertically relative to the main body 1, the first clamping piece 2 is driven by the vertical sliding of the first drawing piece 4, the second clamping piece 3 is driven by the vertical sliding of the second drawing piece 5, two ends of the main body 1 are provided with fixed half-retaining rings 6, the first half-retaining rings capable of being buckled with the half-retaining rings 6 at one end of the main body 1, and the second half-retaining rings capable of being buckled with the half-retaining rings 6 at the other end of the main body 1 are arranged on the second clamping piece 3.

As shown in fig. 2 to 7, the sliding structure includes a first bar-shaped groove 11 and a second bar-shaped groove 12 disposed at two ends of the main body 1, a first sliding block 21 disposed at two ends of the first clamping member 2, and a second sliding block 31 disposed at two ends of the second clamping member 3, wherein the first clamping member 2 can slide laterally in the first bar-shaped groove 11, the second clamping member 3 can slide laterally in the second bar-shaped groove 12, correspondingly, two ends of the first bar-shaped groove 11 are provided with a first lateral sliding groove 111, two ends of the second bar-shaped groove 12 are provided with a second lateral sliding groove 121, the first sliding block 21 can slide in the first lateral sliding groove 111, the second sliding block 31 can slide in the second lateral sliding groove 121, and the first clamping member 2 and the main body 1 and the second clamping member 3 can slide and move in a sliding manner through cooperation of the first bar-shaped groove 11 and the first clamping member 2, cooperation of the second bar-shaped groove 12 and the second clamping member 3 and the main body 1; the first guiding sliding vane 112 is arranged in the first strip-shaped groove 11, a first supporting bar 113 extending along the length direction of the first guiding sliding vane 112 is arranged on the central line of the bottom surface of the first guiding sliding vane 112, a second guiding sliding vane 122 is arranged in the second strip-shaped groove 12, a second supporting bar 123 extending along the length direction of the second guiding sliding vane 122 is arranged on the central line of the bottom surface of the second guiding sliding vane 122, correspondingly, first slots 22 matched with the first guiding sliding vane 112 in number and position are arranged on the first clamping piece 2, a first opening is arranged at one end of each first slot 22, the first guiding sliding vane 112 can be inserted into the first slot 22 for sliding from the first opening, a first limiting opening 221 extending along the length direction of the first slot 22 is arranged on the bottom surface of each first supporting bar 113 can be inserted into the first limiting opening 221; be equipped with on the second folder 3 with second direction gleitbretter 122 quantity and position assorted second slot 32, the one end of second slot 32 is equipped with the second opening, and second direction gleitbretter 122 can insert second slot 32 from the second opening and slide to the bottom surface of second slot 32 is equipped with the second spacing mouth 321 that extends along its length direction, and second support bar 123 can insert second spacing mouth 321 to play spacing effect, make slot and direction gleitbretter more smooth and easy when carrying out sliding fit.

As shown in fig. 3, 7 and 8, the first clamping member 2 is provided with an upper chute 23, the second clamping member 3 is provided with a lower chute 33, the first strip-shaped groove 11 is provided with a first guide straight groove 13 intersected with the upper chute 23, the second strip-shaped groove 12 is provided with a second guide straight groove 14 intersected with the lower chute 33, the first drawing member 4 and the second drawing member 5 are respectively provided with a guide column 7, the guide columns 7 on the first drawing member 4 pass through the first guide straight groove 13 and then are placed into the upper chute 23, the guide columns 7 on the second drawing member 5 pass through the second guide straight groove 14 and then are placed into the lower chute 33, and the opening or buckling of the loose-leaf binder is realized through the sliding of the guide columns 7 in the first guide straight groove 13 and the upper chute 23 and the sliding of the guide columns 7 in the second guide straight groove 14 and the lower chute 33; wherein, the guide post 7 is provided with a buckling edge 71 which is buckled with the first guide straight groove 13 and the second guide straight groove 14, and the diameter of the buckling edge 71 is larger than the width of the first guide straight groove 13 and the second guide straight groove 14; in addition, the lower end of the upper chute 23 is provided with an upper longitudinal clamping groove 24, the upper end of the upper longitudinal clamping groove 24 is communicated with the lower end of the upper chute 23, the upper end of the lower chute 33 is provided with a lower longitudinal clamping groove 34, the lower end of the lower longitudinal clamping groove 34 is communicated with the upper end of the lower chute 33, the guide post 7 of the first drawer 4 is positioned in the upper longitudinal clamping groove 24 in the state of the loose-leaf binder buckling, the guide post 7 of the second drawer 5 is positioned in the lower longitudinal clamping groove 34, mutual constraint is formed between the guide post 7 and the upper longitudinal clamping groove 24 and the lower longitudinal clamping groove 34, the buckled half buckle 6 cannot be directly opened, and the half buckle 6 can only be pulled out and opened through the first drawer 4 and the second drawer 5.

As shown in fig. 8 and 9, the structure of the first drawing member 4 is the same as that of the second drawing member 5, and the first drawing member 4 is symmetrically distributed, therefore, in this embodiment, the first drawing member 4 is unfolded and described, the first drawing member 4 includes a long sliding bar 41 and a short sliding bar 42, one ends of the long sliding bar 41 and the short sliding bar 42 are integrally connected, and a U-shaped opening 43 is formed between the two, a linear sliding groove 15 extending along the length direction of the main body 1 and a receiving slot 16 adjacent to the linear sliding groove 15 are further provided on the back surface of the main body 1, the long sliding bar 41 slides in the linear sliding groove 15, the short sliding bar 42 slides in the receiving slot 16, and the linear sliding groove 15 and the receiving slot 16 are symmetrically distributed on the main body 1 for sliding of the second drawing member 5; the edge of the short slide bar 42 is provided with a limit groove 44, the upper end of the limit groove 44 is provided with a first clamping groove 45, a slope protrusion 46 is arranged between the limit groove 44 and the first clamping groove 45, correspondingly, an arc clamping point 161 is arranged on a groove wall of the accommodating slot 16 corresponding to the first clamping groove 45, the arc clamping point 161 is arranged in the first clamping groove 45 under the state that the loose-leaf binder is buckled, the arc clamping point 161 can be clamped into the limit groove 44 along the slope protrusion 46 and can be separated from the limit groove 44 along the slope protrusion 46, and the arc clamping point 161 is clamped into the first clamping groove 45 along the slope protrusion 46, so that the first drawing piece 4 is locked and cannot move easily, and the state is a loose-leaf binder buckling state; the lower end of the limiting groove 44 is provided with a second clamping groove 47, the short slide bar 42 is provided with an adjusting groove 421, the position of the adjusting groove 421 corresponds to the limiting groove 44, the first clamping groove 45 and the second clamping groove 47, an arc protrusion 48 is arranged between the second clamping groove 47 and the limiting groove 44, when the arc clamping point 161 moves in the limiting groove 44, the arc protrusion 48 can be clamped into the second clamping groove 47 and can be separated from the second clamping groove 47 along the arc protrusion 48, the arc clamping point 161 is clamped into the second clamping groove 47 along the arc protrusion 48, so that the first drawing piece 4 is locked again, the first clamping piece 2 and the main body 1 cannot slide randomly in the binding process of the binder, and the binding operation is more stable, and is in a binder opening state; in addition, the junction of long draw bar 41 and short draw bar 42 is equipped with a handle 49, and handle 49 can drive first pull piece 4 and carry out vertical slip, and the width of handle 49 is less than the width of main part 1, and the user is difficult for blocking when turning over the page.

To sum up, the specific working process of the embodiment of the two-handed binder provided by the utility model comprises the following steps:

A. when the loose-leaf binder is in a buckled state, the guide post 7 of the first drawing piece 4 is positioned in the upper longitudinal clamping groove 24, the guide post 7 of the second drawing piece 5 is positioned in the lower longitudinal clamping groove 34, the arc clamping point 161 is positioned in the first clamping groove 45 of the first drawing piece 4, and the second drawing piece 5 is symmetrical to the first drawing piece 4;

B. when the loose-leaf binder needs to be opened, a user holds the handle 49 of the first drawing member 4 and the handle of the second drawing member 5 with both hands, the first drawing member 4 and the second drawing member 5 are pulled outwards, the long sliding bar 41 and the short sliding bar 42 of the first drawing member 4 slide along the linear sliding groove 15 and the accommodating slot 16 respectively, the circular arc clamping point 161 is clamped into the limit groove 44 along the slope bulge 46 and slides continuously, the circular arc clamping point 161 is clamped into the second clamping groove 47 along the circular arc bulge 48, the second drawing member 5 slides in the same way, so that the guide post 7 of the first drawing member 4 slides in the first guide straight groove 13 and the upper chute 23, and the guide post 7 of the second drawing member 5 slides in the second guide straight groove 14 and the lower chute 33, and the second clamping member 2 provided with the upper chute 23 and the third clamping member 3 provided with the lower chute are only vertically sliding because the guide post 7 of the first drawing member 4 and the second drawing member 5 are respectively restrained by the first guide straight groove 13 and the second guide straight groove 14, and the third clamping member 3 is only in a transversely opened state;

C. when the loose-leaf binder needs to be buckled, a user holds the handles 49 of the first drawing member 4 and the handles of the second drawing member 5 with both hands, the first drawing member 4 and the second drawing member 5 are pushed inwards, the long sliding bar 41 and the short sliding bar 42 of the first drawing member 4 slide along the linear sliding groove 15 and the accommodating slot 16 respectively, the circular arc clamping point 161 is clamped into the limiting groove 44 along the circular arc protrusion 48 and slides continuously, the circular arc clamping point 161 is clamped into the first clamping groove 45 along the slope protrusion 46, the second drawing member 5 slides in the same manner, so that the guide post 7 of the first drawing member 4 slides in the first guide straight groove 13 and the upper chute 23, the guide post 7 of the second drawing member 5 slides in the second guide straight groove 14 and the lower chute 33, and the guide post 7 of the first drawing member 4 and the second drawing member 5 are respectively restrained by the first guide straight groove 13 and the second guide straight groove 14 and can slide vertically only, and therefore the second clamping member 2 provided with the upper chute 23 and the third clamping member 3 provided with the lower clamping member 3 can slide in the longitudinal direction of the first drawing member 4 and the lower chute 4, and the second clamping member 4 is buckled in the longitudinal direction 4 and the guide post 7 is arranged in the first guide chute 4 and the lower chute 4.

Claims (12)

1. A kind of both hands are sinked the loose-leaf binder, characterized by: including main part (1), first folder (2) and second folder (3) set up respectively the both ends of main part (1), first folder (2) and second folder (3) with have sliding structure between main part (1), make the two can independently be relative main part (1) carries out the lateral sliding to control the opening and shutting of loose-leaf binder, correspondingly, the both ends of main part (1) still are equipped with first pull spare (4) and second pull spare (5), first pull spare (4) and second pull spare (5) can independently be relative main part (1) carries out the vertical sliding, the vertical sliding of first pull spare (4) can drive first folder (2) lateral sliding, the vertical sliding of second pull spare (5) can drive second folder (3) lateral sliding, and the both ends of main part (1) are equipped with fixed half buckle (6), the first folder (2) can be equipped with half buckle (6) on the buckle of half buckle with half buckle (1) of second buckle.

2. The two-handed binder of claim 1, wherein: the sliding structure comprises a first strip-shaped groove (11) and a second strip-shaped groove (12) which are arranged at two ends of the main body (1), a first sliding block (21) arranged at two ends of the first clamping piece (2) and a second sliding block (31) arranged at two ends of the second clamping piece (3), wherein the first clamping piece (2) can transversely slide in the first strip-shaped groove (11), the second clamping piece (3) can transversely slide in the second strip-shaped groove (12), correspondingly, two ends of the first strip-shaped groove (11) are provided with a first transverse sliding groove (111), two ends of the second strip-shaped groove (12) are provided with a second transverse sliding groove (121), the first sliding block (21) can slide in the first transverse sliding groove (111), and the second sliding block (31) can slide in the second transverse sliding groove (121).

3. The two-handed binder of claim 2, wherein: a first guiding sliding sheet (112) is arranged in the first strip-shaped groove (11), a first supporting bar (113) extending along the length direction of the first guiding sliding sheet is arranged on the bottom surface central line of the first guiding sliding sheet (112), a second guiding sliding sheet (122) is arranged in the second strip-shaped groove (12), a second supporting bar (123) extending along the length direction of the second guiding sliding sheet is arranged on the bottom surface central line of the second guiding sliding sheet (122), correspondingly, first slots (22) which are matched with the first guiding sliding sheets (112) in number and position are arranged on the first clamping piece (2), a first opening is formed in one end of each first slot (22), the first guiding sliding sheet (112) can be inserted into each first slot (22) from the first opening to slide, a first limiting opening (221) extending along the length direction of the first slot (22) is formed in the bottom surface of each first slot (22), and the first supporting bar (113) can be inserted into each first limiting opening (221); be equipped with on the second folder (3) with second direction gleitbretter (122) quantity and position assorted second slot (32), the one end of second slot (32) is equipped with the second opening, second direction gleitbretter (122) can insert from the second opening second slot (32) slides, and the bottom surface of second slot (32) is equipped with along its length direction's second spacing mouth (321), second support bar (123) can insert second spacing mouth (321).

4. A two-handed binder as claimed in claim 3, wherein: the first clamping piece (2) is provided with an upper chute (23), the second clamping piece (3) is provided with a lower chute (33), a first guiding straight groove (13) which is intersected with the upper chute (23) is arranged on the first strip-shaped groove (11), a second guiding straight groove (14) which is intersected with the lower chute (33) is arranged on the second strip-shaped groove (12), guiding columns (7) are respectively arranged on the first drawing piece (4) and the second drawing piece (5), the guiding columns (7) on the first drawing piece (4) penetrate through the first guiding straight groove (13) and then are placed into the upper chute (23), and the guiding columns (7) on the second drawing piece (5) penetrate through the second guiding straight groove (14) and then are placed into the lower chute (33).

5. The two-handed binder of claim 4, wherein: the guide post (7) is provided with a buckling edge (71) buckled with the first guide straight groove (13) and the second guide straight groove (14), and the diameter of the buckling edge (71) is larger than the width of the first guide straight groove (13) and the second guide straight groove (14).

6. The two-handed binder of claim 5, wherein: the lower end of the upper chute (23) is provided with an upper longitudinal clamping groove (24), and the upper end of the upper longitudinal clamping groove (24) is communicated with the lower end of the upper chute (23); the upper end of the lower chute (33) is provided with a lower longitudinal clamping groove (34), the lower end of the lower longitudinal clamping groove (34) is communicated with the upper end of the lower chute (33), the guide column (7) of the first drawing piece (4) is positioned in the upper longitudinal clamping groove (24) under the state of the buckling of the loose-leaf binder, and the guide column (7) of the second drawing piece (5) is positioned in the lower longitudinal clamping groove (34).

7. The two-handed binder of claim 6, wherein: the first drawing piece (4) comprises a long slide bar (41) and a short slide bar (42), one ends of the long slide bar (41) and the short slide bar (42) are integrally connected, a U-shaped opening (43) is formed between the long slide bar and the short slide bar, a linear sliding groove (15) extending along the length direction of the main body (1) and a containing slot (16) which is adjacent to the linear sliding groove (15) and is shorter than the linear sliding groove (15) are further arranged on the back of the main body, the long slide bar (41) slides in the linear sliding groove (15), and the short slide bar (42) slides in the containing slot (16).

8. The two-handed binder of claim 7, wherein: the limit groove (44) is arranged at the edge of the short slide bar (42), the first clamping groove (45) is arranged at the upper end of the limit groove (44), a slope protrusion (46) is arranged between the limit groove (44) and the first clamping groove (45), correspondingly, an arc clamping point (161) is arranged on the groove wall corresponding to the accommodating groove (16) and the first clamping groove (45), the arc clamping point (161) is arranged in the first clamping groove (45) in the state of the loose-leaf binder in a buckled manner, an adjusting groove (421) is arranged on the short slide bar (42), the position of the adjusting groove (421) corresponds to the limit groove (44) and the first clamping groove (45), and the arc clamping point (161) can be clamped into the limit groove (44) along the slope protrusion (46) and can be separated from the limit groove (44) along the slope protrusion (46).

9. The two-handed binder of claim 8, wherein: the lower extreme of spacing recess (44) is equipped with second draw-in groove (47), the position that adjustment tank (421) set up with spacing recess (44), first draw-in groove (45) and second draw-in groove (47) correspond, be equipped with circular arc arch (48) between second draw-in groove (47) and spacing recess (44), circular arc clamping point (161) are in when spacing recess (44) internal movement, can follow circular arc arch (48) card is gone into second draw-in groove (47), also can follow circular arc arch (48) break away from second draw-in groove (47).

10. The two-handed binder of claim 9, wherein: the connecting part of the long sliding strip (41) and the short sliding strip (42) is provided with a handle (49), and the handle (49) can drive the first drawing piece (4) to vertically slide.

11. The two-handed binder of claim 10, wherein: the width of the handle (49) is smaller than the width of the main body (1).

12. A two-handed binder according to any one of claims 7 to 11, wherein: the structure of the second drawing piece (5) is the same as that of the first drawing piece (4), the second drawing piece and the first drawing piece are symmetrically distributed, and the linear sliding grooves (15) and the accommodating slots (16) on the main body (1) are also symmetrically distributed.