CN214449759U

CN214449759U - Partition type lock catch loose-leaf binder

Info

Publication number: CN214449759U
Application number: CN202120315145.6U
Authority: CN
Inventors: 姚少平
Original assignee: SHANTOU JINHUI INDUSTRIAL CO LTD
Current assignee: SHANTOU JINHUI INDUSTRIAL CO LTD
Priority date: 2021-02-04
Filing date: 2021-02-04
Publication date: 2021-10-22
Anticipated expiration: 2031-02-04

Abstract

The utility model discloses a partition formula hasp loose-leaf binder, including front cover and loose-leaf mechanism, the front cover includes first front cover, intermediate junction face and second front cover, its characterized in that: the loose-leaf mechanism is installed on the inboard border of second front cover, and the upper segment of loose-leaf mechanism is equipped with at least one last buckle that can the lock, and the hypomere of loose-leaf mechanism is equipped with at least one lower buckle that can the lock, and the middle section of loose-leaf mechanism is level and smooth, the inboard border upper segment of first front cover is equipped with at least one upper stripe hole that corresponds with last buckle, and the inboard border hypomere of first front cover is equipped with at least one lower bar hole that corresponds with lower buckle, and first front cover lid closes under the state of second front cover, and the top of going up the buckle is in upper stripe hole and cooperates with upper stripe hole buckle, and the top of lower buckle is in lower bar hole and cooperates with lower bar hole buckle. The partition type lock catch loose-leaf binder is simple in structure, can keep the front cover flat and not upwarp, and can not damage hands when a page is turned and the back surface is written.

Description

Partition type lock catch loose-leaf binder

Technical Field

The utility model relates to a stationery technical field especially relates to a partition type hasp loose-leaf binder.

Background

The loose-leaf binder can be used for randomly disassembling, replacing and combining paper with holes at the edges, and has the characteristics of convenience in arrangement and flexibility in use. The current loose-leaf binder comprises a cover and a loose-leaf mechanism, wherein the cover comprises a first cover, a middle connecting surface and a second cover, the inner side edge of the first cover is connected with one side edge of the middle connecting surface, the inner side edge of the second cover is connected with the other side edge of the middle connecting surface, the loose-leaf mechanism is arranged on the middle connecting surface, a plurality of buckles capable of being buckled are arranged on the loose-leaf mechanism, and all the buckles are sequentially arranged along the length direction of the loose-leaf mechanism. Because the loose-leaf mechanism is provided with a plurality of buckles capable of being buckled, in the process of storing the loose-leaf binder at ordinary times, each buckle is resisted between the first cover and the second cover, so that the first cover cannot be covered on the second cover, and the phenomenon that the first cover bends and sticks up is caused. In addition, a plurality of buckles are uniformly distributed on the whole hinge mechanism, when a user turns the page and writes on the back side, the wrist of the user always presses against each buckle in the middle of the hinge mechanism, the skin on the wrist is pressed against by the buckles to leave deep ring marks, and the user always feels uncomfortable when writing on the back side of the page and cannot write well.

Disclosure of Invention

The to-be-solved technical problem of the utility model is to provide a partition type hasp loose-leaf binder, this kind of partition type hasp loose-leaf binder simple structure can keep the front cover to level and not upwarp, and turns over a page or leaf reverse side and write and do not press against the hand.

In order to solve the technical problem, the utility model discloses a technical scheme as follows:

the utility model provides a partition formula hasp loose-leaf binder, includes front cover and loose-leaf mechanism, and the front cover includes first front cover, intermediate junction face and second front cover, its characterized in that: the loose-leaf mechanism is installed on the inboard border of second front cover, and the upper segment of loose-leaf mechanism is equipped with at least one last buckle that can the lock, and the hypomere of loose-leaf mechanism is equipped with at least one lower buckle that can the lock, and the middle section of loose-leaf mechanism is level and smooth, the inboard border upper segment of first front cover is equipped with at least one upper stripe hole that corresponds with last buckle, and the inboard border hypomere of first front cover is equipped with at least one lower bar hole that corresponds with lower buckle, and first front cover lid closes under the state of second front cover, and the top of going up the buckle is in upper stripe hole and cooperates with upper stripe hole buckle, and the top of lower buckle is in lower bar hole and cooperates with lower bar hole buckle.

Typically, the inner edge of the first cover is connected to one side edge of the middle connecting surface, and the inner edge of the second cover is connected to the other side edge of the middle connecting surface.

The loose-leaf mechanism is installed on the edge of the inner side of the second cover, then the upper retaining ring and the lower retaining ring on the loose-leaf mechanism are opened, the round hole in the paper is sleeved in the upper retaining ring and the lower retaining ring, and the upper retaining ring and the lower retaining ring are buckled to fix the paper on the loose-leaf mechanism. When first cover lid closed on the second cover, the last buckle of loose-leaf mechanism upper segment and the upper stripe shape hole buckle cooperation of first cover inboard border upper segment, the lower buckle of loose-leaf mechanism hypomere and the lower stripe shape hole buckle cooperation of first cover inboard border hypomere, the top of bellied last buckle and the top of lower buckle can be exposed to first cover to guarantee that first cover is blocked on loose-leaf mechanism, make first cover level and smooth not upwarp.

The upper section of the loose-leaf mechanism is provided with at least one upper retaining ring capable of being buckled, the lower section of the loose-leaf mechanism is provided with at least one lower retaining ring capable of being buckled, the middle section of the loose-leaf mechanism is not provided with a ring capable of being buckled, the middle section of the loose-leaf mechanism is blank, the upper retaining ring and the lower retaining ring are separated from each other by the middle section of the loose-leaf mechanism, the wrist of a user can be placed in the blank position of the middle section of the loose-leaf mechanism, the reverse side of page turning does not damage hands during writing, the problem that the reverse side of page turning of a traditional porous loose-leaf binder is uncomfortable during writing is improved, and the user can obtain writing experience with smooth front and back sides.

In a specific scheme, the number of the upper retaining rings is four, the number of the upper strip-shaped holes is four, the top of each upper retaining ring is positioned in the corresponding upper strip-shaped hole, and the top of one upper retaining ring is in snap fit with the upper strip-shaped hole; the number of the lower retaining rings is four, the number of the lower strip-shaped holes is four, the top of each lower retaining ring is located in the corresponding lower strip-shaped hole, and the top of one lower retaining ring is in snap fit with the lower strip-shaped hole.

As a preferred scheme of the utility model, an upper lug is arranged in the upper strip-shaped hole and is in snap fit with the top of the upper buckle ring; and a lower convex block is arranged in the lower strip-shaped hole and is in snap fit with the top of the lower retaining ring. The upper convex block is used for clamping the top of the upper retaining ring, and the lower convex block is used for clamping the top of the lower retaining ring so as to ensure that the first cover is clamped on the loose-leaf mechanism, so that the first cover is flat and does not warp.

As a further preferred aspect of the present invention, the upper protruding block and the lower protruding block are integrally formed with the first cover.

As a preferred scheme of the utility model, the hinge mechanism comprises a first clamping piece, a second clamping piece and an opening and closing control mechanism, and the first clamping piece and the second clamping piece are both in a long strip shape; the outer edge of the first clamping piece is provided with at least two first arc hooks bent inwards, one first arc hook is positioned at the upper section of the outer edge of the first clamping piece, and the other first arc hook is positioned at the lower section of the outer edge of the first clamping piece; at least two second arc hooks bent inwards are arranged on the outer edge of the second clamping piece, one second arc hook is positioned on the upper section of the outer edge of the second clamping piece, and the other second arc hook is positioned on the lower section of the outer edge of the second clamping piece; the number of the second arc hooks is the same as that of the first arc hooks and corresponds to that of the first arc hooks one by one; the inner edge of the second clamping piece can be installed on the first clamping piece in a push-pull mode through the opening and closing control mechanism, and the corresponding first arc hook is in clamping fit with the second arc hook. The second folder can carry out the push-and-pull removal for first folder through the control mechanism that opens and shuts, and then the first circular arc hook that the control corresponds and second circular arc hook lock with open, and this kind of plug-type loose-leaf mechanism is simple to use, and one pushes away can open or the first circular arc hook and the second circular arc hook that the lock corresponds between drawing, and the silence opens and shuts, uses comfortablely, more is fit for using in quiet places such as classroom or library.

As a further preferred aspect of the present invention, the first circular arc hook and the second circular arc hook are formed in a state of being fastened to the upper buckle or the lower buckle, respectively.

As a further preferred aspect of the present invention, in the corresponding first arc hook and the second arc hook, the buckling end of the first arc hook is provided with a concave hole, and the buckling end of the second arc hook is provided with a convex point, and under the state of the first arc hook and the second arc hook, the concave hole is matched with the convex point. The concave holes are matched with the convex points in an inosculating mode, the paired first arc hooks and the paired second arc hooks can be guaranteed to be in a buckled state, and the paired first arc hooks and the paired second arc hooks are aligned with each other and are tightly nested together.

As a further preferred scheme of the utility model, be equipped with two at least first through-holes on the inboard border of second front cover, be equipped with two at least second through-holes on the first folder, the quantity of second through-hole is the same and the one-to-one with the quantity of first through-hole, and first folder passes second through-hole, first through-hole riveting in proper order through the rivet on the inboard border of second front cover. Through set up two first through-holes on the inboard border of second cover, can pass through the effect of riveting fastening on the inboard border of second cover with loose-leaf mechanism.

As a further preferred aspect of the present invention, the opening and closing control mechanism includes a push-pull bar, a push-pull groove disposed on the bottom surface of the first clamping member, a bar-shaped groove disposed on the top surface of the first clamping member, and an upper slider and a lower slider disposed on the upper and lower ends of the second clamping member, the upper and lower ends of the bar-shaped groove are respectively provided with an upper chute and a lower chute, the second clamping member is located in the bar-shaped groove, the upper slider is located in the upper chute, and the lower slider is located in the lower chute; the push-pull strip is positioned in the push-pull groove and can move along the length direction of the push-pull groove, and the lower end of the push-pull strip is exposed out of the lower end opening of the push-pull groove; the upper section of the push-pull strip is provided with an upper convex column, the upper section of the strip-shaped groove is provided with an upper guide hole, the upper section of the strip-shaped groove is communicated with the upper section of the push-pull groove through the upper guide hole, the upper section of the bottom surface of the second clamping piece is provided with an upper inclined guide groove, the upper convex column penetrates through the upper guide hole, and the top of the upper convex column is positioned in the upper inclined guide groove; the lower section of the push-pull strip is provided with a lower convex column, the lower section of the strip-shaped groove is provided with a lower guide hole, the lower section of the strip-shaped groove is communicated with the lower section of the push-pull groove through the lower guide hole, the lower section of the bottom surface of the second clamping piece is provided with a lower inclined guide groove parallel to the upper inclined guide groove, and the lower convex column penetrates through the lower guide hole and the top of the lower convex column is positioned in the lower inclined guide groove. The opening amplitude of the second clamping piece relative to the first clamping piece during movement is matched by arranging the upper inclined guide groove and the lower inclined guide groove which are parallel to each other. When the corresponding first arc hook and the second arc hook are to be opened, a user can grasp the lower end of the push-pull strip by hand, the push-pull strip is pulled out from the push-pull groove, the second clamping piece slowly moves out of the strip-shaped groove along the upper sliding groove and the lower sliding groove, the second clamping piece moves far away relative to the first clamping piece, and the first arc hook and the second arc hook are separated from being matched. When the corresponding first arc hook is buckled with the second arc hook, a user can push the lower end of the push-pull strip by hand to slowly push the push-pull strip into the push-pull groove, the second clamping piece slowly moves into the strip-shaped groove along the upper sliding groove and the lower sliding groove, and the second clamping piece moves close to the first clamping piece, so that the first arc hook and the second arc hook are buckled towards the middle. The push-pull type opening and closing control mechanism has small opening force used in the opening process and is simple and convenient to open.

As a further preferred aspect of the present invention, the lower end of the push-pull strip is provided with a gripper block, the lower end opening of the push-pull groove is provided with a notch, and correspondingly, the first arc hook and the second arc hook are in the notch when the first arc hook and the second arc hook are in the locked state. The user can hold the handle block with a hand to pull out or push the push-pull strip, and the opening or the buckling of the corresponding first arc hook and the second arc hook is realized.

As a further preferred aspect of the present invention, the bottom surface of the second clamping member is provided with at least one guide groove, at least one guide block is provided in the bar groove, the number of the guide blocks is the same as that of the guide grooves, and the guide blocks are located in the guide grooves.

As a further preferable scheme of the present invention, an upper longitudinal slot is provided at the upper end of the upper inclined guide slot, the lower end of the upper longitudinal slot is communicated with the upper end of the upper inclined guide slot, and an upper included angle is formed between the upper inclined guide slot and the upper longitudinal slot; a lower longitudinal clamping groove is formed in the upper end of the lower inclined guide groove, the lower end of the lower longitudinal clamping groove is communicated with the upper end of the lower inclined guide groove, a lower included angle is formed between the lower inclined guide groove and the lower longitudinal clamping groove, and the angle of the lower included angle is equal to that of the upper included angle; the first arc hook and the second arc hook are correspondingly buckled, the top of the upper convex column is positioned in the upper longitudinal clamping groove, and the top of the lower convex column is positioned in the lower longitudinal clamping groove. When a user pushes the push-pull strip into the push-pull groove, the upper convex column is pushed into the upper longitudinal clamping groove along the guide of the upper oblique guide groove, the lower convex column is pushed into the lower longitudinal clamping groove along the guide of the lower oblique guide groove, at the moment, the push-pull strip is pushed in place, the upper convex column is clamped in the upper longitudinal clamping groove, and the lower convex column is clamped in the lower longitudinal clamping groove.

As a further preferred aspect of the present invention, the lower segment of the push-pull groove is provided with a limit step, the lower segment of the push-pull strip is provided with a limit fixture block, correspondingly, the first arc hook and the second arc hook are in snap fit with the limit step at the state of the lock.

The first clamping piece, the first arc hook, the second clamping piece and the second arc hook are made of plastics, the first clamping piece and the first arc hook are integrally formed by injection molding, and the second clamping piece and the second arc hook are integrally formed by injection molding. Preferably, the plastic is ABS plastic. ABS plastics are a thermoplastic high-molecular structure material with high strength, good toughness and easy processing and forming, and the material is light and mellow without scratching hands and scratching documents.

Compared with the prior art, the utility model, have following advantage:

the partition type lock catch loose-leaf binder is simple in structure and novel in appearance, the upper retaining ring and the lower retaining ring which are vertically partitioned are matched with the upper strip-shaped hole and the lower strip-shaped hole in a buckling mode, the first cover is locked on the loose-leaf mechanism of the second cover, the first cover is kept flat and does not upwarp, and the page turning reverse side is free from hand damage during writing.

Drawings

FIG. 1 is a schematic structural diagram of an embodiment of the present invention;

FIG. 2 is a schematic view of the hinge mechanism of FIG. 1 in an exploded state;

fig. 3 is a schematic view of the first cover covering the second cover according to the embodiment of the present invention.

Detailed Description

The following further describes the preferred embodiments of the present invention with reference to the accompanying drawings.

As shown in fig. 1 to 3, the partition type locking binder of the present embodiment includes a cover 1 and a binder mechanism 2, the cover 1 includes a first cover 11, a middle connecting surface 12 and a second cover 13, an inner side of the first cover 11 is connected to one side of the middle connecting surface 12, and an inner side of the second cover 13 is connected to the other side of the middle connecting surface 12; the loose-leaf mechanism 2 is installed on the inner side edge of the second cover 13, the upper section 21 of the loose-leaf mechanism 2 is provided with four upper retaining rings 24 capable of being buckled, the lower section 22 of the loose-leaf mechanism 2 is provided with four lower retaining rings 25 capable of being buckled, the middle section 23 of the loose-leaf mechanism 2 is smooth, the upper section of the inner side edge of the first cover 11 is provided with four upper strip-shaped holes 111 corresponding to the upper retaining rings 24, the lower section of the inner side edge of the first cover 11 is provided with four lower strip-shaped holes 112 corresponding to the lower retaining rings 25, the first cover 11 is covered on the second cover 13, the top of the upper retaining ring 24 is located in the upper strip-shaped holes 111, the top of one of the upper retaining rings 24 is in buckling fit with the upper strip-shaped holes 111, the top of the lower retaining ring 25 is located in the lower strip-shaped holes 112, and the top of one of the lower retaining rings 25 is in buckling fit with the lower strip-shaped holes 112.

An upper lug 113 is arranged in the upper strip-shaped hole 111, and the upper lug 113 is in snap fit with the top of the upper retaining ring 24; a lower convex block 114 is arranged in the lower strip-shaped hole 112, and the lower convex block 114 is in snap fit with the top of the lower retaining ring 25; the upper and

lower protrusions

113 and 114 are integrally formed with the first cover 11. The upper cam 113 is used to lock the top of the upper clasp 24, and the lower cam 114 is used to lock the top of the lower clasp 25, so as to ensure that the first cover 11 is locked on the loose-leaf mechanism 2, and the first cover 11 is flat and does not warp upwards.

The loose-leaf mechanism 2 comprises a first clamping piece 3, a second clamping piece 4 and an opening and closing control mechanism 5, wherein the first clamping piece 3 and the second clamping piece 4 are both in a strip shape; eight first arc hooks 31 bent inwards are arranged on the outer edge of the first clamping piece 3, four first arc hooks 31 are positioned on the upper section of the outer edge of the first clamping piece 3, and the other four first arc hooks 31 are positioned on the lower section of the outer edge of the first clamping piece 3; eight second arc hooks 41 bent inwards are arranged on the outer edge of the second clamping piece 4, four second arc hooks 41 are positioned at the upper section of the outer edge of the second clamping piece 4, and the other four second arc hooks 41 are positioned at the lower section of the outer edge of the second clamping piece 4; the number of the second circular arc hooks 41 is the same as that of the first circular arc hooks 31 and corresponds to that of the first circular arc hooks one by one; the inner edge of the second clamping piece 4 can be installed on the first clamping piece 3 in a push-and-pull mode through the opening and closing control mechanism 5, and the corresponding first arc hook 31 is in clamping fit with the second arc hook 41. The second clamping piece 4 can be pushed and pulled to move relative to the first clamping piece 3 through the opening and closing control mechanism 5, and then the corresponding first arc hook 31 and the second arc hook 41 are controlled to be buckled and opened, the push-pull type loose-leaf mechanism 2 is simple to use, the first arc hook 31 and the second arc hook 41 which correspond to each other can be buckled or opened when the first arc hook is pushed and pulled, and the silent opening and closing is comfortable to use, so that the silent opening and closing mechanism is more suitable for being used in quiet places such as classrooms or libraries.

The corresponding first circular-arc hook 31 and the second circular-arc hook 41 form an upper snap ring 24 or a lower snap ring 25 in a buckled state. In the corresponding first circular-arc hook 31 and the second circular-arc hook 41, the locking end of the first circular-arc hook 31 is provided with a concave hole 311, the locking end of the second circular-arc hook 41 is provided with a convex point 411, and the concave hole 311 and the convex point 411 are matched with each other in a locking state of the first circular-arc hook 31 and the second circular-arc hook 41. The concave hole 311 is matched with the convex point 411, so that the paired first circular-arc hooks 31 and the paired second circular-arc hooks 41 can be ensured to be mutually aligned and tightly nested together under the buckling state of the paired first circular-arc hooks 31 and the paired second circular-arc hooks 41.

Two first through holes 131 are arranged on the inner side edge of the second cover 13, two second through holes 32 corresponding to the first through holes 131 are arranged on the first clamping piece 3, and the first clamping piece 3 sequentially penetrates through the second through holes 32 and the first through holes 131 through rivets and is riveted on the inner side edge of the second cover 13. The hinge mechanism 2 can be fixed to the inner side edge of the second cover 13 by caulking by providing two first through holes 131 on the inner side edge of the second cover 13.

The opening and closing control mechanism 5 comprises a push-pull strip 51, a push-pull groove 52 arranged on the bottom surface of the first clamping piece 3, a strip-shaped groove 53 arranged on the top surface of the first clamping piece 3, an upper slide block 54 and a lower slide block 55 arranged at the upper end and the lower end of the second clamping piece 4, an upper chute 531 and a lower chute 532 are respectively arranged at the upper end and the lower end of the strip-shaped groove 53, the second clamping piece 4 is positioned in the strip-shaped groove 53, the upper slide block 54 is positioned in the upper chute 531, and the lower slide block 55 is positioned in the lower chute 532; the push-pull strip 51 is positioned in the push-pull groove 52, the push-pull strip 51 can move along the length direction of the push-pull groove 52, and the lower end of the push-pull strip 51 is exposed out of the lower end opening 521 of the push-pull groove 52; the upper section of the push-pull strip 51 is provided with an upper convex column 511, the upper section of the strip-shaped groove 53 is provided with an upper guide hole 533, the upper section of the strip-shaped groove 53 is communicated with the upper section of the push-pull groove 52 through the upper guide hole 533, the upper section of the bottom surface of the second clamping piece 4 is provided with an upper inclined guide groove 42, the upper convex column 511 passes through the upper guide hole 533, and the top of the upper convex column 511 is positioned in the upper inclined guide groove 42; the lower section of the push-pull strip 51 is provided with a lower convex column 512, the lower section of the strip-shaped groove 53 is provided with a lower guide hole 534, the lower section of the strip-shaped groove 53 is communicated with the lower section of the push-pull groove 52 through the lower guide hole 534, the lower section of the bottom surface of the second clamping piece 4 is provided with a lower inclined guide groove 43 parallel to the upper inclined guide groove 42, the lower convex column 512 penetrates through the lower guide hole 534, and the top of the lower convex column 512 is positioned in the lower inclined guide groove 43. The opening width of the second clip member 4 when moving relative to the first clip member 3 is matched by providing the upper and lower

slanted guide grooves

42 and 43 in parallel with each other. When the corresponding first circular-arc hook 31 and the second circular-arc hook 41 are to be opened, the user can grasp the lower end of the push-pull strip 51 by hand, pull the push-pull strip 51 out of the push-pull groove 52, and the second clip member 4 slowly moves out of the strip-shaped groove 53 along the upper sliding groove 531 and the lower sliding groove 532, so that the second clip member 4 moves away from the first clip member 3, and the first circular-arc hook 31 is disengaged from the second circular-arc hook 41. When the corresponding first arc hook 31 is to be engaged with the second arc hook, the user can push the lower end of the push-pull strip 51 by hand to push the push-pull strip 51 into the push-pull groove 52 slowly, and the second clip 4 moves into the strip-shaped groove 53 slowly along the upper sliding groove 531 and the lower sliding groove 532, so that the second clip 4 moves closer to the first clip 3, and the first arc hook 31 is engaged with the second arc hook 41. The push-pull type opening and closing control mechanism 5 has small opening force used in the opening process and is simple and convenient to open.

The lower end of the push-pull strip 51 is provided with a gripper block 513, the lower end opening 521 of the push-pull groove 52 is provided with a notch 522, and the gripper block 513 is located in the notch 522 when the corresponding first arc hook 31 and the corresponding second arc hook 41 are in a buckled state. The user can pinch the handle block 513 by hand to pull or push the push-pull strip 51, so as to open or close the corresponding first circular-arc hook 31 and the second circular-arc hook 41.

The bottom surface of the second clamping member 4 is provided with two guide grooves 44, two guide blocks 535 corresponding to the guide grooves 44 are arranged in the strip-shaped groove 53, and the guide blocks 535 are arranged in the guide grooves 44.

An upper longitudinal clamping groove 45 is formed in the upper end of the upper inclined guide groove 42, the lower end of the upper longitudinal clamping groove 45 is communicated with the upper end of the upper inclined guide groove 42, and an upper included angle is formed between the upper inclined guide groove 42 and the upper longitudinal clamping groove 45; a lower longitudinal clamping groove 46 is formed in the upper end of the lower inclined guide groove 43, the lower end of the lower longitudinal clamping groove 46 is communicated with the upper end of the lower inclined guide groove 43, a lower included angle is formed between the lower inclined guide groove 43 and the lower longitudinal clamping groove 46, and the angle of the lower included angle is equal to that of the upper included angle; when the corresponding first arc hook 31 and the second arc hook 41 are in a locked state, the top of the upper convex column 511 is located in the upper longitudinal slot 45, and the top of the lower convex column 512 is located in the lower longitudinal slot 46. When the user pushes the push-pull strip 51 into the push-pull groove 52, the upper convex column 511 is pushed into the upper longitudinal slot 45 along the guide of the upper inclined guide groove 42, the lower convex column 512 is pushed into the lower longitudinal slot 46 along the guide of the lower inclined guide groove 43, at this time, the push-pull strip 51 is pushed in place, the upper convex column 511 is clamped in the upper longitudinal slot 45, and the lower convex column 512 is clamped in the lower longitudinal slot 46.

The lower section of the push-pull groove 52 is provided with a limiting step 523, the lower section of the push-pull strip 51 is provided with a limiting fixture block 514, and the limiting fixture block 514 is in snap fit with the limiting step 523 when the corresponding first arc hook 31 and the corresponding second arc hook 41 are in a buckled state.

The first clamping piece 3, the first arc hook 31, the second clamping piece 4 and the second arc hook 41 are all made of plastics, the first clamping piece 3 and the first arc hook 31 are integrally formed by injection molding, and the second clamping piece 4 and the second arc hook 41 are integrally formed by injection molding. Preferably, the plastic is ABS plastic. ABS plastics are a thermoplastic high-molecular structure material with high strength, good toughness and easy processing and forming, and the material is light and mellow without scratching hands and scratching documents.

The loose-leaf mechanism 2 is installed on the inner side edge of the second cover 13, then the upper retaining ring 24 and the lower retaining ring 25 on the loose-leaf mechanism 2 are opened, the round holes on the paper are sleeved in the upper retaining ring 24 and the lower retaining ring 25, and then the upper retaining ring 24 and the lower retaining ring 25 are buckled to fix the paper on the loose-leaf mechanism 2. When the first cover 11 is covered on the second cover 13, the upper retaining ring 24 of the upper section 21 of the loose-leaf mechanism 2 is in snap fit with the upper strip-shaped hole 111 of the inner side edge upper section of the first cover 11, the lower retaining ring 25 of the lower section 22 of the loose-leaf mechanism 2 is in snap fit with the lower strip-shaped hole 112 of the inner side edge lower section of the first cover 11, the first cover 11 can be exposed out of the top of the upper retaining ring 24 and the top of the lower retaining ring 25, so that the first cover 11 is guaranteed to be clamped on the loose-leaf mechanism 2, and the first cover 11 is enabled to be flat and not to warp upwards.

The upper section 21 of the loose-leaf mechanism 2 is provided with at least one upper retaining ring 24 capable of being buckled, the lower section 22 of the loose-leaf mechanism 2 is provided with at least one lower retaining ring 25 capable of being buckled, the middle section 23 of the loose-leaf mechanism 2 is not provided with a ring capable of being buckled, so that the middle section 23 of the loose-leaf mechanism 2 is blank, the middle section 23 of the loose-leaf mechanism 2 separates the upper retaining ring 24 from the lower retaining ring 25, the blank position of the middle section 23 of the loose-leaf mechanism 2 can be used for placing the wrist of a user, the reverse side of page turning is not pressed against the hand, the problem of uncomfortable writing of the reverse side of page turning of a traditional porous loose-leaf binder is improved, and the user can obtain smooth and unimpeded writing experience of the forward side and the reverse side.

In addition, it should be noted that the names of the parts and the like of the embodiments described in the present specification may be different, and all the equivalent or simple changes made according to the structure, the features and the principle of the present invention are included in the protection scope of the present invention. Various modifications, additions and substitutions may be made by those skilled in the art without departing from the scope of the invention as defined in the accompanying claims.

Claims

1. The utility model provides a partition formula hasp loose-leaf binder, includes front cover and loose-leaf mechanism, and the front cover includes first front cover, intermediate junction face and second front cover, its characterized in that: the loose-leaf mechanism is installed on the inboard border of second front cover, and the upper segment of loose-leaf mechanism is equipped with at least one last buckle that can the lock, and the hypomere of loose-leaf mechanism is equipped with at least one lower buckle that can the lock, and the middle section of loose-leaf mechanism is level and smooth, the inboard border upper segment of first front cover is equipped with at least one upper stripe hole that corresponds with last buckle, and the inboard border hypomere of first front cover is equipped with at least one lower bar hole that corresponds with lower buckle, and first front cover lid closes under the state of second front cover, and the top of going up the buckle is in upper stripe hole and cooperates with upper stripe hole buckle, and the top of lower buckle is in lower bar hole and cooperates with lower bar hole buckle.

2. The partition-type locking binder of claim 1, wherein: the number of the upper retaining rings is four, the number of the upper strip-shaped holes is four, the top of each upper retaining ring is positioned in the corresponding upper strip-shaped hole, and the top of one upper retaining ring is in snap fit with the upper strip-shaped hole; the number of the lower retaining rings is four, the number of the lower strip-shaped holes is four, the top of each lower retaining ring is located in the corresponding lower strip-shaped hole, and the top of one lower retaining ring is in snap fit with the lower strip-shaped hole.

3. The partition-type locking binder as claimed in claim 2, wherein: an upper lug is arranged in the upper strip-shaped hole and is in snap fit with the top of the upper retaining ring; a lower convex block is arranged in the lower strip-shaped hole and is in snap fit with the top of the lower retaining ring; the upper convex block and the lower convex block are integrally manufactured with the first cover.

4. The partition-type locking binder of claim 1, wherein: the hinge mechanism comprises a first clamping piece, a second clamping piece and an opening and closing control mechanism, and the first clamping piece and the second clamping piece are both in a long strip shape; the outer edge of the first clamping piece is provided with at least two first arc hooks bent inwards, one first arc hook is positioned at the upper section of the outer edge of the first clamping piece, and the other first arc hook is positioned at the lower section of the outer edge of the first clamping piece; at least two second arc hooks bent inwards are arranged on the outer edge of the second clamping piece, one second arc hook is positioned on the upper section of the outer edge of the second clamping piece, and the other second arc hook is positioned on the lower section of the outer edge of the second clamping piece; the number of the second arc hooks is the same as that of the first arc hooks and corresponds to that of the first arc hooks one by one; the inner edge of the second clamping piece can be installed on the first clamping piece in a push-pull mode through the opening and closing control mechanism, and the corresponding first arc hook is in clamping fit with the second arc hook.

5. The partition-type locking binder of claim 4, wherein: the corresponding first arc hook and the second arc hook form the upper retaining ring or the lower retaining ring in a buckled state.

6. The partition-type locking binder of claim 4, wherein: and in the corresponding first arc hook and the second arc hook, the buckling end of the first arc hook is provided with a concave hole, the buckling end of the second arc hook is provided with a convex point, and the concave hole is matched with the convex point in a buckling state of the first arc hook and the second arc hook.

7. The partition-type locking binder of claim 4, wherein: the first folder is provided with at least two first through holes, the first folder is provided with at least two second through holes, the number of the second through holes is the same as that of the first through holes, the second through holes correspond to the first through holes in a one-to-one mode, and the first folder sequentially penetrates through the second through holes and the first through holes through rivets and is riveted on the inner side edge of the second cover.

8. The partition-type locking binder of claim 4, wherein: the opening and closing control mechanism comprises a push-pull strip, a push-pull groove arranged on the bottom surface of the first clamping piece, a strip-shaped groove arranged on the top surface of the first clamping piece, an upper sliding block and a lower sliding block which are arranged at the upper end and the lower end of the second clamping piece, the upper end and the lower end of the strip-shaped groove are respectively provided with an upper sliding groove and a lower sliding groove, the second clamping piece is positioned in the strip-shaped groove, the upper sliding block is positioned in the upper sliding groove, and the lower sliding block is positioned in the lower sliding groove; the push-pull strip is positioned in the push-pull groove and can move along the length direction of the push-pull groove, and the lower end of the push-pull strip is exposed out of the lower end opening of the push-pull groove; the upper section of the push-pull strip is provided with an upper convex column, the upper section of the strip-shaped groove is provided with an upper guide hole, the upper section of the strip-shaped groove is communicated with the upper section of the push-pull groove through the upper guide hole, the upper section of the bottom surface of the second clamping piece is provided with an upper inclined guide groove, the upper convex column penetrates through the upper guide hole, and the top of the upper convex column is positioned in the upper inclined guide groove; the lower section of the push-pull strip is provided with a lower convex column, the lower section of the strip-shaped groove is provided with a lower guide hole, the lower section of the strip-shaped groove is communicated with the lower section of the push-pull groove through the lower guide hole, the lower section of the bottom surface of the second clamping piece is provided with a lower inclined guide groove parallel to the upper inclined guide groove, and the lower convex column penetrates through the lower guide hole and the top of the lower convex column is positioned in the lower inclined guide groove.

9. The partition-type locking binder of claim 8, wherein: an upper longitudinal clamping groove is formed in the upper end of the upper inclined guide groove, the lower end of the upper longitudinal clamping groove is communicated with the upper end of the upper inclined guide groove, and an upper included angle is formed between the upper inclined guide groove and the upper longitudinal clamping groove; a lower longitudinal clamping groove is formed in the upper end of the lower inclined guide groove, the lower end of the lower longitudinal clamping groove is communicated with the upper end of the lower inclined guide groove, a lower included angle is formed between the lower inclined guide groove and the lower longitudinal clamping groove, and the angle of the lower included angle is equal to that of the upper included angle; the first arc hook and the second arc hook are correspondingly buckled, the top of the upper convex column is positioned in the upper longitudinal clamping groove, and the top of the lower convex column is positioned in the lower longitudinal clamping groove.

10. The partition-type locking binder of claim 8, wherein:

the lower end of the push-pull strip is provided with a gripper block, a notch is formed in an opening at the lower end of the push-pull groove, and the gripper block is located in the notch when the corresponding first arc hook and the corresponding second arc hook are in a buckled state;

the bottom surface of the second clamping piece is provided with at least one guide groove, at least one guide block is arranged in the strip-shaped groove, the number of the guide blocks is the same as that of the guide grooves, the guide blocks correspond to the guide grooves one by one, and the guide blocks are positioned in the guide grooves;

the lower section of the push-pull groove is provided with a limiting step, the lower section of the push-pull strip is provided with a limiting fixture block, and the limiting fixture block is in snap fit with the limiting step when the first arc hook and the second arc hook are correspondingly buckled.