Binding structure of environment-friendly coil book

Abstract

The binding structure of the environment-friendly coil book comprises a coil body, the coil body comprises a plurality of base rings, binding openings are formed in the base rings, one end of each base ring is a fixed end, a fixed opening communicated with the binding openings is formed between every two adjacent fixed ends, the other end of each base ring is a penetrating-in end, and the penetrating-in ends are connected with the binding openings. Each base ring comprises a fixed end and a penetrating end, an abutting convex part is arranged at a position between the fixed end and the penetrating end, each abutting convex part is located at the same circumferential position of each base ring, the linkage sliding block is located between the fixed end and the abutting convex block, and the linkage sliding block is provided with a first sliding groove for the coil body to penetrate through. After the mounting holes of the paper are opposite to the penetrating ends of the base rings and penetrate into the base rings, the linkage sliding block slides to the first abutting position, the linkage sliding block abuts against the abutting protruding parts and pushes the penetrating ends of the base rings to deform / move towards the fixing openings, and therefore the base rings are synchronously closed without being closed one by one, and the convenience of loose-leaf paper mounting is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of environmental protection coil, specifically relates to a binding structure of environmental protection coil. BACKGROUND

[0002] Binding refers to processing printed pages, booklets into books, or arranging and matching single documents, bills and other post-printing processing. Common binding methods include gluing, ring binding, thread binding, etc. Among them, the ring binding process often involves a coil.

[0003] The conventional coil book is used for binding, the writing paper mounting hole and the coil ring penetration end in the open state are opposite to each other, the writing paper is sleeved into the coil ring, and the coil ring is folded to complete the binding. Since the ring on the coil is continuous, the coil ring needs to be folded one by one, and the operation efficiency is low.

[0004] Therefore, a new coil book binding structure is needed to solve this problem. UTILITY MODEL CONTENT

[0005] The utility model aims at overcoming the shortcomings and deficiencies of the prior art, and provides a binding structure of environmental protection coil.

[0006] The technical scheme adopted by the utility model is as follows: a binding structure of environmental protection coil, comprising a coil body, the coil body comprises a plurality of base coils, the base coil is provided with a binding opening,

[0007] One end of the base coil is a fixed end, and a fixed opening communicating with the binding opening is formed between adjacent fixed ends. The other end of the base coil is a penetration end, and an abutting convex part is arranged at a position between the fixed end and the penetration end. Each abutting convex part is located at the same circumferential position of each base coil,

[0008] Further comprising a linkage sliding block between the fixed end and the abutting convex part, the linkage sliding block is provided with a first sliding groove for the coil body, the linkage sliding block slides on the coil body along the circumference of the coil body and has a first abutting position abutting the abutting convex part and a second position away from the abutting convex part.

[0009] Preferably, the abutting convex part, the binding opening and the base coil center form an arc less than or equal to 90 degrees.

[0010] Preferably, each base coil comprises two parallel arranged coil bodies, and each coil body is provided with an abutting convex part at the same circumferential position.

[0011] Preferably, the first sliding groove comprises at least a first through hole corresponding to the number of base coils, the first through hole is adapted to the cross-sectional shape of the base coil and has a radial length smaller than the abutting convex part.

[0012] Preferably, the fixed mouth is provided with a fixed sleeve for the insertion end of the base coil to insert into, and the fixed sleeve is buckled with the insertion end.

[0013] Preferably, the fixed sleeve is slidably connected to the coil body and is provided with a first sliding slot for the coil body to pass through, and the base coil is provided with a limiting protrusion at the fixed end to limit the fixed sleeve from being pulled out from the end, and the fixed sleeve has a third abutting position abutting against the limiting protrusion and a fourth position away from the limiting protrusion when sliding relative to the coil body.

[0014] Preferably, the fixed sleeve comprises at least a second through hole equal in number to the insertion end of the base coil and corresponding one by one, and the second through hole is adapted to the cross-sectional shape of the base coil and has a radial length smaller than the limiting protrusion.

[0015] Preferably, the fixed sleeve is provided with a bayonet corresponding to each second through hole, and the bayonet is in communication with the second through hole and the end face of the fixed sleeve away from the radial center of the coil body.

[0016] The insertion end of the base coil comprises a buckle at the end, and the buckle has at least partial elasticity to make the buckle swing relative to the bayonet to have a fifth position of the buckle in the bayonet and a sixth position of the buckle moving inward away from the bayonet.

[0017] Preferably, the buckle comprises a buckle arm and a buckle head connected to the buckle arm, and when the buckle is inserted into the second through hole, the buckle head swings relative to the bayonet to have a fifth position of the buckle in the bayonet and a sixth position of the buckle moving inward away from the bayonet.

[0018] Preferably, the length of the bayonet in the circumferential direction is greater than the length of the buckle head.

[0019] The beneficial effects of the utility model are as follows: after the installation holes of the paper are opposite to the insertion ends of the base coils and the base coils are inserted, the linkage sliding block is slid to the first abutting position, the linkage sliding block abuts against each abutting protrusion and pushes the insertion ends of the base coils to deform / move towards the fixed mouth, so that the base coils are folded synchronously without being folded one by one, and the convenience of installing the loose-leaf paper is improved. After the paper is installed, the linkage sliding block can be slid to a position away from the abutting protrusions, so as to reduce the interference with the paper; each abutting protrusion can be set to a size smaller than the diameter of the paper installation hole according to actual needs. BRIEF DESCRIPTION OF DRAWINGS

[0020] In order to more clearly illustrate the technical scheme in the embodiments of the utility model or the prior art, the drawings needed to be used in the following embodiment or prior art description will be briefly introduced. Obviously, the drawings in the following description are only some embodiments of the utility model, and for those skilled in the art, other drawings obtained according to these drawings without creative labor still belong to the scope of the utility model.

[0021] Figure 1 This is a three-dimensional structural diagram of the base ring not being closed in an embodiment of this utility model;

[0022] Figure 2 This is a front view of the structure of the base ring not being closed in an embodiment of the present utility model;

[0023] Figure 3 This is a three-dimensional structural diagram of the coil body in an embodiment of the present utility model;

[0024] Figure 4 This is a three-dimensional structural diagram of the base ring closure in an embodiment of the present utility model;

[0025] Figure 5 This is a top view of the base ring closure in an embodiment of the present invention;

[0026] Figure 6 for Figure 5 Cross-sectional structural diagram at point AA;

[0027] Figure 7 for Figure 6 Enlarged view of the structure at point B in the middle;

[0028] In the diagram, 1 is the base ring; 2 is the binding opening; 3 is the fixing opening; 4 is the fixing sleeve; 5 is the linkage slider; 11 is the ring body; 12 is the limiting protrusion; 13 is the buckle; 14 is the abutting protrusion; 41 is the second through hole; 42 is the bayonet; 51 is the first through hole; 131 is the buckle arm; and 132 is the buckle head. Detailed Implementation

[0029] To make the objectives, technical solutions and advantages of this utility model clearer, the utility model will be described in further detail below with reference to the accompanying drawings.

[0030] It should be noted that all uses of "first" and "second" in the embodiments of this utility model are for the purpose of distinguishing two entities or parameters with the same name but different names. It is clear that "first" and "second" are only for the convenience of expression and should not be construed as limiting the embodiments of this utility model. Subsequent embodiments will not explain this in detail.

[0031] The directional and positional terms used in this utility model, such as "up," "down," "front," "back," "left," "right," "inner," "outer," "top," "bottom," and "side," are merely for reference to the accompanying drawings. Therefore, the directional and positional terms used are for the purpose of explaining and understanding this utility model, and not for limiting the scope of protection of this utility model.

[0032] like Figures 1 to 7As shown, the utility model discloses a binding structure of an environmental protection coil book, which comprises a coil body, the coil body comprises a plurality of base coils 1, the base coil 1 is provided with a binding opening 2,

[0033] One end of the base coil 1 is a fixed end, and adjacent fixed ends form a fixed opening 3 communicated with the binding opening 2, the other end of the base coil 1 is a penetrating end, and there is an abutting protrusion 14 at a position between the fixed end and the penetrating end, each abutting protrusion 14 is located at the same circumferential position of each base coil 1,

[0034] The binding structure further comprises a linkage sliding block 5 located between the fixed end and the abutting protrusion 14, the linkage sliding block 5 is provided with a first sliding groove for penetrating the coil body, and the linkage sliding block 5 slides on the coil body in the circumferential direction and has a first abutting position abutting against each abutting protrusion 14 and a second position away from each abutting protrusion 14.

[0035] Through the above arrangement, after the mounting holes of the paper are aligned with the penetrating ends of the base coils and the base coils are penetrated, the linkage sliding block is slid to the first abutting position, the linkage sliding block abuts against each abutting protrusion and pushes the penetrating end of each base coil to deform / shift towards the fixed opening, so that each base coil is synchronously folded, and it is not necessary to fold each base coil one by one, thereby improving the convenience of mounting the loose-leaf paper. After the paper is mounted, the linkage sliding block can be slid to a position away from the abutting protrusion, thereby reducing the interference with the paper; and each abutting protrusion can be arranged to have a size smaller than the diameter of the mounting hole of the paper.

[0036] The arc formed by the abutting protrusion 14, the binding opening 2 and the center of the base coil 1 is less than or equal to 90 degrees.

[0037] Through the above arrangement, the operation is more convenient, and the penetrating end is more easily pushed to move relative to the fixed opening when the linkage sliding block abuts against the abutting protrusion. Each abutting protrusion is arranged to have a size smaller than the diameter of the mounting hole of the paper, and after each base coil is folded, the linkage sliding block can be slid to a position away from the abutting protrusion, and at the same time, the mounting hole of the paper is penetrated through the position where each abutting protrusion is located, thereby completing the binding.

[0038] Each base coil 1 comprises two parallel arranged coil bodies 11, and each coil body 11 is provided with an abutting protrusion 14 at the same circumferential position.

[0039] Through the above arrangement, the abutting cooperation is more stable. Meanwhile, a connecting piece can be arranged between the two coil bodies, and the abutting protrusion is arranged in the form of the connecting piece.

[0040] The first sliding groove comprises at least a first penetrating hole 51 equal to and corresponding to the number of the base coils 1, the first penetrating hole 51 is adapted to the cross-sectional shape of the base coil 1 and has a radial length smaller than the abutting protrusion 14.

[0041] Through the arrangement, the movement position of the linkage slider can be limited, and the stability of abutment is improved, and in addition, the first through hole corresponds to the base ring one by one, so that the base ring is not easy to produce axial displacement and deformation.

[0042] The fixing sleeve 4 is connected to the fixing port 3 for the insertion end of the base ring 1, and the fixing sleeve 4 is buckled with the insertion end.

[0043] Through the arrangement, the stability of the connection between the fixed end and the insertion end is improved, and the portability of the connection is maintained. The fixing sleeve is fixed or position-limited at the fixing port and can be connected to the base ring by mold welding.

[0044] The fixing sleeve 4 is slidingly connected to the coil body and is provided with a first sliding groove for the coil body, the base ring 1 is provided with a limiting protrusion 12 at the fixed end for limiting the fixing sleeve 4 from being pulled out from the end, and the fixing sleeve 4 slidingly relative to the coil body has a third abutting position abutting against the limiting protrusion 12 and a fourth position away from the limiting protrusion 12.

[0045] Through the arrangement, when the base ring needs to be folded, the linkage slider and the fixing sleeve are pinched to the center, the fixing sleeve is located at the third abutting position abutting against the limiting protrusion, the linkage slider is located at the first abutting position abutting against the abutting protrusion, and the fixing sleeve and the insertion end are fixedly connected through the buckle structure, which is convenient and stable.

[0046] The fixing sleeve 4 includes at least a second through hole 41 equal in number to the insertion end of the base ring 1 and corresponding one by one, the second through hole 41 is adapted to the cross-sectional shape of the base ring 1 and has a radial length smaller than the limiting protrusion 12.

[0047] Through the arrangement, the movement position of the fixing sleeve can be limited, and the stability of abutment is improved, and in addition, the second through hole corresponds to the base ring one by one, so that the base ring is not easy to produce axial displacement and deformation.

[0048] The fixing sleeve 4 is provided with a bayonet 42 corresponding to each second through hole 41, the bayonet 42 is communicated with the second through hole 41 and the end face of the fixing sleeve 4 away from the radial center of the coil body,

[0049] The insertion end of the base ring 1 includes a buckle 13 at the end, and the buckle 13 has elasticity at least in part, so that the buckle 13 oscillates relative to the bayonet 42 and has a fifth position where the buckle 13 is located in the bayonet 42 and a sixth position where the buckle 13 moves inward away from the bayonet 42.

[0050] Through the arrangement, the stability of the connection between the fixing sleeve and the buckle is further improved.

[0051] The buckle 13 includes a buckle arm 131 and a buckle head 132 connected to the buckle arm 131, when the buckle 13 penetrates into the second perforation 41, the buckle head 132 swings relative to the buckle opening 42, and has a fifth position where the buckle 13 is located in the buckle opening 42 and a sixth position where the buckle 13 moves inward and away from the buckle opening 42.

[0052] The length of the buckle head 132 is less than the length of the buckle opening 42 in the circumferential direction.

[0053] Through the arrangement, since the fixing sleeve is slidingly connected to the base ring, when the locking of the buckle and the buckle opening needs to be released, the fixing sleeve is moved away from the penetrating end and then the buckle head is pressed, so that the base ring is easily released.

[0054] The above only discloses the preferred embodiments of the utility model, of course, cannot with this to limit the utility model right range, therefore the equivalent change made according to the utility model claim still belongs to the range covered by the utility model.

Claims

1. An environment-friendly coil book binding structure, comprising a coil book body, the coil book body comprising a plurality of base coils (1), the base coils (1) being provided with a binding opening (2), characterized in that: one end of the base coil (1) is a fixed end, adjacent fixed ends form a fixed opening (3) communicated with the binding opening (2), the other end of the base coil (1) is a penetrating end, and there is an abutting protrusion (14) at a position between the fixed end and the penetrating end, each abutting protrusion (14) is located at the same circumferential position of each base coil (1), further comprising a linkage sliding block (5) located between the fixed end and the abutting protrusion (14), the linkage sliding block (5) is provided with a first sliding groove for the coil book body to pass through, the linkage sliding block (5) slides on the coil book body in the circumferential direction and has a first abutting position abutting against each abutting protrusion (14) and a second position away from each abutting protrusion (14). The arc formed by the abutting protrusion (14), the binding opening (2) and the center of the base coil (1) is less than or equal to 90 degrees. Each base coil (1) comprises two coil bodies (11) arranged in parallel, and each coil body (11) is provided with an abutting protrusion (14) at the same circumferential position.

2. The binding structure of the environment-friendly coil book according to claim 1, characterized in that: The first sliding groove comprises at least a first through hole (51) corresponding to the number of base coils (1), the first through hole (51) is adapted to the cross-sectional shape of the base coil (1) and has a radial length smaller than the abutting protrusion (14).

3. The binding structure of the environment-friendly coil book according to claim 1, characterized in that: The fixed opening (3) is connected with a fixed sleeve (4) for the penetrating end of the base coil (1) to penetrate, and the fixed sleeve (4) is buckled with the penetrating end.

4. The binding structure of the environment-friendly coil book according to claim 1, characterized in that: The fixed sleeve (4) is slidingly connected to the coil book body and is provided with a first sliding groove for the coil book body to pass through, the fixed end of the base coil (1) is provided with a limiting protrusion (12) to limit the fixed sleeve (4) from being pulled out from the end, and the fixed sleeve (4) has a third abutting position abutting against the limiting protrusion (12) and a fourth position away from the limiting protrusion (12) relative to the coil book body.

5. The binding structure of the environment-friendly coil book according to any one of claims 1-4, characterized in that: The fixed sleeve (4) comprises at least a second through hole (41) corresponding to the number of penetrating ends of the base coil (1), the second through hole (41) is adapted to the cross-sectional shape of the base coil (1) and has a radial length smaller than the limiting protrusion (12).

6. The binding structure of the environment-friendly coil book according to claim 5, characterized in that: The fixed sleeve (4) is provided with a bayonet (42) corresponding to each second through hole (41), the bayonet (42) communicates the second through hole (41) and the end face of the fixed sleeve (4) away from the radial center of the coil book body, 7. The binding structure of the environment-friendly coil book according to claim 6, characterized in that: The penetrating end of the base coil (1) comprises a buckle (13) located at the end, the buckle (13) has at least partial elasticity, and the buckle (13) swings relative to the bayonet (42) to have a fifth position where the buckle (13) is located in the bayonet (42) and a sixth position where the buckle (13) moves inward away from the bayonet (42).

8. The binding structure of the environment-friendly coil book according to claim 7, characterized in that: The buckle (13) comprises a buckle arm (131) and a buckle head (132) connected to the buckle arm (131), when the buckle (13) penetrates the second through hole (41), the buckle head (132) swings relative to the bayonet (42) to have a fifth position where the buckle (13) is located in the bayonet (42) and a sixth position where the buckle (13) moves inward away from the bayonet (42). ​ 9. The binding structure of an environmentally friendly coil notebook according to claim 8, wherein: ​ 10. The binding structure of the environment-friendly coil book according to claim 9, characterized in that: The length of the bayonet (42) in the circumferential direction is greater than the length of the snap head (132).

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