Loose-leaf notebook with clamp

Abstract

According to the loose-leaf notebook with the clamp, the two sides of a buckling groove of a locking structure of the loose-leaf notebook are each provided with an access opening, protrusions can be clamped into the buckling groove from the access openings in the two sides, and therefore the loose-leaf notebook is flexible to use; the two semi-rings of the locking type binding rings at the two ends can be separated from each other by oppositely pressing one semi-ring of the locking type binding rings at the two ends through the index finger and the thumb, so that unlocking is completed, unlocking can be achieved through a single hand, the two clamps of the loose-leaf notebook can be unlocked at the same time through the two hands, great convenience is achieved, and the use efficiency can be improved. The clamping type binding ring enables paper binding to be more stable, the other end of the first clamping semi-ring of the clamping type binding ring and the other end of the second clamping semi-ring of the clamping type binding ring are connected in an inserted mode, the clamping type binding ring can be easily unlocked when the locking type binding ring is unlocked, and unlocking is convenient.

Description

Technical Field

[0001] The present invention relates to the technical field of stationery, and particularly to a loose-leaf notebook with clamps. Background Art

[0002] Loose-leaf notebooks are flexible and convenient. They can add, delete, or adjust the page order at will, facilitating the organization of notes, materials, etc. They can also be classified and bound according to different themes or subjects, making the content more organized and facilitating the user to quickly search for and flip through the required information.

[0003] The existing loose-leaf notebooks include clamps and covers, and the clamps are installed on the covers. The clamps include fixed brackets, left clamps, and right clamps. Upper and lower parts of the cover are respectively provided with a clamp, and only one side of the clip of each clamp can be unlocked, that is, only the left clip can rotate and be unlocked, or only the right clip can rotate and be unlocked. In this way, the upper and lower two clamps can only be unlocked one by one, which is very troublesome and reduces the use efficiency at the same time. Summary of the Invention

[0004] The technical problem to be solved by the present invention is to provide a loose-leaf notebook with clamps. The protrusion between the two half-rings of the locking type binding rings at both ends of the fixed bracket of the loose-leaf notebook can be inserted into or disengaged from the buckling groove through the access openings on both sides. Pressing one of the half-rings of the locking type binding rings at both ends with the index finger and thumb respectively can complete the unlocking, and unlocking with one hand can be achieved. Therefore, the two clamps can be unlocked simultaneously with both hands, which is very convenient and can improve the use efficiency.

[0005] The technical solution of the present invention is to provide a loose-leaf notebook with clamps having the following structure, including clamps and covers. The clamps include fixed brackets, and the fixed brackets are fixedly connected to the covers; locking type binding rings are provided at both ends of the fixed brackets, and clamping type binding rings are also provided on the fixed brackets. The two sides of the fixed brackets are respectively rotatably connected with a first rotating shaft and a second rotating shaft; The locking type binding rings include two half-rings. One ends of the two half-rings are respectively connected to the first rotating shaft and the second rotating shaft, and a locking structure is provided between the other ends of the two half-rings. The locking structure includes a protrusion and a buckling groove, and access openings are provided on both sides of the buckling groove. The protrusion can be inserted into the buckling groove through the access openings on both sides; The clamping type binding rings include a first clamping half-ring and a second clamping half-ring. One ends of the first clamping half-ring and the second clamping half-ring are respectively fixedly connected to the first rotating shaft and the second rotating shaft; the other ends of the first clamping half-ring and the second clamping half-ring are inserted into each other.

[0006] After adopting the above structure, the loose-leaf notebook with a clamp of the present invention has the following advantages compared with the prior art: Since access openings are provided on both sides of the fastening groove of the locking structure of the loose-leaf notebook with a clamp of the present invention, and the protrusion can be inserted into the fastening groove from the access openings on both sides, it is more flexible to use. Pressing one of the half rings of the locking type binding rings at both ends with the index finger and thumb respectively in opposite directions can disengage the two half rings of the locking type binding rings at both ends, thus completing the unlocking. It can be unlocked with one hand. Therefore, the two clamps of the loose-leaf notebook can be unlocked simultaneously with both hands, which is very convenient and can improve the usage efficiency. The clamping type binding ring can make the binding of the paper more stable. The other ends of the first clamping half ring and the second clamping half ring of the clamping type binding ring are inserted. When the locking type binding ring is unlocked, the clamping type binding ring can be easily untied, and the unlocking is more convenient.

[0007] As an improvement, the clamping type binding ring is located between the locking type binding rings at both ends, and at least one clamping type binding ring is provided. After adopting this structure, this design is more reasonable.

[0008] As an improvement, the locking type binding ring includes a first locking ring. The first locking ring includes a first locking half ring and a second locking half ring. One end of the first locking half ring is fixedly connected to the first rotating shaft, and one end of the second locking half ring is fixedly connected to the second rotating shaft; a fastening groove is provided on the lower surface of the other end of the first locking half ring, and a protrusion is provided on the upper surface of the other end of the second locking half ring. After adopting this structure, the structure is simple and the assembly is convenient.

[0009] As an improvement, a protrusion is also provided on the lower surface of the other end of the first locking half ring, and the protrusion is located outside the fastening groove at this end; correspondingly, a fastening groove is also provided on the upper surface of the other end of the second locking half ring, and the fastening groove is located inside the protrusion at this end; when the other ends of the first locking half ring and the second locking half ring are fastened, the fastening groove and the protrusion on one side are fastened to the protrusion and the fastening groove on the other side in a one-to-one correspondence. After adopting this structure, the locking effect of the first locking ring is better.

[0010] As an improvement, the locking binding ring includes a second locking ring, and the second locking ring includes a third locking half-ring and a fourth locking half-ring. One end of the third locking half-ring is fixedly connected to the first rotating shaft, and one end of the fourth locking half-ring is fixedly connected to the second rotating shaft; a fastening groove is provided on the upper surface of the other end of the third locking half-ring, and a protrusion is provided on the lower surface of the other end of the fourth locking half-ring. After adopting this structure, the first rotating shaft and the structures thereon on both sides of the fixture can be the same as the second rotating shaft and the structures thereon, and a set of molds can be shared for manufacturing and production, effectively saving production costs.

[0011] As an improvement, a protrusion is also provided on the upper surface of the other end of the third locking half-ring, and the protrusion is located outside the fastening groove at this end; correspondingly, a fastening groove is also provided on the upper surface of the other end of the fourth locking half-ring, and the fastening groove is located inside the protrusion at this end; when the other end of the third locking half-ring and the other end of the fourth locking half-ring are fastened, the fastening groove and the protrusion on one side are fastened to the protrusion and the fastening groove on the other side in a one-to-one correspondence. After adopting this structure, the locking effect of the second locking ring is better.

[0012] As an improvement, a guiding surface is provided on one side of the access port close to the fastening groove. After adopting this structure, under the action of the guiding surface, it is smoother for the protrusion to be inserted into the fastening groove from the access port, and it is more convenient to use.

[0013] As an improvement, a first connection groove and a second connection groove are respectively provided on both sides of the fixed bracket, a first fastening structure is provided in the first connection groove, and a second fastening structure is provided in the second connection groove; the first rotating shaft is installed in the first connection groove and is rotatably fastened to the first fastening structure, and the second rotating shaft is installed in the second connection groove and is rotatably fastened to the second fastening structure. After adopting this structure, the assembly structure between the first rotating shaft and the second rotating shaft and the first connection groove and the second connection groove is simple and convenient to assemble.

[0014] As an improvement, the first connecting groove is "L"-shaped. The first buckling structure includes a first bracket and a first pressing plate. A first arc-shaped groove matching the outer peripheral wall of the first rotating shaft is provided on the first bracket. One side of the first pressing plate is connected to the side wall of the first connecting groove. One side of the first rotating shaft is embedded in the first arc-shaped groove, and the first pressing plate presses on the other side of the first rotating shaft; or / and the second connecting groove is "L"-shaped. The second buckling structure includes a second bracket and a second pressing plate. A second arc-shaped groove matching the outer peripheral wall of the second rotating shaft is provided on the second bracket. One side of the second pressing plate is connected to the side wall of the second connecting groove. One side of the second rotating shaft is embedded in the second arc-shaped groove, and the second pressing plate presses on the other side of the second rotating shaft. After adopting this structure, the first rotating shaft is buckled by the first bracket and the first pressing plate, and the second rotating shaft is buckled by the second bracket and the second pressing plate. The structure is simple, the assembly is convenient, and it can rotate flexibly.

[0015] As an improvement, a first limiting groove is provided on the side wall of the first rotating shaft, and the first pressing plate is embedded in the first limiting groove; or / and a second limiting groove is provided on the side wall of the second rotating shaft, and the second pressing plate is embedded in the second limiting groove. After adopting this structure, the first limiting groove can limit the first pressing plate, and the second limiting groove can limit the second pressing plate. The assembled structure is stable and reliable.

[0016] As an improvement, a first rotation limiting groove is provided on the side wall of the first rotating shaft, and a first convex block is provided on the side wall of the first connecting groove. The first convex block is fitted in the first rotation limiting groove. When the locking type binding ring is closed, the first convex block abuts against the side wall of the first rotation limiting groove; or / and a second rotation limiting groove is provided on the side wall of the second rotating shaft, and a second convex block is provided on the side wall of the second connecting groove. The second convex block is fitted in the second rotation limiting groove. When the locking type binding ring is closed, the second convex block abuts against the side wall of the second rotation limiting groove. After adopting this structure, when the locking type binding ring is closed, the first convex block can limit the first rotating shaft, and the second convex block can limit the second rotating shaft, preventing the half-ring from rotating too far.

[0017] As an improvement, a plug-in portion or / and a plug-in groove is provided on the end face of the other end of the first clamping half-ring. Correspondingly, a plug-in groove or / and a plug-in portion is provided on the end face of the other end of the second clamping half-ring. The plug-in portion is embedded in the corresponding plug-in groove. After adopting this structure, the structure is simple and the matching effect is good.

[0018] As an improvement, a first through hole is provided at a position on the cover corresponding to the clamping type binding ring. The first through hole penetrates the spine of the cover. One end of the first through hole extends to the front cover surface of the cover, and the other end of the first through hole extends to the rear cover surface of the cover. The first half ring and the second half ring are buckled after passing through the first through hole; a second through hole is provided at a position on the cover corresponding to the clamping type binding ring. The second through hole penetrates the spine of the cover. One end of the second through hole extends to the front cover surface of the cover, and the other end of the second through hole extends to the rear cover surface of the cover. The first clamping half ring and the second clamping half ring are buckled after passing through the second through hole. After adopting this structure, the cooperation between the cover and the fixture is relatively compact.

[0019] As an improvement, first limiting bumps are provided on the inner walls at both ends of the first through hole. When the first half ring and the second half ring are buckled, the first limiting bumps at both ends are respectively located inside the first half ring and the second half ring; or / and second limiting bumps are provided on the inner walls at both ends of the second through hole. When the first clamping half ring and the second clamping half ring are buckled, the second limiting bumps at both ends are respectively located inside the first clamping half ring and the second clamping half ring. After adopting this structure, the limiting effect of the first limiting bumps on the first half ring and the second half ring, and the limiting effect of the second limiting bumps on the first clamping half ring and the second clamping half ring prevent the cover from being blown up in the buckled state.

[0020] As an improvement, the fixed bracket is fixedly connected to the inner side of the spine, or the fixed bracket is fixedly connected to the outer side of the spine; fixing columns are provided at both ends of the fixed bracket, and fixing holes are provided at positions on the spine corresponding to the fixing columns. The fixing columns at both ends are fixedly connected to the two fixing holes in a one-to-one correspondence. After adopting this structure, the assembly structure between the fixed bracket and the spine is simple and convenient for assembly.

[0021] As an improvement, at least one positioning column is provided on the fixed bracket, and positioning holes are provided at positions on the spine corresponding to the positioning column. The positioning column is embedded in the corresponding positioning hole. After adopting this structure, the positioning column and the positioning hole can play a positioning role for the fixed bracket and the spine, and the installation is relatively stable and reliable. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 is a three-dimensional structural schematic diagram of the loose-leaf notebook with a fixture according to the present invention; Figure 2 is a three-dimensional structural schematic diagram of the fixture of the loose-leaf notebook with a fixture according to the present invention; Figure 3Schematic three-dimensional structure diagram of the clamp (open state) of the loose-leaf notebook with a clamp according to the present invention; Figure 4 Schematic three-dimensional structure diagram of the second rotating shaft of the loose-leaf notebook with a clamp according to the present invention; Figure 5 Schematic three-dimensional structure diagram of the second rotating shaft of the loose-leaf notebook with a clamp according to the present invention from another angle; Figure 6 Schematic three-dimensional structure diagram of the fixing bracket of the loose-leaf notebook with a clamp according to the present invention; Figure 7 Schematic three-dimensional structure diagram of the loose-leaf notebook with a clamp according to the present invention (expanded state); Figure 8 is Figure 7 Schematic enlarged structure diagram of part A in

[0023] As shown in the figure: 1. Fixing bracket, 101. Fixing column, 102. Limiting cap, 103. Positioning column, 104. First connection groove, 105. Second connection groove, 106. First rotating shaft, 107. Second rotating shaft, 108. First bracket, 109. First pressing plate, 110. First arc groove, 111. First limiting groove, 112. First rotation limiting groove, 113. First convex block, 114. Second bracket, 115. Second pressing plate, 116. Second arc groove, 117. Second limiting groove, 118. Second rotation limiting groove, 119. Second convex block, 2. Cover, 201. Spine, 202. Fixing hole, 203. Positioning hole, 204. First through hole, 205. Front covering surface, 206. Rear covering surface, 207. Second through hole, 208. First limiting bump, 209. Second limiting bump, 3. First locking ring, 301. First locking half-ring, 302. Second locking half-ring, 4. Locking structure, 401. Protrusion, 402. Buckling groove, 403. Access port, 404. Guide surface, 5. Second locking ring, 501. Third locking half-ring, 502. Fourth locking half-ring, 6. Clamping type binding ring, 601. First clamping half-ring, 602. Second clamping half-ring, 603. Insertion part, 604. Insertion groove. Detailed implementation manners

[0024] To better understand the present application, more detailed descriptions of various aspects of the present application will be made with reference to the accompanying drawings. It should be understood that these detailed descriptions are only descriptions of the exemplary embodiments of the present application, and do not limit the scope of the present application in any way. Throughout the specification, the same reference numerals refer to the same elements.

[0025] In the drawings, for the sake of clarity, the thickness, dimensions and shapes of the objects have been slightly exaggerated. The drawings are only examples and are not drawn to strict scale.

[0026] It should also be understood that the terms "comprising", "including", "having", and "containing", when used in this specification, denote the presence of the stated features, integers, steps, operations, elements, and / or components, but do not preclude the presence or addition of one or more other features, integers, steps, operations, elements, components, and / or combinations thereof.

[0027] As Figures 1 to 8 shown, the present invention discloses a loose-leaf notebook with a fixture, which includes a fixture and a cover 2. The fixture is fixedly installed on the cover 2. The fixture can be an integral body or can be divided into two. The two fixtures are respectively provided at both ends of the spine 201 of the cover 2. In this specific embodiment, there are two fixtures.

[0028] The fixture includes a fixed bracket 1. The fixed bracket 1 is fixedly connected to the cover 2. The fixed bracket 1 is fixedly connected to the inner side of the spine 201, or the fixed bracket 1 is fixedly connected to the outer side of the spine 201. In this specific embodiment, the fixed bracket 1 is fixedly connected to the outer side of the spine 201. Both ends of the fixed bracket 1 are provided with fixing posts 101. At the positions corresponding to the fixing posts 101 on the spine 201, there are fixing holes 202. The two fixing posts 101 at both ends are fixedly connected to the two fixing holes 202 in a one-to-one correspondence. The end of the fixing post 101 is provided with a limiting cap 102. The limiting cap 102 is limited to the inner side of the spine 201 to prevent the fixing post 101 from disengaging from the fixing hole 202.

[0029] On the side of the fixed bracket 1 close to the spine 201, there is at least one positioning post 103. At the position corresponding to the positioning post 103 on the spine 201, there is a positioning hole 203. The positioning post 103 is embedded in the corresponding positioning hole 203. The positioning post 103 is located between the fixing posts 101 at both ends, and the fixing posts 101 are arranged uniformly in the length direction of the fixed bracket 1. In this specific embodiment, there are 2 fixing posts 101, and correspondingly, there are also 2 positioning holes 203.

[0030] On both sides of the fixed bracket 1, there are respectively a first connection groove 104 and a second connection groove 105. A first buckling structure is arranged in the first connection groove 104, and a second buckling structure is arranged in the second connection groove 105. The first rotating shaft 106 is installed in the first connection groove 104 and is rotatably buckled with the first buckling structure. The second rotating shaft 107 is installed in the second connection groove 105 and is rotatably buckled with the second buckling structure.

[0031] Both sides of the first rotating shaft 106 are flat surfaces, and the bottom is an arc surface. The first connecting groove 104 is "L"-shaped. The first fastening structure includes a first bracket 108 and a first pressing plate 109. A first arc groove 110 matching the outer peripheral wall of the first rotating shaft 106 is provided on the first bracket 108. One side of the first pressing plate 109 is connected to the side wall of the first connecting groove 104. One side of the first rotating shaft 106 is embedded in the first arc groove 110, and the first pressing plate 109 presses on the other side of the first rotating shaft 106.

[0032] A first limiting groove 111 is provided on the side wall of the first rotating shaft 106, and the first pressing plate 109 is embedded in the first limiting groove 111. The bottom of the first limiting groove 111 is an arc surface, and the first pressing plate 109 presses on the bottom of the first limiting groove 111. The arc surface at the bottom of the first limiting groove 111 enables the first rotating shaft 106 to rotate without being affected. A first rotation limiting groove 112 is provided on the side wall of the first rotating shaft 106, and a first convex block 113 is provided on the side wall of the first connecting groove 104. The first convex block 113 is fitted in the first rotation limiting groove 112. When the locking type binding ring is closed, the first convex block 113 abuts against the side wall of the first rotation limiting groove 112.

[0033] Both sides of the second rotating shaft 107 are flat surfaces, and the bottom is an arc surface. The second connecting groove 105 is "L"-shaped. The second fastening structure includes a second bracket 114 and a second pressing plate 115. A second arc groove 116 matching the outer peripheral wall of the second rotating shaft 107 is provided on the second bracket 114. One side of the second pressing plate 115 is connected to the side wall of the second connecting groove 105. One side of the second rotating shaft 107 is embedded in the second arc groove 116, and the second pressing plate 115 presses on the other side of the second rotating shaft 107.

[0034] A second limiting groove 117 is provided on the side wall of the second rotating shaft 107, and the second pressing plate 115 is embedded in the second limiting groove 117. The bottom of the second limiting groove 117 is an arc surface, and the second pressing plate 115 presses on the bottom of the second limiting groove 117. The arc surface at the bottom of the second limiting groove 117 enables the second rotating shaft 107 to rotate without being affected. A second rotation limiting groove 118 is provided on the side wall of the second rotating shaft 107, and a second convex block 119 is provided on the side wall of the second connecting groove 105. The second convex block 119 is fitted in the second rotation limiting groove 118. When the locking type binding ring is closed, the second convex block 119 abuts against the side wall of the second rotation limiting groove 118.

[0035] Both ends of the fixed bracket 1 are provided with locking binding rings. In this specific embodiment, one such locking binding ring is provided at each end of the fixed bracket 1.

[0036] The locking binding ring includes a first locking ring 3. The first locking ring 3 includes a first locking half-ring 301 and a second locking half-ring 302. One end of the first locking half-ring 301 is fixedly connected to the plane outside the first rotating shaft 106. One end of the second locking half-ring 302 is fixedly connected to the second rotating shaft 107, and one end of the second locking half-ring 302 is fixedly connected to the plane outside the second rotating shaft 107. A locking structure 4 is provided between the other ends of the first locking half-ring 301 and the second locking half-ring 302.

[0037] The locking structure 4 includes a protrusion 401 and a buckling groove 402. Both sides of the buckling groove 402 are provided with access ports 403. The protrusion 401 can be inserted into the buckling groove 402 from the access ports 403 on both sides. A guiding surface 404 is provided on one side of the access port 403 close to the buckling groove 402. The guiding surface 404 is an inclined surface, and the protrusion 401 can smoothly slide into the buckling groove 402 under the action of the guiding surface 404.

[0038] The buckling groove 402 is provided on the lower surface of the other end of the first locking half-ring 301, and the protrusion 401 is provided on the upper surface of the other end of the second locking half-ring 302. The protrusion 401 is also provided on the lower surface of the other end of the first locking half-ring 301, and the protrusion 401 is located outside the buckling groove 402 at this end; correspondingly, the buckling groove 402 is also provided on the upper surface of the other end of the second locking half-ring 302, and the buckling groove 402 is located inside the protrusion 401 at this end; when the other ends of the first locking half-ring 301 and the second locking half-ring 302 are buckled, the buckling groove 402 and the protrusion 401 on one side and the protrusion 401 and the buckling groove 402 on the other side are buckled in one-to-one correspondence.

[0039] The locking binding ring includes a second locking ring 5. The second locking ring 5 includes a third locking half-ring 501 and a fourth locking half-ring 502. One end of the third locking half-ring 501 is fixedly connected to the plane outside the first rotating shaft 106. One end of the fourth locking half-ring 502 is fixedly connected to the second rotating shaft 107, and one end of the fourth locking half-ring 502 is fixedly connected to the plane outside the second rotating shaft 107. A locking structure 4 is provided between the other ends of the third locking half-ring 501 and the fourth locking half-ring 502.

[0040] The upper surface of the other end of the third locking half-ring 501 is provided with the buckling groove 402, and the lower surface of the other end of the fourth locking half-ring 502 is provided with the protrusion 401. The upper surface of the other end of the third locking half-ring 501 is also provided with the protrusion 401, and the protrusion 401 is located outside the buckling groove 402 at this end; correspondingly, the upper surface of the other end of the fourth locking half-ring 502 is also provided with the buckling groove 402, and the buckling groove 402 is located inside the protrusion 401 at this end; when the other end of the third locking half-ring 501 and the other end of the fourth locking half-ring 502 are buckled, the buckling groove 402 and the protrusion 401 on one side are buckled with the protrusion 401 and the buckling groove 402 on the other side in one-to-one correspondence.

[0041] The fixing bracket 1 is further provided with a clamping-type binding ring 6, and the clamping-type binding ring 6 is located between the locking-type binding rings at both ends. There is at least one clamping-type binding ring 6. In this specific embodiment, there is one clamping-type binding ring 6.

[0042] The clamping-type binding ring 6 includes a first clamping half-ring 601 and a second clamping half-ring 602. One end of the first clamping half-ring 601 and one end of the second clamping half-ring 602 are respectively fixedly connected to the outer plane of the first rotating shaft 106 and the outer plane of the second rotating shaft 107. The other ends of the first clamping half-ring 601 and the second clamping half-ring 602 are inserted into each other.

[0043] The end face of the other end of the first clamping half-ring 601 is provided with a plugging portion 603 and a plugging groove 604. Correspondingly, the end face of the other end of the second clamping half-ring 602 is provided with a plugging groove 604 and a plugging portion 603, and the plugging portion 603 is embedded in the corresponding plugging groove 604.

[0044] A first through hole 204 is provided at a position on the cover 2 corresponding to the clamping-type binding ring 6. The first through hole 204 penetrates the spine 201 of the cover 2. One end of the first through hole 204 extends to the front covering surface 205 of the cover 2, and the other end of the first through hole 204 extends to the rear covering surface 206 of the cover 2. The first half-ring and the second half-ring are buckled after passing through the first through hole 204; a second through hole 207 is provided at a position on the cover 2 corresponding to the clamping-type binding ring 6. The second through hole 207 penetrates the spine 201 of the cover 2. One end of the second through hole 207 extends to the front covering surface 205 of the cover 2, and the other end of the second through hole 207 extends to the rear covering surface 206 of the cover 2. The first clamping half-ring 601 and the second clamping half-ring 602 are buckled after passing through the second through hole 207.

[0045] On the inner walls at both ends of the first through hole 204, first limiting bumps are provided. When the first half ring and the second half ring are buckled, the first limiting bumps at both ends are respectively located inside the first half ring and the second half ring. On the inner walls at both ends of the second through hole 207, second limiting bumps are provided. When the first clamping half ring 601 and the second clamping half ring 602 are buckled, the second limiting bumps at both ends are respectively located inside the first clamping half ring 601 and the second clamping half ring 602.

[0046] When the loose-leaf notebook disclosed by the present invention is in use, the thumb and the index finger simultaneously hold one of the half rings of the first locking ring 3 and one of the half rings of the second locking ring 5 at the upper and lower ends of a clamp, and then force in opposite directions simultaneously. The half rings of the first locking ring 3 and the half rings of the second locking ring 5 will approach each other. After moving a certain distance, the protrusions 401 and the buckling grooves 402 of the first locking ring 3 and the protrusions 401 and the buckling grooves 402 of the second locking ring 5 will be disengaged from each other. During the process of opening the first locking ring 3 and the second locking ring 5, the clamping type binding rings 6 can be simultaneously unlocked, and the unlocking is easy and convenient. Both hands can simultaneously unlock the upper and lower two clamps of the loose-leaf notebook, and the use is very convenient and efficient.

[0047] The present invention is not limited to the above-mentioned best implementation manner. Any person can obtain other various forms of products under the inspiration of the present invention. However, no matter what changes are made in its shape or structure, as long as it has a technical solution identical or similar to that of the present application, it falls within the protection scope of the present invention.

Claims

1. A loose-leaf notebook with a clamp, comprising a clamp and a cover (2), wherein the clamp includes a fixed bracket (1), and the fixed bracket (1) is fixedly connected to the cover (2); locking-type binding rings are provided at both ends of the fixed bracket (1), and the characteristics are as follows: The described fixing bracket (1) is also provided with a clamping type binding ring (6). The two sides of the fixing bracket (1) are respectively rotatably connected with a first rotating shaft (106) and a second rotating shaft (107); The locking type binding ring includes two half rings. One ends of the two half rings are respectively connected to the first rotating shaft (106) and the second rotating shaft (107). A locking structure (4) is provided between the other ends of the two half rings. The locking structure (4) includes a protrusion (401) and a buckling groove (402). Entrance openings (403) are provided on both sides of the buckling groove (402). The protrusion (401) can be inserted into the buckling groove (402) from the entrance openings (403) on both sides; The clamping type binding ring (6) includes a first clamping half ring (601) and a second clamping half ring (602). One end of the first clamping half ring (601) and one end of the second clamping half ring (602) are respectively fixedly connected to the first rotating shaft (106) and the second rotating shaft (107); The other ends of the first clamping half ring (601) and the second clamping half ring (602) are inserted into each other.

2. The loose-leaf notebook with a clamp according to claim 1, characterized in that: The clamping type binding ring (6) is located between the locking type binding rings at both ends, and at least one clamping type binding ring (6) is provided.

3. The loose-leaf notebook with a clamp according to claim 1, characterized in that: The locking type binding ring includes a first locking ring (3). The first locking ring (3) includes a first locking half ring (301) and a second locking half ring (302). One end of the first locking half ring (301) is fixedly connected to the first rotating shaft (106), and one end of the second locking half ring (302) is fixedly connected to the second rotating shaft (107); The buckling groove (402) is provided on the lower surface of the other end of the first locking half ring (301), and the protrusion (401) is provided on the upper surface of the other end of the second locking half ring (302).

4. The loose-leaf notebook with a clamp according to claim 3, wherein: The protrusion (401) is also provided on the lower surface of the other end of the first locking half ring (301), and the protrusion (401) is located outside the buckling groove (402) at this end; Correspondingly, the buckling groove (402) is also provided on the upper surface of the other end of the second locking half ring (302), and the buckling groove (402) is located inside the protrusion (401) at this end; When the other ends of the first locking half ring (301) and the second locking half ring (302) are buckled, the buckling groove (402) and the protrusion (401) on one side and the protrusion (401) and the buckling groove (402) on the other side are buckled in one-to-one correspondence.

5. The loose-leaf notebook with a clamp according to claim 3 or 4, characterized in that: The described locking binding ring includes a second locking ring (5), and the second locking ring (5) includes a third locking half-ring (501) and a fourth locking half-ring (502). One end of the third locking half-ring (501) is fixedly connected to the first rotating shaft (106), and one end of the fourth locking half-ring (502) is fixedly connected to the second rotating shaft (107); on the upper surface of the other end of the third locking half-ring (501), there is provided the buckling groove (402), and on the lower surface of the other end of the fourth locking half-ring (502), there is provided the protrusion (401).

6. The loose-leaf notebook with a clamp according to claim 5, characterized in that: On the upper surface of the other end of the third locking half-ring (501), there is also provided the protrusion (401), and the protrusion (401) is located outside the buckling groove (402) at this end; correspondingly, on the upper surface of the other end of the fourth locking half-ring (502), there is also provided the buckling groove (402), and the buckling groove (402) is located inside the protrusion (401) at this end; when the other end of the third locking half-ring (501) and the other end of the fourth locking half-ring (502) are buckled, the buckling groove (402) and the protrusion (401) on one side are buckled with the protrusion (401) and the buckling groove (402) on the other side in one-to-one correspondence.

7. The loose-leaf notebook with a clamp according to any one of claims 1 to 4 and 6, characterized in that: On one side of the access port (403) close to the buckling groove (402), there is provided a guiding surface (404).

8. The loose-leaf notebook with a clamp according to claim 1, characterized in that: On both sides of the fixed bracket (1), there are respectively provided a first connection groove (104) and a second connection groove (105). Inside the first connection groove (104), there is provided a first buckling structure, and inside the second connection groove (105), there is provided a second buckling structure; the first rotating shaft (106) is installed in the first connection groove (104) and is rotatably buckled with the first buckling structure, and the second rotating shaft (107) is installed in the second connection groove (105) and is rotatably buckled with the second buckling structure.

9. The loose-leaf notebook with a clamp according to claim 8, characterized in that: The first connecting groove (104) is in an "L" shape. The first buckling structure includes a first bracket (108) and a first pressing plate (109). A first arc-shaped groove (110) matching the outer peripheral wall of the first rotating shaft (106) is provided on the first bracket (108). One side of the first pressing plate (109) is connected to the side wall of the first connecting groove (104). One side of the first rotating shaft (106) is embedded in the first arc-shaped groove (110), and the first pressing plate (109) presses on the other side of the first rotating shaft (106); or / and the second connecting groove (105) is in an "L" shape. The second buckling structure includes a second bracket (114) and a second pressing plate (115). A second arc-shaped groove (116) matching the outer peripheral wall of the second rotating shaft (107) is provided on the second bracket (114). One side of the second pressing plate (115) is connected to the side wall of the second connecting groove (105). One side of the second rotating shaft (107) is embedded in the second arc-shaped groove (116), and the second pressing plate (115) presses on the other side of the second rotating shaft (107).

10. The loose-leaf notebook with a clamp according to claim 9, characterized in that: A first limiting groove (111) is provided on the side wall of the first rotating shaft (106), and the first pressing plate (109) is embedded in the first limiting groove (111); or / and a second limiting groove (117) is provided on the side wall of the second rotating shaft (107), and the second pressing plate (115) is embedded in the second limiting groove (117).

11. The loose-leaf notebook with a clamp according to claim 9, characterized in that: A first rotation limiting groove (112) is provided on the side wall of the first rotating shaft (106), and a first convex block (113) is provided on the side wall of the first connecting groove (104). The first convex block (113) is fitted in the first rotation limiting groove (112). When the locking type binding ring is closed, the first convex block (113) abuts against the side wall of the first rotation limiting groove (112); or / and a second rotation limiting groove (118) is provided on the side wall of the second rotating shaft (107), and a second convex block (119) is provided on the side wall of the second connecting groove (105). The second convex block (119) is fitted in the second rotation limiting groove (118). When the locking type binding ring is closed, the second convex block (119) abuts against the side wall of the second rotation limiting groove (118).

12. The loose-leaf notebook with a clamp according to claim 1, characterized in that: A plug-in portion (603) or / and a plug-in groove (604) is provided on the end face of the other end of the first clamping half-ring (601). Correspondingly, a plug-in groove (604) or / and a plug-in portion (603) is provided on the end face of the other end of the second clamping half-ring (602). The plug-in portion (603) is embedded in the corresponding plug-in groove (604).

13. The loose-leaf notebook with a clamp according to claim 1, characterized in that: A first through hole (204) is provided at a position on the cover (2) corresponding to the clamping type binding ring (6). The first through hole (204) penetrates through the spine (201) of the cover (2). One end of the first through hole (204) extends to the front covering surface (205) of the cover (2), and the other end of the first through hole (204) extends to the rear covering surface (206) of the cover (2). The first half ring and the second half ring are buckled after passing through the first through hole (204); a second through hole (207) is provided at a position on the cover (2) corresponding to the clamping type binding ring (6). The second through hole (207) penetrates through the spine (201) of the cover (2). One end of the second through hole (207) extends to the front covering surface (205) of the cover (2), and the other end of the second through hole (207) extends to the rear covering surface (206) of the cover (2). The first clamping half ring (601) and the second clamping half ring (602) are buckled after passing through the second through hole (207).

14. The loose-leaf notebook with a clamp according to claim 13, wherein: First limiting bumps (208) are provided on the inner walls at both ends of the first through hole (204). When the first half ring and the second half ring are buckled, the first limiting bumps (208) at both ends are respectively located inside the first half ring and the second half ring; or / and second limiting bumps (209) are provided on the inner walls at both ends of the second through hole (207). When the first clamping half ring (601) and the second clamping half ring (602) are buckled, the second limiting bumps (209) at both ends are respectively located inside the first clamping half ring (601) and the second clamping half ring (602).

15. The loose-leaf notebook with a clamp according to claim 1, wherein: The fixing bracket (1) is fixedly connected to the inner side of the spine (201), or the fixing bracket (1) is fixedly connected to the outer side of the spine (201); fixing columns (101) are provided at both ends of the fixing bracket (1). Fixing holes (202) are provided at positions on the spine (201) corresponding to the fixing columns (101). The fixing columns (101) at both ends are fixedly connected to the two fixing holes (202) in a one-to-one correspondence manner.

16. The loose-leaf notebook with a clamp according to claim 15, characterized in that: At least one positioning column (103) is provided on the fixing bracket (1). A positioning hole (203) is provided at a position on the spine (201) corresponding to the positioning column (103). The positioning column (103) is embedded in the corresponding positioning hole (203).

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