Loose-leaf notebook

Abstract

The utility model provides a loose-leaf notebook which comprises a front plate sheet, a rear plate sheet, a soft and hard back ridge and a clamp, the soft and hard back ridge comprises a hard back ridge hard body and soft hinge soft bodies, the two sides of the back ridge hard body are respectively provided with one hinge soft body, and the two hinge soft bodies are respectively connected with the front plate sheet and the rear plate sheet. According to the loose-leaf notebook, the soft and hard materials of the soft and hard back ridge are combined, the loose-leaf notebook and the soft and hard back ridge can be easily unfolded or bent, so that the loose-leaf notebook can be smoothly opened or closed, and the front plate sheet and the rear plate sheet can be completely flattened when being opened and can also be folded and flattened when being closed; according to the loose-leaf notebook, the back hard body is arranged, and when the loose-leaf notebook is closed, the back hard body is supported between the front plate sheet and the rear plate sheet, so that the front plate sheet, the rear plate sheet and the back hard body form a stable three-edge structure, the three-edge structure can be vertically arranged on a table top, and the loose-leaf notebook can be vertically stored conveniently.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of stationery, more exactly relates to a loose-leaf notebook. BACKGROUND

[0002] The currently marketed loose-leaf notebook is generally made of hard material by integral molding, and the back ridge is connected with the front and back covers through the hinge formed by bending, since the hard material of the cover has certain toughness, the cover opening or closing has certain resistance, and the front and back covers will be raised to a certain degree when opening or closing, which cannot be completely flattened when opening, and cannot be neatly folded when closing, and the user experience is poor. UTILITY MODEL CONTENT

[0003] The utility model solves the technical problem to provide a loose-leaf notebook, the back ridge of the cover can be easily bent between the front and back covers, the cover opening or closing operation is smooth and unblocked, and the front and back covers can be completely flattened when opening, and the front and back covers can be neatly folded when closing.

[0004] The technical solution of the utility model is to provide a loose-leaf notebook, which comprises a front plate piece, a rear plate piece, a soft and hard back ridge and a clamp, the soft and hard back ridge comprises a hard back ridge hard body and a soft hinge soft body, one hinge soft body is arranged on each side of the back ridge hard body, and the two hinge soft bodies are connected with the front plate piece and the rear plate piece respectively.

[0005] Compared with the prior art, the loose-leaf notebook has the following advantages: the hinge soft body is arranged between the back ridge hard body and the front and rear plate pieces, so that when the front or rear plate piece is opened, the hinge soft body can be easily unfolded, and when the front or rear plate piece is closed, the hinge soft body can be easily bent, so that the loose-leaf notebook of the utility model can be opened or closed smoothly and unblocked, and the front and rear plate pieces can be completely flattened when opening, and can be neatly folded when closing; by arranging the back ridge hard body, the back ridge hard body supports between the front and rear plate pieces when the loose-leaf notebook is closed, so that the front and rear plate pieces and the back ridge hard body form a stable three-edge structure, which can be vertically erected on the table top, and the loose-leaf notebook can be vertically stored.

[0006] Preferably, the soft and hard back ridge further comprises a hard plate piece connecting hard body, the two plate piece connecting hard bodies are arranged on the two hinge soft bodies respectively, and are used for connecting the front and rear plate pieces respectively. By adopting this structure, the front and rear plate pieces can be directly connected by the plate piece connecting hard body, so that the connection between the soft and hard back ridge and the front and rear plate pieces can be ensured to be reliable.

[0007] Preferably, the width of the back ridge hard body is not less than 3 cm, the width of the hinge soft body is not less than 1 cm, and the width of the plate connecting hard body is not less than 1.5 cm. With this structure, the width of the back ridge hard body is set to meet the thickness specifications of the commonly used folders, and the connection firmness between the back ridge hard body and the hinge soft body can be increased, because if the width of the back ridge hard body is too small, the thickness-to-width ratio is too large, and the thickness change at the connection between the back ridge hard body and the hinge soft body is too steep, which can cause the connection to be easily broken; the width of the hinge soft body is set to ensure that the hinge soft body can be smoothly bent and unfolded, and to avoid the stress being too large when the hinge soft body is bent and cracked; and the width of the plate connecting hard body can ensure that the plate connecting hard body has sufficient connection area with the front plate and the back plate, and avoid the disconnection between different materials when the folder is turned.

[0008] Preferably, the soft and hard back ridge composed of the back ridge hard body, the plate connecting hard body, and the hinge soft body is an integrated structure. With this structure, the back ridge hard body, the plate connecting hard body, and the hinge soft body can be extruded by an extruder using hard and soft materials, and the integrated structure can improve the production efficiency and reliably connect the parts of the soft and hard back ridge.

[0009] Preferably, the front plate and the back plate are respectively connected with the inner side of the corresponding plate connecting hard body. With this structure, when the front plate or the back plate is opened, the corresponding plate connecting hard body is pushed to turn outward, and the connection part between the front plate or the back plate and the corresponding plate connecting hard body is not torn apart; if the front plate and the back plate are respectively connected with the outer side of the corresponding plate connecting hard body, when the front plate or the back plate is opened, the connection part between the front plate or the back plate and the corresponding plate connecting hard body is subjected to a tearing force, which can easily tear the front plate or the back plate and the corresponding plate connecting hard body apart.

[0010] Preferably, at least one connecting rib is arranged on the inner side of the plate connecting hard body, and the connecting rib extends along the length direction of the plate connecting hard body; the front plate and the back plate are respectively connected with the connecting rib of the corresponding plate connecting hard body. With this structure, the connecting rib arranged on the plate connecting hard body is connected with the front plate or the back plate, and whether welding or bonding is used, the front plate or the back plate can be completely connected with the plate connecting hard body without being loosely connected.

[0011] Preferably, a limiting rib is arranged on the inner side of the plate connecting hard body, and the limiting rib is arranged along the length direction of the plate connecting hard body; the front plate and the back plate are respectively limited by the limiting rib of the corresponding plate connecting hard body. With this structure, the positions of the front plate and the back plate and the corresponding plate connecting hard body are limited, which facilitates the connection operation between the front plate and the back plate and the corresponding plate connecting hard body, and ensures that the connection is flat.

[0012] Preferably, a limiting rib and at least one connecting rib are arranged on the inner side of the plate connecting hardware, the limiting rib and the connecting rib extend along the length direction of the plate connecting hardware, the height of the limiting rib is greater than the height of the connecting rib, the front plate and the back plate are respectively limited by the limiting rib of the corresponding plate connecting hardware, and the front plate and the back plate are respectively in contact with and connected to the connecting rib of the corresponding plate connecting hardware. With the structure, the position between the front plate and the back plate and the corresponding plate connecting hardware is limited by the limiting rib, the connecting operation between the front plate and the back plate is facilitated, and the height of the limiting rib is greater than the height of the connecting rib, so that the connecting rib can be in full contact with the front plate or the back plate and be connected flat.

[0013] Preferably, at least one bending groove is arranged on the outer side of the hinge soft body, and the bending groove is arranged along the length direction of the back ridge hardware. With the structure, when the front plate or the back plate is closed, the hinge soft body is bent, the bending groove is turned outward, the outer side of the hinge soft body is prevented from being taut to cause the front plate and the back plate to be unable to be closed flat, when the front plate or the back plate is opened, the hinge soft body is unfolded, the bending groove is turned inward, and the outer side of the hinge soft body is prevented from being too loose to cause the front plate and the back plate to be unable to be fully unfolded.

[0014] Preferably, the clamp is arranged on the inner side of the back plate, and the clamp is connected to the back plate by a rivet. With the structure, the clamp is connected to the cover of the notebook in a simple structure and is easy to assemble. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 FIG. 1 is a structure schematic view of a notebook in an opened state according to the present application.

[0016] Figure 2 FIG. 2 is a structure schematic view of a notebook in a closed state according to the present application.

[0017] Figure 3 FIG. 3 is a structure schematic view of a back ridge of a cover of a notebook according to the present application.

[0018] As shown in the drawings: 1, front plate, 2, back plate, 3, soft and hard back ridge, 3-1, plate connecting hardware, 3-11, connecting rib, 3-12, limiting rib, 3-2, back ridge hardware, 3-3, hinge soft body, 3-31, bending groove, 4, clamp, 5, rivet, 6, notebook paper. DETAILED DESCRIPTION

[0019] In order to better understand the present application, various aspects of the present application will be described in more detail with reference to the accompanying drawings. It should be understood that these detailed descriptions are only descriptions of 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.

[0020] In the drawings, the thicknesses of the objects, the dimensions and the shapes of the objects have been slightly exaggerated for the sake of clarity. The drawings are merely schematic and are not drawn strictly to scale.

[0021] It should also be understood that the words "comprise", "have", "include" and "contain", when used in this specification, specify the presence of 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 groups thereof. Example 1

[0022] As shown in Figure 1 and Figure 2 The utility model discloses a loose-leaf notebook includes front sheet 1, rear sheet 2, soft and hard back 3 and clamp 4, clamp 4 sets up on the inner side of rear sheet 2, and clamp 4 is connected with rear sheet 2 using rivet 5, and the loose-leaf paper 6 is arranged on clamp 4.

[0023] As shown in Figure 3 The soft and hard back 3 includes hard back hard body 3-2 and sheet connecting hard body 3-1 and soft hinge soft body 3-3, and each of the two sides of back hard body 3-2 has a sheet connecting hard body 3-1, and the two sheet connecting hard bodies 3-1 are used for connecting front sheet 1 and rear sheet 2 respectively, and hinge soft body 3-3 is connected between sheet connecting hard body 3-1 and back hard body 3-2. Back hard body 3-2 and sheet connecting hard body 3-1 adopt polypropylene material (PP), and hinge soft body 3-3 adopts thermoplastic elastomer material (TPE), and the soft and hard back 3 is integrally formed by the two materials through extrusion machine, which is a soft and hard combined structure, the width of back hard body is 3cm, the width of hinge soft body is 1cm, and the width of sheet connecting hard body is 1.5cm.

[0024] A plurality of connecting ribs 3-11 are arranged on the inner side of sheet connecting hard body 3-1, and the connecting ribs 3-11 extend along the length direction of sheet connecting hard body 3-1; limit ribs 3-12 are arranged on the inner side of sheet connecting hard body 3-1, and the limit ribs 3-12 are also arranged along the length direction of sheet connecting hard body 3-1, and the height of limit rib 3-12 is greater than the height of connecting rib 3-11. The limit ribs 3-12 of the corresponding sheet connecting hard bodies 3-1 limit the side edges of front sheet 1 and rear sheet 2 respectively, and are aligned with the relative positions, so that the outer sides of front sheet 1 and rear sheet 2 are in contact with the connecting ribs 3-11 of the corresponding sheet connecting hard bodies 3-1 respectively, and then are connected together by welding.

[0025] At least one bending groove 3-31 is arranged on the outer side of the hinge soft body 3-3, and the bending groove 3-31 is arranged along the length direction of the back ridge hard body 3-2. When the front plate piece 1 or the back plate piece 2 is closed, the hinge soft body 3-3 is bent, and the bending groove 3-31 is turned outward, so that the outer side of the hinge soft body 3-3 is not too tight, and the front plate piece 1 and the back plate piece 2 cannot be closed flat; when the front plate piece 1 or the back plate piece 2 is opened, the hinge soft body 3-3 is unfolded, and the bending groove 3-31 is turned inward, so that the outer side of the hinge soft body 3-3 is not too loose and wrinkled, and the front plate piece 1 and the back plate piece 2 cannot be completely unfolded.

[0026] The soft and hard back ridge 3 is combined with soft and hard materials, can be easily bent or unfolded, so that the notebook of the utility model is smoothly opened or closed; and the front plate piece 1, the back plate piece 2 and the back ridge hard body 3-2 form a stable hard three-edge structure, so that the notebook of the utility model can be vertically placed on the table top, and the notebook is conveniently vertically stored. Embodiment 2

[0027] The notebook of the embodiment is different from the notebook of embodiment 1 in that the soft and hard back ridge 3 only includes the hard back ridge hard body 3-2 and the soft hinge soft body 3-3, and one hinge soft body 3-3 is arranged on each side of the back ridge hard body 3-2, and the two hinge soft bodies 3-3 are connected with the front plate piece 1 and the back plate piece 2 respectively. Thus, the soft and hard back ridge 3 of the embodiment is also combined with soft and hard materials, can be easily bent or unfolded, and the soft and hard back ridge 3 can also form a stable hard three-edge structure with the front plate piece 1 and the back plate piece 2, and can be vertically placed on the table top.

[0028] The above is only a specific embodiment of the utility model, and is not used to limit the implementation range of the utility model; if the utility model is modified or replaced, without departing from the spirit and range of the utility model, all should be covered in the protection range of the utility model claim.

Claims

1. A binder characterized by, The soft and hard back ridge (3) comprises a hard back ridge hard body (3-2) and a soft hinge soft body (3-3), and one hinge soft body (3-3) is arranged on each side of the back ridge hard body (3-2), and the two hinge soft bodies (3-3) are connected with the front plate piece (1) and the rear plate piece (2) respectively.

2. The notebook of claim 1, wherein The soft and hard back ridge (3) further comprises a hard plate piece connecting hard body (3-1), and two plate piece connecting hard bodies (3-1) are arranged on the two hinge soft bodies (3-3) respectively, and are used for connecting the front plate piece (1) and the rear plate piece (2) respectively.

3. The notebook of claim 2, wherein, The width of the back ridge hard body (3-2) is not less than 3 cm, the width of the hinge soft body (3-3) is not less than 1 cm, and the width of the plate piece connecting hard body (3-1) is not less than 1.5 cm.

4. The notebook of claim 2, wherein, The soft and hard back ridge (3) composed of the back ridge hard body (3-2), the plate piece connecting hard body (3-1) and the hinge soft body (3-3) is an integral molding structure.

5. The notebook of claim 2, wherein, The front plate piece (1) and the rear plate piece (2) are connected with the inner side of the corresponding plate piece connecting hard body (3-1) respectively.

6. The notebook of claim 5, wherein, At least one connecting rib (3-11) is arranged on the inner side of the plate piece connecting hard body (3-1), and the connecting rib (3-11) extends along the length direction of the plate piece connecting hard body (3-1); the front plate piece (1) and the rear plate piece (2) are in contact with and connected with the connecting rib (3-11) of the corresponding plate piece connecting hard body (3-1) respectively.

7. The notebook of claim 5 wherein, A limiting rib (3-12) is arranged on the inner side of the plate piece connecting hard body (3-1), and the limiting rib (3-12) is arranged along the length direction of the plate piece connecting hard body (3-1); the front plate piece (1) and the rear plate piece (2) are limited by the limiting rib (3-12) of the corresponding plate piece connecting hard body (3-1) respectively.

8. The notebook of claim 5, wherein, The limiting rib (3-12) and the connecting rib (3-11) are arranged on the inner side of the plate piece connecting hard body (3-1), the limiting rib (3-12) and the connecting rib (3-11) extend along the length direction of the plate piece connecting hard body (3-1), the height of the limiting rib (3-12) is greater than the height of the connecting rib (3-11); the front plate piece (1) and the rear plate piece (2) are limited by the limiting rib (3-12) of the corresponding plate piece connecting hard body (3-1) respectively, and the front plate piece (1) and the rear plate piece (2) are in contact with and connected with the connecting rib (3-11) of the corresponding plate piece connecting hard body (3-1) respectively.

9. The notebook of claim 1, wherein, At least one bending groove (3-31) is arranged on the outer side of the hinge soft body (3-3), and the bending groove (3-31) is arranged along the length direction of the back ridge hard body (3-2).

10. The notebook of claim 1, wherein The clamp (4) is arranged on the inner side of the rear plate piece (2), and the clamp (4) and the rear plate piece (2) are connected by a rivet (5).

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