Thickness-adjustable folder structure with envelope

Abstract

The utility model provides a thickness-adjustable folder structure with an envelope, which comprises a folder body, a clamping plate A, a clamping plate B and an elastic folding connecting part, a double-thread adjusting nut is arranged at the position, close to the elastic folding connecting part, between the clamping plate A and the clamping plate B. Threads opposite in thread direction are formed on the upper portion and the lower portion of an inner cavity of the double-thread adjusting nut. A screw A is arranged at the position, corresponding to the double-thread adjusting nut, of the clamping plate A, the top of the screw A is fixedly connected with the clamping plate A, and the lower portion of the screw A is in threaded connection with the double-thread adjusting nut; a screw B is arranged at the position, corresponding to the double-thread adjusting nut, of the clamping plate B, the bottom of the screw B is fixedly connected with the clamping plate B, and the upper portion of the screw B is connected with the double-thread adjusting nut; mounting convex grooves are formed in the two opposite side faces of the clamping plate B and the elastic folding connecting part, and adhesive film sealing sleeves are arranged in the mounting convex grooves in a connected mode. The sealing sleeves are arranged on the upper and lower sides, so that dust accumulation is avoided.

Description

Technical Field

[0001] The utility model relates to the technical field of file folders, in particular to a file folder structure with an adjustable thickness and a cover. Background Art

[0002] The Chinese authorization announcement number is CN220009270 U, and the authorization announcement date is November 14, 2023. It discloses a folder with adjustable thickness, including a folder body, including a clamping plate A, a clamping plate B, and an elastic connection part, and the two ends of the elastic connection part are respectively connected to the clamping plate A and the clamping plate B; an elastic tensioning structure is arranged in the folder body; the elastic tensioning structure includes an elastic drawstring and a double-hole plastic spring buckle, and the upper and lower parts of the clamping plate B are both provided with through holes for inserting the elastic drawstring, and the two ends of the elastic drawstring pass through the double-hole plastic spring buckle and penetrate the through holes to be fixedly connected with the upper and lower parts of the inner side surface of the clamping plate A; a file pocket is connected between the clamping plate A and the clamping plate B; a buckle is connected to the center of the outer side surface of the clamping plate B away from the elastic connection part, and a sub-buckle is arranged at the free end of the buckle, and a mother buckle corresponding to the buckle is arranged in the middle of the outer side surface of the clamping plate B. The elastic tensioning structure is arranged to simplify the overall structure of the folder, reduce the weight of the folder, and realize the function of adjustable thickness. The defect of the prior art is that in daily use, dust is easily accumulated on both sides of the folders that have been placed for a long time, so that they need to be cleaned every time they are taken out for use. Otherwise, dust falls on the surface of the file and causes the paper to discolor. In view of this situation, improvement is urgently needed. Utility Model Content

[0003] Based on this, the purpose of the utility model is to provide a file folder structure with an adjustable thickness and a cover, wherein covers are provided on both the upper and lower sides to prevent dust accumulation and facilitate operation.

[0004] The utility model provides a file folder structure with adjustable thickness and an envelope, comprising a file folder body, comprising an A clamping plate, a B clamping plate, and an elastic folding connection part, wherein the two ends of the elastic folding connection part are respectively connected to the A clamping plate and the B clamping plate; a double-threaded adjustment nut is arranged between the A clamping plate and the B clamping plate at a position close to the elastic folding connection part, and threads arranged in opposite directions are formed at the upper and lower parts of the inner cavity of the double-threaded adjustment nut; a screw A is arranged at a position corresponding to the A clamping plate and the double-threaded adjustment nut, the top of the screw A is fixedly connected to the A clamping plate, and the lower part of the screw A is threadedly connected to the double-threaded adjustment nut; the B clamping plate is connected to the double-threaded adjustment nut A screw B is provided at a position corresponding to the adjusting nut, the bottom of the screw B is fixedly connected to the B clamping plate, and the upper part of the screw B is connected to the double-threaded adjusting nut; the two opposite side surfaces of the B clamping plate and the elastic folding connecting part forming a vertical relationship are provided with mounting convex grooves, and a film cover is connected and provided in the mounting convex grooves, and the free ends of the film cover are affixed with Velcro sub-surfaces, and the outer side surface of the bracket A clamping plate and the position corresponding to the mounting convex groove are affixed with Velcro mother surfaces; when in use, the film cover is pulled out of the mounting convex groove, and the film cover spans across the opposite sides in the width direction of the folder body and is affixed and connected to the Velcro mother surface through the Velcro sub-surfaces.

[0005] As a preferred solution, a buckle strap is provided on the side of the B clamp that is flipped toward the folder body, and a sub-buckle is installed on the buckle strap. A female buckle is provided on the outer side surface of the A clamp at a position corresponding to the buckle strap; when in a closed state, the buckle strap extends to the position of the female buckle, and a fastening connection is achieved through the cooperation between the sub-buckle and the female buckle.

[0006] As a preferred solution, a handle loop is provided on the side of the A clamping plate and the B clamping plate away from the buckle belt, and the two handle loops are combined to form a portable handle.

[0007] As a preferred solution, the inner side surface of the B clamping plate near the edge is connected with a directory card through a rotating shaft. When in use, the directory card can be flipped over to extend out of the folder body, and when not in use, the directory card can be flipped into the folder body.

[0008] As a preferred solution, a plurality of anti-slip decorative layers A are provided on the outer side surface of the A clamping plate.

[0009] As a preferred solution, an anti-slip decorative layer B is provided on the outer side surface of the B clamping plate.

[0010] As a preferred solution, folder buckles are installed at opposite positions on the inner sides of the A clamping plate and the B clamping plate.

[0011] The beneficial effects of the utility model are as follows: by rotating the double-threaded adjustment nut, the relative distance between the A clamping plate and the B clamping plate can be adjusted accordingly, thereby realizing the adjustment of the clamping thickness of the folder, and the opposite sides of the folder body in the width direction are covered and protected by the film cover to prevent dust from falling directly into the folder and to prevent dust from accumulating, and the operation is convenient. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 This is a three-dimensional view of the utility model (the film envelope is in a stored state).

[0013] Figure 2 This is a three-dimensional view of the utility model (the film cover is in use).

[0014] Figure 3 It is a three-dimensional view of the utility model (the film envelope is in a stored state, and the catalogue card is in a used state).

[0015] Figure 4 It is a bottom view of the utility model.

[0016] The accompanying drawings are marked as: A splint 11, B splint 10, elastic folding connection part 13, buckle strap 14, catalogue plate 15, Velcro mother surface 16, folder buckle 17, installation groove 18, double thread adjustment nut 19, screw B20, anti-slip surface decoration layer A21, anti-slip surface decoration layer B22, adhesive film cover 23, screw A24. DETAILED DESCRIPTION

[0017] In order to further understand the features, technical means, specific objectives and functions of the present invention, the present invention is further described in detail below in conjunction with specific implementation methods and drawings.

[0018] In the present invention, unless otherwise clearly specified and limited, the terms "install", "connect", "connect", "fix" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be an indirect connection through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0019] Please refer to Figure 1-4As shown, a folder structure with adjustable thickness and an envelope includes a folder body, including a clamping plate A 11, a clamping plate B 10, and an elastic folding connection part 13, wherein the two ends of the elastic folding connection part 13 are respectively connected to the clamping plate A 11 and the clamping plate B 10; a double-threaded adjustment nut 19 is arranged between the clamping plate A 11 and the clamping plate B 10 near the elastic folding connection part 13, and the upper and lower parts of the inner cavity of the double-threaded adjustment nut 19 are formed with threads arranged in opposite directions; a screw A24 is arranged at a position corresponding to the clamping plate A 11 and the double-threaded adjustment nut 19, the top of the screw A24 is fixedly connected to the clamping plate A 11, and the lower part of the screw A24 is threadedly connected to the double-threaded adjustment nut 19; the clamping plate B 10 and the double-threaded adjustment nut A screw B20 is provided at the position corresponding to 19, the bottom of the screw B20 is fixedly connected to the B clamping plate 10, and the upper part of the screw B20 is connected to the double-threaded adjusting nut 19; the two opposite side surfaces of the B clamping plate 10 and the elastic folding connecting part 13 that form a vertical relationship are provided with mounting protrusions 18, and the mounting protrusions 18 are connected with a film cover 23, and the free ends of the film cover 23 are affixed with a Velcro sub-surface, and the outer side surface of the A clamping plate 11 and the position corresponding to the mounting protrusions 18 are affixed with a Velcro mother surface 16; when in use, the film cover 23 is pulled out of the mounting protrusion 18, and the film cover 23 spans across the opposite sides of the width direction of the folder body and is affixed and connected to the Velcro mother surface 16 through the Velcro sub-surface.

[0020] A buckle belt 14 is provided on the side of the B clamping plate 10 that is turned toward the folder body, and a sub-buckle is installed on the buckle belt 14. A female buckle is provided on the outer side surface of the A clamping plate 11 at a position corresponding to the buckle belt 14; when in a closed state, the buckle belt 14 extends to the position of the female buckle, and a fastening connection is achieved through the cooperation between the sub-buckle and the female buckle.

[0021] A handle loop 12 is provided on one side of the A clamping plate 11 and the B clamping plate 10 away from the buckle 14, and the two handle loops 12 are combined to form a portable handle, so that the structure has the function of being easy to carry.

[0022] The inner side of the B clamping plate 10 near the edge is connected with a directory plate 15 through a rotating shaft. When in use, the directory plate 15 can be turned over to extend out of the folder body, and when not in use, the directory plate 15 can be turned over into the folder body. The directory plate 15 can be stored and set at will according to the use needs.

[0023] The outer side of the A clamping plate 11 is provided with a plurality of anti-skid surface decorative layers A21. The outer side of the B clamping plate 10 is provided with an anti-skid surface decorative layer B22. By providing the anti-skid surface decorative layers A21 and B22, the appearance decorative function of the structure is improved.

[0024] File folder buckles 17 are installed at opposite positions of the inner side surfaces of the A clamping plate 11 and the B clamping plate 10, and the file folders placed in the file folder body are fixed by the file folder buckles 17.

[0025] In this embodiment, the double-threaded adjustment nut can be rotated to adjust the relative distance between the A clamping plate and the B clamping plate, thereby adjusting the clamping thickness of the folder. The opposite sides of the folder body in the width direction are protected by a film cover to prevent dust from falling directly into the folder and to prevent dust accumulation, making the operation convenient.

[0026] The above-mentioned embodiment only expresses one implementation method of the utility model, and its description is relatively specific and detailed, but it cannot be understood as limiting the scope of the utility model patent. It should be pointed out that for ordinary technicians in this field, several modifications and improvements can be made without departing from the concept of the utility model, which all belong to the protection scope of the utility model. Therefore, the protection scope of the utility model patent shall be based on the attached claims.

Claims

1. A folder structure with adjustable thickness and cover, comprising a folder body, characterized in that: The invention comprises an A clamp (11), a B clamp (10), and an elastic folding connection part (13), wherein the two ends of the elastic folding connection part (13) are respectively connected to the A clamp (11) and the B clamp (10); a double-threaded adjustment nut (19) is arranged between the A clamp (11) and the B clamp (10) at a position close to the elastic folding connection part (13), and the upper and lower parts of the inner cavity of the double-threaded adjustment nut (19) are formed with threads arranged in opposite directions; a screw A (24) is arranged at a position corresponding to the A clamp (11) and the double-threaded adjustment nut (19), the top of the screw A (24) is fixedly connected to the A clamp (11), and the lower part of the screw A (24) is threadedly connected to the double-threaded adjustment nut (19); a double-threaded adjustment nut (19) is arranged at a position corresponding to the B clamp (10) and the double-threaded adjustment nut (19). A screw B (20) is provided, the bottom of the screw B (20) is fixedly connected to the B clamping plate (10), and the upper part of the screw B (20) is connected to the double-threaded adjusting nut (19); the two opposite side surfaces of the B clamping plate (10) and the elastic folding connecting portion (13) in a vertical relationship are provided with mounting protruding grooves (18), and the mounting protruding grooves (18) are connected with adhesive film sleeves (23), and the free ends of the adhesive film sleeves (23) are affixed with Velcro sub-surfaces, and the outer side surface of the A clamping plate (11) and the position corresponding to the mounting protruding groove (18) are affixed with Velcro mother surfaces (16); when in use, the adhesive film sleeve (23) is pulled out of the mounting protruding groove (18), and the adhesive film sleeve (23) is stretched across the opposite sides of the width direction of the folder body and then affixed and connected to the Velcro mother surface (16) through the Velcro sub-surfaces.

2. The file folder structure with adjustable thickness and cover according to claim 1, characterized in that: A buckle belt (14) is arranged on the side of the B clamp (10) that is turned toward the folder body, and a sub-buckle is installed on the buckle belt (14). A female buckle is arranged on the outer side surface of the A clamp (11) at a position corresponding to the buckle belt (14); when in a closed state, the buckle belt (14) extends to the position of the female buckle, and a fastening connection is achieved through the cooperation between the sub-buckle and the female buckle.

3. The file folder structure with adjustable thickness and cover according to claim 2, characterized in that: A handle loop (12) is provided on one side of the A clamping plate (11) and the B clamping plate (10) away from the buckle belt (14), and the two handle loops (12) are combined to form a portable handle.

4. The file folder structure with adjustable thickness and cover according to claim 1, characterized in that: The inner side surface of the B clamping plate (10) is connected to a directory plate (15) via a rotating shaft near the edge. When in use, the directory plate (15) can be turned over to extend out of the folder body, and when in non-use, the directory plate (15) can be turned over into the folder body.

5. The file folder structure with adjustable thickness and cover according to claim 1, characterized in that: The outer side surface of the A clamping plate (11) is provided with a plurality of anti-slip decorative layers A (21).

6. The file folder structure with adjustable thickness and cover according to claim 1, characterized in that: The outer side surface of the B clamping plate (10) is provided with an anti-slip decorative layer B (22).

7. A file folder structure with an adjustable thickness and a cover according to any one of claims 1 to 6, characterized in that: File buckles (17) are installed at opposite positions on the inner sides of the A clamping plate (11) and the B clamping plate (10).

Images