CN219506437U - Folding file frame - Google Patents

Abstract

A folding file frame comprises a first bottom plate, a second bottom plate and at least two side vertical plates, wherein folds are formed on the first bottom plate and the second bottom plate, and the first bottom plate or the second bottom plate can be folded along the folds; the two adjacent side edges of the side vertical plate are rotatably connected with the first bottom plate or the second bottom plate at the corresponding position, and a clamping structure is further arranged between the two adjacent side edges of the side vertical plate and the first bottom plate or the second bottom plate at the corresponding position and used for maintaining the first bottom plate or the second bottom plate in a flattening state; the structure of the utility model has the advantages of effectively flattening the bottom plate and not influencing the file storage space when in use.

Description

Folding file frame

Technical Field

The utility model relates to the technical field of file frames, in particular to a folding file frame.

Background

The file frame is a common file storage structure and mainly comprises a side plate, a bottom plate, a back plate and other structures, wherein the bottom surface and the back end surface of the side plate are respectively and correspondingly connected with the bottom plate and the back plate to form a complete file frame structure; in order to facilitate the use of a user side, the prior art adopts a folding text box structure, the structure can realize the assembly of a file box before being sent to the hands of a consumer, and can realize folding and convenient transportation after assembly, and the structure can be unfolded when in use without the assembly of a user; as in patent document with application number 202020426656.0 and utility model name, a foldable file frame structure is disclosed, the file frame comprises a bottom plate, a back plate and at least two side plates, the side plates are inserted on the bottom plate and the back plate, the middle and two sides of the bottom plate are respectively provided with a bottom plate folding groove, the middle and two sides of the back plate are respectively provided with a back plate folding groove, the positions of the bottom plate folding grooves and the back plate folding grooves are corresponding, and the bottom plate and the back plate are made of PP materials; the structure can be folded through the folding groove in the process of transportation or without use, so that adjacent side plates are close to each other and are overlapped, and folding operation is realized; however, there is no disclosure of how the rotation of the bottom panel and the back panel relative to the side panels can be achieved in the folded state; in addition, because the file frame is made of the plastic material such as the PP material, the folding groove is formed for folding, and the plates which are respectively arranged at the two sides of the folding groove and can be mutually folded are difficult to realize effective flattening and are easy to be in a gathering state (namely, the plates at the two sides of the folding groove are not in a complete folding state, are in a V-shaped gathering state and cannot be completely flattened and are in a plane state) under the action of no external force, and the state influences the accommodating space of the file.

Disclosure of Invention

The utility model aims at the defects of the prior art and provides the folding file frame which can realize effective flattening and does not influence the file storage space during use.

In order to solve the technical problems, the utility model adopts the following technical scheme: a folding file frame comprises a first bottom plate, a second bottom plate and at least two side vertical plates, wherein folds are formed on the first bottom plate and the second bottom plate, and the first bottom plate or the second bottom plate can be folded along the folds; the side vertical plates are rotatably connected between two adjacent side edges and the first bottom plate or the second bottom plate at the corresponding positions, and a clamping structure is further arranged between the two adjacent side edges of the side vertical plates and the first bottom plate or the second bottom plate at the corresponding positions and used for maintaining the first bottom plate or the second bottom plate in a flattening state.

According to the folding file frame, the buckling structures are arranged between the two adjacent side edges of the side vertical plates and the first bottom plate or the second bottom plate at the corresponding positions; when the file frame is required to be opened in a use state, the first bottom plate and the second bottom plate with the folds are driven to be in a complete flattening state through the buckling structure, so that the use space of the file frame is fully expanded, and the situation that the bottom plates on two sides of the folds cannot be stretched to influence the file storage space is avoided; the buckle structure is located at the connecting position between the side vertical plate and the bottom plate, the independent buckle structure is not required to be arranged at the crease position, so that the flatness of the bottom plate is not affected (if the buckle structure is independently arranged at the crease position, the position is caused to be compared with the plane of the bottom plate to be convex, the file is caused to be placed unevenly, and the independently arranged buckle structure is also easy to lose), and the accommodating space of the file frame is not occupied.

Further, two adjacent side edges of the side vertical plate are connected with the first bottom plate or the second bottom plate at the corresponding position through shaft pins; by adopting the structure, the connection between the side vertical plate and the bottom plate can be facilitated, and the rotation between the side vertical plate and the bottom plate can be ensured, so that the folding and expanding operations of the file frame are facilitated.

Further, a plurality of rotating shafts are arranged on two adjacent side edges of the side vertical plate, a plurality of shaft sleeves sleeved with the rotating shafts are arranged on the corresponding first bottom plate or second bottom plate, and the rotating shafts are sleeved in the shaft sleeves; by adopting the structure, the convenient and effective connection between the side vertical plate and the bottom plate is realized, the complete file frame structure is formed, and meanwhile, the relative rotation between the side vertical plate and the bottom plate can be smoothly realized, so that convenience is brought to the folding and the expansion of the file frame.

Further, a notch for placing the rotating shaft is formed in the shaft sleeve, and the front end of the rotating shaft is longer than the length of the notch along the axial direction after the rotating shaft is sleeved with the shaft sleeve; by adopting the structure, the notch is arranged to facilitate the arrangement of the rotating shaft when the rotating shaft is connected with the shaft sleeve, and the front end of the rotating shaft can enter the shaft sleeve by slightly pressing downwards forcefully after the rotating shaft is arranged in the notch, so that the side vertical plate and the bottom plate are effectively connected and prevented from loosening.

Further, the first bottom plate or the second bottom plate is composed of at least one partition plate provided with a shaft sleeve, the crease is positioned in the middle of each partition plate, the left side and the right side of each partition plate are respectively provided with a side vertical plate, and the shaft sleeves of every two adjacent partition plates are positioned on the same axis; by adopting the structure, the bottom plate can be formed by one or more partition plates which are sequentially connected, and a plurality of accommodating cavities can be arranged when the plurality of partition plates are connected, so that the accommodating space of the file frame is improved; moreover, the shaft sleeves of every two adjacent partition plates are positioned on the same shaft line and can be sleeved with the rotating shafts on the side edges of the side vertical plates, so that the two adjacent partition plates are connected with the same side vertical plate, and meanwhile, the two adjacent partition plates connected with the side vertical plate can be ensured to be mutually folded and expanded.

Further, the widths of the two partition plates forming the first bottom plate and the second bottom plate are equal and folds on the two partition plates correspond to each other; by adopting the structure, the base plate between two adjacent side vertical plates can be effectively folded.

Further, the folding directions of the first bottom plate and the second bottom plate are the same; i.e. both can be folded inwards or both can be folded outwards, wherein the inwards folding allows an effective saving of space.

Further, a folding space is arranged between the side vertical plate and the first bottom plate or the second bottom plate; by adopting the structure, when the two bottom plates are folded inwards at the same time, the existence of the folding space can not cause the folding resistance of the two bottom plates, so that the two bottom plates can be completely folded.

Further, the clamping structure comprises a clamping block positioned on the side edge of the side vertical plate and a clamping groove positioned at the corresponding position of the first bottom plate or the second bottom plate, and the clamping block is used for being buckled with the clamping groove; by adopting the structure, when the bottom plate needs to be flattened, the bottom plate only needs to be pressed, the bottom plate gradually tends to be flattened along the crease, the clamping groove in the process is in a horizontal state by an inclined state, and the clamping groove is buckled with the clamping block, so that the bottom plate is flattened and fixed.

Further, a roller matched with the shaft sleeve is further arranged on the side edge of the side vertical plate, the rotating shaft is positioned at one end of the roller, and the end face of the roller, connected with the rotating shaft, is interfered with the end face of the shaft sleeve; by adopting the structure, the stability of the relative rotation process of the side vertical plate and the bottom plate can be improved, the end face of the rotary shaft connected with the roller is interfered with the end face of the shaft sleeve, namely, the axial end faces of the rotary shaft connected with the roller and the shaft sleeve can be mutually abutted, so that the side vertical plate and the bottom plate are connected and then are axially limited and can not shake mutually.

Further, the clamping block is positioned below the roller; by adopting the structure, the buckle structure does not occupy axial space, does not need to prolong the lengths of the side vertical plates and the bottom plate, and can effectively realize flattening operation of the bottom plate.

Further, the clamping block comprises a first clamping block extending transversely and a second clamping block extending vertically, a step surface is arranged in the clamping groove, the first clamping block is used for propping against the step surface, and the thickness of the clamping block is matched with the thickness of the bottom plate; by adopting the structure, when the bottom plate needs to be flattened, the bottom plate is pressed, the clamping groove of the bottom plate is horizontal, the step surface of the bottom plate can pass through the first clamping block to realize buckling, and the flattened state of the bottom plate can be fixed at the moment; when the folding is needed, the bottom plate is jacked upwards, the bottom plate can be gathered along with the left and right side plates of the crease, and the clamping groove inclines to be separated from the first clamping block; the thickness of fixture block and bottom plate thickness looks adaptation, and two thickness are equivalent promptly, and first fixture block can not bulge bottom plate upper surface when the exhibition is flat to the planarization on bottom plate surface has been guaranteed.

Further, at least one group of buckle structures are arranged on the first bottom plate and the second bottom plate; by adopting the structure, the flattening operation of the first bottom plate and the second bottom plate can be realized, and the accommodating space of each unit file frame can be expanded as much as possible.

Further, the buckle structure be located the outer end of the direction that first bottom plate or second bottom plate crease extended respectively, adopt this structure, when needs bottom plate exhibition, press the bottom plate, press the position nearer to buckle structure, consequently more convenient drive buckle structure effect, flattening operation are laborsaving more.

Further, the rollers at the opposite ends of the buckling structures of the side vertical plates are provided with downward extending plug blocks, the corresponding bottom plates are provided with jack holes for plugging the plug blocks, and the plug blocks are plugged in the jack holes after the side vertical plates are connected with the bottom plates; by adopting the structure, when the side vertical plates and the corresponding bottom plates are equal in length (namely, a folding space is not arranged between the bottom plate connected with the side vertical plates and the side vertical plates), one end opposite to the buckling structure is provided with an inserting block (namely, the inserting block is positioned at the end, far away from the buckling structure, of the side vertical plates, so that the side vertical plates and the bottom plates are more stably connected, and the positioning of the installation positions of the side vertical plates and the bottom plates is also facilitated.

Drawings

FIG. 1 is a schematic view of a first view of a foldable file frame according to the present utility model.

FIG. 2 is a schematic diagram of a second view of a folding file frame according to the present utility model.

FIG. 3 is a schematic structural view of an assembled folding file frame according to the present utility model.

FIG. 4 is a schematic diagram of an example of a folding file frame of the present utility model.

FIG. 5 is a schematic view of a folding document frame according to the present utility model with one side upright removed.

FIG. 6 is a schematic view of a first angular cross-section of a foldable file frame according to the present utility model.

FIG. 7 is a schematic diagram of a second angular cross-sectional view of a folding file frame of the present utility model.

FIG. 8 is a schematic view of a partial structure of a folding file frame base plate of the present utility model in an unflattened state.

Fig. 9 is a schematic view of the structure of the side stand of the present utility model.

Fig. 10 is a schematic view of the structure of the partition plate of the present utility model.

As shown in the accompanying drawings: 1. the first bottom plate, the second bottom plate, the side vertical plate, 301, the rotating shaft, 302, the clamping blocks, 3021, the first clamping blocks, 3022, the second clamping blocks, 303, the roller, 304, the inserting block, 4, the shaft sleeve, 401, the notch, 402, the inserting hole, 5, the crease, 6, the partition plate, 7, the clamping groove, 701, the step surface and 8, the folding space.

Detailed Description

The technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the embodiments and the accompanying drawings, and it is apparent that the described embodiments are only preferred embodiments, not all embodiments. All other embodiments, based on the embodiments of the utility model, which a person of ordinary skill in the art would obtain without inventive faculty, are within the scope of the utility model;

furthermore, it is to be noted that: when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. When an element is referred to as being "disposed on" another element, it can be directly on the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like are used herein for illustrative purposes only. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this utility model belongs. The terminology used herein in the description of the utility model is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model. The term "and/or" as used herein includes any and all combinations of one or more of the associated listed items.

As shown in fig. 1-5, a foldable document frame of the present utility model includes a first bottom plate 1, a second bottom plate 2 and at least two side vertical plates 3 (the first bottom plate may be a back plate vertically arranged to form the document frame, the second bottom plate may be a bottom plate horizontally arranged to form the document frame, and the side vertical plates are separately arranged on the left and right sides of the bottom plate in the width direction, so as to form a document frame structure with at least one container cavity), where each of the first bottom plate 1 and the second bottom plate 2 is provided with a crease 5, and each of the first bottom plate 1 and the second bottom plate 2 may be folded with each other along the crease 5 (i.e., each of the first bottom plate and the second bottom plate may be folded with each other along the crease on each of the first bottom plate and the second bottom plate; two adjacent side edges (such as fig. 1-5, two side edges are two side edges perpendicular to each other and connected with the back plate and the bottom plate) of the side vertical plate 3 are rotatably connected with the first bottom plate 1 or the second bottom plate 2 at the corresponding position, a fastening structure is further arranged between the two adjacent side edges of the side vertical plate 3 and the first bottom plate 1 or the second bottom plate 2 at the corresponding position (a fastening structure is arranged between the independent side vertical plate and the first bottom plate, or a fastening structure is arranged between the independent side vertical plate and the second bottom plate, or a fastening structure is arranged between the side vertical plate and the first bottom plate and the second bottom plate), and the fastening structure is used for maintaining the first bottom plate 1 or the second bottom plate 2 in a flattened state (namely, the fastening structure can enable the flattened state of the first bottom plate or the second bottom plate to be fixed).

According to the folding file frame, the buckling structures are arranged between the two adjacent side edges of the side vertical plates and the first bottom plate or the second bottom plate at the corresponding positions; when the file frame is required to be opened in a use state, the first bottom plate and the second bottom plate with the folds are driven to be in a complete flattening state through the buckling structure, so that the use space of the file frame is fully expanded, and the situation that the bottom plates on two sides of the folds cannot be stretched to influence the file storage space is avoided; the buckle structure is located at the connecting position between the side vertical plate and the bottom plate, the independent buckle structure is not required to be arranged at the crease position, so that the flatness of the bottom plate is not affected (if the buckle structure is independently arranged at the crease position, the position is caused to be compared with the plane of the bottom plate to be convex, the file is caused to be placed unevenly, and the independently arranged buckle structure is also easy to lose), and the accommodating space of the file frame is not occupied.

As shown in fig. 3, 6 and 9-10, two adjacent side edges of the side vertical plate 3 are connected with the first bottom plate 1 or the second bottom plate 2 at corresponding positions through shaft pins, namely, the side vertical plate is provided with a shaft on one side and a shaft pin on one side of the bottom plate, and the shaft sleeves are arranged in the shaft pins to realize connection and can mutually rotate; by adopting the structure, the connection between the side vertical plate and the bottom plate can be facilitated, and the rotation between the side vertical plate and the bottom plate can be ensured, so that the folding and expanding operations of the file frame are facilitated.

As shown in fig. 3, 6 and 9-10, two adjacent side edges of the side vertical plate 3 are respectively provided with a plurality of rotating shafts 301 (the rotating shafts on each side edge are coaxially arranged), the corresponding first bottom plate 1 or second bottom plate 2 is provided with a plurality of shaft sleeves 4 sleeved with the rotating shafts 301, and the rotating shafts 301 are sleeved in the shaft sleeves 4; by adopting the structure, the rotatable connection between the side vertical plate and the bottom plate is realized, the whole metal strip is not required to be arranged as a rotating shaft, the cost is effectively saved, and only the rotating shaft and the shaft sleeve structure at the matched position are required; as shown in fig. 1-5, the shaft and the sleeve of the present utility model are disposed at intervals.

As shown in fig. 7, 9 and 10, the sleeve 4 of the present utility model is provided with a notch 401 for accommodating the rotating shaft 301, and after the rotating shaft 301 is sleeved with the sleeve 4, the front end of the rotating shaft 301 is longer than the length of the notch 401 along the axial direction (or: the front end (i.e., the free end) of the rotating shaft along the axial direction passes over the tail end of the notch (i.e., the stop position of the notch on the sleeve along the axial direction), so that the front end portion of the rotating shaft can enter the complete sleeve without the notch to realize more stable connection), i.e., the front end portion of the rotating shaft is inserted into the complete sleeve; by adopting the structure, the arrangement of the notch can facilitate the arrangement of the rotating shaft when the rotating shaft is connected with the shaft sleeve, and after the rotating shaft is arranged in the notch, the front end of the rotating shaft can enter the shaft sleeve by slightly pressing with force, so that the side vertical plate and the bottom plate can be effectively connected and prevented from loosening; specifically, the notch is arranged in the direction that the upper part of the shaft sleeve is close to the side vertical plate, and when the shaft sleeve is installed, the rotating shaft is slightly pressed downwards aiming at the notch, so that the shaft sleeve can be sleeved with the rotating shaft.

As shown in fig. 3, 6 and 10, the first bottom plate 1 or the second bottom plate 2 according to the present utility model is composed of at least one partition plate 6 provided with a shaft sleeve 4, the crease 5 is located in the middle of each partition plate 6 (each partition plate can be folded and overlapped with each other along the crease in the middle), the left side and the right side of each partition plate 6 are provided with a side vertical plate 3, the shaft sleeve 4 of each two adjacent partition plates 6 is located on the same axis (i.e. when a plurality of partition plates are adopted, a plurality of partition plates connected in sequence are assembled with each other to form a complete bottom plate width of a document frame, and the shaft sleeves of two adjacent partition plates are sleeved by the rotating shafts of the same side vertical plate), as shown in fig. 1-2, the structure of a first bottom plate or a second bottom plate formed by four partition plates connected in sequence is shown in fig. 1-2; by adopting the structure, the bottom plate can be formed by one or more partition plates which are sequentially connected, and a plurality of accommodating cavities can be arranged when the plurality of partition plates are connected, so that the accommodating space of the file frame is improved; moreover, the shaft sleeves of every two adjacent partition plates are positioned on the same shaft line and can be sleeved with the rotating shafts on the side edges of the same side vertical plate, so that the two adjacent partition plates are connected with the same side vertical plate, and meanwhile, the two adjacent partition plates connected with the side vertical plate can be mutually folded and expanded.

As shown in fig. 1-5, the two partition boards 6 which are positioned between two adjacent side vertical boards 3 and form the first bottom board 1 and the second bottom board 2 are equal in width, and folds on the two partition boards 6 correspond to each other (namely, folds on the first bottom board and the second bottom board which are positioned between two adjacent side vertical boards in the same group are aligned and are more flat and regular when being folded in this way); by adopting the structure, the base plate between two adjacent side vertical plates can be effectively folded.

As an example, the folding direction of the first bottom plate 1 and the second bottom plate 2 according to the present utility model is the same; i.e. both can be folded inwards (towards the direction of the accommodating cavity of the file frame) or can be folded outwards (away from the direction of the accommodating cavity), wherein the inward folding can effectively save the occupied space, and the occupied space is only the occupied space which is almost the size of the area of the side vertical plate; as another example, the first bottom panel and the second bottom panel between two adjacent side panels of the same set may also be folded one inwardly and one outwardly.

As shown in fig. 1-2 and 4, a folding space 8 (or a folding gap, that is, a space is formed between the inner end of the side vertical plate and the adjacent end of the first bottom plate or the second bottom plate, and the ends of the side vertical plate and the adjacent end of the first bottom plate or the second bottom plate are not completely aligned) is arranged between the side vertical plate 3 and the first bottom plate 1 or the second bottom plate 2; by adopting the structure, when the two bottom plates are folded inwards at the same time, the existence of the folding space can not cause the folding resistance of the two bottom plates, so that the two bottom plates can be completely folded; specifically, as shown in fig. 1-2, the first bottom plate is a back plate, namely a bottom plate extending vertically, and the second bottom plate is a bottom plate extending horizontally, and a space is reserved between the side edge of the bottom of the side vertical plate and the inner end of the second bottom plate; as shown in figure 4, the first bottom plate is a back plate, namely a bottom plate extending vertically, and the second bottom plate is a bottom plate extending horizontally, and a space is reserved between the side edge of the back plate of the side vertical plate and the inner end of the first bottom plate.

As shown in fig. 3, 5-6 and 8-10, the fastening structure of the present utility model includes a fastening block 302 located on a side edge of the side riser 3, and a fastening slot 7 located at a position corresponding to the first bottom plate 1 or the second bottom plate 2, where the fastening block 302 is used to fasten with the fastening slot 7; by adopting the structure, when the bottom plate needs to be flattened, the bottom plate only needs to be pressed, the bottom plate gradually tends to be flattened along the crease, the clamping groove in the process is in a horizontal state by an inclined state, and the clamping groove is buckled with the clamping block, so that the bottom plate is flattened and fixed.

As shown in fig. 7 and 9, the side edge of the side vertical plate 3 of the present utility model is further provided with a roller 303 (which may be hollow and reduce the weight of the side vertical plate) that is matched with the shaft sleeve 4, the rotating shaft 301 is located at one end of the roller 303, and the end surface of the roller 303, where the rotating shaft 301 is connected, interferes with the end surface of the shaft sleeve 4; by adopting the structure, the stability of the relative rotation process of the side vertical plate and the bottom plate can be improved, the end face of the rotary shaft connected with the roller is interfered with the end face of the shaft sleeve, namely, the axial end faces of the rotary shaft connected with the roller and the shaft sleeve can be mutually abutted, so that the side vertical plate and the bottom plate are connected and then are axially limited and can not shake mutually.

As shown in fig. 3 and 6, the clamping block 302 of the present utility model is located below the roller 303; by adopting the structure, the buckle structure does not occupy axial space, does not need to prolong the lengths of the side vertical plates and the bottom plate, and can effectively realize flattening operation of the bottom plate.

As shown in fig. 3, 6 and 8-9, the clamping block 302 according to the present utility model includes a first clamping block 3021 extending transversely and a second clamping block 3022 extending vertically, a step surface 701 is provided in the clamping groove 7, the first clamping block 3021 is used for abutting against the step surface 701, and the thickness of the clamping block 302 is adapted to the thickness of the bottom plate (the first bottom plate or the second bottom plate); when the clamping block and the clamping groove are positioned in the middle of the file frame, the bottom plates at the two sides are required to be flattened, so that the two sides of the clamping block and the clamping groove are required to be extended, and when the clamping block and the clamping groove are positioned at the left and right side edges, only the bottom plates at the inner sides of the clamping block and the clamping groove are required to be flattened, and the clamping groove and the clamping block are required to be extended unilaterally; by adopting the structure, when the bottom plate needs to be flattened, the bottom plate is pressed, the clamping groove of the bottom plate is horizontal, the step surface of the bottom plate can pass through the first clamping block to realize buckling, and the flattened state of the bottom plate can be fixed at the moment; when the folding is needed, the bottom plate is jacked upwards, the bottom plate can be gathered along with the left and right side plates of the crease, and the clamping groove inclines to be separated from the first clamping block; the thickness of fixture block and bottom plate thickness looks adaptation, and two thickness are equivalent promptly, and first fixture block can not bulge bottom plate upper surface when the exhibition is flat to the planarization on bottom plate surface has been guaranteed.

As an example, at least one group of fastening structures is disposed on each of the first base plate 1 and the second base plate 2 (here, each of the first base plate and the second base plate, that is, each unit (one accommodating cavity may be a unit), and one group of fastening structures is a fixture block and a fixture groove structure that form a complete fastening structure); by adopting the structure, the first bottom plate and the second bottom plate can be effectively flattened, and the accommodating space of each unit file frame can be expanded as much as possible; specifically, the required fastening structure on each unit can be set to a corresponding number according to the actual use requirement.

As an example, the buckle structure according to the present utility model is located at the outer end (i.e. near the upper end and the front end of the document frame) of the first base plate 1 or the second base plate 2 in the extending direction of the crease 5, respectively, as shown in fig. 3, and with this structure, when the base plate needs to be flattened, the base plate is pressed and the pressing position is closer to the buckle structure, so that the effect of the buckle structure is more convenient, and the flattening operation is more labor-saving.

As shown in fig. 5 and 9, a roller 303 positioned at the opposite end of the buckle structure of the side vertical plate 3 is provided with a downward extending insertion block 304, a corresponding bottom plate (a first bottom plate or a second bottom plate or both bottom plates) is provided with an insertion hole 402 inserted with the insertion block 304, and the insertion block 304 is inserted into the insertion hole 402 after the side vertical plate 3 is connected with the bottom plate; by adopting the structure, when the side vertical plates and the corresponding bottom plates are equal in length (namely, a folding space is not arranged between the bottom plate connected with the side vertical plates and the side vertical plates), one end opposite to the buckling structure is provided with an inserting block (namely, the inserting block is positioned at the end, far away from the buckling structure, of the side vertical plates, so that the side vertical plates and the bottom plates are more stably connected, and the positioning of the installation positions of the side vertical plates and the bottom plates is also facilitated.

As shown in fig. 1-5, the side vertical plate is provided with five left and right side plates and three middle plates, the first bottom plate is a vertically extending back plate, the second bottom plate is a horizontally extending bottom plate, the first bottom plate and the second bottom plate are respectively composed of four partition plates, and a crease extending along the length direction is arranged at the middle position of each partition plate; the side vertical plates and the bottom plate are connected with each other to form a complete file frame structure with five accommodating cavities (accommodating units), wherein a buckling structure is arranged at the connecting position between each side vertical plate and the bottom plate, and a group of vertical and transverse side vertical plates are respectively arranged, so that the whole file frame can be fully flattened; the crease of the utility model can be in a groove shape (can be V-shaped or U-shaped and the like) recessed along the thickness direction of the bottom plate, and the groove-shaped crease can be arranged on the inner surface of the bottom plate, namely on one side close to the file frame accommodating cavity, so that the thickness of the bottom plate at the position along the length direction of the crease is thinned, the plate bodies on two sides of the crease can be mutually folded by pushing the crease from the back surface of the bottom plate, and the buckle structure can be acted by pressing from the inner surface of the bottom plate, so that the flattened state of the bottom plate is fixed.

The utility model discloses a folding file frame, which is characterized by comprising the following specific working principle or working process: the first bottom plate and the second bottom plate are rotatably connected with the side vertical plate through a rotating shaft and a shaft sleeve structure; taking the attached figures 1-2 of the utility model as an example, wherein five side vertical plates are arranged and are divided into a left side vertical plate, a right side vertical plate and three middle side vertical plates, and a foldable file frame with four accommodating cavities or accommodating units is formed after the assembly is completed; the first bottom plate and the second bottom plate are formed by four sequentially arranged partition plates, a crease is arranged in the middle of each partition plate, and because the buckle structure does not act at the moment, each partition plate is in a V-shaped gathering state inwards along the crease, and the bottom plates cannot be completely flattened; then pressing each partition plate to extend towards a flattened state, changing the approaching state shown in the original figure 8 between the process partition plate and the side vertical plates into the flattened state shown in the figure 6, and buckling the process clamping blocks and the clamping grooves to ensure that the side vertical plates and the bottom plates are mutually vertical, the bottom plates are completely flattened and are fixed by the buckling structures, so that the flattened state shown in figures 1-2 and 4 is obtained, the accommodating space of the file frame is maximum, and the accommodating of the file can be realized; when the folding is needed, the bottom plate is pressed inwards along the crease, and the buckling structure is disassembled, so that the folding can be realized; in addition, the clamping structure, the rotating shaft and the shaft sleeve structure are equivalent to the thickness of each side vertical plate, so that the accommodating space of the file frame is not occupied as much as possible; each side vertical plate positioned in the middle position is sleeved and connected with the shaft sleeves of two adjacent partition plates, so that the partition plates at two sides of the side vertical plate can rotate relative to the side vertical plate; the structure can realize the effective flattening of the bottom plate by pressing the bottom plate, and the flattened buckle structure does not need to be arranged at a crease position, so that the unevenness of the bottom plate is not caused, the buckle structure does not need to be independently arranged, and only needs to be arranged between the connection positions of the side vertical plates and the bottom plate, forms an integral structure with the file frame, and does not occupy a containing space; and the bottom plate (each partition plate forming the bottom plate can rotate relative to the side vertical plate) and the side vertical plates can mutually rotate, but the bottom plate and the side vertical plates are not connected through a complete metal shaft, only the rotating shaft is arranged on the side edge of the side vertical plate, the shaft sleeve is arranged on the bottom plate, and the rotating shaft is aligned with a notch on the shaft sleeve and slightly pressed during installation, so that the cost is effectively reduced.

Claims (15)

1. A folding file frame, characterized in that: the folding type floor comprises a first bottom plate (1), a second bottom plate (2) and at least two side vertical plates (3), wherein crease marks (5) are formed in the first bottom plate (1) and the second bottom plate (2), and the first bottom plate (1) or the second bottom plate (2) can be folded along the crease marks (5); the side vertical plate (3) is connected with the first bottom plate (1) or the second bottom plate (2) at the corresponding position in a rotatable manner, a clamping structure is further arranged between the two adjacent side edges of the side vertical plate (3) and the first bottom plate (1) or the second bottom plate (2) at the corresponding position, and the clamping structure is used for maintaining the first bottom plate (1) or the second bottom plate (2) in a flattening state.

2. The folding file frame of claim 1, wherein: the two adjacent side edges of the side vertical plate (3) are connected with the first bottom plate (1) or the second bottom plate (2) at the corresponding position through shaft pins.

3. The folding file frame of claim 2, wherein: a plurality of rotating shafts (301) are arranged on two adjacent side edges of the side vertical plate (3), a plurality of shaft sleeves (4) sleeved with the rotating shafts (301) are arranged on the corresponding first bottom plate (1) or second bottom plate (2), and the rotating shafts (301) are sleeved in the shaft sleeves (4).

4. A folding file frame as claimed in claim 3, wherein: the shaft sleeve (4) is provided with a notch (401) for placing the rotating shaft (301), and after the rotating shaft (301) is sleeved with the shaft sleeve (4), the front end of the rotating shaft (301) along the axial direction is longer than the length of the notch (401).

5. A folding file frame as claimed in claim 3, wherein: the first bottom plate (1) or the second bottom plate (2) is composed of at least one partition plate (6) provided with shaft sleeves (4), the crease (5) is positioned in the middle of each partition plate (6), one side vertical plate (3) is arranged on the left side and the right side of each partition plate (6), and the shaft sleeves (4) of every two adjacent partition plates (6) are positioned on the same axis.

6. The folding file frame of claim 5, wherein: the width of two separation plates (6) which are positioned between two adjacent side vertical plates (3) and form the first bottom plate (1) and the second bottom plate (2) is equal, and folds (5) on the two separation plates (6) are arranged corresponding to each other.

7. The folding file frame of claim 1, wherein: the folding directions of the first bottom plate (1) and the second bottom plate (2) are the same.

8. The folding file frame of claim 1, wherein: a folding space (8) is arranged between the side vertical plate (3) and the first bottom plate (1) or the second bottom plate (2).

9. A folding file frame as claimed in claim 3, wherein: the clamping structure comprises clamping blocks (302) positioned on the side edges of the side vertical plates (3), clamping grooves (7) positioned at corresponding positions of the first bottom plate (1) or the second bottom plate (2), and the clamping blocks (302) are used for being buckled with the clamping grooves (7).

10. The folding file frame of claim 9, wherein: the side of the side vertical plate (3) is also provided with a roller (303) matched with the shaft sleeve (4), the rotating shaft (301) is positioned at one end of the roller (303), and the end face of the roller (303) connected with the rotating shaft (301) is interfered with the end face of the shaft sleeve (4).

11. The folding file frame of claim 10, wherein: the clamping block (302) is positioned below the roller (303).

12. The folding file frame of claim 10, wherein: the clamping block (302) comprises a first clamping block (3021) extending transversely and a second clamping block (3022) extending vertically, a step surface (701) is arranged in the clamping groove (7), and the first clamping block (3021) is used for propping against the step surface (701); the thickness of the clamping block (302) is matched with the thickness of the bottom plate.

13. The folding file frame of claim 1, wherein: at least one group of buckle structures are arranged on the first bottom plate (1) and the second bottom plate (2).

14. The folding file frame of claim 13, wherein: the buckling structure is respectively positioned at the outer end of the crease (5) of the first bottom plate (1) or the second bottom plate (2) in the extending direction.

15. The folding file frame of claim 10, wherein: the roller (303) of the side vertical plate (3) close to the outer end position is provided with a downward extending inserting block (304), the corresponding bottom plate is provided with an inserting hole (402) which is inserted with the inserting block (304), and the inserting block (304) is inserted into the inserting hole (402) after the side vertical plate (3) is connected with the bottom plate.