CN117799940A

CN117799940A - Foldable material turnover device

Info

Publication number: CN117799940A
Application number: CN202410075010.5A
Authority: CN
Inventors: 张天文; 张智立; 何烈
Original assignee: Huizhou Kefeida Technology Co ltd
Current assignee: Huizhou Kefeida Technology Co ltd
Priority date: 2024-01-18
Filing date: 2024-01-18
Publication date: 2024-04-02
Anticipated expiration: 2044-01-18
Also published as: CN117799940B

Abstract

The invention discloses a foldable material turnover device, which relates to the technical field of turnover devices and comprises a bottom plate, wherein four corners of the bottom plate are respectively provided with a storage groove, the outer ends of the storage grooves are hinged with a lower folding plate, the upper ends of the lower folding plates are hinged with an upper folding plate, the upper ends of the upper folding plates are hinged with an upper frame, a rotary cover plate is arranged in a central through groove of the upper frame, a three-dimensional box frame is formed by the upper frame, the cover plate and the bottom plate, the upper frame is stretched to synchronously drive four faces formed by braiding ropes to be gradually formed, and the four faces are converted into a tight state from a loose state.

Description

Foldable material turnover device

Technical Field

The invention relates to the technical field of turnover devices, in particular to a foldable material turnover device.

Background

The transportation, transfer and turnover of conventional articles such as fruits, fresh and dried goods are carried out by a turnover device mainly comprising a turnover box, so that the food requirements of different areas are met, and the turnover box main body mainly comprises a plastic box and plays a role in storage and protection.

However, the existing turnover box has the following problems when in use:

1. the protection performance requirements of the articles such as fruits, fresh and dried goods on the box body in the turnover transportation process are high, the existing turnover box is made of plastic materials, the texture is hard, and when the fruits, fresh and dried goods are turned over, the articles are seriously collided with the side wall of the box body due to vehicle-mounted jolt or brake inertia, and certain damage exists, especially for some softer goods, the damage rate is high, so that the turnover box with high protection performance and simple material and convenient production and use is urgently needed at present;

2. the existing material turnover device is characterized in that the whole turnover device is made of hard materials because the turnover device is required to be stacked for storage or transportation, but the turnover box made of the hard materials is inconvenient to fold efficiently, the box body and the occupied space filled with the cargo box body are occupied when the turnover device is not used or the cargo box body is vacated, and the empty box is loaded in the same carrying mode, so that the resource utilization rate is low.

The idea is proposed to address the above problems: the most efficient folding mode for the box body is always that the box body can be flattened by a three-dimensional form like a paper box, however, the paper box can be flattened and folded, but the vertical stacking and supporting force of the paper box is weak, and the paper box cannot be suitable for a turnover box which needs to be stacked.

Disclosure of Invention

The technical scheme of the invention aims at solving the technical problem that the prior art is too single, provides a solution which is obviously different from the prior art, and particularly aims to provide a foldable material turnover device, so as to solve the problems that the prior art provides that the protection performance requirements of fruits, fresh and dried goods and other goods on a box body in the turnover transportation process are high, the existing turnover box is made of plastic materials and is harder in texture, and when the fruits, fresh and dried goods and the like are turned over, the goods and the side wall of the box body are seriously collided due to vehicle bump or brake inertia, certain damage exists, particularly certain softer goods have higher damage rate, and the turnover box with high protection performance and simple material is needed at present.

In order to achieve the above purpose, the present invention provides the following technical solutions: the utility model provides a collapsible material turnover device, includes the bottom plate, four corners of bottom plate have all been seted up and have been accomodate the groove, and accomodate the outer end in groove and hinge and have lower folding board to lower folding board's upper end hinge has last folding board, go up folding board's upper end hinge and have the upper frame, and go up the central apron of installing the rotation type in the through groove of frame, upward be provided with two state locating component between folding board and the apron, and install self-locking mechanism between apron and the upper frame, and the knitting rope has been laid to the edge of upper frame lower surface and the edge of bottom plate upper surface.

Preferably, the upper end laminating in the upper folding plate outside is provided with the dog that is fixed in the upper frame, and the lateral wall after the rotatory opening of lower folding plate is connected with the inner wall laminating of accomodating the groove.

Preferably, after the combination of the upper frame and the bottom plate is opened, the braiding ropes are tensioned to form flexible side edges, the upper frame and the bottom plate are square, and the side length of a square central through groove of the upper frame is larger than that of the bottom plate.

Preferably, the self-locking mechanism comprises a clamping groove, a pressing plate and a first spring, the clamping groove is formed in the inner side of the upper folding plate, the pressing plate is arranged in the upper frame in a telescopic sliding mode, the first spring is wound on the outer wall of the pressing plate, one end of the first spring is welded on the outer wall of the end portion of the pressing plate, a limit groove matched with the sliding mode is formed in the upper frame, and the other end of the first spring is fixed on the inner wall of the limit groove.

Preferably, the pressing plate is arranged in an I shape, the surface of one end of the pressing plate is obliquely arranged, and the inclined surface of the end part of the pressing plate is tightly attached to the inner side wall of the upper folding plate.

Preferably, the self-locking mechanism comprises a groove, a magnetic induction coil, a PCB control board, a cam, a lock pin, a second spring and a locking groove, wherein the upper surface of the cover plate is provided with the groove, the inner part of the cover plate is provided with the cavity groove, the magnetic induction coil is wound on the inner wall of the cavity groove corresponding to the groove, the lower electric connection of the magnetic induction coil is provided with the PCB control board, the PCB control board is electrically connected with a motor arranged inside the cavity groove of the cover plate, the output end of the motor is fixed with the cam, the lock pin penetrates through the cavity groove in a sliding manner, one end of the second spring is welded on the outer wall of the lock pin, the other end of the second spring is fixed on the inner wall of the cavity groove, the side wall of the center groove of the upper frame is provided with the locking groove, and the end part of the lock pin is clamped inside the locking groove.

Preferably, the end part of the lock pin is arranged obliquely upwards, the lock groove is matched with the inclined end part of the lock pin, the inner end of the lock pin is provided with a downward bulge-shaped structure, and the bulge end of the cam is mutually attached to the bulge-shaped structure at the inner end of the lock pin.

Compared with the prior art, the invention has the beneficial effects that:

1. when the cover plate is closed, the cover plate in the rotating process can gradually contact the upper end of the pressing plate, the pressing plate can vertically fall down and compress the first spring under the extrusion action of the cover plate, when the cover plate is completely closed and realizes self-locking, the lower end of the pressing plate just abuts against the inner side of the upper end of the upper folding plate and is locked by the blocking action of the stop block at the outer side of the upper folding plate, and meanwhile, the lower end of the lower folding plate is also limited by the inner wall of the storage groove, so that after the cover plate is closed, the four groups of lower folding plates and the upper folding plate at the corners are synchronously locked, so that a three-dimensional box body frame is formed by the upper frame, the cover plate and the bottom plate, and the upper frame is stretched and simultaneously drives four faces formed by braiding ropes to gradually relax, so that the four faces are converted into a tight and flexible box body by the flexible rope, and the flexible box can be easily damaged by the flexible box body, and the flexible box can be converted into a flexible box by the flexible box, and the flexible box can be conveniently and conveniently damaged by the four soft box can be realized by the flexible box;

2. when the box needs to be folded and stored, firstly, the cover plate is required to be unfolded firstly to take out goods, when the cover plate is unfolded, the compression effect of the pressing plate disappears, and under the reset effect of the first spring, the pressing plate can rapidly ascend and release the compression positioning of the upper folding plate, and due to the arrangement of the elevation angles of the lower folding plate and the upper folding plate, even if the compression locking effect of the pressing plate disappears, the lower folding plate and the upper folding plate can not be folded and fallen vertically, after the goods are unloaded, the opening state of the cover plate is kept, the upper frame synchronously drives the four groups of lower folding plates and the upper folding plate at the corners to fold until the upper frame is integrally flattened on the bottom plate, the four groups of lower folding plates and the upper folding plate are just folded and stored in the storage groove, at the moment, the lower end of the pressing plate is retracted into the cavity groove in the upper frame, so that the full folding effect is not influenced, and finally, the cover plate is closed, and the pressing plate can compress the four pressing plates again in the process of rotating self-locking, so that the pressing plate can overcome the resistance of the first spring and be inserted into the corresponding clamping groove again, after the goods are unloaded, the box is folded and stored in a second locking track, so that the box is folded and stored in a stable state.

Drawings

FIG. 1 is a schematic perspective view of the present invention;

FIG. 2 is a schematic elevational view of the present invention;

FIG. 3 is a schematic cross-sectional elevation view of the present invention;

FIG. 4 is a schematic cross-sectional elevation view of the "flattened" structure of the present invention;

FIG. 5 is an enlarged schematic view of the support positioning and lock box structure of FIG. 3 in accordance with the present invention;

FIG. 6 is an enlarged schematic view of the post-crash support positioning and lock box structure of FIG. 4 in accordance with the present invention.

In the figure: 1. a bottom plate; 11. a storage groove; 2. a lower folding plate; 3. an upper folding plate; 31. a clamping groove; 32. a pressing plate; 33. a first spring; 4. an upper frame; 5. a cover plate; 51. a groove; 52. a magnetic induction coil; 53. a PCB control board; 54. a cam; 55. a locking pin; 56. a second spring; 57. a locking groove; 6. a braided rope.

Detailed Description

The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.

Referring to fig. 1-6, the present invention provides a technical solution: the utility model provides a collapsible material turnover device, including bottom plate 1, storage tank 11 has all been seted up to four corners of bottom plate 1, and storage tank 11's outer end articulates has lower folding board 2, and lower folding board 2's upper end articulates has upper folding board 3, upper end of upper folding board 3 articulates has upper frame 4, and install rotatory apron 5 in the central logical inslot of upper frame 4, be provided with two state locating component between upper folding board 3 and the apron 5, and install self-locking mechanism between apron 5 and the upper frame 4, and braided rope 6 has been laid to the edge of upper frame 4 lower surface and the edge of bottom plate 1 upper surface.

The upper end laminating in the outside of going up folding board 3 is provided with the dog that is fixed in upper frame 4, and the lateral wall laminating of lower folding board 2 after rotatory opening is connected with the inner wall laminating of accomodating groove 11, has guaranteed when going up folding board 3 and lower folding board 2 rotation to a line as shown in fig. 1 and 2, and the inner wall of dog and accomodating groove 11 can play the effect that blocks and spacing to folding board 3 and lower folding board 2 respectively, utilizes the locking of inboard two state locating component simultaneously can realize the locking of folding board 3 and lower folding board 2.

After the combination of the upper frame 4 and the bottom plate 1 is opened, the braided rope 6 is tensioned to form flexible side edges, the upper frame 4 and the bottom plate 1 are square, the side length of a square central through groove of the upper frame 4 is larger than that of the bottom plate 1, the upper frame 4 is ensured to be buckled on the periphery of the bottom plate 1 as shown in fig. 4, and an effect of flattening is achieved.

The self-locking mechanism comprises a clamping groove 31, a pressing plate 32 and a first spring 33, the clamping groove 31 is formed in the inner side of the upper folding plate 3, the pressing plate 32 is arranged in the upper frame 4 in a telescopic sliding mode, the first spring 33 is wound on the outer wall of the pressing plate 32, one end of the first spring 33 is welded on the outer wall of the end portion of the pressing plate 32, a limit groove matched with the sliding is formed in the upper frame 4, and the other end of the first spring 33 is fixed to the inner wall of the limit groove.

The pressing plate 32 is arranged in an I shape, the surface of one end of the pressing plate 32 is obliquely arranged, and the inclined surface of the end of the pressing plate 32 is tightly attached to the inner side wall of the upper folding plate 3.

The self-locking mechanism comprises a groove 51, a magnetic induction coil 52, a PCB control board 53, a cam 54, a lock pin 55, a second spring 56 and a locking groove 57, wherein the groove 51 is formed in the upper surface of the cover plate 5, a cavity groove is formed in the cover plate 5, the magnetic induction coil 52 is wound on the inner wall of the cavity groove corresponding to the groove 51, the PCB control board 53 is electrically connected to the lower part of the magnetic induction coil 52, the PCB control board 53 is electrically connected with a motor arranged in the cavity groove of the cover plate 5, the output end of the motor is fixedly provided with the cam 54, the lock pin 55 penetrates through the cavity groove in a sliding mode, one end of the second spring 56 is welded on the outer wall of the lock pin 55, the other end of the second spring 56 is fixed on the inner wall of the cavity groove, the locking groove 57 is formed in the side wall of the center groove of the upper frame 4, and the end of the lock pin 55 is clamped in the cavity groove 57.

The end of the lock pin 55 is inclined upwards, the lock groove 57 is matched with the inclined end of the lock pin 55, the inner end of the lock pin 55 is provided with a downward bulge-like structure, and the bulge end of the cam 54 is mutually attached to the bulge-like structure of the inner end of the lock pin 55.

Working principle: when the foldable material turnover device is used, firstly, as shown in fig. 1, 2 and 3, the turnover box is in an opened state and the cover plate 5 is closed, as shown in fig. 5 and 6, the upper frame 4 is pulled up, the upper frame 4 drives the four upper folding plates 3 and the four lower folding plates 2 distributed at four corners to rotate and open to a limit state as shown in fig. 3, when the cover plate 5 is opened, the pressing plate 32 has no downward acting force, so that the whole pressing plate 32 can be folded into a cavity groove inside the upper frame 4 under the reset action of the first spring 33.

When the cover plate 5 is turned and closed and self-locked (the principle of opening and closing lock is described later), the cover plate 5 in the turning process gradually contacts the upper end of the pressing plate 32, the pressing plate 32 vertically falls down and compresses the first spring 33 under the extrusion action of the cover plate 5, when the cover plate 5 is completely closed and self-locking is achieved, the lower end of the pressing plate 32 just abuts against the inner side of the upper end of the upper folding plate 3 as shown in fig. 5, and the upper folding plate 3 is locked under the cooperation of the blocking action of the outer side of the upper folding plate 3, and meanwhile, the lower end of the lower folding plate 2 is also limited by the inner wall of the containing groove 11, so that after the cover plate 5 is closed, four groups of lower folding plates 2 and upper folding plates 3 used for supporting at corners are synchronously locked, so that a three-dimensional box frame is formed by the upper frame 4, the cover plate 5 and the bottom plate 1, and the three-dimensional box frame has a certain vertical supporting capacity, and stacking can be carried out.

As described above, after the upper frame 4, the cover plate 5 and the bottom plate 1 form a three-dimensional box frame, the four faces between the upper frame 4 and the bottom plate 1 are supplemented by the knitting ropes 6, that is, after the upper frame 4 is stretched, the upper frame 4 synchronously drives the four faces formed by the knitting ropes 6 to be gradually formed, and the four hard side plates of the traditional box body are converted into the four flexible side plates formed by the knitting ropes 6 from a loose state to a tight state, so that the tightly-pulled knitting ropes 6 can be used as one face of the box body, the box body can be conveniently flattened, and meanwhile, the excellent property of flexible protection is achieved, and the damage rate of vulnerable goods is effectively reduced (the knitting ropes 6 with different apertures can be set according to the requirements of the goods).

Immediately, when the box body needs to be folded and stored, firstly, the cover plate 5 is required to be unfolded firstly to take out the goods, when the cover plate 5 is unfolded, the compression effect of the pressing plate 32 is eliminated, and under the reset effect of the first spring 33, the pressing plate 32 can rapidly ascend and release the compression positioning of the upper folding plate 3, due to the arrangement of the outer elevation angles of the lower folding plate 2 and the upper folding plate 3 and the outward expansion extrusion effect of the goods in the box, even if the compression locking effect of the pressing plate 32 is eliminated, the lower folding plate 2 and the upper folding plate 3 can not be folded and fallen down immediately, the goods in the box body can be unloaded, after the goods are unloaded, as shown in fig. 3 and 5, the unfolded state of the cover plate 5 is kept, the upper frame 4 is vertically pressed down, the four groups of lower folding plates 2 and the upper folding plates 3 at the corners are synchronously driven by the upper frame 4 to be folded, when the upper frame 4 is integrally flattened on the bottom plate 1, the combination of the four groups of lower folding plates 2 and the upper folding plates 3 is just folded and stored in the storage groove 11, at the moment, the lower end of the pressing plate 32 is retracted into the cavity groove in the upper frame 4, so that the full folding effect cannot be influenced, and finally the cover plate 5 is closed, and the four pressing plates 32 are pressed again in the rotating self-locking process of the cover plate 5, so that the pressing plates 32 overcome the resistance of the first springs 33 again and are inserted into the corresponding clamping grooves 31 according to the second locking track, the box body is locked again in a flattened shape, the flattened box body is prevented from being opened randomly, the box body is further protected, the flattened box body is in the optimal folding storage state, the occupied space is small, and the box body can be stably stacked.

Supplementary explanation: the user can insert the recess 51 through the unblock ware of external adaptation, realize through magnetism coil 52 that PCB control panel 53 is circular telegram to input corresponding password on the unblock ware, drive cam 54 rotation through PCB control panel 53 control built-in micromotor, cam 54 and the protruding position contact of lockpin 55 inner, promote lockpin 55 and locked groove 57 separation, can open apron 5 this moment, take out article, and it is to be noted that the use of unblock ware adopts current conventional password and control technique, and is not described here.

Although the present invention has been described with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements and changes may be made without departing from the spirit and principles of the present invention.

Claims

1. Foldable material turnover device, including bottom plate (1), its characterized in that: four corners of bottom plate (1) have all been seted up and have been accomodate groove (11), and accomodate the outer end in groove (11) and articulate folding board (2) down to folding board (3) have been articulated to folding board (2)'s upper end down, folding board (3)'s upper end articulates has frame (4) on, and installs apron (5) of rotation type in the center logical inslot of frame (4) on, be provided with two state locating component between folding board (3) and apron (5), and install self-locking mechanism between apron (5) and the upper frame (4), and braided rope (6) have been laid to the edge of upper frame (4) lower surface and the edge of bottom plate (1) upper surface.

2. A collapsible material transfer unit as claimed in claim 1 wherein: the upper end laminating in the outside of going up folding board (3) is provided with the dog that is fixed in upper frame (4), and the lateral wall laminating of lower folding board (2) after rotatory opening is connected with the inner wall of accomodating groove (11).

3. A collapsible material transfer unit as claimed in claim 1 wherein: after the combination of the upper frame (4) and the bottom plate (1) is opened, the braided rope (6) is tensioned to form flexible side edges, the upper frame (4) and the bottom plate (1) are square, and the side length of a square central through groove of the upper frame (4) is larger than that of the bottom plate (1).

4. A collapsible material transfer unit as claimed in claim 1 wherein: the self-locking mechanism comprises a clamping groove (31), a pressing plate (32) and a first spring (33), wherein the clamping groove (31) is formed in the inner side of the upper folding plate (3), the pressing plate (32) is arranged in the upper frame (4) in a telescopic sliding mode, the first spring (33) is wound on the outer wall of the pressing plate (32), one end of the first spring (33) is welded on the outer wall of the end portion of the pressing plate (32), a limit groove matched with the sliding mode is formed in the upper frame (4), and the other end of the first spring (33) is fixed on the inner wall of the limit groove.

5. A collapsible material transfer unit as claimed in claim 4 wherein: the pressing plate (32) is arranged in an I shape, the surface of one end of the pressing plate (32) is obliquely arranged, and the inclined surface of the end part of the pressing plate (32) is tightly attached to the inner side wall of the upper folding plate (3).

6. A collapsible material transfer unit as claimed in claim 1 wherein: the self-locking mechanism comprises a groove (51), a magnetic induction coil (52), a PCB control board (53), a cam (54), a lock pin (55), a second spring (56) and a lock groove (57), wherein the groove (51) is formed in the upper surface of the cover plate (5), a cavity groove is formed in the cover plate (5), the magnetic induction coil (52) is wound on the inner wall of the cavity groove corresponding to the groove (51), the PCB control board (53) is electrically connected to the lower part of the magnetic induction coil (52), the PCB control board (53) is electrically connected with a motor arranged in the cavity groove of the cover plate (5), the output end of the motor is fixedly provided with the cam (54), the lock pin (55) penetrates through the cavity groove in a sliding mode, one end of the second spring (56) is welded on the outer wall of the lock pin (55), the other end of the second spring (56) is fixed on the inner wall of the cavity groove, the lock groove (57) is formed in the side wall of the center groove of the upper frame (4), and the end of the lock pin (55) is clamped in the inner part of the lock groove (57).

7. The foldable material transfer unit of claim 6, wherein: the end of the lock pin (55) is arranged obliquely upwards, the lock groove (57) is matched with the inclined end of the lock pin (55), a downward bulge-shaped structure is arranged at the inner end of the lock pin (55), and the bulge-shaped structure of the cam (54) and the bulge-shaped structure of the inner end of the lock pin (55) are mutually attached.