CN215971296U

CN215971296U - Box body expansion device and box body structure applying same

Info

Publication number: CN215971296U
Application number: CN202121547879.3U
Authority: CN
Inventors: 刘凯
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-07-08
Filing date: 2021-07-08
Publication date: 2022-03-08
Anticipated expiration: 2031-07-08

Abstract

The utility model discloses a box body expanding device and a box body structure applying the same, wherein the expanding device is arranged on the box body structure and comprises: the connecting plate mechanism and the telescopic driving mechanism are arranged on the main box body; one side of the top plate is hinged with one side of the side wall of the main box body and is driven by a first telescopic mechanism; the main driving plate, the two transition connecting plates and the two driven plates are connected to form a connecting plate mechanism, hinged to the top edge of the main box body and driven by a second telescopic mechanism; during expansion, the main driving plate, the transition connecting plate and the driven plate are sequentially unfolded to form an expansion cabin structure and abut against the bottom end face of the top plate, so that space sealing is realized, the structure is stable, and the safety coefficient is high; when accomodating, even board mechanism and roof reset in proper order, have guaranteed the trafficability characteristic, reduce the windage and advance and the energy consumption.

Description

Box body expansion device and box body structure applying same

Technical Field

The utility model relates to the field of box space expanding devices, in particular to an expanding device for expanding box space.

Background

There are a lot of box structures in the life, if remove board house, sojourn car carriage or shelter etc. its inner space just can not change from building the completion, but under normal use state, often need bigger space to supply people to move about, if initial state just builds the inconvenience that too big box structure can bring the trafficability characteristic, has very big problem in the transportation, and can increase by a wide margin in the cost.

Therefore, some sojourn car and shelter self set up extension device, are in the state of accomodating in the transportation of driving, and it is less influenced by the road conditions, when needing the rest, expandes it, then additionally increased the car inner space, kills two birds with one stone.

However, the existing expanding device is supported by a support and is in a structure covered by a soft surrounding baffle, so that the expanding device is poor in strength, easy to damage by branches or tools, short in service life and capable of achieving overall expansion and storage due to the fact that a complex linkage structure is needed, and the problem that storage difficulty is large exists.

Therefore, how to provide an expansion device with high safety performance is a problem that needs to be solved urgently by those skilled in the art.

SUMMERY OF THE UTILITY MODEL

The present invention is directed to a case expanding device, which solves at least one of the above problems of the prior art over a certain length.

In order to achieve the purpose, the utility model adopts the following technical scheme:

a box body expanding device comprises a connecting plate mechanism and a telescopic driving mechanism which are arranged on a main box body;

the top plate of the main box body is a movable plate, and one side of the top plate is hinged with the top edge of the corresponding side wall of the main box body;

the connecting plate mechanism comprises a main driving plate, a transition connecting plate and a driven plate; the main driving plate is a rectangular plate, the bottom edge of the main driving plate is a first box connecting edge, two side edges of the main driving plate are first transition plate connecting edges, and the top edge of the main driving plate is a first top plate connecting edge; the two transition connecting plates are both right-angled triangular plates, two right-angled edges of the transition connecting plates are respectively a second transition plate connecting edge and a second top plate connecting edge, and the bevel edge is a first driven plate connecting edge; the driven plate is provided with two triangular plates with obtuse angles, two sides of the group with the obtuse angles are respectively corresponding to a driven plate connecting side II and a top plate connecting side III, and the other side is a box body connecting side II;

the first box body connecting edge is hinged with the top edge of the side wall of the main box body and is arranged opposite to the top plate; the two transition plate connecting edges II are respectively hinged with the transition plate connecting edges I on the corresponding side, the two driven plate connecting edges II are respectively hinged with the driven plate connecting edges I on the corresponding side, and the two box body connecting edges II are respectively hinged with the top edges of the side walls of the corresponding side of the main box body;

the telescopic driving mechanism comprises a first telescopic mechanism and a second telescopic mechanism; the fixed end of the first telescopic mechanism is movably connected to the outer wall of the main box body, and the telescopic end of the first telescopic mechanism is hinged to the top plate; the fixed end of the second telescopic mechanism is movably connected to the inner wall of the main box body, and the telescopic end of the second telescopic mechanism is movably connected to the inner side wall of the main driving plate;

when the main driving plate is parallel to the top end face of the main box body, the main driving plate, the transition connecting plate and the driven plate are folded into a plane, and the top plate covers the top of the main box body; when the main driving plate is turned upwards and forms an included angle with the top end face of the main box body, the main driving plate, the transition connecting plate and the driven plate jointly form an expansion cabin, and the top plate covers the top of the expansion cabin formed by the first top plate connecting edge, the second top plate connecting edge and the third top plate connecting edge.

Preferably, in the above box body extension apparatus, the top plate is connected to the corresponding side wall of the main box body through a hinge;

the first box body connecting edge is connected with the top edge of the corresponding side wall of the main box body through a long hinge; the second box body connecting edge is connected with the top edge of the corresponding side wall of the main box body through a long hinge; the first transition plate connecting edge is connected with the second transition plate connecting edge through a long hinge; and the first connecting edge of the driven plate is connected with the second connecting edge of the driven plate through the long hinge.

Preferably, in the above-mentioned box body extension device, the inner side wall and the outer side wall of the main box body, the side wall of the top plate, and the inner side surface of the main drive plate are respectively provided with a movable connection seat, and fixed ends and telescopic ends of the first telescopic mechanism and the second telescopic mechanism are respectively hinged to the corresponding movable connection seats.

Preferably, in the box body expansion device, the movable connecting seat on the main driving plate is located at the center of gravity of the plate.

Preferably, in the above-mentioned box body expanding device, flexible sealing layers are disposed at positions where the top plate, the main driving plate, the transition connecting plate and the driven plate are connected by the hinge,

preferably, in a box extension fixture of foretell, the roof the main drive board the transition connecting plate with the driven plate all adopts hard board preparation, and this scheme can prevent even board mechanism by the fracture or artificial damage when using, and intensity is higher, and factor of safety is higher.

Preferably, in the above-mentioned box body extension device, sealing strips are disposed on the two first top plate connecting edges, the two second top plate connecting edges and the three top plate connecting edges.

Preferably, in the above-mentioned box body extension apparatus, the main box body is a square box body, the length and width of the top plate of the main box body are both greater than those of the main box body, and a sealing flange is formed at the edge;

the first transition plate connecting edge is as long as the second transition plate connecting edge, and the first driven plate connecting edge is as long as the second driven plate connecting edge;

the first box body connecting edge and the second box body connecting edge are respectively the same as the short edge and the long edge of the main box body in length.

Preferably, in the above-mentioned box body expanding device, the first telescopic mechanism and the second telescopic mechanism are an electric push rod mechanism, an air spring support mechanism or a hydraulic telescopic rod mechanism.

Compared with the prior art, the utility model discloses and provides a box body expanding device, which has the advantages that:

the structure can give consideration to the sealing property under the condition of not interfering the linkage state of the connecting plate mechanism, is favorable for heat preservation, insect prevention and water prevention, and improves the safety and the comfort;

the foldable connecting plate mechanism is formed by hinging a plurality of plates, when the space needs to be expanded, the first telescopic mechanism pushes the top plate to rotate and lift along the top edge of the main box body, the second telescopic mechanism drives the main driving plate to upwards overturn so as to form an included angle with the top end face of the main box body, the transition connecting plate and the driven plate are sequentially unfolded under the driving of the main driving plate to form an expansion cabin, the top end face of the expansion cabin is abutted and sealed with the top plate of the main box body to form a sealed cabin body space, the structure is stable, and the safety coefficient is high; when the extension cabin body is required to be stored, the second telescopic mechanism and the second telescopic mechanism drive the connecting plate mechanism and the top plate to reset in sequence, the connecting plate mechanism is in a folding storage state, the trafficability characteristic is improved, and the wind resistance and the energy consumption are reduced.

A box structure applying an expansion device comprises the expansion device.

Compared with the prior art, the utility model discloses a box structure applying an expansion device, which has the advantages that:

the expansion space is stable, the safety performance is high, the trafficability characteristic is strong, and the transportation is convenient.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.

FIG. 1 is a side view of the present invention;

FIG. 2 is a schematic view of the flat state of the connecting plate mechanism of the present invention;

FIG. 3 is a schematic view of the linkage in a folded state according to the present invention;

FIG. 4 is a schematic structural view of the linkage mechanism of the present invention in an expanded state;

FIG. 5 is a schematic exploded view of the link mechanism of the present invention.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

Example 1

Please refer to fig. 1-5, which are a box expanding apparatus of the present invention, comprising: the connecting plate mechanism 2 and the telescopic driving mechanism are arranged on the main box body 1;

a top plate 10 of the main box body 1 is a movable plate, and one side of the top plate 10 is hinged with the top edge of the corresponding side wall of the main box body 1;

the connecting plate mechanism 2 comprises a main driving plate 21, a transition connecting plate 22 and a driven plate 23; the main driving plate 21 is a rectangular plate, the bottom edge of the main driving plate is a first box connecting edge 210, the two side edges are first transition plate connecting edges 211, and the top edge is a first top plate connecting edge 212; the transition connecting plate 22 is provided with two right-angle triangular plates, two right-angle sides of the transition connecting plate are respectively a second transition plate connecting side 220 and a second top plate connecting side 221, and the bevel edge is a first driven plate connecting side 222; the driven plate 23 is provided with two triangular plates with obtuse angles, two sides of the group with the obtuse angles are respectively corresponding to a driven plate connecting side II 230 and a top plate connecting side III 231, and the other side is a box body connecting side II 232;

the first box connecting edge 210 is hinged with the top edge of the side wall of the main box 1 and is arranged opposite to the top plate 10; the two second transition plate connecting edges 220 are hinged with the first transition plate connecting edges 211 on the corresponding side respectively, the two second driven plate connecting edges 230 are hinged with the first driven plate connecting edges 222 on the corresponding side respectively, and the two second box body connecting edges 232 are hinged with the top edges of the side walls on the corresponding side of the main box body 1 respectively;

the telescopic driving mechanism comprises a first telescopic mechanism and a second telescopic mechanism; the fixed end of the first telescopic mechanism is movably connected to the outer wall of the main box body 1, and the telescopic end of the first telescopic mechanism is hinged with the top plate 10; the fixed end of the second telescopic mechanism is movably connected to the inner wall of the main box body 1, and the telescopic end of the second telescopic mechanism is movably connected to the inner side wall of the main driving plate 21;

when the main driving plate 21 is parallel to the top end face of the main box body 1, the main driving plate 21, the transition connecting plate 22 and the driven plate 23 are folded into a plane, and the top plate 10 covers the top of the main box body 1; when the main driving plate 21 is turned upwards to form an included angle with the top end face of the main box body 1, the main driving plate 21, the transition connecting plate 22 and the driven plate 23 jointly form an expansion cabin, and the top plate 10 covers the top of the expansion cabin formed by the first top plate connecting edge 212, the second top plate connecting edge 221 and the third top plate connecting edge 231 jointly.

In order to further optimize the technical scheme, the top plate 10 is connected with the corresponding side wall of the main box body 1 through a long hinge;

the first box connecting edge 210 is connected with the top edge of the corresponding side wall of the main box 1 through a long hinge; the second box connecting edge 232 is connected with the top edge of the corresponding side wall of the main box 1 through a long hinge; the first transition plate connecting edge 211 is connected with the second transition plate connecting edge 220 through a long hinge; the first driven plate connecting edge 222 is connected with the second driven plate connecting edge 230 through a long hinge.

In order to further optimize the technical scheme, the inner side wall and the outer side wall of the main box body 1, the side wall of the top plate 10 and the inner side surface of the main driving plate 21 are respectively provided with a movable connecting seat, and the fixed ends and the telescopic ends of the first telescopic mechanism and the second telescopic mechanism are respectively hinged with the corresponding movable connecting seats.

In order to further optimize the technical scheme, the movable connecting seat on the main driving plate 21 is positioned at the gravity center position of the plate.

In order to further optimize the technical scheme, flexible sealing layers are arranged at the positions where the top plate 10, the main driving plate 21, the transition connecting plate 22 and the driven plate 23 are connected through long hinges.

In order to further optimize the technical scheme, the top plate 10, the main driving plate 21, the transition connecting plate 22 and the driven plate 23 are all made of hard plates.

In order to further optimize the technical scheme, the first top plate connecting edge 212, the second two top plate connecting edges 221 and the third two top plate connecting edges 231 are all provided with sealing strips.

In order to further optimize the technical scheme, the main box body 1 is a square box body, the length and width of the top plate 10 of the main box body are both larger than those of the main box body 1, and a sealing flange is formed at the edge;

the first transition plate connecting edge 211 is as long as the second transition plate connecting edge 220, and the first driven plate connecting edge 222 is as long as the second driven plate connecting edge 230;

the first box connecting edge 210 and the second box connecting edge 232 are respectively the same as the short edge and the long edge of the main box 1 in length.

In order to further optimize the technical scheme, the first telescopic mechanism and the second telescopic mechanism are electric push rod mechanisms, gas spring supporting mechanisms or hydraulic telescopic rod mechanisms.

Example 2

A box structure applying an expanding device comprises the expanding device in the example 1.

A box structure applying an expansion device comprises the expansion device, and the expansion device is the expansion device in the example 1.

Example 3

The compartment of the motor caravan is in the box structure in the example 2.

Example 4

A shelter applying an expansion device is provided, and a shelter body of the shelter is of a box body structure in example 2.

The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other. The device disclosed by the embodiment corresponds to the method disclosed by the embodiment, so that the description is simple, and the relevant points can be referred to the method part for description.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the utility model. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A case expanding device, comprising: a connecting plate mechanism (2) and a telescopic driving mechanism which are arranged on the main box body (1);

a top plate (10) of the main box body (1) is a movable plate, and one side of the top plate (10) is hinged with the top edge of the corresponding side wall of the main box body (1);

the connecting plate mechanism (2) comprises a main driving plate (21), a transition connecting plate (22) and a driven plate (23); the main driving plate (21) is a rectangular plate, the bottom edge of the main driving plate is a box body connecting edge I (210), the two side edges are transition plate connecting edges I (211), and the top edge is a top plate connecting edge I (212); the transition connecting plate (22) is provided with two right-angle triangular plates, two right-angle sides of the transition connecting plate are respectively a second transition plate connecting side (220) and a second top plate connecting side (221), and the bevel edge is a first driven plate connecting side (222); the driven plate (23) is provided with two triangular plates which are all obtuse-angle triangular plates, two sides of the group which are obtuse-angle are respectively corresponding to a driven plate connecting side II (230) and a top plate connecting side III (231), and the other side is a box body connecting side II (232);

the first box body connecting edge (210) is hinged with the top edge of the side wall of the main box body (1) and is arranged opposite to the top plate (10); the two second transition plate connecting edges (220) are respectively hinged with the first transition plate connecting edges (211) on the corresponding side, the two second driven plate connecting edges (230) are respectively hinged with the first driven plate connecting edges (222) on the corresponding side, and the two second box body connecting edges (232) are respectively hinged with the top edges of the side walls on the corresponding side of the main box body (1);

the telescopic driving mechanism comprises a first telescopic mechanism and a second telescopic mechanism; the fixed end of the first telescopic mechanism is movably connected to the outer wall of the main box body (1), and the telescopic end of the first telescopic mechanism is hinged to the top plate (10); the fixed end of the second telescopic mechanism is movably connected to the inner wall of the main box body (1), and the telescopic end of the second telescopic mechanism is movably connected to the inner side wall of the main driving plate (21);

when the main driving plate (21) is parallel to the top end face of the main box body (1), the main driving plate (21), the transition connecting plate (22) and the driven plate (23) are folded into a plane, and the top plate (10) covers the top of the main box body (1); when the main driving plate (21) is turned upwards and forms an included angle with the top end face of the main box body (1), the main driving plate (21), the transition connecting plate (22) and the driven plate (23) jointly form an expansion cabin, and the top plate (10) covers the top of the expansion cabin formed by the top plate connecting edge I (212), the top plate connecting edge II (221) and the top plate connecting edge III (231) jointly.

2. A cabinet expansion device according to claim 1, wherein said top plate (10) is connected with the corresponding side wall of said main cabinet (1) by a hinge;

the first box body connecting edge (210) is connected with the top edge of the corresponding side wall of the main box body (1) through a long hinge; the second box body connecting edge (232) is connected with the top edge of the corresponding side wall of the main box body (1) through a long hinge; the first transition plate connecting edge (211) is connected with the second transition plate connecting edge (220) through a long hinge; the first connecting edge (222) of the driven plate is connected with the second connecting edge (230) of the driven plate through a long hinge.

3. The box expansion device according to claim 2, wherein the inner and outer side walls of the main box (1), the side wall of the top plate (10) and the inner side surface of the main driving plate (21) are respectively provided with a movable connecting base, and the fixed end and the telescopic end of the first telescopic mechanism and the second telescopic mechanism are respectively hinged with the corresponding movable connecting base.

4. A case extension device according to claim 3, wherein said articulated connection on said main driving plate (21) is located at the centre of gravity of the sheet material.

5. A tank expansion device according to claim 4, characterized in that flexible sealing layers are arranged at the positions where said top plate (10), said main driving plate (21), said transition connecting plate (22) and said driven plate (23) are connected through said hinge.

6. A tank expansion device according to claim 5, characterized in that said top plate (10), said main driving plate (21), said transition connection plate (22) and said driven plate (23) are all made of hard plates.

7. A tank expansion device according to claim 6, characterized in that sealing strips are arranged on the first ceiling connecting edge (212), the two second ceiling connecting edges (221) and the two third ceiling connecting edges (231).

8. A tank expansion device according to claim 1, characterized in that said main tank (1) is a square tank, the length and width of the top plate (10) are larger than those of the main tank (1) and a sealing flange is formed at the edge;

the first transition plate connecting edge (211) and the second transition plate connecting edge (220) are the same in length, and the first driven plate connecting edge (222) and the second driven plate connecting edge (230) are the same in length;

the first box connecting edge (210) and the second box connecting edge (232) are respectively as long as the short edge and the long edge of the main box body (1).

9. A tank expansion device according to claim 1, wherein said first and second telescopic mechanisms are electric push rod mechanisms, gas spring support mechanisms or hydraulic telescopic rod mechanisms.

10. A cabinet structure for an application of an extension means, comprising an extension means, wherein the extension means is an extension means as claimed in any one of claims 1 to 9.