CN214647887U

CN214647887U - Box body expansion device and box body structure applying same

Info

Publication number: CN214647887U
Application number: CN202120824374.0U
Authority: CN
Inventors: 刘凯
Original assignee: Kaicheng Rv Technology Tianjin Co ltd
Current assignee: Kaicheng Rv Technology Tianjin Co ltd
Priority date: 2021-04-21
Filing date: 2021-04-21
Publication date: 2021-11-09
Anticipated expiration: 2031-04-21

Abstract

The utility model discloses a box extension arrangement and applied extension arrangement's box structure, extension arrangement install at the box structurally, and extension arrangement includes: the box body, the space expansion plate and the telescopic driving mechanism; one side of the top plate is hinged with one side of the side wall of the box body; the space expansion board is a folding board mechanism formed by connecting a driving expansion board, two driven expansion boards and two auxiliary expansion boards; two ends of the first telescopic mechanism are respectively connected to the box body and the top plate; two ends of the second telescopic mechanism are respectively connected to the box body and the first active expansion plate; when the bed is in rest, the driving expansion plate, the driven expansion plate and the auxiliary expansion plate are sequentially unfolded to form a three-dimensional skylight structure and are abutted against the bottom end face of the top plate to form a sealed expansion space, the structure is stable, and the safety coefficient is high; during the journey that starts, space expansion board and roof reset gradually, accomodate to the top of box body, guarantee 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 a sojourn car equipment field, more specifically the extension device that is used for extending sojourn car space that says so relates to.

Background

The motor caravan is called as 'home on wheels', has two functions of 'house' and 'car', has the attribute of car, and is a mobile car type with essential basic facilities for home. If the space of the carriage is not large enough, the comfort is influenced, but the carriage is too large, the resistance is large in the driving process, the trafficability is poor, and the influence of the environment is large; the shelter used as a disaster relief tool and an outdoor life tool also has the problem of large space and inconvenient transportation.

The internal spaces of the common motor caravan and the shelter are fixed, if a large space is needed, a larger structure is needed, the price is very high generally, and the limitation is more; although in current structure, 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 has additionally increased the car inner space, kills two birds with one stone.

However, the existing expanding devices are supported by supports and are in a structure covered by soft enclosing barriers, so that the expanding devices are poor in strength, easy to damage by branches or tools, short in service life and high in potential safety hazard.

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

In view of the above, the present invention is directed to a box expanding device to solve at least one of the above technical problems in the prior art at a certain length.

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

a case expanding apparatus, comprising: the box body, the space expansion plate and the telescopic driving mechanism;

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

the space expansion board comprises a driving expansion board, a driven expansion board and an auxiliary expansion board; the two driving expansion plates and the two driven expansion plates are arranged; the active expansion board is provided with a first box body connecting edge, a first expansion board connecting edge and a first top board connecting edge; the driven expansion plate is provided with an expansion plate connecting edge II, an auxiliary plate connecting edge I and a top plate connecting edge II; the auxiliary expansion board is provided with a second box body connecting edge, a second symmetrical auxiliary board connecting edge and a third top board connecting edge;

the two active expansion plates are symmetrically arranged, and the first box body connecting edge of each active expansion plate is hinged with the top edge of the corresponding side wall of the box body; the second box body connecting edge of the auxiliary expansion board is hinged with the top edge of the corresponding side wall of the box body; the expansion board connecting edge II and the auxiliary board connecting edge I of the two driven expansion boards are respectively hinged with the expansion board connecting edge I and the auxiliary board connecting edge II on the corresponding sides;

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 box body, and the telescopic end of the first telescopic mechanism is hinged to the top plate; two telescopic mechanisms are arranged, the fixed ends of the two telescopic mechanisms are movably connected to the inner wall of the box body, and the telescopic ends of the two telescopic mechanisms are movably connected to the inner side wall of the first active expansion plate;

when the driving expansion plate rotates to be perpendicular to the side wall of the box body, the driving expansion plate, the driven expansion plate and the auxiliary expansion plate are folded into a plane, and the top plate covers the top of the box body; when the driving expansion plate rotates to be in the same plane with the side wall of the box body, the driving expansion plate, the driven expansion plate and the auxiliary expansion plate are unfolded, and the top plate covers the skylight formed by the first top plate connecting edge, the second top plate connecting edge and the third top plate connecting edge.

According to the technical scheme, compared with the prior art, the utility model discloses a box expansion device uses polylith panel to connect into folding linkage plate mechanism, when needs have a rest, telescopic machanism one promotes the roof and rotates the lifting along the topside of box body, two telescopic machanism two promote the initiative expansion board upwards simultaneously, make it be in the coplanar with the lateral wall of box body, driven expansion board and supplementary expansion board expand in proper order under the drive of initiative expansion board this moment, form three-dimensional skylight structure, the mouth of wearing of skylight structure and the bottom terminal surface butt of roof, form sealed extension space, stable in structure, the factor of safety is high; when needs are transported, the first telescopic mechanism and the second telescopic mechanism drive the space expansion plate and the top plate to reset in sequence, the space expansion plate is in a folding storage state and is stored to the top of the box body again, the trafficability characteristic is guaranteed, and wind resistance and energy consumption are reduced.

Preferably, in the above box body extension device, the top plate is connected with the corresponding side wall of the box body through a long hinge;

the first box body connecting edge is connected with the top edge of the corresponding side wall of the 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 box body through a long hinge; the first expansion board connecting edge is connected with the second expansion board connecting edge through a long hinge; the first auxiliary plate connecting edge is connected with the second auxiliary plate connecting edge through a long hinge.

Preferably, in the above-mentioned box extension device, the inner and outer side walls of the box body, the side wall of the top plate and the bottom surface of the active extension plate are respectively provided with a movable connection base, 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 connection base.

Preferably, in a box extension fixture of foretell, on the initiative expansion plate the swing joint seat is in the focus position of panel, and this scheme can be convenient for telescopic machanism two prop up the plate body and reset, avoids screens or dead condition emergence of lock.

Preferably, in a foretell box extension device, the roof the initiative expansion board driven expansion board with pass through between the supplementary expansion board the position that the long closed page or leaf is connected all sets up flexible sealing layer, and this scheme can compromise the leakproofness under the condition that does not hinder the linkage state of space expansion board, is favorable to keeping warm, protection against insects, waterproof, promotes security and travelling comfort.

Preferably, in a box extension fixture of foretell, the roof the initiative expansion board driven expansion board with supplementary expansion board all adopts hard board preparation, and this scheme can prevent that space expansion board from being cut apart or artificial damage when using, and intensity is higher, and factor of safety is higher.

Preferably, in an above-mentioned box extension device, two roof connection limit one, two roof connection limit two and all set up the sealing strip on the roof connection limit three, this scheme can further guarantee the leakproofness of box body.

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

the plate surface of the active expansion plate is a right triangle, the bevel edge of the active expansion plate is a first box connecting edge, the long right angle edge is a first top plate connecting edge, and the short right angle edge is a first expansion plate connecting edge; the driven expansion plate is a right-angled triangle, the hypotenuse of the driven expansion plate is a first auxiliary plate connecting edge, the long right-angled edge of the driven expansion plate is a second expansion plate connecting edge, and the short right-angled edge of the driven expansion plate is a second top plate connecting edge; the auxiliary expansion board is in an isosceles trapezoid shape, the top edge of the auxiliary expansion board is a top board connecting edge III, the waist lines on the two sides of the auxiliary expansion board are two auxiliary board connecting edges II, and the bottom edge of the auxiliary expansion board is a box body connecting edge II;

the first expansion board connecting edge has the same length as the second expansion board connecting edge, and the first auxiliary board connecting edge has the same length as the second auxiliary board connecting edge;

the first box body connecting edge and the second box body connecting edge are respectively the same as the long edge and the short edge of the box body in length; the scheme is a specific implementation mode of the product.

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.

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

Can know via foretell technical scheme, compare with prior art, the utility model discloses an use extension device's box structure has the advantage that the extension space is stable, the security performance is high, and trafficability characteristic is strong, be convenient for transport.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be 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 tiled state of the middle space expansion board of the present invention;

FIG. 3 is a schematic view of the folded state of the middle space expansion board of the present invention;

FIG. 4 is a schematic structural view of the expanded state of the middle space expansion board of the present invention;

fig. 5 is a schematic diagram of the exploded state of the middle space expansion board of the present invention.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to 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", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, 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 meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

Example 1

Please refer to fig. 1-4, which are a box expanding apparatus of the present invention, comprising: the device comprises a box body 1, a space expansion plate 2 and a telescopic driving mechanism;

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

the space expansion board 2 comprises a driving expansion board 21, a driven expansion board 22 and an auxiliary expansion board 23; two driving expansion plates 21 and two driven expansion plates 22 are arranged; the active expansion board 21 is provided with a first box connecting edge 210, a first expansion board connecting edge 211 and a first top board connecting edge 212; the driven expansion plate 22 is provided with an expansion plate connecting edge II 220, an auxiliary plate connecting edge I221 and a top plate connecting edge II 222; the auxiliary expansion board 23 is provided with a second box connecting edge 230, a second symmetrical auxiliary board connecting edge 231 and a third top board connecting edge 232;

the two active expansion plates 21 are symmetrically arranged, and the first box connecting edge 210 of each active expansion plate is hinged with the top edge of the corresponding side wall of the box body 1; the second box connecting edge 230 of the auxiliary expansion board 23 is hinged with the top edge of the corresponding side wall of the box body 1; the second expansion board connecting edge 220 and the first auxiliary board connecting edge 221 of the two driven expansion boards 22 are hinged with the first expansion board connecting edge 211 and the second auxiliary board connecting edge 231 on the corresponding sides 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 box body 1, and the telescopic end of the first telescopic mechanism is hinged with the top plate 10; two telescopic mechanisms are arranged, the fixed ends of the two telescopic mechanisms are movably connected to the inner wall of the box body 1, and the telescopic ends of the two telescopic mechanisms are movably connected to the inner side wall of the first active expansion plate 21;

when the driving expansion board 21 rotates to be perpendicular to the side wall of the box body 1, the driving expansion board 21, the driven expansion board 22 and the auxiliary expansion board 23 are folded into a plane, and the top board 10 covers the top of the box body 1; when the driving expansion board 21 rotates to be in the same plane with the side wall of the box body 1, the driving expansion board 21, the driven expansion board 22 and the auxiliary expansion board 23 are unfolded, and the top board 10 covers the skylight formed by the first top board connecting edge 212, the second top board connecting edge 222 and the third top board connecting edge 232.

Specifically, the box body 1 is a square box body, the length and width of the top plate 10 of the box body are both larger than those of the box body 1, and a sealing flange is formed at the edge;

the plate surface of the active expansion plate 21 is a right triangle, the bevel edge of the active expansion plate is a box connecting edge I210, the long right angle edge is a top plate connecting edge I212, and the short right angle edge is an expansion plate connecting edge I211; the driven expansion board 22 is a right triangle, the hypotenuse of the driven expansion board is a first auxiliary board connecting edge 221, the long right-angle edge of the driven expansion board is a second expansion board connecting edge 220, and the short right-angle edge of the driven expansion board is a second top board connecting edge 222; the auxiliary expansion board 23 is an isosceles trapezoid, the top edge of the auxiliary expansion board is a top board connecting edge three 232, the waist lines at the two sides of the auxiliary expansion board are two auxiliary board connecting edges two 231, and the bottom edge of the auxiliary expansion board is a box body connecting edge two 230;

the first expansion board connecting edge 211 and the second expansion board connecting edge 220 are the same in length, and the first auxiliary board connecting edge 221 and the second auxiliary board connecting edge 231 are the same in length;

the first box connecting edge 210 and the second box connecting edge 230 are respectively the same as the long edge and the short edge of the box body 1 in length.

Specifically, the first telescopic mechanism and the second telescopic mechanism are electric push rod mechanisms, gas spring supporting mechanisms or hydraulic telescopic rod mechanisms.

In order to further optimize the technical scheme, the top plate 10 is connected with the corresponding side wall of the 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 box body 1 through a long hinge; the second box connecting edge 230 is connected with the top edge of the corresponding side wall of the box body 1 through a long hinge; the first expansion board connecting edge 211 is connected with the second expansion board connecting edge 220 through a long hinge; the first auxiliary board connecting edge 221 is connected with the second auxiliary board connecting edge 231 through a long hinge.

In order to further optimize the technical scheme, the inner side wall and the outer side wall of the box body 1, the side wall of the top plate 10 and the bottom surface of the active expansion 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 active expansion 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 driving expansion plate 21, the driven expansion plate 22 and the auxiliary expansion plate 23 are connected through the long hinge.

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

Specifically, the top plate 10, the driving expansion plate 21, the driven expansion plate 22, and the auxiliary expansion plate 23 are made of any hard plate material such as a stainless steel plate, an iron plate, or an alloy plate.

In order to further optimize the technical scheme, the two top plate connecting edges one 212, the two top plate connecting edges two 222 and the top plate connecting edge three 232 are respectively provided with a sealing strip.

Example 2

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 invention. 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: the device comprises a box body (1), a space expansion plate (2) and a telescopic driving mechanism;

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

the space expansion board (2) comprises a driving expansion board (21), a driven expansion board (22) and an auxiliary expansion board (23); the two driving expansion plates (21) and the two driven expansion plates (22) are arranged; the active expansion board (21) is provided with a first box connecting edge (210), a first expansion board connecting edge (211) and a first top board connecting edge (212); the driven expansion plate (22) is provided with a second expansion plate connecting edge (220), a first auxiliary plate connecting edge (221) and a second top plate connecting edge (222); the auxiliary expansion plate (23) is provided with a second box connecting edge (230), two symmetrical second auxiliary plate connecting edges (231) and a third top plate connecting edge (232);

the two active expansion plates (21) are symmetrically arranged, and the first box connecting edge (210) of each active expansion plate is hinged with the top edge of the corresponding side wall of the box body (1) respectively; the second box connecting edge (230) of the auxiliary expansion board (23) is hinged with the top edge of the corresponding side wall of the box body (1); the second expansion board connecting edge (220) and the first auxiliary board connecting edge (221) of the two driven expansion boards (22) are hinged with the first expansion board connecting edge (211) and the second auxiliary board connecting edge (231) on the corresponding sides 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 box body (1), and the telescopic end of the first telescopic mechanism is hinged to the top plate (10); two telescopic mechanisms are arranged, the fixed ends of the two telescopic mechanisms are movably connected to the inner wall of the box body (1), and the telescopic ends of the two telescopic mechanisms are movably connected to the inner side wall of the first active expansion plate (21);

when the driving expansion plate (21) rotates to be perpendicular to the side wall of the box body (1), the driving expansion plate (21), the driven expansion plate (22) and the auxiliary expansion plate (23) are folded into a plane, and the top plate (10) covers the top of the box body (1); when the driving expansion plate (21) rotates to be in the same plane with the side wall of the box body (1), the driving expansion plate (21), the driven expansion plate (22) and the auxiliary expansion plate (23) are expanded, and the top plate (10) covers a skylight formed by the top plate connecting edge I (212), the top plate connecting edge II (222) and the top plate connecting edge III (232) together.

2. A box expansion device according to claim 1, characterized in that said top plate (10) is connected with the corresponding side wall of said box body (1) by means of a long hinge;

the first box body connecting edge (210) is connected with the top edge of the corresponding side wall of the box body (1) through a long hinge; the second box connecting edge (230) is connected with the top edge of the corresponding side wall of the box body (1) through a long hinge; the first expansion board connecting edge (211) is connected with the second expansion board connecting edge (220) through a long hinge; the auxiliary board connecting edge I (221) is connected with the auxiliary board connecting edge II (231) through a long hinge.

3. A box expansion device according to claim 2, wherein the inner and outer side walls of the box body (1), the side walls of the top plate (10) and the bottom surface of the active expansion plate (21) are respectively provided with a movable connecting base, 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 base.

4. A tank expansion device according to claim 3, characterized in that said mobile connection seat on said active expansion plate (21) is located at the centre of gravity of the plate.

5. A tank expansion device according to claim 4, characterized in that flexible sealing layers are provided at the positions of connection between said top plate (10), said driving expansion plate (21), said driven expansion plate (22) and said auxiliary expansion plate (23) through said hinge.

6. A tank expansion device according to claim 5, characterized in that said top plate (10), said driving expansion plate (21), said driven expansion plate (22) and said auxiliary expansion 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 two first ceiling connecting edges (212), two second ceiling connecting edges (222) and three ceiling connecting edges (232).

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

the plate surface of the active expansion plate (21) is a right-angled triangle, the hypotenuse of the active expansion plate is a first box connecting edge (210), the long right-angled edge is a first top plate connecting edge (212), and the short right-angled edge is a first expansion plate connecting edge (211); the driven expansion board (22) is a right-angled triangle, the hypotenuse of the driven expansion board is a first auxiliary board connecting edge (221), the long right-angled edge of the driven expansion board is a second expansion board connecting edge (220), and the short right-angled edge of the driven expansion board is a second top board connecting edge (222); the auxiliary expansion board (23) is an isosceles trapezoid, the top edge of the auxiliary expansion board is a top board connecting edge III (232), the waist lines at two sides of the auxiliary expansion board are two auxiliary board connecting edges II (231), and the bottom edge of the auxiliary expansion board is a box body connecting edge II (230);

the first expansion board connecting edge (211) and the second expansion board connecting edge (220) are the same in length, and the first auxiliary board connecting edge (221) and the second auxiliary board connecting edge (231) are the same in length;

the first box connecting edge (210) and the second box connecting edge (230) are respectively the same as the length of the long edge and the length of the short edge of the 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.