Box-type jacking expansion structure, box-type house structure and motor home

Abstract

The invention provides a box-type jacking expansion structure, a box-type house structure and a motor home, the box-type jacking expansion structure comprises a first box body and a second box body, and the second box body comprises a top surface, two covering surfaces and two non-covering surfaces; the second box body is connected with the first box body through a lifting mechanism; in a first state, the second box body is arranged outside the first box body in an overlapping manner; and in the second state, the second box body is lifted and fixed above the first box body. By means of the box type jacking expansion structure, the flexibility, practicability and safety of the box type system in the lifting process can be improved.

Description

Technical Field

[0001] The invention relates to the field of mobile simple houses and RVs, and in particular to a box-type lifting roof expansion structure, a box-type house structure and a RV. Background Art

[0002] Box expansion technology refers to the technology of expanding the internal space or enhancing its functions by adding structures, changing the layout or adding functional modules on the basis of the standard box. This technology has a wide range of applications, from temporary housing and offices to commercial facilities and special-purpose mobile units. The box can be extended in length through a telescopic mechanism to greatly increase the internal usable area. However, the existing technology has a roof height that is significantly lower than the bottom floor height, making it difficult to achieve full-height and fully enclosed roofing, and there is still room for further optimization.

[0003] To this end, a new structure is proposed, which can significantly improve the flexibility, practicality and safety of the lifting process of the box-type system. Summary of the invention

[0004] The present invention aims to provide a box-type lifting roof expansion structure, which can realize the full-height and fully-enclosed lifting roof of the box-type expansion structure, maximize the optimization of the bottom layer layout, and at the same time does not affect the appearance and transportation standards.

[0005] According to one aspect of the present invention, a box-type lifting roof expansion structure is provided, wherein the box-type lifting roof expansion structure comprises a first box body and a second box body:

[0006] The second box body comprises a top surface, two covering surfaces and two non-covering surfaces;

[0007] The second box is connected to the first box via a lifting mechanism;

[0008] In the first state, the second box is arranged outside the first box in a stacked manner;

[0009] In the second state, the second box is lifted to and fixed above the first box.

[0010] According to some embodiments, the lifting mechanism includes 2 to 4 electric cylinders:

[0011] The electric cylinder is fixed in the first box;

[0012] The piston rod of the electric cylinder is fixedly connected to the second box body;

[0013] The piston rod is used to drive the second box to lift or descend.

[0014] According to some embodiments, the non-covered surface includes a folding frame, a vertical guide rail and a rain gutter.

[0015] According to some embodiments, the piston rod is provided with a first high point position, a second working point position and a third low point position, wherein:

[0016] The first high point is the position where the folding frame performs a folding operation;

[0017] The second working point is a locking position of the folding frame and the vertical guide rail, the folding frame is embedded in the rainproof groove to form a locked state, and the first box body and the second box body are in the second state;

[0018] The third low point is when the folding frame is in a horizontal storage position, the second box is in a completely dropped position, and the first box and the second box are in a first state.

[0019] According to some embodiments, driving the second box to lift or lower:

[0020] During the lifting process, the piston rod first rises to the first high point, and then descends to the second working point, so that the folding frame is locked with the vertical guide rail, and the lower edge of the folding frame is embedded in the rainproof groove to form a locked state;

[0021] During the descending process, the piston rod is first lifted to the first high point, so that the folding frame and the vertical guide rail are in an unlocked state, the folding frame moves inwardly through the tensioner, and the piston rod performs the descending operation again.

[0022] According to some embodiments, the sum of the lengths of the two first side frames of the folding frame does not exceed the length of the top long beam of the second box body.

[0023] According to some embodiments, the folding frame further includes a slider, and during the folding process of the folding frame, the slider moves along the top long beam of the first box body.

[0024] According to some embodiments, the folding frame falls by gravity, and / or is assisted by springs, electricity, pneumatics, or hydraulics.

[0025] According to another aspect of the present invention, there is provided a box-type housing structure, comprising a box-type lifting roof expansion structure according to any of the above claims, wherein the combination of the first box body and the second box body conforms to the standard container specifications in the first state.

[0026] According to another aspect of the present invention, there is provided a motorhome, comprising a box-type lifting roof expansion structure according to any one of the above claims.

[0027] In the box-type lifting and expansion structure of this exemplary embodiment, the lifting mechanism connects the second box body with the first box body, and the box-type expansion is completed through the lifting mechanism. The lifting mechanism enables the second box body to be converted from the first state of the folded state to the second state of the lifted state, thereby significantly increasing the usable area and meeting the use requirements of more situations. The second box body design includes a top surface, two covering surfaces and two non-covering surfaces, which can make full use of the vertical space in the lifting state and significantly increase the internal usable area. The vertical guide rails in the non-covering surface not only play a guiding role, but also provide additional lateral support, thereby enhancing the rigidity of the overall structure.

[0028] According to some embodiments, the folding frame is limited and fixed by vertical guide rails during the lifting process to ensure that it can remain stable at different heights to avoid accidental movement or folding. When the folding frame is fully lowered, it is embedded in the rainproof groove to form a tight bottom support, limitation and seal, effectively preventing rainwater from seeping in and ensuring that the internal environment is dry and comfortable.

[0029] In this example embodiment, the combination of the first box body and the second box body meets the standard container specifications in the first state (non-expanded state), ensuring that the box structure can be transported globally without special processing, which can simplify the transportation process and reduce costs.

[0030] It is to be understood that the foregoing general description and the following detailed description are exemplary only and are not restrictive of the invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0031] In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings required for describing the embodiments are briefly introduced below.

[0032] Figure 1 A schematic diagram showing the components of a box-type lifting roof expansion structure according to an exemplary embodiment is shown.

[0033] Figure 2 A schematic diagram showing a folded state of a box-type lifting roof expansion structure according to an exemplary embodiment.

[0034] Figure 3A , Figure 3B A schematic perspective view of a second housing according to an example embodiment is shown.

[0035] Figure 3C A partially enlarged schematic diagram showing a containerized house structure in a folded state according to an exemplary embodiment.

[0036] Figure 4 A schematic structural diagram of a folding frame according to an example embodiment is shown.

[0037] Figure 5A 5B is a schematic diagram showing the position of the folding frame in a vertical state at a first high point according to an exemplary embodiment.

[0038] Figure 5C A schematic diagram showing the position of the folding frame at a second working point according to an exemplary embodiment.

[0039] Figure 6 A schematic diagram of a motorhome using a box-type lifting roof expansion structure according to an exemplary embodiment is shown. DETAILED DESCRIPTION

[0040] Example embodiments will now be described more fully with reference to the accompanying drawings. However, example embodiments can be implemented in many forms and should not be construed as limited to the embodiments set forth herein; rather, these embodiments are provided so that the present invention will be comprehensive and complete and fully convey the concepts of the example embodiments to those skilled in the art. The same reference numerals in the figures represent the same or similar parts, and thus their repeated description will be omitted.

[0041] In addition, the described features, structures or characteristics may be combined in one or more embodiments in any suitable manner. In the following description, many specific details are provided to provide a full understanding of the embodiments of the present invention. However, those skilled in the art will appreciate that the technical solution of the present invention can be practiced without one or more of the specific details, or other methods, components, devices, steps, etc. may be adopted. In other cases, known methods, devices, implementations or operations are not shown or described in detail to avoid blurring various aspects of the present invention.

[0042] The blocks shown in the figures are merely functional entities and do not necessarily correspond to physically separate entities.

[0043] It should be understood that although the terms first, second, third, etc. may be used herein to describe various components, these components should not be limited by these terms. These terms are used to distinguish one component from another component. Therefore, the first component discussed below can be referred to as the second component without departing from the teachings of the present inventive concept. As used herein, the term "and / or" includes any one of the associated listed items and all combinations of one or more.

[0044] Those skilled in the art will appreciate that the drawings are merely schematic diagrams of example embodiments, and the modules or processes in the drawings are not necessarily necessary for implementing the present invention, and therefore cannot be used to limit the protection scope of the present invention.

[0045] In the prior art, it is difficult for the box-type expansion structure to achieve full-height roofing, and the roofing height is significantly lower than the bottom floor height. Waterproof and windproof are mainly achieved through rubber strips and hard extrusion, and the rain and windproof performance is poor. When the roof is closed, it is not smooth, which is not conducive to layout and sea transportation. The box-type cannot open doors on both sides.

[0046] To this end, the present invention proposes a box-type lifting roof expansion structure, which not only solves the above-mentioned problems existing in the existing box-type expansion method, but also enables the lifting roof system to have higher flexibility, practicality and safety.

[0047] Exemplary embodiments of the present invention are described below with reference to the accompanying drawings.

[0048] Figure 1 A schematic diagram showing the components of a box-type lifting roof expansion structure according to an exemplary embodiment is shown.

[0049] According to an example embodiment, see Figure 1 The box-type lifting roof expansion structure is composed of a first box body 101 and a second box body 201. The second box body 201 is connected to the first box body 101 through a lifting mechanism 301. In the first state, the second box body 201 is arranged outside the first box body 101 in a stacked manner. The overall structure in the folded state is shown in FIG. Figure 2 , the combination of the first box body 101 and the second box body 201 in the non-expanded state meets the standard container specifications; in the second state, the second box body 201 is lifted to and fixed above the first box body 101, and the second box body 201 may include a ceiling, or the upper and lower spaces of the first box body 101 and the second box body 201 are connected.

[0050] The lifting mechanism 301 is completed by an electric cylinder, which is fixed to the first box 101. The piston rod of the electric cylinder is fixedly connected to the second box. The lower slide rail of the lifting mechanism is set on the frame of the first box, and the upper slide rail of the lifting mechanism is set on the frame of the second box. The second box is lifted or lowered by the drive of the piston rod. The lifting mechanism can be 2 to 4 electric cylinders. If the strength allows, the piston rods do not need to be arranged completely symmetrically and can be set at two corners or a triangle.

[0051] The second box body is composed of a top surface 203, two covering surfaces 205 and two non-covering surfaces 207. For a perspective view of the second box body, see Figure 3A and Figure 3B The structure of the non-covering surface 207 is composed of a folding frame 271, which is used as a facade structure. The folding frame can fall by gravity, or it can be assisted by springs, electricity, pneumatics, or hydraulics. The covering surface can be the two side surfaces or the two front and back surfaces. Different covering methods can be selected according to different needs to optimize the user experience, which reflects the flexibility and functionality of this design. The following takes the two longer sides as the covering surface as an example.

[0052] Figure 3A , Figure 3B A schematic perspective view of a second housing according to an example embodiment is shown.

[0053] According to an example embodiment, see Figure 3A A vertical guide rail 273 is set at the falling position of the folding frame 271. The vertical guide rail 273 can be set at the corner position and the position outside the corner position, which is conducive to maximizing the optimization of the bottom layer layout and assisting the folding frame 271 to strengthen the structure and seal. The vertical guide rail 273 can ensure that the folding frame moves accurately along the predetermined path during the lifting and lowering process to avoid deviation or tilting.

[0054] The vertical guide rail 273 can act as a column and is installed on the exterior facade to reduce the weight of the overall structure. The vertical guide rail has a lateral support function and provides additional vertical support force, especially when the folding frame is fully unfolded, which enhances the stability of the overall structure. The vertical guide rail has a sealing function and has a multi-groove design in the guide rail, which cooperates with the sliders and rubber strips in the grooves to ensure rain, wind and dustproof effects.

[0055] After the folding frame 271 falls, it forms a side sealing structure with the vertical guide rail 273. The vertical guide rail 273 ensures the limitation and fixation of the two sides of the vertical surface of the folding surface 271. At the same time, the vertical guide rails 273 located at the four corners are conducive to further strengthening the overall structural strength of the box.

[0056] According to the exemplary embodiment, the first box body is also provided with a rainproof groove 275, which can not only play a rainproof effect, but also effectively ensure the limiting, fixing and sealing effects of the bottom end of the folding surface. When the folding frame 271 is lowered, the piston rod continues to lower a certain height and enters the second working point, so that the folding frame 271 is embedded in the rainproof groove 275, forming a precise limiting effect. The rainproof groove can limit the horizontal and vertical movement range of the folding frame, ensuring that the folding frame stays accurately at the predetermined position, and at the same time forms the support, limiting and sealing of the bottom. Even under the action of external wind pressure and other forces, the rainproof groove can prevent the folding frame from unnecessary displacement or shaking, thereby improving the overall safety.

[0057] After the folding frame is embedded in the top of the bottom layer, it will not participate in the support of the top layer under normal use, but it can play a role in stabilizing the structure and act as a safety support and safety lock, providing an extra level of safety guarantee and ensuring that the top closing step has a layer of mechanical safety guarantee and will not cause misoperation and safety hazards.

[0058] See also Figure 3B The second box body is also provided with an upper rain guard 277, which can block rainwater and prevent it from entering the box-type internal space; when the second box body is in the first folded state, the upper rain guard 277 and the rainproof groove 275 are used together to form a sealing structure, such as Figure 3C The state shown can not only significantly improve the rainproof performance of the system, but also enhance the overall sealing effect. This design can effectively prevent rainwater from penetrating into the internal space from the top and ensure the safety of the structure.

[0059] Figure 4 A schematic structural diagram of a folding frame according to an example is shown.

[0060] According to some embodiments, the folding frame 271 may also be provided with a slider 2711. During the process of rising, falling and folding, the folding frame may be moved along the long beam on the top surface of the first box body through the slider 2711. The sum of the lengths of the two first side frames of the folding frame shall not exceed the length of the top long beam of the second box body.

[0061] The setting of the slider can reduce the friction between the folding frame and the long beam on the top surface of the first box, making the second box smoother during lifting or lowering, and reducing the possibility of the folding frame getting stuck. The slider can help disperse the pressure when the folding frame moves, reduce local stress concentration, protect the long beam on the top surface from damage, and extend the service life. When the folding frame is at different heights, the slider can also provide additional lateral support, enhancing the rigidity and stability of the overall structure.

[0062] According to some embodiments, the second box body adopts a specific operation sequence during the rising and falling processes. When rising, it first rises and then falls back. When descending, it first lifts up to change the position of the folding frame and then descends. This operation sequence helps to ensure the stability and accuracy of the folding frame during the entire movement process, and can effectively avoid interference with surrounding structures.

[0063] Correspondingly, the piston rod is provided with a first high point position, a second working point position and a third low point position, wherein the first high point position is the position where the folding frame 271 performs the folding operation, see Figure 5A When the piston rod is at the first high point, the folding frame can move and fold, and the folding frame 271 is in a vertical state. However, at this time, there is still a certain gap between the lower edge 2712 of the folding frame and the rainproof groove 275. Figure 5B .

[0064] When the piston rod is in the second working position, the lower edge 2712 of the folding frame is embedded in the rainproof groove 275 to form a locked state, and the first box body and the second box body are in the second state, that is, the expanded state, see Figure 5C The folding frame cannot be moved and folded freely, which not only improves the safety of operation, but also prevents structural damage or personal injury caused by accidental movement; the second working point is the locking position of the folding frame and the vertical guide rail.

[0065] When the piston rod reaches the third lowest point, the box-type lifting and expanding structure is in a folded state. Figure 2As shown, when the second box body 201 is in the closed state, it can be completely closed, meeting the standard requirements of international shipping, including IP protection level, corrosion resistance, etc. For application scenarios that require frequent loading and unloading of goods, some new box-type expansion designs support doors at both ends, which increases the convenience and adaptability of use.

[0066] According to some embodiments, the folding frame is in a folded state in the first state, and is stored between the top surface of the first box body and the top surface of the second box body. The present invention adopts a barrier-free layout, and doors, windows and expansions can be opened on the sides, front and back of the bottom layer without conflict in the folded top state; the folding frame is in a vertical state in the second state, and the folding frame is embedded in the vertical guide rail.

[0067] During the lifting process, the piston rod first rises to the first high point, and then descends to the second working point, so that the folding frame is locked with the vertical guide rail, and the folding frame is embedded in the rainproof groove to form a locked state; during the descending process, the piston rod first rises to the first high point, so that the folding frame and the vertical guide rail are in an unlocked state, and the folding frame moves inward through the tensioner, and after approaching a predetermined angle, the piston rod performs a descending operation again, and the folding frame is folded and retracted again. According to some embodiments, after the folding frame enters the automatic folding state, under the action of external force, it can be an elastic pull rope, with both ends suspended at the bottom of the folding frame, and the folding frame automatically falls off when it reaches a certain folding angle, and the two folding frames are folded in the direction of approaching at a certain angle. When the piston rod descends from the highest point to the lowest point, the bottom of the folding frame contacts the top of the first box body, and as the piston rod continues to descend, it continues to approach and lift. This structure is simple and reliable, and in the top-folding state, no personnel are required to operate on the top floor.

[0068] The multi-point control of this embodiment has a first high point where the folding frame is folded, ensuring that there is enough space to complete the folding action; the second working point is where the folding frame is locked with the vertical guide rail, providing a stable lifting state, ensuring that the folding frame can be smoothly embedded in the rainproof groove and enter a locked state, and when the piston rod is at the working height, the folding frame cannot move and fold freely, thereby improving the safety and reliability of the operation.

[0069] According to the example embodiments, the folding frame can be a closed facade or a window carrier. Various windows can be made in the folding frame, and the windows can be opened and closed freely. The folding of the folding frame does not affect the opening and closing operations of the windows. A folding awning can also be provided on the outside of the folding frame to serve as a sunshade / awning, or as a carrier of solar panels, which not only improves space utilization, but also provides more functional options and enhances practicality.

[0070] The box-type lifting roof expansion structure of this example embodiment only covers two parallel sides instead of a three-sided or four-sided shell. The two sides of the lifting roof can be of different lengths, and either end can be shorter than the bottom length, which provides layout diversity for the box-type lifting roof expansion structure and can adapt to different space requirements. At the same time, it simplifies the structural complexity, reduces unnecessary material use, and reduces overall weight and cost. The piston rods do not need to be arranged symmetrically, which makes the design more flexible and can optimize weight distribution and support effects according to actual needs. The two uncovered sides are provided with folding frames to serve as facade structures, thereby increasing the utilization rate of the internal space.

[0071] The folding frame of the present invention can be dropped naturally by gravity, or it can be assisted by springs, electricity, pneumatics or hydraulics, so that the folding frame can reach the designated position more quickly. After the folding frame falls, it forms side support, limit and seal with the vertical guide rail, and forms bottom support, limit and seal with the bottom rainproof groove, further enhancing the structural stability and waterproof performance.

[0072] The box-type lifting roof expansion structure of the present invention is used for a box-type housing structure, wherein the combination of the first box body and the second box body in the first state conforms to the standard container specifications. When the additional space is not used, the second box body is completely stored in the first box body, maintaining the compactness of the overall structure and facilitating transportation and storage. The lifting mechanism allows the second box body to be converted from a folded state to an expanded state, thereby significantly increasing the internal usable area to meet the living or working needs of more people. The standard container specifications ensure that the box-type housing structure can be transported globally without special processing or modification, which not only improves the functionality and practicality of the container-type housing structure, but also allows the direct use of existing logistics networks and loading and unloading equipment, greatly simplifying the transportation process and reducing costs.

[0073] Figure 6 A schematic diagram of a motorhome using a box-type lifting roof expansion structure according to an exemplary embodiment is shown.

[0074] According to the exemplary embodiment, the box-type lifting roof expansion structure of the present invention is used for the RV structure, which not only improves the functionality and practicality of the RV and combines space utilization, but also enhances comfort and adaptability.

[0075] When parking or camping, the RV with a lifting roof expansion structure can be Figure 6 As shown in the figure, the second box body 602 can be raised to above the first box body 601, and the internal usable area can be easily increased through the lifting structure to meet more usage requirements.

[0076] According to some embodiments, in a camping RV scenario, when the user wants to expand the living space, he only needs to press the "lift" button, and the electric cylinder will first lift the piston rod to the first high point, so that the folding frame can be folded. Then, the electric cylinder continues to drive the piston rod down to the second working point, allowing the folding frame to be smoothly lowered and embedded in the rainproof groove. The folding frame is locked with the vertical guide rail to form a stable lifting state. At this time, the folding frame is firmly fixed and cannot be moved or folded freely. When the additional space is no longer needed, the reverse operation can restore the folding frame to its original storage state, which is convenient for storage and transportation.

[0077] This example embodiment applies a box-type lifting roof expansion structure to a motorhome, which not only increases the living space, but also allows for flexible expansion of the area and layout. The overall structure also complies with standard specifications and is compactly stored for easy transportation and storage. It brings more convenience and economic benefits to users, and can significantly improve the user experience, whether it is a long-distance trip or a short-distance camping trip.

[0078] Those skilled in the art can clearly understand that the “unit” and “module” in this specification refer to devices and / or components that can independently complete a specific function or cooperate with other components.

[0079] It should be noted that, for the above-mentioned method embodiments, for the sake of simplicity, they are all described as a series of action combinations, but those skilled in the art should know that the present invention is not limited by the described action sequence. Secondly, those skilled in the art should also know that the embodiments described in the specification are all preferred embodiments, and the actions and modules involved are not necessarily required by the present invention.

[0080] In the above embodiments, the description of each embodiment has its own emphasis. For parts that are not described in detail in a certain embodiment, reference can be made to the relevant descriptions of other embodiments.

[0081] In the several embodiments provided by the present invention, it should be understood that the disclosed device can be implemented in other ways. For example, the device embodiments described above are only schematic, such as the division of units, which is only a logical function division. There may be other division methods in actual implementation, such as multiple units or components can be combined or integrated into another system.

[0082] In the above embodiments, the description of each embodiment has its own emphasis. For parts that are not described in detail in a certain embodiment, reference can be made to the relevant descriptions of other embodiments.

[0083] The exemplary embodiments of the present invention are specifically shown and described above. It should be understood that the present invention is not limited to the detailed structures, configurations or implementations described herein; on the contrary, the present invention is intended to cover various modifications and equivalent configurations included in the spirit and scope of the appended clauses.

Claims

1. A box-type lifting roof expansion structure, comprising a first box body and a second box body, characterized in that: The second box body comprises a top surface, two covering surfaces and two non-covering surfaces; The second box is connected to the first box via a lifting mechanism; In the first state, the second box is arranged outside the first box in a stacked manner; In the second state, the second box is lifted to and fixed above the first box.

2. The box-type lifting roof expansion structure according to claim 1 is characterized in that: The lifting mechanism includes 2 to 4 electric cylinders: The electric cylinder is fixed in the first box; The piston rod of the electric cylinder is fixedly connected to the second box body; The piston rod is used to drive the second box to lift or descend.

3. The box-type lifting and expanding structure according to claim 1 is characterized in that: The non-covered surface includes a folding frame, a vertical guide rail and a rainproof groove.

4. The box-type lifting and expanding structure according to claim 3 is characterized in that: The piston rod is provided with a first high point position, a second working point position and a third low point position, wherein: The first high point is the position where the folding frame performs a folding operation; The second working point is a locking position of the folding frame and the vertical guide rail, the folding frame is embedded in the rainproof groove to form a locked state, and the first box body and the second box body are in the second state; The third low point is when the folding frame is in a horizontal storage position, the second box is in a completely dropped position, and the first box and the second box are in a first state.

5. The container roof raising and expanding structure according to claim 4, characterized in that: The folding frame is in a folded state in a first state and is stored between the top surface of the first box body and the top surface of the second box body; The folding frame is in a vertical state in the second state, and the folding frame is embedded in the rainproof groove.

6. The roof-lifting and expanding structure according to claim 3, characterized in that: Drive the second box to lift or lower: During the lifting process, the piston rod first rises to the first high point, and then descends to the second working point, so that the folding frame is locked with the vertical guide rail, and the lower edge of the folding frame is embedded in the rainproof groove to form a locked state; During the descending process, the piston rod is first lifted to the first high point, so that the folding frame and the vertical guide rail are in an unlocked state, the folding frame moves inwardly through the tensioner, and the piston rod performs the descending operation again.

7. The box-type lifting and expanding structure according to claim 3 is characterized in that: The sum of the lengths of the two first side frames of the folding frame does not exceed the length of the top long beam of the second box body.

8. The box-type lifting and expanding structure according to claim 5, characterized in that: The folding frame further comprises a slider, and during the folding process of the folding frame, the slider moves along the top long beam of the first box body.

9. A box-type housing structure, characterized in that: It comprises a box-type lifting roof expansion structure according to any one of claims 1-8, wherein the combination of the first box body and the second box body meets the standard container specifications in the first state.

10. A motorhome, characterized in that: It comprises a box-type lifting roof expansion structure according to any one of claims 1-8.

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