Extensible house

Abstract

The utility model relates to an extensible house which comprises a main body part, an extensible part and a pneumatic sealing system. The main body part comprises an end wall serving as a movable outer wall; the extensible part comprises two side walls folded in the main body part, and the two side walls are hinged to the two sides of the main body part respectively and can be opened outwards; after the two side walls are opened outwards, the end walls slide outwards along the rails between the two side walls, and the end walls are led out of the floor and the ceiling at the same time; when the extensible house is completely unfolded, joints exist between the end walls and the side walls; the first sliding pad and the second sliding pad are arranged on a pair of longitudinal edges, distributed front and back, of the end wall; the pneumatic sealing system comprises an air control device which delivers air to the air bag through a pipeline. The air bag pushes each sliding pad to close the seam.

Description

Technical Field

[0001] The utility model relates to an expandable house, in which seals are formed between movable walls. Background Art

[0002] For movable walls or some assembled buildings, there must be some gaps between adjacent movable walls and fixed walls. This gap between the two walls will lead to poor waterproofness and airtightness of the entire room, resulting in poor sound insulation and heat insulation of the building. Summary of the invention

[0003] The utility model provides an expandable house, which has good sealing performance with adjacent walls after the movable wall is moved to a required position.

[0004] An expandable house, characterized in that it comprises a main body, an expandable part and a pneumatic sealing system;

[0005] The main body portion includes an end wall as a movable outer wall;

[0006] The expandable part includes two side walls folded in the main body part, the two side walls are respectively hinged on the two sides of the main body part and can be opened outwards; after the two side walls are opened outwards, the end wall slides outwards along the track between the two side walls, and the end wall leads out of the floor and the ceiling at the same time; when the expandable house is fully expanded, there is a seam between the end wall and the side wall;

[0007] The end wall comprises an inner panel B and an outer panel A, wherein the inner panel B forms the inner side of the end wall and the outer panel A forms the outer side of the end wall;

[0008] The first sliding pad and the second sliding pad are arranged on a pair of longitudinal edges of the end wall distributed front and back;

[0009] The pneumatic sealing system includes an air control device that delivers air to the airbag through a conduit;

[0010] The airbag comprises a first airbag and a second airbag, wherein the first airbag pushes a first sliding pad on one side of the end wall, and the second airbag pushes a second sliding pad on the other side of the end wall to close the seam.

[0011] The floor and ceiling may be made of waterproof cloth, the inner ends of the floor and ceiling are respectively connected to the bottom and top of the main body, and the outer ends of the floor and ceiling are respectively connected to the bottom and top of the end wall;

[0012] The air control device includes an air pump that delivers pressurized air to the airbag.

[0013] The air control device also includes a check valve so that the air bag maintains pressure after pressurization and the air pump is turned off.

[0014] The technical effect of the utility model is as follows: the expandable house has a movable wall that can be extended from the side wall, which is used to seal with the adjacent wall. The movable wall includes two sliding walls that can be extended outward from the main body. The sliding wall can be inserted into the narrow groove on the side wall. The narrow groove is located on the seam of the side wall. The movable wall is moved from a first position to a second position. The movable wall has an inner panel, an outer panel overlapping and connected to the inner panel, and a sliding pad arranged between the inner panel and the outer panel. The sliding pad can be in a retracted state, wherein the sliding pad is completely arranged in the inner panel and the outer panel; and an extended state, wherein the sliding pad extends beyond the edge of the inner panel and the outer panel; and an airbag, which is arranged near the sliding pad, and the airbag can be operated to push the sliding pad to the extended state; and the sliding pad is extended from the edge to seal the movable wall with the adjacent structure. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 A perspective view of an expandable and movable house of the present invention;

[0016] Figure 2 is an exterior end view of a wall with a sliding member according to the present invention, the sliding member can extend from the side of the wall to form a seal;

[0017] Figure 3 for Figure 2 A perspective view of the wall shown with its sliding components mounted in slots in the adjacent wall;

[0018] Figure 4A for Figure 2 a detailed partial cutaway end view of the wall shown with the slide assembly in a retracted configuration;

[0019] Figure 4B for Figure 2 a detailed, partially cut-away end view of the wall shown with the slide assembly in the extended position;

[0020] Figure 5 is a perspective view of an end wall pneumatic sealing system according to the utility model;

[0021] Figure 6 Based on Figure 2 End view of the wall shown with arrows indicating air movement to deploy the slider assembly. DETAILED DESCRIPTION

[0022] An expandable home, such as a recreational vehicle, mobile home, etc., includes pneumatically controlled containment walls that expand from both sides to eliminate gaps.

[0023] See Figure 1The expandable house 10 includes a main body portion 12 and an expandable portion 14. The expandable portion 14 can be folded into the main body portion 12. The main body portion 12 includes an end wall 18 as a movable outer wall.

[0024] The expandable portion 14 includes two side walls 16 extending outward from both sides of the main portion 12, and the two side walls 16 are hinged on both sides of the main portion 12 and can be opened outward. After the two side walls 16 are opened, the end wall 18 slides outward along the track between the two side walls 16, and the end wall 18 leads to the floor and the ceiling at the same time. The floor and the ceiling can be made of waterproof cloth. The inner ends of the floor and the ceiling are respectively connected to the bottom and the top of the main portion 12, and the outer ends of the floor and the ceiling are respectively connected to the bottom and the top of the end wall 18.

[0025] like Figure 1 When the expandable house is fully expanded, the seam 20 between the end wall 18 and the side wall 16 needs to be closed.

[0026] Figures 2 to 6 An example of an end wall 18 having a pneumatic sealing mechanism 70 is shown.

[0027] The end wall 18 includes an inner panel 18B forming an inner side of the end wall 18 and an outer panel 18A forming an outer side of the end wall 18 .

[0028] The first sliding pad 30 and the second sliding pad 32 are disposed on a pair of longitudinal edges 31 of the end wall 18 .

[0029] The first and second sliding pads 30 and 32 may remain coplanar with the inner and outer panels of the end wall 18 during use thereof.

[0030] The pneumatic sealing system 70 includes an air control device 34 that delivers air to the airbag through a conduit 36. The air control device 34 includes an air pump that delivers pressurized air to the airbag. The air control device 34 also includes, for example, a check valve so that the airbag can maintain pressure after pressurization and the air pump is turned off.

[0031] The airbags include a first airbag 38 and a second airbag 40 , wherein the first airbag 38 pushes the first sliding pad 30 on one side of the end wall 18 , and the second airbag 40 can push the second sliding pad 32 on the other side of the end wall 18 .

[0032] The airbag is arranged to push the first sliding pad 30 and the second sliding pad 32 out evenly and linearly to close the seam 20 .

[0033] The first airbag 38 and the second airbag 40 are interconnected by the duct 36 and controlled by a single air control device 34, as shown. In other embodiments, each sliding pad can be controlled by a corresponding air control device 34 and duct 36 separately.

[0034] The first spring 42 and the second spring 44 are used to elastically push the first sliding pad 30 and the second sliding pad 32 to the retracted state so that the sliding pads do not extend beyond the longitudinal edges 31 of the inner panel 18B and the outer panel 18A of the end wall 18. The two sets of air bags can elastically extend the two sets of springs to push out the first and second sliding pads respectively. When the air pressure in each air bag is released, each spring can return each sliding pad to the retracted state.

[0035] like Figure 4A and 4B As shown, in Figure 4A In the retracted state shown, the first spring 42 can pull the first sliding pad 30 to the vicinity of the fixed inner part 54 of the end wall 18. Figure 4B As shown, the final space 56 between the fixed inner member 54 and the first sliding pad 30 can be relatively small compared to the space 56 when the first air bag 38 pushes the first sliding pad 30 to the expanded state. The fixed inner member 54 can provide a surface on which the first air bag 38 can press to transmit force to the first sliding pad 30. The fixed inner member 54 can also hold one end of the first spring 42, and the other end is attached to the first sliding pad 30.

[0036] Figure 6 The airflow when the first airbag 38 and the second airbag 40 are pressurized is illustrated by arrows 60. During pressurization, the sliding pads can be pushed outward against the force of the springs (indicated by arrows 62). Of course, any elastic member can be used instead of the first spring 42 and the second spring 44, such as bungee cords, hydraulic extension arms, mechanical devices, etc.

[0037] like Figure 3 As shown, in some embodiments, a slot 50 may be provided on the side wall 16 to accommodate the first sliding pad 30 and the second sliding pad 32 of the end wall 18. The depth of the slot 50 may be equal to or less than the amount by which the first sliding pad 30 and the second sliding pad 32 extend outward from the edge of the wall. The slot 50 may help keep the end wall 18 in a fixed state with the side wall 16, and help ensure the airtightness and watertightness of the interconnection between the side wall 16 and the end wall 18.

Claims

1. An expandable house, characterized in that: It includes a main body portion, an expandable portion and a pneumatic sealing system; The main body portion includes an end wall as a movable outer wall; The expandable part includes two side walls folded in the main body part, the two side walls are respectively hinged on the two sides of the main body part and can be opened outwards; after the two side walls are opened outwards, the end wall slides outwards along the track between the two side walls, and the end wall leads out of the floor and the ceiling at the same time; when the expandable house is fully expanded, there is a seam between the end wall and the side wall; The end wall includes an inner panel and an outer panel, the inner panel forming an inner side of the end wall and the outer panel forming an outer side of the end wall; The first sliding pad and the second sliding pad are arranged on a pair of longitudinal edges of the end wall distributed front and back; The pneumatic sealing system includes an air control device that delivers air to the airbag through a conduit; The airbag comprises a first airbag and a second airbag, wherein the first airbag pushes a first sliding pad on one side of the end wall, and the second airbag pushes a second sliding pad on the other side of the end wall to close the seam.

2. The expandable house according to claim 1, characterized in that: The floor and ceiling may be made of waterproof cloth, the inner ends of the floor and ceiling are respectively connected to the bottom and top of the main body, and the outer ends of the floor and ceiling are respectively connected to the bottom and top of the end wall.

3. The expandable house according to claim 1, characterized in that: The air control device includes an air pump that delivers pressurized air to the airbag.

4. The expandable house according to claim 1, characterized in that: The air control device also includes a check valve so that the air bag maintains pressure after pressurization and the air pump is turned off.

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