JP7085782B1 - House that can be expanded inside the house, how to expand inside the house and trailer house - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a house having a structure in which a step is not generated in the height between a main body floor panel arranged on a floor in a house main body when expanded and an internal expansion panel arranged in an internal expansion house after expansion.
SOLUTION: An internal expansion frame body is provided with a bottom frame body portion arranged in the blank portion between the side floor portions at the time of pushing, and is attached at an interval upward from the bottom frame body portion. It is provided with a roller running on a guide rail that allows pulling out and pushing through an opening of the internal expansion frame from the house body.
[Selection diagram] Fig. 5

Description

The present invention relates to a house that can be expanded inside the house, a method for expanding the inside of the house, and a trailer house.

The house body and the internal expansion house that can be pulled out and pushed in through the opening form a house that can be internally expanded. A typical example of this house is a mobile home.

Mobile homes are subject to the Road Traffic Act because they are towed by towing vehicles and travel on ordinary roads. Therefore, the trailer house is required to be compact at the time of towing and to secure sufficient internal space required by the user at the time of use.

Various types of such trailer houses are known.

In Patent Document 1, the house body has an opening on the side surface, an inner rail extending to the opening on the floor, and a straight line with the inner rail from a position overlapping the opening side end at the opening side end. Described is a telescopic assembly house having a hollow outer rail that is rotatable to a continuous position and a roller that rolls on the inner rail and the outer rail.

In Patent Document 2, a slide guide provided in the main body of the house, a support rod guided by the slide guide and sliding in and out of the internal space expansion portion, and a support rod attached to the tip end side of the support rod. , A mobile home with an extension support device having a support roller capable of adjusting the vertical position.

Japanese Patent No. 2799480 Japanese Patent No. 5002781

When the house body and the internal expansion house that can be pulled out and pushed in through the opening form a house that can be internally expanded, the internal expansion house is placed on the floor inside the house body. Due to the position of the floor, there was a step in the height between the main floor panel placed on the floor inside the house when expanded and the internal expansion panel placed on the internal expansion house after expansion.

In the invention described in Patent Document 1, the inner rail and the outer rail are connected at a position where they are connected in a straight line, but because the floor of the internal expansion house is positioned on the floor inside the house body. In addition, there is a step in the height between the main body floor panel arranged on the floor inside the house body when expanded and the internal expansion panel arranged on the internal expansion house after expansion.

In the invention described in Patent Document 2, there is no step in the height between the main body floor panel arranged on the floor in the house main body when expanded and the internal expansion panel arranged in the internal expansion house after expansion. Therefore, the step generated by the expansion is adjusted by using a support roller whose vertical position can be adjusted, and it is necessary to adjust the vertical position after the expansion.

Therefore, what is the configuration that does not cause a step in the height between the main body floor panel placed on the floor inside the house and the internal expansion panel placed on the internal expansion house after expansion without adjusting the vertical position when expanded? is not.

In view of the present invention, the height of the main body floor panel arranged on the floor in the house main body and the internal expansion panel arranged in the internal expansion house after expansion without adjusting the vertical position when expanded. The challenge is to provide a house with a structure that does not cause a step.

In the present invention, a house that can be expanded inside the house body, that is, a telescopic assembly house,
It is composed of a house body composed of a main body frame and having a frame body having an opening in the main body frame body, and an internal expansion frame body, which is housed in the house main body, and has a front frame body portion and a rear frame. It is a house capable of internally expanding the house body, which is composed of an internal expansion house having a body portion and a side frame body portion and being able to be pulled out and pushed in through the opening.
Among the upper frame portion and the lower frame portion of the frame body portion forming the opening, the house main body has a blank portion in a state where the main body panel is not arranged on the central floor portion of the lower frame body portion, and the blank portion. A side floor is provided on the side of the part, and an inner guide rail is held on the side floor.
Equipped with an outer guide rail laid in a straight line from the inner guide rail, it is possible to form a guide rail configuration inside and outside the house body.
The internal expansion frame body is provided with a bottom frame body portion arranged in the blank portion between the side floor portions when pushed in, and is attached at an interval upward from the bottom frame body portion. A roller traveling on the guide rail is provided, which allows the internal expansion frame to be pulled out and pushed in through the opening from the house body.
When the internal expansion frame is moved on the guide rails arranged in a straight line, the internal expansion frame is pulled out from the panel body, and the bottom frame portion is positioned outside the blank portion. In addition, a surface having the same height is formed between the floor surface of the internal expansion frame and the floor surface of the house body.

A typical example of the house is a mobile home.

According to the present invention, the roller can be positioned above the side floor portion. As described above, the internal expansion frame is moved on the guide rails arranged in a straight line, the internal expansion frame is pulled out from the panel body, and the bottom frame portion is outside the blank portion. It is possible to form a surface having the same height between the floor surface of the internal expansion frame and the floor surface of the house body. The internal expansion frame is pushed into a blank portion in the central floor where the main body panel is not arranged, and the floor surface of the internal expansion frame and the floor surface of the house body are set to the same height surface, and a straight line is formed from the configured guide rail. The internal expansion frame can be pulled out from the house body.

In this way, there is no step in the height between the main body floor panel arranged on the floor inside the house and the internal expansion panel arranged in the internal expansion house after expansion without adjusting the vertical position when expanded. A house of composition can be provided.

The figure which shows the house main body and the internal expansion house which constitutes the house which can expand the inside of the house main body. The figure which shows the state which the internal expansion house is stored inside the house body. The figure which shows the installation state of the outer guide rail for the drawer preparation of the inner expansion house. The figure which shows the state which pulled out the internal expansion house from the house body. The figure which shows the expansion completion of a house body. Conceptual diagram of the cross section when the house configured in the trailer house is internally expanded. A conceptual diagram of a house configured as a mobile home with an outer guide rail laid for internal expansion.

The present invention is composed of a main body frame, a house main body having a frame portion having an opening in the main body frame body, and an internal expansion frame body, which is housed in the house main body and has a front frame body. The present invention relates to a house capable of internally expanding the house body, which is composed of an internal expansion house having a portion, a rear frame portion and a side frame portion and capable of being pulled out and pushed through the opening. ..

As a means for solving the problem, in the present invention, the house main body has a main body panel on the central floor portion of the lower frame body portion among the upper frame body portion and the lower frame body portion of the frame body portion forming the opening. A blank portion in a non-arranged state and a side floor portion are provided on the side of the blank portion, and an inner guide rail is held on the side floor portion.
Equipped with an outer guide rail laid in a straight line from the inner guide rail, it is possible to form a guide rail configuration inside and outside the house body.
The internal expansion frame body is provided with a bottom frame body portion arranged in the blank portion between the side floor portions when pushed in, and is attached at an interval upward from the bottom frame body portion. A roller traveling on the guide rail is provided, which allows the internal expansion frame to be pulled out and pushed in through the opening from the house body.
When the internal expansion frame is moved on the guide rails arranged in a straight line, the internal expansion frame is pulled out from the panel body, and the bottom frame portion is positioned outside the blank portion. It has been described that a surface having the same height is formed between the floor surface of the internal expansion frame and the floor surface of the house body.

Here, the frame body or the frame body portion is formed of a frame member that forms the frame in a well shape, and the frame member is also used for the frame configuration of the adjacent frame.

FIG. 1 is a diagram showing a house main body and an internal expansion house constituting a house in which the internal expansion of the house main body is possible.

The house 100 includes a house main body 1 and an internal expansion house 2, and the internal expansion of the house main body becomes possible. The internal expansion house 2 is a sub-house with respect to the house body 1.

In the house main body 1, the main body frame 3 on the square is composed of a front frame body 4, a rear frame 5, a side frame 6, a ceiling frame 7, and a bottom frame 8, and is an internal expansion house. Can store 2. Each frame body member is used for the configuration of the front frame body portion, the rear frame body portion, the side frame body portion, the ceiling frame body portion, and the bottom frame body portion, and the frame body member is also used for the configuration of each frame body portion. To.

An opening 11 is formed in the front frame body portion 4, and both sides of the main body frame body portion 3 are side portions 12. A shield 41, typically a side wall, is attached to the outer surface of the frame on the rear frame, the side frame, and the ceiling frame. The widthwise length of each side portion 12 is typically set to 1 with respect to the widthwise length 10 of the opening 11.

The front frame body portion 4 is a side bottom short member 14 formed shortly from one side frame body portion formed at the bottom of the opening 11 and the side portions 12 on both sides toward the other side frame body portion. To prepare for. Short means short due to the centrally formed opening.

No member is arranged between the side bottom short members 14 on both sides, and the member is not installed. Further, a blank portion 16 is formed inside the bottom frame portion corresponding to the member non-installation portion 15.

The blank portion 16 is blank in a non-arranged state in which the panel and the panel holding member are not provided.

On the side floor portion 21 at the bottom of the side portion 12, a rail-shaped member is formed between the side bottom short member 14 and the rear frame body bottom member 22 of the rear frame body portion 5 from the depth to the front. A supported inner guide rail 19 is laid. Therefore, the side floor portion 21 holds the laid inner guide rail 19.

The internal expansion house 2 does not have an opening as provided in the house body, and is composed of a rectangular internal expansion frame 31. The internal expansion frame 31 includes a front frame portion 32, a rear frame portion 33, and a side surface. It is composed of a frame body portion 34, a ceiling frame body portion 35, and a bottom frame body portion 36, and is housed in the house body. Each frame body member is used for the composition of the front frame body part 32, the rear frame body part 33, the side frame body part 34, the ceiling frame body part 35, and the bottom frame body part 36, and the frame body member is each frame body part. It is also used for the configuration of. The bottom frame body portion 36 forms the floor portion of the internal expansion house. Hereinafter, the bottom frame body portion 36 may be referred to as an internal expansion house floor portion 36.

A panel support member 39 is arranged between the bottom front frame member 37 and the bottom rear frame member 38 forming the bottom frame body 36, and an internal expansion house panel for the user's residence is arranged on the panel support member. Place (not shown).

A door (not shown) is provided on the front frame body 32, and a shield is attached to the outer surface of the rear frame 33, the side frame 34, and the ceiling frame 35.

A support member 42 configured as a separate body is attached to the side frame body portion 34. The support member 42 is typically composed of a frame body, and the support member 42 is integrated with the support member 42.

In the case of this example, the support member 42 is an L-shaped vertical member 43 and a horizontal member 44 provided on the outer surface of the side frame body portion 34, and holds the internal expansion house 2. The horizontal member 44 also serves as a bottom frame body member of the bottom frame body portion. The support member 42 is not limited to the above structure.

The vertical member 43 of the support member 42 is shorter than the side frame body member constituting the side frame body portion 34, and forms a space portion in the lower end direction of the lateral member 44 of the support member 42. The space portion is a gap portion 28 formed between the lower end surface of the support member and the side floor portion of the house body.

The roller 29 is fixed to the lower end surface of the lateral member 44 of the support member 42. In the drawing, a roller holding member for holding the roller inside is described, but hereinafter, it will be referred to as a roller. Two rollers are listed. In this way, the roller 29 is attached to the support member 42, which is formed separately from the side frame body portion 34.

Inside the house body, an outer guide rail 20 supported by a rail-shaped member, which constitutes a guide rail together with the inner guide rail 19, is provided. The outer guide rail 20 has the same height as the inner guide rail 19, is laid in a straight line from the inner guide rail 19 to the outside of the main body of the house, and constitutes a guide rail together with the inner guide rail 19.

The outer guide rail 20 can be arranged below the space portion 28, the roller 29 runs on the outer guide rail, and the arrangement height of the outer guide rail 20 is the height of the bottom frame body portion 8, that is, the internal expansion house. It is said to be the height of the floor.

The roller 29 can be installed without providing the space portion 28. When the space portion 28 is not provided, the roller 29 is attached to the outer outer surface of the support member 42 or the outer outer surface of the side frame body portion 34, and the outer guide rail is arranged corresponding to the installed inner guide rail. It is configured to run on the outer guide rail.

In this way, the roller 29 traveling on the guide rail is configured separately from the side frame body portion 34 by arranging the rollers 29 in the height direction from the side floor portion 21 in the pushed state. It is attached to the integrated support member 42.

When the configuration in which the roller 29 is stored in the space portion is adopted, the storage space effect and the strength effect can be increased as compared with the case where the outer surface roller of the side frame body portion 34 is provided.

2 to 5 are views showing steps for expanding the inside of the house body.

The house main body 1 and the internal expansion house 23 shown in FIG. 1 are prepared.

FIG. 2 is a diagram showing a state in which the internal expansion house is stored inside the house body.

In this state, the internal expansion house 2 is pushed into the house body 1. In the case of a trailer house, the house body 1 containing the internal expansion house can be mounted on a trailer carriage and traveled on a national road.

In this state, the internal expansion house 2 is fixed to the inside of the house main body 1 with the roller 29 provided in the internal expansion house 2 riding on the inner guide rail 19.

The house main body 1 is in the state shown in FIG. 1, and the internal expansion house 2 is stored and arranged by utilizing the blank portion in the non-arranged state of the panel formed in the center of the bottom frame body portion. The house main body 1 is held by the support member 42 in the side frame body portion 34, that is, the internal expansion frame body 31 at intervals from the internal expansion house floor portion 27. By providing a space, the internal expansion frame 31 is held by the roller 29 on the guide rail at a distance from the side floor portion 21.

The internal expansion frame body is provided with a bottom frame body portion arranged in the blank portion between the side floor portions when pushed in, and is attached at an interval upward from the bottom frame body portion. A roller traveling on the guide rail is provided, which allows the internal expansion frame to be pulled out and pushed in through the opening from the house body.

The internal expansion frame includes a bottom frame portion disposed in the blank portion between the side floor portions when pushed in, and a support for supporting the internal expansion house on the outer surface of the side frame portion. Having a member, the support member forms a gap between the house body and the side floor portion, is housed in the space portion, is fixed to the lower end surface of the support member, and is placed on the guide roll. Equipped with a traveling roller.
At this time, the bottom frame body portion 36 of the internal expansion house 2 is arranged in the blank portion formed in the bottom frame body portion 8 of the house main body 1, and both the bottom frame body portions 8 and 27 are at the same height. Be retained.

The state shown in FIG. 2 is a state in which the support member and the roller are positioned above the side floor portion, and the internal expansion frame is pushed into a blank portion in the central floor portion in a state where the main body panel is not arranged. It is in the state just before the withdrawal.

FIG. 3 is a diagram showing an installed state of the outer guide rail in preparation for pulling out the internal expansion house.

Since the internal expansion house is ready to be pulled out, the outer guide rail 20 prepared inside the house body is at the same height as the inner guide rail 19, and is linearly outside the house body with the inner guide rail 19. It is laid to form a guide rail laid inside and outside the house body together with the inner guide rail 19.

FIG. 4 is a diagram showing a state in which the internal expansion house is pulled out from the house body.

The roller 29 is run on the formed guide rail, and the internal expansion house 2 is pulled out from the house body 1. At the time of withdrawal, both bottom frame bodies 8 and 27 were held at the same height.

In the state shown in FIG. 4, the floor surface on the bottom frame body portion of the internal expansion frame body 31 and the floor surface on the bottom frame body portion of the house body 1 set at the same height surface are set, and the internal expansion frame body 31 is set. It is in a state of being pulled out from the main body of the house by moving it on the guide rails arranged in a straight line.

The internal expansion house 2 is pulled out to a position where the bottom rear frame member 33 is positioned linearly with the side bottom short member 14 of the side floor 21, and the lower frame member 36 is the line of the side bottom short member 14. It is arranged in a shape.

In this state, there is a blank space between the bottom rear frame member 22 of the bottom frame 8 of the house body 1 and the bottom rear frame member 38 of the bottom frame 36 of the internal expansion house 2 in a non-arranged state. The part remains.

FIG. 5 is a diagram showing the completion of expansion of the house body.

A plurality of panel support members 45 have insertion holes between the frame member of the bottom frame of the house body 1 and the frame member of the bottom frame of the internal expansion house 2, and can be detachably attached and detached by the insertion fixing method. It is attached.

The height of the rear frame portion of the house body and the height of the rear frame portion of the internal expansion frame are the same, and the height of the main body panel is the same inside. It is the same height as the expansion house panel.

When the internal expansion house 2 is moved on the guide rails arranged in a straight line, the internal expansion frame house 2 is pulled out from the house body 1, and the bottom frame body portion 8 is positioned outside the blank portion 16. In addition, the same height surface is formed between the floor surface of the internal expansion frame 31 and the floor surface of the house body 1.

During the assembly work, the outer guide rail 20 can be easily set on the house body 1 to form the same height surface between the floor surface of the internal expansion frame 31 and the floor surface 8 of the house body 1. The labor of assembly work can be reduced.

FIG. 6 is a conceptual diagram of a cross section when the house configured as a trailer house is internally expanded.

The above-mentioned house 100 is configured as a trailer house, mounted on the trailer 50, the internal expansion house 2 is pulled out from the house main body 1, and the internal expansion of the house main body is performed.

The trailer house 51 is configured by placing the above-mentioned house 100 on the trailer 50. The trailer house is connected to and towed by the trailer with the internal expansion house 2 pushed into the house body, for example, traveling on a public road, moving to a predetermined place, and used for residential or office use at the destination. Will be done. The trailer house can also be used as a camper.

In the trailer house, a house that can be expanded inside the house is composed of a house body and an internal expansion house, and the house body is provided with a main body frame and a frame body having an opening in the main body frame, and the internal expansion house is provided. The internal expansion frame body and the internal expansion frame body are provided with a front frame body portion, a rear frame body portion, and a side frame body portion, the house is mounted on the chassis of the trailer, and the internal expansion house is opened. It is a trailer house that can be pulled out and pushed in from the main body of the house through a part, and has the following characteristic configuration:
Among the upper frame portion and the lower frame portion of the frame body portion forming the opening, the house main body has a blank portion in a state where the main body panel is not arranged on the central floor portion of the lower frame body portion, and the blank portion. A side floor is provided on the side of the portion, and an inner guide rail is held on the side floor.

The outer guide rail laid in a straight line from the inner guide rail is provided, and the guide rail is configured inside and outside the house body.

The internal expansion frame includes a bottom frame portion disposed in the blank portion between the side floor portions when pushed in, and a support for supporting the internal expansion house on the outer surface of the side frame portion. On the guide rail which has a member, the support member forms a gap between the side floor portion of the house body, is housed in the space portion, and is fixed to the lower end surface of the support member. Equipped with rollers to run
The height of the bottom frame is located below the height of the support point of the house body by the rollers.

FIG. 7 is a conceptual diagram of a house configured as a trailer house in which an outer guide rail is laid for internal expansion.

Because the internal expansion house is ready to be pulled out, the outer guide rail 20 prepared inside the house body is at the same height as the inner guide rail 19, and is linearly outside the house body with the inner guide rail 19. It is laid to form a guide rail laid inside and outside the house body together with the inner guide rail 19.

The outer guide rail holding base 52 is installed with respect to the outer guide rail 20 laid outside the house main body, the outer guide rail 20 is installed in equilibrium, and is fixed to the house main body 1 on the other side. A jack can be used for the outer guide rail holding base 52.

100 ... House, 1 ... House body, 2 ... Internal expansion house, 3 ... Main body frame, 4 ... Front frame, 5 ... Rear frame, 6 ... Side frame, 7 ... Ceiling frame, 8 ... bottom frame body part, 11 ... opening, 12 ... side part, 14 ... side bottom short member, 15 ... member non-installed part, 16 ... blank part, 19 ... inner guide rail, 20 ... outer guide rail, 21 ... side floor, 22 ... bottom rear frame member, 28 ... gap (space), 29 ... roller, 31 ... internal expansion frame, 32 ... front frame, 33 ... rear frame, 34 ... Side frame body, 35 ... Ceiling frame, 36 ... Bottom frame (internal expansion house floor), 37 ... Bottom front frame member, 38 ... Bottom rear frame member, 39 ... Panel support member, 41 ... shield, 42 ... support member, 43 ... vertical member, 44 ... horizontal member, 45 ... panel support member, 50 ... trailer, 51 ... trailer house, 52 ... outer guide rail holding base.

Claims (7)

The house body is composed of a main body frame and has a frame body having an opening in the main body frame body, and the internal expansion frame body is composed of an internal expansion frame body portion, and the internal expansion frame body portion is a front frame body portion, a rear frame body portion, and the rear frame body portion. It is a house capable of internally expanding the house body, which is composed of an internal expansion house provided with a side frame portion and capable of being pulled out and pushed through the opening.
Among the upper frame portion and the lower frame portion of the frame body portion forming the opening, the house main body has a blank portion in a state where the main body panel is not arranged on the central floor portion of the lower frame body portion, and the blank portion. A side floor is provided on the side of the part, and an inner guide rail is held on the side floor.
Equipped with an outer guide rail laid in a straight line from the inner guide rail, it is possible to form a guide rail configuration inside and outside the house body.
The internal expansion frame body is provided with a bottom frame body portion arranged in the blank portion between the side floor portions when pushed in, and is attached at an interval upward from the bottom frame body portion. A roller traveling on the guide rail is provided, which allows the internal expansion frame to be pulled out and pushed in through the opening from the house body.
When the internal expansion frame house is moved on guide rails arranged in a straight line, the internal expansion frame house is pulled out from the panel body, and the bottom frame body portion is positioned outside the blank portion. In addition, a house capable of internally expanding the house body, characterized in that a surface having the same height is formed between the floor surface of the internal expansion frame and the floor surface of the house body.
The house body is composed of a main body frame and has a frame body having an opening in the main body frame body, and the internal expansion frame body is composed of an internal expansion frame body portion, and the internal expansion frame body portion is a front frame body portion, a rear frame body portion, and the rear frame body portion. A house that can be expanded inside the house, comprising a side frame body portion and an internal expansion house that can be pulled out and pushed in through the opening.
Among the upper frame portion and the lower frame portion of the frame body portion forming the opening, the house main body has a blank portion in a state where the main body panel is not arranged on the central floor portion of the lower frame body portion, and the blank portion. A side floor is provided on the side of the part, and an inner guide rail is held on the side floor.
Equipped with an outer guide rail laid in a straight line from the inner guide rail, it is possible to form a guide rail configuration inside and outside the house body.
The internal expansion frame includes a bottom frame portion disposed in the blank portion between the side floor portions when pushed in, and a support for supporting the internal expansion house on the outer surface of the side frame portion. Having a member, the support member forms a gap between the house body and the side floor portion, is housed in the space portion, is fixed to the lower end surface of the support member, and is placed on the guide roll. Equipped with running rollers
When the internal expansion frame house is moved on guide rails arranged in a straight line, the internal expansion frame house is pulled out from the panel body, and the bottom frame body portion is positioned outside the blank portion. In addition, a house that can be expanded inside the house is characterized in that a surface having the same height is formed between the floor surface of the internal expansion frame and the floor surface of the house body.
In the house that can be expanded inside the house according to claim 1 or 2.
When the internal expansion frame is moved on the guide rails arranged in a straight line and the internal expansion frame is pulled out from the panel body, it is placed on the central floor of the lower frame portion of the panel body. The main body panel of the house main body is arranged in the blank portion of the generated main body panel non-arranged state, the height of the house main body is made the same as the height of the internal expansion house panel, and the height of the internal expansion frame body is set. A house that can be expanded inside the house, characterized in that a surface of the same height is formed between the floor surface and the floor surface of the house itself.
In the house that can be expanded inside the house according to claim 1 or 2.
A house that can be expanded inside the house, characterized in that the support member is composed of a vertical member and a horizontal member and is integrated with the side frame body.
The house body is composed of a main body frame and has a frame body having an opening in the main body frame body, and the internal expansion frame body is composed of an internal expansion frame body portion, and the internal expansion frame body portion is a front frame body portion, a rear frame body portion, and the rear frame body portion. In an internal expansion method of a house comprising a side frame portion and an internal expansion house that can be pulled out and pushed in through the opening.
In the house main body, among the upper frame body portion and the lower frame body portion of the frame body portion forming the opening, the blank portion in the state where the main body panel is not arranged on the central floor portion of the lower frame body portion, and the blank portion. A side floor is provided on the side of the part, and an inner guide rail is held on the side floor.
Equipped with an outer guide rail laid in a straight line from the inner guide rail, it is possible to form a guide rail configuration inside and outside the house body.
The internal expansion frame body is provided with a bottom frame body portion arranged in the blank portion between the side floor portions when pushed in, and is attached at an interval upward from the bottom frame body portion. A roller traveling on the guide rail is provided, which allows the internal expansion frame to be pulled out and pushed in through the opening from the house body.
When the internal expansion frame house is moved on guide rails arranged in a straight line, the internal expansion frame house is pulled out from the panel body, and the bottom frame body portion is positioned outside the blank portion. In addition, an internal expansion method for a house, characterized in that a surface having the same height is formed between the floor surface of the internal expansion frame and the floor surface of the house body.
The house body is composed of a main body frame and has a frame body having an opening in the main body frame body, and the internal expansion frame body is composed of an internal expansion frame body portion, and the internal expansion frame body portion is a front frame body portion, a rear frame body portion, and the rear frame body portion. In an internal expansion method of a house comprising a side frame portion and an internal expansion house that can be pulled out and pushed in through the opening.
In the house main body, among the upper frame body portion and the lower frame body portion of the frame body portion forming the opening, the blank portion in the state where the main body panel is not arranged on the central floor portion of the lower frame body portion, and the blank portion. A side floor is provided on the side of the part, and an inner guide rail is held on the side floor.
Equipped with an outer guide rail laid in a straight line from the inner guide rail, it is possible to form a guide rail configuration inside and outside the house body.
The internal expansion frame body is provided with a bottom frame body portion arranged in the blank portion between the side floor portions when pushed in, and a support for supporting the internal expansion house on the outer surface of the side frame body portion. On the guide roll having the member, the support member forms a gap between the side floor portion of the house body, is housed in the space portion, and is fixed to the lower end surface of the support member. Equipped with rollers to run
The internal expansion frame house is moved on the guide rails arranged in a straight line, the internal expansion frame house is pulled out from the panel main body, and the bottom frame body portion is positioned outside the blank portion. Internal expansion A method for internally expanding a house, which comprises forming a surface having the same height between the floor surface of the frame and the floor surface of the house body.
A house that can be expanded inside the house is composed of a house body and an internal expansion house, the house body has a main body frame and a frame body having an opening in the main body frame body, and the internal expansion house is an internal expansion frame. The body and the internal expansion frame are provided with a front frame, a rear frame and a side frame, the house is mounted on the chassis of the trailer, and the internal expansion house passes through the opening. In a trailer house that can be pulled out and pushed in from the main body of the house
Among the upper frame portion and the lower frame portion of the frame body portion forming the opening, the house main body has a blank portion in a state where the main body panel is not arranged on the central floor portion of the lower frame body portion, and the blank portion. A side floor is provided on the side of the part, and an inner guide rail is held on the side floor.
A guide rail is configured inside and outside the house body with an outer guide rail laid in a straight line from the inner guide rail.
The internal expansion frame includes a bottom frame portion disposed in the blank portion between the side floor portions when pushed in, and a support for supporting the internal expansion house on the outer surface of the side frame portion. On the guide roll having the member, the support member forms a gap between the side floor portion of the house body, is housed in the space portion, and is fixed to the lower end surface of the support member. Equipped with rollers to run
A trailer house characterized in that the height of the bottom frame is located below the height of the support point of the house body by the rollers.

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