KR20220028331A - Living space expansion type camping car - Google Patents

Abstract

The present invention relates to a space-expandable camping car implemented to expand a user's living space in accordance with needs of the user, comprising: a vehicle part; a camping room part installed at the rear end of the vehicle part and forming an internal space including a roof, a bottom plate, and both side plates; and an expansion part installed on at least one side plate of the camping room part to selectively expand the internal space.

Description

Space Expansion Type Camping Car {LIVING SPACE EXPANSION TYPE CAMPING CAR}

The present invention relates to a space-extended camper, and more particularly, to a space-extended camper implemented so that the user's living space can be expanded according to the user's needs.

BACKGROUND ART In general, a camping car is a vehicle manufactured so that various tools or supplies necessary for daily life are provided inside the vehicle so that the user can comfortably enjoy the trip. A campervan has the advantage of being able to live anywhere, anytime, with just one camper, without having to move and use additional facilities.

For a more comfortable life, it is necessary to have all the elements that enable daily life inside the camper. In order to equip the camper with various elements necessary for daily life, a very large internal space is required.

However, the camper has a limit in securing an internal space due to the limitation of the vehicle, and it is difficult to form an internal space beyond the vehicle width required for driving. Accordingly, many technologies have been developed to further expand the internal space of the camper.

On the other hand, the above-mentioned background technology is technical information that the inventor possessed for the purpose of derivation of the present invention or acquired during the derivation process of the present invention, and it cannot be said that it is necessarily known technology disclosed to the general public before the filing of the present invention. .

Korean Patent Registration No. 10-2105303 Korean Patent Registration No. 10-1990732

One aspect of the present invention provides a space-expandable camping car implemented so that the user's living space can be expanded according to the user's needs.

The technical problems of the present invention are not limited to the technical problems mentioned above, and other technical problems not mentioned will be clearly understood by those skilled in the art from the following description.

Space expansion type camper according to an embodiment of the present invention, the vehicle unit; a camping room unit installed at the rear end of the vehicle unit and forming an inner space including a roof, a bottom plate, and both side plates; and an extension part installed on at least one side plate of the camping room part to selectively expand the internal space.

In one embodiment, the extension part, the extension panel is located in the open opening of the side plate to form a part of the side plate is separated from the opening and moved to the outside; a bottom panel connected to a lower end of the expansion panel to form a bottom surface of the expansion unit and slidably installed on an upper side of the bottom plate of the camping room unit; an extension guide part installed under the floor panel to support the floor panel while the floor panel is moving; and a panel holder that is rotatably connected to the lower side of the floor panel and supports the floor panel so as not to incline the floor panel by rotating the end portion downward when the extension of the extension panel is completed. .

In one embodiment, the expansion guide unit, a buffer space forming an opening downward and formed in the expansion panel or the bottom panel; a cylinder support seated on an upper portion of the buffer space; a vertical cylinder seated in the buffer space and having an upper side supported by the cylinder support part; and a wheel installed at the front end of the piston rod of the vertical cylinder and rotated in contact with the ground.

In one embodiment, the cylinder support portion, the support for supporting the upper surface of the buffer space; an elevating slider that is formed in a cylindrical shape and is rotatably connected to the lower side of the pedestal, and forms a first screw thread in a spiral direction along an outer circumferential surface; It supports the upper side of the vertical cylinder, and forms a seating groove having a shape corresponding to the shape of the elevating slider so that the elevating slider is seated and slid in the up-down direction, and the elevating slider rotates in the up-down direction. a support body in which a second screw thread is formed in a helical direction for connection and installation of the first screw thread along an inner circumferential surface of the seating groove so as to be movable; A third gear mountain in the form of a spur gear is formed along the outer circumferential surface and connected to the lower side of the elevating slider, and when the elevating slider descends more than a preset depth from the seating groove, it rotates together with the elevating slider. descending support gear; a gear support spring connected to the lower side of the support gear and configured to support the support gear by using an elastic force from the lower side of the seating groove; Horizontally installed in the lower part of the seating groove and connected to the third gear mountain of the support gear, the rotation of the support gear is prevented by using an elastic force to prevent the lowering of the slider. brake; and installed on the support body, and is compressed in the vertical direction as the pedestal descends so as to be in close contact with the first screw thread as the second screw thread expands in the vertical direction to brake the rotation of the first screw thread, and is compressed in the internal space It may include a; vertical braking unit for supplying the fluid accommodated in each of the second thread.

In one embodiment, the first screw thread, rollers may be installed to reduce frictional force along the upper and lower sides.

In one embodiment, the horizontal braking unit is installed in the horizontal direction from the lower portion of the seating groove is installed to engage and connect to the third gear mountain, the third gear mountain is rotated as the horizontal rack gear horizontally moving in the left and right direction; and a horizontal spring installed at one end of the horizontal rack gear to prevent the rack gear from moving in one direction by using an elastic force.

In one embodiment, the support gear, the plunger is formed in the shape of a cylinder and installed on the lower side of the elevating slider; a lower screw thread extending along a lower outer circumferential surface of the plunger; and a third gear mountain in the form of a spur gear is formed along the lower outer circumferential surface to be engaged with the horizontal braking unit, is supported by the gear support spring, and the plunger is inserted and rotated to move up and down in the upper part. and a gear body in which a rotation groove having a shape corresponding to the plunger is formed, and an internal thread for engaging the lower screw thread extends along an inner circumferential surface of the rotation groove.

In one embodiment, the gear body may start rotating after the plunger descends to the bottom surface of the rotation groove.

In one embodiment, the second screw thread may be formed by installing a plurality of gear blocks spaced apart from each other at regular intervals along an inner circumferential surface of the seating groove to form rows in a helical direction.

In one embodiment, the gear block, the upper side of the screw thread lower forming the lower part of the thread formed in the form of a flat right-angled inverted triangle; an upper screw thread connected to the upper rear end of the lower screw thread so that the rear end is rotatable to form an upper part of the screw thread; an expansion pouch seated in an installation groove formed at the upper portion of the lower portion of the screw thread and expanded by the fluid supplied from the vertical brake unit to elevate the upper portion of the screw thread in an upward direction; and a rear end support installed on the inner circumferential surface of the seating groove and supporting the rear end of the upper portion of the screw thread by using an elastic force.

In one embodiment, the vertical brake unit is installed upright so that the upper portion is exposed to the upper side of the support body, the vertical bar is pressed downward as the pedestal descends; a fluid tank installed under the vertical bar and compressed as the vertical bar descends to supply a fluid accommodated in the internal space; and a supply line for transferring the fluid supplied from the fluid tank to each gear block.

In one embodiment, the panel mounting portion, the upper pillar rotatably connected to the lower side of the bottom panel; a lower pillar extending in the vertical direction and having a lower portion of the upper pillar seated in a seating space that is opened upwardly and connected to the lower portion of the upper pillar; and an intermediate support seated in a lower portion of the seating space to support a lower side of the upper pillar.

In one embodiment, the intermediate support, the upper support for supporting the lower side of the upper pillar; a lower support seated on the lower side of the seating space; A first inclined frame having an upper part connected to be rotatably connected to one side of the lower side of the upper support and installed to be inclined in the other direction, an upper part connected to a rotatable lower side of the first inclined frame, and a lower part of the support A first intermediate support comprising a first upright frame that is installed and connected to be upright rotatably on one side of the upper part; A second inclined frame, the upper part is connected to be rotatably connected to the other side of the lower part of the upper support and installed to be inclined in one direction, and the upper part is connected and installed so as to be rotatable to the lower side of the second inclined frame, and the lower part is the lower part of the support. a second intermediate support comprising a second upright frame that is installed and connected to be upright rotatably on the other side of the upper part; The lower part is formed in a rotatable "V" shape, and at least one connection is installed between the first intermediate support and the second intermediate support, and the upper support is lowered between the first intermediate support and the second intermediate support. "V"-shaped support for supporting using elastic force when the distance between the two is narrowed; a first horizontal support that passes through a lower portion of the first inclined frame and a lower portion of the second inclined frame in a horizontal direction and is installed in a horizontal direction to support an upper side of the “V”-shaped support; a second horizontal support that passes through each of the first upright frame and the second upright frame in a horizontal direction and is installed in a horizontal direction to support a lower side of the "V"-shaped support; and between one side of the first horizontal support and one side of the second horizontal support, and between the other side of the first horizontal support and the other side of the second horizontal support, respectively, the first horizontal support and the second It may include a; gap support elastic body that pulls between the horizontal supports using an elastic force.

In one embodiment, the "V"-shaped support is installed so that the upper part is rotatably connected to the portion where the first inclined frame and the first upright frame are connected and installed, and the lower part is installed to be inclined in the other direction. 1 support bar; The lower part is connected to be rotatably connected to the first support bar, and the upper part is installed so as to be inclined in the other direction to the upper part of the first support bar of the other "V"-shaped support or the second inclined frame and the second upright frame. a second support bar that is connected and installed so as to be rotatably connected to the connected portion; The first support bar and the second support bar are connected and installed so as to be rotatably connected to a rotation part where they are connected and installed, and are connected to and installed with the lower rack gear installed along the upper surface of the second horizontal support to connect and install the lower rack gear. lower connecting gear moving along; and an intermediate elastic body installed between the first support bar and the second support bar to support between the first support bar and the second support bar by using an elastic force.

In one embodiment, when the "V"-shaped support is installed in connection with another "V"-shaped support, the upper part of the second support bar and the upper part of the first support bar of the other "V"-shaped supporter are rotated an upper connection gear that is connected and installed so as to be rotatably connected to a rotational part that is connected and installed so as to be connected to the upper rack gear installed along the lower side of the first horizontal support and is connected and installed to move along the upper rack gear; and an addition installed between the second support bar and the first support bar of the other "V"-shaped support to support between the second support bar and the first support bar of the other "V"-shaped support by using an elastic force It may further include an intermediate elastic body.

According to one aspect of the present invention described above, by expanding the user's living space according to the user's needs, the space utilization is increased, the overall volume of the vehicle is reduced when the vehicle is moving, and the ease of use is improved, and the It can provide the effect of improving support stability.

The effects of the present invention are not limited to the above-mentioned effects, and various effects may be included within the range apparent to those skilled in the art from the description below.

1 and 2 are diagrams showing a schematic configuration of a space-expandable camper according to an embodiment of the present invention.
3 and 4 are views showing an extension of FIG. 1 .
FIG. 5 is a view showing the extension guide unit of FIG. 3 .
FIG. 6 is a view showing the panel mounting part of FIG. 4 .
7 is a view showing an embodiment of the cylinder support of FIG. 5 .
FIG. 8 is a view showing the support gear of FIG. 7 .
9 is a view showing an embodiment of the second screw thread of FIG. 7 .
FIG. 10 is a view showing the gear block of FIG. 9 .
11 is a view showing an embodiment of the intermediate support of FIG.
12 and 13 are views showing an embodiment of the “V”-shaped support of FIG. 11 .

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS [0010] DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS [0010] DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS [0010] Reference is made to the accompanying drawings, which show by way of illustration specific embodiments in which the present invention may be practiced. These embodiments are described in sufficient detail to enable those skilled in the art to practice the present invention. It should be understood that the various embodiments of the present invention are different but need not be mutually exclusive. For example, certain shapes, structures, and characteristics described herein with respect to one embodiment may be implemented in other embodiments without departing from the spirit and scope of the invention. In addition, it should be understood that the location or arrangement of individual components within each disclosed embodiment may be changed without departing from the spirit and scope of the present invention. Accordingly, the following detailed description is not intended to be taken in a limiting sense, and the scope of the present invention, if properly described, is limited only by the appended claims, along with all scope equivalents to those claimed. Like reference numerals in the drawings refer to the same or similar functions throughout the various aspects.

Hereinafter, preferred embodiments of the present invention will be described in more detail with reference to the drawings.

1 is a view showing a schematic configuration of a space expansion type camper according to an embodiment of the present invention.

Referring to FIG. 1 , the space expansion type camper 1 according to an embodiment of the present invention includes a vehicle unit 10 , a camping room unit 20 , and an extension unit 30 .

The vehicle unit 10 is a general freight vehicle having a loading box, and the camping room unit 20 is installed in a loading box installed at the rear end, or the camping room unit 20 is connected and installed in a trailer type, and the camping room unit 20 is towed. do.

The camping room unit 20 is installed at the rear end of the vehicle unit 10 and towed, and forms an interior space including the roof 22 and the bottom plate 24 and both side plates 26, and is extended on one side or both sides. A portion 30 is installed.

The expansion unit 30 is installed on the side plates 26 of one side 30-1 or both sides 30-2 of the camping room unit 20 to selectively expand the internal space of the camping room unit 20 .

The space expansion type camper 1 according to an embodiment of the present invention having the configuration as described above, as the expansion unit 30 is separated from the camping room unit 20, as shown in FIG. 2, the user's living space By expanding according to the user's needs, the space utilization of the camping room unit 20 is increased, and when the vehicle unit 10 is moved, the overall volume of the vehicle is reduced to improve the ease of use, and to improve the stability of the support of the extended space. can

3 and 4 are views showing an extension of FIG. 1 .

3 and 4 , the extension part 30 includes an extension panel 32 , a floor panel 34 , an extension guide part 36 , and a panel mounting part 38 .

The expansion panel 32 is located in the open opening 28 of the side plate 26 to form a part of the side plate 26 and is separated from the opening 28 and moved to the outside, and the front and rear ends of the extension 30 . And the covers (C1, C2, C3) for sealing the top is installed at the front end, the rear end and the upper edge.

The bottom panel 34 is connected to the lower end of the expansion panel 32 to form the bottom surface of the expansion unit 30 and is slidably installed on the upper surface of the bottom plate 24 of the camping room unit 20, front and rear ends The covers (C1, C2) are installed.

The expansion guide part 36 is installed on the lower side of the floor panel 34 to support the floor panel 34 while the floor panel 34 is moving.

The panel holder 38 is rotatably connected to the lower side of the bottom panel 34 as shown in FIG. 4 , and when the expansion of the expansion panel 32 is completed, the end is rotated downward to rotate the bottom panel 34 . ) to support the bottom panel 34 so as not to incline.

In one embodiment, the expansion guide part 36, as shown in FIG. 4, when the panel mounting part 38 is seated on the bottom surface to support the bottom panel 34, the piston rod 210 is moved to the vertical cylinder ( 200) (refer to FIG. 5) to be accommodated in the internal space so that the entire length is contracted, and it is preferable to be driven so that the bottom panel 34 is supported by the panel holder 38.

In one embodiment, the bottom plate 24 is at least one or more of a shape corresponding to the shape of the guide bar 32 installed along the moving direction of the bottom panel 34 so that the guide bar 32 can be seated and moved. A guide groove 30 may be formed.

In one embodiment, the extension part 30 is installed at the lower end of the floor panel 34 and is guided by being inserted into the guide groove 30 , and a guide bar 32 serving as a reinforcing material supporting and supporting the floor panel 34 . may further include.

In one embodiment, the guide groove 30 and the guide bar 32 may be formed in a triangular cross-sectional structure that is gradually pointed toward the lower part with vertices positioned at the lower part.

In one embodiment, the bottom plate 24 has a seating space 29 for seating the expansion guide part 36 and the panel mounting part 38 when the expansion part 30 is accommodated in the camping room part 20. can be formed along

The expansion unit 30 having the configuration as described above expands the user's living space according to the user's needs as it is separated from the camping room unit 20, thereby increasing the space utilization of the camping room unit 20, and the vehicle unit ( 10), it is possible to improve the ease of use by reducing the overall volume of the vehicle, and to improve the stability of the support of the expanded space.

FIG. 5 is a view showing the extension guide unit of FIG. 3 .

Referring to FIG. 5 , the expansion guide part 36 includes a buffer space 100 , a vertical cylinder 200 , a wheel 300 , and a cylinder support part 400 .

The buffer space 100 has an opening downward and is formed on the expansion panel 32 or the bottom panel 34, and the cylinder support 400 and the vertical cylinder 200 are sequentially installed from the top.

The cylinder support part 400 is seated on the upper part of the buffer space 100 and supports the upper side of the vertical cylinder 200 seated on the lower part of the buffer space 100 by using an elastic force.

The vertical cylinder 200 is seated in the buffer space 100 and the upper side is supported by the cylinder support part 400 .

The wheel 300 is installed at the tip of the piston rod 210 of the vertical cylinder 200 and rotates in contact with the ground.

The expansion guide part 36 having the configuration as described above stably supports the expansion panel 32 or the bottom panel 34, thereby suppressing vibration generated according to the movement of the expansion panel 32 or the bottom panel 34. It can be made to allow smooth movement while buffering.

And, in the expansion guide part 36 having the configuration as described above, after the movement of the expansion panel 32 or the bottom panel 34 is completed and the panel mounting part 38 is rotated, as described above, the piston rod By elevating the 210, the wheel 300 is lifted from the floor so that the support of the floor panel 34 by only the panel holder 38 is performed.

FIG. 6 is a view showing the panel mounting part of FIG. 4 .

Referring to FIG. 6 , the panel mounting unit 38 includes an upper post 600 , a lower post 700 , and an intermediate support body 500 .

The upper pillar 600 is rotatably connected to the lower side of the bottom panel 34 , and the lower portion 620 is seated in the seating space 710 of the lower pillar 700 and supported by the intermediate support body 500 . .

The lower pillar 700 is formed to extend in the vertical direction, and the lower portion of the upper pillar 600 is seated in a seating space 710 that is opened upwardly and is connected to the lower portion of the upper pillar 600 and is installed to prevent shaking on the lower side A support plate 730 is provided for this.

In one embodiment, the lower pillar 700 has a locking groove 610 in which the entrance jaw 720 formed by bending the upper entrance of the seating space 710 inwardly is formed along the outer surface of the lower pillar 700 . ) can be prevented from being separated from the upper column 600 even in the vertical movement of the upper column 600 as it is fastened.

The intermediate support body 500 is seated in the lower portion of the seating space 710 to support the lower side of the upper column 600 by using an elastic force.

The panel holder 38 having the configuration as described above buffers vibrations or shocks according to the movement or life of users residing in the camping room 20 and the expansion unit 30 transmitted from the floor panel 34 . By doing so, it is possible to improve the durability of the equipment and improve the user's housing stability.

7 is a view showing an embodiment of the cylinder support of FIG. 5 .

Referring to FIG. 7 , the cylinder support 400 according to an embodiment includes a pedestal 410 , an elevating slider 420 , a support body 430 , a support gear 440 , a gear support spring 450 , and a horizontal It includes a braking unit 460 and a vertical braking unit 470 .

The pedestal 410 supports the upper surface of the buffer space 100 and is connected to the lower side so that the elevating slider 420 is rotatably installed.

In one embodiment, the pedestal 410 is a support plate 411 formed of a circular plate or a square flat plate, an extension bar 412 extending from the lower side of the support plate 411 and an upper side of the elevating slider 420 . It may include a rotation bar 413 installed below the extension bar 412 so as to be rotatable in the formed rotation groove 421 .

The elevating slider 420 is formed in a cylindrical shape and is rotatably connected to the lower side of the pedestal 410 , and forms a first screw thread S1 in a spiral direction along the outer circumferential surface to form a seating groove of the support body 430 . It is seated in the 431 and descends from the seating groove 431 while rotating as the pedestal 410 descends by the pressure transmitted through the upper surface of the buffer space 100 .

In one embodiment, the first screw thread (S1), the roller (R) may be installed to reduce the frictional force along the upper and lower sides.

The support body 430 supports the upper side of the vertical cylinder 200, and a seating groove of a shape corresponding to the shape of the elevation slider 420 so that the elevation slider 420 can be seated and slid in the vertical direction ( 431) is formed on the upper part, and the first screw thread S1 is engaged along the inner circumferential surface of the seating groove 431 so that the elevating slider 420 can be moved in the vertical direction while rotating, and the second screw thread S2 for connection and installation. ) is formed in the spiral direction.

The support gear 440 forms a third gear mountain S3 in the form of a spur gear along the outer circumferential surface, is connected to the lower side of the elevating slider 420 , and the elevating slider 420 is provided with a seating groove 431 . When it descends more than a preset depth (that is, the distance corresponding to the depth until the plunger 441 descends to the bottom surface of the rotation groove 4431), it descends while rotating with the elevating slider 420, and the gear is supported It is supported by a spring 450 .

The gear support spring 450 is connected to the lower side of the support gear 440 to support the support gear 440 by using an elastic force from the lower side of the seating groove 431 .

In one embodiment, the gear support spring 450 is installed at least one lower side of the rotation seat 452 and the rotation seat 452 on which the support gear 440 is rotatably seated to rotate using an elastic force. It may include a support spring 451 for supporting the seat 452 .

The horizontal braking unit 460 is installed in the horizontal direction from the lower portion of the seating groove 431 to engage and connect to the third gear mountain S3 of the support gear 440 , and to block the descent of the elevating slider 420 . The rotation of the support gear 440 is prevented by using an elastic force.

In an embodiment, the horizontal brake unit 460 may include a horizontal rack gear 461 and a horizontal spring 462 .

The horizontal rack gear 461 is installed in the horizontal direction from the lower part of the seating groove 431 and is connected to the third gear mountain S3 to move in the left and right horizontal direction as the third gear mountain S3 rotates. .

The horizontal spring 462 is installed at one end of the horizontal rack gear 461 to prevent the rack gear from moving in one direction by using an elastic force.

The vertical braking unit 470 is installed on the support body 430 and is in close contact with the first screw thread S1 as the second screw thread S2 is spread in the vertical direction to brake the rotation of the first screw thread S1. As the pedestal 410 descends so that the fluid is compressed in the vertical direction and accommodated in the internal space, the fluid is supplied to each of the second threads S2.

In one embodiment, the vertical brake 470 includes a vertical bar 471 , a fluid tank 472 and a supply line 473 .

The vertical bar 471 is installed upright so that the upper portion is exposed to the upper side of the support body 430 , and is pressed downward as the pedestal 410 descends to compress the fluid tank 472 .

The fluid tank 472 is installed on the lower side of the vertical bar 471, and as the vertical bar 471 descends, the fluid is compressed and accommodated in the internal space through the supply line 473 with a second thread (S2). It is transmitted to each gear block 480 constituting the.

The supply line 473 consists of individual supply pipes from the fluid tank 472 to each gear block 480 , and delivers the fluid supplied from the fluid tank 472 to each gear block 480 .

The cylinder support part 400 having the above-described configuration attenuates vibrations or shocks transmitted from the expansion panel 32 or the bottom panel 34, so that the expansion panel 32 or the bottom panel 34 moves smoothly. This is to prevent damage due to shaking as the equipment (eg, ice box, burner, bedding, etc.) stored in the camping room unit 20 and the expansion unit 30 moves accordingly. can

FIG. 8 is a view showing the support gear of FIG. 7 .

Referring to FIG. 8 , the support gear 440 includes a plunger 441 , a lower thread 442 , and a gear body 443 .

The plunger 441 is formed in a cylindrical shape and is installed below the elevating slider 420 , and moves in the vertical direction while rotating in the rotation groove 4431 .

The lower thread 442 is formed to extend along the lower outer circumferential surface of the plunger 441 so that the plunger 441 can move in the vertical direction while rotating along the rotation groove 4431, and is engaged with the internal thread 4432 and connected .

The gear body 443 forms a third gear mountain S3 in the form of a spur gear along the lower outer circumferential surface so as to be engaged with the horizontal braking unit 460, is supported by a gear support spring 450, and a plunger ( A rotation groove 4431 having a shape corresponding to the plunger 441 is formed in the upper portion so that the 441 is inserted and moved in the vertical direction while rotating, and an internal thread 4432 for engaging the lower screw thread 442 is a rotation groove It is formed extending along the inner circumferential surface of

In one embodiment, the gear body 443 may start rotating after the plunger 441 descends to the bottom surface of the rotation groove 4431 .

That is, when the plunger 441 is initially seated, only a portion is inserted and seated on the upper side of the rotation groove 4431 , and even when the plunger 441 rotates, the gear body 443 cannot rotate, and the plunger 441 rotates. While being seated on the bottom surface of the rotation groove 4431, the gear body 443 is rotated by the rotational force.

9 is a view showing an embodiment of the second screw thread of FIG. 7 .

Referring to FIG. 9 , in the second screw thread S2 according to an embodiment, a plurality of gear blocks 480a and 480b are spaced apart from each other at regular intervals along the inner circumferential surface of the seating groove 431 to form rows in a spiral direction. installed and formed.

In the case of FIG. 9 , only two gear blocks 480a and 480b are shown, but the second screw thread S2 according to an embodiment is installed in a plurality of rows along the inner circumferential surface of the seating groove 431, so that the first The screw thread S1 may be engaged to form a screw thread for connection and installation.

FIG. 10 is a view showing the gear block of FIG. 9 .

Referring to FIG. 10 , the gear block 480 includes a lower threaded portion 481 , a threaded upper portion 482 , an inflation pouch 483 , and a rear end support 484 .

The lower threaded portion 481 forms a lower portion of the thread by the gear block 480 formed in the form of a right-angled inverted triangle with a flat upper side.

The threaded upper part 482 is connected to the upper rear end of the threaded lower part 481 so that the rear end is rotatable to form the upper part of the thread by the gear block 480, and the expansion pouch 483 installed on the lower side expands. Accordingly, it is lifted in close contact with the first screw thread S1 to brake the rotation of the elevating slider 420 .

The expansion pouch 483 is seated in the installation groove 4811 formed on the upper portion of the screw thread lower portion 481 , and is expanded by the fluid supplied from the vertical braking unit 470 to elevate the screw thread upper portion 482 upward. do it

The rear end support 484 is installed on the inner circumferential surface of the seating groove 431 and supports the rear end of the screw thread upper portion 482 by using an elastic force.

11 is a view showing an embodiment of the intermediate support of FIG.

Referring to FIG. 11 , the intermediate support 500 according to an embodiment includes an upper support 510 , a lower support 520 , a first intermediate support 530 , a second intermediate support 540 , a “V” shape. It includes a support 550 , a first horizontal support 560 , a second horizontal support 570 , and a gap support elastic body 580 .

The upper support 510 supports the lower side of the upper column 600 , and is supported by the first intermediate support 530 and the second intermediate support 540 installed on the lower side of the vibration transmitted from the upper column 600 . It transmits the shock or the like to the first intermediate support 530 and the second intermediate support 540 .

The lower support 520 is seated on the lower side of the seating space 710 , and the lower sides of the first intermediate support 530 and the second intermediate support 540 are connected to be rotatably installed.

The first intermediate support 530 includes a first inclined frame 531 whose upper portion is rotatably connected to the lower one side of the upper support 510 and is installed to be inclined in the other one direction, and an upper portion of the first inclined frame ( 531) is rotatably connected to the lower side, and the lower part is made up of a first upright frame 532 that is installed and connected so as to be rotatably connected to the upper side of the support.

The second intermediate support 540 includes a second inclined frame 541 having an upper portion connected to be rotatably connected to the lower other side of the upper support 510 and installed to be inclined in one direction, and a second inclined frame having an upper portion ( 541) is rotatably connected to the lower side, and the lower part consists of a second upright frame 542 that is installed and connected to be upright rotatably on the other side of the upper part of the support.

The "V"-shaped support 550 is formed in a "V" shape with a rotatable lower portion, and at least one connection is installed between the first intermediate support 530 and the second intermediate support 540 , and the upper support 510 ) is lowered and the gap between the first intermediate support 530 and the second intermediate support 540 is narrowed, and the elastic force is used to support it.

That is, when the upper support 510 descends by vibration or shock transmitted from the upper column 600 , the gap between the first intermediate support 530 and the second intermediate support 540 is reduced, and the gap is supported The "V" type support 550 is to absorb the vibration or shock transmitted from the upper column 600 to reduce the vibration or shock.

The first horizontal support 560 passes through the lower part of the first inclined frame 531 and the lower part of the second inclined frame 541 in the horizontal direction, respectively, and is installed in the horizontal direction to the upper side of the "V"-shaped supporter 550 . support the

The second horizontal supporter 570 passes through each of the first upright frame 532 and the second upright frame 542 in the horizontal direction and is installed in the horizontal direction to support the lower side of the "V"-shaped supporter 550 .

The gap support elastic body 580 is between one side of the first horizontal support 560 and one side of the second horizontal support 570 , and the other side of the first horizontal support 560 and the other of the second horizontal support 570 . It is installed between one side, respectively, and pulls between the first horizontal support 560 and the second horizontal support 570 by using an elastic force.

The intermediate support 500 having the configuration as described above buffers vibrations or shocks according to the movement or life of users residing in the camping room unit 20 and the extension unit 30 delivered from the floor panel 34 , By giving, it is possible to improve the durability of the equipment and improve the housing stability of the user.

12 and 13 are views showing an embodiment of the “V”-shaped support of FIG. 11 .

12 and 13 , the "V"-shaped support 550 according to an embodiment includes a first support bar 551 , a second support bar 552 , a lower connecting gear 553 and an intermediate elastic body ( 554).

The first support bar 551 is connected so that the upper part is rotatably connected to the portion V1 where the first inclined frame 531 and the first upright frame 532 are connected and installed, and the lower part is inclined in the other direction. It is installed so as to be rotatably connected to the lower portion of the second support bar 552 .

The second support bar 552 is installed so that the lower part is rotatably connected to the lower part of the first support bar 551, and the upper part is installed to be inclined in the other direction, so that the first of the other "V"-shaped supporters 550a. The upper portion of the support bar 551a or the second inclined frame 541 and the second upright frame 542 are connected and installed so as to be rotatably connected to each other.

The lower connecting gear 553 is rotatably connected to the rotational portion V2 where the first support bar 551 and the second support bar 552 are connected and installed, and the upper surface of the second horizontal supporter 570 . It is installed in engagement with the lower rack gear 521 installed along the , and moves along the lower rack gear 521 .

The intermediate elastic body 554 is installed between the first support bar 551 and the second support bar 552 to support between the first support bar 551 and the second support bar 552 using an elastic force.

The "V"-shaped support 550 according to an embodiment having the configuration as described above may further include an upper connecting gear 555 and an additional intermediate elastic body 556 .

The upper connection gear 555 is connected to the upper portion of the second support bar 552 and the upper portion of the first support bar 551a of the other "V"-shaped supporter 550a to be rotatably connected to the rotation portion V3. It is connected and installed so as to be rotatable, and is connected to and installed with the upper rack gear 561 installed along the lower side of the first horizontal support 560 to move along the upper rack gear 561 .

The additional intermediate elastic body 556 is installed between the second support bar 552 and the first support bar 551a of the other "V"-shaped supporter 550a and is different from the second support bar 552 by using an elastic force. It supports between the first support bars of the "V"-shaped support 550 .

The above-described embodiments are for illustration, and those of ordinary skill in the art to which the above-described embodiments pertain can easily transform into other specific forms without changing the technical idea or essential features of the above-described embodiments. You will understand. Therefore, it should be understood that the above-described embodiments are illustrative in all respects and not restrictive. For example, each component described as a single type may be implemented in a dispersed form, and likewise components described as distributed may also be implemented in a combined form.

The scope to be protected through the present specification is indicated by the claims described below rather than the above detailed description, and should be construed to include all changes or modifications derived from the meaning and scope of the claims and their equivalents. .

1: Space-extended camper
10: vehicle department
20: camping room
30: extension

Claims (8)

vehicle department; a camping room unit installed at the rear end of the vehicle unit and forming an inner space including a roof, a bottom plate, and both side plates; and an extension part installed on at least one side plate of the camping room part to selectively expand the internal space;
The extension is
an extension panel positioned in the open opening of the side plate to form a part of the side plate and separated from the opening to move outward; a bottom panel connected to a lower end of the expansion panel to form a bottom surface of the expansion unit and slidably installed on an upper side of the bottom plate of the camping room unit; an extension guide part installed under the floor panel to support the floor panel during movement of the floor panel; and a panel holder that is rotatably connected to the lower side of the floor panel and supports the floor panel so as not to incline the floor panel by rotating the end portion downward when the extension of the extension panel is completed;
The extension induction unit,
a buffer space forming an opening downward and formed in the expansion panel or the bottom panel; a cylinder support seated on an upper portion of the buffer space; a vertical cylinder seated in the buffer space and having an upper side supported by the cylinder support part; and a wheel installed at the front end of the piston rod of the vertical cylinder and rotated in contact with the ground.
According to claim 1, wherein the cylinder support portion,
a pedestal for supporting an upper surface of the buffer space;
an elevating slider that is formed in a cylindrical shape and is rotatably connected to the lower side of the pedestal, and forms a first screw thread in a spiral direction along an outer circumferential surface;
It supports the upper side of the vertical cylinder, and forms a seating groove having a shape corresponding to the shape of the elevating slider so that the elevating slider is seated and slid in the up-down direction, and the elevating slider rotates in the up-down direction. a support body in which a second screw thread is formed in a helical direction for connection and installation of the first screw thread along an inner circumferential surface of the seating groove so as to be movable;
A third gear mountain in the form of a spur gear is formed along the outer circumferential surface and connected to the lower side of the elevating slider, and when the elevating slider descends more than a preset depth from the seating groove, it rotates together with the elevating slider. descending support gear;
a gear support spring connected to the lower side of the support gear and configured to support the support gear by using an elastic force from the lower side of the seating groove;
Horizontally installed in the lower part of the seating groove and connected to the third gear mountain of the support gear, the rotation of the support gear is prevented by using an elastic force to prevent the lowering of the slider. brake; and
It is installed on the support body, and as the pedestal descends so as to be in close contact with the first screw thread as the second screw thread is expanded in the vertical direction to brake the rotation of the first screw thread, it is compressed in the vertical direction to the internal space. Containing, a space-expandable camper, including; a vertical braking unit for supplying the accommodated fluid to each of the second threads.
According to claim 2, wherein the support gear,
a plunger formed in a cylindrical shape and installed below the elevating slider;
a lower screw thread extending along a lower outer circumferential surface of the plunger; and
A third gear mountain in the form of a spur gear is formed along the lower outer circumferential surface to be engaged with the horizontal brake unit, is supported by the gear support spring, and the plunger is inserted and rotated to move up and down in the upper part. A space-expandable camper, including; a gear body in which a rotation groove having a shape corresponding to the plunger is formed, and an internal thread for engaging the lower thread is extended along the inner circumferential surface of the rotation groove.
4. The method of claim 3,
The second screw thread,
A plurality of gear blocks are spaced apart from each other at regular intervals along the inner circumferential surface of the seating groove and are installed and installed in a spiral direction.
The gear block is
a lower screw thread forming a lower portion of the screw thread formed in the form of a right-angled inverted triangle having a flat upper side;
an upper screw thread connected to the upper rear end of the lower screw thread so that the rear end is rotatable to form an upper part of the screw thread;
an expansion pouch seated in an installation groove formed at the upper portion of the lower portion of the screw thread and expanded by the fluid supplied from the vertical brake unit to elevate the upper portion of the screw thread in an upward direction; and
A rear end support installed on the inner circumferential surface of the seating groove and supporting the rear end of the upper screw thread by using an elastic force; Containing, a space expansion type camper.
According to claim 1, wherein the panel mounting portion,
an upper pillar that is rotatably connected to a lower side of the floor panel;
a lower pillar extending in the vertical direction and having a lower portion of the upper pillar seated in a seating space that is opened upwardly and connected to the lower portion of the upper pillar; and
Intermediate support that is seated in the lower portion of the seating space to support the lower side of the upper pillar; Containing, a space-expandable camper.
According to claim 5, wherein the intermediate support,
an upper support for supporting a lower side of the upper column;
a lower support seated on the lower side of the seating space;
A first inclined frame having an upper part connected to be rotatably connected to one side of the lower side of the upper support and installed to be inclined in the other direction, an upper part connected to a rotatable lower side of the first inclined frame, and a lower part of the support A first intermediate support consisting of a first upright frame that is installed and connected to be upright rotatable on one side of the upper part;
A second inclined frame, the upper part is connected to be rotatably connected to the other side of the lower part of the upper support and installed to be inclined in one direction, and the upper part is connected and installed so as to be rotatable to the lower side of the second inclined frame, and the lower part is the lower part of the support. a second intermediate support comprising a second upright frame that is installed and connected to be upright rotatably on the other side of the upper part;
The lower part is formed in a rotatable "V" shape, and at least one connection is installed between the first intermediate support and the second intermediate support, and the upper support is lowered between the first intermediate support and the second intermediate support. "V"-shaped support for supporting by using elastic force when the distance between them is narrowed;
a first horizontal support that passes through a lower portion of the first inclined frame and a lower portion of the second inclined frame in a horizontal direction and is installed in a horizontal direction to support an upper side of the “V”-shaped support;
a second horizontal support that passes through each of the first upright frame and the second upright frame in a horizontal direction and is installed in a horizontal direction to support a lower side of the "V"-shaped support; and
Installed between one side of the first horizontal support and one side of the second horizontal support, and between the other side of the first horizontal support and the other side of the second horizontal support, respectively, the first horizontal support and the second horizontal support Spacing support elastic body that pulls between the supports by using the elastic force; Containing, a space-expandable camper.
According to claim 6, wherein the "V"-shaped support,
a first support bar having an upper portion rotatably connected to a portion where the first inclined frame and the first upright frame are connected to each other, and having a lower portion inclined in the other direction;
The lower part is connected to be rotatably connected to the first support bar, and the upper part is installed so as to be inclined in the other direction to the upper part of the first support bar of the other "V"-shaped support or the second inclined frame and the second upright frame. a second support bar that is connected and installed so as to be rotatably connected to the connected portion;
The first support bar and the second support bar are connected and installed so as to be rotatably connected to a rotation part where they are connected and installed, and are connected to and installed with the lower rack gear installed along the upper surface of the second horizontal support to connect and install the lower rack gear. lower connecting gear moving along; and
Intermediate elastic body installed between the first support bar and the second support bar to support between the first support bar and the second support bar by using an elastic force; Containing, a space expansion type camper.
According to claim 7, wherein the "V"-shaped support,
If installed in connection with other "V"-shaped supports,
The upper portion of the second support bar and the upper portion of the first support bar of the other "V"-shaped support are rotatably connected and installed in a pivoting part to be rotatably connected and installed along the lower side of the first horizontal support. an upper connection gear that is installed in engagement with the upper rack gear and moves along the upper rack gear; and
An additional intermediate provided between the second support bar and the first support bar of the other "V"-shaped support to support between the second support bar and the first support bar of the other "V"-shaped support by using an elastic force An elastic body; further comprising, a space-expandable camper.

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