CN216948774U - Extensible cabin - Google Patents

Abstract

The utility model relates to an expandable cabin body, which aims to solve the technical problem of poor stability of a square cabin after expansion in the prior art. The expansion cabin comprises an expansion top plate, an expansion bottom plate, expansion side plates and a fixing structure, the expansion top plate and the expansion bottom plate are respectively hinged to the upper end and the lower end of the main cabin body, the expansion side plates are hinged to the outer side of the expansion top plate, the expansion device comprises an expansion top plate telescopic rod, an expansion bottom plate telescopic rod and an expansion side plate folding and unfolding mechanism, and the fixing structure is provided with a locking state and an unlocking state. The expansion side plates are pulled by the steel wire ropes to realize expansion and retraction, the expansion top plate and the expansion bottom plate can be supported in an expansion state by corresponding telescopic rods, the connecting structure between the expansion top plate and the main cabin body can also play a role in auxiliary fixing, and then the fixing structure is adjusted to be in a locking state, so that the expansion side plates and the expansion top plate and/or the expansion bottom plate are fixed together, and the expansion side plate and the expansion top plate and/or the expansion bottom plate can have a very stable structure after being completely expanded.

Description

Extensible cabin

Technical Field

The utility model relates to an expandable cabin.

Background

The shelter is widely applied to industries such as military, communication and the like due to the characteristic of flexible movement. In order to ensure the comfort of the operators in the cabin, a larger internal area of the carriage is needed, but due to the size limitation of the transport vehicle, the size of the carriage in the transport state cannot exceed the loading limitation of the transport vehicle, so that the application of the expansion type square cabin is more and more extensive.

Patent CN107366357A discloses a foldable extension shelter, two side cabins of which can be unfolded to increase the internal area of the shelter body, but the bottom plate, side plates and top plate of the side cabin of the shelter are sequentially hinged together, and the bottom plate of the side cabin is hinged at the bottom of the main cabin body, so after the extension is completed, the top plate of the side cabin is completely fixed in the unfolded state by the supporting force of the hydraulic cylinder and the supporting force of the front and rear end plates, and therefore, the problem of poor stability exists.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide an expandable cabin body to solve the technical problem of poor stability of the cabin after expansion in the prior art.

In order to achieve the purpose, the expandable cabin adopts the following technical scheme:

an expandable cabin body comprises a main cabin body, an expansion cabin and an expansion device, wherein the expansion cabin comprises an expansion top plate, an expansion bottom plate and expansion side plates, the expansion top plate is hinged at the upper end of the main cabin body, the expansion side plate is hinged at the outer side of the expansion top plate, the expansion bottom plate is hinged at the lower end of the main cabin body, the expansion device comprises an expansion top plate expansion rod, an expansion bottom plate expansion rod and an expansion side plate folding and unfolding mechanism, the expansion top plate expansion rod and the expansion bottom plate expansion rod both comprise linear displacement output ends, the expansion top plate expansion link is arranged between the main cabin body and the expansion top plate, the expansion bottom plate expansion link is arranged between the main cabin body and the expansion bottom plate, the extension side plate folding and unfolding mechanism comprises a winch and a steel wire rope, the winch is arranged on the main cabin body, and a free end of the steel wire rope is fixed on the extension side plate so as to pull the extension side plate to rotate relative to the extension top plate; the expansion cabin also comprises a fixing structure for fixing the expansion side plates, and the fixing structure has a locking state for fixedly connecting the expansion side plates with the expansion top plate and/or the expansion bottom plate into a whole and an unlocking state for releasing the locking state of the expansion side plates so as to enable the expansion side plates to rotate relatively.

The expansion side plate folding and unfolding mechanism further comprises a guide pulley arranged on the side face of the expansion top plate, and the free end of the steel wire rope is fixed on the expansion side plate after passing around the guide pulley.

The expansion cabins are two and symmetrically arranged on the left side and the right side of the main cabin body.

The main cabin body comprises a front side plate, a rear side plate, a top plate, a bottom plate, a left side plate and a right side plate, the front side plate, the rear side plate, the top plate and the bottom plate are fixedly connected, the side plate facing the expansion cabin is in a split form, the front end and the rear end of the split side plate are hinged to the end portions, close to the expansion cabin, of the front side plate and the rear side plate respectively, and the split side plate can rotate to block the front end and the rear end of the expansion cabin to form a front end plate and a rear end plate.

The middle-dividing side plates are respectively provided with a pin shaft in the middle, and the expansion bottom plate is provided with pin holes corresponding to the pin shafts so as to fix the front end plate and the rear end plate on the expansion bottom plate.

The upper end of the front side plate is hinged with an upper baffle plate, the expanding device comprises an upper baffle plate telescopic rod arranged between the front side plate and the upper baffle plate, and the upper baffle plate telescopic rod comprises a linear displacement output end connected to the middle part of the upper baffle plate.

The lower end of the front side plate is hinged with a lower pedal, the expansion device comprises a lower pedal traction rope arranged between the front side plate and the lower pedal, and a hook used for fixing the lower pedal traction rope is arranged on the front side plate.

The expansion top plate telescopic rod, the expansion bottom plate telescopic rod and the upper baffle plate telescopic rod are all hydraulic oil cylinders.

The main cabin body includes that the lower extreme is used for supporting in the bearing portion on ground, bottom plate protrusion in bearing portion, the bottom of the main cabin body articulates there are a plurality ofly can turn to along the fore-and-aft direction, also can outwards turn to along left right direction in order to support the backup pad of expansion cabin.

The main cabin body further comprises a bearing beam column, and the supporting plate is hinged to the bearing beam column at the lower end.

The utility model has the following beneficial effects: the expansion top plate is hinged to the upper end of the main cabin body, the expansion bottom plate is hinged to the lower end of the main cabin body, the expansion side plate is hinged to the expansion top plate, the expansion side plate is pulled by a steel wire rope to be unfolded and folded, the expansion top plate and the expansion bottom plate can be supported in an unfolded state by corresponding telescopic rods, a connecting structure between the expansion top plate and the main cabin body can play a role in auxiliary fixing, and then the fixing structure is adjusted to be in a locking state, so that the expansion side plate and the expansion top plate and/or the expansion bottom plate are fixed together, and the fully unfolded structure of the fully unfolded telescopic cabin body can have an extremely stable structure.

Simultaneously, make the curb plate that is close to the expansion cabin with the main cabin body and divide the form into, rotate the curb plate of dividing the form and form the front end plate and the rear end plate of expansion cabin, after the expansion cabin expandes completely, the expansion cabin inner space communicates with main cabin body inner space completely and can not be separated by the curb plate of the main cabin body for the interior space is more penetrating, and the comfort level is higher.

Drawings

Figure 1 is a schematic view of an embodiment of an expandable enclosure of the present invention in a deployed state;

FIG. 2 is a cross-sectional view of FIG. 1;

FIG. 3 is a front view of FIG. 1;

figure 4 is a schematic view of the expandable nacelle of figure 1 in a stowed position;

fig. 5 is a schematic view of the structure of fig. 4 from another perspective.

Detailed Description

An embodiment of an expandable cabin of the utility model:

the specific structure of the expandable cabin of the present invention is shown in fig. 1 to 5, and includes a main cabin 100, two expansion cabins 200 symmetrically distributed on both sides of the main cabin, and an expansion device 300 for driving the two expansion cabins 200 to expand. The expansion trunk 200 has a stowed state in which the expansion trunk 200 is stowed at the side wall of the main hull 100 for transportation and a deployed state in which the internal area of the expansion trunk 200 is fully deployed to increase the internal area of the expandable hull.

The main cabin 100 comprises a front side plate 11, a rear side plate 12, a top plate 13, a bottom plate 14, a left side plate and a right side plate, wherein the front side plate 11, the rear side plate 12, the top plate 13 and the bottom plate 14 are fixedly connected, the left side plate and the right side plate are in a split form, the split form means that the corresponding side plate comprises two parts separated from the middle part along the vertical direction, and the front end and the rear end of the split left side plate and the split right side plate are respectively hinged to the corresponding end parts of the front side plate 11 and the rear side plate 12.

The expansion compartment 200 includes a front end plate 21, a rear end plate 22, an expansion top plate 23, an expansion bottom plate 24, and an expansion side plate 25, and the expansion side plate 25 is a left side plate for the left expansion compartment 200 and a right side plate for the right expansion compartment 200. The inner ends of the top extension plates 23 are hinged to the respective ends of the top plate 13, the side extension plates 25 are hinged to the outer ends of the top extension plates 23, and the inner sides of the bottom extension plates 24 are hinged to the respective ends of the bottom plate 14.

The expanding device 300 comprises an expanding top plate telescopic rod 31, an expanding bottom plate telescopic rod 32 and an expanding side plate folding and unfolding mechanism 33, the expanding top plate telescopic rod 31 is installed between the main cabin body 100 and the expanding top plate 23, the linear displacement output end of the expanding top plate is hinged to the middle of the expanding top plate 23, the expanding top plate 23 can be driven to expand outwards relative to the main cabin body to be parallel to the top plate 13 during the expanding process, and the expanding top plate 23 can be driven to rotate inwards relative to the main cabin body 100 to be attached to the outer side of the left side plate or the right side plate during the shortening process. The expansion bottom plate expansion link 32 is installed between the main cabin 100 and the expansion bottom plate 24, the linear displacement output end thereof is hinged in the middle of the expansion bottom plate 24, the expansion bottom plate 24 can be driven to expand outwards relative to the main cabin to be parallel to the bottom plate 14 during the expansion, and the expansion bottom plate 24 can be driven to rotate inwards relative to the main cabin 100 to be attached to the outer side of the left side plate or the right side plate during the shortening. The extended side panel folding and unfolding mechanism 33 includes a hoist, a guide pulley 331, and a wire rope 332. The winch is installed on the main cabin 100, the guide pulley 331 is installed on the extension top plate 23, and the steel wire rope 332 is wound on the winding drum of the winch, and the free end of the steel wire rope is fixed in the middle of the extension side plate 25 by bypassing the guide pulley 331. After the extension top plate 23 is unfolded, the winch is controlled to rotate to release the steel wire rope 332, and the extension side plate 25 rotates downwards to be in an upright state by taking the hinge shaft of the extension side plate and the outer end of the extension top plate 23 as a center under the action of gravity. Before the extension top plate 23 needs to be retracted, the winch is controlled to rotate the retraction wire rope 332, the extension side plate 25 is pulled by the wire rope 332 to rotate upwards to be attached to the inner side of the extension top plate 23 by taking a hinge shaft of the extension side plate 25 and the outer end of the extension top plate 23 as a center, and then the extension top plate 23 can be retracted.

The two parts of the left side plate rotate outwards 90 degrees along the respective hinge axis to form the front end plate 21 and the rear end plate 22 of the left expansion chamber 200, and the two parts of the right side plate rotate outwards 90 degrees along the respective hinge axis to form the front end plate 21 and the rear end plate 22 of the right expansion chamber 200. The two parts of the left side plate (right side plate) are both provided with pin shafts, and the expansion bottom plate 24 is provided with pin holes for the pin shafts to be inserted and fixed. Under the structure, after the expansion cabin 200 is completely unfolded, the internal space of the expansion cabin 200 is completely communicated with the internal space of the main cabin body 100 and cannot be separated by the side plates of the main cabin body 100, so that the indoor space is more permeable, and the comfort level is higher. In other embodiments, the pin shaft and the pin hole may also be installed between the left side plate (right side plate) and the expansion side plate 25.

In this embodiment, the extension top plate extension rod 31 and the extension bottom plate extension rod 32 are both hydraulic cylinders, and in other embodiments, the extension top plate extension rod 31 and the extension bottom plate extension rod 32 can also be replaced by electric push rods or other extension rods with linear displacement output ends.

In a more preferred embodiment, the main cabin 100 includes a supporting portion 17 for supporting on the ground at the lower end, the bottom plate 14 protrudes from the supporting portion 17, the main cabin 100 further includes a bearing beam column 18, the bearing beam column 18 at the lower end of the bottom plate 14 is hinged with a plurality of supporting plates 19 at intervals along the axial direction thereof, when the supporting plates 19 are folded, the supporting plates all extend along the axial direction of the corresponding bearing beam column 18, and when the main cabin is unfolded, the supporting plates extend outwards perpendicular to the corresponding bearing beam column 18 to support the unfolded expansion cabin 200. The windlasses in the extension top plate extension rod 31, the extension bottom plate extension rod 32 and the extension side plate folding and unfolding mechanism 33 are all installed on the corresponding bearing beam column 18. In other embodiments, the support plate 19 can be omitted when the bottom plate 14 of the main compartment 100 is attached to the ground.

In a more preferred embodiment, the upper end of the front side plate 11 is hinged with an upper baffle 15, the lower end is hinged with a lower pedal 16, the expansion device 300 comprises an upper baffle telescopic rod 34 arranged between the front side plate 11 and the upper baffle 15, and the linear displacement output end of the upper baffle telescopic rod 34 is arranged in the middle of the upper baffle 15 and can push the upper baffle 15 to rotate to a straight state when extending out so as to shade the sun and rain. The expanding device 300 further comprises a lower pedal pulling rope 35 which is pulled between the front side plate 11 and the lower pedal 16, the end part of the lower pedal pulling rope 35 is fixed in the middle of the lower pedal 16, and a hook for fixing the lower pedal pulling rope 35 is installed on the front side plate 11. When the lower pedal 16 is manually unfolded, the lower pedal 16 is tensioned by the pulling rope 35 and suspended at the front end of the main cabin 100, and when the lower pedal 16 needs to be folded, the lower pedal 16 is rotated upwards to be attached to the front side plate 11, and then the pulling rope 35 is fixed on the hook. It will be appreciated that the absence of the upper baffle 15 and/or lower pedal 16 does not affect the stability of the utility model when fully deployed.

The utility model comprises the following steps: firstly unfolding the supporting plate 19, then unfolding the expanding bottom plate 24 on the supporting plate 19, then unfolding the expanding top plate 23 and the expanding side plate 25 in sequence, manually pushing the left side plate and the right side plate to rotate to positions to form a front end plate 21 and a rear end plate 22, and finally unfolding the upper baffle plate 15 and the lower pedal plate 16 to complete the unfolding process. Wherein the deployment of the upper and lower pedals 15 and 16 may be performed first or after any one step.

The steps when the expansion cabin 200 is retracted are as follows: firstly, the front end plate 21 and the rear end plate 22 are pushed to rotate in place to form a left side plate and a right side plate, secondly, the extension side plate 25 is folded to be overlapped with the extension top plate 23, the extension top plate 23 is folded again to be attached to the left side plate or the right side plate, then, the extension bottom plate 24 is folded to be attached to the extension top plate 23, and finally, the support plate 19, the upper baffle plate 15 and the lower pedal plate 16 are folded. Likewise, the retraction of the upper baffle 15 and the lower step 16 may be done first or after any one step.

In this embodiment, the expansion compartment 100 further includes a fixing structure (not shown) for fixing the expansion side plates, and the fixing structure has a locked state in which the expansion side plates are integrally fixed to the expansion top plate and/or the expansion bottom plate, and an unlocked state in which the locked state of the expansion side plates is released to allow the expansion side plates to rotate relatively. The fixing structure may be a pin shaft disposed on one of the expansion side plate 25 and the expansion bottom plate 24, an adapting pin hole disposed on the other, an angle steel having one side plate detachably connected to the expansion side plate 25 and the other side plate detachably connected to the expansion bottom plate 24, or any structure in the prior art that can fix the expansion side plate 25 and the expansion bottom plate 24 together. Of course, the fixing structure can fix the extension side plate 25 on the extension top plate 23 and the extension bottom plate 24 at the same time, which can further enhance the strength of the utility model after the extension is completed.

In other embodiments, the expansion cabin 200 may be disposed on only one side of the main cabin 100 according to specific requirements, in this case, only the side plate near the expansion cabin 200 may be made to be a split type, and the other side plate may be fixedly connected to the top plate and the bottom plate to further increase the strength of the main cabin 100; of course, the left side plate and the right side plate of the main cabin 100 may be fixed between the top plate 13 and the bottom plate 14, and two plates are hinged to the front end and the rear end of the main cabin 100 to serve as the front end plate and the rear end plate of the expansion cabin 200.

Finally, it should be noted that: in the description of the present invention, it should be noted that the terms "vertical", "upper", "lower", "horizontal", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.

In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

The above embodiments are only for illustrating the technical solutions of the present invention and are not limited, and other modifications or equivalent substitutions made by the technical solutions of the present invention by the ordinary skilled person in the art are included in the scope of the claims of the present invention without departing from the spirit and scope of the technical solutions of the present invention.

Claims (10)

1. An expandable cabin, its characterized in that: the expansion cabin comprises an expansion top plate, an expansion bottom plate and expansion side plates, the expansion top plate is hinged to the upper end of the main cabin body, the expansion side plates are hinged to the outer side of the expansion top plate, the expansion bottom plate is hinged to the lower end of the main cabin body, the expansion device comprises an expansion top plate telescopic rod, an expansion bottom plate telescopic rod and an expansion side plate folding and unfolding mechanism, the expansion top plate telescopic rod and the expansion bottom plate telescopic rod both comprise linear displacement output ends, the expansion top plate telescopic rod is installed between the main cabin body and the expansion top plate, the expansion bottom plate telescopic rod is installed between the main cabin body and the expansion bottom plate, the expansion side plate folding and unfolding mechanism comprises a winch and a steel wire rope, the winch is installed on the main cabin body, and the free end of the steel wire rope is fixed on the expansion side plates to pull the expansion side plates to rotate relative to the expansion top plate; the expansion cabin also comprises a fixing structure for fixing the expansion side plates, and the fixing structure has a locking state for fixedly connecting the expansion side plates with the expansion top plate and/or the expansion bottom plate into a whole and an unlocking state for releasing the locking state of the expansion side plates so as to enable the expansion side plates to rotate relatively.

2. The expandable shelter of claim 1, wherein: the expansion side plate folding and unfolding mechanism further comprises a guide pulley arranged on the side face of the expansion top plate, and the free end of the steel wire rope is fixed on the expansion side plate after bypassing the guide pulley.

3. The expandable shelter of claim 1, wherein: the expansion cabins are two and symmetrically arranged on the left side and the right side of the main cabin body.

4. The expandable shelter of claim 1, wherein: the main cabin body comprises a front side plate, a rear side plate, a top plate, a bottom plate, a left side plate and a right side plate, the front side plate, the rear side plate, the top plate and the bottom plate are fixedly connected, the side plate facing the expansion cabin is in a split form, the front end and the rear end of the split side plate are hinged to the end portions, close to the expansion cabin, of the front side plate and the rear side plate respectively, and the split side plate can rotate to block the front end and the rear end of the expansion cabin to form a front end plate and a rear end plate.

5. The expandable shelter of claim 4, wherein: the middle-dividing side plates are respectively provided with a pin shaft in the middle, and the expansion bottom plate is provided with pin holes corresponding to the pin shafts so as to fix the front end plate and the rear end plate on the expansion bottom plate.

6. The expandable shelter of claim 5, wherein: the upper end of the front side plate is hinged with an upper baffle plate, the expanding device comprises an upper baffle plate telescopic rod arranged between the front side plate and the upper baffle plate, and the upper baffle plate telescopic rod comprises a linear displacement output end connected to the middle part of the upper baffle plate.

7. The expandable shelter of claim 5, wherein: the lower end of the front side plate is hinged with a lower pedal, the expansion device comprises a lower pedal traction rope arranged between the front side plate and the lower pedal, and a hook used for fixing the lower pedal traction rope is arranged on the front side plate.

8. The expandable shelter of claim 6, wherein: the expansion top plate telescopic rod, the expansion bottom plate telescopic rod and the upper baffle plate telescopic rod are all hydraulic oil cylinders.

9. The expandable shelter of any one of claims 1 to 8, wherein: the main cabin body includes that the lower extreme is used for supporting in the bearing portion on ground, bottom plate protrusion in bearing portion, the bottom of the main cabin body articulates there are a plurality ofly can turn to along the fore-and-aft direction, also can outwards turn to along left right direction in order to support the backup pad of expansion cabin.

10. The expandable shelter of claim 9, wherein: the main cabin body further comprises a bearing beam column, and the supporting plate is hinged to the bearing beam column at the lower end.

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