CN220226389U - Command shelter - Google Patents

Abstract

The utility model discloses a command shelter which comprises a shelter body and a lamp board, wherein a first storage cavity is formed in the shelter body, the first storage cavity is communicated with the top of the shelter body to form an extension opening, the lamp board is arranged on the shelter body, and the lamp board can be lifted relative to the shelter body to be stored in the first storage cavity or exposed out of the extension opening. The lamp plate is arranged on the cabin body of the command shelter and can be used for displaying indication information, so that on-site personnel can conveniently identify the shelter type and know working contents or notes. The lamp plate rises relative to the cabin body until the lamp plate is exposed out of the extending opening, thereby being beneficial to enlarging the warning range and facilitating the staff at a distance to acquire information.

Description

Command shelter

Technical Field

The utility model relates to the technical field of shelter, in particular to a command shelter.

Background

Tent is a shed that is supported on the ground to shield wind, rain, sunlight and for temporary living. The multipurpose canvas is made, together with the supporting articles, can be detached and transferred at any time. The tent is carried in a mode of parts and assembled after arriving at the site, so that various parts and tools are needed, the names and the using methods of the parts are known, and the tent can be quickly and conveniently put up after the tent is familiar with the structure of the tent. Tents for outdoor sports can be divided into several general categories: advertisement tent, military tent, herringbone top big tent, travel tent, disaster relief tent, inflatable tent, decontamination tent, child game tent, etc., wherein the military tent and disaster relief tent are widely applied to environments such as army command houses, field hospitals, rescue and relief works, etc., and are used as temporary shelter.

When a plurality of shelter are deployed in a disaster site, different shelter have different functions, such as a commander shelter, a medical shelter, an equipment shelter, etc., and on-site personnel sometimes cannot quickly find a shelter to be accessed.

Disclosure of Invention

The technical problems to be solved by the utility model are as follows: a command shelter with information indication function is provided.

In order to solve the technical problems, the utility model adopts the following technical scheme: the utility model provides a command shelter, includes the cabin body and light board, the internal portion in cabin is equipped with first accomodates the chamber, first accomodate the chamber intercommunication the top of the cabin body forms the stretch out the mouth, the light board install in on the cabin body, just the light board for the cabin body liftable accept in first accomodate the chamber or expose in stretch out the mouth.

Further, the device also comprises a cover plate, wherein the cover plate is detachably connected with the cabin body to open and close the extending opening.

Further, the first accommodating cavity is communicated with the first side surface of the cabin body to form a first opening, and a first opening and closing door is rotatably arranged on the cabin body to open and close the first opening.

Further, at least one water outlet is formed in the bottom wall of the first storage cavity.

Further, the lamp plate is mounted at the top end of the support rod, a locking device is arranged in the first storage cavity and used for locking the relative position relationship between the support rod and the cabin body.

Further, the locking device comprises a fastening screw and a hoop, at least one end of the hoop is connected with the inner wall of the first storage cavity through the fastening screw, and the supporting rod is clamped between the hoop and the inner wall of the first storage cavity.

Further, a through hole for the supporting rod to pass through is formed in the bottom wall of the first storage cavity.

Further, a protection sleeve is arranged outside the cabin body, and the top of the protection sleeve is communicated with the through hole.

Further, a second storage cavity communicated with the second side face of the cabin body is further formed in the cabin body, and a second opening and closing door is rotatably arranged on the cabin body to open and close the second storage cavity.

Further, the device also comprises a plurality of roller assemblies, the roller assemblies are mounted at the bottom of the cabin, a storage groove for accommodating the roller assemblies is formed in the side face of the cabin, the roller assemblies can be turned over relative to the cabin, and the roller assemblies are in a hidden state of being stored in the storage groove and a working state of being turned over to the bottom of the cabin to support the cabin.

The utility model has the beneficial effects that: the lamp plate is arranged on the cabin body of the command shelter and can be used for displaying indication information, so that on-site personnel can conveniently identify the shelter type and know working contents or notes. The lamp plate rises relative to the cabin body until the lamp plate is exposed out of the extending opening, thereby being beneficial to enlarging the warning range and facilitating the staff at a distance to acquire information.

Drawings

Fig. 1 is a schematic structural diagram of a command shelter according to a first embodiment of the present utility model (a first door is opened);

fig. 2 is a schematic structural diagram of a command shelter according to a first embodiment of the present utility model (a first door is opened);

FIG. 3 is an enlarged detail view of portion A of FIG. 2;

fig. 4 is a schematic structural diagram of a command shelter according to the first embodiment of the present utility model;

FIG. 5 is an enlarged detail view of portion B of FIG. 4;

fig. 6 is a schematic structural diagram of a command shelter according to the first embodiment of the present utility model (a hidden part of the exoskeleton);

fig. 7 is a schematic diagram of a command shelter according to a first embodiment of the present utility model (a second door is opened);

fig. 8 is a schematic structural diagram of a command shelter according to a first embodiment of the present utility model (a third door is opened);

fig. 9 is a schematic diagram of a command shelter according to a first embodiment of the present utility model (with a fourth door opened).

Description of the reference numerals:

1. a cabin body; 11. a first receiving chamber; 111. a first opening/closing door; 111a, a first right door; 111b, a second right door; 112. an outlet; 113. a water outlet; 114. a through hole; 12. a protective sleeve; 13. a second receiving chamber; 131. a second opening/closing door; 131a, a first front door; 131b, a second front door; 131c, a third front door;

14. a third receiving chamber; 141. a third opening/closing door; 141a, a first left door; 141b, a second left door; 15. a fourth receiving chamber; 151. a fourth switching gate; 151a, first back door; 151b, a second back door; 151c, third back door; 16. a storage groove;

2. a lamp plate; 21. a support rod;

31. a fastening screw; 32. a hoop;

4. a roller assembly; 41. universal castor; 42. a caster mounting block; 43. a locking member;

5. a self-loading/unloading section; 51. a lifting support leg mechanism; 52. an extension assembly.

Detailed Description

In order to describe the technical contents, the achieved objects and effects of the present utility model in detail, the following description will be made with reference to the embodiments in conjunction with the accompanying drawings.

Referring to fig. 1 to 9, a command shelter includes a shelter body 1 and a light board 2, a first accommodating cavity 11 is provided in the shelter body 1, the first accommodating cavity 11 is communicated with the top of the shelter body 1 to form an extension port 112, the light board 2 is mounted on the shelter body 1, and the light board 2 is liftable relative to the shelter body 1 to be accommodated in the first accommodating cavity 11 or be exposed out of the extension port 112.

From the above description, the beneficial effects of the utility model are as follows: the lamp plate 2 is arranged on the cabin body 1 of the command shelter, and the lamp plate 2 can be used for displaying indication information, so that field personnel can conveniently identify the shelter type, and work content or notice can be known. The lamp plate 2 rises relative to the cabin body 1 until being exposed out of the extending opening 112, which is beneficial to enlarging the warning range and facilitating the staff at a distance to acquire information.

Further, a cover plate is detachably connected with the cabin body 1 to open and close the extending opening 112.

As can be seen from the above description, closing the outlet 112 by the cover plate can effectively prevent the lamp plate 2 from being damaged due to the external foreign matters entering the first housing cavity 11.

Further, the first accommodating cavity 11 is communicated with the first side surface of the cabin body 1 to form a first opening, and a first opening and closing door 111 is rotatably installed on the cabin body 1 to open and close the first opening.

As can be seen from the above description, the lamp 2 can display information toward the side of the cabin 1 by rotating the first opening/closing door 111 to expose the first opening; the first opening is arranged, so that the lamp plate 2 in the first storage cavity 11 can be maintained conveniently at a later stage.

Further, at least one drain opening 113 is formed on the bottom wall of the first accommodating cavity 11.

As can be seen from the above description, the water outlet 113 is formed in the bottom wall of the first housing cavity 11, so as to prevent the liquid from being retained in the first housing cavity 11, and effectively reduce the risk of short circuit or electric leakage of the light board 2.

Further, the lamp plate comprises a supporting rod 21, the lamp plate 2 is arranged at the top end of the supporting rod 21, and a locking device is arranged in the first accommodating cavity 11 and used for locking the relative position relationship between the supporting rod 21 and the cabin 1.

As is apparent from the above description, the support bar 21 serves to support the light board 2 so that the light board 2 can be raised with respect to the cabin 1.

Further, the locking device comprises a fastening screw 31 and a hoop 32, at least one end of the hoop 32 is connected to the inner wall of the first accommodating cavity 11 through the fastening screw 31, and the supporting rod 21 is clamped between the hoop 32 and the inner wall of the first accommodating cavity 11.

As can be seen from the above description, the locking device has a simple structure and is convenient to manufacture; when the position of the lamp plate 2 needs to be adjusted, the anchor ear 32 can be loosened by screwing the fixing screw 31, so that the support rod 21 can slide relative to the cabin body 1.

Further, a bottom wall of the first accommodating cavity 11 is provided with a through hole 114 through which the support rod 21 passes.

As can be seen from the above description, the through holes 114 enable the partial areas of the support rods 21 to extend out of the first accommodating cavity 11, so that the longer support rods 21 can slide down smoothly to accommodate the light board 2 in the first accommodating cavity 11.

Further, a protection sleeve 12 is installed outside the cabin body 1, the protection sleeve 12 is connected to the top of the protection sleeve 12, and the through hole 114 is formed.

As can be seen from the above description, the protection sleeve 12 can accommodate the portion of the support rod 21 exposed to the first accommodating cavity 11, so as to prevent the support rod 21 from being deformed due to collision of foreign objects.

Further, a second storage cavity 13 is further provided in the cabin 1 and is communicated with the second side surface of the cabin 1, and a second opening and closing door 131 is rotatably installed on the cabin 1 to open and close the second storage cavity 13.

As can be seen from the above description, the cabin body 1 is provided with a plurality of storage cavities respectively communicated with one side surface, so that various tools or devices can be stored in different storage cavities in a classified manner, and the convenience and the rapidness in taking are realized.

Further, the device also comprises a plurality of roller assemblies 4, the roller assemblies 4 are mounted at the bottom of the cabin body 1, a containing groove 16 for containing the roller assemblies 4 is formed in the side face of the cabin body 1, the roller assemblies 4 can be turned over relative to the cabin body 1, and the roller assemblies 4 are in a hidden state contained in the containing groove 16 and are turned over to the bottom of the cabin body 1 to support the working state of the cabin body 1.

As can be seen from the above description, the roller assemblies 4 are turned to the bottom of the cabin 1, so that a worker can conveniently move the cabin 1, and the cabin 1 can be rapidly deployed to a required position; after the deployment position is determined, the roller assembly 4 is turned over to the storage groove 16, so that the cabin 1 can be prevented from moving accidentally, and damage caused by collision of the roller assembly 4 and foreign objects is avoided.

Referring to fig. 1 to 9, a first embodiment of the present utility model is as follows: the utility model provides a command shelter, includes the cabin body 1 and light tablet 2, and the cabin body 1 is inside to be equipped with first accomodate chamber 11, and the top that first accomodate chamber 11 intercommunication cabin body 1 forms and stretches out the mouth 112, and light tablet 2 installs on the cabin body 1, and light tablet 2 can go up and down for the cabin body 1 to accept in first accomodate chamber 11 or expose in stretching out the mouth 112. Specifically, the light plate 2 is rectangular, and the extending opening 112 is rectangular corresponding to the light plate 2. In order to enhance the structural strength of the cabin body 1 without affecting the internal accommodating space of the cabin body 1, in this embodiment, an outer skeleton is provided on the outer wall surface of the cabin body 1. The cabin body 1 comprises an upper cabin and a lower cabin which are connected, the projection of the upper cabin and the projection of the lower cabin are rectangular in the vertical direction, and the projection area of the upper cabin is larger than that of the lower cabin. The first receiving chamber 11 is provided in the upper compartment, and the bottom wall of the first receiving chamber 11 is located in a region of the upper compartment protruding from the side of the lower compartment.

As a preferred embodiment, the command shelter further comprises a cover plate (not shown in the figures) removably connected to the nacelle body 1 to open and close the outlet 112. Alternatively, the cover plate and the cabin 1 may be provided as an interference fit, hinged or snap-fit connection.

Preferably, as shown in fig. 1 and 2, the first accommodating cavity 11 is communicated with the first side surface of the cabin body 1 to form a first opening, and the cabin body 1 is rotatably provided with a first opening and closing door 111 to open and close the first opening. Specifically, the horizontal sections of the upper cabin and the lower cabin of the cabin body 1 are rectangular, and the first side surface is the right side surface of the cabin body 1. The first opening and closing door 111 includes a first right opening door 111a and a second right opening door 111b, and one side edges of the first right opening door 111a and the second right opening door 111b are hinged to the cabin 1, respectively. The first right door 111a and the second right door 111b are symmetrically disposed.

Preferably, as shown in fig. 1 and 2, at least one drain opening 113 is formed in the bottom wall of the first housing chamber 11. Specifically, the bottom wall of the first receiving chamber 11 is formed by a plate member mounted on the upper compartment, and a plurality of drain openings 113 are formed in an array on the plate member. In this embodiment, the bottom wall of the first accommodation chamber is disposed horizontally, and in other embodiments, the bottom wall of the first accommodation chamber 11 may be inclined toward the direction in which the drain opening 113 is formed.

Preferably, as shown in fig. 1 to 3, the command shelter further includes a support bar 21, the light board 2 is mounted on the top end of the support bar 21, and a locking device is disposed in the first accommodating cavity 11, and the locking device is used for locking the relative positional relationship between the support bar 21 and the shelter body 1. Specifically, the support bar 21 is vertically arranged; the support bar 21 has a cylindrical shape so as to rotate the support bar 21 to adjust the orientation angle of the light sign 2. The lamp plate 2 is in threaded fit connection with the support rod 21. The locking device comprises a fastening screw 31 and a hoop 32, a convex installation part is arranged on the inner wall of the second storage cavity 13, at least one end of the hoop 32 is connected to the installation part in the first storage cavity 11 through the fastening screw 31, and the supporting rod 21 is clamped between the hoop 32 and the installation part. When the height position of the lamp plate 2 needs to be adjusted, the anchor ear 32 can be loosened by screwing the fastening screw 31, so that the support rod 21 can vertically slide relative to the cabin body 1 or axially rotate around the anchor ear. In other embodiments, the support bar 21 may be configured to be lifted and lowered by a motor.

Preferably, as shown in fig. 1 and 2, the bottom wall of the first housing chamber 11 is provided with a through hole 114 through which the support rod 21 passes. The cabin body 1 is externally provided with a protection sleeve 12, the protection sleeve 12 and the top of the protection sleeve 12 is communicated with a through hole 114. Specifically, the through hole 114 is circular in shape corresponding to the support rod 21, the protection sleeve 12 is cylindrical in shape corresponding to the support rod 21, and the bottom wall of the protection sleeve 12 is provided with a drain port 113. Optionally, the protective sleeve 12 is welded, snap-fitted, screwed, rivet-fitted or integrally formed with the bottom wall of the first housing chamber 11.

Preferably, as shown in fig. 6, the command shelter further comprises a self-loading and unloading part 5, the self-loading and unloading part 5 comprises a plurality of lifting supporting leg mechanisms 51, and the lifting supporting leg mechanisms 51 are installed on the side surface of the shelter 1 along the peripheral side of the shelter 1 at intervals and used for supporting the shelter 1; the plurality of lifting support leg mechanisms 51 can be extended to suspend the bottom of the cabin 1. Specifically, the four corners of the cabin 1 are respectively provided with a lifting support leg mechanism 51. The lifting support leg mechanism 51 comprises a linear cylinder and a telescopic rod in driving connection with the linear cylinder, and a foot pad is hinged to the bottom end of the telescopic rod. The commanding shelter can suspend the bottom of the shelter body 1 through the support of the lifting supporting leg mechanisms 51, thereby realizing the rapid loading and unloading of the shelter. Further, in order to facilitate the lifting support leg mechanism 51 to be unfolded or folded with respect to the side surface of the cabin 1, the self-loading and unloading portion 5 further includes a plurality of extension assemblies 52, and each extension assembly is correspondingly provided with two extension assemblies 52. The stretching assembly 52 comprises a connecting rod and a rotary driving mechanism, wherein two ends of the connecting rod are respectively hinged with the cabin body 1 and the lifting supporting leg mechanism 51, and the rotary driving mechanism is used for driving the connecting rod to rotate relative to the cabin body 1, so that the lifting supporting leg mechanism 51 is driven to be unfolded or folded relative to the side surface of the cabin body 1 through the connecting rod. The outer frame is provided with a receiving groove for receiving the extension assembly 52.

Preferably, as shown in fig. 7, a second storage cavity 13 communicated with the second side surface of the cabin 1 is further provided in the cabin 1, and a second opening and closing door 131 is rotatably installed on the cabin 1 to open and close the second storage cavity 13. Specifically, the second side is a front side of the cabin 1, and the second storage chamber 13 is used for storing objects such as a folding table and a storage cabinet loaded with a folding tent, and in the unfolded state, the folding tent is unfolded at the front side of the cabin 1. The upper compartment and the lower compartment each have a partial region of the first receiving chamber 11. The first opening and closing door 111 includes a first front opening door 131a, a second front opening door 131b, and a third front opening door 131c, and one side edges of the first front opening door 131a, the second front opening door 131b, and the third front opening door 131c are hinged to the cabin 1, respectively. The first front door 131a and the second front door 131b are symmetrically arranged, the first front door 131a and the second front door 131b are used for opening and closing an opening of the first storage cavity 11 in the upper cabin, and the third front door 131c is used for opening and closing an opening of the first storage cavity 11 in the lower cabin. The first front door 131a and the second front door 131b are respectively provided with a whiteboard portion, the whiteboard portions are arranged on inner side surfaces of the first front door 131a and the second front door 131b in a closed state, it is easy to understand that when the first front door 131a and the second front door 131b are opened, the whiteboard portions on the first front door 131a and the second front door 131b are positioned on the inner wall of the unfolded folding tent, and a user can effectively arrange operation tasks in the shelter through the whiteboard portions.

Preferably, as shown in fig. 8, a third storage cavity 14 communicated with a third side surface of the cabin 1 is further provided in the cabin 1, and a third opening and closing door 141 is rotatably installed on the cabin 1 to open and close the third storage cavity 14. Specifically, the third side is a left side of the cabin body 1, the third storage cavity 14 is disposed in the upper cabin, the third opening and closing door 141 includes a first left opening door 141a and a second left opening door 141b, the first left opening door 141a and the second left opening door 141b are symmetrically disposed, and sides, far from each other, of the first left opening door 141a and the second left opening door 141b are respectively hinged with the cabin body 1. In the present embodiment, the third housing chamber 14 is used for mounting electric equipment (not shown in the drawings).

Preferably, as shown in fig. 9, a fourth accommodating cavity 15 communicated with a fourth side surface of the cabin 1 is further provided in the cabin 1, and a fourth opening and closing door 151 is rotatably installed on the cabin 1 to open and close the fourth accommodating cavity 15. Specifically, the upper compartment and the lower compartment have a partial region of the fourth receiving chamber 15, respectively. The fourth opening and closing door 151 includes a first back opening door 151a, a second back opening door 151b, and a third back opening door 151c, and one side edges of the first back opening door 151a, the second back opening door 151b, and the third back opening door 151c are hinged to the cabin 1, respectively. The first back door 151a and the second back door 151b are symmetrically arranged, the first back door 151a and the second back door 151b are used for opening and closing an opening of the fourth storage cavity 15 in the upper cabin, and the third back door 151c is used for opening and closing an opening of the fourth storage cavity 15 in the lower cabin. A plurality of partitions are arranged in the fourth accommodating cavity 15 at intervals so as to support tools or equipment.

Preferably, as shown in fig. 4 and 5, in order to make the command shelter stably placed on the ground when the movement is not required, and quickly moved when the movement is required, the command shelter further comprises a plurality of roller assemblies 4, the roller assemblies 4 are mounted at the bottom of the shelter body 1, a storage groove 16 for storing the roller assemblies 4 is formed in the side surface of the shelter body 1, the roller assemblies 4 are reversible relative to the shelter body 1, and the roller assemblies 4 have a hidden state stored in the storage groove 16 and an operating state turned to the bottom of the shelter body 1 to support the shelter body 1. Specifically, two sides of the bottom of the cabin body 1 are respectively provided with a rotating shaft, and the accommodating groove 16 is formed by inwards recessing the bottoms of the two side surfaces of the cabin body 1. Two roller assemblies 4 are respectively sleeved on each rotating shaft, and four roller assemblies 4 are respectively arranged corresponding to four corners of the cabin body 1. The roller assembly 4 comprises a universal castor 41, a castor mounting block 42 and a locking piece 43, wherein the universal castor 41 is rotatably mounted on the castor mounting block 42, the castor mounting block 42 is rotatably sleeved on a rotating shaft, the locking piece 43 is fixedly arranged at the bottom of the cabin body 1 or on the rotating shaft, and the locking piece 43 is used for locking the relative position relationship between the castor mounting block 42 and the rotating shaft. The caster mounting block 42 is provided with a plurality of locking holes, the locking piece 43 includes a locking main body, an elastic reset piece and a locking pin, the locking main body is fixedly mounted on the rotating shaft, the locking pin is movably penetrated on the locking main body, the position of the locking pin can correspond to the position of the locking hole, the locking pin has a locking state penetrated in the locking hole and an unlocking state not penetrated in the locking hole, the elastic reset piece is sleeved on the locking pin, two ends of the elastic reset piece are respectively abutted with the locking main body and the locking pin, and the elastic reset piece is used for applying elastic force to the locking pin so that the locking pin can be maintained in the locking state under the condition of not being influenced by external force.

In summary, the lamp plate is arranged on the cabin body of the command shelter provided by the utility model and can be used for displaying the indication information, so that the field personnel can conveniently identify the shelter type and know the working content or notes. The lamp plate rises relative to the cabin body until the lamp plate is exposed out of the extending opening, thereby being beneficial to enlarging the warning range and facilitating the staff at a distance to acquire information. The drain outlet is arranged on the bottom wall of the first storage cavity, so that liquid can be prevented from being detained in the first storage cavity, and the risk of short circuit or electric leakage of the lamp panel is effectively reduced. Be equipped with a plurality of accomodates the chamber that communicates a side respectively on the cabin body, can accept various instrument or equipment classification in different accomodates the chamber, conveniently take fast. The roller assemblies are turned to the bottom of the cabin body, so that a worker can conveniently move the cabin body, and the cabin body can be rapidly deployed to a required position; after the deployment position is determined, the roller assembly is turned over to the storage groove, so that the cabin body can be prevented from moving accidentally, and damage caused by collision of the roller assembly and foreign objects is avoided.

The foregoing description is only illustrative of the present utility model and is not intended to limit the scope of the utility model, and all equivalent changes made by the specification and drawings of the present utility model, or direct or indirect application in the relevant art, are included in the scope of the present utility model.

Claims (10)

1. A command shelter, characterized in that: including the cabin body and lamp tablet, the internal portion in cabin is equipped with first chamber of accomodating, first chamber intercommunication of accomodating the top of the cabin body forms the stretch out the mouth, the lamp tablet install in on the cabin body, just the lamp tablet for the cabin body liftable accept in first chamber of accomodating or expose in stretch out the mouth.

2. The command shelter of claim 1, in which: the cover plate is detachably connected with the cabin body to open and close the extending opening.

3. The command shelter of claim 1, in which: the first storage cavity is communicated with a first side surface of the cabin body to form a first opening, and a first opening and closing door is rotatably arranged on the cabin body to open and close the first opening.

4. The command shelter of claim 1, in which: at least one water outlet is formed in the bottom wall of the first storage cavity.

5. The command shelter of claim 1, in which: the lamp plate is arranged at the top end of the supporting rod, a locking device is arranged in the first storage cavity and used for locking the relative position relationship between the supporting rod and the cabin body.

6. The command shelter of claim 5, in which: the locking device comprises a fastening screw and a hoop, at least one end of the hoop is connected with the inner wall of the first storage cavity through the fastening screw, and the supporting rod is clamped between the hoop and the inner wall of the first storage cavity.

7. The command shelter of claim 5, in which: the bottom wall of the first storage cavity is provided with a through hole for the supporting rod to pass through.

8. The command shelter of claim 7, in which: the cabin body is externally provided with a protection sleeve, and the top of the protection sleeve is communicated with the through hole.

9. The command shelter of claim 1, in which: the inside second of still being equipped with of cabin intercommunication the second side of cabin accomodates the chamber, install the second door that opens and shuts on the cabin rotation in order to open and close the chamber is accomodate to the second.

10. The command shelter of claim 1, in which: the ship cabin is characterized by further comprising a plurality of roller assemblies, the roller assemblies are mounted at the bottom of the cabin body, a containing groove for containing the roller assemblies is formed in the side face of the cabin body, the roller assemblies can be turned over relative to the cabin body, and the roller assemblies are in a hidden state contained in the containing groove and a working state turned over to the bottom of the cabin body to support the cabin body.