阅读说明：本技术 采光窗封堵装置及地下建筑 (Lighting window plugging device and underground building ) 是由 康路明 王敬仁 杨爽 马祎 冀珩 张彦闰 于 2021-01-13 设计创作，主要内容包括：本申请公开了一种采光窗封堵装置及地下建筑,采光窗封堵装置包括：封堵板、盖板及驱动机构；封堵板用于设置在采光窗的外侧且封堵板能够在封堵位置和开启位置之间上下移动,在封堵位置,封堵板封堵采光窗,在开启位置,封堵板位于采光窗的上方；驱动机构设置为从采光窗的内侧操作来驱动封堵板从封堵位置向上移动至开启位置；盖板设置为能相对于采光窗转动；在封堵板从开启位置向下移动至封堵位置的过程中,盖板从收起状态向外侧翻转至平放状态,在封堵板从封堵位置向上移动至开启位置的过程中,封堵板推动盖板从平放状态翻转至收起状态。本申请提供的技术方案,可以安全快速地实现采光窗的封堵和开启。(The application discloses lighting window plugging device and underground building, lighting window plugging device includes: the plugging plate, the cover plate and the driving mechanism; the plugging plate is arranged on the outer side of the lighting window and can move up and down between a plugging position and an opening position, the plugging plate plugs the lighting window at the plugging position, and the plugging plate is positioned above the lighting window at the opening position; the driving mechanism is arranged to operate from the inner side of the lighting window to drive the plugging plate to move upwards from the plugging position to the opening position; the cover plate is arranged to rotate relative to the lighting window; the cover plate is turned to a flat state from a folded state to the outer side in the process that the blocking plate moves downwards from the opening position to the blocking position, and the blocking plate pushes the cover plate to be turned to the folded state from the flat state in the process that the blocking plate moves upwards from the blocking position to the opening position. The technical scheme that this application provided can realize safely fast that the shutoff of daylighting window is with opening.)

1. A lighting window plugging device, characterized in that the lighting window plugging device comprises: a plugging plate (1), a cover plate (2) and a driving mechanism (3); wherein the content of the first and second substances,

the blocking plate (1) is arranged on the outer side of the lighting window (4) and the blocking plate (1) can move up and down between a blocking position and an opening position, wherein in the blocking position, the blocking plate (1) blocks the lighting window (4), and in the opening position, the blocking plate (1) is positioned above the lighting window (4);

the driving mechanism (3) is arranged to be operated from the inside of the daylight window (4) to drive the plugging plate (1) to move upwards from the plugging position to the open position;

the cover plate (2) is arranged to be capable of rotating relative to the lighting window (4); in the process that the blocking plate (1) moves downwards from the opening position to the blocking position, the cover plate (2) is turned to a flat state from the outside in the retracted state on the inner side of the blocking plate (1), and in the process that the blocking plate (1) moves upwards from the blocking position to the opening position, the blocking plate (1) pushes the cover plate (2) to be turned to the retracted state from the flat state towards the inner side of the blocking plate (1).

2. A daylight window plugging device according to claim 1, wherein a sliding link (5) is arranged between the cover plate (2) and the top of the plugging plate (1) transversely across the cover plate (2) and the plugging plate (1), wherein the top end of the blocking plate (1) is provided with a first sliding chute (101) which is bent outwards and used for the sliding of the sliding connecting rod (5), the cover plate (2) is provided with a second sliding chute (201) for the sliding connecting rod (5) to slide, in the process that the plugging plate (1) moves up and down, the sliding connecting rod (5) slides in the first sliding groove (101) and the second sliding groove (201), and the sliding connecting rod (5) limits the movement of the cover plate (2) relative to the plugging plate (1) through the first sliding groove (101) and the second sliding groove (201).

3. A daylight window plugging device according to claim 1, wherein the top end of said plugging plate (1) is formed with at least two protrusions (102);

the cover plate (2) faces one side of the plugging plate (1) and is provided with a groove extending in the height direction, the convex part (102) at the top end of the plugging plate (1) is located in the groove of the cover plate (2) and the convex part (102) slides in the groove when the cover plate (2) moves relative to the plugging plate.

4. The daylight window blocking device according to claim 1, wherein the top end inside portion of the blocking plate (1) is formed in an arc shape; and/or the bottom end of the cover plate (2) facing to one side of the plugging plate (1) is formed into an arc shape.

5. A lighting window plugging device according to claim 1, further comprising guide members (6) provided at both sides of said plugging plate (1), said guide members (6) being used to guide the up-and-down movement of said plugging plate (1).

6. A daylight window plugging device according to any one of claims 1-5, wherein said driving mechanism (3) comprises an operating member, a bevel gear (302), a first gear (303), a second gear (304), a transmission chain (305) and a transmission tooth (104); wherein the content of the first and second substances,

the transmission teeth (104) are arranged on the inner side of the plugging plate (1) and are distributed along the height direction;

the transmission chain (305) is meshed with the transmission teeth (104);

the bevel gear (302) is meshed with the first gear (303) to drive the first gear (303) to rotate through rotation of the bevel gear (302), so that the transmission chain (305) is driven to run around the first gear (303) and the second gear (304) through rotation of the first gear (303);

the operating member is arranged on the inner side of the lighting window (4) and is connected with the bevel gear (302) so as to rotate the bevel gear (302) through the operating member.

7. A lighting window blocking device according to claim 6, characterized in that the lighting window blocking device further comprises a locking pin (8) for locking the operating member on a building body to prevent rotation of the operating member.

8. The daylight window blocking device according to claim 6, characterized in that a sealing part (103) is arranged on the blocking plate (1) above the driving gear (104), and the sealing part (103) is used for sealing an avoiding groove (10) arranged on the outer surface of the building body for the driving gear (104) to pass through when the blocking plate (1) is in the blocking position.

9. A daylight window plugging device according to any one of claims 1-5, wherein said plugging plate (1) falls by self-weight from said open position to said plugging position;

lighting window plugging device still includes to set up removably spacing part on the building body of lighting window (4) top, spacing part is followed demolish the back on the building body, shutoff board (1) through the dead weight whereabouts extremely the shutoff position, spacing part is fixed can prevent behind the building body shutoff board (1) is followed open the position whereabouts extremely the shutoff position.

10. An underground construction, characterized in that it comprises a construction body having a lighting window (4) and a lighting window plugging device according to any one of claims 1-9, wherein the outside of the lighting window (4) of the construction body is formed with a patio (7) below the ground;

the blocking plate (1) of the lighting window blocking device is arranged on the outer side of the lighting window (4) in a vertically movable mode, and the cover plate (2) is rotatably arranged on the building main body;

when the plugging plate (1) moves downwards to the plugging position, the cover plate (2) is overturned outwards from the inner side of the plugging plate (1) relative to the lighting window (4) to a flat state covering the patio (7); when the blocking plate (1) is driven by the driving mechanism (3) to move upwards to the opening position, the cover plate (2) is turned to the retracting state from the flat state to the inner side of the blocking plate (1).

Technical Field

The application relates to the technical field of buildings, in particular to a lighting window plugging device and an underground building comprising the same.

Background

The underground building is a common building form, can meet daily use requirements of the building and can be used as a civil air defense project (or a civil air defense basement) to effectively shelter personnel and materials. It is well established in relevant regulations that the opening of an underground building structure should be provided with various corresponding sealing facilities and equipment, wherein the lighting window can be sealed by a sealing plate and sealed by adopting a half-filling or full-filling mode.

The lighting window is plugged by adopting a plugging plate and filling soil, which is a simple method, but the plugging effect of the lighting window cannot be effectively guaranteed, and the plugging method has certain hysteresis. The design of the light-collecting window is far lower than the design of a person entrance and exit part, so that the light-collecting window becomes a short plate in the whole underground building.

Therefore, how to safely, normatively and standardize the plugging design of the underground building lighting window becomes a problem which needs to be solved urgently.

Disclosure of Invention

In view of this, the present application provides a lighting window plugging device and an underground building including the same, so as to be able to safely and quickly plug a lighting window.

According to the technical scheme of this application, a lighting window plugging device is provided, lighting window plugging device includes: the plugging plate, the cover plate and the driving mechanism; the sealing plate is arranged on the outer side of the lighting window and can move up and down between a sealing position and an opening position, wherein the sealing plate seals the lighting window at the sealing position, and the sealing plate is positioned above the lighting window at the opening position; the driving mechanism is arranged to be operated from the inner side of the lighting window to drive the blocking plate to move upwards from the blocking position to the opening position; the cover plate is arranged to be capable of rotating relative to the lighting window; in the process that the blocking plate moves downwards from the opening position to the blocking position, the cover plate is turned outwards from a retracted state located on the inner side of the blocking plate to a flat state, and in the process that the blocking plate moves upwards from the blocking position to the opening position, the blocking plate pushes the cover plate to be turned inwards from the flat state to the retracted state.

Preferably, be provided with the traversing between the apron with the top of shutoff board the apron with the sliding connection rod of shutoff board, wherein, the top of shutoff board is provided with the confession of outside lateral bend the gliding first spout of sliding connection rod, be provided with the confession on the apron the gliding second spout of sliding connection rod, the shutoff board reciprocates the in-process, the sliding connection rod is in slide in first spout and the second spout, just the sliding connection rod passes through first spout with the second spout is right the apron is relative the removal of shutoff board is spacing.

Preferably, the top end of the blocking plate is formed with at least two protrusions;

the apron orientation one side of shutoff board is formed with the recess that extends along the direction of height, the shutoff board top the convex part is located the apron in the recess and when the apron is relative the shutoff board removes the convex part is in slide in the recess.

Preferably, the inner part of the top end of the blocking plate is formed into an arc shape; and/or the presence of a gas in the gas,

the bottom end of the cover plate facing one side of the blocking plate is formed into an arc shape.

Preferably, the lighting window plugging device further comprises guide members arranged on two sides of the plugging plate, and the guide members are used for guiding the up-and-down movement of the plugging plate.

Preferably, the driving mechanism comprises an operating member, a bevel gear, a first gear, a second gear, a transmission chain and a transmission tooth; wherein the content of the first and second substances,

the transmission teeth are arranged on the inner side of the plugging plate and are distributed along the height direction;

the transmission chain is meshed with the transmission teeth;

the bevel gear is meshed with the first gear so as to drive the first gear to rotate through the rotation of the bevel gear, so that the transmission chain is driven to run around the first gear and the second gear through the rotation of the first gear;

the operating member is arranged on the inner side of the lighting window and connected with the bevel gear so as to rotate the bevel gear through the operating member.

Preferably, the lighting window blocking device further comprises a locking pin for locking the operating member on the building body to prevent rotation of the operating member.

Preferably, the shutoff board be located the position of driving tooth top is provided with sealing component, sealing component is used for the shutoff board is in what set up on the surface of sealed building body was used for when shutoff position dodge the recess that the driving tooth passed through.

Preferably, the closure panel falls by its own weight from the open position to the closure position;

the lighting window plugging device further comprises a limiting part which is detachably arranged on the building body above the lighting window, the limiting part is detached from the building body, the plugging plate falls to the plugging position through self weight, and the limiting part is fixed on the building body and can prevent the plugging plate from falling to the plugging position from the opening position.

According to another aspect of the present application, there is also provided an underground building including a building body having a lighting window, and the lighting window blocking apparatus as described above, wherein a patio below the ground is formed outside the lighting window of the building body;

the blocking plate of the lighting window blocking device is arranged on the outer side of the lighting window in a vertically movable mode, and the cover plate is rotatably arranged on the building main body;

when the plugging plate moves downwards to the plugging position, the cover plate is turned outwards from the inner side of the plugging plate relative to the lighting window to a flat state covering the patio; when the plugging plate is driven by the driving mechanism to move upwards to the opening position, the cover plate is turned to the retracted state from the flat state to the inner side of the plugging plate.

The technical scheme that this application provided can realize the shutoff of daylighting window safely and open for the daylighting window is in at ordinary times and satisfies daylighting ventilation demand under the open condition, and can realize the shutoff function fast through the inboard operation at the daylighting window in wartime.

Additional features and advantages of the present application will be described in detail in the detailed description which follows.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate an embodiment of the invention and, together with the description, serve to explain the invention. In the drawings:

fig. 1 is a sectional view of a lighting window blocking device installed on an underground building according to an embodiment of the present application (a blocking plate of the lighting window blocking device is in an open position);

FIG. 2 is an enlarged view of FIG. 1 at A;

FIG. 3 is an enlarged view of a portion of FIG. 2;

fig. 4 is a partial structural view of fig. 1 as seen from the outside of the lighting window;

fig. 5 is a sectional structure diagram of the light collecting window plugging device when the plugging plate is in the plugging position;

FIG. 6 is an enlarged view of FIG. 5 at B;

FIG. 7 is an enlarged view of a portion of FIG. 6;

fig. 8 is a partial structural view of fig. 5 viewed from the outside of the lighting window;

fig. 9 is a schematic structural view of the driving mechanism.

Detailed Description

The technical solutions of the present application will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.

The application provides a lighting window plugging device, as shown in fig. 1-8, lighting window plugging device includes: the plugging device comprises a plugging plate 1, a cover plate 2 and a driving mechanism 3; wherein the blocking plate 1 is arranged outside the lighting window 4 and the blocking plate 1 can move up and down between a blocking position and an opening position, wherein in the opening position, the blocking plate 1 is located above the lighting window 4 (as shown in fig. 1-4), and in the blocking position, the blocking plate 1 blocks the lighting window 4 (as shown in fig. 5-8); the driving mechanism 3 is arranged to be operable from the inside of the lighting window 4 to drive the blocking plate 1 to move upward from the blocking position to the open position;

the cover plate 2 is configured to be rotatable with respect to the lighting window 4, and in a process that the blocking plate 1 moves downward from the open position to the blocking position, the cover plate 2 can be turned over outward from a stowed state located inside the blocking plate 1 to a flat state (a state shown in fig. 5 to 8), and in a process that the blocking plate 1 moves upward from the blocking position to the open position, the blocking plate 1 pushes the cover plate 2 to turn over the stowed state from the flat state toward the inside of the blocking plate 1 (a state shown in fig. 1 to 4).

The application provides a lighting window plugging device can realize the shutoff of lighting window and open for lighting window is in at ordinary times and satisfies daylighting ventilation demand under the open condition, and can realize the shutoff function fast through the inboard operation at lighting window during the war.

The technical solution provided by the present application is described in detail below according to a specific embodiment and with reference to the accompanying drawings.

Fig. 1 to 4 show the state in which the occlusion plate 1 of the present embodiment is in the open position, and fig. 5 to 8 show the state in which the occlusion plate 1 is in the occlusion position.

In this embodiment, in order to enable the blocking plate 1 to drive the cover plate 2 to turn over when moving back and forth between the opening position and the blocking position, as shown in fig. 1 to 4, a sliding connecting rod 5 transversely passing through the cover plate 2 and the blocking plate 1 is arranged between the cover plate 2 and the top of the blocking plate 1, wherein a first sliding groove 101 bent outwards and used for sliding the sliding connecting rod 5 is arranged at the top end of the blocking plate 1, a second sliding groove 201 used for sliding the sliding connecting rod 5 is arranged on the cover plate 2, in the process that the blocking plate 1 moves up and down, the sliding connecting rod 5 slides in the first sliding groove 101 and the second sliding groove 201, and the sliding connecting rod 5 limits the movement of the cover plate 2 relative to the blocking plate 1 through the first sliding groove 101 and the second sliding groove 201.

Specifically, in the downward movement process of the plugging plate 1, the sliding connecting rod 5 drives the cover plate 2 to turn outwards, and in the movement process of the cover plate 2 relative to the plugging plate 1, the sliding connecting rod 5 slides outwards along the curved first sliding groove 101 and slides in the second sliding groove 201; in the process that the blocking plate 1 moves upwards, the blocking plate 1 slowly jacks up the cover plate 2 upwards to enable the cover plate 2 to turn over towards the retracted state, and in the process that the cover plate 2 moves relative to the blocking plate 1, the sliding connecting rod 5 slides inwards along the first sliding groove 101 and slides in the second sliding groove 201.

Those skilled in the art can understand that the turning of the cover plate 2 is not limited to the blocking plate 1 driving the cover plate 2 to turn through the sliding connecting rod 5, but may also be set in the process of moving down the blocking plate 1, driving the cover plate 2 to turn through other mechanisms, or the cover plate 2 turning outwards through gravity.

In the present embodiment, as shown in fig. 3 and 7, the inner portion of the distal end of the blocking plate 1 is preferably formed in an arc shape, and when the cover plate 2 is turned from the stowed state to the flat state, the cover plate 2 may be turned outward along the arc shape on the inner side of the distal end of the blocking plate 1.

Preferably, a bottom end of the cover plate 2 facing the blocking plate 1 is formed in an arc shape so that the cover plate 2 can be smoothly turned from a flat state to a stowed state. The rotating shaft 202 for the cover plate 2 to rotate around is arranged at the bottom end of the cover plate 2, and the rotating shaft 202 can be connected to a building body provided with the lighting window plugging device.

In the present embodiment, in order to enable the cover plate 2 to stably slide with respect to the blocking plate 1, as shown in fig. 8, at least two convex portions 102 are formed at the top end of the blocking plate 1, a groove extending in the height direction of the cover plate 2 is formed at one side of the cover plate 2 facing the blocking plate 1, and the convex portions 102 at the top end of the blocking plate 1 are located in the groove of the cover plate 2 and slide in the groove when the cover plate 2 moves with respect to the blocking plate 1.

Specifically, the cover plate 2 includes a main plate body 203 and a plurality of bar-shaped members, such as section steel 204, disposed on a first side of the main plate body 203 and extending along a height direction of the cover plate 2, where the section steel 204 may be [ section steel ] or other types of section steel capable of reinforcing the main plate body 203. The cover plate 2 is formed with a groove on the side of the steel section 204, and the convex part 102 on the top end of the plugging plate 1 is located in the groove of the cover plate 2.

The lighting window plugging device further comprises guide members 6 arranged on two sides of the plugging plate 1, wherein the guide members 6 are used for guiding the plugging plate 1 to move up and down, and as shown in fig. 4 and 8, the guide members 6 are arranged on two sides of the plugging plate 1 and are positioned above the lighting window 4. This leading part 6 specifically can adopt Z shaped steel to make, and the bolt fastening is passed through on the building body to a side of Z shaped steel, another side with connect the connecting portion of two sides with form the spout between the building body, the both sides of shutoff board 1 insert in the spout that forms between this leading part 6 and the building body, with slide under leading part 6's the restriction.

In the present embodiment, the driving mechanism 3 for driving the blocking plate 1 to move upward from the blocking state to the open state includes (as shown in fig. 9): an operating member, a bevel gear 302, a first gear 303, a second gear 304, a drive train 305, and drive teeth 104; the transmission teeth 104 are arranged on the inner side of the plugging plate 1 and are arranged along the height direction; the driving chain 305 is meshed with the driving teeth 104; the bevel gear 302 is meshed with the first gear 303 to drive the first gear 303 to rotate through rotation of the bevel gear 302, so that the transmission chain 305 is driven to run around the first gear 303 and the second gear 304 through rotation of the first gear 303; the operating member is connected with the bevel gear 302 to rotate the bevel gear 302 by the operating member. Wherein the operating member is preferably a dial 301, or other handle that facilitates rotation.

When the rotating disc 301 is rotated, the bevel gear 302 rotates, the rotation of the bevel gear 302 drives the first gear 303 to rotate, so that the transmission chain 305 runs through the first gear 303 and the second gear 304, and the transmission chain 305 drives the plugging plate 1 to run upwards through the meshing with the transmission teeth 104 on the plugging plate 1.

It will be understood by those skilled in the art that the driving mechanism 3 operable from the inside of the lighting window 4 to drive the blocking plate 1 to move upward is not limited to the above-described configuration, and for example, a screw mechanism may be provided to drive the blocking plate 1 to move upward and downward, a screw of the screw mechanism may be provided inside the lighting window 4, the screw may be driven to rotate inside the lighting window 4, the blocking plate 1 may be connected to a slider outside the lighting window 4, the slider may be connected to a nut of the screw mechanism, and the blocking plate 1 may be driven to slide by the rotation of the screw. However, this method requires a slide groove for sliding the slide block on the building body, and is not a preferred method of the present application. The above described way of driving by means of bevel gears and a drive chain is the preferred embodiment of the present application.

The daylight window blocking device further comprises a locking pin 8 for locking the operating member on the building body to prevent rotation of the operating member. As shown in fig. 2, when the closure panel 1 is raised to the open position, the operating member can be locked from turning around by the locking pin 8 passing through the operating member (i.e., the dial 301) and being inserted on the building body. Wherein, the preferable tip of lockpin 8 has the screwed pin, and this lockpin 8 can be in the hole of reserving on the building body is attacked through the screw thread.

In the present embodiment, the plugging plate 1 falls from the open position to the plugging position by its own weight; lighting window plugging device still includes to set up removably spacing part on the building body of 4 tops of lighting window, spacing part specifically can be for inserting spacer pin 9 on the building body, spacer pin 9 is followed after demolising on the building body, as shown in fig. 5 and fig. 6, shutoff board 1 falls extremely through the dead weight the shutoff position, spacer pin 9 is fixed can prevent behind the building body shutoff board 1 is followed open the position falls extremely the shutoff position, as shown in fig. 1 and fig. 2.

In addition, in this embodiment, the part of the blocking plate 1 that is located above the driving gear 104 is provided with a sealing part 103, and the sealing part 103 is used for sealing the avoiding groove 10 that is arranged on the outer surface of the building body when the blocking plate 1 is in the blocking position and is used for the driving gear 104 to pass through. As shown in fig. 2, during the upward or downward movement of the closure plate 1, the driving tooth 104 on the closure plate 1 passes through the escape groove 10. As shown in fig. 6, when the plugging plate 1 moves downward to the plugging position, the driving teeth 104 on the plugging plate 1 are located below the avoiding groove 10, and at this time, the sealing member 103 on the plugging plate 1 falls into the avoiding groove 10 to seal the avoiding groove 10.

The following describes a specific application of the lighting window blocking device provided in this embodiment to a building having a lighting window 4.

The blocking plate 1 can be installed on the outer side of a building with a lighting window 4 in a vertically movable manner, and two sides of the blocking plate 1 move under the limiting and guiding action of a guide component 6 installed on the building; the cover plate 2 is rotatably mounted on the building by a rotating shaft 202, and the cover plate 2 is connected with the plugging plate 1 by a sliding connecting rod 5.

As shown in fig. 1 to 4, the closure panel 1 is in the open position, in which the cover plate 2 is located inside the closure panel 1 and is in a substantially inclined position, and the patio 7 outside the skylight 4 is open, so that sunlight can shine on the skylight 4 from the patio 7.

The process of moving the closure plate 1 from the open position to the closure position is as follows:

the locking pin 8 is detached from the inner side of the lighting window 4 so that the rotary disc 301 can normally rotate, the limiting pin 9 for limiting the blocking plate 1 is removed, the blocking plate 1 moves downwards under the action of self weight, in the process of moving downwards, the blocking plate 1 drives the cover plate 2 to turn outwards around the rotating shaft 202 through the sliding connecting rod 5, and at the moment, the sliding connecting rod 5 slides in the first sliding groove 101 of the blocking plate 1 and the second sliding groove 201 of the cover plate 2.

When the plugging plate 1 is lowered to the plugging position (i.e. the position corresponding to the lighting window 4), as shown in fig. 5-8, the cover plate 2 is turned outwards to a flat state and covers the patio 7, and the top of the cover plate 2 is lapped on the supporting part 11 of the patio 7 on the side far away from the lighting window 4. Here, the flat state of the cover plate 2 described in the present application is not a strict horizontal state, and refers to a lateral state covering the patio 7. In addition, in this blocking position, the sealing member 103 on the blocking plate 1 is seated in the escape groove 10 to be sealed.

The process of driving the closure plate 1 from the closure position to the open position is as follows:

rotating the turntable 301 from the inner side of the lighting window 4, driving the bevel gear 302 to rotate through the turntable 301, and driving the first gear 303 to rotate through the bevel gear 302, so that the transmission chain 305 runs through the rotation of the first gear 303 and the second gear 304 and drives the plugging plate 1 to move upwards to the opening position;

wherein, in the process of gradually moving up the plugging plate 1, the plugging plate 1 slowly jacks up the cover plate 2, so that the cover plate 2 is turned over to the retracted state from the flat state around the rotating shaft 202.

Then, a stopper pin 9 is inserted below the plugging plate 1 to prevent the plugging plate 1 from falling down, and a locking pin 8 is inserted to lock the turntable 301 to the building to prevent it from rotating.

According to another aspect of the present invention, there is also provided an underground building including a building body having a lighting window 4, and the lighting window blocking apparatus as described above, wherein the building body is formed with a patio 7 on an outer side of the lighting window 4 below the ground; the blocking plate 1 of the lighting window blocking device is arranged at the outer side of a lighting window 4 in a vertically movable manner, and the cover plate 2 is rotatably arranged on the building main body; when the plugging plate 1 moves downwards to the plugging position, the cover plate 2 is turned outwards from the inner side of the plugging plate 1 relative to the lighting window 4 to a flat state covering the patio 7; when the blocking plate 1 is driven by the driving mechanism 3 to move upwards to the opening position, the cover plate 2 is turned from the flat state to the inner side of the blocking plate 1 to the retracted state.

Preferably, the underground building further comprises a canopy arranged above the lighting window 4, and the lighting window plugging device is arranged below the canopy.

The preferred embodiments of the present application have been described in detail above, but the present application is not limited to the specific details of the above embodiments, and various simple modifications can be made to the technical solution of the present application within the technical idea of the present application, and these simple modifications all belong to the protection scope of the present application.

It should be noted that, in the foregoing embodiments, various features described in the above embodiments may be combined in any suitable manner, and in order to avoid unnecessary repetition, various possible combinations are not described in the present application.

In addition, any combination of the various embodiments of the present application can be made, and the same should be considered as the disclosure of the present invention as long as the combination does not depart from the spirit of the present application.