阅读说明：本技术 一种支撑结构及防爆型人防安全门 (Supporting structure and explosion-proof people's air defense emergency exit ) 是由 夏禹 于 2020-12-24 设计创作，主要内容包括：本发明公开了一种支撑结构及防爆型人防安全门,包括箱体,所述箱体的内部滑动设置有移动连板,所述移动连板的底端固定连接有支撑连杆,所述支撑连杆的底端向下伸出所述箱体的外侧并固定连接有支撑垫块,所述箱体的内部固定有滑竿、所述滑竿的顶端固定有限位挡块,所述限位挡块上滑动套合有与所述移动连板固定连接的第一滑套。本发明通过控制驱动装置可以使支撑垫块向下垂直移动,支撑垫块向下移动至与地面接触时可以对与箱体固定连接的门板起到支撑作用,从而防止门铰因受到较大的压力而被压弯损坏,支撑垫块下移的同时限位装置可以作用于门板,使门板与门框保持固定无法转动,从而防止门体因受到大风等外力因素摆动影响人们的通行。(The invention discloses a supporting structure and an explosion-proof type civil air defense safety door, which comprises a box body, wherein a movable connecting plate is arranged in the box body in a sliding manner, the bottom end of the movable connecting plate is fixedly connected with a supporting connecting rod, the bottom end of the supporting connecting rod extends downwards to the outer side of the box body and is fixedly connected with a supporting cushion block, a sliding rod is fixed in the box body, a limiting stop block is fixed at the top end of the sliding rod, and a first sliding sleeve fixedly connected with the movable connecting plate is sleeved on the limiting stop block in a sliding manner. The invention can make the supporting cushion block move vertically downwards by controlling the driving device, and the supporting cushion block can play a role of supporting the door plate fixedly connected with the box body when moving downwards to be contacted with the ground, thereby preventing the door hinge from being bent and damaged due to larger pressure, and the limiting device can act on the door plate while the supporting cushion block moves downwards, so that the door plate and the door frame are kept fixed and can not rotate, thereby preventing the door body from influencing the passing of people due to the swinging of external force factors such as strong wind and the like.)

1. A supporting structure comprises a box body (1), and is characterized in that a movable connecting plate (2) is arranged inside the box body (1) in a sliding mode, a supporting connecting rod (3) is fixedly connected to the bottom end of the movable connecting plate (2), the bottom end of the supporting connecting rod (3) extends out of the outer side of the box body (1) downwards and is fixedly connected with a supporting cushion block (4), a sliding rod (5) is fixed inside the box body (1), a limiting stop block (16) is fixed to the top end of the sliding rod (5), and a first sliding sleeve (6) fixedly connected with the movable connecting plate (2) is sleeved on the limiting stop block (16) in a sliding mode;

wherein, a driving device used for controlling the sliding of the movable connecting plate (2) is arranged on the movable connecting plate (2).

2. A supporting structure as claimed in claim 1, characterised in that said driving means comprise a rack (7) fixedly connected to the top end of said mobile tie plate (2) and a circular gear (8) rotatably arranged inside said box (1) and engaged with said rack (7).

3. A supporting structure as claimed in claim 2, wherein the inside of the box body (1) is rotatably provided with a screw rod (9) matched with the circular gear (8), the top end of the screw rod (9) is sleeved with a first bevel gear (10), the inside of the box body (1) is rotatably provided with a driving rotating shaft (11), one end of the driving rotating shaft (11) is fixedly sleeved with a second bevel gear (12) engaged with the first bevel gear (10), and the other end of the driving rotating shaft (11) extends out of the outer side of the box body (1) and is fixedly connected with a rotating handle (13).

4. An explosion-proof type people air defense security door, characterized by comprising the support structure of any one of the preceding claims 1 to 3, further comprising a door frame (14), a door panel (15) rotatably arranged on the door frame (14), and a door hinge (17) installed between the door frame (14) and the door panel (15);

the box body (1) is fixed inside the door plate (15), and a limiting device used for limiting the rotation of the door plate (15) is arranged between the door frame (14) and the door plate (15).

5. An explosion-proof type civil air defense security door according to claim 4, characterized in that the limiting device comprises a second sliding sleeve (18) fixed on one side of the door panel (15), a latch rod (19) slidably sleeved inside the second sliding sleeve (18), a first jack (20) opened on the door frame (14) for inserting one end of the latch rod (19), and a traction connecting plate (21) arranged inside the door panel (15) and fixedly connected with the latch rod (19);

a traction device acting on the traction connecting plate (21) is arranged between the movable connecting plate (2) and the traction connecting plate (21), and an elastic resetting device is arranged on the bolt rod (19).

6. An explosion-proof type people-air defense door according to claim 5, characterized in that the traction device comprises a first steering wheel (22) arranged at a position below the movable connecting plate (2) and rotatably connected with the inner wall of the door panel (15), a second steering wheel (23) arranged at a position above the first steering wheel (22) and rotatably connected with the inner wall of the door panel (15), and a traction rope (24) fixedly connected to the movable connecting plate (2);

one end of the traction rope (24) sequentially bypasses the first steering wheel (22) and the second steering wheel (23) and is fixedly connected with one side of the traction connecting plate (21).

7. An explosion-proof type people air defense safety door according to claim 5, characterized in that the elastic resetting device comprises a fixed block (25) fixed on the bolt rod (19), a fixed baffle (26) fixed between the traction connecting plate (21) and the side wall of the door panel (15), and a spring (27) sleeved on the bolt rod (19);

one end of the spring (27) is abutted against the fixed block (25), and the other end of the spring (27) is abutted against the fixed baffle (26).

8. An explosion-proof type people air defense security door according to claim 4, characterized in that the door panel (15) is provided with an observation window (28), the observation window (28) is provided with a window (29), and the window (29) is provided with a handle (30).

9. An explosion-proof type people air defense security door according to claim 5, characterized in that the limiting device further comprises a second jack (31) and a groove (32), the second jack (31) and the groove (32) are both arranged on the door frame (14), the second jack (31) is adjacent to the first jack (20), and the groove (32) is clamped with the supporting cushion block.

Technical Field

The invention relates to a civil air defense safety door, in particular to a supporting structure and an explosion-proof civil air defense safety door.

Background

The doors at the entrances and exits of civil defense protection projects are called civil defense safety doors, which are simply doors with protection functions when people enter the gates of areas with protection measures in war, earthquake and other natural disasters, and the existing civil defense safety doors are mostly used at the entrances and exits of lower markets, hospitals, warehouses, lower parking lots and the like.

In order to facilitate people to pass under the general condition, the civil air defense door safety door is generally in an open state, however, the bottom end of the existing civil air defense door safety door is not provided with a supporting structure, the civil air defense door has large dead weight, the door hinge can be bent to cause damage due to bearing large pressure when the civil air defense door is opened for a long time, and meanwhile, the door body can swing due to external force factors such as strong wind and the like, so that people's passing is influenced.

Disclosure of Invention

Based on the defects in the prior art mentioned in the background art, the invention provides a supporting structure and an explosion-proof type civil air defense safety door.

The invention overcomes the technical problems by adopting the following technical scheme, and specifically comprises the following steps:

a supporting structure comprises a box body, wherein a movable connecting plate is arranged inside the box body in a sliding mode, the bottom end of the movable connecting plate is fixedly connected with a supporting connecting rod, the bottom end of the supporting connecting rod extends downwards out of the outer side of the box body and is fixedly connected with a supporting cushion block, a sliding rod is fixed inside the box body, a limiting stop block is fixed at the top end of the sliding rod, and a first sliding sleeve fixedly connected with the movable connecting plate is sleeved on the limiting stop block in a sliding mode;

and the movable connecting plate is provided with a driving device for controlling the movable connecting plate to slide.

As a further scheme of the invention: the driving device comprises a rack fixedly connected to the top end of the movable connecting plate and a circular gear rotatably arranged in the box body and meshed with the rack.

As a still further scheme of the invention: the inside of box rotate be provided with circular gear matched with screw rod, screw rod's top has cup jointed first conical gear, the inside of box rotates and is provided with the drive pivot, the fixed cover of one end of drive pivot connect with first conical gear engaged with second conical gear, the other end of drive pivot stretches out the outside and the fixedly connected with turning handle of box.

An explosion-proof type people's air defense safety door comprises the support structure, a door frame, a door plate and a door hinge, wherein the door plate is rotatably arranged on the door frame, and the door hinge is arranged between the door frame and the door plate;

the box body is fixed inside the door plate, and a limiting device used for limiting the door plate to rotate is arranged between the door frame and the door plate.

As a still further scheme of the invention: the limiting device comprises a second sliding sleeve fixed on one side of the door panel, a plug rod sleeved in the second sliding sleeve in a sliding manner, a first jack arranged on the door frame and used for inserting one end of the plug rod, and a traction connecting plate arranged in the door panel and fixedly connected with the plug rod;

the traction device acting on the traction connecting plate is arranged between the movable connecting plate and the traction connecting plate, and the bolt rod is provided with an elastic resetting device.

As a still further scheme of the invention: the traction device comprises a first steering wheel, a second steering wheel and a traction rope, wherein the first steering wheel is arranged at the lower position of the movable connecting plate and is rotationally connected with the inner wall of the door panel, the second steering wheel is arranged at the upper position of the door panel and is rotationally connected with the inner wall of the door panel, and the traction rope is fixedly connected to the movable connecting plate;

one end of the traction rope sequentially bypasses the first steering wheel and the second steering wheel and is fixedly connected with one side of the traction connecting plate.

As a still further scheme of the invention: the elastic reset device comprises a fixed block fixed on the plug rod, a fixed baffle fixed between the traction connecting plate and the side wall of the door panel and a spring sleeved on the plug rod;

one end of the spring is abutted to the fixed block, and the other end of the spring is abutted to the fixed baffle.

As a still further scheme of the invention: the door plate is provided with an observation window, the observation window is provided with a window door, and the window door is provided with a handle.

As a still further scheme of the invention: the limiting device further comprises a second jack and a groove, the second jack and the groove are arranged on the door frame, the second jack is adjacent to the first jack, and the groove is clamped with the supporting cushion block.

After adopting the structure, compared with the prior art, the invention has the following advantages:

1. the supporting cushion block can move vertically downwards by controlling the driving device, and can play a supporting role on the door plate fixedly connected with the box body when the supporting cushion block moves downwards to be in contact with the ground, so that the door hinge is prevented from being bent and damaged due to larger pressure, the limiting device can act on the door plate while the supporting cushion block moves downwards, the door plate and the door frame are kept fixed and can not rotate, and the door body is prevented from being influenced by the swinging of external force factors such as strong wind and the like to pass;

2. the rotating handle is rotated, the movable connecting plate is driven by the first bevel gear, the second bevel gear, the spiral screw rod, the circular gear and the rack to move up and down along the sliding rod, and meanwhile, the bolt rod is clamped with the first jack or the second jack under the action of the traction rope and the spring to fix and lock the door;

3. through seting up second jack and recess on the door frame, when closing the door, rotate the turning handle, put down the lip block and with the recess block, with bolt pole and second jack block, with door locking when expert.

Drawings

FIG. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a schematic structural view of the driving shaft and the rotating handle in the invention.

FIG. 3 is an enlarged view of the point A of the present invention.

Fig. 4 is a schematic view showing the structure of the window, door and handle of the present invention.

FIG. 5 is a schematic view of a door frame according to the present invention

In the figure: 1. a box body; 2. moving the connecting plate; 3. a support link; 4. supporting the cushion block; 5. a slide rod; 6. a first sliding sleeve; 7. a rack; 8. a circular gear; 9. a screw rod; 10. a first bevel gear; 11. driving the rotating shaft; 12. a second bevel gear; 13. a handle is rotated; 14. a door frame; 15. a door panel; 16. a limit stop block; 17. door hinges; 18. a second sliding sleeve; 19. a latch rod; 20. a first jack; 21. drawing the connecting plate; 22. a first steering wheel; 23. a second steering wheel; 24. a hauling rope; 25. a fixed block; 26. fixing a baffle plate; 27. a spring; 28. an observation window; 29. a window and a door; 30. a handle; 31. a second jack; 32. and (4) a groove.

Detailed Description

To facilitate an understanding of the invention, the invention will now be described more fully with reference to the accompanying drawings. Preferred embodiments of the present invention are shown in the drawings. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.

In addition, an element of the present invention may be said to be "fixed" or "disposed" to another element, either directly on the other element or with intervening elements present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only and do not represent the only embodiments.

Referring to fig. 1 to 5, in the embodiment of the invention, a supporting structure and an explosion-proof type people air defense safety door comprise a box body 1, a movable connecting plate 2 is slidably arranged inside the box body 1, a supporting connecting rod 3 is fixedly connected to the bottom end of the movable connecting plate 2, the bottom end of the supporting connecting rod 3 extends downwards out of the box body 1 and is fixedly connected with a supporting cushion block 4, a sliding rod 5 is fixed inside the box body 1, a limit stop 16 is fixed to the top end of the sliding rod 5, and a first sliding sleeve 6 fixedly connected with the movable connecting plate 2 is slidably sleeved on the limit stop 16;

wherein, a driving device for controlling the sliding of the movable connecting plate 2 is arranged on the movable connecting plate 2;

the box body 1 is fixed, when the movable connecting plate 2 moves under stress, the first sliding sleeve 6 slides on the surface of the sliding rod 5 under the driving of the movable connecting plate 2, at the moment, the movable connecting plate 2 keeps vertical sliding along the sliding rod 5 under the limiting action of the sliding rod 5 and the first sliding sleeve 6, the control driving device can provide vertical driving force for the movable connecting plate 2, so that the movable connecting plate 2 is controlled to slide up and down along the vertical direction, when the box body 1 is fixed and the movable connecting plate 2 is controlled to move downwards, the movable connecting plate 2 drives the supporting cushion block 4 to move downwards, and when the bottom end of the supporting cushion block 4 is in contact with the ground, the supporting effect can be generated on the box body 1.

In one embodiment of the invention, the driving device comprises a rack 7 fixedly connected to the top end of the movable connecting plate 2, and a circular gear 8 rotatably arranged in the box body 1 and meshed with the rack 7;

due to the meshing relationship between the rack 7 and the circular gear 8, when the circular gear 8 is controlled to rotate, the circular gear 8 generates a driving force in the vertical direction on the rack 7, so that the movable connecting plate 2 is subjected to the driving force in the vertical direction.

In another embodiment of the present invention, a screw rod 9 matched with the circular gear 8 is rotatably arranged inside the box body 1, a first bevel gear 10 is sleeved on the top end of the screw rod 9, a driving rotating shaft 11 is rotatably arranged inside the box body 1, a second bevel gear 12 engaged with the first bevel gear 10 is fixedly sleeved on one end of the driving rotating shaft 11, and the other end of the driving rotating shaft 11 extends out of the outer side of the box body 1 and is fixedly connected with a rotating handle 13;

when the handle 13 is held and rotated, the first bevel gear 10 meshed with the second bevel gear 12 is driven by the second bevel gear 12 to rotate, the first bevel gear 10 drives the second bevel gear 9 to rotate, and the circular gear 8 is driven by the second bevel gear 10 to rotate because the circular gear 8 is matched with the screw rod 9, so that the circular gear 8 is driven to rotate when the second bevel gear 9 rotates.

An explosion-proof type people air defense safety door comprises the support structure, a door frame 14, a door plate 15 rotatably arranged on the door frame 14, and a door hinge 17 arranged between the door frame 14 and the door plate 15;

the box body 1 is fixed inside the door panel 15, and a limiting device used for limiting the rotation of the door panel 15 is arranged between the door frame 14 and the door panel 15;

when needs keep the door plant 15 open mode and fixed, rotate door plant 15 and make mutually perpendicular between door plant 15 and the door frame 14, it can support door plant 15 to drive 4 downstream of lip block and ground contact through control removal even board 2, prevent to be buckled and warp because of door hinge 17 bears the whole weight of door plant 15 for a long time, remove even board 2 in the downstream, stop device can act on door plant 15, make door plant 15 fixed unable rotation, it drives 4 upstream of lip block to drive even board 2 through control removal, the inside of lip block 4 income door plant 15 is not with ground contact, door plant 15 no longer receives stop device's effect simultaneously, can free rotation.

In another embodiment of the present invention, the limiting device includes a second sliding sleeve 18 fixed on one side of the door panel 15, a latch rod 19 slidably fitted inside the second sliding sleeve 18, a first insertion hole 20 opened on the door frame 14 for inserting one end of the latch rod 19, and a pulling connecting plate 21 disposed inside the door panel 15 and fixedly connected to the latch rod 19;

a traction device acting on the traction connecting plate 21 is arranged between the movable connecting plate 2 and the traction connecting plate 21, and an elastic resetting device is arranged on the bolt rod 19;

when the movable connecting plate 2 moves upwards, the traction connecting plate 21 moves towards the direction far away from the door frame 14 under the pulling action of the traction device, at the moment, the latch rod 19 can be pulled out of the interior of the first jack 20 by the traction connecting plate 21, the door panel 15 can freely rotate without being limited by the first jack 20 and the traction connecting plate 21, when the movable connecting plate 2 moves downwards, the latch rod 19 moves towards the direction close to the door frame 14 under the action of the elastic resetting device, at the moment, if the door panel 15 rotates to be perpendicular to the door frame 14, the latch rod 19 aligns at the position of the first jack 20 and is inserted into the interior of the jack 20, and the door panel 15 cannot rotate under the limiting action of the first jack 20 and the latch rod 19.

In a further embodiment of the present invention, the traction device comprises a first steering wheel 22 disposed at a position below the movable link 2 and rotatably connected to the inner wall of the door panel 15, a second steering wheel 23 disposed at a position above the first steering wheel 22 and rotatably connected to the inner wall of the door panel 15, and a traction rope 24 fixedly connected to the movable link 2;

wherein, one end of the traction rope 24 sequentially bypasses the first steering wheel 22 and the second steering wheel 23 and is fixedly connected with one side of the traction connecting plate 21;

when the movable connecting plate 2 moves upwards, one end of the traction rope 24 far away from the movable connecting plate 2 pulls the traction connecting plate 21 under the steering action of the first steering wheel 22 and the second steering wheel 23, so that the traction connecting plate 21 drives the latch rod 19 to move in the direction far away from the door frame 14.

In another embodiment of the present invention, the elastic resetting device includes a fixed block 25 fixed on the latch rod 19, a fixed baffle 26 fixed between the traction link plate 21 and the side wall of the door panel 15, and a spring 27 sleeved on the latch rod 19;

one end of the spring 27 abuts against the fixed block 25, and the other end of the spring 27 abuts against the fixed baffle 26;

when the movable connecting plate 2 moves downwards, the traction connecting plate 21 is not stressed any more, and the fixed block 25 will drive the latch rod 19 to move towards the door frame 14 under the elastic force of the spring 27.

In another embodiment of the present invention, the door panel 15 is provided with an observation window 28, the observation window 28 is provided with a window 29, and the window 29 is provided with a handle 30;

when the door panel 15 is closed in an emergency, the window door 29 is opened to view the outside of the door panel 15 through the observation window 28.

In another embodiment of the present invention, the limiting device further includes a first jack 31 and a groove 32, the second jack 31 and the groove 32 are both disposed on the door frame 14, the second jack 31 is adjacent to the first jack 20, and the groove 32 is engaged with the lip block;

after the door panel 15 is closed in emergency, the rotating handle 13 is rotated, the movable connecting plate 2 moves downwards, the supporting cushion block 4 is clamped with the groove 32, meanwhile, the connecting plate 21 is pulled to be not stressed, the fixing block 25 can drive the bolt rod 19 to move towards the direction close to the door frame 14 under the action of the elastic force of the spring 27 and is inserted into the second inserting hole 31, and the door panel 15 is locked.

The foregoing is merely illustrative of the preferred embodiments of the present invention and is not to be construed as limiting the claims. The present invention is not limited to the above embodiments, and the specific structure thereof is allowed to vary. But all changes which come within the scope of the invention are intended to be embraced therein.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used herein in the description of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.