CN113137277A

CN113137277A - Falling type anti-flooding door

Info

Publication number: CN113137277A
Application number: CN202110375252.2A
Authority: CN
Inventors: 毛文祥; 范全涛; 薛峰超; 闫希国
Original assignee: Henan Jinxin Civil Defense Group Co Ltd
Current assignee: Henan Jinxin Civil Defense Group Co Ltd
Priority date: 2021-04-08
Filing date: 2021-04-08
Publication date: 2021-07-20

Abstract

The invention discloses a landing door leaf, which comprises a door frame, wherein the interior of the door frame is connected with a door leaf in a sliding manner, one side of the door leaf is provided with a protective plate capable of moving synchronously with the door leaf, one end of the protective plate, which is far away from the door leaf, is elastically connected with a baffle plate, the bottom of the door frame is provided with a groove, and a protective device for buffering impact force when the door leaf descends is arranged in the groove.

Description

Falling type anti-flooding door

Technical Field

The invention relates to the technical field of flood gates, in particular to a falling type flood gate.

Background

The subway is an important component of modern urban public transport, the subway engineering is an underground traffic trunk line at ordinary times, is an evacuation trunk line for people air defense in cities in wartime, can be used as a personnel shelter, guarantees the safety of personnel and equipment when suffering from attack of nuclear weapons, chemical weapons and conventional weapons and flood disasters, and has the function of improving the comprehensive protection capability of the whole city. At ordinary times, all stations are mutually communicated through the interval tunnels, and in wartime or flood, the tunnels between the stations are separated by the separation doors which can bear shock wave load and prevent flood, so that mutually independent protection units are formed.

In order to ensure that the protection function of adjacent stations is not affected when the protection function of one station is lost in wartime or flood disasters, flood-proof protection closed partition doors which can respectively bear shock wave load and water head pressure need to be arranged in tunnels between the stations, and the existing flood-proof doors can be driven by electric power to descend to threshold positions so as to achieve the purpose of sealing and water proofing. However, the door leaf has a large weight, and the door leaf impacts the threshold in the descending process, so that great impact force is easily brought to the threshold, the threshold is damaged, the height of the threshold is reduced, the sealing of the door leaf is finally not in place, and when the door leaf is impacted by water flow, the load of the integral driving device is larger when the integral driving device is operated, and the equipment is easily stopped to cause the failure of opening and closing.

Disclosure of Invention

The invention aims to provide a falling type flood gate capable of protecting a door frame so as to solve the problems in the prior art.

In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a fall formula door leaf, includes the door frame, the inside sliding connection of door frame has the door leaf, one side of door leaf is equipped with the guard plate that can with door leaf synchronous motion, the guard plate can with door leaf synchronous motion, can protect the door leaf before the door leaf contacts rivers, the one end elastic connection that the door leaf was kept away from to the guard plate has the baffle, and the baffle can reduce the impact force of rivers, the bottom of door frame is seted up flutedly, the inside protection device that is used for the impact force buffering when descending to the door leaf that is equipped with of recess, protection device avoid the bottom of door frame to receive strong striking to the life of door frame has been prolonged.

Preferably, the protection device comprises a pressing plate, two ends of the pressing plate are slidably connected with the inner wall of the groove, two ends of the bottom of the pressing plate are fixed with first installation blocks, the first installation blocks are rotatably connected with connecting plates, one ends of the connecting plates far away from the first installation blocks are rotatably connected with second installation blocks, a sliding rod is slidably connected between the second installation blocks, two ends of the sliding rod are fixedly connected with fixed plates, a first spring is connected between each fixed plate and the second installation block, the first springs are sleeved on the sliding rod, when the door leaf is not in contact with the pressing plate, the first spring is in an original state, when the door leaf starts to contact with the pressing plate and gradually extrudes the pressing plate, the pressing plate moves downwards, two ends of the connecting plates at the bottom of the pressing plate rotate, the second installation blocks at the bottom of the connecting plate are far away from each other, and the second installation blocks move on the sliding rod, and the first spring is extruded, the force generated by the first spring offsets the impact force of partial door leaf extrusion pressing plate until the two ends of the pressing plate reach the top of the fixing plate, and at the moment, the door leaf and the door frame are tightly attached to block the circulation of water flow.

Preferably, the bottom of second installation piece all is fixed with the concave frame, the inside of concave frame all rotates and is connected with the connecting axle, all be fixed with roller gear on the connecting axle, the meshing has straight gear board on the roller gear, straight gear board is fixed in the bottom of the inside recess of door frame, thereby when the clamp plate is down moved by the door leaf extrusion, the second installation piece that its bottom is connected through even board can keep away from each other, for the stability that improves the second installation piece and remove, through the roller gear who is equipped with can quick travel in the bottom of second installation piece, the meshing of roller gear and straight gear board promotes the removal of second installation piece, makes its removal more stable.

Preferably, the sliding grooves are formed in the two sides of the door frame, sliding plates are connected to the inner portions of the sliding grooves in a sliding mode, one ends, far away from the sliding grooves, of the sliding plates are fixed to the two ends of the door leaf, first screw rods are connected to the inner portions of the sliding plates in a threaded mode, one ends of the first screw rods penetrate through the top of the door frame and are connected with first gears in a bearing mode, rotating devices are jointly arranged on the first gears, the rotating devices drive the first gears to rotate, meanwhile, the first screw rods at the two ends of the door frame rotate, the first screw rods rotate to enable the sliding plates in threaded connection with the first screw rods to move inside the sliding grooves, therefore, the door leaf can slide inside the door frame, and in emergency situations, the door leaf can descend to block water flow.

Preferably, the rotating device comprises a worm, the worm is meshed with the first gears, connecting seats are arranged at two ends of the worm, the connecting seats are fixed on the door frame, a driving motor is fixed at one end of the worm, a bearing seat is arranged on the driving motor, the bottom of the bearing seat is fixed on the connecting seats, and in case of emergency, the driving motor is started, so that the worm rotates, and when the worm rotates, the two first gears on the worm rotate, and finally the sliding plate drives the door leaf to move.

Preferably, four corners of door frame all are fixed with the bearing plate, be equipped with the second lead screw between the bearing plate of door frame one side, keep away from and be connected with the connecting rod between the bearing plate of second lead screw one side, the one end of second lead screw passes bearing plate bearing and is connected with the second gear, second gear and first gear mesh mutually, rotate through the bearing housing between bearing plate and the second lead screw and be connected, threaded connection between second lead screw and the guard plate, sliding connection between the one end of second lead screw and the connecting rod is kept away from to the guard plate, and when the door leaf descends, driving motor starts and drives first gear revolve, and first gear revolve makes the second gear revolve who meshes with it, and second gear revolve, makes the second lead screw rotate, finally makes the guard plate move down on second lead screw and connecting rod, protects the door leaf.

Preferably, be equipped with the multiunit installation cover on the guard plate, the inside sliding connection of installation cover has the depression bar, the one end and the baffle fixed connection of installation cover are kept away from to the depression bar, the bottom of installation cover and the bottom of depression bar are connected with the second spring, and when the baffle received water impact, the impact force of a part rivers was offset to the inside second spring of depression bar extrusion installation cover through baffle one end to make rivers also reduce the impact force of guard plate, prolong the life of guard plate.

Preferably, the initial position of guard plate is located bottom one side of door leaf, and when the door leaf descends, the guard plate descends earlier, just can contact with rivers earlier to make rivers can not bring huge impact force to the door leaf, make the door leaf descend fast.

Compared with the prior art, the invention has the beneficial effects that:

1. according to the invention, the protection plate capable of moving synchronously with the door leaf is arranged on one side of the door leaf, so that the impact of water flow on the door leaf is reduced in the descending process of the door leaf, and the door leaf can descend rapidly.

2. The protective plate can move synchronously with the door leaf, the door leaf can be protected before the door leaf contacts water flow, and the baffle plate elastically connected with one end of the protective plate can reduce the impact force of the water flow.

3. The protective device can counteract the impact force of partial door leaves on the bottom of the door frame when the door leaves descend to the bottom of the door frame, thereby prolonging the service life of the door frame and preventing the situation that the sealing of the door leaves is not in place due to the reduction of the total height of the bottom of the door frame.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic side view of the present invention;

FIG. 3 is a schematic view of the present invention with portions of the guard removed;

FIG. 4 is a schematic view of the bottom internal structure of the integrated door frame of the present invention;

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

FIG. 6 is an enlarged view of area A of FIG. 1;

FIG. 7 is an enlarged view of area B of FIG. 3;

FIG. 8 is an enlarged view of area C of FIG. 5;

fig. 9 is a schematic view of the internal structure of the mounting sleeve of the present invention.

In the figure: 1-a door frame; 2-door leaf; 3-protection plate; 4-a baffle plate; 5-a groove; 6-a protection device; 7-pressing a plate; 8-a first mounting block; 9-connecting plates; 10-a second mounting block; 11-a slide bar; 12-a fixing plate; 13-a first spring; 14-a concave shelf; 15-a connecting shaft; 16-a rolling gear; 17-a spur gear plate; 18-a chute; 19-a slide plate; 20-a first lead screw; 21-a first gear; 22-a rotation device; 23-a worm; 24-a connecting seat; 25-a drive motor; 26-a bearing seat; 27-a bearing plate; 28-a second lead screw; 29-connecting rod; 30-a second gear; 31-mounting the sleeve; 32-a pressure bar; 33-second spring.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Example 1

Referring to fig. 1, 4, 5 and 8, the falling type anti-flooding door shown in the figure comprises a door frame 1, a door leaf 2 is slidably connected inside the door frame 1, a protection plate 3 capable of moving synchronously with the door leaf 2 is arranged on one side of the door leaf 2, a baffle plate 4 is elastically connected to one end, far away from the door leaf 2, of the protection plate 3, the initial position of the protection plate 3 is located on one side of the bottom of the door leaf 2, a groove 5 is formed in the bottom of the door frame 1, and a protection device 6 for buffering impact force when the door leaf 2 falls is arranged inside the groove 5.

The protection device 6 comprises a pressing plate 7, two ends of the pressing plate 7 are slidably connected with the inner wall of the groove 5, first mounting blocks 8 are fixed at two ends of the bottom of the pressing plate 7, connecting plates 9 are rotatably connected to the first mounting blocks 8, one ends of the connecting plates 9, far away from the first mounting blocks 8, are rotatably connected with second mounting blocks 10, sliding rods 11 are slidably connected between the second mounting blocks 10, two ends of each sliding rod 11 are fixedly connected with fixing plates 12, first springs 13 are connected between the fixing plates 12 and the second mounting blocks 10, and the first springs 13 are sleeved on the sliding rods 11;

meanwhile, the bottom of the second mounting block 10 is fixed with a concave frame 14, the inside of the concave frame 14 is connected with a connecting shaft 15 in a rotating mode, rolling gears 16 are fixed on the connecting shaft 15, straight gear plates 17 are meshed on the rolling gears 16, and the straight gear plates 17 are fixed at the bottoms of the grooves 5 in the door frame 1.

When needing to cut off water flow: the door leaf 2 descends in the door frame 1, the protection plate 3 can move synchronously with the door leaf 2, the door leaf 2 can be protected before the door leaf 2 contacts water flow, when the door leaf 2 reaches the position of the pressing plate 7, the pressing plate 7 is pressed by the door leaf 2 to move downward, the two ends of the connecting plate 9 at the bottom of the connecting plate rotate and enable the second mounting blocks 10 at the bottom of the connecting plate 9 to be far away from each other, the meshing of the bottom rolling gears 16 and the spur gear plates 17 of the second mounting blocks 10 promotes the movement of the second mounting blocks 10, and meanwhile, the second mounting blocks 10 simultaneously move on the sliding rods 11, and extrude first spring 13, the power that first spring 13 produced offsets partial door leaf 2 and extrudes the impact force of clamp plate 7, and the fixed plate 12 is fixed at the inboard bottom of door frame 2 until the both ends of clamp plate 7 reach the top of fixed plate 12, closely laminates between door leaf 2 and the door frame 1 this moment, is used for blocking the circulation of rivers. And a sealing strip is arranged on the inner wall of the groove 5 to improve the sealing performance of the door leaf 2 and the groove 5.

As the embodiment of the invention not shown in the figure, the inner wall of the groove 5 is provided with the boss extending inwards, when the door leaf 2 is closed, the bottom of the door leaf is attached to the boss, and the boss forms a water retaining platform, which is equivalent to secondary sealing, thereby improving the sealing performance of the invention.

Example 2

Referring to fig. 4 and 7, in this embodiment, a sliding groove 18 is formed in each of two sides of a door frame 1, a sliding plate 19 is slidably connected inside each sliding groove 18, one end of each sliding plate 19, which is far away from each sliding groove 18, is fixed at each of two ends of a door leaf 2, a first screw rod 20 is threadedly connected inside each sliding plate 19, one end of each first screw rod 20 penetrates through the top of the door frame 1 and is connected with a first gear 21 through a bearing, and a rotating device 22 is commonly disposed on each first gear 21. Sealing strips are arranged on the inner wall of the sliding groove 18 to improve the sealing performance of the sliding plate 19 and the sliding groove 18.

Wherein, rotating device 22 includes worm 23, and worm 23 all meshes with first gear 21, and the both ends of worm 23 all are equipped with connecting seat 24, and connecting seat 24 all fixes on door frame 1, and the one end of worm 23 is fixed with driving motor 25, is equipped with bearing frame 26 on the driving motor 25, and the bottom of bearing frame 26 is fixed on connecting seat 24.

When needing to cut off water flow: the driving motor 25 is started, so that the worm 23 rotates, when the worm 23 rotates, the two first gears 21 on the worm 23 rotate, the first screw rods 20 at the two ends of the door frame 1 rotate, the first screw rods 20 rotate, the sliding plates 19 in threaded connection with the first screw rods 20 stably move in the sliding grooves 18, so that the door leaf 2 can slide in the door frame 1, and when an emergency occurs, the door leaf 2 can descend to cut off water flow.

Example 3

Referring to fig. 2, 3, 6 and 9, in this embodiment, a bearing plate 27 is fixed at each of four corners of the doorframe 1, a second lead screw 28 is disposed between the bearing plates 27 at one side of the doorframe 1, a connecting rod 29 is connected between the bearing plates 27 at the side far from the second lead screw 28, one end of the second lead screw 28 is connected with a second gear 30 through the bearing plate 27, the second gear 30 is engaged with the first gear 21, the bearing plate 27 is rotatably connected with the second lead screw 28 through a bearing sleeve, the second lead screw 28 is connected with the protection plate 3 through a screw, and one end of the protection plate 3 far from the second lead screw 28 is slidably connected with the connecting rod 29.

Wherein, be equipped with multiunit installation cover 31 on the guard plate 3, the inside sliding connection of installation cover 31 has a depression bar 32, and the one end and the baffle 4 fixed connection of installation cover 31 are kept away from to depression bar 32, and the bottom of installation cover 31 and the bottom of depression bar 32 are connected with second spring 33.

When needing to cut off water flow: the driving motor 25 is started, so that the worm 23 rotates, when the worm 23 rotates, the two first gears 21 on the worm 23 rotate, the first gears 21 rotate to enable the second gears 30 meshed with the first gears to rotate, the second gears 30 rotate to enable the second lead screws 28 to rotate, finally the protection plate 3 moves downwards on the second lead screws 28 and the connecting rods 29, the protection plate 3 descends firstly, when the baffle 4 is impacted by water flow, the second springs 33 inside the pressing rods 32 at one end of the baffle 4 extrude the mounting sleeve 31 to offset the impact force of part of the water flow, so that the impact force of the water flow on the protection plate 3 is also reduced, the service life of the protection plate 3 is prolonged, the protection plate 3 enables the water flow not to bring huge impact force to the door leaf 2, and the door leaf 2 can descend quickly.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a fall formula flood gate, includes door frame (1) inside sliding connection has door leaf (2) its characterized in that: the door is characterized in that a protection plate (3) capable of moving synchronously with the door leaf (2) is arranged on one side of the door leaf (2), one end, far away from the door leaf (2), of the protection plate (3) is elastically connected with a baffle (4), a groove (5) is formed in the bottom of the door frame (1), and a protection device (6) used for buffering impact force when the door leaf (2) descends is arranged inside the groove (5).

2. The drop-out submergence preventing door of claim 1, wherein: protection device (6) are including clamp plate (7), the both ends of clamp plate (7) and the inner wall sliding connection of recess (5), the bottom both ends of clamp plate (7) all are fixed with first installation piece (8), two all rotate on first installation piece (8) and be connected with even board (9), the one end of keeping away from first installation piece (8) even rotates and is connected with second installation piece (10), two sliding connection has slide bar (11) between second installation piece (10), the equal fixedly connected with fixed plate (12) in both ends of slide bar (11), be connected with first spring (13) between fixed plate (12) and close second installation piece (10), first spring (13) cover is established on slide bar (11).

3. The drop-out submergence preventing door of claim 2, wherein: the bottom of second installation piece (10) is fixed with concave frame (14), the inside rotation of concave frame (14) is connected with connecting axle (15), fixed mounting has roller gear (16) on connecting axle (15), the meshing has spur gear board (17) on roller gear (16), spur gear board (17) are fixed in the bottom of door frame (1) inside recess (5).

4. The drop-out submergence preventing door of claim 1, wherein: the door frame is characterized in that sliding grooves (18) are formed in two sides of the door frame (1), sliding plates (19) are connected to the inner portions of the sliding grooves (18) in a sliding mode, one ends, far away from the sliding grooves (18), of the sliding plates (19) are fixed to two ends of the door leaf (2), first screw rods (20) are connected to the inner portions of the sliding plates (19) in a threaded mode, one ends of the first screw rods (20) penetrate through the top of the door frame (1) and are connected with first gears (21) in a bearing mode, and rotating devices (22) are arranged on the first gears (21).

5. The drop-out submergence preventing door of claim 4, wherein: rotating device (22) include worm (23), worm (23) and first gear (21) meshing, the both ends of worm (23) all are equipped with connecting seat (24), connecting seat (24) are fixed on door frame (1), the one end of worm (23) is fixed with driving motor (25), be equipped with bearing frame (26) on driving motor (25), the bottom of bearing frame (26) is fixed on connecting seat (24).

6. The drop-out submergence preventing door of claim 1, wherein: four corners of door frame (1) all are fixed with bearing plate (27), be equipped with second lead screw (28) between bearing plate (27) of door frame (1) one side, keep away from and be connected with connecting rod (29) between bearing plate (27) of second lead screw (28) one side, the one end of second lead screw (28) is passed bearing plate (27) bearing and is connected with second gear (30), second gear (30) and first gear (31) mesh mutually, rotate through the bearing housing between bearing plate (27) and second lead screw (28) and be connected, threaded connection between second lead screw (28) and guard plate (3), sliding connection between one end and connecting rod (29) of second lead screw (28) is kept away from in guard plate (3).

7. The drop-out submergence preventing door of claim 1, wherein: be equipped with multiunit installation cover (31) on guard plate (3), the inside sliding connection of installation cover (31) has depression bar (32), the one end and baffle (4) fixed connection of installation cover (31) are kept away from in depression bar (32), the bottom of installation cover (31) and the bottom of depression bar (32) are connected with second spring (33).

8. The drop-out submergence preventing door of claim 7, wherein: the initial position of the protection plate (3) is positioned on one side of the bottom of the door leaf (2).