CN211647713U

CN211647713U - Interval partition door

Info

Publication number: CN211647713U
Application number: CN201922004458.5U
Authority: CN
Inventors: 陆银波; 梁玉星; 邓贵珍; 钟华; 陆地
Original assignee: Guangxi Nanning Duning Ventilation Protection Equipment Co ltd
Current assignee: Guangxi Nanning Duning Ventilation Protection Equipment Co ltd
Priority date: 2019-11-19
Filing date: 2019-11-19
Publication date: 2020-10-09
Anticipated expiration: 2029-11-19

Abstract

The utility model discloses a section partition door, which comprises a door frame, a large sealing door leaf, a small sealing door leaf, a cross-over door and a first locking driving mechanism, wherein the door frame is arranged on the inner wall of a subway tunnel, a notch is arranged at the upper corner of the large sealing door leaf, a bus bar hole is arranged on the large sealing door leaf on the side surface of the notch, a crossing opening is arranged in the middle of the lower part of the large sealing door leaf, the crossing door is arranged at the crossing opening in a sealing and hinged mode, a first locking driving mechanism is fixed on the inner surface of the large sealing door leaf, a second locking driving mechanism is fixed on the inner surface of the small sealing door leaf, the edges of two sides of the inner surface of the door frame are provided with a plurality of locking seats, the two sides of the inner surface edge of the large sealing door leaf are provided with locking pins corresponding to the locking seats in a sliding way, and the small sealing door leaf is connected with the door frame and the large sealing door leaf through a second locking driving mechanism when being closed. The utility model discloses a cut off the door and do not rely on electric drive, can adapt to under the emergency and accomplish fast and close.

Description

Interval partition door

Technical Field

The utility model belongs to the technical field of protective door for civil air defense engineering, especially, relate to an interval cuts off door.

Background

The civil air defense is used as an important component of national defense, can be used as a hidden command post and also can be used as an important place for storing materials and equipment, along with the rapid development of national economy and the change of international situation, the national defense construction is continuously strengthened, the subway engineering construction needs to take the civil air defense into consideration, and the combination and the comprehensive utilization of peacetime and war are realized. The urban underground traffic main road is usually used as an urban underground traffic main road and becomes an urban civil air defense evacuation main road, a material storage warehouse, a part to be shielded by personnel or a personnel shielding part in wartime, and the like, so that the safety of the personnel and equipment is ensured, and the comprehensive protection capability, reliability and effectiveness of the whole city are improved. In the subway engineering, in order to not influence the protection function of adjacent stations, closed protection partition doors are arranged in the tunnels between the stations according to requirements, and are arranged at two ends of a section shield on a track, so that the effect of partition protection is achieved, the protection function of other partition doors is not influenced when a certain partition door is damaged in wartime, most of the partition doors adopt electric driving mechanisms at present, and the power failure phenomenon possibly caused by an external power supply is considered in wartime, so that the partition doors cannot be locked in time; if manual locking is adopted, the existing locking mechanism is usually laborious, the purpose of timely locking cannot be achieved, the locking mechanism is slow to open, the structure is relatively complex, the protection tightness is poor, and the normal use is influenced.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an interval cuts off door, the utility model discloses a cut off door does not rely on electric drive, can adapt to under the emergency and accomplish fast and close. In order to achieve the above purpose, the utility model adopts the following technical scheme:

according to one aspect of the present invention, there is provided a sectional partition door, comprising a door frame, a large sealing door leaf, a small sealing door leaf, a pass-through door and a first locking driving mechanism, wherein the door frame is disposed on an inner wall of a subway tunnel, one side of the large sealing door leaf is connected to one side of the door frame through a plurality of hinges, a notch is formed at an upper corner of the large sealing door leaf, the small sealing door leaf is disposed at the notch to seal a gap portion between the large sealing door leaf and the door frame, a bus bar hole is formed in the large sealing door leaf at a side of the notch, a pass-through port is formed at a middle portion of a lower portion of the large sealing door leaf, the pass-through door is disposed at the pass-through port in a sealing and hinging manner, the first locking driving mechanism is fixed to an inner surface of the large sealing door leaf, a second locking driving mechanism is fixed to an inner surface of the small sealing door leaf, a plurality of locking seats are disposed, the two sides of the edge of the inner surface of the large sealing door leaf are provided with lock pins corresponding to the locking seats in a sliding mode, the first locking driving mechanism is in transmission connection with the lock pins, and the small sealing door leaf is connected with the door frame and the large sealing door leaf through the second locking driving mechanism when closed.

In a further preferred embodiment of the above scheme, the first locking driving mechanism includes a first hand wheel, a first worm gear reduction mechanism, a first vertical connecting rod, a second vertical connecting rod, a horizontal guide rod, a reversing component and a horizontal branch connecting rod, the first vertical connecting rod is vertically fixed in the middle of the inner surface of the large sealed door leaf, the second vertical connecting rod is arranged at the edges of the left and right sides of the large sealed door leaf, a plurality of locking pin seats arranged from top to bottom are horizontally arranged at the outer sides of the second vertical connecting rod at the edges of the left and right sides of the large sealed door leaf, and the locking pin is arranged in each locking pin seat; reversing components are arranged at the upper end and the lower end close to the first vertical connecting rod, the first hand wheel and the first worm gear speed reducing mechanism are arranged between the two reversing components and close to the lower end of the first vertical connecting rod, the torque output end of the first hand wheel is in transmission connection with the torque input end of the first worm gear speed reducing mechanism through a worm, the torque output end of the first worm gear speed reducing mechanism is in transmission connection with the first vertical connecting rod, the horizontal guide rods are arranged on two sides of the upper end and the lower end of the first vertical connecting rod, one end of the horizontal guide rod is in transmission connection with the reversing assembly through the reversing assembly, the other end of the horizontal guide rod is fixedly connected with the second vertical connecting rod, one end of the lock pin in each lock pin seat penetrates out of the locking seat, and the other end of the lock pin in each lock pin seat penetrates out of the lock pin seat and is fixedly connected with the second vertical connecting rod on the corresponding side through the horizontal branch connecting rod. In a further preferred embodiment of the above-mentioned solution, at least two first linear bearings horizontally disposed are sleeved on the horizontal guide rod.

According to the scheme, the reversing assembly comprises a cross-shaped reversing seat and an arc-shaped rotating arm, the reversing seat is embedded into the surface of the large sealing door leaf in a sliding mode, the end portion of the first vertical connecting rod penetrates through the upper end and the lower end of the cross-shaped reversing seat and then is fixedly connected with the cross-shaped reversing seat and the first vertical connecting rod, the middle portion of the arc-shaped rotating arm is rotatably arranged on the surface of the large sealing door leaf, the left end and the right end of the cross-shaped reversing seat are connected with the horizontal guide rod through the arc-shaped rotating arm respectively, and the first vertical connecting rod pushes the cross-shaped reversing seat to slide up and down along the.

According to the scheme, the cross reversing seat is further optimized, the lower sides of the left end and the right end of the cross reversing seat are respectively provided with the limiting blocks extending horizontally, and the second linear bearings arranged in the vertical direction are sleeved on the first vertical connecting rods above and below the cross reversing seat.

According to the scheme, the limiting block is preferably provided with a limiting hole, and the middle of the second linear bearing is provided with a bolt hole.

Above-mentioned scheme is further preferred be provided with busbar sealing device in the busbar hole, be provided with first commutator respectively in the upper and lower marginal outside in busbar hole, be provided with the profile modeling rubber seal piece in busbar sealing device's the left and right sides, be provided with the second commutator respectively in the marginal outside of controlling in busbar hole, the input shaft of first commutator and second commutator has the crank through flange joint, the output shaft of second commutator pass through the lead screw with the transmission of profile modeling rubber seal piece is connected, the output shaft of first commutator pass through the connecting axle with busbar sealing device's shell fixed connection.

According to the scheme, the upper end and the lower end of one side of the large sealing door leaf are preferably provided with a reset component and a bearing component, the upper end and the lower end of one side of the large sealing door leaf are close to the hinge, the door frame is hinged to the large sealing door leaf through the reset component, and the large sealing door leaf is rotatably connected with the door frame through the bearing component.

In a further preferable mode of the above scheme, an inverted L-shaped ladder stand is arranged on the outer surface of the large sealing door leaf and below the small sealing door leaf, and a safety detection device is further arranged on the door frame.

To sum up, because the utility model adopts the above technical scheme, the utility model discloses following technological effect has:

(1) the utility model discloses a cut off door can convenient and fast close and open, cut off door switching operation and all design into manual form, it is rotatory to lead to pulling out the second hand wheel, move the subassembly through first vertical connecting rod drive belt and change to, drive horizontal branch connecting rod after switching-over and speed reduction, insert the lockpin in the block seat, realize cutting off closing of door, the operation of opening the door is then for to the second hand wheel of opposite direction rotation, need not the circular telegram, and when taking place the war, even external power source has a power failure, rely on the manual work in time to block laborsavingly, the operation is light convenient, and the switching speed is fast.

(2) The partition door of the utility model is vertically sealed in the subway tunnel, can be effectively opened and sealed, and can be prevented from being interfered by the busbar sealing device during the sealing operation by arranging the small sealing door leaf and the passing door which are rotatably opened on the large sealing door leaf, is convenient to operate and maintain, can be adapted to quickly finish closing, and has better application prospect,

drawings

Fig. 1 is a schematic back side view of an interval partition door according to the present invention;

fig. 2 is a schematic front view of an interval partition door according to the present invention;

fig. 3 is a schematic view of the installation structure of the bus bar sealing device of the present invention.

Fig. 4 is a schematic structural diagram of the reversing assembly of the present invention.

Fig. 5 is a schematic structural view of the linear bearing of the present invention;

in the drawing, a doorframe 1, a large sealing door leaf 2, a small sealing door leaf 3, a crossing door 4, a busbar hole 5, a first commutator 6, a second commutator 7, an inverted L-shaped ladder 8, a safety detection device 9, a hinge 10, a locking seat 11, a reset component 12, a bearing component 13, a lock pin 20, a lock pin seat 21, a sealing door sill 22, a second hand wheel 30, a second worm gear speed reducing mechanism 31, a horizontal connecting rod 32, a second reversing component 33, a vertical connecting rod 34, a first lock pin seat 35 and a first lock pin 36, a lock catch 40, a busbar sealing device 50, a hand crank 67, a jack 220, a first hand wheel 600, a first worm gear speed reducing mechanism 601, a first vertical connecting rod 602, a second vertical connecting rod 603, a horizontal guide rod 604, a reversing component 605, a horizontal branch connecting rod 606, a first straight line bearing 607, a cross-shaped seat 605a, an arc-shaped rotating arm 605b, a limit block 605c, a limit hole 605d, the bearing seat 6700, the linear bearing body 6701, a bolt 6702, a limit bolt 6703 and a ball 6704.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in further detail below with reference to the accompanying drawings and by referring to preferred embodiments. It should be understood, however, that the numerous specific details set forth in the specification are merely set forth to provide a thorough understanding of one or more aspects of the present invention, which may be practiced without these specific details.

As shown in fig. 1 and 2, the partition door according to the present invention comprises a door frame 1, a large sealing door leaf 2, a small sealing door leaf 3, a cross-over door 4 and a first locking driving mechanism, wherein the door frame 1 is disposed on an inner wall of a subway tunnel, the large sealing door leaf 2 is disposed in the door frame 1, one side of the large sealing door leaf 2 is connected to one side of the door frame 1 through a plurality of hinges 10, a notch is disposed at an upper corner of the large sealing door leaf 2, the small sealing door leaf 3 is disposed at the notch to seal a gap portion between the large sealing door leaf 2 and the door frame 1, a bus bar hole 5 is disposed on the large sealing door leaf 2 at a side of the notch, a through opening is disposed at a middle of a lower portion of the large sealing door leaf 2, the cross-over door 4 is disposed at the through opening in a sealing manner, one side of the cross-over door 4 is hinged to the large sealing door leaf 2 through a hinge, the other side of the crossing door 4 is buckled through a lock catch 40, and maintenance personnel can generally enter the subway tunnel through the crossing door 4, so that the maintenance of the whole partition door is facilitated; the inner surface of the large sealing door leaf 2 is fixed with the first locking driving mechanism, the inner surface of the small sealing door leaf 3 is fixed with the second locking driving mechanism, the edges of the two sides of the inner surface of the door frame 1 are provided with a plurality of locking seats 11, the two sides of the inner surface edge of the large sealing door leaf 2 are slidably provided with lock pins 20 corresponding to the locking seats 11, the first locking driving mechanism is in transmission connection with the lock pins 20, the small sealing door leaf 3 is respectively connected with the door frame 1 and the large sealing door leaf 2 through the second locking driving mechanism when being closed, the first locking driving mechanism is rotated manually to enable the lock pins 20 to be inserted into or separated from the locking seats 11, thereby conveniently closing or opening the whole partition door, in the utility model, a sealing threshold 22 which can be lifted downwards is connected below the door frame 1 (between the side wall of the tunnel and the subway track), the sealing doorsill 22 is of a groove-shaped structure and is meshed with two sides of the lower end of the large sealing door leaf 2, the sealing doorsill 22 is connected and arranged in the bottom of the tunnel through a jack 220, the jack 220 is a screw jack, when the subway runs, the sealing doorsill 22 is flush with the lower side of the subway track, when the large sealing door leaf 2 is closed to seal, the sealing doorsill 22 extends upwards from the bottom of the tunnel through the jack 220 to be in close contact with the lower end of the large sealing door leaf 2, so that the bottom end of the large sealing door leaf 2 is further sealed, and meanwhile, the sealing doorsill 22 is well sealed with the combination of the subway track, the tunnel and the large sealing door leaf 2. When the subway train normally passes, the sealing doorsill is only required to be retracted into the bottom of the tunnel by the jack, and the jacking sealing doorsill of the jack is arranged at the bottom end of the large sealing door leaf 2, so that the hinge of the large sealing door leaf 2 and the load of the bearing component 13 can be greatly reduced.

As shown in fig. 3, a bus bar sealing device 50 is arranged in the bus bar hole 5, a first commutator 6 is respectively arranged at the outer sides of the upper edge and the lower edge of the bus bar hole 5, profiling rubber sealing blocks 51 are arranged at the left side and the right side of the bus bar sealing device 50, a second commutator 7 is respectively arranged at the outer sides of the left edge and the right edge of the bus bar hole 5, input shafts of the first commutator 6 and the second commutator 7 are connected with a crank 67 through flanges, an output shaft of the second commutator 7 is in transmission connection with the profiling rubber sealing blocks 51 through a screw rod 70, an output shaft of the first commutator 7 is fixedly connected with a shell of the bus bar sealing device 50 through a connecting shaft, when the bus bar sealing device 50 is not started, the profiling rubber sealing blocks 51 are far away from the shell of the bus bar sealing device 50 for ventilation by shaking the crank 67, when sealing is required, the crank 67 is shaken to enable the profiling rubber sealing block 51 to be in contact with the shell of the busbar sealing device 50 and be airtight, so that the busbar sealing device 50 can be well sealed during operation, and the first commutator 6 and the busbar sealing device 50 are further positioned and fixed by shaking the crank 67 so as not to shake during operation; the upper end and the lower end of one side of the large sealed door leaf 2 and the position close to the hinge 10 are also provided with a reset component 12 and a bearing component 13, when the large sealed door leaf 2 is pushed to be opened, the large sealed door leaf 2 is driven under the driving action of the reset component 12, so that the door leaf is opened in a labor-saving manner, the self mass of the partition door is heavier, the stress of the hinge is reduced by arranging the weighing component, the door frame 1 is hinged with the large sealed door leaf 2 through the reset component 12, and the large sealed door leaf 2 is rotatably connected with the door frame 1 through the bearing component 13. An inverted L-shaped ladder stand 8 for overhauling is arranged on the outer surface of the large sealing door leaf 2 and below the small sealing door leaf 3, so that maintainers can conveniently reach the upper part of the large sealing door leaf 2 through the inverted L-shaped ladder stand 8 to overhaul the busbar sealing device 50 and the small sealing door leaf 3, a safety detection device 9 is also arranged on the door frame 1, the safety detection device 9 is arranged in the door frame 1 and used for detecting whether the large sealing door leaf 2 is closed to a specific specified position, the safety detection device 9 is a travel switch (touch switch) or a pressure sensor, when the door is closed, the safety detection device 9 is touched, the jack 220 extends out and pushes the sealing doorsill 22 to extend upwards, namely, the jack 220 extends upwards from the bottom of the tunnel to enable the lower end of the large sealing door leaf 2 to be in close contact with and be bitten between subway rails and two sides of the lower end of the large sealing door leaf 2 between the subway rails and the tunnel, so that the bottom end of the large sealing door leaf 2 is further sealed.

Referring to fig. 1 and 2, the first locking driving mechanism includes a first handwheel 600, a first worm gear reduction mechanism 601, a first vertical connecting rod 602, a second vertical connecting rod 603, a horizontal guide rod 604, a reversing assembly 605 and a horizontal branch connecting rod 606, the first vertical connecting rod 602 is vertically fixed in the middle of the inner surface of the large sealed door leaf 2, the second vertical connecting rod 603 is disposed at the edges of the left and right sides of the large sealed door leaf 2, a plurality of locking pin bases 21 arranged from top to bottom are horizontally disposed at the outer sides of the second vertical connecting rod 603 at the edges of the left and right sides of the large sealed door leaf 2, and the locking pin 20 is disposed in each locking pin base 21; reversing components 605 are arranged at the upper end and the lower end close to the first vertical connecting rod 602, the first handwheel 600 and the first worm gear speed reducing mechanism 601 are arranged between the two reversing components 605 and close to the lower end of the first vertical connecting rod 602, the torque output end of the first handwheel 600 is in transmission connection with the torque input end of the first worm gear speed reducing mechanism 601 through a worm, the torque output end of the first worm gear speed reducing mechanism 601 is in transmission connection with the first vertical connecting rod 602, horizontal guide rods 604 are arranged at the two sides of the upper end and the lower end of the first vertical connecting rod 602, one end of each horizontal guide rod 604 is in transmission connection with the reversing component 605 through the reversing component 605, the other end of each horizontal guide rod 604 is fixedly connected with the second vertical connecting rod 603, one end of the lock pin 20 in each lock pin seat 21 penetrates out of the locking seat 11, the other end of the lock pin 20 in each lock pin seat 21 penetrates out of the lock pin seat 21 and then respectively penetrates out of the lock pin seat 21 and then The vertical connecting rods 603 are fixedly connected; when the first handwheel 600 is manually rotated, because the first handwheel 600 is connected with the first worm gear speed reducing mechanism 601 through the worm, at this time, the first worm gear speed reducing mechanism 601 (worm reducer) also rotates correspondingly, so that the first vertical connecting rod 602 slides back and forth along the vertical direction of the large sealing door leaf 2, and then slides back and forth along the horizontal direction through the horizontal guide rod 604 connected with the two ends of the reversing component 605, the second vertical connecting rod 603 correspondingly connected with the horizontal guide rod 604 drives the lock pin 20 connected with the corresponding horizontal branch connecting rod 606 to extend out of or retract from the lock pin seat 21, so that the lock pin can be inserted into or separated from the corresponding lock seat 11, and the large sealing door leaf 2 can be closed or opened. At least two first linear bearings 607 horizontally arranged are sleeved on the horizontal guide rod 604, the reversing assembly 605 comprises a cross-shaped reversing seat 605a and an arc-shaped rotating arm 605b, as shown in fig. 4, the reversing seat 605a is embedded in the surface of the large sealing door leaf 2 in a sliding manner, the end of the first vertical connecting rod 602 penetrates through the upper end and the lower end of the cross-shaped reversing seat 605a, the cross-shaped reversing seat 605a is fixedly connected with the first vertical connecting rod 602, the first vertical connecting rod 602 is welded and fixed along the upper end and the lower end of the cross-shaped reversing seat 605a and slides along the cross-shaped reversing seat 605a, second linear bearings 608 vertically arranged are sleeved on the first vertical connecting rod 602 above and below the cross-shaped reversing seat 605a, horizontally extending limiting blocks c are respectively arranged on the lower sides of the left end and the right end of the cross-shaped reversing seat 605a, limiting holes 605d are arranged on the limiting blocks 605c, a bolt hole 608a is arranged in the middle of the second linear bearing 608, the two linear bearings not only play a role of guiding but also reduce the friction force of the first vertical connecting rod 602 in the moving process when the horizontal guide rod 604 horizontally slides left and right in the first linear bearing 607 and the first vertical connecting rod 602 vertically slides up and down in the second linear bearing 608, the first linear bearing 607 and the second linear bearing 608 have the same structure and comprise a bearing seat 6700 and a linear bearing body 6701 arranged on the bearing seat 6700, as shown in fig. 5, the bearing seat 6700 is fixed on the large sealing door leaf 2 through a bolt 6702, a limit bolt 6703 penetrating into the linear bearing body 6701 is arranged at the top end of the linear bearing body 6701, and when the first vertical connecting rod 602 or the horizontal guide rod 604 passes through the linear bearing body 6701, the limit bolt is in rolling contact with a ball 6704 on the bottom wall of the linear bearing body 6701, when the first vertical link 602 or the horizontal guide 604 moves and slides (rolls) on the ball 6704, and the first vertical link 602 and the horizontal guide 604 slide until the lock pin 20 is inserted into or removed from the corresponding locking seat 11, the first vertical link 602 and the horizontal guide 604 are fixed by the limit bolt 6703, so that the whole first locking driving mechanism does not move due to gravity after being locked or unlocked. When the cross-shaped reversing seat 605a slides up and down on the surface of the large sealing door leaf 2 under the driving of the first vertical connecting rod 602 and plays a role of guiding the reciprocating movement of the first vertical connecting rod 602, the middle part of the arc-shaped rotating arm 605b is rotatably arranged on the surface of the large sealing door leaf 2, when the cross-shaped reversing seat 605a slides up and down, the arc-shaped rotating arm 605b rotates clockwise or anticlockwise by taking the middle part as a center, the left and right ends of the cross-shaped reversing seat 605a are respectively connected with the horizontal guide rod 604 through the arc-shaped rotating arm 605b, the left and right ends of the cross-shaped reversing seat 605a are respectively connected with the arc-shaped rotating arm 605b, one end of the arc-shaped rotating arm 605b is fixedly connected with the cross-shaped reversing seat 605a, the other end of the cross-shaped reversing seat 605a is hinged with the horizontal guide rod 604, when the first vertical connecting rod 602 pushes the cross-, the two ends of the cross-shaped reversing seat 605a respectively drive the corresponding arc-shaped rotating arms 605b to rotate around the middle part, at this time, on the left side of the first vertical connecting rod 602, the arc-shaped rotating arm 605b at the left end of the cross-shaped reversing seat 605a drives the horizontal guide rod 604 to horizontally move towards one side of the first vertical connecting rod 602, on the right side of the first vertical connecting rod 602, the arc-shaped rotating arm 605b at the right end of the cross-shaped reversing seat 605a drives the horizontal guide rod 604 to horizontally move towards one side of the first vertical connecting rod 602, the second vertical connecting rod 603 at the two side edges of the large sealing door leaf 2 drives the lock pin 20 connected with the horizontal branch connecting rod 606 to leave from the lock pin seat 21, thereby realizing the unlocking operation, when the cross-shaped reversing seat 605a slides upwards for a certain distance and then carries out the locking operation, the arc-shaped rotating arms 605a at the two sides will touch the limit, the cross-shaped reversing seat 605a has the function of limiting the sliding stroke, and the screw is inserted into the limiting hole 605d on the limiting block 605c, so that the cross-shaped reversing seat 605a is positioned on the large sealing door leaf 2. Similarly, when the first vertical connecting rod 602 pushes the cross-shaped reversing seat 605a to slide downwards along the surface of the large sealing door leaf 2, two ends of the cross-shaped reversing seat 605a respectively drive the corresponding arc-shaped rotating arms 605b to rotate around the middle part, at this time, on the left side, the arc-shaped rotating arm 605b on the left side drives the horizontal guide rod 604 on the left side to move horizontally away from one side of the first vertical connecting rod 602, the arc-shaped rotating arm 605b on the right side drives the horizontal guide rod 604 on the right side to move horizontally away from one side of the first vertical connecting rod 602, and the second vertical connecting rod 603 drives the lock pin 20 connected with the horizontal branch connecting rod 606 to extend into the lock pin seat 21, thereby realizing.

In the utility model, as shown in fig. 2, the second locking driving mechanism includes a second hand wheel 30, a second worm gear speed reducing mechanism 31, a horizontal connecting rod 32, a second reversing component 33, a vertical connecting rod 34, a first locking pin seat 35 and a first locking pin 36, the second hand wheel 30 and the second worm gear speed reducing mechanism 31 are arranged at the center of the inner surface of the small sealing door leaf 3, the torque output end of the second hand wheel 30 is connected with the torque input end of the second worm gear speed reducing mechanism 31 through a worm in a transmission manner, the horizontal connecting rod 32 is horizontally fixed at the middle part of the inner surface of the small sealing door leaf 3, the torque output end of the second worm gear speed reducing mechanism 31 is connected with the horizontal connecting rod 32 in a transmission manner, the structure of the second reversing component 33 is the same as that of the reversing component 605, but the size is different, one or more than two vertical connecting rods 34 that are perpendicular to the horizontal connecting rod 32 are vertically arranged on the small sealing door leaves 3 on the left and right sides of, the horizontal connecting rod 32 is in transmission connection with the vertical connecting rod 34 through the second reversing component 33, the end of the vertical connecting rod 34 is provided with the first lock pin seat 35, one end of the first lock pin 36 in each first lock pin seat 35 penetrates out, the other end of the first lock pin 36 in each first lock pin seat 35 penetrates out from the first lock pin seat 35 and then is fixedly connected with the vertical connecting rod 34 on the corresponding side, the first lock pin 36 extends out from the first lock pin seat 35 and then is inserted into the lock seats on the door frame 1 and the large sealing door leaf 2, so that the small sealing door leaf 3 is closed, when the second hand wheel 30 is rotated, the second worm gear speed reducing mechanism 31 (worm gear reducer) drives the horizontal connecting rod 32 to slide leftwards, the horizontal connecting rod 32 drives the second reversing component 33 to rotate so as to drive the first lock pin seat 35 connected with the vertical connecting rod 34 to leave the lock seats on the door frame 1 and the large sealing door leaf 2, thereby can inwards or outwards push away little sealed door leaf 3 (the same or opposite with the direction that big sealed door leaf 2 was opened), thereby realized the operation of unblanking, the utility model discloses set up little sealed door leaf 3 inwards or outwards pushed away on big sealed door leaf 2, make it can not receive the interference of the 50 works of busbar sealing device when sealed operation, ensure the sealed effect of cutting off in the subway tunnel, second shutting actuating mechanism does not rely on electric drive moreover, closes or opens through the manual work, also comparatively laborsaving.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.

Claims

1. An interval cuts off door which characterized in that: the subway tunnel door comprises a door frame (1), a large sealing door leaf (2), a small sealing door leaf (3), a cross door (4) and a first locking driving mechanism, wherein the door frame (1) is arranged on the inner wall of a subway tunnel, one side of the large sealing door leaf (2) is connected with one side of the door frame (1) through a plurality of hinge leaves (10), a notch is arranged at the upper corner of the large sealing door leaf (2), the small sealing door leaf (3) is arranged at the notch to seal the notch part between the large sealing door leaf (2) and the door frame (1), a bus bar hole (5) is arranged on the large sealing door leaf (2) on the side surface of the notch, a cross opening is arranged in the middle of the lower part of the large sealing door leaf (2), the cross door (4) is in a sealing and hinged mode and is arranged at the cross opening, the first locking driving mechanism is fixed on the inner surface of the large sealing door leaf (2), and a second locking driving mechanism is fixed on the inner surface of the small sealing door leaf (3, the door frame is characterized in that a plurality of locking seats (11) are arranged on the edges of two sides of the inner surface of the door frame (1), locking pins (20) corresponding to the locking seats (11) are arranged on two sides of the edge of the inner surface of the large sealing door leaf (2) in a sliding mode, the first locking driving mechanism is in transmission connection with the locking pins (20), and the small sealing door leaf (3) is connected with the door frame (1) and the large sealing door leaf (2) through the second locking driving mechanism when being closed.

2. A section divider door according to claim 1, wherein: the first locking driving mechanism comprises a first hand wheel (600), a first worm gear speed reducing mechanism (601), a first vertical connecting rod (602), a second vertical connecting rod (603), a horizontal guide rod (604), a reversing assembly (605) and a horizontal branch connecting rod (606), the first vertical connecting rod (602) is vertically fixed in the middle of the inner surface of the large sealing door leaf (2), the second vertical connecting rod (603) is arranged at the edges of the left side and the right side of the large sealing door leaf (2), a plurality of locking pin seats (21) arranged from top to bottom are horizontally arranged on the outer sides of the second vertical connecting rod (603) at the edges of the left side and the right side of the large sealing door leaf (2), and the locking pin (20) is arranged in each locking pin seat (21); reversing components (605) are arranged at the upper end and the lower end close to a first vertical connecting rod (602), a first hand wheel (600) and a first worm gear speed reducing mechanism (601) are arranged between the two reversing components (605) and close to the lower end of the first vertical connecting rod (602), the torque output end of the first hand wheel (600) is in transmission connection with the torque input end of the first worm gear speed reducing mechanism (601) through a worm, the torque output end of the first worm gear speed reducing mechanism (601) is in transmission connection with the first vertical connecting rod (602), horizontal guide rods (604) are arranged at the two sides of the upper end and the lower end of the first vertical connecting rod (602), one end of each horizontal guide rod (604) is in transmission connection with the reversing component (605) through the reversing component (605), and the other end of each horizontal guide rod (604) is fixedly connected with a second vertical connecting rod (603), one end of the lock pin (20) in each lock pin seat (21) penetrates out of the locking seat (11), and the other end of the lock pin (20) in each lock pin seat (21) penetrates out of the lock pin seat (21) and is fixedly connected with the second vertical connecting rod (603) on the corresponding side through the horizontal branch connecting rod (606).

3. A section divider door according to claim 2, wherein: at least two first linear bearings (607) which are horizontally arranged are sleeved on the horizontal guide rod (604).

4. A section divider door according to claim 2, wherein: the reversing assembly (605) comprises a cross reversing seat (605a) and an arc-shaped rotating arm (605b), the end part of the first vertical connecting rod (602) penetrates through the upper end and the lower end of the cross reversing seat (605a) and then is fixedly connected with the cross reversing seat (605a) and the first vertical connecting rod (602), the middle part of the arc-shaped rotating arm (605b) is rotatably arranged on the surface of the large sealing door leaf (2), the left end and the right end of the cross reversing seat (605a) are respectively connected with a horizontal guide rod (604) through the arc-shaped rotating arm (605b), and the first vertical connecting rod (602) pushes the cross reversing seat (605a) to slide up and down along the surface of the large sealing door leaf (2).

5. A section divider door according to claim 4, wherein: the lower sides of the left end and the right end of the cross-shaped reversing seat (605a) are respectively provided with a limiting block (605c) which horizontally extends out, and a second linear bearing (608) which is arranged along the vertical direction is sleeved on a first vertical connecting rod (602) above and below the cross-shaped reversing seat (605 a).

6. A section divider door according to claim 5, wherein: a limiting hole (605d) is formed in the limiting block (605c), and a bolt hole (608a) is formed in the middle of the second linear bearing (608).

7. A section divider door according to claim 1, wherein: be provided with busbar sealing device (50) in busbar hole (5), be provided with first commutator (6) respectively in the upper and lower marginal outside in busbar hole (5), be provided with profile modeling rubber seal block (51) in the left and right sides of busbar sealing device (50), be provided with second commutator (7) respectively in the marginal outside of controlling in busbar hole (5), the input shaft of first commutator (6) and second commutator (7) has crank (67) through flange joint, the output shaft of second commutator (7) pass through lead screw (70) with profile modeling rubber seal block (51) transmission is connected, the output shaft of first commutator (6) pass through the connecting axle with the shell fixed connection of busbar sealing device (50).

8. A section divider door according to claim 1, wherein: the upper end and the lower end of one side of the large sealing door leaf (2) and the position close to the hinge (10) are further provided with a reset component (12) and a bearing component (13), the door frame (1) is hinged with the large sealing door leaf (2) through the reset component (12), and the large sealing door leaf (2) is rotatably connected with the door frame (1) through the bearing component (13).

9. A section divider door according to claim 1, wherein: an inverted L-shaped ladder (8) is arranged on the outer surface of the large sealing door leaf (2) and below the small sealing door leaf (3), and a safety detection device (9) is further arranged on the door frame (1).