CN211448381U

CN211448381U - People's air defense cuts off door structure

Info

Publication number: CN211448381U
Application number: CN201922414382.3U
Authority: CN
Inventors: 姜建锋
Original assignee: Shanghai Huifeng Civil Air Defense Engineering Equipment Co ltd
Current assignee: Shanghai Huifeng Civil Air Defense Engineering Equipment Co ltd
Priority date: 2019-12-25
Filing date: 2019-12-25
Publication date: 2020-09-08
Anticipated expiration: 2029-12-25

Abstract

The utility model relates to a people's air defense cuts off door structure, it includes the door leaf, the below of door leaf is provided with and is used for the butt at door leaf surface and subaerial sealed roof beam, and sealed roof beam is connected with a plurality of swing arm poles, and swing arm pole one end articulates on the door leaf, and the other end is connected with the connecting rod, and connecting rod one end articulates on the swing arm pole, and the other end rotates and is connected with the crank, and coaxial fixed being provided with the pivot on the crank, the pivot is rotated and is installed on the door leaf, be connected with drive pivot pivoted controlling means in. The utility model discloses have and make things convenient for the staff with the sealed effect of door leaf and ground.

Description

People's air defense cuts off door structure

Technical Field

The utility model belongs to the technical field of a civil air defense door's technique and specifically relates to a civil air defense cuts off door structure is related to.

Background

The civil air defense door is civil air defense equipment for protecting personnel or material equipment in civil air defense engineering from safety when a nuclear weapon, a conventional weapon or a biochemical weapon explodes in wartime, mainly plays a role in preventing shock waves, fragments and toxic gases, and has performance indexes mainly including resistance level and sealing performance. The civil air defense door sill is one of important parts of the civil air defense door and plays roles in bearing the pressure of a door leaf and sealing. For civil air defense projects such as underground garages and the like needing to be provided with access, if the civil air defense threshold is set to be a fixed threshold, the access of vehicles or equipment can be influenced.

In order to omit the arrangement of the doorsill in the prior art, the door leaf is generally required to be arranged into a structure capable of lifting up and down, the door leaf is required to be lifted up in the rotating process of the door leaf, the distance between the door leaf and the ground is kept between 2 cm and 3 cm, then the door leaf is rotated, and when the door leaf is in a closed state, the door leaf is descended downwards, so that the door leaf is pressed on the ground, and the door leaf and the ground are sealed, thereby achieving the anti-virus effect.

However, in the above structure, the door needs to be lifted and lowered at a rotational position, and the weight of the door is relatively large, which makes it difficult to seal the door.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a people's air defense cuts off door structure, it has the effect that makes things convenient for the staff to seal door leaf and ground.

The above object of the present invention is achieved by the following technical solutions:

the utility model provides a people's air defense cuts off door structure, includes the door leaf, the below of door leaf is provided with and is used for the butt at door leaf surface and subaerial sealing beam, and sealing beam is connected with a plurality of swing arm poles, and swing arm pole one end articulates on the door leaf, and the other end is connected with the connecting rod, and connecting rod one end articulates on swing arm pole, and the other end rotates and is connected with the crank, and coaxial fixed being provided with the pivot on the crank, the pivot is rotated and is installed on the door leaf, be connected with drive pivot pivoted controlling means in.

Through adopting above-mentioned technical scheme, during the use, the below of door leaf sets up sealed roof beam, connects the swing arm pole on the sealed roof beam, and when rotating the pivot through controlling device, the pivot drives crank rotation, and during crank rotation, crank drive connecting rod makes connecting rod drive swing arm pole to make sealed roof beam seal door leaf and ground, it is more convenient to operate.

The utility model discloses further set up to: the control device comprises a worm and a worm wheel, the worm wheel is connected with the rotating shaft, the worm is rotatably connected to the door leaf, and the worm is meshed with the worm wheel.

Through adopting above-mentioned technical scheme, worm and worm wheel meshing, the worm is used for driving the worm wheel and rotates, and the worm wheel is connected with the pivot to the worm can drive the worm wheel and rotate, makes the pivot location in optional position, makes sealed roof beam and door leaf and ground sealed effect better.

The utility model discloses further set up to: be provided with the gear train between worm wheel and the pivot, the gear train includes first gear and second gear, first gear and second gear meshing to the number of teeth of first gear is less than the number of teeth of second gear, and first gear and pivot are coaxial fixed, and the second gear is coaxial fixed with the worm wheel.

Through adopting above-mentioned technical scheme, first gear and second gear meshing, the number of teeth of second gear is greater than the number of teeth of first gear, and first gear is coaxial fixed with the pivot to when driving first gear through the second gear, can accelerate the drive to the swing arm pole, reduce the influence of the speed reduction of worm and worm wheel to swing arm pole speed.

The utility model discloses further set up to: the gear sets are two groups, the rotating shafts comprise a first rotating shaft and a second rotating shaft, the gear sets are respectively installed on the first rotating shaft and the second rotating shaft, and at least one swing arm rod is respectively connected to the first rotating shaft and the second rotating shaft.

Through adopting above-mentioned technical scheme, the gear train sets to two sets to install respectively in first pivot and second pivot, reduce the length of pivot, make processing more convenient, be the worm between first pivot and the second pivot simultaneously, make the distance of worm and door leaf closer, the structure is compacter.

The utility model discloses further set up to: the control device further comprises a first bevel gear and a second bevel gear, the worm is vertically arranged, the upper end of the worm is coaxially fixed with the first bevel gear, the second bevel gear is meshed with the first bevel gear, an intermediate shaft is connected to the second bevel gear, and the intermediate shaft is rotatably connected to the door leaf.

Through adopting above-mentioned technical scheme, bevel gear one and bevel gear two mesh make jackshaft horizontal perpendicular to door leaf setting to the vertical setting of worm makes the position of jackshaft more make things convenient for the staff to rotate.

The utility model discloses further set up to: the jackshaft perpendicular to door leaf, the door leaf setting is run through at the both ends of jackshaft, the both ends of jackshaft are located the outside of door leaf and all are provided with a hand wheel.

Through adopting above-mentioned technical scheme, all can rotate the jackshaft in the both sides of door leaf, make the staff can control the sealed roof beam closure in the both sides of door leaf.

The utility model discloses further set up to: the sealing beam comprises a first sealing gasket, a second sealing gasket and a mounting frame, the mounting frame is fixed on the swing arm rod, a U-shaped groove is formed in one end, facing the door body, of the mounting frame, the first sealing gasket is installed in the U-shaped groove and used for sealing the door leaf, and the second sealing gasket is installed on the lower side of the mounting frame and used for sealing the ground.

Through adopting above-mentioned technical scheme, first sealed the pad is installed at the U-shaped inslot, and the sealed downside at the mounting bracket of installing is sealed to the second to make first sealed pad and the sealed pad of second pass through the mounting bracket and install on the swing arm pole.

The utility model discloses further set up to: the first sealing gasket and the second sealing gasket are both made of rubber materials.

Through adopting above-mentioned technical scheme, first sealed pad and second sealed pad are the rubber materials and make, can make first sealed pad and second sealed pad take place the wearing and tearing back, and further rotation by the swing arm pole again can make first sealed pad and second sealed pad reach suitable leakproofness.

To sum up, the utility model discloses a following at least one useful technological effect:

1. the sealing beam is arranged below the door leaf, the swing arm rod is connected to the sealing beam, when the rotating shaft is rotated through the control device, the rotating shaft drives the crank to rotate, and when the crank rotates, the crank drives the connecting rod to drive the swing arm rod, so that the sealing beam seals the door leaf and the ground, and the operation is convenient;

2. the worm is meshed with the worm wheel, the worm is used for driving the worm wheel to rotate, and the worm wheel is connected with the rotating shaft, so that the worm can drive the worm wheel to rotate, the rotating shaft is positioned at any position, and the sealing effect of the sealing beam, the door leaf and the ground is better;

3. through first gear and second gear meshing, the number of teeth of second gear is greater than the number of teeth of first gear, and first gear is coaxial fixed with the pivot to when driving first gear through the second gear, can accelerate the drive to the swing arm pole.

Drawings

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

FIG. 2 is a schematic view of the connection structure of the control device;

FIG. 3 is a schematic view of a connection structure of a first bevel gear and a second bevel gear;

fig. 4 is a schematic structural view of a seal beam.

In the figure, 1, a door leaf; 2. a sealing beam; 21. a first gasket; 22. a second gasket; 23. a mounting frame; 24. a U-shaped groove; 25. mounting grooves; 3. a swing arm lever; 4. a connecting rod; 5. a crank; 6. a rotating shaft; 61. a first rotating shaft; 62. a second rotating shaft; 7. an operating device; 71. a worm; 72. a worm gear; 73. a first bevel gear; 74. a second bevel gear; 75. an intermediate shaft; 76. a hand wheel; 8. a housing; 9. a gear set; 91. a first gear; 92. a second gear.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Referring to fig. 1 and 2, for the civil air defense partition door structure disclosed by the utility model, comprising a door leaf 1, one side of the door leaf 1 is hinged on a wall body, a horizontal ground is arranged below the door leaf 1, a gap is left between the lower surface of the door leaf 1 and the ground, so as to facilitate the rotation of the door leaf 1, in order to seal the door leaf 1 when the door leaf 1 is closed, a sealing beam 2 is connected on the door leaf 1, the sealing beam 2 is arranged at the lower part of the door leaf 1, and the sealing beam 2 can be abutted against the surface of the door leaf 1 and the ground, thereby sealing the space between the door leaf 1 and the ground, a plurality of swing arm rods 3 are connected on the sealing beam 2, one end of each swing arm rod 3 is rotatably connected on the surface of the door leaf 1, the other end is provided with a connecting rod 4, the connecting rod 4 is connected with a crank 5, one end of the connecting rod 4 is rotatably connected on the swing, the rotating shaft 6 is horizontally arranged, and the rotating shaft 6 is rotatably connected to the door leaf 1. Evenly be provided with a plurality of cranks 5 on the length direction of pivot 6, every crank 5 corresponds with a swing arm pole 3, and when pivot 6 rotated, pivot 6 promoted a plurality of cranks 5 simultaneous workings, made sealing beam 2 evenly press subaerial or keep away from ground under the effect of a plurality of swing arm poles 3.

Referring to fig. 2 and 3, the rotating shaft 6 is connected with the control device 7, the control device 7 comprises a worm 71, a worm gear 72, a first bevel gear 73 and a second bevel gear 74, the worm 71 is vertically arranged, the worm 71 is rotatably connected to the door leaf 1, the upper end of the worm 71 is coaxially fixed with the first bevel gear 73, the lower end of the worm 71 is meshed with the worm gear 72, the second bevel gear 74 is connected with an intermediate shaft 75, and the position of the intermediate shaft 75 is at the same height as the locking structure of the door leaf 1, so that a worker can conveniently rotate the intermediate shaft 75. The intermediate shaft 75 is perpendicular to the door leaf 1, and the both ends of the intermediate shaft 75 all run through the door leaf 1, and the intermediate shaft 75 rotates and connects on the door leaf 1, and be provided with a hand wheel 76 respectively at the both ends of intermediate shaft 75, make things convenient for the staff to rotate the hand wheel 76 and make the intermediate shaft 75 rotate, bevel gear 73 and bevel gear 74 mesh, and the intermediate shaft 75 is coaxial fixed with bevel gear 74, and bevel gear 74 drives bevel gear 73 and rotates, and bevel gear 73 drives worm 71 and rotates, and the lower extreme of worm 71 drives worm wheel 72 and rotates. The worm wheel 72 is connected with the rotating shaft 6, so that the rotating shaft 6 is driven to rotate through the worm wheel 72, and meanwhile, the worm wheel 72 on the rotating shaft 6 cannot push the worm 71 to rotate, so that the sealing beam 2 can be fixed at the best position of the sealing ground and the door leaf 1 under the action of the worm 71 and the worm wheel 72.

Referring to fig. 1 and 2, a housing 8 is fixedly provided on the door leaf 1, a worm wheel 72 is rotatably coupled to the housing 8, a gear set 9 is respectively arranged at two ends of the worm wheel 72, the gear set 9 comprises a first gear 91 and a second gear 92, the two second gears 92 are coaxially fixed on the worm wheel 72, when the worm wheel 72 rotates, the two second gears 92 rotate synchronously, the number of teeth of the second gears 92 is greater than that of the first gears 91, the rotating shaft 6 comprises a first rotating shaft 61 and a second rotating shaft 62, the first rotating shaft 61 and the second rotating shaft 62 are both rotatably connected to the door leaf 1, the center lines of the first rotating shaft 61 and the second rotating shaft 62 are positioned on the same straight line, the gear group 9 is connected between the first rotating shaft 61 and the second rotating shaft 62, and two first gears 91 are respectively fixed with the first rotating shaft 61 and the second rotating shaft 62 coaxially, the first gears 91 are meshed with the second gears 92, and at least one swing arm rod 3 is arranged on the first rotating shaft 61 and the second rotating shaft 62.

Referring to fig. 4, the sealing beam 2 includes a first sealing gasket 21, a second sealing gasket 22 and a mounting bracket 23, the first sealing gasket 21 and the second sealing gasket 22 are made of rubber materials, the first sealing gasket 21 and the second sealing gasket 22 made of rubber can be sealed with the ground or the door leaf 1 after being extruded and deformed, and after the first sealing gasket 21 and the second sealing gasket 22 are worn, the sealing beam 2 can be further rotated, so that the first sealing gasket 21 and the second sealing gasket 22 can seal the surface of the door leaf 1 and the ground. The mounting bracket 23 is fixed on the swing arm rod 3, the mounting bracket 23 is provided with a U-shaped groove 24 towards one end of the door body, the first sealing gasket 21 is installed in the U-shaped groove 24 and used for sealing on the door leaf 1, a mounting groove 25 is arranged on the lower portion of the mounting bracket 23, an opening below the mounting groove 25 is a necking hole, the second sealing gasket 22 is installed in the mounting groove 25, and the second sealing gasket 22 is installed on the lower side of the mounting bracket 23 and used for sealing on the ground.

The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims

1. The utility model provides a people's air defense cuts off door structure, includes door leaf (1), its characterized in that: the door leaf is characterized in that a sealing beam (2) which is used for being abutted to the surface of the door leaf (1) and the ground is arranged below the door leaf (1), the sealing beam (2) is connected with a plurality of swing arm rods (3), one end of each swing arm rod (3) is hinged to the door leaf (1), the other end of each swing arm rod is connected with a connecting rod (4), one end of each connecting rod (4) is hinged to the corresponding swing arm rod (3), the other end of each connecting rod (4) is rotatably connected with a crank (5), a rotating shaft (6) is coaxially and fixedly arranged on each crank (5), the rotating shaft (6) is rotatably installed on the door leaf (1), and a control device (7) for.

2. A people air barrier door structure according to claim 1, wherein: the control device (7) comprises a worm (71) and a worm wheel (72), the worm wheel (72) is connected with the rotating shaft (6), the worm (71) is rotatably connected to the door leaf (1), and the worm (71) is meshed with the worm wheel (72).

3. A people air barrier door structure according to claim 2, wherein: be provided with gear set (9) between worm wheel (72) and pivot (6), gear set (9) are including first gear (91) and second gear (92), and first gear (91) and second gear (92) meshing to the number of teeth of first gear (91) is less than the number of teeth of second gear (92), and first gear (91) and pivot (6) coaxial fixed, and second gear (92) and worm wheel (72) coaxial fixed.

4. A people air barrier door structure according to claim 3, wherein: the gear sets (9) have two sets, and pivot (6) are including first pivot (61) and second pivot (62), install a gear set (9) respectively on first pivot (61) and the second pivot (62), connect one swing arm pole (3) respectively at least on first pivot (61) and the second pivot (62).

5. A people air break door structure according to any of claims 2-4, characterized in that: the operating device (7) further comprises a first bevel gear (73) and a second bevel gear (74), the worm (71) is vertically arranged, the upper end of the worm (71) is coaxially fixed with the first bevel gear (73), the second bevel gear (74) is meshed with the first bevel gear (73), an intermediate shaft (75) is connected to the second bevel gear (74), and the intermediate shaft (75) is rotatably connected to the door leaf (1).

6. The people's air defense partition door structure of claim 5, wherein: the middle shaft (75) is perpendicular to the door leaf (1), two ends of the middle shaft (75) penetrate through the door leaf (1) and are arranged, and hand wheels (76) are arranged at two ends of the middle shaft (75) and located outside the door leaf (1).

7. A people air barrier door structure according to claim 1, wherein: sealed roof beam (2) are including first sealed pad (21), the sealed pad (22) of second and mounting bracket (23), and mounting bracket (23) are fixed on swing arm pole (3), and mounting bracket (23) are provided with U-shaped groove (24) towards the one end of the door body, first sealed pad (21) are installed and are used for sealing up on door leaf (1) in U-shaped groove (24), and the sealed downside of installing mounting bracket (23) of the sealed pad (22) of second is used for sealing up subaerial.

8. The people air defense partition door structure of claim 7, wherein: the first sealing gasket (21) and the second sealing gasket (22) are both made of rubber materials.