CN212354398U - Helicopter straight-row door - Google Patents
Helicopter straight-row door Download PDFInfo
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- CN212354398U CN212354398U CN202021894485.0U CN202021894485U CN212354398U CN 212354398 U CN212354398 U CN 212354398U CN 202021894485 U CN202021894485 U CN 202021894485U CN 212354398 U CN212354398 U CN 212354398U
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Abstract
A helicopter straight-line door comprises a bottom plate, hinge seats, an electric push rod, a main hinge, a door plate and a door frame, wherein the hinge seats are fixed on the bottom plate and the door plate; the door frame is fixedly connected to the bottom plate, drain holes are formed in the door frame and the bottom plate, and the door plate can be tightly pressed on the door frame by starting the electric push rod to seal the door frame. Electric putter can open the door plant fast to make fire water tank can quick drainage, can seal the fire water tank fast again. The fire-fighting water tank of the helicopter can quickly discharge water to perform a fire extinguishing function when the door plate is opened, and can prevent fire-fighting liquid or water in the fire-fighting water tank from flowing out when the door plate is closed.
Description
Technical Field
The utility model relates to a general aviation service field, concretely relates to drainage device on helicopter fire water tank.
Background
Along with the development of urban economy, high-rise buildings and super high-rise buildings are more and more, and at present, the high-rise buildings in China are developing towards the modernization, large-scale and multi-functionalization directions. According to the prior art, urban fire fighting mainly aims at ground fire fighting, but for super high-rise buildings with the height of more than 100 meters, the traditional fire fighting and elevating fire extinguishing equipment cannot meet the actual demand.
In order to remove the limit of ground fire-fighting equipment on height and fully utilize air resources, the scheme provides a whole set of fire-fighting equipment additionally arranged on the helicopter according to the existing helicopter platform and the self external load characteristic of the helicopter, so that ground fire fighting is converted into air fire fighting without being influenced by height. In order to ensure safety, a fire water tank system installed on a helicopter needs to quickly and massively discharge water in a water tank in emergency situations or forest fire fighting and extinguishing processes, and an emergency drainage device needs to be arranged at the bottom of the water tank.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is: how to set up urgent drainage device on helicopter aviation emergency fire water tank makes fire water tank can quick drainage, can seal to the fire water tank fast again.
The needle is with above-mentioned problem, the utility model provides a technical scheme is: a helicopter straight-line door comprises a bottom plate, hinge seats, an electric push rod, a main hinge, a door plate and a door frame, wherein the hinge seats are fixed on the bottom plate and the door plate; the door frame is fixedly connected to the bottom plate, drain holes are formed in the door frame and the bottom plate, and the door plate can be tightly pressed on the door frame by starting the electric push rod to seal the door frame.
Preferably, the main hinge comprises a chain body, a front chain rod and a rear chain rod, the front chain rod and the rear chain rod are bent metal rods, the chain body is arranged between the front chain rod and the rear chain rod, and the chain body, the front chain rod and the rear chain rod are integrally formed.
Preferably, the lower end of the chain body is integrally formed with the front chain rod and the rear chain rod, and the upper end of the chain body is provided with an opening, so that a structure with two protruding sides is formed at the upper end of the chain body, and the protruding parts at the two sides of the upper end of the chain body are further provided with through mounting holes.
Preferably, a through mounting hole is formed in one end, far away from the chain body, of the front chain rod, a through mounting hole is formed in the bent part and one end, far away from the chain body, of the rear chain rod, the front chain rod is hinged to the hinge seat on the door plate through the mounting hole, and the rear chain rod is hinged to the hinge seat on the bottom plate through the mounting hole, far away from one end of the chain body.
Preferably, the main hinge further comprises a small hinge, the rear chain rod is hinged to one end of the small hinge through a mounting hole in a bending position, and the other end of the small hinge is hinged to a hinge seat on the door panel.
Preferably, the electric push rod comprises a telescopic rod and a connecting rod, the telescopic rod is arranged at the front end of the electric push rod, the connecting rod is fixed at the rear end of the electric push rod, and the connecting rod is hinged on the hinge seat of the bottom plate; the telescopic rod is provided with a through mounting hole, and the pin shaft penetrates through the mounting holes at the two sides of the upper end of the chain body and the mounting holes on the telescopic rod to hinge the telescopic rod and the chain body together.
Preferably, the hinge seat comprises a seat body and a convex block, two convex blocks are fixed on the seat body, a gap is arranged between the two convex blocks, and the two convex blocks are provided with through mounting holes; the connecting rod of the electric push rod is also provided with a through mounting hole, and the pin shaft penetrates through the two lugs and the mounting hole on the connecting rod to hinge the electric push rod on the hinge seat of the bottom plate.
Preferably, the door frame comprises a frame bottom and a frame edge, the frame bottom is fixed on the bottom plate, the frame edge is an annular body, and the frame edge is integrally formed on the outer edge of the frame bottom; the frame bottom is provided with a drain hole penetrating through the frame bottom, and the bottom plate is provided with a drain hole matched with the drain hole of the frame bottom in size, shape and position.
Preferably, a rubber gasket is fixed on the frame bottom, and when the straight row door is closed, the door plate is pressed on the rubber gasket of the frame bottom to seal the door frame.
The utility model has the beneficial technical effects that: one ends of the main hinge and the electric push rod are hinged to the bottom plate, the other ends of the main hinge and the electric push rod are hinged to the door plate, and the door frame is fixedly connected to the bottom plate. Start electric putter and can compress tightly the door plant on the door frame, seal the drain hole department of door frame, reach the effect that straight row door was opened fast and was closed to make fire water tank can quick drainage, can seal the fire water tank fast again. The fire-fighting water tank of the helicopter can discharge water emergently when the fire is not extinguished, and the effect of quickly extinguishing the fire is achieved.
Drawings
FIG. 1 is a schematic perspective view illustrating an opened inline door according to an embodiment;
FIG. 2 is a schematic perspective view of a closed inline door according to an embodiment;
FIG. 3 is a schematic perspective view of a bottom plate, a hinge base and a door frame according to an embodiment;
FIG. 4 is a schematic perspective view of a main hinge according to an embodiment;
FIG. 5 is a perspective view of a small hinge according to an embodiment;
FIG. 6 is an enlarged perspective view of the hinge base according to the first embodiment;
FIG. 7 is a schematic perspective view of the installation of the inline door of the first embodiment in the bottom of the tank of a helicopter;
in the figure: 1 electric push rod, 11 telescopic rods, 12 connecting rods, 2 main hinges, 21 chain bodies, 22 front chain rods, 23 rear chain rods, 3 bottom plates, 4 door plates, 5 hinge seats, 51 seat bodies, 52 convex blocks, 6 small hinges, 61 chain plates, 62 chain ribs, 7 door frames, 71 frame bottoms, 72 frame rods, 73 frame edges, 8 drain holes and 9 water tanks.
Detailed Description
The invention is further described below with reference to the following examples and figures:
example one
As shown in fig. 1, 2 and 6, the inline door of the helicopter mainly comprises a bottom plate 3, a hinge base 5, an electric push rod 1, a main hinge 2, a door plate 4 and a door frame 7. The hinge seats 5 and the door frame 7 are fixedly connected to the bottom plate 3, the door panel 4 is also fixedly connected with the hinge seats 5, the number of the hinge seats 5 on the bottom plate 3 and the number of the hinge seats 5 on the door panel 4 are 4, the centers of every 4 hinge seats 5 are connected by line segments, the connecting line is rectangular, namely, every 4 hinge seats 5 are distributed at the position of a rectangular vertex angle. The inline door in this embodiment includes an opening and closing mechanism of the inline door formed by two sets of the electric push rod 1 and the main hinge 2.
The hinge base 5 comprises a base body 51 and a projection 52, wherein the base body 51 is fixed with two projections 52, a gap is arranged between the two projections 52, and the two projections 52 are provided with through mounting holes. The bottom of the electric push rod 1 is provided with a connecting rod 12, the connecting rod 12 is also provided with a through mounting hole, and a pin shaft penetrates through the two lugs 52 and the mounting hole on the connecting rod 12 to hinge the electric push rod 1 on the hinge seat 5 of the bottom plate 3.
As shown in fig. 1, 2 and 4, the main hinge 2 includes a chain body 21, a front chain bar 22 and a rear chain bar 23, the front chain bar 22 and the rear chain bar 23 are both bent metal bars, the chain body 21 is disposed between the front chain bar 22 and the rear chain bar 23, and the lower end of the chain body 21 is integrally formed with the front chain bar 22 and the rear chain bar 23. The upper end of the chain body 21 is provided with an opening, so that a structure with two protruding sides is formed at the upper end of the chain body 21, and the protruding parts at the two sides of the upper end of the chain body 21 are also provided with through mounting holes. The front end of electric putter 1 is provided with telescopic link 11, and 11 one ends of telescopic link set up in electric putter 1, and the effect of telescopic link 11 is similar with the effect of the piston in the cylinder, and it has the mounting hole that link up to open on the telescopic link 11. The pin shaft penetrates through mounting holes at the bulges at the two sides of the upper end of the chain body 21 and mounting holes on the telescopic rod 11, and the telescopic rod 11 and the chain body 21 are hinged together.
As shown in fig. 1, 4, 5 and 6, a through mounting hole is formed at one end of the front chain bar 22 away from the chain body 21, and a through mounting hole is formed at both the bent portion and the end of the rear chain bar 23 away from the chain body 21. One end of the front chain rod 22 with the mounting hole is placed between the two convex blocks 52 of the hinge seat 5 at the front end of the door panel 4, and the pin shaft penetrates through the two convex blocks 52 of the hinge seat 5 and the mounting hole of the front chain rod 22 to hinge the front chain rod 22 on the hinge seat 5 at the front end of the door panel 4. One end of the rear chain rod 23 is placed between the two bumps 52 of the hinge base 5 at the front end of the bottom plate 3, and the pin shaft passes through the two bumps 52 of the hinge base 5 and the mounting hole of the rear chain rod 23 to hinge the rear chain rod 23 on the hinge base 5 at the front end of the bottom plate 3.
The small hinge 6 comprises a chain plate 61 and a chain rib 62, the cross section of the chain plate 61 is a chamfer rectangle, two ends of the chain plate 61 are provided with through mounting holes, and two ends of the chain rib 62 are respectively and fixedly connected with one chain plate 61. Two plates at one end of the small hinge 6 are sleeved on the back chain rod 23, and the pin shaft penetrates through a mounting hole at one end of the small hinge 6 and a mounting hole at the bending position of the back chain rod 23 to hinge one end of the small hinge 6 on the back chain rod 23. In the same hinge mode, the other end of the small hinge 6 is hinged with the hinge seat 5 on the door panel 4. However, the two hinge bases 5 at the rear end of the door panel 4 hinged with the small hinge 6 in the embodiment have small distinctive features with the structures of the remaining 6 hinge bases 5: the two hinge bases 5 at the rear end of the door panel 4 have only one projection 52.
As shown in fig. 1, 2, 3 and 7, the bottom plate 3 of the inline door is fixed to the bottom of the tank 9 of the helicopter, the door frame 7 includes a frame bottom 71 and a frame edge 73, the frame bottom 71 is fixed to the bottom plate 3, the frame edge 73 is an annular body, and the frame edge 73 is integrally formed on the outer edge of the frame bottom 71. The frame bottom 71 is provided with a drain hole 8 penetrating through the frame bottom 71, and the bottom of the soleplate 3 and the helicopter water tank 9 are provided with drain holes 8 which are matched with the drain hole 8 of the frame bottom 71 in size, shape and position. The drain hole 8 in this embodiment is rectangular, a frame rod 72 is disposed in the drain hole 8 of the frame bottom 71, and the frame rod 72 divides the rectangular drain hole 8 into 2 square drain holes 8. Preferably, in order to enhance the sealing performance between the door panel 4 and the door frame 7, a rubber gasket having a shape like a Chinese character 'ri' is bonded or vulcanized to the frame bottom 71 and the frame rod 72 so that the rubber gasket does not block the water drain hole 8. When the direct draining door is closed, the door plate 4 can press the rubber gasket, thereby playing a role of sealing and preventing the fire-fighting liquid or water in the water tank 9 from flowing out.
In summary, in the embodiment, when the main hinge 2 is pushed forward by the telescopic rod 11 by simultaneously starting the 2 electric push rods 1, the main hinge 2 will rotate around the hinge seat 5 on the base plate 3 because the rear chain rod 23 is hinged on the hinge seat 5 of the base plate 3. The hinge seat 5 at the front end of the door panel 4 is hinged with the front chain rod 22 of the main hinge 2, and the hinge seat 5 at the rear end of the door panel 4 is hinged with the bending part of the rear chain rod 23 of the main hinge 2 through the small hinge 6; when the telescopic rod 11 pushes the main hinge 2 to rotate around the hinge seat 5 on the bottom plate 3, the hinge seats 5 at the front end and the rear end on the door panel 4 can drive the door panel 4 to rotate, and the small hinge 6 can play a role in adjusting the rotating angle of the door panel 4. When the door panel 4 is rotated forwards, the door panel can be covered in the door frame 7, and the rubber gasket on the frame bottom 71 is pressed to close the drain hole 8, thereby playing a role of sealing and preventing water in the water tank 9 from flowing out.
When starting 2 electric putter 1 simultaneously, when using telescopic link 11 to stimulate main hinge 2 backward, main hinge 2 can drive door plant 4 and rotate the limit and remove backward to open wash port 8, play the effect of quick drainage.
It will be apparent that modifications and variations are possible without departing from the principles of the invention.
Claims (9)
1. A helicopter straight-row door is characterized by comprising a bottom plate, a hinge seat, an electric push rod, a main hinge, a door plate and a door frame, wherein the hinge seat is fixed on the bottom plate and the door plate; the door frame is fixedly connected to the bottom plate, drain holes are formed in the door frame and the bottom plate, and the door plate can be tightly pressed on the door frame by starting the electric push rod to seal the door frame.
2. The helicopter in-line door of claim 1, characterized in that the main hinge comprises a chain body, a front chain bar and a rear chain bar, wherein the front chain bar and the rear chain bar are both bent metal bars, the chain body is arranged between the front chain bar and the rear chain bar, and the chain body, the front chain bar and the rear chain bar are integrally formed.
3. The in-line door of helicopter as claimed in claim 2, wherein the lower end of the chain body is integrally formed with the front chain bar and the rear chain bar, and the upper end of the chain body is provided with an opening, so that the upper end of the chain body is formed with a structure with two side protrusions, and the protrusions on the two sides of the upper end of the chain body are provided with through mounting holes.
4. The in-line helicopter door as claimed in claim 3, wherein the end of the front chain bar remote from the chain body is provided with a through mounting hole, the end of the rear chain bar remote from the chain body is provided with a through mounting hole, the front chain bar is hinged with the hinge seat on the door plate through the mounting hole, and the rear chain bar is hinged with the hinge seat on the bottom plate through the mounting hole remote from the end of the chain body.
5. The in-line door of helicopter as claimed in claim 4, wherein the main hinge further comprises a small hinge, the rear chain link is hinged with one end of the small hinge through the mounting hole at the bending part, and the other end of the small hinge is hinged with the hinge seat on the door plate.
6. The helicopter in-line door as claimed in claim 3, wherein the electric push rod comprises a telescopic rod and a connecting rod, the telescopic rod is arranged at the front end of the electric push rod, the connecting rod is fixed at the rear end of the electric push rod, and the connecting rod is hinged on the hinge seat of the bottom plate; the telescopic rod is provided with a through mounting hole, and the pin shaft penetrates through the mounting holes at the two sides of the upper end of the chain body and the mounting holes on the telescopic rod to hinge the telescopic rod and the chain body together.
7. The in-line helicopter door as claimed in claim 6, wherein the hinge mount comprises a mount body and a protrusion, two protrusions are fixed on the mount body, a gap is provided between the two protrusions, and through mounting holes are provided on both protrusions; the connecting rod of the electric push rod is also provided with a through mounting hole, and the pin shaft penetrates through the two lugs and the mounting hole on the connecting rod to hinge the electric push rod on the hinge seat of the bottom plate.
8. A helicopter shutter according to claim 1 wherein said door frame includes a frame base and a frame rim, said frame rim being an annular body, said frame rim being integrally formed on an outer edge of said frame base; the frame bottom is provided with a drain hole penetrating through the frame bottom, and the bottom plate is provided with a drain hole matched with the drain hole of the frame bottom in size, shape and position.
9. A helicopter shutter according to claim 8 wherein a rubber gasket is affixed to the frame base and the door panel presses against the rubber gasket on the frame base to seal the door frame when the shutter is closed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021894485.0U CN212354398U (en) | 2020-09-03 | 2020-09-03 | Helicopter straight-row door |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021894485.0U CN212354398U (en) | 2020-09-03 | 2020-09-03 | Helicopter straight-row door |
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| Publication Number | Publication Date |
|---|---|
| CN212354398U true CN212354398U (en) | 2021-01-15 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021894485.0U Active CN212354398U (en) | 2020-09-03 | 2020-09-03 | Helicopter straight-row door |
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| CN (1) | CN212354398U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113116239A (en) * | 2021-03-25 | 2021-07-16 | 上海高仙自动化科技发展有限公司 | Cleaning vehicle body shell structure and cleaning robot |
-
2020
- 2020-09-03 CN CN202021894485.0U patent/CN212354398U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113116239A (en) * | 2021-03-25 | 2021-07-16 | 上海高仙自动化科技发展有限公司 | Cleaning vehicle body shell structure and cleaning robot |
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