CN208469811U - Railway vehicle car roof exhaust gas with switching mechanism discharges air duct - Google Patents
Railway vehicle car roof exhaust gas with switching mechanism discharges air duct Download PDFInfo
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- CN208469811U CN208469811U CN201820840332.4U CN201820840332U CN208469811U CN 208469811 U CN208469811 U CN 208469811U CN 201820840332 U CN201820840332 U CN 201820840332U CN 208469811 U CN208469811 U CN 208469811U
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- exhaust gas
- switching mechanism
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- channel shell
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Abstract
The utility model relates to a kind of, and the Railway vehicle car roof exhaust gas with switching mechanism discharges air duct, including air channel shell, there is air inlet and exhaust outlet in air channel shell, there is switching mechanism in the inner cavity of air channel shell, switching mechanism is located at the left and right sides of the inner cavity of air channel shell, switching mechanism includes installation foundation, ventilation door plate and hinge arrangement can be resetted, installation foundation is fixed with air channel shell, there is ventilation opening on installation foundation, ventilation door plate is located at the exhaust side of ventilation opening and is mounted on installation foundation by that can reset hinge arrangement, for opening ventilation door plate unidirectionally in the exhaust side of ventilation opening, ventilation door plate is pushed open when flowing to switching mechanism by the exhaust gas that air inlet flows into, it is discharged after so that exhaust gas is flowed through switching mechanism from exhaust outlet.Beneficial effect is: the exhaust gas discharges air duct under the action of air pressure inside, and ventilation door plate can outwardly open, and under the action of external pressure, ventilation door plate is in closed state, guarantees the leakproofness in exhaust gas discharge air duct.
Description
Technical field
The utility model relates to a kind of, and the Railway vehicle car roof exhaust gas with switching mechanism discharges air duct.
Background technique
Exhaust gas discharge air duct plays an important role on the rail vehicle, and the discharge of interior exhaust gas relies primarily on exhaust gas discharge
Air duct, for realizing the purification of air in a car compartment.
In the prior art, exhaust gas discharge air duct is all installed in the car or vehicle bottom, mainly has exhaust and noise reduction two to require greatly,
It is low to performance requirements such as sun-proof, waterproofs；Conventional exhaust discharges the main of air duct and carries out component connection, carbon steel using carbon steel core rivet
Core corrosion-vulnerable causes air-tightness bad；All exhaust gas discharge air ducts do not need maintenance people station when overhauling and discharge wind in exhaust gas
On road, not stringent load-bearing requirements.
Present exhaust gas discharge air duct need to be mounted on roof, and be chronically exposed to outside compartment, be subjected to exposing to the weather, be used for
Aging effects are larger.Therefore urgent need to resolve exhaust gas discharges the problems such as sun-proof air duct, anti-corrosion and waterproof and sealing.Wind is discharged in exhaust gas
When road is mounted on by vehicle top air conditioner unit, staff may require that when overhauling air-conditioner set to be trampled on exhaust gas discharge air duct,
Therefore the bearing capacity that exhaust gas discharge air duct needs to have certain.
Exhaust gas discharge air duct will not only have normal exhaust gas discharge function, also can effectively prevent ambient atmos and rainwater
Into the car.
Utility model content
The technical problem to be solved by the utility model is to provide a kind of Railway vehicle car roof exhaust gas with switching mechanism
Air duct is discharged, effectively prevents ambient atmos and rainwater into the car.
The technical scheme adopted by the utility model to solve the technical problem is as follows: a kind of rail vehicle with switching mechanism
Roof exhaust gas discharges air duct, including air channel shell, has air inlet and exhaust outlet in air channel shell, in the inner cavity of air channel shell
With switching mechanism, switching mechanism is located at the left and right sides of the inner cavity of air channel shell, and switching mechanism includes installation foundation, ventilating door
Plate and hinge arrangement can be resetted, installation foundation is fixed with air channel shell, has ventilation opening on installation foundation, and ventilation door plate, which is located at, to be led to
The exhaust side in air port is simultaneously mounted on installation foundation by that can reset hinge arrangement, for making ventilation door plate in the row of ventilation opening
Gas side is unidirectionally opened, and pushes ventilation door plate open when flowing to switching mechanism by the exhaust gas that air inlet flows into, exhaust gas is made to flow through opening and closing
It is discharged after mechanism from exhaust outlet.
It further limits, installation foundation is inclined, and the bottom of installation foundation is closer to exhaust outlet.
It further limiting, installation foundation includes mounting base and door panel mounting bracket, and can reset hinge arrangement is rubber hinge,
Ventilation opening is located in mounting base, and the surrounding of mounting base has bending structure, and mounting base passes through the bending structure of left and right side and bottom
It is fixedly connected with air channel shell, door panel mounting bracket is fixed on the bending structure at the top of mounting base, the both ends of rubber hinge
It is separately fixed at the top of door panel mounting bracket and ventilation door plate by pressure plate structure, has and ventilating door in the surrounding of ventilation opening
The sealing strip of plate cooperation.
It further limits, there are two exhaust outlets, positioned at the left and right sides of air channel shell, before air inlet is located at air channel shell
End has deflector and intermediate bulkhead in the inner cavity of air channel shell, and intermediate bulkhead is located at the middle part of air channel shell, by air duct
The inner cavity of shell is divided into left and right two chambers, is led the exhaust gas flowed by air inlet by deflector in the two chambers of left and right
It is flow to the exhaust outlet discharge of the left and right sides, the top of air channel shell has the service ports for exposing deflector, is stamped in service ports
Cover board is repaired, the surrounding of the service ports at the top of air channel shell arranges support frame, repairs cover board by support frame and is supported on maintenance
Mouthful top, maintenance cover board are connect by fastener with support frame, maintenance cover board and service ports, deflector, between intermediate bulkhead
It is realized and is sealed by sealing element.
It further limits, the bottom for repairing cover board is fixed with skeleton structure.
It further limits, skeleton structure includes the skeleton item of mount structure skeleton and mount structure skeleton two sides, mount structure skeleton
It is made of the crossbeam among the frame of surrounding and frame, skeleton item is bathtub construction, and the top of the installation foundation of switching mechanism is embedding
Enter skeleton item, skeleton cover board is covered on mount structure skeleton.
It further limits, skeleton cover board is porous plate, fills acoustical cotton under porous plate.
It further limits, the bottom of deflector is fixed on porous plate, which fixes with air channel shell, more at this
Acoustical cotton is filled between orifice plate and air channel shell.
The beneficial effects of the utility model are: the exhaust gas discharges air duct under the action of air pressure inside, ventilation door plate can be to
Outer opening, under the action of external pressure, ventilation door plate is in closed state, guarantees the leakproofness in exhaust gas discharge air duct.
Detailed description of the invention
Utility model will be further described in detail below with reference to the attached drawings and specific embodiments；
Fig. 1 is the overall structure signal of the utility model；
Fig. 2 is the structural schematic diagram of the skeleton structure of the bottom of the maintenance cover board of the utility model；
Fig. 3 is the schematic diagram at the back side of the maintenance cover board of the utility model；
Fig. 4 is flow direction schematic diagram of the exhaust gas inside the exhaust gas discharge air duct of the utility model；
Fig. 5 is the schematic diagram that exhaust gas is discharged from the exhaust outlet of the utility model；
Fig. 6 is the structural schematic diagram of the switching mechanism of the utility model；
In figure, 1. air inlets, 2. exhaust outlets, 3. deflectors, 3-1. deflector, 4. intermediate bulkheads, 5. maintenance cover boards,
6. support frame, 7. switching mechanisms, 7-1. ventilation door plate, 7-2. mounting base, 7-2-1. bending structure, 7-3. door panel mounting bracket,
7-4. rubber hinge, 7-6. pressure plate structure, 8-1. mount structure skeleton, 8-2. skeleton item, 9. porous plates, 10-1. gasket, 10-
2. self-clamp type sealing strip, 10-3. sealing strip.
Specific embodiment
As shown in Fig. 1,2,3,4,5 and 6, a kind of Railway vehicle car roof exhaust gas discharge air duct with switching mechanism, including
Air channel shell has air inlet 1 and exhaust outlet 2 in air channel shell, and there are two exhaust outlets 2, positioned at the left and right of air channel shell two
Side, air inlet 1 are located at the front end of air channel shell, have deflector 3 and intermediate bulkhead 4 in the inner cavity of air channel shell, intermediate
Partition 4 is located at the middle part of air channel shell, and the inner cavity of air channel shell is divided into left and right two chambers, is passed through in the two chambers of left and right
The exhaust outlet 2 that the exhaust gas flowed by air inlet 1 is guided to the left and right sides is discharged deflector 3, and the top of air channel shell has
Expose the service ports of deflector 3, service cover plate 5, the surrounding arrangement of the service ports at the top of air channel shell are stamped in service ports
Support frame 6, maintenance cover board 5 are supported on above service ports by support frame 6, and maintenance cover board 5 is connected by fastener and support frame 6
It connects, support frame 6 is fixed on by welding on exhaust gas discharge air duct.
It repairs cover board 5 and service ports, deflector 3, sealing is realized by sealing element between intermediate bulkhead 4.Intermediate bulkhead
The sealing element at top is gasket 10-1, and deflector 3 constitutes flow-guiding channel by the deflector 3-1 of muti-piece arc, service ports
Sealing element is self-clamp type sealing strip 10-2, and the sealing element at the top of the deflector 3-1 of the arc of deflector 3 is sealing strip
10-3, sealing element make up gap between the two, and play good buffering between maintenance cover board 1 and exhaust gas discharge air duct
Effect.It repairs cover board 5 and uses aluminium sheet.
Also there is switching mechanism 7, switching mechanism 7 is located at the left and right two of the inner cavity of air channel shell in the inner cavity of air channel shell
Side.Switching mechanism 7 includes installation foundation, ventilation door plate 7-1 and can reset hinge arrangement, and installation foundation is fixed with air channel shell,
There is ventilation opening, ventilation door plate 7-1 is located at the exhaust side of ventilation opening and by that can reset hinge arrangement installation on installation foundation
On installation foundation, for opening ventilation door plate 7-1 unidirectionally in the exhaust side of ventilation opening, the exhaust gas flowed by air inlet 1
The switching mechanism 7 of the left and right sides is guided to by deflector 3, the exhaust gas for being guided to switching mechanism 7 pushes ventilation door plate 7-1 open,
It is discharged after so that exhaust gas is flowed through switching mechanism 7 from exhaust outlet 2.
Installation foundation includes mounting base 7-2 and door panel mounting bracket 7-3, and can reset hinge arrangement is rubber hinge 7-4, is led to
Air port is located on mounting base 7-2, and the surrounding of mounting base 7-2 has a bending structure 7-2-1, mounting base 7-2 by left and right side and
The bending structure 7-2-1 of bottom is fixedly connected with air channel shell, and door panel mounting bracket 7-3 is fixed on the top of mounting base 7-2
On bending structure 7-2-1, the both ends of rubber hinge 7-4 are separately fixed at door panel mounting bracket 7-3 by pressure plate structure 7-6 and lead to
The top of air door plate 7-1 has the sealing strip cooperated with ventilation door plate 7-1 in the surrounding of ventilation opening.The left and right of mounting base 7-2 and
The bending structure 7-2-1 of bottom is connected and fixed by stainless steel core rivet with air channel shell, realizes the fixation of switching mechanism 7.
Switching mechanism 7 is symmetric with respect to intermediate bulkhead 4, and installation foundation is inclined, the bottom of installation foundation
Portion is closer to exhaust outlet.Switching mechanism surface lacquer not only has antiseptic and rustproof Deng protective effects to switching mechanism, but also convenient for opening
Close the cleaning of mechanism.
Switching mechanism 7 is inclined can to guarantee that ventilation door plate 7-1 is in close state in its natural state, even if rail
Road vehicle has slight vibration, and ventilation door plate 7-1 will not be automatically opened.
In Fig. 6, switching mechanism 7 has small one and large one two ventilation openings, the mating two ventilation door plate 7-1 of two ventilation openings.
Pressure plate structure includes the bolt of pressing plate and fixation clip and rubber hinge 7-4.Ventilation door plate 7-1 is the aluminium sheet of 0.8mm thickness, weight
Amount is light, guarantees that ventilation door plate 7-1 can be opened and closed flexibly；Rubber hinge 7-4 is the MT222000 of the import of 0.4mm thickness, matter
Amount is light, good toughness, and intensity is high, and wearability is strong.The sealing strip of ventilation opening surrounding plays the work of damping noise abatement to ventilation door plate 7-1
With, and the gap as caused by ventilation door plate 7-1 flatness deficiency can be adjusted by compressible portion, reach anti-well
The effect of water-stop.
The bottom of maintenance cover board 5 is fixed with skeleton structure.Skeleton structure is welded and fixed with maintenance cover board 5, plays support and adds
Strong effect.
Skeleton structure includes the skeleton 8-2 of mount structure skeleton 8-1 and the two sides mount structure skeleton 8-1, mount structure skeleton 8-1
It is made of the crossbeam among the frame of surrounding and frame, skeleton 8-2 is bathtub construction, the top of the installation foundation of switching mechanism 7
Portion is embedded in skeleton 8-2, and skeleton cover board is covered on mount structure skeleton 8-1.
Skeleton cover board is porous plate 9, and acoustical cotton is filled under porous plate 9.The bottom of deflector 3 is fixed on porous plate 9
On, which fixes with air channel shell, fills acoustical cotton between the porous plate 9 and air channel shell, plays the work of noise reduction
With, minimize exhaust gas discharge air duct work when noise.
The exhaust gas discharge air duct internal structure of the utility model is as shown in Figure 4.As can be seen from Figure 4 exhaust gas discharges air duct
It is the bilateral symmetry centered on intermediate bulkhead 4, the gas flowing being also shown in the exhaust gas discharge air duct with arrow mark
Direction.For on the left of exhaust gas discharge air duct, exhaust gas enters exhaust gas by air inlet 1 and discharges air duct, three pieces of deflector 3-1's
Under effect, exhaust gas changes flow direction, and is discharged by switching mechanism 7, and discharges what air flue grid structure was constituted by exhaust gas
Exhaust outlet 2 is discharged outside vehicle, as shown in Figure 5.
Exhaust gas discharge air duct needs to be mounted on by vehicle top air conditioner unit, and staff needs to step on when overhauling air-conditioner set
Air duct, therefore the bearing capacity that exhaust gas discharge air duct needs to have certain are stepped on, and requires the weight that can bear 120kg in 3 minutes
Amount.In addition exhaust gas discharge air duct need to be mounted on roof, and be chronically exposed to outside compartment, be subjected to exposing to the weather, be used for the service life
It is affected.Therefore urgent need to resolve exhaust gas discharges the problems such as sun-proof air duct, anti-corrosion and waterproof and sealing.
1, the internal structure design in the exhaust gas discharge air duct of the utility model, maintenance cover board are welded using aluminium sheet and skeleton
Structure, and linked with the support frame 6 on exhaust gas discharge air duct using bolt, that is, solve the problems, such as load-bearing, and solve and can tear open
The problem of unloading maintenance maintenance；
2. exhaust gas discharge air duct monolithic case solves water tightness problems using technology is fully welded；
3. paint can cover the rivet outside exhaust gas discharge air duct using the scheme of spray painting outside entire exhaust gas discharge air duct
Core bore, paint solve the problems, such as that anti-corrosion is sun-proof；
4. repairing and using sealing element between cover board and exhaust gas discharge air duct, sealing problem is further strengthened, and play damping
The effect of noise abatement；
5. it is all steel core rivet that exhaust gas, which discharges rivet used in air channel shell and internal staking, anti-corrosion is further strengthened
Erosion problem；
6. the exhaust gas discharges air duct under the action of air pressure inside, ventilation door plate can be outwardly opened, in the work of external pressure
Under, ventilation door plate is in closed state, guarantees the leakproofness in exhaust gas discharge air duct.
Claims (8)
1. a kind of Railway vehicle car roof exhaust gas with switching mechanism discharges air duct, including air channel shell, have in air channel shell
There are air inlet (1) and exhaust outlet (2), it is characterized in that: there are switching mechanism (7) in the inner cavity of the air channel shell, opening/closing machine
Structure (7) is located at the left and right sides of the inner cavity of air channel shell, and switching mechanism (7) includes installation foundation, ventilation door plate (7-1) and can answer
Position hinge arrangement, installation foundation are fixed with air channel shell, have ventilation opening on installation foundation, and ventilation door plate (7-1) is located at ventilation
The exhaust side of mouth is simultaneously mounted on installation foundation by that can reset hinge arrangement, for making ventilation door plate (7-1) in ventilation opening
Exhaust side unidirectionally open, by air inlet (1) flow into exhaust gas flow to switching mechanism (7) when push ventilation door plate (7-1) open,
It is discharged after so that exhaust gas is flowed through switching mechanism (7) from exhaust outlet (2).
2. the Railway vehicle car roof exhaust gas according to claim 1 with switching mechanism discharges air duct, it is characterized in that: described
Installation foundation it is inclined, the bottom of installation foundation is closer to exhaust outlet.
3. the Railway vehicle car roof exhaust gas according to claim 1 or 2 with switching mechanism discharges air duct, it is characterized in that:
The installation foundation includes mounting base (7-2) and door panel mounting bracket (7-3), and can reset hinge arrangement is rubber hinge (7-
4), ventilation opening is located on mounting base (7-2), and the surrounding of mounting base (7-2) has bending structure (7-2-1), and mounting base (7-2) is logical
The bending structure (7-2-1) for crossing left and right side and bottom is fixedly connected with air channel shell, and door panel mounting bracket (7-3) is fixed on peace
On the bending structure (7-2-1) for filling the top of seat (7-2), the both ends of rubber hinge (7-4) are solid respectively by pressure plate structure (7-6)
It is scheduled on the top of door panel mounting bracket (7-3) and ventilation door plate (7-1), is had and ventilation door plate (7-1) in the surrounding of ventilation opening
The sealing strip of cooperation.
4. the Railway vehicle car roof exhaust gas according to claim 1 or 2 with switching mechanism discharges air duct, it is characterized in that:
There are two the exhaust outlets (2), and positioned at the left and right sides of air channel shell, air inlet (1) is located at the front end of air channel shell,
There is deflector (3) and intermediate bulkhead (4) in the inner cavity of air channel shell, intermediate bulkhead (4) is located at air channel shell
The inner cavity of air channel shell is divided into left and right two chambers by middle part, will be by air inlet by deflector (3) in the two chambers of left and right
The exhaust gas that mouth (1) flows into is guided to exhaust outlet (2) discharge of the left and right sides,
The top of air channel shell has the service ports for exposing deflector (3), is stamped service cover plate (5) in service ports,
The surrounding of the service ports at the top of air channel shell arranges support frame (6), and maintenance cover board (5) is supported on by support frame (6)
Above service ports, maintenance cover board (5) is connect by fastener with support frame (6),
Repair cover board (5) and service ports, deflector (3), between intermediate bulkhead (4) by sealing element realization sealing.
5. the Railway vehicle car roof exhaust gas according to claim 4 with switching mechanism discharges air duct, it is characterized in that: described
The bottom of maintenance cover board (5) be fixed with skeleton structure.
6. the Railway vehicle car roof exhaust gas according to claim 5 with switching mechanism discharges air duct, it is characterized in that: described
Skeleton structure include mount structure skeleton (8-1) and the two sides mount structure skeleton (8-1) skeleton item (8-2), mount structure skeleton (8-
1) it is made of the crossbeam among the frame of surrounding and frame, skeleton item (8-2) is bathtub construction, the installation base of switching mechanism (7)
The top of plinth is embedded in skeleton item (8-2), and skeleton cover board is covered on mount structure skeleton (8-1).
7. the Railway vehicle car roof exhaust gas according to claim 6 with switching mechanism discharges air duct, it is characterized in that: described
Skeleton cover board be porous plate (9), fill acoustical cotton under porous plate (9).
8. the Railway vehicle car roof exhaust gas according to claim 4 with switching mechanism discharges air duct, it is characterized in that: described
The bottom of deflector (3) be fixed on porous plate (9), which fixes with air channel shell, in the porous plate (9)
Acoustical cotton is filled between air channel shell.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820840332.4U CN208469811U (en) | 2018-05-31 | 2018-05-31 | Railway vehicle car roof exhaust gas with switching mechanism discharges air duct |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820840332.4U CN208469811U (en) | 2018-05-31 | 2018-05-31 | Railway vehicle car roof exhaust gas with switching mechanism discharges air duct |
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| CN208469811U true CN208469811U (en) | 2019-02-05 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112622962A (en) * | 2020-12-19 | 2021-04-09 | 河南中车重型装备有限公司 | LY2 subway air duct access hole structural design |
-
2018
- 2018-05-31 CN CN201820840332.4U patent/CN208469811U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112622962A (en) * | 2020-12-19 | 2021-04-09 | 河南中车重型装备有限公司 | LY2 subway air duct access hole structural design |
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