CN114655259A - Rain-proof threshold structure of railway vehicle control room and railway vehicle - Google Patents
Rain-proof threshold structure of railway vehicle control room and railway vehicle Download PDFInfo
- Publication number
- CN114655259A CN114655259A CN202210232213.1A CN202210232213A CN114655259A CN 114655259 A CN114655259 A CN 114655259A CN 202210232213 A CN202210232213 A CN 202210232213A CN 114655259 A CN114655259 A CN 114655259A
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- railway vehicle
- door frame
- rain
- lower door
- threshold
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61C—LOCOMOTIVES; MOTOR RAILCARS
- B61C17/00—Arrangement or disposition of parts; Details or accessories not otherwise provided for; Use of control gear and control systems
- B61C17/04—Arrangement or disposition of driving cabins, footplates or engine rooms; Ventilation thereof
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61C—LOCOMOTIVES; MOTOR RAILCARS
- B61C17/00—Arrangement or disposition of parts; Details or accessories not otherwise provided for; Use of control gear and control systems
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61D—BODY DETAILS OR KINDS OF RAILWAY VEHICLES
- B61D19/00—Door arrangements specially adapted for rail vehicles
- B61D19/001—Door arrangements specially adapted for rail vehicles for wagons or vans
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T30/00—Transportation of goods or passengers via railways, e.g. energy recovery or reducing air resistance
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- Automation & Control Theory (AREA)
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Abstract
The invention discloses a rain-proof threshold structure of a railway vehicle control room and a railway vehicle, wherein the structure comprises: one end of the rain eaves is connected to the outer side of the operating room door of the railway vehicle, and the other end of the rain eaves inclines downwards and extends towards the outer side of the lower door frame of the operating room door of the railway vehicle; the doorsill is arranged on the inner side of the lower door frame in a surrounding mode and comprises a flow guide part, the flow guide part is arranged at one end, close to the lower door frame, of the doorsill and inclines downwards, a plurality of notches are formed in one end, close to the lower door frame, of the flow guide part, and drain holes are formed in the bottom of the lower door frame; this rain-proof threshold structure has cancelled the structure of rubber blend stop, and the eaves lug connection has avoided the rubber riveting to arouse the sealed defect that warp or ageing leads to in the outside of control cabinet door when having simplified the structure to adopt the threshold that has water conservancy diversion portion to form the water conservancy diversion to the inboard rainwater of door frame under the entering, the setting of breach and wash port can also be with the rainwater after the water conservancy diversion whole discharge, the inside rainwater invasion and attack that does not receive of protection railway vehicle.
Description
Technical Field
The invention belongs to the technical field of railway vehicles, and particularly relates to a rainproof threshold structure of a railway vehicle control room and a railway vehicle.
Background
As shown in fig. 1, the existing railway ballast hopper car cab door adopts a rubber strip single sealing structure, the left side, the right side and the upper side are sealed on three sides, the lower part of an outer side door plate 101 adopts a blind rivet to fix a rubber barrier strip 102 and a baffle plate 103, a door sill 104 is arranged below the door, the sealing performance of the structure is poor, the rubber barrier strip 102 and the baffle plate 103 are rain-proof and unreliable, rainwater easily falls on the door sill 104 along the outer side door plate 101 or from a door gap to form a water accumulation area to enter the cab, so that the inner side floor 105 of the door sill corrodes, if the floor 105 corrodes seriously, the safety of operators in the cab can be influenced, the workload of replacing the floor 105 is increased during vehicle maintenance, and the maintenance cost is indirectly increased.
Disclosure of Invention
The invention aims to provide a rain-proof threshold structure of a railway vehicle control room and a railway vehicle, aiming at the defects in the prior art, the rain-proof threshold structure cancels the structure of a rubber barrier strip, a rain eave is directly connected to the outer side of the control room door, the structure is simplified, the sealing defect caused by deformation or aging caused by rubber riveting is avoided, a threshold with a flow guide part is adopted to form flow guide of rainwater entering the inner side of a lower door frame, and the arrangement of a notch and a drain hole can discharge all the guided rainwater to protect the interior of the railway vehicle from being invaded by rainwater.
In order to achieve the above object, the present invention provides a rain-proof threshold structure of a railway vehicle cab, and a railway vehicle, the structure comprising:
one end of the rain eaves is connected to the outer side of the operation door of the railway vehicle, and the other end of the rain eaves inclines downwards and extends towards the outer side of the lower door frame of the operation door of the railway vehicle;
the doorsill is arranged on the inner side of the lower door frame in a surrounding mode and comprises a flow guide portion, the flow guide portion is arranged at one end, close to the lower door frame, of the doorsill and inclines downwards, a plurality of notches are formed in one end, close to the lower door frame, of the flow guide portion, and drain holes are formed in the bottom of the lower door frame.
Optionally, the lower door frame includes plane portion and facade portion, the threshold includes the blocking part of L shape and connects blocking part one end water conservancy diversion portion, the welding of water conservancy diversion portion is in on the facade portion, the other end of blocking part is connected on the plane portion.
Optionally, the eaves are Z-shaped, and a gap is formed between the lower end of the eaves and the upper end of the lower door frame.
Optionally, a plurality of support plates are arranged inside the doorsill, the support plates divide the cavity into a plurality of sub-cavities along the X direction of the railway vehicle, the top of each sub-cavity is provided with at least one notch, and the bottom of each sub-cavity is provided with at least one drain hole.
Optionally, two adjacent support plates are connected through a connecting plate, and the connecting plate is connected to the middle of the support plate.
Optionally, the lower ends of the support plate and the connecting plate are welded to the bottom of the lower door frame, and the upper ends of the support plate and the connecting plate are in contact connection with the doorsill.
Alternatively, one end of the lower door frame near the interior of the railway vehicle is connected to a floor of the railway vehicle, a lower side member of the railway vehicle is positioned below the floor and the lower door frame, a part of the lower side member is connected to the floor, another part of the lower side member is connected to the lower door frame, and the drain hole is positioned outside the lower side member.
Optionally, one end of the lower door frame close to the interior of the railway vehicle is connected with the floor of the railway vehicle, a lower side beam of the railway vehicle is positioned below the lower door frame, and the drain hole is positioned on the inner side of the lower side beam; and the top surface and the bottom surface of the lower side beam are respectively provided with a first through hole and a second through hole along the vertical direction, and the first through holes are communicated with the drain holes.
Optionally, a flow guide pipe is arranged inside the lower side beam, and two ends of the flow guide pipe are respectively connected with the first through hole and the second through hole.
The invention also provides a railway vehicle which comprises the rain-proof threshold structure of the railway vehicle control room.
The invention provides a rain-proof threshold structure of a railway vehicle control room and a railway vehicle, which have the advantages that:
1. the rain-proof doorsill structure cancels a rubber barrier strip structure, a rain eave is directly connected to the outer side of a control room door, the structure is simplified, meanwhile, the sealing defect caused by deformation or aging due to rubber riveting is avoided, a doorsill with a flow guide part is adopted to form flow guide for rainwater entering the inner side of a lower door frame, and the arrangement of the notch and the drain hole can also completely discharge the rainwater after flow guide, so that the interior of a railway vehicle is protected from rainwater;
2. the rain-proof threshold structure can guide rainwater into the cavity and then discharge the rainwater out of the vehicle through the drain hole without entering the vehicle through the arrangement of the flow guide part and the notches, reduces welding workload and avoids deformation caused by continuous welding due to the existence of a plurality of notches when the flow guide part is welded with the vertical face part, and meanwhile, the notches and the welding seams exist at intervals, so that the rainwater can be discharged in time and the welding seams are prevented from being corroded;
3. still have backup pad and connecting plate in this rain-proof threshold structure's the threshold, the two not only plays the supporting role to the threshold, reduce the deformation of threshold, and then reduce maintenance and maintenance, can also further separate each subcavity through the connecting plate for the rainwater only exists in the partial subcavity that is close to the car outside again through the wash port outside the discharge car, and the wash port sets up the plane portion at lower door frame, and the position is hidden, can not see the wash port from the car outside, also can avoid the wash port rainwater problem of irritating backward.
Additional features and advantages of the invention will be set forth in the detailed description which follows.
Drawings
The above and other objects, features and advantages of the present invention will become more apparent by describing in more detail exemplary embodiments thereof with reference to the attached drawings, in which like reference numerals generally represent like parts throughout.
Fig. 1 shows a schematic diagram of a door rainproof structure of an existing railway ballast hopper car cab.
Fig. 2 shows a schematic view of a rain-proof threshold structure of a railway vehicle cab according to a first embodiment of the invention.
Fig. 3 shows a schematic diagram of the structure of fig. 2 from the right.
Fig. 4 shows a structural schematic diagram of a combination of a door sill, a support plate and a connecting plate of a rain-proof door sill structure of a railway vehicle cab according to an embodiment of the invention.
Fig. 5 shows a schematic top view of the structure of fig. 4.
Fig. 6 shows a schematic structural view of a door sill of a rain-proof door sill structure of a railway vehicle cab according to a first embodiment of the invention.
Fig. 7 shows a schematic top view of fig. 6.
Fig. 8 is a schematic view showing a connection structure of a support plate and a connection plate of a rain-proof threshold structure of a railway vehicle control cabin according to an embodiment of the present invention.
Fig. 9 is a schematic view showing a rain-proof threshold structure of a railway vehicle control room according to a second embodiment of the present invention.
Fig. 10 is a schematic view showing a rain-proof threshold structure of a railway vehicle control room according to a second embodiment of the present invention.
Description of reference numerals:
in fig. 1:
101. an outer door panel; 102. a rubber barrier strip; 103. a baffle plate; 104. a threshold; 105. a floor;
in fig. 2 to 10:
1. rain eaves; 2. a console door; 3. a lower door frame; 4. a threshold; 5. a flow guide part; 6. a notch; 7. a drain hole; 8. a planar portion; 9. a vertical face part; 10. a blocking portion; 11. a gap; 12. a support plate; 13. a connecting plate; 14. a floor; 15. a lower side member; 16. a first through hole; 17. a second through hole; 18. a flow guide pipe; 19. side door frame.
Detailed Description
Preferred embodiments of the present invention will be described in more detail below. While the following describes preferred embodiments of the present invention, it should be understood that the present invention may be embodied in various forms and should not be limited by the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the invention to those skilled in the art.
Example one
As shown in fig. 2 to 8, the present invention provides a rain-proof threshold structure of a railway vehicle control room and a railway vehicle, the structure comprising:
one end of the rain eaves 1 is connected to the outer side of the operation door 2 of the railway vehicle, and the other end of the rain eaves 1 inclines downwards and extends towards the outer side of the lower door frame 3 of the operation door 2 of the railway vehicle;
Specifically, the structure of the rain-proof threshold 4 cancels the structure of the rubber barrier strip 102, and the rain eaves 1 are directly connected to the outer side of the control chamber door 2, so that the structure is simplified, and the sealing defect caused by deformation or aging due to riveting of the rubber barrier strip 102 is avoided; the problem that the lower part of a door of an existing railway hopper car control room or a locomotive cab is provided with a rain shielding structure with a rubber barrier strip and a baffle plate connected with an outer side door plate is solved, the rain shielding structure in the prior art has the problems of multiple assembling procedures, complex process and high cost, the rubber barrier strip 102 is tightly attached to the outer side door plate 101 at the part fastened by a self-plugging rivet or a bolt, a certain gap possibly exists in other places, the rubber barrier strip 102 is easy to age, if the rubber barrier strip 102 is aged or the outer side door plate 101 is not tightly attached to the part without the rivet, rainwater is easy to enter the upper parts of the rubber barrier strip 102 and the baffle plate 103, once the rainwater is accumulated for a long time, the lower part of the outer side door plate 101 is corroded, and the vehicle door overhaul cost and the vehicle overhaul period are indirectly increased; the rain eave 1 is assembled and welded on the outer side of the control chamber door 2, so that parts and processes are simplified, the corrosion of the lower part of the vehicle door is prevented, and the rain eave 1 does not need to be replaced during maintenance; in one example, the rain eaves 1 may be made of weathering steel or stainless steel.
Further, adopt the water conservancy diversion portion 5 that has the slope and set up the threshold 4 structure of breach 6 in the lower of water conservancy diversion portion 5, avoided rainwater to flow to the emergence that causes the corruption of floor 14 on the floor 14 of threshold 4 inside, supporting bottom at lower door frame 3 adds wash port 7, make the rainwater flow to its lower breach 6 department along water conservancy diversion portion 5 and arrange totally easily, and the rainwater is piled up on can not arriving threshold 4 for a long time, avoided threshold 4 itself to suffer rainwater and piled up the emergence that causes further corruption, and can not produce rusty vestige, do not influence automobile body appearance quality.
In this embodiment, the lower door frame 3 includes a flat surface portion 8 and a standing surface portion 9, the doorsill 4 includes an L-shaped blocking portion 10 and a flow guide portion 5 connected to one end of the blocking portion 10, the flow guide portion 5 is welded to the standing surface portion 9, and the other end of the blocking portion 10 is connected to the flat surface portion 8.
Specifically, the doorsill 4 formed by integral bending is high in rigidity and good in appearance, welding defects and welding quality problems are avoided, the process is simplified, the manufacturing efficiency is improved, and the manufacturing cost is reduced; through the arrangement of the diversion part 5 and the notches 6, rainwater can be guided into the cavity and then discharged out of the vehicle through the drain holes 7 without entering the vehicle, and when the diversion part 5 is welded with the vertical face part 9, deformation caused by continuous welding can be avoided due to the existence of the plurality of notches 6 while the welding workload is reduced, and meanwhile, the notches 6 and the welding seams exist at intervals, so that the rainwater can be discharged in time, and the welding seams are prevented from being corroded.
In this embodiment, the rain eaves 1 are zigzag-shaped, and a gap 11 is provided between the lower end of the rain eaves 1 and the upper end of the lower door frame 3.
Specifically, the gap 11 is provided to prevent the eaves 1 from interfering with the lower door frame 3 when the cab door 2 is opened or closed.
In the present embodiment, a plurality of support plates 12 are disposed inside the rocker 4, the plurality of support plates 12 divide the cavity into a plurality of sub-cavities along the X direction of the railway vehicle, the top of each sub-cavity is provided with at least one notch 6, and the bottom of each sub-cavity is provided with at least one drainage hole 7.
Specifically, the structure with the additional supporting plate 12 further improves the rigidity of the doorsill 4, facilitates assembly and positioning of the doorsill 4, is not prone to welding deformation, and simplifies the assembly process of the doorsill 4.
In the present embodiment, two adjacent support plates 12 are connected by a connecting plate 13, and the connecting plate 13 is connected to the middle of the support plate 12.
Specifically, the supporting plate 12 and the connecting plate 13 in the doorsill 4 not only play a role in supporting the doorsill 4 and reduce the deformation of the doorsill 4, thereby reducing the maintenance, but also can further separate each sub-cavity through the connecting plate 13, so that rainwater is only present in part of the sub-cavities close to the outer side of the vehicle and is discharged out of the vehicle through the drainage holes 7.
In this embodiment, the lower ends of the support plate 12 and the connecting plate 13 are welded to the bottom of the lower door frame 3, and the upper ends of the support plate 12 and the connecting plate 13 are in contact with the rocker 4.
Specifically, the upper ends of the support plate 12 and the connecting plate 13 do not need to be welded with the threshold 4, and contact support is achieved, so that the assembling process is simple.
In the present embodiment, one end of the lower door frame 3 near the inside of the railway vehicle is connected to the floor 14 of the railway vehicle, the lower side member 15 of the railway vehicle is positioned below the floor 14 and the lower door frame 3, a part of the lower side member 15 is connected to the floor 14, the other lower side member 15 is connected to the lower door frame 3, and the drain hole 7 is positioned outside the lower side member 15.
Specifically, the plane part 8 of the lower door frame 3 of the control cabin extends out of a part of the outer side surface of the lower side beam, the lower side beam is arranged on the inner side of the lower door frame 3, the lower side beam 15 cannot influence the rainwater discharge of the drainage hole 7 at the doorsill 4, the original lower side beam is still adopted at the moment, and improvement is not needed.
The invention also provides a railway vehicle which comprises the rain-proof threshold 4 structure of the railway vehicle control room.
In summary, when the rain-proof threshold 4 structure of the railway vehicle control room provided by the invention is applied to the railway vehicle, the assembling steps are as follows: firstly, the underframe assembly of the lower side beam is assembled, if the plane part 8 of the lower door frame 3 of the control cabin extends out of a part of the outer side surface of the lower side beam, the lower side beam is arranged at the inner side of the lower door frame 3, and the lower side beam does not influence the rainwater drainage function of the drainage hole 7, the original lower side beam of the vehicle is still adopted, namely the lower side beam is not changed. After the drain hole 7 is drilled on the plane part 8 of the lower door frame 3, the side door frame 19, the floor 14 and other accessories are assembled. Then, the connecting plate 13 and the supporting plate 12 are assembled, then, the connecting plate 13 and the supporting plate 12 are welded on the lower door frame 3, and after the welding is completed, the doorsill 4 is assembled by means of the positioning of the supporting plate 12 and the connecting plate 13, and the doorsill 4 is welded with the lower door frame 3 and the side door frame 19. Finally, welding the rain eave 1, assembling and welding the rain eave 1 and the control room door 2, and then assembling and connecting a hinge of the control room door 2 with a hinge seat arranged at the side door frame 19, so that the control room door 2 can be flexibly opened and closed, and the rain eave 1 does not interfere with the lower door frame 3 and the side door frame 19; and after the assembly is qualified, assembling the body parts such as the upper side wall, the end wall and the like of the body of the railway vehicle.
Example two
As shown in fig. 9 and 10, the present embodiment is different from the first embodiment in that:
in the present embodiment, one end of the lower door frame 3 near the inside of the railway vehicle is connected to the floor 14 of the railway vehicle, the lower side member 15 of the railway vehicle is positioned below the lower door frame 3, and the drain hole 7 is positioned inside the lower side member 15; the top surface and the bottom surface of the lower side beam are respectively provided with a first through hole 16 and a second through hole 17 along the vertical direction, and the first through hole 16 is communicated with the water drainage hole 7.
Specifically, when the vertical surface 9 of the lower door frame 3 of the control cabin is aligned with or close to the outer side surface of the lower side beam, the lower side beam affects the drainage function of the drainage hole 7, and at the moment, a corresponding number of first through holes 16 and second through holes 17 are respectively formed in the upper plane and the lower plane of the existing lower side beam corresponding to the position right below the drainage hole 7 and are communicated with the drainage hole 7 for drainage.
In the present embodiment, a flow guide tube 18 is provided inside the lower side member, and both ends of the flow guide tube 18 are connected to the first through hole 16 and the second through hole 17, respectively.
Specifically, in order to drain the lower side beam thoroughly and avoid rainwater accumulation and corrosion inside the lower side beam, a flow guide pipe 18 is welded between the first through hole 16 and the second through hole 17 to prevent rainwater from entering the inside of the lower side beam 15, and the inner diameter of the flow guide pipe 18 is preferably larger than the diameter of the drain hole 7.
Having described embodiments of the present invention, the foregoing description is intended to be exemplary, not exhaustive, and not limited to the embodiments disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art without departing from the scope and spirit of the described embodiments.
Claims (10)
1. A rain threshold structure for a railway vehicle cab, the structure comprising:
one end of the rain eaves is connected to the outer side of the operation door of the railway vehicle, and the other end of the rain eaves inclines downwards and extends towards the outer side of the lower door frame of the operation door of the railway vehicle;
the doorsill is arranged on the inner side of the lower door frame in a surrounding mode and comprises a flow guide portion, the flow guide portion is arranged at one end, close to the lower door frame, of the doorsill and inclines downwards, a plurality of notches are formed in one end, close to the lower door frame, of the flow guide portion, and drain holes are formed in the bottom of the lower door frame.
2. A railway vehicle cab rain-proof threshold structure as claimed in claim 1, wherein the lower door frame includes a flat surface portion and a vertical surface portion, the threshold includes an L-shaped blocking portion and the deflector portion connected to one end of the blocking portion, the deflector portion is welded to the vertical surface portion, and the other end of the blocking portion is connected to the flat surface portion.
3. A railway vehicle cab rain threshold structure as in claim 1, wherein the rain eaves are Z-shaped, and a gap is provided between a lower end of the rain eaves and an upper end of the lower door frame.
4. A railway vehicle cab rain-proof threshold structure as claimed in claim 1, wherein a plurality of support plates are provided inside the threshold, the plurality of support plates divide the cavity into a plurality of sub-cavities in the X direction of the railway vehicle, the top of each sub-cavity is provided with at least one of the notches, and the bottom of each sub-cavity is provided with at least one of the drainage holes.
5. A railway vehicle cab rain threshold structure as in claim 4, wherein adjacent two of the support plates are connected by a connecting plate, and the connecting plate is connected to a middle portion of the support plate.
6. A railway vehicle cab rain threshold structure as in claim 5, wherein the support plate and the lower end of the connecting plate are welded to the bottom of the lower door frame, and the upper end of the support plate and the upper end of the connecting plate are in contact with the threshold.
7. A rain threshold structure for a railway vehicle control room according to claim 1, wherein an end of the lower door frame near an inside of the railway vehicle is connected to a floor of the railway vehicle, a lower side member of the railway vehicle is positioned below the floor and the lower door frame, a part of the lower side member is connected to the floor, another part of the lower side member is connected to the lower door frame, and the drain hole is positioned outside the lower side member.
8. The structure of the rain threshold of a railway vehicle cab according to claim 1, wherein an end of the lower door frame adjacent to the inside of the railway vehicle is connected to a floor of the railway vehicle, a lower side sill of the railway vehicle is positioned below the lower door frame, and the drain hole is positioned inside the lower side sill; and the top surface and the bottom surface of the lower side beam are respectively provided with a first through hole and a second through hole along the vertical direction, and the first through holes are communicated with the drain holes.
9. A railway vehicle cab rain threshold structure as claimed in claim 8, wherein a draft tube is provided inside the lower side member, and both ends of the draft tube are connected to the first through hole and the second through hole, respectively.
10. A railway vehicle, characterized in that the railway vehicle comprises a rain threshold structure of a railway vehicle cab according to any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210232213.1A CN114655259B (en) | 2022-03-09 | 2022-03-09 | Rainproof threshold structure of railway vehicle control cabin and railway vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210232213.1A CN114655259B (en) | 2022-03-09 | 2022-03-09 | Rainproof threshold structure of railway vehicle control cabin and railway vehicle |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114655259A true CN114655259A (en) | 2022-06-24 |
| CN114655259B CN114655259B (en) | 2023-09-12 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210232213.1A Active CN114655259B (en) | 2022-03-09 | 2022-03-09 | Rainproof threshold structure of railway vehicle control cabin and railway vehicle |
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| Country | Link |
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| CN (1) | CN114655259B (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2584780Y (en) * | 2002-12-06 | 2003-11-05 | 山东大正天丰不锈钢建材有限公司 | Drainage hole on frame of door and window |
| CN200974558Y (en) * | 2006-11-30 | 2007-11-14 | 重庆长安汽车股份有限公司 | Car door doorsill having water-passing ports |
| CN209441367U (en) * | 2019-01-04 | 2019-09-27 | 中车株洲电力机车有限公司 | A kind of the car door drainage mechanism and rail vehicle of rail vehicle |
| CN111483483A (en) * | 2020-04-22 | 2020-08-04 | 中车太原机车车辆有限公司 | Rainproof threshold and vehicle door assembly of railway hopper vehicle |
-
2022
- 2022-03-09 CN CN202210232213.1A patent/CN114655259B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2584780Y (en) * | 2002-12-06 | 2003-11-05 | 山东大正天丰不锈钢建材有限公司 | Drainage hole on frame of door and window |
| CN200974558Y (en) * | 2006-11-30 | 2007-11-14 | 重庆长安汽车股份有限公司 | Car door doorsill having water-passing ports |
| CN209441367U (en) * | 2019-01-04 | 2019-09-27 | 中车株洲电力机车有限公司 | A kind of the car door drainage mechanism and rail vehicle of rail vehicle |
| CN111483483A (en) * | 2020-04-22 | 2020-08-04 | 中车太原机车车辆有限公司 | Rainproof threshold and vehicle door assembly of railway hopper vehicle |
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| Publication number | Publication date |
|---|---|
| CN114655259B (en) | 2023-09-12 |
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