CN113501019A - Built-in sealed door of double-flow system vehicle - Google Patents
Built-in sealed door of double-flow system vehicle Download PDFInfo
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- CN113501019A CN113501019A CN202110851296.8A CN202110851296A CN113501019A CN 113501019 A CN113501019 A CN 113501019A CN 202110851296 A CN202110851296 A CN 202110851296A CN 113501019 A CN113501019 A CN 113501019A
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- door
- guide rail
- door leaf
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- upper guide
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- 238000007789 sealing Methods 0.000 claims abstract description 28
- 230000000712 assembly Effects 0.000 claims abstract description 3
- 238000000429 assembly Methods 0.000 claims abstract description 3
- 230000007246 mechanism Effects 0.000 claims description 19
- 238000005452 bending Methods 0.000 claims description 5
- 229920003266 Leaf® Polymers 0.000 description 86
- 230000033001 locomotion Effects 0.000 description 14
- 238000000034 method Methods 0.000 description 8
- 230000000694 effects Effects 0.000 description 6
- 238000010586 diagram Methods 0.000 description 4
- 238000001125 extrusion Methods 0.000 description 3
- 230000005484 gravity Effects 0.000 description 2
- 238000011900 installation process Methods 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 239000011324 bead Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
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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
- B61D19/003—Door arrangements specially adapted for rail vehicles characterised by the movements of the door
- B61D19/005—Door arrangements specially adapted for rail vehicles characterised by the movements of the door sliding
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Specific Sealing Or Ventilating Devices For Doors And Windows (AREA)
Abstract
本发明涉及轨道车辆技术领域，具体涉及一种双流制车辆内藏密闭门，包括两条上导轨和两个门扇；门扇顶部均固设有上导向轮，两条上导轨分别与对应门扇的上导向轮配合；门扇下部固设有下导轨；还包括下摆臂，下摆臂有两个，下摆臂包括下支撑滚轮组件，两个下支撑滚轮组件中的滚轮分别与对应门扇的下导轨配合；上导轨和下导轨分别包括直线段和弯转段；两个上导轨相对的一段为弯转段，其余部分为直线段；两个下导轨相背的一段为弯转段，其余部分为直线段；上导轨弯转段与下导轨弯转段垂直于门扇的朝向相反。与现有内藏门相比，本申请当门扇达到关闭状态时，可以极大的提升密封性。
The invention relates to the technical field of rail vehicles, in particular to a double-flow vehicle built-in airtight door, comprising two upper guide rails and two door leaves; upper guide wheels are fixed on the top of the door leaves, and the two upper guide rails are respectively connected with the upper guide rails of the corresponding door leaves. The guide wheel is matched; the lower part of the door leaf is fixed with a lower guide rail; it also includes a lower swing arm, there are two lower swing arms, the lower swing arm includes a lower support roller assembly, and the rollers in the two lower support roller assemblies are respectively matched with the lower guide rail of the corresponding door leaf; The guide rail and the lower guide rail respectively include a straight section and a curved section; the opposite section of the two upper guide rails is a curved section, and the rest is a straight section; the opposite section of the two lower guide rails is a curved section, and the rest is a straight section; The direction of the upper guide rail turning section and the lower guide rail turning section perpendicular to the door leaf is opposite. Compared with the existing built-in door, the present application can greatly improve the sealing performance when the door leaf reaches the closed state.
Description
Technical Field
The invention relates to the technical field of railway vehicles, in particular to a concealed airtight door of a double-flow vehicle.
Background
Railway vehicles are increasingly favored because of their advantages of being convenient, fast, on-time, etc., and parts of the vehicles are also rapidly updated. At present, the main stream of rail vehicle doors can be divided into concealed doors and sliding plug doors according to the movement form of the door leaves of the rail vehicle doors.
When the sliding plug door is closed, the door leaf is plugged into the door opening from the inside or the outside of the vehicle, so that the sliding plug door is closed and sealed; when the door is opened, the door leaves move away from the doorway for a certain distance and then slide along the inner side or the outer side of the vehicle body. Because the sliding distance of the sliding plug door in the opening and closing process is large, under the condition that passengers are crowded, the situation that the door leaf cannot be normally closed due to overlarge extrusion force of the passengers can occur, and the hidden door can avoid the problem due to the fact that the hidden door moves in a translation mode when the hidden door is closed. When the built-in door is closed, the door leaves move in opposite directions in a translation mode to close the door, when the built-in door is opened, the built-in door moves in opposite directions in a translation mode, when the built-in door is completely opened, the door leaves are hidden in the side wall of the carriage, and the motion tracks of the door leaves are always on the same straight line.
Therefore, the use of the built-in door in the conventional railway vehicle is more. However, in order to ensure the smooth movement of the built-in door, a certain gap is left between the door and the side wall of the vehicle compartment. However, the movement track of the door leaf of the built-in door is always on the same straight line, and after the door leaf is closed, the gap between the door leaf and the side wall of the carriage still exists, so that the sealing effect of the built-in door after the door is closed is not ideal, the sound insulation effect and the air tightness in the carriage can be influenced by the unsatisfactory sealing effect, and the riding experience of passengers is reduced.
Disclosure of Invention
The invention aims to provide a concealed airtight door of a double-flow vehicle, which can improve the sealing performance after the door is closed.
The basic scheme provided by the invention is as follows:
the built-in airtight door of the double-flow system vehicle comprises two upper guide rails and two door leaves; the top of each door leaf is fixedly provided with an upper guide wheel, and the two upper guide rails are respectively matched with the upper guide wheels of the corresponding door leaves;
the lower part of the door leaf is fixedly provided with a lower guide rail; the door leaf further comprises two lower swing arms, each lower swing arm comprises a lower support roller assembly, and rollers in the two lower support roller assemblies are respectively matched with the lower guide rails of the corresponding door leaves;
the upper guide rail and the lower guide rail respectively comprise a straight line section and a bent section; the opposite sections of the two upper guide rails are turning sections, and the rest parts are straight sections; one section of the two lower guide rails which are opposite to each other is a bending section, and the other parts are straight sections; the direction of the upper guide rail turning section is opposite to the direction of the lower guide rail turning section which is perpendicular to the door leaf.
Basic scheme theory of operation and beneficial effect:
compared with the prior art, the upper guide rail and the lower guide rail are respectively provided with a straight line section and a bent section, the section of the two upper guide rails opposite to each other is the bent section, and the rest parts are straight line sections; one section of the two lower guide rails which are opposite is a bending section, and the other section of the two lower guide rails is a straight line section.
When the door leaf is just closed and moves outwards from the side wall of the train, the straight line section of the upper guide rail and the straight line section of the lower guide rail guide the door leaf to move, the movement form of the door leaf is the same as that of a conventional built-in door, and the door leaf can normally and smoothly move in a horizontal moving mode. When two door leafs were close the closure state, the turn section of upper guideway and the turn section guide door leaf of lower guideway removed, and the door leaf can carry out a small stopper and draw the motion, and the door leaf can draw close to the door frame outside (or inboard), like this, when the door leaf reached the closure state, the door leaf can laminate with the door frame, and the gap between door leaf and the train lateral wall can disappear because this stopper draws the motion, and then the leakproofness of promotion door leaf that can be very big. And, because only can carry out the plug and draw the motion when being close to the closed condition, this application can also preserve the little advantage of concealed door occupation space.
In conclusion, the application can greatly improve the sealing performance of the door after the door is closed.
Furthermore, the turning section of the upper guide rail faces the outside of the carriage, the stroke of the turning section of the upper guide rail, which is perpendicular to the door leaf, is 8-10 mm, the stroke in the same direction with the straight section of the upper guide rail is 45-55 mm, and the turning angle of the turning section of the upper guide rail is 18-23 degrees; the turning section of the lower guide rail faces the carriage, the stroke of the turning section of the lower guide rail, which is perpendicular to the door leaf, is 8-10 mm, the stroke of the turning section of the lower guide rail, which is in the same direction with the straight section of the lower guide rail, is 45-55 mm, and the turning angle of the lower guide rail is 18-23 degrees.
The arrangement of the turning sections of the upper guide rail and the lower guide rail (namely the guide rail section of the door leaf for the plug stroke) is adopted, so that the vehicle door can be closed smoothly when more passengers are in the carriage in the rush hours of people flow; secondly, the original structure of the side wall of the carriage is not required to be greatly changed by the parameters; thirdly, in practical use, according to the parameters, the door leaf can be tightly attached to the door frame after the door leaf is subjected to plugging and pulling movement, and the sealing property is ensured; fourthly, the parameter setting can also take the stability of the door leaf opening and closing process into consideration.
Furthermore, sealing rubber strips are fixedly arranged on four sides of the door leaf; the upper pressing strip, the left pressing strip and the right pressing strip are further included; the upper pressing strip is fixed on the upper side of the vehicle door frame, the left pressing strip is fixed on the left side of the vehicle door frame, and the right pressing strip is fixed on the right side of the vehicle door frame; after the door leaf is closed, the upper pressing strip, the left pressing strip and the right pressing strip are respectively clung to the sealing rubber strips on the corresponding sides.
When the door leaf was closed, the joint strip of two door leaf upsides can improve the leakproofness with upper depression bar extrusion fit, and the joint strip of the one side of carrying on the back can improve the leakproofness with left depression bar and right depression bar extrusion fit respectively, and the joint strip of relative one side then can extrude each other and improve the leakproofness. The lower side of the door leaf is pressed against one side of the U-shaped door pedal after the plugging stroke of the door leaf, thereby further improving the sealing property.
Thus, the sealing performance of the sealing door can be further improved.
Furthermore, the joint strip on the opposite side of the two door leaves is a concave-convex joint strip which is matched with each other.
When the door leaf is closed, through the cooperation of the concave-convex type joint strip on the opposite side of two door leaves, the leakproofness of airtight door can be further improved.
Furthermore, the sealing rubber strips on the four sides of the door leaf are connected with each other to form a closed shape.
The structure can avoid the condition that the whole sealing effect is influenced because a gap exists at the joint of the sealing rubber strip.
Further, a door carrying frame is fixedly arranged at the top of the door leaf, and the upper guide wheel is fixed on the door leaf through the door carrying frame; the door carrying frame is also fixedly provided with a bearing trolley, and the bearing trolley is fixedly provided with a bearing wheel; the automobile door frame structure further comprises a bearing guide rail, wherein the bearing guide rail is fixed above the automobile door frame, and the opening of the bearing guide rail faces the interior of a carriage; the bearing guide rail is matched with the bearing wheel.
Through the cooperation of bearing guide rail and bearing wheel, can provide the holding power of a gravity to the door leaf, the cooperation of swing arm and lower rail about adding to and the cooperation of last guide rail and last leading wheel, can guarantee that the door leaf keeps steadily at the removal in-process.
Furthermore, the bearing trolley is also fixedly provided with an anti-jumping wheel which is matched with the bearing guide rail and is prevented from keeping contact with the inner top of the bearing guide rail.
Through the cooperation of the anti-bouncing wheels and the bearing guide rails, the door leaf can be ensured to be more stable when moving, and cannot shake up and down.
The driving mechanism comprises a driving motor and a screw and nut mechanism; the driving motor and the screw rod nut mechanism are respectively fixed in the side wall of the train through a supporting seat; the driving motor is connected with a screw rod of the screw rod nut mechanism; the nut of the screw nut mechanism comprises a left-handed nut and a right-handed nut, the left-handed nut is connected with the bearing trolley of the right door leaf, and the right-handed nut is connected with the bearing trolley of the left door leaf.
The screw rod can be driven to rotate by the driving motor, and the left-handed nut and the right-handed nut can move towards opposite or back-to-back directions when the screw rod rotates, so that the two door leaves are driven to move towards opposite or back-to-back directions, and opening and closing of the door leaves are realized.
Furthermore, the upper guide rail is designed to be a circular arc surface.
The upper guide rail adopts the design of an arc surface, and can automatically adapt to the inclination in the installation process.
Drawings
FIG. 1 is a schematic structural diagram according to a first embodiment of the present invention;
FIG. 2 is a schematic diagram of a first embodiment of the present invention;
FIG. 3 is a schematic structural diagram of a door leaf, an upper rail and a lower rail according to an embodiment of the present invention;
FIG. 4 is a schematic structural diagram of a relevant portion of a load rail according to an embodiment of the present invention;
fig. 5 is a schematic structural view of a portal carrying portion according to an embodiment of the present invention.
Detailed Description
The following is further detailed by the specific embodiments:
reference numerals in the drawings of the specification include: the device comprises a door leaf 1, an upper guide rail 2, a bearing guide rail 3, a driving motor 4, a nut 5, a screw rod 6, an upper pressing bar 7, a left pressing bar 8, a right pressing bar 9, a lower swing arm 10, a door carrying frame 11, an upper guide wheel 12, a balance wheel 13, a bearing wheel 14, an anti-bouncing wheel 15, a bearing guide rail 16, a bearing trolley 17 and a lower guide rail 18.
Example one
As shown in fig. 1 and 2, the concealed airtight door for a two-flow vehicle includes a door 1, an upper rail 2, and a lower swing arm 10. It should be noted that each door opening is provided with two door leaves 1, and the two door leaves 1 are positioned in the side wall of the carriage when being opened.
The device also comprises an upper pressing strip 7, a left pressing strip 8 and a right pressing strip 9; the upper pressing strip 7 is fixed on the upper side of the door frame of the vehicle, and the central line of the upper pressing strip 7 is aligned with the central line of the door opening; the left pressing strip 8 is fixed in a mounting groove on the left side of the vehicle door frame, the right pressing strip 9 is fixed in a mounting groove on the right side of the vehicle door frame, and the upper surface and the lower surface of the left pressing strip 8 and the right pressing strip 9 are flush.
Sealing rubber strips are fixed on four sides of the door leaf 1, and the sealing rubber strips on the four sides of the door leaf 1 are connected with each other to form a closed shape. The structure can avoid the condition that the whole sealing effect is influenced because a gap exists at the joint of the sealing rubber strip. Wherein, the joint strip of two relative one sides of door leaf 1 is the unsmooth formula joint strip of mutually supporting, and when door leaf 1 closed, the joint strip of the front side of two door leaves 1 mutually supported and realized sealedly. The sealing rubber strips on the other three sides of the door leaf 1 are continuous sealing rubber strips, and when the door leaf 1 is closed, the sealing rubber strips are respectively extruded with the pressing strips on the corresponding sides to realize sealing.
As shown in fig. 3-5, a door carrying frame 11 is fixed on the top of the door leaf 1, and an upper guide wheel 12 and a balance wheel 13 are respectively fixed on two ends of the door carrying frame 11. The door carrying frame 11 is further fixed with a carrying trolley 17, the carrying trolley 17 is fixed with carrying wheels 14 and anti-jumping wheels 15, in this embodiment, the carrying trolley 17 is respectively provided with two carrying wheels 14 and two anti-jumping wheels 15, and the two anti-jumping wheels 15 are located between the two carrying wheels 14. The upper guide rails 2 are two and are respectively matched with the upper guide wheels 12 of the two door leaves 1. In this embodiment, the upper guide rail 2 is designed to be a circular arc surface, and the upper guide rail 2 can automatically adapt to the inclination in the installation process by adopting the circular arc surface design. The vehicle body structure further comprises a bearing guide rail 3, the bearing guide rail 3 is matched with the bearing wheels 14, the bearing guide rail 3 is opened towards the interior of the compartment, and the bearing guide rail 3 is positioned above the upper guide rail 2. The bearing guide rail 3 is respectively matched with the bearing wheels 14 and the anti-jumping wheels 15, the bearing wheels 14 are contacted with the inner bottom surface of the bearing guide rail 3, and the anti-jumping wheels 15 are contacted with the inner top surface of the bearing guide rail 3. The bearing wheels 14 are matched with the bearing guide rails 3, so that a supporting force in a gravity direction can be applied to the door leaf 1; through the cooperation of the bearing guide rail 3 and the anti-jumping wheel 15, the condition that the door leaf 1 shakes in the moving process can be prevented, and the movement of the door leaf 1 can be more stable. The balance wheel 13 can be matched with the roller pressing block (the roller pressing block selects the existing product) when the door leaf 1 is closed, so that the door leaf 1 is prevented from shaking, the closing of the door leaf 1 is influenced, and the overall motion of the door leaf 1 is ensured to be more stable.
The lower part of the door leaf 1 is fixed with a lower guide rail, the lower swing arm comprises a lower supporting roller assembly, and a roller in the lower supporting roller assembly is matched with the lower guide rail of the corresponding door leaf.
The upper guide rail 2 and the lower guide rail 18 respectively comprise a straight section and a bent section; the opposite sections of the two upper guide rails 2 are turning sections, and the rest parts are straight sections; the opposite sections of the two lower guide rails 18 are bent sections, and the rest parts are straight sections. The curved section of the upper rail 2 faces the outside of the vehicle compartment, and the curved section of the lower rail 18 faces the inside of the vehicle compartment.
Wherein, the stroke of the turning section of the upper guide rail 2 perpendicular to the door leaf 1 is 8 mm-10 mm, in this embodiment 9mm, the stroke of the turning section of the upper guide rail 2 and the straight line section of the upper guide rail 2 in the same direction is 45 mm-55 mm, in this embodiment 48mm, the turning angle of the turning section of the upper guide rail 2 is 18 degrees-23 degrees, in this embodiment 20 degrees; the turning section of the lower guide rail 18 faces the carriage, the stroke of the turning section of the lower guide rail 18 perpendicular to the door leaf 1 is 8 mm-10 mm, 9mm in the embodiment, the stroke of the turning section of the lower guide rail 18 in the same direction with the straight line section of the lower guide rail 18 is 45 mm-55 mm, 48mm in the embodiment, and the turning angle of the lower guide rail 18 is 18 degrees-23 degrees, and 20 degrees in the embodiment. The arrangement of the turning sections of the upper guide rail 2 and the lower guide rail 18 (namely the guide rail section of the door leaf 1 for the plug stroke) is adopted, so that the door can be closed smoothly even when more passengers are in the carriage in the rush hour of people flow; secondly, the original structure of the side wall of the carriage is not required to be greatly changed by the parameters; thirdly, in practical use, according to the parameters, the door leaf 1 can be tightly attached to the door frame after the plugging movement, so that the sealing property is ensured; fourthly, the parameter setting can also take the stability of the opening and closing process of the door leaf 1 into consideration.
Compared with the prior art, the upper guide rail 2 and the lower guide rail both comprise the turning sections, so that the plugging travel is added for the movement of the door leaf 1, and the door leaf 1 can normally and smoothly move when the door leaf 1 moves outwards from the side wall of the train; and when two door leafs 1 were close to the closed condition, door leaf 1 can carry out a small stopper and draw the motion, can remove the door leaf to the outside direction in carriage, makes the gap between door leaf 1 and the train lateral wall reduce, and after door leaf 1 closed, the unsmooth joint strip of the relative one side of door leaf 1 mutually supported, and the joint strip of other three sides then can laminate with upper bead 7, left layering 8 and right layering 9, and through stopper and draw the stroke, the downside of door leaf 1 can be pressed on one side of U type door footboard to further improve the leakproofness.
Except this, through the cooperation of bearing wheel 14 and bearing guide rail 3, the cooperation of last leading wheel 12 and upper guideway 2 and the cooperation of lower swing arm 10 and lower guideway, the atress of door leaf 1 is even, can very steady removal, and through the cooperation of anti-bouncing wheel 15 and bearing guide rail 3, then can prevent that door leaf 1 from appearing the shake in the removal process.
Example two
Different from the first embodiment, the present embodiment further comprises a driving mechanism, wherein the driving mechanism comprises a driving motor 4 and a lead screw 6 and nut 5 mechanism; the driving motor 4 and the screw rod 6 and nut 5 mechanisms are respectively arranged in the wall body of the vehicle through supporting seats. The driving motor 4 is connected with a screw 6 of a screw 6-nut 5 mechanism through a coupler; the nut 5 of the screw rod 6 nut 5 mechanism comprises a left-handed nut 5 and a right-handed nut 5, the left-handed nut 5 is connected with the bearing trolley 17 of the door leaf 1 on the right side through a hinge, and the right-handed nut 5 is connected with the bearing trolley 17 of the door leaf 1 on the left side through a hinge. Wherein, the lead screw 6 adopts the big pitch lead screw of stainless steel, and the nut 5 is high strength POM material, and transmission efficiency is high, and is longe-lived.
The driving motor 4 drives the screw rod 6 to rotate, the left-handed nut 5 and the right-handed nut 5 can move towards opposite or back-to-back directions when the screw rod 6 rotates, and then the two door leaves 1 are driven to move towards opposite or back-to-back directions, so that the opening and closing of the door leaves 1 can be realized. Through the structure, the opening and closing of the two door leaves 1 can be simultaneously driven through one driving mechanism, the whole structure is simplified, and the opening and closing synchronism of the two door leaves 1 can be ensured.
EXAMPLE III
The height of train door opening (the gate that the passenger came in and go out promptly) is 1860mm, and the width is 1420mm, sets up like this and to make the door opening be convenient for the passenger to come in and go out, and is convenient for install the layering, is favorable to forming airtight space after door leaf 1 closes, also convenient to detach door leaf 1 and layering simultaneously. In the driving mechanism, the distance between the screw rod 6 and the top surface of the door leaf 1 is 123 mm-130 mm, in this embodiment 125mm, so that the stress of the door leaf can be more balanced, and the abrasion of the door leaf 1 caused by the push-pull force received by the plug-pull stroke can be reduced. The distance of 18 straightways of lower guideway and 1 bottom surface of door leaf is 90-95 mm, is 92mm in this embodiment, bears the weight of the distance of 3 distance door leaves 1 tops of guide rail and is 115 mm-125 mm, is 120mm in this embodiment, can rational utilization installation space like this, makes the atress of door leaf 1 more balanced simultaneously. The horizontal distance between the bearing wheel 14 and the adjacent anti-jump wheel 15 is 62 mm-67 mm, in the embodiment 65 mm; the horizontal distance between the two anti-jumping wheels 15 is 290 mm-305 mm, in this embodiment 300mm, so that the bearing wheels 14 and the bearing wheels 14 are more stable and are not easy to loosen.
The foregoing is merely an example of the present invention, and common general knowledge in the field of known specific structures and characteristics is not described herein in any greater extent than that known in the art at the filing date or prior to the priority date of the application, so that those skilled in the art can now appreciate that all of the above-described techniques in this field and have the ability to apply routine experimentation before this date can be combined with one or more of the present teachings to complete and implement the present invention, and that certain typical known structures or known methods do not pose any impediments to the implementation of the present invention by those skilled in the art. It should be noted that, for those skilled in the art, without departing from the structure of the present invention, several changes and modifications can be made, which should also be regarded as the protection scope of the present invention, and these will not affect the effect of the implementation of the present invention and the practicability of the patent. The scope of the claims of the present application shall be determined by the contents of the claims, and the description of the embodiments and the like in the specification shall be used to explain the contents of the claims.
Claims (9)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110851296.8A CN113501019A (en) | 2021-07-27 | 2021-07-27 | Built-in sealed door of double-flow system vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110851296.8A CN113501019A (en) | 2021-07-27 | 2021-07-27 | Built-in sealed door of double-flow system vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113501019A true CN113501019A (en) | 2021-10-15 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110851296.8A Pending CN113501019A (en) | 2021-07-27 | 2021-07-27 | Built-in sealed door of double-flow system vehicle |
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| Country | Link |
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| CN (1) | CN113501019A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2705563Y (en) * | 2004-05-10 | 2005-06-22 | 南京康尼机电新技术有限公司 | Micro moving plug-pull door |
| CN102493735A (en) * | 2011-12-18 | 2012-06-13 | 青岛雷尔威机械制造有限公司 | Induction type electrically-driven sliding door device for railway vehicles |
| CN103233657A (en) * | 2012-10-24 | 2013-08-07 | 南京康尼机电股份有限公司 | Hidden sealed door for railway vehicle |
| CN107985325A (en) * | 2016-11-10 | 2018-05-04 | 北京博得交通设备有限公司 | Built-in micro moving plug-pull door |
| CN207377405U (en) * | 2017-11-01 | 2018-05-18 | 南京康尼机电股份有限公司 | A kind of airtight double open plug door of urban rail |
| CN112901002A (en) * | 2021-03-31 | 2021-06-04 | 南京康尼机电股份有限公司 | Two systems of sliding plug door that open |
-
2021
- 2021-07-27 CN CN202110851296.8A patent/CN113501019A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2705563Y (en) * | 2004-05-10 | 2005-06-22 | 南京康尼机电新技术有限公司 | Micro moving plug-pull door |
| CN102493735A (en) * | 2011-12-18 | 2012-06-13 | 青岛雷尔威机械制造有限公司 | Induction type electrically-driven sliding door device for railway vehicles |
| CN103233657A (en) * | 2012-10-24 | 2013-08-07 | 南京康尼机电股份有限公司 | Hidden sealed door for railway vehicle |
| CN107985325A (en) * | 2016-11-10 | 2018-05-04 | 北京博得交通设备有限公司 | Built-in micro moving plug-pull door |
| CN207377405U (en) * | 2017-11-01 | 2018-05-18 | 南京康尼机电股份有限公司 | A kind of airtight double open plug door of urban rail |
| CN112901002A (en) * | 2021-03-31 | 2021-06-04 | 南京康尼机电股份有限公司 | Two systems of sliding plug door that open |
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Application publication date: 20211015 |