Multiple seal movable window and rail vehicle

Abstract

The application provides a multiple sealing movable window and a rail vehicle, and belongs to the technical field of vehicle windows. The multiple sealing movable window comprises a window frame, a movable window and a sealing assembly. The movable window is arranged in the window frame. The upper end of the movable window is hinged to the upper side of the window frame. The lower end of the movable window has a closed state of being closed in the window frame. The movable window also has an open state of rotating outward around the hinged end to be away from the side wall of the carriage. The sealing assembly comprises an outer sealing piece and an inner sealing piece which are arranged at intervals along the thickness direction of the side wall. The outer sealing piece and the inner sealing piece are arranged to extend around the outer edge of the movable window. One side of the outer sealing piece is connected with the movable window, and the other side is connected with the window frame. The inner sealing piece is limited between the window frame and the movable window. The rail vehicle is provided with multiple groups of the multiple sealing movable window. The multiple sealing movable window and the rail vehicle provided by the application have good sealing performance, and can avoid the phenomenon of rain leakage and air leakage.

Description

TECHNICAL FIELD

[0001] The present application belongs to the technical field of vehicle windows, and more particularly to a multiple-sealing sliding window and a rail vehicle. BACKGROUND

[0002] With the vigorous development of urban rail vehicles, the structural requirements for the window systems of the urban rail vehicles are also increasingly high. Many vehicles require to use partial sliding windows, which can be opened for ventilation in emergency situations, and also have good sealing performance to meet the dual needs of production and operation.

[0003] In the prior art, the sliding window includes an inward-opening type, an upper window and a lower window, and an upper window and a lower window are pulled up and down. The inward-opening sliding window is usually used, and a single-layer sealing structure is arranged at the opening end of the window, which has poor sealing performance and is prone to air leakage or rain leakage. SUMMARY

[0004] The present application aims to provide a multiple-sealing sliding window and a rail vehicle, and aims to solve the technical problem of poor sealing performance in the window structure of the existing rail vehicle, which is prone to air leakage or rain leakage.

[0005] To achieve the above-mentioned purpose, the technical solution adopted by the present application is:

[0006] In a first aspect, a multiple-sealing sliding window is provided, comprising:

[0007] a window frame;

[0008] a sliding window arranged in the window frame; an upper end of the sliding window is hinged to an upper side of the window frame, the sliding window has a closed state in which a lower end of the sliding window is closed on the window frame, and also has an open state in which the sliding window is rotated outward around the hinged end to a position in which the lower end is away from the side wall of the vehicle compartment;

[0009] a sealing assembly comprising an outer sealing member and an inner sealing member arranged in a thickness direction of the side wall, the outer sealing member and the inner sealing member being arranged to extend around an outer edge of the sliding window; one side of the outer sealing member is connected to the sliding window, and the other side is connected to the window frame; the inner sealing member is limited between the window frame and the sliding window.

[0010] In combination with the first aspect, in a possible implementation manner, the inner sealing member comprises:

[0011] a first sealing member clamped between the upper side of the sliding window and the upper side of the window frame; the first sealing member extends in the direction of travel of the vehicle compartment;

[0012] three second sealing members connected in sequence in a U shape and arranged around the bottom of the sliding window and the two sides in the extension direction of the first sealing member, the second sealing members being clamped to the corresponding sides of the window frame.

[0013] Wherein, when the movable window is in the closed state, the first seal is clamped between the movable window and the window frame, and the second seal is clamped on the window frame; when the movable window is in the open state, the first seal is still clamped between the movable window and the window frame, and the second seal is separated from the window frame along with the movable window.

[0014] In some embodiments, the upper side of the window frame is connected with the upper end of the movable window through a hinge shaft fixedly arranged on the side of the window frame facing the movable window.

[0015] Wherein, the outer seal and the first seal located at the upper end are arranged on the inner and outer sides of the hinge shaft respectively.

[0016] For example, the upper side of the window frame is provided with a connecting arm protruding downward from the bottom of the window frame, and the side of the connecting arm close to the movable window is curved outward of the vehicle cabin, and the hinge shaft is connected to the curved side of the connecting arm; the connecting arm, the upper side of the window frame, the upper side of the movable window and the outer seal are left with a space.

[0017] In some embodiments, the side of the connecting arm close to the inside of the vehicle cabin and the upper side wall of the window frame form a first mounting part, and the movable window close to the inside of the vehicle cabin is provided with a second mounting part arranged opposite to the first mounting part.

[0018] Wherein, the first mounting part and the second mounting part enclose a first mounting space, and the first seal is connected in the first mounting space.

[0019] In some embodiments, the first seal is arranged parallel to the window surface of the movable window and clamped between the movable window and the window frame; and the second seal is arranged perpendicular to the window surface of the movable window, and one side of the second seal is connected to the movable window and the other side is limited on the window frame.

[0020] In combination with the first aspect, in a possible implementation manner, the outer seal comprises:

[0021] A third seal is arranged on the upper side of the window frame in the running direction of the vehicle cabin; and the third seal is limited on the upper side of the movable window.

[0022] Three fourth seals are arranged in sequence in a U shape and enclose the bottom side of the movable window and the two sides along the extension direction of the first seal, and the fourth seals are detachably connected to the corresponding sides of the window frame.

[0023] Wherein, when the movable window is in the closed state, the third sealing member is clamped on the upper side of the movable window, and the fourth sealing members are connected on the corresponding sides of the window frame; when the movable window is in the opened state, the third sealing member is still clamped on the upper side of the movable window, and the fourth sealing members are separated from the corresponding sides of the window frame along with the movable window.

[0024] In some embodiments, one side of the third sealing member is provided with a first connecting strip, the upper side of the window frame is provided with a first connecting groove matched with the first connecting strip, and the first connecting strip is arranged in the first connecting groove; the other side of the third sealing member is clamped on the upper side of the movable window.

[0025] One side of the fourth sealing member is provided with a second connecting strip, the upper side of the movable window is provided with a second connecting groove matched with the second connecting strip, and the second connecting strip is arranged in the second connecting groove; the other side of the fourth sealing member is clamped on the window frame.

[0026] For example, the two groove side walls of the first connecting groove are respectively provided with first limiting parts protruding towards the third sealing member, the first connecting strip is provided with a first groove, and the first limiting parts are arranged in the first groove.

[0027] The two groove side walls of the second connecting groove are respectively provided with second limiting parts protruding towards the fourth sealing member, the second connecting strip is provided with a second groove, and the first limiting parts are arranged in the second groove.

[0028] Compared with the prior art, the scheme shown in the embodiments of the application realizes the sealed connection of the window frame and the movable window by extending the sealing assembly outside the movable window, realizes the double sealing of the inner and outer sides of the movable window by spacing the outer sealing member and the inner sealing member along the thickness direction of the side wall, improves the sealing performance of the vehicle window, and avoids the phenomenon of air leakage or rain leakage.

[0029] In a second aspect, the application further provides a railway vehicle provided with a plurality of groups of the above-mentioned multiple-sealing movable windows.

[0030] The railway vehicle provided by the application has all the beneficial effects of the multiple-sealing movable window, realizes the double sealing of the movable window, has good sealing performance, and can avoid the phenomenon of air leakage or rain leakage. BRIEF DESCRIPTION OF DRAWINGS

[0031] In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed to be used in the embodiments or prior art description will be briefly introduced. Obviously, the drawings in the following description are only some embodiments of the present application, and other drawings can be obtained by those skilled in the art without any creative effort based on these drawings.

[0032] Figure 1 The structural schematic diagram of the multiple-sealing movable window provided by the embodiment of the present application;

[0033] Figure 2 The upper side connecting structure schematic diagram of the window frame and the movable window provided by the embodiment of the present application;

[0034] Figure 3 The structural schematic diagram of the first connecting strip and the first connecting groove provided by the embodiment of the present application;

[0035] Figure 4 The lower side connecting structure schematic diagram of the window frame and the movable window provided by the embodiment of the present application;

[0036] Figure 5 The structural schematic diagram of the second connecting strip and the second connecting groove provided by the embodiment of the present application;

[0037] Figure 6 The structural schematic diagram of the installation of the outer sealing member and the inner sealing member provided by the embodiment of the present application.

[0038] In the figure: 1, window frame; 11, upper sealing frame; 111, connecting arm; 112, hinged shaft; 113, space for giving way; 114, first mounting part; 115, first connecting groove; 1151, first limiting part; 12, side sealing frame; 13, lower sealing frame;

[0039] 2, movable window; 21, connecting frame; 211, second mounting part; 212, second connecting groove; 2121, second limiting part; 22, adhesive layer; 23, glass composition;

[0040] 3, first sealing member;

[0041] 4, second sealing member;

[0042] 5, third sealing member; 51, first connecting strip; 511, first recess; 52, first clamping strip;

[0043] 6, fourth sealing member; 61, second connecting strip; 611, second recess; 62, second clamping strip;

[0044] 7, handle lock. DETAILED DESCRIPTION

[0045] In order to make the technical problems, technical solutions and beneficial effects of the present application clearer, further detailed description of the present application is made below in combination with the accompanying drawings and examples. It should be understood that the specific examples described herein are only used to explain the present application and not to limit the present application.

[0046] It should be noted that when an element is referred to as being "disposed on" another element, it can be directly on the other element or indirectly on the other element. It should be understood that the terms "length", "width", "upper", "lower", "front", "rear", "top", "bottom", "inner", "outer" and the like refer to the orientation or position shown in the drawings, and are only used to facilitate the description of the present application and simplify the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the present application.

[0047] The terms "first", "second" are only for descriptive purposes and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the technical features indicated. Therefore, the features defined with "first", "second" can explicitly or implicitly include one or more of the features. In the description of the present application, the meaning of "several" is two or more, unless otherwise explicitly specified.

[0048] Please refer to Figures 1 to 6 , the multiple sealing movable window and rail vehicle provided by the present application will be described. The multiple sealing movable window comprises a window frame 1, a movable window 2 and a sealing assembly; the movable window 2 is arranged in the window frame 1; the upper end of the movable window 2 is hinged to the upper side of the window frame 1, the movable window 2 has a closed state in which the lower end is closed on the window frame 1, and also has an open state in which it is turned outward around the hinged end to the lower end away from the side wall of the carriage; the sealing assembly comprises an outer sealing member and an inner sealing member which are arranged in the thickness direction of the side wall and are spaced apart; the outer sealing member and the inner sealing member are arranged around the outer edge of the movable window 2, one side of the outer sealing member is connected with the movable window 2, and the other side is connected with the window frame 1; the inner sealing member is limited between the window frame 1 and the movable window 2.

[0049] It should be noted that the movable window 2 comprises a connecting frame 21 and a glass component 23, and an adhesive layer 22 is arranged between the connecting frame 21 and the glass component 23 to fix the connecting frame 21 and the glass component 23; further, the connecting frame 21 is used to connect with the window frame 1 through the sealing assembly.

[0050] Optionally, the movable window 2 is of a rectangular structure, and the window frame 1 is of a rectangular structure which is adapted to the shape of the movable window 2.

[0051] It needs to be understood that the window frame 1 comprises an upper sealing frame 11, a lower sealing frame 13 and two side sealing frames 12 which are parallel and spaced apart in up and down directions; the first sealing member 3 and the third sealing member 5 are connected with the upper sealing frame 11, the second sealing member 4 and the fourth sealing member 6 at the bottom side are connected with the lower sealing frame 13, and the second sealing member 4 and the fourth sealing member 6 at the two sides are connected with the two side sealing frames 12 correspondingly.

[0052] Specifically, the window frame 1 is used for being mounted on the side wall of the vehicle cabin.

[0053] Optionally, at least one handle lock 7 is mounted on the movable window 2 to ensure that the vehicle window is closed and locked in place.

[0054] Specifically, a set of support rods are further arranged on the two side sealing frames 12 respectively, the set of support rods are used for connecting the two sides of the connecting frame 21 of the movable window 2 and the side sealing frames 12 respectively, and are used for supporting the movable window 2 in the open position; the specific structure and working principle of the set of support rods belong to the prior art, and will not be described here.

[0055] In addition, it needs to be explained that the inside and the outside in the present application are relative to the inside and the outside of the vehicle cabin.

[0056] Compared with the prior art, the multiple sealing movable window provided by the present application realizes the sealing connection between the window frame 1 and the movable window 2 by extending the sealing assembly outward of the movable window 2, realizes the double sealing of the inside and the outside of the movable window 2 by spacing the outer sealing member and the inner sealing member along the thickness direction of the side wall, improves the sealing performance of the vehicle window, and avoids the phenomenon of air leakage or rain leakage.

[0057] Please refer to Figure 2 and Figure 4 , Figure 6 In some possible embodiments, the inner sealing member comprises the first sealing member 3 and three second sealing members 4; the first sealing member 3 is clamped between the upper side of the movable window 2 and the upper side of the window frame 1; the first sealing member 3 extends along the running direction of the vehicle cabin; the three second sealing members 4 are sequentially connected in a U shape and are arranged around the bottom of the movable window 2 and the two sides along the extension direction of the first sealing member 3, and the second sealing members 4 are clamped on the corresponding sides of the window frame 1; wherein when the movable window 2 is in the closed state, the first sealing member 3 is clamped between the movable window 2 and the window frame 1, and the second sealing members 4 are clamped on the window frame 1; when the movable window 2 is in the open state, the first sealing member 3 is still clamped between the movable window 2 and the window frame 1, and the second sealing members 4 are separated from the window frame 1 along with the movable window 2

[0058] By arranging the first sealing member 3 and the second sealing member 4, the movable window 2 is respectively sealed around the outer side, and the sealing performance of the movable window 2 is improved.

[0059] It should be understood that when the lower side of the movable window 2 is pushed to rotate around the upper hinged side, the movable window 2 is rotated from the closed state to the open state, and the first sealing element 3 keeps the movable window 2 in the pressing state with the window frame 1 and rotates around the hinged side, and the second sealing element 4 rotates with the movable window 2 and moves away from the window frame 1.

[0060] Please refer to Figure 2 and Figure 3 In some embodiments, the upper side of the window frame 1 and the upper end of the movable window 2 are connected through a hinged shaft 112, which is fixedly arranged on the side of the window frame 1 facing the movable window 2; wherein the outer sealing element at the upper end and the first sealing element 3 are arranged on the inner and outer sides of the hinged shaft 112 respectively.

[0061] By arranging the connecting arm 111 and the hinged shaft 112, the movable window 2 is connected to the upper side of the window frame 1, so that the upper side of the movable window 2 rotates around the hinged shaft 112, thereby realizing the switching of the movable window 2 between the closed state and the open state.

[0062] By arranging the outer sealing element at the upper end and the first sealing element 3 on the inner and outer sides of the hinged shaft 112 respectively, the inner and outer sides of the hinged shaft 112 are provided with sealing structures, thereby avoiding rainwater from leaking into the vehicle cabin from the hinged shaft 112.

[0063] Preferably, the hinged shaft 112 and the connecting arm 111 are integrally formed.

[0064] Please refer to Figure 3 For example, the upper side of the window frame 1 is provided with a connecting arm 111 protruding downward from the bottom of the window frame 1, and the side of the connecting arm 111 close to the movable window 2 has a curvature bending outward of the vehicle cabin, and the hinged shaft 112 is connected to the curved side of the connecting arm 111; the connecting arm 111 and the upper side of the window frame 1, the upper side of the movable window 2 and the outer sealing element leave a space 113.

[0065] It should be understood that during the rotation of the movable window 2 around the hinged shaft 112 to the open state, the lower side of the movable window 2 will swing upward around the hinged shaft 112, and by connecting the hinged shaft 112 to the curved side of the connecting arm 111 and arranging the above-mentioned space 113, interference between the movable window 2 and the upper sealing frame 11 during rotation is avoided.

[0066] Please refer to Figure 2 For example, the side of the connecting arm 111 close to the inside of the vehicle cabin and the upper side wall of the window frame 1 form a first mounting portion 114, and the inside of the movable window 2 close to the vehicle cabin is provided with a second mounting portion 211 arranged opposite to the first mounting portion 114; wherein the first mounting portion 114 and the second mounting portion 211 enclose a first mounting space, and the first sealing element 3 is connected in the first mounting space.

[0067] The first sealing member 3 is pressed in the installation space by setting the first installation part 114 and the second installation part 211.

[0068] Please refer to Figure 2 In some embodiments, the first sealing member 3 is arranged parallel to the window surface of the movable window 2 and is clamped between the movable window 2 and the window frame 1; and the second sealing member 4 is arranged perpendicular to the window surface of the movable window 2, and one side of the second sealing member 4 is connected to the movable window 2 and the other side is limited on the window frame 1.

[0069] The second sealing member 4 arranged perpendicular to the outer sealing member improves the sealing performance of the movable window 2.

[0070] Optionally, one side of the first sealing member 3 is provided with a third connecting strip, and the side of the second installation part 211 close to the glass assembly 23 is provided with a third connecting groove matched with the third connecting strip, and the third connecting strip is limited in the third connecting groove.

[0071] Further, the third connecting groove is provided with a third limiting part, and the third connecting strip is provided with a third groove, and the third limiting part is limited in the third groove.

[0072] Optionally, one side of the second sealing member 4 is provided with a fourth connecting strip, and the two sealing frames 12 and the lower sealing frame 13 are provided with fourth connecting grooves matched with the fourth connecting strip, and when the movable window 2 is in the closed state, the fourth connecting strip is limited in the fourth connecting groove.

[0073] Further, the fourth connecting groove is provided with a fourth limiting part, and the fourth connecting strip is provided with a fourth groove, and the fourth limiting part is limited in the fourth groove.

[0074] Please refer to Figure 3 and Figure 4 In some possible embodiments, the outer sealing member includes a third sealing member 5 and three fourth sealing members 6; the third sealing member 5 is arranged on the upper side of the window frame 1 along the running direction of the vehicle compartment; the third sealing member 5 is limited on the upper side of the movable window 2; the three fourth sealing members 6 are arranged in sequence in a U shape and are arranged around the bottom side of the movable window 2 and the two sides along the extension direction of the first sealing member 3, and the fourth sealing members 6 are detachably connected to the corresponding sides of the window frame 1; wherein when the movable window 2 is in the closed state, the third sealing member 5 is clamped on the upper side of the movable window 2, and the three fourth sealing members 6 are connected to the corresponding sides of the window frame 1; when the movable window 2 is in the open state, the third sealing member 5 is still clamped on the upper side of the movable window 2, and the multiple fourth sealing members 6 are separated from the corresponding sides of the window frame 1 along with the movable window 2.

[0075] The third seal 5 and the fourth seal 6 are arranged to seal the outside of the movable window 2. In addition, the fourth seal 6 is detachably connected to the window frame 1, so that the fourth seal 6 can be separated from the corresponding side of the window frame 1 when the movable window 2 needs to be opened.

[0076] Referring to Figure 3 and Figure 4 In some embodiments, one side of the third seal 5 is provided with a first connecting strip 51, the upper side of the window frame 1 is provided with a first connecting groove 115 matched with the first connecting strip 51, and the first connecting strip 51 is arranged in the first connecting groove 115; the other side of the third seal 5 is clamped on the upper side of the movable window 2; one side of the fourth seal 6 is provided with a second connecting strip 61, and the upper side of the movable window 2 is provided with a second connecting groove 212 matched with the second connecting strip 61, and the second connecting strip 61 is arranged in the second connecting groove 212; the other side of the fourth seal 6 is clamped on the window frame 1.

[0077] The first connecting strip 51 and the first connecting groove 115 are arranged to realize the sealing connection between the third seal 5 and the upper side of the window frame 1, and the lower end of the third seal 5 is clamped on the upper side of the movable window 2 to realize the sealing connection between the third seal 5 and the upper side of the movable window 2. Similarly, the second connecting strip 61 and the second connecting groove 212 are arranged to realize the sealing connection between the fourth seal 6 and the lower side of the movable window 2, and the lower end of the fourth seal 6 is clamped on the window frame 1 to realize the sealing connection between the third seal 5 and the lower sealing frame 13 and the two side sealing frames 12.

[0078] Referring to Figure 4 For example, the two groove side walls of the first connecting groove 115 are respectively provided with first limiting portions 1151 protruding towards the third seal 5, the first connecting strip 51 is provided with a first recess 511, and the first limiting portions 1151 are arranged in the first recess 511; the two groove side walls of the second connecting groove 212 are respectively provided with second limiting portions 2121 protruding towards the fourth seal 6, and the second connecting strip 61 is provided with a second recess 611, and the first limiting portions 1151 are arranged in the second recess 611.

[0079] The first limiting portions 1151 are arranged to limit the third seal 5 on the upper side of the window frame 1, and the second limiting portions 2121 are arranged to limit the third seal 5 on the movable window 2 when the movable window 2 is in a closed state.

[0080] For example, the outer seal is in an arc-shaped structure protruding towards the outside of the vehicle cabin.

[0081] For example, to achieve the above-mentioned snap connection mode, the snap end of the third sealing member 5 is provided with at least one first snap strip 52, the outer peripheral wall on the upper side of the movable window 2 is provided with a first snap groove matched with the first snap strip 52, and the first snap strip 52 is connected in the first snap groove; the snap end of the fourth sealing member 6 is provided with at least one second snap strip 62, and the outer peripheral wall of the window frame 1 is provided with a first snap groove matched with the first snap strip 52, and the first snap strip 52 is connected in the first snap groove; specifically, the first snap strip 52 and the second snap strip 62 are both arranged to extend around the outer edge of the movable window 2.

[0082] In addition, the present application also provides a rail vehicle, which is provided with a plurality of groups of the above-mentioned multiple-seal movable windows. Specifically, a plurality of groups of the above-mentioned multiple-seal movable windows are arranged on the side wall of the rail vehicle and are spaced apart along the running direction of the car.

[0083] The rail vehicle provided by the present application has all the beneficial effects of the above-mentioned multiple-seal movable window, can realize double sealing of the movable window 2, has good sealing performance, and can avoid the phenomenon of air leakage or rain leakage.

[0084] The above-mentioned is only a preferred embodiment of the present application, and is not used to limit the present application. Any modification, equivalent replacement and improvement made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. Multiple sealing sliding window, characterized by, include: window frame; A movable window is provided within the window frame; the upper end of the movable window is hinged to the upper side of the window frame; the movable window has a closed state where the lower end is closed on the window frame, and also has an open state where it rotates outward around its hinged end to the side wall away from the carriage at the lower end; A sealing assembly includes an outer sealing element and an inner sealing element spaced apart along the thickness direction of the sidewall, the outer sealing element and the inner sealing element extending around the outer edge of the movable window; one side of the outer sealing element is connected to the movable window and the other side is connected to the window frame; the inner sealing element is positioned between the window frame and the movable window. The inner sealing element includes a first sealing element, which is clamped between the upper side of the movable window and the upper side of the window frame; the first sealing element extends along the travel direction of the carriage; when the movable window is in the closed state, the first sealing element is clamped between the movable window and the window frame; when the movable window is in the open state, the first sealing element is still clamped between the movable window and the window frame. The upper side of the window frame is connected to the upper end of the movable window by a hinge shaft, which is fixedly installed on the side of the window frame facing the movable window; wherein, the outer sealing member and the first sealing member located at the upper end are respectively provided on the inner and outer sides of the hinge shaft.

2. The multiple-seal, movable window of claim 1, wherein, The inner seal also includes: Three second seals are connected in a U-shape and arranged around the bottom of the movable window and on both sides along the extension direction of the first seal. The second seals are snapped into the corresponding sides of the window frame. When the movable window is in the closed state, the second seal is engaged with the window frame; when the movable window is in the open state, the second seal disengages from the window frame along with the movable window.

3. The multiple-seal, movable window of claim 2, wherein, The upper side of the window frame is provided with a connecting arm that protrudes downward from the bottom of the window frame, and the side of the connecting arm near the movable window has an arc that bends outward toward the outside of the carriage. The hinge shaft is connected to the curved side of the connecting arm. A clearance space is left between the connecting arm and the upper side of the window frame, the upper side of the movable window, and the outer sealing element.

4. The multiple-seal, moving window of claim 3, wherein, The connecting arm has a first mounting portion formed between the side of the connecting arm near the interior of the carriage and the upper side wall of the window frame, and the movable window has a second mounting portion opposite to the first mounting portion on the inner side near the carriage. The first mounting part and the second mounting part enclose a first mounting space, and the first sealing element is connected within the first mounting space.

5. The multiple-seal, movable window of claim 2, wherein, The first sealing member is arranged parallel to the window surface of the movable window and clamped between the movable window and the window frame; the second sealing member is arranged perpendicular to the window surface of the movable window, and one side of the second sealing member is connected to the movable window, while the other side is limited to the window frame.

6. The multiple-seal, moving window of claim 1, wherein, The external sealing element includes: A third sealing element extends along the travel direction of the carriage and is disposed on the upper side of the window frame; the third sealing element is limited to the upper side of the movable window; Three fourth sealings are connected in sequence in U shape and arranged around the bottom side and both sides of the movable window along the extending direction of the first sealing, and the fourth sealings are detachably connected to the corresponding sides of the window frame; When the movable window is in the closed state, the third sealing is clamped to the upper side of the movable window, and the three fourth sealings are connected to the corresponding sides of the window frame; when the movable window is in the open state, the third sealing is still clamped to the upper side of the movable window, and the fourth sealings are separated from the corresponding sides of the window frame along with the movable window.

7. The multiple-seal, movable window of claim 6, wherein, One side of the third sealing is provided with a first connecting strip, the upper side of the window frame is provided with a first connecting groove matched with the first connecting strip, and the first connecting strip is arranged in the first connecting groove; the other side of the third sealing is clamped to the upper side of the movable window; One side of the fourth sealing is provided with a second connecting strip, the upper side of the movable window is provided with a second connecting groove matched with the second connecting strip, and the second connecting strip is arranged in the second connecting groove; the other side of the fourth sealing is clamped to the window frame.

8. The multiple-seal, movable window of claim 7, wherein, First limiting parts protruding towards the third sealing are arranged on two groove side walls of the first connecting groove, a first recess is arranged on the first connecting strip, and the first limiting parts are arranged in the first recess; Second limiting parts protruding towards the fourth sealing are arranged on two groove side walls of the second connecting groove, a second recess is arranged on the second connecting strip, and the first limiting parts are arranged in the second recess.

9. Railway vehicle, characterised in that A plurality of groups of the multiple-sealing movable window according to any one of claims 1-8 are arranged.

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