CN216950145U

CN216950145U - Platform door insulation sealing structure

Info

Publication number: CN216950145U
Application number: CN202123256698.8U
Authority: CN
Inventors: 刘建林; 周国良; 陈海军
Original assignee: Hangzhou Xizi Rail Transit Equipment Co ltd
Current assignee: Hangzhou Xizi Rail Transit Equipment Co ltd
Priority date: 2021-12-21
Filing date: 2021-12-21
Publication date: 2022-07-12
Anticipated expiration: 2031-12-21

Abstract

The utility model relates to the technical field of rail transit, in particular to an insulating and sealing structure of a platform door, which at least comprises a sealing plate unit, a rear cover plate and an insulating and sealing unit, wherein the sealing plate unit is arranged on an air duct beam; the platform door is installed on the rear cover plate, the insulating sealing unit is arranged between the sealing plate unit and the rear cover plate, one side of the insulating sealing unit is in sealing butt joint with the sealing plate unit, and the other side of the insulating sealing unit is installed on the rear cover plate in a sealing mode. This application realizes the erection joint of wind channel roof beam and platform door through shrouding unit and back shroud, and pass through insulating seal unit between shrouding unit and the back shroud, can reduce insulating rubber material's quantity in a large number, only need insulating seal unit to install and play insulating effect between shrouding unit and back shroud, and shrouding unit and back shroud are incombustible, improve seal structure's security performance, solve and use a large amount of rubber installation platform door among the prior art and lead to having the rubber material easily burn and the big difficult problem of trade of smog when burning.

Description

Platform door insulation sealing structure

Technical Field

The utility model relates to the technical field of rail transit, in particular to an insulating and sealing structure for a platform door.

Background

At present, urban rail transit develops extremely rapidly, and product requirements are stricter, especially in the aspects of safety and reliability, insulating sealing performance and the like. The subway platform door mainly has two types of full-height platform door and half-height platform door, and the full-height platform door has the effects of protecting passenger safety, improving the platform waiting environment, insulating sound, retarding fire and the like. The full-height platform door is used as an isolation barrier between a connecting rail top air channel beam and the platform door, so that civil engineering settlement is overcome, and the requirement of insulation and sealing is met, so that the insulation, sealing and fire (fire) prevention problems are always difficult and complicated symptoms of the full-height platform door, and are also technical barriers in the urban rail transit industry.

At present, low-smoke, halogen-free and flame-retardant rubber materials are mainly adopted for sealing the track side for connecting the full-height platform door and the track top air channel beam, however, the rubber materials have the congenital fire-proof defect (a large amount of smoke is generated by combustion), so that the mode of using large-area rubber sealing becomes an industrial soft rib, and also becomes an object for numerous industry experts to think that technical innovation is needed.

SUMMERY OF THE UTILITY MODEL

In view of the above, it is desirable to provide an insulating and sealing structure for platform doors.

The utility model provides an insulating and sealing structure for a platform door, which is used for insulating and sealing and connecting the platform door and an air duct beam, and at least comprises: the closing plate unit is arranged on the air duct beam; a rear cover plate which is matched with the platform door and is arranged on the platform door; and the insulating sealing unit is arranged between the sealing plate unit and the rear cover plate, one side of the insulating sealing unit is in sealing butt joint with the sealing plate unit, and the other side of the insulating sealing unit is hermetically arranged on the rear cover plate.

In one embodiment, the insulating sealing unit comprises an insulating sealing element and a support element, one side of the insulating sealing element is in sealing abutment with the sealing plate unit, the other side of the insulating sealing element is provided with a sealing groove, and part of the rear cover plate is installed in the sealing groove; the strut member is disposed within the insulating seal member and disposed around the seal groove.

In one embodiment, the insulating seal comprises a rubber member, and the support member comprises a steel sheet; the steel sheet and the rubber piece are integrally formed in an injection molding mode.

In one embodiment, the insulating sealing member has a cavity inside of a side thereof adjacent to the sealing plate unit.

In one embodiment, a side surface of the insulating sealing member close to the sealing plate unit is provided with a first convex part, and the first convex part is in sealing abutment with the sealing plate unit.

In one embodiment, a protruding second protrusion is disposed on a groove wall of the sealing groove, and the second protrusion abuts against a portion of the rear cover plate installed in the sealing groove in a sealing manner.

In one embodiment, the second protrusion is inclined toward the bottom of the seal groove.

In one embodiment, the plate closing unit includes: the first sealing plate is arranged on the air duct beam; the second sealing plate is connected to the first sealing plate in a switching manner; wherein, along the vertical direction, the second sealing plate has a sealing surface on which the insulating sealing unit can relatively slide and abut and seal.

In one embodiment, the first sealing plate is connected to the duct beam by a first connector and is movable relative to the duct beam to adjust the position of the first sealing plate on the duct beam.

In one embodiment, the second closing plate is connected with the first closing plate through a second connecting member, and the second closing plate can move relative to the first closing plate to adjust the relative position between the second closing plate and the first closing plate.

Compared with the prior art, the platform door sealing structure provided by the utility model has the following beneficial effects:

the utility model provides a seal structure includes shrouding unit and back shroud, through shrouding unit and wind channel roof beam erection joint, the back shroud is used for connecting installation platform door, and pass through insulating seal unit between shrouding unit and the back shroud, with realize the sealed insulation between wind channel roof beam and the platform door, so realize the installation of platform door, can reduce insulating rubber material's quantity in a large number, only need insulating seal unit to install and play insulating effect between shrouding unit and back shroud, solve and use a large amount of rubber installation platform door to lead to having insulating rubber material to easily burn and a large amount of rubber burning smog big trade difficult problem among the prior art, and shrouding unit and back shroud in this application are nonflammable, thereby improve seal structure's security performance.

Drawings

Fig. 1 is a schematic view of a seal structure provided in an embodiment of the present invention.

Fig. 2 is a partially enlarged view of a portion a in fig. 1.

Fig. 3 is a partially enlarged view of fig. 1 at B.

Reference numerals: 100. a sealing structure; 10. a closing plate unit; 11. a first seal plate; 111. a first bent portion; 12. a second seal plate; 121. a sealing surface; 122. a second bent portion; 13. a first connecting member; 14. a second connecting member; 20. an insulating sealing unit; 21. an insulating seal; 22. a support member; 23. a sealing groove; 24. a cavity; 25. a first convex portion; 26. a second convex portion; 30. a rear cover plate; 31. a kidney-shaped hole; 311. an expanding portion; 312. a diameter reducing portion; 200. connecting columns; 300. an air duct beam.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is apparent that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention.

It will be understood that when an element is referred to as being "mounted on" another element, it can be directly mounted on the other element or intervening elements may also be present. When a component is referred to as being "disposed on" another component, it can be directly on the other component or intervening components may also be present. When an element is referred to as being "secured to" another element, it can be directly secured to the other element or intervening elements may also be present.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used herein in the description of the utility model is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model. As used herein, the term "or/and" includes any and all combinations of one or more of the associated listed items.

Referring to fig. 1 and 2, an embodiment of the present invention provides an insulation sealing structure 100 for a platform door for insulating and sealing a platform door and an air duct beam 300. The platform door insulating and sealing structure 100 at least comprises a closing plate unit 10, a rear cover plate 30 and an insulating and sealing unit 20, wherein the closing plate unit 10 is installed on the air duct beam 300; the rear cover plate 30 is connected to the platform door in a fitting manner and is installed on the platform door, the insulating and sealing unit 20 is disposed between the sealing plate unit 10 and the rear cover plate 30, one side of the insulating and sealing unit 20 is abutted to the sealing plate unit 10 in a sealing manner, and the other side of the insulating and sealing unit is installed on the rear cover plate 30 in a sealing manner, so that the platform door and the air duct beam 300 are installed in an insulating manner.

This application is through shrouding unit 10 and wind channel roof beam 300 erection joint, back shroud 30 is used for being connected and installing on the platform door with the platform door cooperation, and pass through insulating seal unit 20 between shrouding unit 10 and the back shroud 30, in order to realize the sealed insulation between shrouding unit 10 and back shroud 30, and then realize the sealed insulation between wind channel roof beam 300 and the platform door, so can reduce insulating rubber material's quantity in a large number, only need insulating seal unit 20 to install and play insulating effect between shrouding unit 10 and back shroud 30, solve and use a large amount of rubber installation platform door to lead to having insulating rubber material easily to burn and a large amount of rubber burning smog big trade difficult problems among the prior art, and shrouding unit 10 and back shroud 30 in this application are difficult flammable, thereby improve seal structure 100's security performance.

Referring to fig. 1, in one embodiment, the sealing plate unit 10 includes a first sealing plate 11 and a second sealing plate 12, the first sealing plate 11 is mounted on the duct beam 300, and the second sealing plate 12 is connected to the first sealing plate 11; wherein, along the vertical direction, the second cover plate 12 has a sealing surface 121, and the insulating and sealing unit 20 can slide relatively on the sealing surface 121 and abut against and seal with the sealing surface 121. After the track soil is built for a long time, the risk of civil engineering settlement exists, which causes the change of the relative distance between the platform door and the air duct beam 300, and may cause the gap between the platform door and the air duct beam 300 to cause the deterioration of the sealing performance.

With continued reference to fig. 1, the first sealing plate 11 is connected to the air duct beam 300 by a first connecting member 13, and can move relative to the air duct beam 300 to adjust the position of the first sealing plate 11 on the air duct beam 300. So, when the installation, can finely tune the mounted position of first shrouding 11 on wind channel roof beam 300, rethread first connecting piece 13 is with first shrouding 11 and wind channel roof beam 300 fastening connection behind the definite mounted position to make first shrouding 11 can adjust the mounted position according to the installation demand in the actual installation, eliminate machining error and positioning error and lead to the installation to have the shortcoming of error.

Preferably, a first long through hole (not shown in the figure) is formed in the first sealing plate 11, the first connecting member 13 can move in the first through hole to adjust the installation position of the first connecting member 13, and after the position is determined, the first sealing plate 11 is fastened and connected to the air duct beam 300 through the first connecting member 13.

In this embodiment, the first long through hole extends along the vertical direction, so that the sealing plate unit 10 can adjust its position in the vertical direction of the air duct beam 300, and of course, in other embodiments, the first through hole may also extend along other directions, or a plurality of through holes extending along different directions may be provided, so that the first sealing plate 11 can finely adjust its installation position along any direction.

Referring to fig. 1, connect through second connecting piece 14 between second shrouding 12 and the first shrouding 11, and second shrouding 12 can move first shrouding 11 relatively, with the relative position between adjusting second shrouding 12 and the first shrouding 11, so, when the installation, can finely tune the mounted position of second shrouding 12 on first shrouding 11, so that second shrouding 12 can be adjusted the mounted position according to the mounting demand in the actual installation, eliminate machining error and positioning error and lead to the shortcoming that the installation has the error.

In one embodiment, the first sealing plate 11 is provided with a second through hole (not shown), so that the second connecting member 14 can move in the second through hole to adjust the proper installation position, and then the second sealing plate 12 and the first sealing plate 11 are fastened together. Of course, in other embodiments, the extending direction of the second long through hole is not limited to the above, and the connection manner of the second closing plate 12 and the first closing plate 11 that can move relatively is not limited to the above.

Further, referring to fig. 1, the second sealing plate 12 and the first sealing plate 11 are both bending plates, the first sealing plate 11 has a first bending portion 111, the second sealing plate 12 has a second bending portion 122, and the first bending portion 111 and the second bending portion 122 are both extended along the horizontal direction, so that when the second connecting member 14 is connected to the first sealing plate 11 and the second sealing plate 12, the second connecting member 14 is disposed along the vertical direction, and is pulled by the gravity of the second sealing plate 12, and the gravity is shared by the first sealing plate 11, the second sealing plate 12 and the second connecting member 14, so as to reduce the effect on the second connecting member 14, so as to improve the service life of the second connecting member 14, improve the connection stability, and reduce the maintenance frequency, if the second connecting member 14 is disposed perpendicular to the sealing surface 121, the shearing force applied to the second connecting member 14 is significantly increased, which may cause the second connection to be easily bent or even broken, affecting the stability of the connection of the first and

second closure plates

11, 12.

Referring to fig. 1 and 3, the back cover plate 30 is provided with a waist-shaped hole 31, an end of the waist-shaped hole 31 close to the platform door is an expanded diameter portion 311, an end close to the air duct beam 300 is a reduced diameter portion 312, and the width of the expanded diameter portion 311 is greater than that of the reduced diameter portion 312. The platform door is provided with a connecting column 200, a groove is formed in the circumferential direction of the connecting column 200, when the platform door is installed, the connecting column 200 extends into an expanding portion 311, the groove corresponds to the edge of the kidney-shaped hole 31, the platform door is adjusted to be vertical, the connecting column 200 is lifted and slides into a reducing portion 312 by the platform door, the connecting column 200 is adjusted to enable the groove not to be aligned with a rectangle, the connecting column 200 is clamped in the reducing portion 312 of the kidney-shaped hole 31, the rear cover plate 30 and the platform door are installed in a matched mode, the platform door and the rear cover plate 30 are convenient to detach, the platform door is readjusted to enable the groove to correspond to the rectangle of the kidney-shaped hole 31 and slide the connecting column 200 downwards, the connecting column 200 can be taken out from the expanding portion 311 to be separated from the kidney-shaped hole 31, and detaching and separating between the rear cover plate 30 and the platform door are achieved.

Referring to fig. 1 and 2, in one embodiment, the insulating sealing unit 20 includes an insulating sealing member 21 and a supporter 22, one side of the insulating sealing member 21 is in sealing contact with the sealing plate unit 10, the other side of the insulating sealing member is provided with a sealing groove 23, and a portion of the rear cover plate 30 is installed in the sealing groove 23, so that the rear cover plate 30 is in sealing connection with the insulating sealing unit 20, thereby improving sealing performance; in addition, the support 22 is arranged in the insulating sealing element 21 and arranged around the sealing groove 23, and the support 22 is used for improving the strength of the sealing groove 23 and preventing the sealing groove 23 from being deformed due to overlarge stress to influence the sealing performance.

Preferably, in the present embodiment, the insulating seal member 21 includes a rubber member, and the support member 22 includes a steel sheet; wherein, the steel sheet and the rubber piece are integrally injection molded. So, support piece 22 can improve insulating seal 21's intensity, and support piece 22 is the steel sheet, and is difficult to burn, sets up support piece 22 in the rubber spare, can also reduce the use of rubber, in case the rubber spare burning, its volume is less, and the smog of burning also corresponds lessly, effectively solves among the prior art rubber and uses too much to lead to platform seal structure 100 fire behavior to descend, and the burning produces the difficult problem of trade of a large amount of dense cigarettes.

Referring to fig. 2, the insulating sealing member 21 has a cavity 24 inside of a side thereof adjacent to the sealing plate unit 10. By the arrangement, the using amount of the insulating rubber is further reduced.

Further, referring to fig. 2, a second protruding portion 26 is disposed on the wall of the sealing groove 23, and the second protruding portion 26 abuts against the portion of the back cover plate 30 extending into the sealing groove 23 in a sealing manner. The contact area between the insulating seal 21 and the rear cover plate 30 is increased by the second protrusion 26 to improve the sealing performance between the rear cover plate 30 and the insulating seal 21, thereby improving the sealing performance between the air duct beam 300 and the platform door.

Preferably, the second protrusion 26 is inclined toward the bottom of the sealing groove 23, when the back cover plate 30 is installed, the back cover plate 30 is guided to be deep into the sealing groove 23, when the back cover plate 30 is installed, due to the gravity of the back cover plate 30, a trend and a friction force of relative movement exist between the back cover plate 30 and the insulating sealing member 21, and at this time, the second protrusion 26 can increase the friction force between the insulating sealing member 21 and the back cover plate 30, so as to prevent the back cover plate 30 from falling off.

Referring to fig. 1 and 2, a first protrusion 25 is provided on a side surface of the insulating sealing member 21 close to the sealing plate unit 10, the first protrusion 25 is in sealing abutment with the sealing plate unit 10, and a contact area between the insulating sealing member 21 and the sealing plate unit 10 is increased by the first protrusion 25, so as to improve a sealing performance between the sealing plate unit 10 and the insulating sealing member 21.

It should be noted that the terms "first", "second", and the like are used to define the components, and are only used for convenience of distinguishing the corresponding components, and the terms have no special meanings unless otherwise stated, and therefore, the scope of the present invention should not be construed as being limited.

The features of the above embodiments may be arbitrarily combined, and for the sake of brevity, all possible combinations of the features in the above embodiments are not described, but should be construed as being within the scope of the present specification as long as there is no contradiction between the combinations of the features.

It should be understood by those skilled in the art that the above embodiments are only for illustrating the present invention and are not to be used as a limitation of the present invention, and that suitable changes and modifications of the above embodiments are within the scope of the claimed invention as long as they are within the spirit and scope of the present invention.

Claims

1. A platform door insulating and sealing structure for insulating and sealing a platform door and an air duct beam (300), the platform door insulating and sealing structure comprising at least:

the sealing plate unit (10) is arranged on the air duct beam (300);

a rear cover plate (30) which is matched with the platform door and is arranged on the platform door;

and an insulating sealing unit (20) which is arranged between the sealing plate unit (10) and the rear cover plate (30), wherein one side of the insulating sealing unit (20) is in sealing contact with the sealing plate unit (10), and the other side of the insulating sealing unit is mounted on the rear cover plate (30) in a sealing manner.

2. The platform door insulating and sealing structure of claim 1, wherein the insulating and sealing unit (20) comprises an insulating and sealing member (21) and an anchor member (22), one side of the insulating and sealing member (21) is in sealing abutment with the sealing plate unit (10), the other side is provided with a sealing groove (23), and part of the rear cover plate (30) is installed in the sealing groove (23);

the struts (22) are arranged in the sealing groove (23) and extend around the sealing groove (23).

3. A platform door insulation sealing structure according to claim 2, wherein the insulation sealing member (21) comprises a rubber member, and the support member (22) comprises a steel sheet;

wherein, the steel sheet and the rubber part are integrally formed by injection molding.

4. A platform door insulating and sealing structure according to claim 2, wherein the insulating and sealing member (21) has a cavity (24) on the inside of the side thereof adjacent to the plate unit (10).

5. A platform door insulating and sealing structure according to claim 2, wherein a first protrusion (25) is provided on a side of the insulating and sealing member (21) adjacent to the sealing plate unit (10), the first protrusion (25) being in sealing abutment with the sealing plate unit (10).

6. A platform door insulation sealing structure according to claim 2, wherein the bracing member (22) is provided with a second protruding portion (26), and the second protruding portion (26) is in sealing abutment with the portion of the rear cover plate (30) mounted in the sealing groove (23).

7. The platform door insulation sealing structure according to claim 6, wherein the second protrusion (26) is provided to be inclined toward a bottom direction of the sealing groove (23).

8. A platform door insulating and sealing structure according to claim 1, wherein the sealing plate unit (10) includes:

a first sealing plate (11) mounted on the air duct beam (300)

The second sealing plate (12) is connected to the first sealing plate (11) in an adapting mode;

wherein, along the vertical direction, the second closing plate (12) is provided with a sealing surface (121), and the insulating and sealing unit (20) can slide relatively on the sealing surface (121) and is abutted and sealed with the sealing surface (121).

9. The platform door insulating and sealing structure according to claim 8, wherein the first sealing plate (11) is connected to the air duct beam (300) by a first connecting member (13) and is movable relative to the air duct beam (300) to adjust the position of the first sealing plate (11) on the air duct beam (300).

10. A platform door insulating and sealing arrangement as claimed in claim 8 or claim 9, wherein the second sealing plate (12) is connected to the first sealing plate (11) by a second connector (14), and the second sealing plate (12) is movable relative to the first sealing plate (11) to adjust the relative position between the second sealing plate (12) and the first sealing plate (11).