CN219327491U

CN219327491U - Auxiliary door sealing strip for subway entrance and exit

Info

Publication number: CN219327491U
Application number: CN202320833550.6U
Authority: CN
Inventors: 唐春生; 赵震霖; 刘晓平; 战明强
Original assignee: Qingdao Haihuida Rubber & Plastic Material Co ltd
Current assignee: Qingdao Haihuida Rubber & Plastic Material Co ltd
Priority date: 2023-04-14
Filing date: 2023-04-14
Publication date: 2023-07-11
Anticipated expiration: 2033-04-14

Abstract

The utility model discloses an auxiliary door seal for subway entrance and exit, which comprises a seal strip, wherein a first groove is formed in the right side of the seal strip, a second groove is formed in the top of the seal strip, a third groove is formed in the bottom of the seal strip, an air groove is formed in the left side of the seal strip, and the seal strip comprises a base layer, a first high temperature resistant layer, a second high temperature resistant layer, an ageing resistant layer and a wear resistant layer. According to the utility model, through the matching of the sealing strip, the first groove, the second groove, the third groove, the air groove, the base layer, the first high-temperature resistant layer, the second high-temperature resistant layer, the ageing resistant layer, the wear resistant layer, the first protective layer and the second protective layer, the advantages of high temperature resistance and ageing resistance are realized, the problems that the conventional auxiliary door sealing strip has good ageing resistance effect in use are solved, if the auxiliary door sealing strip does not have the advantages of good ageing resistance effect, the auxiliary door sealing strip cannot be protected, the auxiliary door sealing strip is easy to age and damage due to corrosion of external corrosive substances, and the service life of the auxiliary door sealing strip is reduced.

Description

Auxiliary door sealing strip for subway entrance and exit

Technical Field

The utility model relates to the technical field of auxiliary doors, in particular to an auxiliary door seal for subway entrance and exit.

Background

The subway is a rapid, large-traffic and electric traction rail traffic built in a city, a train runs on a totally-enclosed line, the line positioned in a central urban area is basically arranged in an underground tunnel, the line outside the central urban area is generally arranged on a viaduct or the ground, an auxiliary door for subway entrance and exit belongs to an article required by subway running, and an auxiliary door seal is used for sealing when the auxiliary door is in butt joint.

However, the conventional auxiliary door sealing strip has some problems in use, such as the problem that the auxiliary door sealing strip does not have the advantage of good ageing resistance, cannot protect the auxiliary door sealing strip, is easy to age and damage due to corrosion of external corrosive substances, reduces the service life of the auxiliary door sealing strip, thereby influencing the sound insulation capacity of the subway auxiliary door, has the advantage of good high temperature resistance, easily causes the auxiliary door sealing strip to be deformed by heat, cannot meet the requirements of the current market, reduces the practicability and usability of the auxiliary door sealing strip due to the problems, and pointedly pushes out the auxiliary door sealing strip for subway entrance and exit.

Disclosure of Invention

The utility model aims to provide an auxiliary door seal for subway entrance and exit, which has the advantages of high temperature resistance and aging resistance, solves the problems that the conventional auxiliary door seal has some problems in use, such as failure in the advantage of good aging resistance effect, failure in protecting the auxiliary door seal, easy aging and damage caused by corrosion of external corrosive substances, and reduction in the service life of the auxiliary door seal, thereby affecting the sound insulation capability of a subway auxiliary door, and failure in the advantage of good high temperature resistance effect, and is easy to cause the thermal deformation of the auxiliary door seal, and failure in meeting the current market demands.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides an auxiliary door strip of paper used for sealing for subway business turn over, includes the sealing strip, first recess has been seted up on the right side of sealing strip, the second recess has been seted up at the top of sealing strip, the third recess has been seted up to the bottom of sealing strip, the air pocket has been seted up in the left side of sealing strip, the sealing strip includes basic unit, first high temperature resistant layer, second high temperature resistant layer, ageing-resistant layer and wearing layer, ageing-resistant layer includes first protective layer and second protective layer.

Preferably, the first high temperature resistant layer is coated on the outer surface of the base layer, the second high temperature resistant layer is coated on the outer surface of the first high temperature resistant layer, the aging resistant layer is coated on the outer surface of the second high temperature resistant layer, and the wear resistant layer is coated on the outer surface of the aging resistant layer.

Preferably, the surface of the first protective layer is fixedly connected with the surface of the second protective layer, and the thickness of the first protective layer is consistent with that of the second protective layer.

Preferably, the thickness of the first high temperature resistant layer is consistent with that of the second high temperature resistant layer, and the thickness of the second high temperature resistant layer is smaller than that of the ageing resistant layer and the wear resistant layer.

Preferably, the base layer is made of rubber, and the wear-resistant layer is made of polyurethane coating.

Preferably, the material of the first high temperature resistant layer is polytetrafluoroethylene coating, and the material of the second high temperature resistant layer is fluorocarbon resin coating.

Preferably, the first protective layer is made of a polyamide resin coating, and the second protective layer is made of a phenolic resin coating.

Compared with the prior art, the utility model has the following beneficial effects:

1. according to the utility model, through the matching of the sealing strip, the first groove, the second groove, the third groove, the air groove, the base layer, the first high-temperature resistant layer, the second high-temperature resistant layer, the ageing resistant layer, the wear resistant layer, the first protective layer and the second protective layer, the advantages of high temperature resistance and ageing resistance are realized, the problems that the conventional auxiliary door sealing strip has good ageing resistance effect in use are solved, if the auxiliary door sealing strip cannot be protected, the auxiliary door sealing strip is easy to age and damage due to corrosion of external corrosive substances, the service life of the auxiliary door sealing strip is reduced, the sound insulation capability of a subway auxiliary door is affected, the advantage of good high temperature resistance effect is not realized, the thermal deformation of the auxiliary door sealing strip is easy to cause, and the problem that the current market demand cannot be met is solved.

2. According to the utility model, the sealing strips are arranged and used for being installed on the auxiliary door, so that the sound insulation capability of the subway auxiliary door is improved, the first groove, the second groove and the third groove are arranged and used for limiting and fixing, the air grooves are arranged and used for discharging air when the two auxiliary door sealing strips are butted, so that the two auxiliary door sealing strips are tightly attached, the first high-temperature resistant layer and the second high-temperature resistant layer are arranged and used for protecting the base layer, so that the base layer is prevented from being deformed due to heating, the normal function of the auxiliary door sealing strips is influenced, the ageing resistant layer is arranged and used for prolonging the service life of the auxiliary door sealing strips, the base layer can be protected by special materials through the arrangement of the wear resistant layer, the base layer is prevented from being worn, and the first protective layer and the second protective layer are arranged and used for protecting the base layer and preventing corrosive substances outside from corroding the base layer.

Drawings

FIG. 1 is a perspective view of the structure of the present utility model;

FIG. 2 is a left side view of the structure of the present utility model;

FIG. 3 is an isometric view of the structure of the present utility model;

FIG. 4 is a schematic diagram of the composition of the sealing strip material of the present utility model;

FIG. 5 is a schematic diagram of the composition of the aging resistant layer material according to the present utility model.

In the figure: 1. a sealing strip; 2. a first groove; 3. a second groove; 4. a third groove; 5. an air tank; 6. a base layer; 7. a first high temperature resistant layer; 8. a second high temperature resistant layer; 9. an aging-resistant layer; 10. a wear-resistant layer; 11. a first protective layer; 12. and a second protective layer.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-5, an auxiliary door seal for subway entrance and exit comprises a sealing strip 1, a first groove 2 is formed on the right side of the sealing strip 1, a second groove 3 is formed on the top of the sealing strip 1, a third groove 4 is formed on the bottom of the sealing strip 1, an air groove 5 is formed on the left side of the sealing strip 1, the sealing strip 1 comprises a base layer 6, a first high temperature resistant layer 7, a second high temperature resistant layer 8, an aging resistant layer 9 and a wear-resistant layer 10, the aging resistant layer 9 comprises a first protection layer 11 and a second protection layer 12, the first high temperature resistant layer 7 is coated on the outer surface of the base layer 6, the second high temperature resistant layer 8 is coated on the outer surface of the first high temperature resistant layer 7, the aging resistant layer 9 is coated on the outer surface of the second high temperature resistant layer 8, the wear-resistant layer 10 is coated on the outer surface of the aging resistant layer 9, the surface of the first protection layer 11 is fixedly connected with the surface of the second protection layer 12, the thickness of the first protection layer 11 is consistent with that of the second protection layer 12, the thickness of the first high temperature resistant layer 7 is consistent with that of the second high temperature resistant layer 8, the thickness of the second high temperature resistant layer 8 is smaller than that of the ageing resistant layer 9 and the wear resistant layer 10, the material of the base layer 6 is rubber, the material of the wear resistant layer 10 is polyurethane coating, the material of the first high temperature resistant layer 7 is polytetrafluoroethylene coating, the material of the second high temperature resistant layer 8 is fluorocarbon resin coating, the material of the first protective layer 11 is polyamide resin coating, the material of the second protective layer 12 is phenolic resin coating, the base layer 6 is protected by arranging the first high temperature resistant layer 7 and the second high temperature resistant layer 8, thereby preventing the base layer 6 from being deformed by heat, affecting the normal function of the auxiliary door seal, the service life of the auxiliary door seal is prolonged by arranging the ageing resistant layer 9, the specific material can protect the base layer 6 by arranging the wear resistant layer 10, the base layer 6 is prevented from being worn and torn, through setting up first protective layer 11 and second protective layer 12, be used for protecting base layer 6, prevent that outside corrosive substance from corroding base layer 6, through sealing strip 1, first recess 2, second recess 3, third recess 4, air groove 5, base layer 6, first high temperature resistant layer 7, second high temperature resistant layer 8, ageing-resistant layer 9, wearing layer 10, first protective layer 11 and the cooperation of second protective layer 12, the advantage that possesses high temperature resistant and ageing-resistant has been realized, the auxiliary door seal in the past has some problems in use, if do not have ageing-resistant effectual advantage, can not be to auxiliary door seal ageing damage because of outside corrosive substance corruption, the life of auxiliary door seal has been reduced, thereby influence subway auxiliary door's sound insulation ability, and do not have high temperature resistant effectual advantage, lead to auxiliary door seal heat deformation easily, can not satisfy the problem of present market demand.

During the use, through setting up sealing strip 1, be used for installing on auxiliary door, thereby improve the sound insulation ability of subway auxiliary door, through setting up first recess 2, second recess 3 and third recess 4, be used for spacing and fixed, through setting up air duct 5, be used for discharging the air when two auxiliary door seals dock, thereby make it closely laminate, through setting up first high temperature resistant layer 7 and second high temperature resistant layer 8, be used for protecting basic unit 6, thereby prevent basic unit 6 thermal deformation, influence auxiliary door seal's normal function, through setting up ageing resistant layer 9, be used for prolonging auxiliary door seal's life, through setting up wearing and tearing layer 10, specific material can protect basic unit 6, prevent basic unit 6 by wearing and tearing, through setting up first protective layer 11 and second protective layer 12, be used for protecting basic unit 6, prevent the material of outside corrosivity corrodes basic unit 6.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides an auxiliary door strip of paper used for sealing for subway business turn over, includes sealing strip (1), its characterized in that: the novel sealing strip comprises a sealing strip body, and is characterized in that a first groove (2) is formed in the right side of the sealing strip body (1), a second groove (3) is formed in the top of the sealing strip body (1), a third groove (4) is formed in the bottom of the sealing strip body (1), an air groove (5) is formed in the left side of the sealing strip body (1), the sealing strip body (1) comprises a base layer (6), a first high-temperature-resistant layer (7), a second high-temperature-resistant layer (8), an ageing-resistant layer (9) and a wear-resistant layer (10), and the ageing-resistant layer (9) comprises a first protective layer (11) and a second protective layer (12).

2. The auxiliary door seal for subway entrance and exit according to claim 1, wherein: the first high temperature resistant layer (7) is coated on the outer surface of the base layer (6), the second high temperature resistant layer (8) is coated on the outer surface of the first high temperature resistant layer (7), the ageing resistant layer (9) is coated on the outer surface of the second high temperature resistant layer (8), and the wear resistant layer (10) is coated on the outer surface of the ageing resistant layer (9).

3. The auxiliary door seal for subway entrance and exit according to claim 1, wherein: the surface of the first protective layer (11) is fixedly connected with the surface of the second protective layer (12), and the thickness of the first protective layer (11) is consistent with that of the second protective layer (12).

4. The auxiliary door seal for subway entrance and exit according to claim 1, wherein: the thickness of the first high temperature resistant layer (7) is consistent with that of the second high temperature resistant layer (8), and the thickness of the second high temperature resistant layer (8) is smaller than that of the ageing resistant layer (9) and the wear resistant layer (10).

5. The auxiliary door seal for subway entrance and exit according to claim 1, wherein: the base layer (6) is made of rubber, and the wear-resistant layer (10) is made of polyurethane coating.

6. The auxiliary door seal for subway entrance and exit according to claim 1, wherein: the material of the first high temperature resistant layer (7) is polytetrafluoroethylene coating, and the material of the second high temperature resistant layer (8) is fluorocarbon resin coating.

7. The auxiliary door seal for subway entrance and exit according to claim 1, wherein: the first protective layer (11) is made of a polyamide resin coating, and the second protective layer (12) is made of a phenolic resin coating.