A subway door sealing strip

Abstract

The utility model relates to the technical field of door rubber strips, and discloses a subway door sealing rubber strip, including a mounting portion, a connecting portion is mounted on one side of the mounting portion, a sealing portion is arranged on the other side of the connecting portion, a fitting portion is arranged on the other side of the sealing portion, and a plurality of sawtooth grooves are provided at the end of the fitting portion away from the connecting portion. The utility model adopts a sawtooth necking structure through the sawtooth grooves provided, which can reduce the stiffness of the contact position and effectively reduce the deformation of the root, so as to adapt to the slight irregularity of the body pillar or the connecting plate, so that it is easier to conform to the shape of the body during the closing process, and reduce the friction and jamming with the door pillar or the connecting plate.

Description

Technical Field

[0001] The utility model relates to the technical field of vehicle door rubber strips, in particular to a sealing rubber strip for subway vehicle doors. Background Art

[0002] When the door is closed under heavy vehicle conditions, the rear edge sealing strip may scrape against the body pillar or connecting plate or even get stuck. For example, the sealing strip installed at the rear edge of the subway hidden door may be deformed or worn, or the gap between the door and the body may be improper (currently the sealing strip is Figure 3 On-site treatment measures Using a blade to cut the stuck point can temporarily solve the problem, but because conventional knife cutting may produce unevenness, this may damage the sealing strip and thus affect the sealing performance of the door. Utility Model Content

[0003] The utility model aims to solve the problems existing in the prior art and proposes a subway door sealing strip.

[0004] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0005] A subway door sealing strip comprises an installation part, a connecting part is installed on one side of the installation part, a sealing part is arranged on the other side of the connecting part, a fitting part is arranged on the other side of the sealing part, and a plurality of serrated grooves are formed at the end of the fitting part away from one side of the connecting part.

[0006] Preferably, the sawtooth groove is V-shaped, the number of the sawtooth grooves is two, and the two sawtooth grooves are arranged in parallel on the fitting portion.

[0007] Preferably, cutting scale lines are provided at the sawtooth grooves.

[0008] Preferably, the overall shape of the mounting portion and the connecting portion is arrow-shaped, and the mounting portion is V-shaped.

[0009] Preferably, a first gap eliminating block having a sawtooth-shaped front cross section is arranged on the outer side of the connecting portion.

[0010] Preferably, a second gap eliminating block having a semicircular front cross section is provided above the sealing portion, and a side of the sealing portion close to the connecting portion has an isosceles trapezoidal front cross section.

[0011] Compared with the prior art, the beneficial effects of the utility model are:

[0012] The utility model adopts a sawtooth necking structure at the fitting part of the rubber strip by opening a sawtooth groove, which can reduce the stiffness of the contact position and effectively reduce the deformation of the root, so as to adapt to the slight irregularities of the vehicle body pillar or the connecting plate, making it easier to conform to the shape of the vehicle body during the closing process, and reducing the friction and jamming with the door pillar or the connecting plate. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 This is a front view of a subway door sealing strip proposed by the utility model;

[0014] Figure 2 This is a schematic diagram of the installation of a subway door sealing strip proposed by the utility model;

[0015] Figure 3 It is a schematic diagram of an existing door rubber strip;

[0016] Figure 4 This is a schematic diagram for comparing the overlap between the subway door sealing strip proposed by the utility model and the existing sealing strip.

[0017] In the figure: 1. mounting portion; 2. connecting portion; 3. sealing portion; 4. fitting portion; 5. serrated groove; 7. first gap eliminating block; 8. second gap eliminating block. DETAILED DESCRIPTION

[0018] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0019] Reference Figure 1-Figure 4 A subway door sealing strip comprises an installation portion 1, a connecting portion 2 is installed on one side of the installation portion 1, a sealing portion 3 is arranged on the other side of the connecting portion 2, a fitting portion 4 is arranged on the other side of the sealing portion 3, and a plurality of serrated grooves 5 are formed at the end of the fitting portion 4 away from the connecting portion 2.

[0020] When the rubber strip is in use, the serrated groove 5 is provided so that the fitting portion 4 of the rubber strip adopts a serrated necking structure, which can reduce the stiffness of the contact position and effectively reduce the deformation of the root, so that it can adapt to the slight irregularities of the vehicle body pillar or the connecting plate, making it easier to conform to the shape of the vehicle body during the closing process, reducing friction and jamming with the door pillar or the connecting plate (especially under heavy vehicle conditions).

[0021] In this embodiment, the serrated groove 5 is designed in a V-shape, the number of the serrated grooves 5 is two, and the two serrated grooves 5 are arranged in parallel on the fitting portion 4. The design of the serrated groove 5 can reduce the overlap between the rubber strip and the sealing block, reduce the stiffness of the contact position, and facilitate local deformation during sealing.

[0022] In this embodiment, the sawtooth groove 5 is provided with cutting scale lines, so that when a scratch occurs, an opening can be made at the sawtooth groove 5 along the cutting scale lines, and the scratched part can be torn off along the direction of the groove.

[0023] In this embodiment, the overall shape of the mounting portion 1 and the connecting portion 2 is arrow-shaped, and the mounting portion 1 is V-shaped, which facilitates the insertion of the mounting portion 1 into the mounting location.

[0024] In this embodiment, a first gap eliminating block 7 with a serrated front cross section is provided on the outer side of the connecting portion 2. The first gap eliminating block 7 can be abutted against the installation position to eliminate the installation gap. Under the premise of ensuring strength, this position will be compressed and deformed.

[0025] In this embodiment, a second gap eliminating block 8 with a semicircular front cross-section is provided above the sealing portion 3, and the side of the sealing portion 3 close to the connecting portion 2 is designed with an isosceles trapezoidal cross-section. This design can reduce the overall weight of the rubber strip, making the rubber strip lighter. At the same time, the second gap eliminating block 8 can eliminate the gap at this position and improve the structural stability.

[0026] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A subway door sealing strip, characterized by: It comprises an installation part, a connecting part is installed on one side of the installation part, a sealing part is arranged on the other side of the connecting part, a fitting part is arranged on the other side of the sealing part, and a plurality of sawtooth grooves are arranged at the end of the fitting part away from one side of the connecting part.

2. A subway door sealing strip according to claim 1, characterized in that: The sawtooth groove is designed in a V shape, the number of the sawtooth grooves is two, and the two sawtooth grooves are arranged in parallel on the fitting portion.

3. A subway door sealing strip according to claim 2, characterized in that: The sawtooth groove is provided with cutting scale lines.

4. The subway door sealing strip according to claim 1, characterized in that: The overall shape of the mounting portion and the connecting portion is arrow-shaped, and the mounting portion is V-shaped.

5. The subway door sealing strip according to claim 4, characterized in that: A first gap eliminating block with a sawtooth-shaped front cross section is arranged outside the connecting portion.

6. The subway door sealing strip according to claim 5, characterized in that: A second gap eliminating block with a semicircular front section is arranged above the sealing portion, and a side of the sealing portion close to the connecting portion has an isosceles trapezoidal front section.

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