JP2022000181A - brush - Google Patents

Abstract

To provide a brush that facilitates installment in accordance with the shape of an installation place.SOLUTION: The brush fills a gap between a rolling stock sliding door that opens/closes by sliding and a railroad vehicle. The brush includes: a fluff part that is composed of a plurality of bristles and holding threads holding the bristles in a state mutually arranged in parallel and that comes into contact with one of the vehicle body and the sliding door with the tip of the bristles; a clamping part that is sewn on the fluff part with sewing thread and that clamps the proximal end side of the fluff part in the extending direction of the bristles; and an installation part that has installation holes, that extends from the clamping part, and that is formed by intersecting at the fluff part in accordance with one installation mode of the vehicle body and the sliding door. These parts are integrally formed, and the brush is equipped with a flexible substrate which can be fixed with screws in a state bent in the extending direction of the bristles that intersect at the longitudinal direction of the fluff part by following up the contour of the vehicle body with a curved shape inside.SELECTED DRAWING: Figure 10

Description

The present invention relates to a brush.

Multiple holding fibers that connect a plurality of fiber bundles while holding the plurality of fiber bundles in a bundle shape in a state where the plurality of fiber bundles and the plurality of fiber bundles are arranged in parallel in a direction orthogonal to the direction in which the plurality of fibers constituting the fiber bundle extend. A fluff body having a A brush sewn on a fluff body in a portion is known (Patent Document 1).

Between the side surface of the vehicle body and the sliding door supported by the vehicle body so that it can slide along the side surface between the closed position that closes the opening of the doorway formed on the side surface and the open position that opens the opening. It is a sealing member of the sliding door arranged in the sliding door, which extends in the height direction of the sliding door and is sandwiched and fixed between the holding plate attached to one of the sliding door and the side surface and the one, and the inside is fixed. The hollow tubular mounting part is integrally provided with the mounting part and extends in the height direction of the sliding door, and contacts the contact part provided on the other side of the sliding door and the side surface in a closed position in an elastically deformed state. A sealing member for a sliding door provided with a sealing portion is also known (Patent Document 2).

Japanese Unexamined Patent Publication No. 2014-124252 JP-A-2015-94193

It is an object of the present invention to provide a brush that can be easily mounted according to the shape of the mounting location.

In order to solve the above problems, the brush according to claim 1 is used.
A brush that fills the gap between the sliding door of a railroad vehicle that slides to open and close and the car body.
A fluff portion having a plurality of brush threads and a holding thread that holds the brush threads in parallel with each other and in contact with one of the vehicle body and the sliding door at the tip of the brush threads.
A holding portion that is attached to the fluff portion with a sewing thread and sandwiches the base end side of the fluff portion in the direction in which the brush thread extends, and a holding portion that has a mounting hole and extends from the sandwiching portion among the vehicle body and the sliding door. A brush that is integrally formed with a mounting portion formed by intersecting the fluff portion according to one mounting mode, and follows the contour of the vehicle having a curved surface shape on the inside and intersects the longitudinal direction of the fluff portion. A flexible substrate that can be screwed in a bent state in the extending direction of the thread.
It is characterized by that.

The invention according to claim 2 is the brush according to claim 1.
The fluff portion is further provided with a strip-shaped film member made of a non-woven fabric between the brush threads and having the same height as the fluff portion to block the flow of water in the gap.
It is characterized by that.

According to the first aspect of the present invention, as compared with the configuration having no flexible base material, even when the base material is mounted following the shape of the mounting location, the base material is bent to cause bending. It can be easily installed without any problem.

According to the second aspect of the present invention, it is possible to suppress the intrusion of dust and water from the outside into the vehicle body as compared with the configuration without the band-shaped film member.

A side view showing a side sliding door of a railway vehicle to which a brush according to the present embodiment is attached, and (b) is a front view showing a wife sliding door. (A) is a schematic cross-sectional view showing a brush attached to the lintel of the opening of the car body, (b) is a schematic cross-sectional view showing the brush attached to the lower surface of the side sliding door, and (c) is a schematic cross-sectional view showing the door pocket of the car body. It is sectional drawing which shows the attached brush. (A) is a perspective view of the brush, (b) is a schematic cross-sectional view showing an example of the mounting shape of the base material, and (c) is a schematic cross-sectional view showing another example of the mounting shape of the base material. It is a schematic diagram which shows the manufacturing process of the fluff part of a brush. It is a schematic diagram which shows the manufacturing process of a brush. It is a perspective view of the brush which concerns on the modification. (A) is a schematic side view showing a state when the fluff portion and the film member are inserted into the holding portion of the base material in the brush according to the modified example, and (b) is the side view showing the state when the fluff portion and the film member are inserted into the holding portion of the base material. It is a side schematic diagram which shows the state which was done. (A) is a vertical sectional view showing a state in which the brush is attached to the lintel portion of the opening of the vehicle body, and (b) is a plan view. It is a vertical sectional view which shows the state which the brush is attached to the inner side surface of the lower part of the side sliding door. (A) is a plan view showing a state in which the brush is attached to the door pocket portion on the side of the opening of the vehicle body, and (b) is a side view.

Next, with reference to the drawings, embodiments and specific examples will be given below to explain the present invention in more detail, but the present invention is not limited to these embodiments and specific examples.
In addition, in the explanation using the following drawings, it should be noted that the drawings are schematic and the ratio of each dimension is different from the actual one, which is necessary for the explanation for easy understanding. Illustrations other than the members are omitted as appropriate.

(1) Railroad vehicle FIG. 1 is a side view showing a side sliding door 30 of a railroad vehicle 1 to which the brush 100 according to the present embodiment is attached, (b) is a front view showing a wife sliding door 40, and FIG. 2 (a) is a vehicle body 10. A schematic cross-sectional view showing the brush 100 attached to the Kamoi portion of the opening 10a, (b) is a schematic cross-sectional view showing the brush 100 attached to the lower surface of the side sliding door 30, and (c) is the door pocket portion 13 of the vehicle body 10. It is sectional drawing which shows the brush 100 attached to.
Hereinafter, the side sliding door 30 and the brush 100 that fills the gap between the wife sliding door 40 and the vehicle body 10 as an example of the sliding door of the railway vehicle 1 will be described with reference to the drawings.

The railroad vehicle 1 includes a vehicle body 10 that internally accommodates a passenger to be transported, a traveling device 20 that is provided at the bottom of the vehicle body 10 and travels and moves the vehicle body 10, and a side that is provided on the vehicle body 10 so as to be slidable. It includes a sliding door 30, a wife sliding door 40, and a brush 100 arranged between the vehicle body 10 and the side sliding door 30 and the wife sliding door 40.

On the side surface of the vehicle body 10, a plurality of openings 10a serving as entrances and exits for passengers are formed at intervals in the traveling direction of the railway vehicle 1.
The side sliding door 30 as an example of the sliding door is provided on the side surface of the vehicle body 10 and slides along the side surface of the vehicle body 10 between the closed position for closing the opening 10a and the open position for opening the opening 10a. Move (see the middle arrow in FIG. 1 (a)).

As shown in FIG. 2, a brush 100 is provided between the vehicle body 10 and the side sliding door 30. The brush 100 is in contact with one of the vehicle body 10 and the side sliding door 30 so that the fluff portion 110 fills the gap between the vehicle body 10 and the side sliding door 30.

As shown in FIG. 2A, the brush 100 is fixed to the kamoi portion 11 which is the upper part of the opening portion 10a by the mounting portion 122, and the tip side of the fluff portion 110 is slid to the closed position outside the side sliding door 30. It is in contact with the side surface 30a.

As shown in FIG. 2B, the brush 100 is fixed to the inner side surface 30b of the lower portion of the side sliding door 30 by the mounting portion 122, and the tip side of the fluff portion 110 is in a state where the side sliding door 30 is slid to the closed position. It is in contact with the floor surface 12a of the sill portion 12 which is the lower part of the opening 10a.

As shown in FIG. 2C, the attachment portion 122 of the brush 100 is fixed to the door pocket portion 13 on the side of the opening portion 10a in a state of being curved in the vehicle width direction along the contour of the vehicle body 10, and the fluff portion. The tip end side of the 110 is in contact with the outer surface 30a of the sliding door 30 that slides and moves.

(2) Brush FIG. 3 (a) is a perspective view of the brush 100, (b) is a schematic cross-sectional view showing an example of the mounting shape of the base material 120, and (c) shows another example of the mounting shape of the base material 120. A schematic cross-sectional view, FIG. 4 is a schematic diagram showing a manufacturing process of the fluff portion 110 of the brush 100, and FIG. 5 is a schematic diagram showing a manufacturing process of the brush 100. Hereinafter, the configuration of the brush 100 will be described with reference to the drawings.

As shown in FIG. 3A, the brush 100 has a band-shaped fluff portion 110 composed of a plurality of brush threads 111 and a holding thread 112 that holds the brush threads 111 in parallel with each other, and a direction in which the brush threads 111 extend. It is composed of a long base material 120 joined to the fluff portion 110 in a state of sandwiching the base end portion 110a (see FIG. 5) of the fluff portion 110.

(2.1) Fluff portion The fluff portion 110 is a direction in which a brush thread 111, which is a multifilament in which a plurality of monofilament fibers are gathered and bundled, intersects (orthogonically) with a direction in which the brush thread 111 extends (FIG. 4X). It is provided with a plurality of (two in this embodiment) holding threads 112 that connect the brush threads 111 while holding them in a bundle in a state where the brush threads 111 are arranged in parallel in the direction).

As the fibers constituting the brush thread 111, those having a fiber diameter of 30 micrometers or more, such as polyamide fibers and polypropylene fibers, can be used.
In the present embodiment, both the brush thread 111 and each holding thread 112 are subjected to a flame-retardant formulation having a flame retardancy of V-0 or more by UL94. In this case, as the flame retardant formulation, a method of kneading the flame retardant into the material is adopted, and as the flame retardant, for example, an organic flame retardant such as a bromine compound or a phosphorus compound, or an antimony compound or a metal hydroxide. Inorganic flame retardants are used.

A plurality of holding threads 112 are wound around the brush thread 111 at a plurality of positions (two positions in the present embodiment) on the base end side opposite to the fluffy tip side in the brush thread 111 (two in the present embodiment). It is composed of the holding fibers 112a and 112b of. Each of the holding fibers 112a and 112b restrains the brush yarn 111 by an independent warp knitting structure, and each is composed of one continuous yarn (see FIG. 4).
The holding fibers 112a and 112b are formed of fibers having high durability and flexibility, and examples of the fibers satisfying such conditions include polyamide fibers and polypropylene fibers.

(2.2) Base material The base material 120 is formed by extrusion molding a thermoplastic synthetic resin. The base material 120 has a mounting hole 122a (122b) that extends from the holding portion 121 that sandwiches the base end portion 110a of the fluff portion 110 and is attached to one of the vehicle body 10, the side sliding door 30, and the end sliding door 40. It is provided with a mounting portion 122 having the above. As shown in FIG. 3, the mounting holes 122a (122b) can have a round hole shape (122a) or a notch shape (122b) according to the vehicle body 10 and the side sliding door 30 as the mounted body.

The sandwiching portion 121 is composed of a pair of strip-shaped sandwiching pieces 121a erected on the mounting portion 122 so as to face each other in the width direction of the mounting portion 122.
The sandwiching piece 121a is sewn to the fluff portion 110 by one sewing thread 123 in a state where one end portion in the width direction of the fluff portion 110 is sandwiched (see FIG. 7B).

Examples of the thermoplastic synthetic resin include olefinic elastomers having flexibility with a durometer hardness of D40 to D50 as measured according to JIS K7215. Since the base material 120 has flexibility, it can be flexibly bent, and as shown in FIG. 2 (c), the brush 100 is curved in the vehicle width direction along the contour of the vehicle body 10. It can be easily attached to the door pocket portion 13 of 10.
In the present embodiment, the base material 120 is provided with a flame-retardant formulation having a flame retardancy of V-0 or more due to UL94, similarly to the fluff portion 110.

The base material 120 can change the relative angle between the holding portion 121 and the mounting portion 122 according to the mounting mode of the mounted body. Specifically, as shown in FIG. 3A, in addition to the mode in which the fluff portion 110 and the mounting portion 122 extend in parallel, as shown in FIGS. 3B and 3C, the fluff portion 110 and the mounting portion 110 are mounted. The portions 122 may be formed so as to intersect each other.
By forming the fluff portion 110 and the mounting portion 122 so as to cross each other according to the mounting mode of the mounted body, the base material 120 is curved even when the fluff portion 110 and the mounting portion 122 are mounted so as to follow the mounted portion having a curved surface shape inside. It can be installed without causing breakage due to.

(2.3) Method for manufacturing a brush In the fluff portion 110, a brush yarn 111 composed of a multifilament of a polyamide fiber or a polypropylene fiber is knitted in a loop-shaped zigzag shape, and a plurality of brush yarns near each of the bent portions on both sides are knitted (this embodiment). In, two knitting brushes are formed at the same time by sequentially knitting with the holding yarns 112 (see FIG. 4) and then cutting the intermediate portion of the brush yarns 111 (see the broken lines AA in the figure). ).

Then, when forming the brush 100, as shown in FIG. 5, first, when the base end portion 110a on the holding thread 112 side in the width direction of the fluff portion 110 is inserted between the holding pieces 121a of the base material 120, The holding thread 112 of the fluff portion 110 is in a state of being sandwiched by the sandwiching piece 121a.

In this state, for example, using an industrial sewing machine (not shown), the sandwiching piece 121a and the base end portion 110a on the bent portion side of the fluff portion 110 including the holding thread 112 are sewn by the sewing thread 123. The sandwiching portion 121 is joined to the fluff portion 110 at the portion where the holding thread 112 is located. As a result, the brush 100 shown in FIG. 3 is obtained.

"Transformation example"
FIG. 6 is a perspective view of the brush 100A according to the modified example, and FIG. 7A shows a state when the fluff portion 110 and the film member 130 are inserted into the sandwiching portion 121A of the base material 120A in the brush 100A according to the modified example. A schematic side view, (b) is a schematic side view showing a state in which the fluff portion 110 and the film member 130 are inserted into the sandwiching portion 121A of the base material 120A.

As shown in FIG. 6, the brush 100A is made of a strip-shaped fluff portion 110 composed of a plurality of brush threads 111, a holding thread 112 that holds the brush threads 111 in parallel with each other, and a non-woven fabric bonded to the brush threads 111. The film member 130 is composed of a long base material 120A joined to the fluff portion 110 while sandwiching the base end portion 110a of the fluff portion 110 in the extending direction of the brush thread 111.

When joining the fluff portion 110 and the film member 130 to the base material 120A, first, as shown in FIG. 7A, an adhesive AD (double-sided tape) is attached to the base end portion 110a of the fluff portion 110. The film member 130 is sandwiched between the pair of fluff portions 110, and the fluff portions 110 are overlapped with each other so as to face each other. Then, the base end portion 110a of the overlapped fluff portion 110 is inserted into the sandwiching portion 121A of the base material 120A.
As a result, as shown in FIG. 7B, the holding thread 112 of the fluff portion 110 and the base end side of the film member 130 are sandwiched by the sandwiching piece 121a.

In this state, for example, using an industrial sewing machine (not shown), the sewing thread 123 is used to hold the holding piece 121a, the base end side of the film member 130, and the base end portion of the fluff portion 110 including the holding thread 112. The 110a is sewn together, and the sandwiching portion 121A is joined to the fluff portion 110 and the film member 130 at the portion where the holding thread 112 is located. As a result, the brush 100A shown in FIG. 6 is obtained.
Since the brush 100A according to the modified example has a film member 130 made of a non-woven fabric between the brush threads 111 of the fluff portion 110, it blocks the flow of water in the gap between the vehicle body 10 and the side sliding door 30 to the outside. Inundation from the water can be suppressed.

(3) Attachment and operation of the brush to the vehicle FIG. 8A is a vertical sectional view showing a state in which the brush 100 is attached to the Kamoi portion 11 of the opening 10a of the vehicle body 10, FIG. 8B is a plan view, and FIG. 9 is a plan view. A vertical sectional view showing a state in which the brush 100 is attached to the inner side surface 30b of the lower portion of the side sliding door 30, FIG. 10A shows a state in which the brush 100 is attached to the side door pocket portion 13 of the opening portion 10a of the vehicle body 10. The plan view and (b) are side views.

(3.1) Mounting to the lintel portion As shown in FIG. 8, when the brush 100 is mounted on the lintel portion 11 of the opening 10a of the vehicle body 10, the mounting portion 122 of the base material 120 is mounted using the mounting hole 122a. And fix it to the lintel 11 of the car body 10 with screws. In the brush 100 fixed to the Kamoi portion 11, the tip end side 111a of the brush thread 111 of the fluff portion 110 projects so as to stand upright toward the inside of the vehicle body 10.

When the side sliding door 30 slides to the closed position in such a state, the brush thread 111 of the fluff portion 110 of the brush 100 comes into contact with the outer surface 30a of the side sliding door 30 in a niped state over the longitudinal direction of the brush 100. As a result, the brush 100 closes the gap between the vehicle body 10 and the side sliding door 30, and can suppress the intrusion of dust and water from the outside into the vehicle body 10.

(3.2) Attachment to the sill portion As shown in FIG. 9, when the brush 100 is attached to the sill portion 12 of the opening 10a of the vehicle body 10, the attachment portion 122 of the base material 120 is attached using the attachment hole 122a. It is fixed to the inner side surface 30b of the lower part of the side sliding door 30 of the vehicle body 10 with screws. The brush 100 fixed to the inner side surface 30b of the lower portion of the side sliding door 30 projects so that the tip end side 111a of the brush thread 111 of the fluff portion 110 stands upright toward the floor surface 10c of the vehicle body 10.

When the side sliding door 30 slides to the closed position in such a state, the brush thread 111 of the fluff portion 110 of the brush 100 comes into contact with the floor surface 10c of the vehicle body 10 in a niped state over the longitudinal direction of the brush 100. As a result, the brush 100 closes the gap between the vehicle body 10 and the side sliding door 30, and can suppress the intrusion of dust and water from the outside into the vehicle body 10.

(3.3) Attachment to the door pocket portion As shown in FIGS. 10A and 10B, when the brush 100 is attached to the door pocket portion 13 on the side of the opening 10a of the vehicle body 10, the base material 120 is attached. The mounting portion 122 is screwed and fixed while being bent along the contour of the vehicle body 10 by utilizing its flexibility. In the brush 100 fixed to the door pocket portion 13, the tip end side 111a of the brush thread 111 of the fluff portion 110 projects so as to stand upright toward the inside of the vehicle body 10.

In this state, when the side sliding door 30 slides to the closed position, the brush thread 111 of the fluff portion 110 of the brush 100 is niped along the contour of the outer surface 30a of the side sliding door 30 along the longitudinal direction of the brush 100. Contact. As a result, the brush 100 closes the gap between the vehicle body 10 and the side sliding door 30, and can suppress the intrusion of dust and water from the outside into the vehicle body 10.

In the present embodiment, the brush 100 for filling the gap between the vehicle body 10 of the railway vehicle 1 and the sliding door 30 has been described, but the brush 100 is arranged so as to fill the gap between the vehicle body 10 and the wife sliding door 40. You can also do it.

1 ... Railway vehicle 10 ... Body 20 ... Traveling device 30 ... Side sliding door 40 ... Wife sliding door 100, 100A ... Brush 110 ... Fluff 111 ... Brush thread 112 ...・ ・ Holding thread 120, 120A ・ ・ ・ Base material 121, 121A ・ ・ ・ Holding part 122 ・ ・ ・ Mounting part 130 ・ ・ ・ Film member

Claims (2)

A brush that fills the gap between the sliding door of a railroad vehicle that slides to open and close and the car body.
A fluff portion having a plurality of brush threads and a holding thread that holds the brush threads in parallel with each other and in contact with one of the vehicle body and the sliding door at the tip of the brush threads.
A holding portion that is attached to the fluff portion with a sewing thread and sandwiches the base end side of the fluff portion in the direction in which the brush thread extends, and a holding portion that has a mounting hole and extends from the sandwiching portion among the vehicle body and the sliding door. A brush that is integrally formed with a mounting portion formed by intersecting the fluff portion according to one mounting mode, and follows the contour of the vehicle having a curved surface shape on the inside and intersects the longitudinal direction of the fluff portion. A flexible substrate that can be screwed in a bent state in the extending direction of the thread.
A brush that features that. The fluff portion is further provided with a strip-shaped film member made of a non-woven fabric between the brush threads and having the same height as the fluff portion to block the flow of water in the gap.
The brush according to claim 1.

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