JP7152067B2 - brush - Google Patents

Description

The present invention relates to brushes.

A plurality of fiber bundles, and a plurality of holding fibers that respectively hold and connect the plurality of fiber bundles in a state in which the plurality of fiber bundles are arranged in parallel in a direction perpendicular to the direction in which the plurality of fibers constituting the fiber bundles extend. and a base material having a clamping portion joined in a state in which a part of the fluff is clamped so as to cover the plurality of holding fibers, and the plurality of holding fibers are positioned in the clamping portion A brush is known that is partially sewn to a fluff (US Pat.

Between a side surface of the vehicle body and a sliding door supported by the vehicle body so as to be slidable along the side surface between a closed position for closing the opening of the doorway formed in the side surface and an open position for opening the opening. A sliding door sealing member arranged in a sliding door, which extends in the height direction of the sliding door, is sandwiched and fixed between a pressing plate attached to one of the sliding door and the side surface, and the one, and the inside is A hollow cylindrical mounting portion, and a contact portion provided integrally with the mounting portion and extending in the height direction of the sliding door and contacting the contact portion provided on the other of the sliding door and the side surface in a closed position in an elastically deformed state. A sealing member for a sliding door is also known (Patent Document 2).

JP 2014-124252 A JP 2015-94193 A

An object of the present invention is to provide a brush that can be easily attached according to the shape of the place of attachment.

In order to solve the above problems, the brush according to claim 1 is
A brush that fills a gap between a sliding door of a railway vehicle that slides to open and close and a vehicle body,
a fluff portion having a plurality of brush threads and a holding thread for holding the brush threads in a state of being parallel to each other, and the tips of the brush threads being in contact with one of the vehicle body and the sliding door;
a clamping portion that is attached to the fluff portion with a sewing thread and clamps the base end side of the fluff portion in the direction in which the brush thread extends; A brush that is integrally formed with a mounting portion that is formed to intersect with the fluff portion according to one mounting mode, and that follows the contour of the vehicle having a curved inner surface and intersects the longitudinal direction of the fluff portion. A flexible base material that can be screwed while being bent in the direction in which the thread extends,
It is characterized by

According to the first aspect of the invention, compared to a configuration that does not have a flexible base material, even if it is attached following the shape of the mounting location, it can be bent due to the bending of the base material. It can be easily installed without

FIG. 2B is a side view showing a side sliding door of a railway vehicle to which the brush according to the present embodiment is attached, and FIG. (a) is a schematic cross-sectional view showing the brush attached to the lintel part 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 the door pocket part of the car body. It is a cross-sectional schematic diagram which shows the attached brush. (a) is a perspective view of a brush, (b) is a schematic cross-sectional view showing an example of the mounting shape of a substrate, and (c) is a schematic cross-sectional view showing another example of the mounting shape of a substrate. 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 a 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 substrate in the brush according to the modification, and (b) is a fluff portion and the film member inserted into the holding portion of the substrate. It is a side schematic diagram which shows the state which carried out. (a) is a vertical cross-sectional view showing a state in which the brush is attached to the lintel part of the opening of the vehicle body, and (b) is a plan view. It is a longitudinal cross-sectional view which shows the state which attached the brush to the inner surface of the lower part of a side sliding door. (a) is a plan view showing a state in which the brush is attached to the door pocket on the side of the opening of the vehicle body, and (b) is a side view.

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

(1) Railway vehicle FIG. 1 is a side view showing the side sliding door 30 of the railway vehicle 1 to which the brush 100 according to the present embodiment is attached, (b) is a front view showing the end sliding door 40, and FIG. (b) is a schematic cross-sectional view showing the brush 100 attached to the lintel part of the opening 10a of the side sliding door 30, (c) is the door pocket part 13 of the vehicle body 10 It is a cross-sectional schematic diagram which shows the brush 100 attached to.
Hereinafter, the brush 100 for filling the gap between the side sliding door 30 and the end 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 railway vehicle 1 includes a vehicle body 10 that accommodates passengers to be transported, a running device 20 that is provided under the vehicle body 10 to move the vehicle body 10, and a side that is slidably provided on the vehicle body 10. A sliding door 30, an end sliding door 40, and a brush 100 arranged between a vehicle body 10 and the side sliding door 30 and the end sliding door 40 are provided.

A plurality of openings 10a are formed on the side surface of the vehicle body 10 at intervals in the running direction of the railroad vehicle 1 and serve as entrances and exits for passengers.
A side sliding door 30, which is an example of a 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 a closed position for closing the opening 10a and an open position for opening the opening 10a. Move (see 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. As shown in FIG. 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. - 特許庁

As shown in FIG. 2(a), the brush 100 is fixed to the lintel part 11, which is the upper part of the opening 10a, by means of a mounting part 122. It is in contact with the side surface 30a.

As shown in FIG. 2(b), 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 slides to the closed position of the side sliding door 30. It is in contact with the floor surface 12a of the threshold portion 12 which is the lower portion of the opening portion 10a.

As shown in FIG. 2(c), 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 curved state along the contour of the vehicle body 10 in the vehicle width direction. The tip side of 110 is in contact with the outer surface 30a of the side sliding door 30 that slides.

(2) Brush FIG. 3(a) is a perspective view of the brush 100, (b) is a schematic sectional view showing an example of the mounting shape of the substrate 120, and (c) shows another example of the mounting shape of the substrate 120. 4A and 4B are schematic diagrams showing the manufacturing process of the fluff portion 110 of the brush 100, and FIGS. The configuration of the brush 100 will be described below with reference to the drawings.

As shown in FIG. 3(a), the brush 100 has a band-like fluff portion 110 made up of a plurality of brush threads 111 and holding threads 112 that hold the brush threads 111 in parallel, and the direction in which the brush threads 111 extend. and a long base material 120 joined to the fluff portion 110 while holding the base end portion 110a (see FIG. 5) of the fluff portion 110 in FIG.

(2.1) Fluff portion The fluff portion 110 consists of a multifilament brush yarn 111 in which a plurality of monofilament fibers are bundled together and a direction intersecting (perpendicular to) the extending direction of the brush yarn 111 (X in FIG. 4). direction), and a plurality of (two in this embodiment) holding threads 112 that connect the brush threads 111 while holding the brush threads 111 in a bundle.

As fibers constituting the brush thread 111, fibers having a fiber diameter of 30 micrometers or more, such as polyamide fibers and polypropylene fibers, can be used.
In this embodiment, both the brush threads 111 and the holding threads 112 are given a flame retardant prescription with a flame retardancy of V-0 or higher according to UL94. In this case, as a flame retardant formulation, a method of kneading a flame retardant into the material is adopted, and as the flame retardant, for example, organic flame retardants such as bromine compounds and phosphorus compounds, or antimony compounds and metal hydroxides. An inorganic flame retardant is used.

A plurality of holding threads 112 (two in this embodiment) are wound around the brush thread 111 at a plurality of positions (two positions in this embodiment) on the base end side of the brush thread 111 opposite to the fuzzy tip side. holding fibers 112a and 112b. Each holding fiber 112a, 112b constrains the brush yarn 111 by an independent warp-knitted structure, and each consists of one continuous yarn (see FIG. 4).
Each holding fiber 112a, 112b is formed of a fiber having high durability and flexibility, and fibers satisfying such conditions include polyamide fiber, polypropylene fiber, and the like.

(2.2) Substrate The substrate 120 is formed by extruding a thermoplastic synthetic resin. The base material 120 has a clamping portion 121 that clamps the base end portion 110a of the fluff portion 110, and an attachment hole 122a (122b) that extends from the clamping portion 121 and is attached to one of the vehicle body 10, the side sliding door 30, and the end sliding door 40. and a mounting portion 122 having a As shown in FIG. 3, the attachment hole 122a (122b) can be a round hole shape (122a) or a notch shape (122b) in accordance with the vehicle body 10 and the side sliding door 30 as the body to be attached.

The clamping portion 121 is composed of a pair of band-like clamping pieces 121a erected on the mounting portion 122 so as to face each other in the width direction of the mounting portion 122 .
The pinching piece 121a is sewn to the fluff portion 110 with a single sewing thread 123 while pinching one widthwise end of the fluff portion 110 (see FIG. 7B).

Examples of thermoplastic synthetic resins include flexible olefin elastomers having 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. It can be easily attached to the door pocket portion 13 of 10.
In the present embodiment, the base material 120, like the fluff portion 110, is given a flame-retardant formulation having a flame-retardant property of V-0 or higher according to UL94.

The base material 120 can change the relative angle between the holding portion 121 and the attachment portion 122 according to the attachment mode of the attached body. Specifically, as shown in FIG. 3(a), the fluff portion 110 and the mounting portion 122 extend parallel to each other. The portions 122 may be formed so as to intersect.
By forming the fluff portion 110 and the attachment portion 122 so as to intersect in accordance with the attachment mode of the attached body, even when attaching following the attached portion having an inner curved surface shape, the base material 120 is curved. It can be installed without causing breakage due to

(2.3) Brush Manufacturing Method The fluff portion 110 is made by weaving brush yarns 111 made of multifilament of polyamide fiber or polypropylene fiber in a zigzag loop shape, and a plurality of yarns near the bent portions on both sides (this embodiment). (2 in the drawing) are sequentially knitted with the holding yarns 112, and then the intermediate portions of the brush yarns 111 are cut (see broken line AA in the figure), thereby forming two knitted brushes at the same time (see FIG. 4). ).

When forming the brush 100, first, as shown in FIG. The holding thread 112 of the fluff portion 110 is nipped by the nipping piece 121a.

In this state, for example, using an industrial sewing machine (not shown), a sewing thread 123 is used to sew the clamping piece 121a and the proximal end portion 110a on the bent side of the fluff portion 110 including the holding thread 112, The holding portion 121 is joined to the fluff portion 110 at the portion where the holding thread 112 is positioned. Thereby, the brush 100 shown in FIG. 3 is obtained.

"Variation"
FIG. 6 is a perspective view of a brush 100A according to a modification, and FIG. 7A shows a state of the brush 100A according to the modification when the fluff portion 110 and the film member 130 are inserted into the holding portion 121A of the substrate 120A. FIG. 3B 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 substrate 120A.

As shown in FIG. 6, the brush 100A includes a band-like fluff portion 110 made up of a plurality of brush threads 111 and holding threads 112 that hold the brush threads 111 in parallel, and a non-woven fabric bonded to the brush threads 111. and a long base material 120A joined to the fluff portion 110 while holding the base end portion 110a of the fluff portion 110 in the direction in which the brush thread 111 extends.

When joining the fluff portion 110 and the film member 130 to the base material 120A, first, as shown in FIG. A film member 130 is sandwiched between a pair of fluff portions 110 that are put together, and the fluff portions 110 are overlapped so that they face each other. Then, the base end portion 110a of the superimposed fluff portion 110 is inserted into the holding portion 121A of the base material 120A.
As a result, as shown in FIG. 7B, the base end sides of the holding threads 112 of the fluff portion 110 and the film member 130 are sandwiched by the sandwiching pieces 121a.

In this state, for example, using an industrial sewing machine (not shown), the sewing thread 123 is used to sew the pinching piece 121a, the proximal end of the film member 130, and the proximal end of the fuzz portion 110 including the holding thread 112 on the bent portion side. 110a are sewn together to join the holding portion 121A to the fluff portion 110 and the film member 130 at the portion where the holding thread 112 is positioned. Thereby, the brush 100A shown in FIG. 6 is obtained.
Since the brush 100A according to the modification has the film member 130 made of non-woven fabric between the brush threads 111 of the fluff portion 110, the flow of water in the gap between the vehicle body 10 and the side sliding door 30 is blocked to prevent water from flowing outside. It is possible to suppress the inundation from

(3) Attachment and operation of brush to vehicle FIG. 8(a) is a vertical cross-sectional view showing a state in which the brush 100 is attached to the lintel part 11 of the opening 10a of the vehicle body 10, (b) is a plan view, and FIG. FIG. 10A is a vertical cross-sectional view showing a state in which the brush 100 is attached to the lower inner surface 30b of the side sliding door 30, and FIG. A plan view and (b) a side view.

(3.1) Attachment to the lining part As shown in FIG. 8, when the brush 100 is attached to the lining part 11 of the opening 10a of the vehicle body 10, the mounting part 122 of the base material 120 is attached to the mounting hole 122a. and fix it to the lintel part 11 of the vehicle body 10 with screws. The tip side 111a of the brush thread 111 of the fluff portion 110 of the brush 100 fixed to the lining portion 11 protrudes so as to stand 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 contacts the outer surface 30a of the side sliding door 30 in a nipped 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, thereby suppressing dust and water from entering the vehicle body 10 from the outside.

(3.2) Attachment to Threshold As shown in FIG. 9, when the brush 100 is attached to the threshold 12 of the opening 10a of the vehicle body 10, the mounting portion 122 of the substrate 120 is attached to the mounting hole 122a. screw to the lower inner surface 30b of the side sliding door 30 of the vehicle body 10. As shown in FIG. The brush 100 fixed to the inner side surface 30b of the lower portion of the side sliding door 30 protrudes so that the tip side 111a of the brush thread 111 of the fluff portion 110 is erected toward the floor surface 10c of the vehicle body 10. As shown in FIG.

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 contacts the floor surface 10c of the vehicle body 10 in a nipped 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, thereby suppressing dust and water from entering the vehicle body 10 from the outside.

(3.3) Attachment to Door Case As shown in FIGS. The mounting portion 122 is bent along the contour of the vehicle body 10 by utilizing its flexibility and screw-fixed. In the brush 100 fixed to the door pocket portion 13 , the tip side 111 a of the brush thread 111 of the fluff portion 110 protrudes 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 nipped 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, thereby suppressing dust and water from entering the vehicle body 10 from the outside.

In this embodiment, the brush 100 that fills the gap between the vehicle body 10 of the railway vehicle 1 and the side sliding door 30 is described as an example of the sliding door, but the brush 100 is arranged so as to fill the gap between the vehicle body 10 and the end sliding door 40. can also

DESCRIPTION OF SYMBOLS 1... Rail vehicle 10... Car body 20... Travel apparatus 30... Side sliding door 40... End sliding door 100, 100A... Brush 110... Fluff part 111... Brush thread 112. .. Holding thread 120, 120A .. Base material 121, 121A.. Sandwiching part 122.. Mounting part 130.. Film member

Claims (1)

A brush that fills a gap between a sliding door of a railway vehicle that slides to open and close and a vehicle body,
a fluff portion having a plurality of brush threads and a holding thread for holding the brush threads in a state of being parallel to each other, and the tips of the brush threads being in contact with one of the vehicle body and the sliding door;
a clamping portion that is attached to the fluff portion with a sewing thread and clamps the base end side of the fluff portion in the direction in which the brush thread extends; A brush that is integrally formed with a mounting portion that is formed to intersect with the fluff portion according to one mounting mode, and that follows the contour of the vehicle having a curved inner surface and intersects the longitudinal direction of the fluff portion. A flexible base material that can be screwed while being bent in the direction in which the thread extends,
A brush characterized by:

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