CN211391277U

CN211391277U - Side armrest mechanism of railway vehicle seat

Info

Publication number: CN211391277U
Application number: CN201921695611.7U
Authority: CN
Inventors: 张阳; 都行; 李阳
Original assignee: Jilin Ginyo Transport Facilities Co ltd
Current assignee: Jilin Ginyo Transport Facilities Co ltd
Priority date: 2019-10-11
Filing date: 2019-10-11
Publication date: 2020-09-01
Anticipated expiration: 2029-10-11

Abstract

The utility model discloses a rail vehicle seat side handrail mechanism, which comprises an upper shell mould body, a lower shell mould body, a handrail rotating shaft and a bolt, wherein the upper shell mould body comprises a self-skinning handrail surface, a convex part arranged below the handrail surface, a limiting structure arranged at the edge below the handrail surface and a hook at the end part below the handrail surface, the lower shell mould body comprises a cavity body, a cavity side wall provided with a shaft hole, reinforcing ribs distributed at intervals in the cavity body and clamping parts matched with the hooks at the lower part of the cavity body, the handrail rotating shaft comprises a large-diameter end and a small-diameter end, the large-diameter end is in interference fit with the shaft hole, the utility model adopts an upper shell body mounting structure and a lower shell body mounting structure, the handrail surface directly used by a user has better integrity, better comfort level and convenient management, is difficult to store dirt and contain dirt compared with a structure installed at the left side and the right side, is difficult to crack, adopts three-, beautiful appearance and can prevent the risk of scraping and the like of passengers.

Description

Side armrest mechanism of railway vehicle seat

Technical Field

The utility model relates to a rail vehicle seat limit handrail structure, especially a rail vehicle seat limit handrail mechanism of comfortable convenient to change.

Background

In recent years, the development of intercity public transportation in China is rapid, and with the continuous improvement of the living standard of people, the requirement of people on the comfort of the rail vehicles is also continuously improved as the rail vehicles are used as important components of the urban transportation. Not only the safety factor in the vehicle is improved, but also the comfort level of the running train for passengers is improved.

The existing side handrail structure has the following defects:

1. the upper part of the existing side armrest forming mechanism is made of hard surface material, so that the comfort of passengers for a long time is low, and adverse reactions such as fatigue, long-term elbow pressing pain and the like are easy to generate;

2. the existing side handrail forming mechanism part is formed by cloth cover coating, is not dirty-resistant and is difficult to clean and replace;

3. current limit handrail constitution mechanism is mostly the four sides and is mostly the edges and corners shape, and is comparatively heavy, scrapes risk such as bump to the passenger production easily.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to solve the not enough of prior art, provide a comfortable rail vehicle seat limit handrail mechanism of being convenient for change.

In order to realize the purpose, the following technical scheme is provided:

the rail vehicle seat side armrest mechanism comprises an upper shell mold body, a lower shell mold body, an armrest rotating shaft and a bolt, wherein the upper shell mold body comprises a self-skinning armrest surface, a protruding part arranged below the armrest surface, a limiting structure arranged at the edge below the armrest surface and a hook arranged at the end part below the armrest surface, the lower shell mold body comprises a cavity body, a cavity body side wall is provided with a shaft hole, reinforcing ribs distributed at intervals are arranged in the cavity body, the lower part of the cavity body is provided with a clamping position matched with the hook, the armrest rotating shaft comprises a large-diameter end and a small-diameter end, the large-diameter end is in interference fit with the shaft hole, a knurling pattern is pressed on the matching part, the large-diameter end is provided with a through hole, the front end of the cavity body is provided with a hole, a fastening piece penetrates through the hole at the front end of the cavity body and is matched with the threaded hole of the protruding part, the reinforcing rib upper shell mold body and the lower shell mold body, the small-diameter end of the armrest rotating shaft is inserted into the seat framework mounting hole, the seat framework mounting hole is close to the side armrest mechanism end and is bonded with a limiting shaft sleeve through glue, the end portion of the limiting shaft sleeve comprises a corresponding limiting groove, the bolt is inserted into a through hole of the large-diameter end and is limited through rigid contact with the limiting groove, the end portion of the bolt is fixed through a clamp spring, and meanwhile, the end of the small-diameter end is threaded and is fixed through a nut after being installed in the seat framework mounting hole.

Preferably, the shell on one side of the upper shell mold body is in a convex streamline shape, the shell on one side of the lower shell mold body is in a concave streamline shape, and the convex streamline shape is matched with the concave streamline shape.

Preferably, the knurled surface is subjected to zinc plating treatment, and is rust-proof and corrosion-proof.

Preferably, the handrail surface is formed by foaming a self-skinning polyurethane internal attached steel plate.

The utility model has the advantages that:

1. the utility model discloses a casing mounting structure from top to bottom makes the handrail face wholeness that the user directly used better, and the comfort level is better, and is convenient for manage, compares in the structure of controlling the installation and is difficult for hiding dirty dirt, is difficult for the fracture, adopts trilateral cambered surface molding, and no edges and corners is pleasing to the eye, and can prevent that the passenger from scraping and bump risk etc..

2. The utility model discloses the couple form that the upper casing mould body and the lower casing mould body pass through the front end hangs tightly with the fixed mode of fastener of rear end, and the relation of connection is simple, convenient to detach and change increase spacing of limit structure and strengthening rib simultaneously, make the location more accurate.

3. The upper shell mould body and the lower shell mould body are matched with each other vertically through the convex streamline and the concave streamline, so that the appearance is attractive, and the assembly and positioning are facilitated.

4. The knurled surface is galvanized, so that the rust and corrosion are prevented, and the service life is prolonged.

5. The handrail surface of the utility model is formed by foaming self-skinning polyurethane with an internal steel plate, the appearance is more beautiful, the self-skinning polyurethane material has higher elasticity, and the soft material and the resilience force improve the riding comfort level; the self-skinning polyurethane material is dirty-resistant, easy to clean, quick and convenient, and does not need to be disassembled for cleaning.

Drawings

FIG. 1 is an exploded view of the entire rail vehicle seat side armrest mechanism;

FIG. 2 is a schematic structural view of a part of an upper shell mold body;

FIG. 3 is a schematic view of the pre-assembly of the upper shell mold body and the lower shell mold;

FIG. 4 is a state view of the rail vehicle seat side armrest mechanism installed in a seat;

FIG. 5 is a cross-sectional view of the latch after installation;

fig. 6 is a schematic view of the overall structure of the limiting shaft sleeve.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the drawings in the embodiments of the present invention are combined to clearly and completely describe the technical solutions in the embodiments of the present invention, and obviously, the described embodiments are only some embodiments of the present invention, not all embodiments. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations. Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiment of the present invention, all other embodiments obtained by the person skilled in the art without creative work belong to the protection scope of the present invention.

It should be noted that in the description of the present invention, the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, which are only for convenience of description and simplification of description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

In addition, in the description of the present invention, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

The armrest mechanism on the seat side of the rail vehicle shown in fig. 1 comprises an upper shell mold body 10, a lower shell mold body 20, an armrest rotating shaft 30 and a bolt 40, wherein the upper shell mold body 10 shown in fig. 2 and 3 comprises a self-skinning armrest surface 11, a boss 12 arranged below the armrest surface 11, a limiting structure 13 arranged on the edge below the armrest surface 11 and a hook 14 arranged at the end below the armrest surface 11, the lower shell mold body 20 comprises a cavity 21, shaft holes 22 formed in the side wall of the cavity, reinforcing ribs arranged at intervals inside the cavity 21 and clamping positions matched with the hook 14 at the lower part of the cavity 21, the armrest rotating shaft 30 comprises a large-diameter end 31 and a small-diameter end 32, the large-diameter end 31 is in interference fit with the shaft holes 22, knurling 311 is pressed at the matched part, a through hole 312 is formed at the large-diameter end 32, a hole 24 is formed at the front end of the cavity 21, the boss 12 is arranged in the cavity 21 and is provided with a threaded hole, the fastening piece 50 penetrates through the hole 24 in the front end of the cavity 21 to be matched with the threaded hole 121 of the boss 12, the upper shell mold body 10 and the lower shell mold body 20 are fixed together, meanwhile, the limiting structures 13 are clamped among reinforcing ribs which are distributed at equal intervals, as shown in fig. 4-6, the small-diameter end 32 of the armrest rotating shaft is inserted into the seat frame mounting hole 50, the seat frame mounting hole 50 is close to the armrest mechanism end and is bonded with a limiting shaft sleeve 51 through glue, the end part of the limiting shaft sleeve 51 comprises a corresponding limiting groove 511, the bolt 40 is inserted into a through hole in the large-diameter end and is limited through rigid contact with the limiting groove 511, the end part of the bolt 40 is fixed through a clamp spring 52, meanwhile, the end head of the small-diameter end 32 is provided with threads and is fixed through a.

The shell on one side of the upper shell mold body 10 is in a convex streamline shape 15, the shell on one side of the lower shell mold body 20 is in a concave streamline shape 23, and the convex streamline shape 15 is matched with the concave streamline shape 23.

Among them, the surface of the knurl 311 is galvanized to prevent rust and corrosion. The handrail surface 11 is formed by foaming self-skinning polyurethane with an internal steel plate. The rail vehicle seat side armrest mechanism is integrally formed by three-side cambered surface modeling, has no edges and corners, is attractive, and can prevent passengers from scraping and colliding and other risks.

The above description is only for the specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art can easily think of the changes or substitutions within the technical scope of the present invention, and all should be covered within the protection scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims

1. The armrest mechanism on the side of the seat of the railway vehicle is characterized by comprising an upper shell mold body, a lower shell mold body, an armrest rotating shaft and a bolt, wherein the upper shell mold body comprises a self-skinning armrest surface, a protruding part arranged below the armrest surface, a limiting structure arranged at the edge below the armrest surface and a hook arranged at the end part below the armrest surface, the lower shell mold body comprises a cavity body, a cavity body side wall is provided with a shaft hole, reinforcing ribs are distributed at intervals in the cavity body, a clamping position matched with the hook is arranged at the lower part of the cavity body, the armrest rotating shaft comprises a large-diameter end and a small-diameter end, the large-diameter end is in interference fit with the shaft hole, a knurling is pressed on a matching part, the large-diameter end is provided with a through hole, the front end of the cavity body is provided with a hole, the protruding part is arranged in the cavity body and is provided with a threaded hole, a fastener penetrates through the hole at the, simultaneously limit structure card is between the stiffening rib of equidistant distribution, and handrail rotation axis path end inserts in the seat skeleton mounting hole, the seat skeleton mounting hole is close to limit handrail mechanism end and bonds through glue and has spacing axle sleeve, spacing axle sleeve tip includes corresponding spacing groove, and the bolt inserts and carries on spacingly through contacting with spacing groove rigidity in the through-hole of big footpath end, and the bolt tip is fixed through the jump ring, and the end of path end is threaded simultaneously, installs and fixes through the nut behind the seat skeleton mounting hole.

2. The rail vehicle armrest mechanism of claim 1, wherein the shell on one side of the upper shell mold body is in the shape of a convex streamline, the shell on one side of the lower shell mold body is in the shape of a concave streamline, and the convex streamline is matched with the concave streamline.

3. The rail vehicle seat side armrest mechanism of claim 1, wherein the knurled surface is galvanized, rust resistant, and corrosion resistant.

4. The rail vehicle seat side armrest mechanism of claim 1, wherein the armrest surface is formed by foaming a self-skinning polyurethane-based inner attached steel plate.