Folding seat for rail transit

Abstract

The utility model provides a folding seat for rail transit, which comprises a backrest component, a seat component and a connecting base, and the front side of the backrest component is provided with a metal back for people to lean on; the chair seat assembly can be overturned relative to the backrest assembly; a metal seat surface for people to sit is arranged at the upper end of the chair seat assembly, and when the chair seat assembly is turned over and opened, the metal seat surface is connected with the metal back surface; the connecting base is used for connecting the backrest assembly and the chair seat assembly; the connecting base is fixed at the lower end of the backrest assembly, and the chair seat assembly is rotatably mounted at the front end of the connecting base; the folding seat for rail transit provided by the utility model adopts the stainless steel seat surface, and has the advantages of good durability and reduced occupied space.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of folding seat, especially a folding seat for rail transit. BACKGROUND

[0002] In the field of rail transit, the seat is an important facility for providing passengers with comfortable and safe riding experience. With the characteristic and humanization of the passenger compartment design in the field of rail transit, the individualization and various requirements of the seat product are continuously improved.

[0003] In particular, the seat with a stainless steel seat surface of the subway and rail vehicle with a large number of passengers has the characteristics of low cleaning and maintenance difficulty and good durability, and becomes the first choice for the passenger compartment seat. There are also folding seats, which can be folded when not in use, reducing the occupied space, especially suitable for limited space environment, but there is no stainless steel material seat with beautiful shape and small overall size in the field of folding seat. Therefore, it is necessary to design a folding seat made of stainless steel material, which can have the advantages of stainless steel seat and folding seat. SUMMARY

[0004] (I) Technical problem to be solved

[0005] The problem to be solved by the utility model is to provide a folding seat for rail transit, which adopts a stainless steel material seat surface and has the advantages of good durability and reduced space occupation.

[0006] (II) Technical scheme

[0007] To solve the technical problem, the utility model provides a folding seat for rail transit, which comprises:

[0008] A backrest assembly is provided with a metal back surface for people to lean against on the front side;

[0009] A seat assembly can be flipped relative to the backrest assembly; the upper end of the seat assembly is provided with a metal seat surface for people to sit on, and when the seat assembly is flipped open, the metal seat surface is connected with the metal back surface;

[0010] A connecting base is used to connect the backrest assembly and the seat assembly; the connecting base is fixed to the lower end of the backrest assembly, and the seat assembly is rotatably installed at the front end of the connecting base.

[0011] In some embodiments, the seat assembly further comprises a seat skeleton and a seat bottom shell fixed to the lower end of the seat skeleton, the metal seat surface is fixed to the upper end of the seat skeleton, and the seat skeleton is placed in the cavity enclosed by the seat bottom shell and the metal seat surface.

[0012] In some embodiments, a first U-shaped rubber strip is installed between the metal seat surface and the seat bottom shell, and a first Z-shaped flange is arranged at one end of the seat bottom shell towards the metal seat surface, and the lower edge of the metal seat surface is clamped into the first U-shaped rubber strip and fastened at the first Z-shaped flange.

[0013] In some embodiments, the metal seat surface is fixedly attached to the seat frame, the seat bottom shell is fixedly connected to the seat frame by a plurality of fasteners, and a plurality of decorative cover plates are installed on the seat bottom shell to shield the fasteners; the metal seat surface is made of stainless steel, the seat bottom shell is made of glass fiber reinforced plastic, and the decorative cover plates are made of aluminum plates.

[0014] In some embodiments, a seat rotating shaft is arranged at one end of the seat frame close to the connecting base, and two hinged side plates are symmetrically arranged on the connecting base, and the seat rotating shaft is rotatably installed between the two hinged side plates; a guide column is arranged on the seat frame at a side of the seat rotating shaft, and an arc-shaped guide groove is arranged on the hinged side plate and matched with the guide column.

[0015] In some embodiments, a torsional spring is sleeved on the seat rotating shaft, and the torsional spring is used for resetting the seat assembly; a damper is installed between the seat frame and a back frame of the back assembly, a lug is protrusively arranged on the seat frame, and a damping hinged seat is fixed on the back frame; the damper is arranged in the back assembly, one end of the damper is hingedly connected to the lug, and the other end of the damper is hingedly connected to the damping hinged seat.

[0016] In some embodiments, the back assembly includes a back frame and a back shell fixed to the back frame at a rear side, the metal back surface is fixed to a front side of the back frame, and a cavity accommodating the back frame is formed between the metal back surface and the back shell.

[0017] In some embodiments, a second U-shaped rubber strip is installed between the metal back surface and the back shell, a second Z-shaped flange is arranged at one end of the back shell towards the metal back surface, and a rear edge of the metal back surface is clamped into the second U-shaped rubber strip and fastened at the second Z-shaped flange.

[0018] In some embodiments, the metal back surface is made of stainless steel, and the back shell is made of glass fiber reinforced plastic.

[0019] In some embodiments, a hooking assembly is further included, the hooking assembly includes a hooking rack fixed to a wall surface of a vehicle compartment, and a hook is installed at a rear side of the back assembly and hooked with the hooking rack; a lower cover is installed at a bottom of the connecting base.

[0020] (Three) beneficial effects

[0021] The utility model provides a kind of folding seat for rail transit, backrest assembly has the metal back of stainless steel material, chair seat assembly has the metal seat of stainless steel material, and chair seat assembly can be folded over and folded relative to backrest assembly, it has the advantages of stainless steel seat and folding seat, low difficulty of cleaning maintenance, good durability, smaller space occupation, compact size light and thin;In addition, it also has damping function, and use hand feeling is better;Hooking component is used, and it is convenient to disassemble and assemble. BRIEF DESCRIPTION OF DRAWINGS

[0022] In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings needed in the embodiments will be briefly introduced as follows. Obviously, the drawings in the following description are only some embodiments of the present application, and other drawings can be obtained by those skilled in the art without creative labor.

[0023] Figure 1 It is a perspective view of the folding seat for rail transit of the utility model;

[0024] Figure 2 It is another perspective view of the folding seat for rail transit of the utility model;

[0025] Figure 3 It is an explosion view of the folding seat for rail transit of the utility model;

[0026] Figure 4 It is a perspective view of the chair seat assembly of the folding seat for rail transit of the utility model, and the connection of the connecting base and the backrest assembly;

[0027] Figure 5 It is an explosion view of the chair seat assembly of the folding seat for rail transit of the utility model;

[0028] Figure 6 It is a structural schematic view of the metal seat of the folding seat for rail transit of the utility model, the first U-shaped rubber strip and the connection of the chair seat bottom shell;

[0029] Figure 7 It is an explosion view of the backrest assembly of the folding seat for rail transit of the utility model;

[0030] The corresponding component names of the various reference numerals in the figures are as follows: 1, backrest assembly; 11, metal back surface; 12, backrest framework; 13, damping hinge seat; 14, backrest rear shell; 15, second U-shaped rubber strip; 141, second Z-shaped flange; 2, seat assembly; 21, metal seat surface; 22, seat framework; 23, seat bottom shell; 24, first U-shaped rubber strip; 25, decorative cover plate; 26, seat pivot; 27, torsion spring; 221, guide column; 222, lug; 231, first Z-shaped flange; 3, connecting base; 301, hinge side plate; 302, arc-shaped guide groove; 4, damper; 5, hooking assembly; 51, hooking frame; 52, hook; 6, lower housing. DETAILED DESCRIPTION

[0031] The present application will be described in detail below with reference to the drawings and specific embodiments.

[0032] The above and other aspects of the present application will become more apparent by describing in detail the embodiments thereof with reference to the attached drawings in which:

[0033] It is to be understood that the embodiments described hereinbelow within the scope of the appended claims. It will be apparent to one of ordinary skill in the art from this disclosure that the aspects described herein can be embodied in a wide variety of forms and that any specific structure and / or function described herein is merely illustrative. Based on the teachings herein one skilled in the art should appreciate that an aspect described herein can be implemented independently of any other aspects and that an aspect described herein can be implemented both as any number of software and / or hardware configurations and that the examples described herein are not the only way to implement that aspect. For example, an item or article of manufacture can comprise any one of a variety of components and / or articles of manufacture for performing the functions described herein. Additionally, the various instances of an item or article of manufacture can comprise any one of a variety of components and / or articles of manufacture for performing the functions described herein.

[0034] It is also to be understood that the above description is only illustrative of the application and that modifications and other implementations can occur to those skilled in the art upon reading the description. Accordingly, the present application is not limited to the above described embodiments, but rather only limited by the claims.

[0035] In addition, in the following description, specific details are provided to facilitate thorough understanding of examples. However, one skilled in the art will understand that the examples can be practiced without these specific details.

[0036] The technical solutions provided by the embodiments of the present application are described below with reference to the drawings.

[0037] Referring to Figures 1 to 7 , the utility model provides a kind of folding seat for rail transit, including backrest assembly 1, seat assembly 2 and connecting base 3.

[0038] Referring to Figures 1 to 3 , the front side of backrest assembly 1 is provided with the metal back 11 for people to lean against;Seat assembly 2 can be flipped relative to backrest assembly 1, and seat assembly 2 can be flipped open.The upper end of seat assembly 2 is provided with the metal seat surface 21 for people to sit on, and when seat assembly 2 is flipped open, the metal seat surface 21 and the metal back 11 form a metal chair surface.The connecting base 3 is used to connect backrest assembly 1 and seat assembly 2, and the connecting base 3 is fixed at the lower end of backrest assembly 1, and seat assembly 2 is rotatably installed at the front end of connecting base 3.This structure, by the cooperation of metal seat surface 21 and metal back 11, uses metal material for the chair surface, which is convenient for cleaning and maintenance;And using foldable seat assembly 2, it occupies small space, and the overall structure is simple and compact.

[0039] In some embodiments, as shown in Figure 5 , seat assembly 2 further includes a seat skeleton 22 for support and a seat bottom shell 23 fixed at the lower end of seat skeleton 22, and the metal seat surface 21 is fixed at the upper end of seat skeleton 22, and the seat skeleton 22 is placed in the cavity enclosed by seat bottom shell 23 and metal seat surface 21. Among them, the metal seat surface 21 is made of stainless steel, and the seat bottom shell 23 is made of glass steel.

[0040] In some embodiments, as shown in Figure 5 and Figure 6 , a first U-shaped rubber strip 24 is installed between the metal seat surface 21 and the seat bottom shell 23, and the end of the seat bottom shell 23 facing the metal seat surface 21 is provided with a first Z-shaped flange 231, and the lower edge of the metal seat surface 21 is clamped into the first U-shaped rubber strip 24 and buckled at the first Z-shaped flange 231.Adding the first U-shaped rubber strip 24 realizes the transition connection of the metal seat surface and the seat bottom shell, which is natural in transition and beautiful in appearance.

[0041] In some embodiments, as shown in Figure 5 , the metal seat surface 21 is fixedly attached to the seat skeleton 22, and the seat bottom shell 23 is fixedly connected to the seat skeleton 22 by a plurality of fasteners, and a plurality of decorative cover plates 25 are installed on the seat bottom shell 23 to shield the fasteners;Among them, the decorative cover plate 25 is an aluminum plate.Adding decorative cover plate 25 can shield the fasteners, and the appearance is beautiful.

[0042] In some embodiments, as shown in Figures 3 to 5 The chair seat frame 22 is provided with a chair seat rotating shaft 26 near one end connected to the base 3, and the base 3 is provided with two symmetrical hinged side plates 301, and the chair seat rotating shaft 26 is rotatably installed between the two hinged side plates 301, and the chair seat assembly 2 can rotate around the chair seat rotating shaft 26. The chair seat frame 22 is provided with a guide column 221 on one side of the chair seat rotating shaft 26, and the guide column 221 is provided on both sides of the chair seat frame 22, and the hinged side plate 301 is provided with an arc-shaped guide groove 302 matched with the guide column 221. Through the cooperation of the guide column 221 and the arc-shaped guide groove 302, the chair seat assembly 2 can be limited, so that when the chair seat assembly 2 is folded, the chair seat assembly 2 is arranged in parallel with the backrest assembly 1, and when the chair seat assembly 2 is unfolded, the chair seat assembly 2 is arranged perpendicular to the backrest assembly 1.

[0043] In some embodiments, as shown in Figures 3 to 5 The chair seat rotating shaft 26 is sleeved with a torsional spring 27, which is used for resetting the chair seat assembly 2 and is convenient for resetting. The chair seat frame 22 and the backrest frame 12 of the backrest assembly 1 are provided with a damper 4, the chair seat frame 22 is provided with a lug 222, and the backrest frame 12 is fixedly provided with a damping hinge seat 13; the damper 4 is arranged in the backrest assembly 1, one end of the damper 4 is hingedly connected to the lug 222, and the other end is hingedly connected to the damping hinge seat 13. The damper 4 is a prior art, which will not be described in detail in this embodiment. This structure adds the damper 4, which has a damping effect and increases the hand feeling of use.

[0044] In some embodiments, as shown in Figure 3 and Figure 7 The backrest assembly 1 and the chair seat assembly 2 are similar in structure. The backrest assembly 1 comprises a backrest frame 12 and a backrest rear shell 14 fixed to the rear side of the backrest frame 12, and a metal back surface 11 is fixed to the front side of the backrest frame 12, and a cavity accommodating the backrest frame 12 is formed between the metal back surface 11 and the backrest rear shell 14.

[0045] In some embodiments, as shown in Figure 3 and Figure 7 A second U-shaped rubber strip 15 is arranged between the metal back surface 11 and the backrest rear shell 14, and the backrest rear shell 14 is provided with a second Z-shaped flange 141 facing the metal back surface 11, and the rear edge of the metal back surface 11 is clamped into the second U-shaped rubber strip 15 and buckled at the second Z-shaped flange 141. The metal back surface 11 is made of stainless steel, and the backrest rear shell 14 is made of glass steel. This structure adds the second U-shaped rubber strip 15 to realize the transition of the metal back surface 11 and the backrest rear shell 14, which is natural and beautiful in appearance.

[0046] In some embodiments, as shown in Figure 2 and Figure 3As shown, the seat further comprises a hooking assembly 5, the hooking assembly 5 comprises a hooking frame 51 fixed on the wall of the vehicle compartment, a hook 52 which hooks with the hooking frame 51 is mounted on the rear side of the backrest assembly 1, and the hook 52 is fixed on the backrest frame 12 of the backrest assembly 1. A lower cover 6 is mounted on the bottom of the connecting base 3, and the lower cover 6 is used to shield the components inside the connecting base 3. When the seat is installed, first, the hooking frame 51 is fixed on the wall of the vehicle compartment, then the backrest assembly 1 is hung on the hooking frame 51 through the hook 52, and finally the connecting base 3 is fixed on the wall of the vehicle compartment through a plurality of fasteners, so that the connection is stable and the disassembly and assembly are convenient.

[0047] The same or similar parts among the various embodiments in the specification can be referred to each other, and each embodiment focuses on the difference from other embodiments.

[0048] The above merely illustrates the specific embodiments of the present application, but the protection scope of the present application is not limited to this. Any person skilled in the art can easily think of the changes or replacements within the technical scope disclosed in the present application, which should be covered in the protection scope of the present application. Therefore, the protection scope of the present application should be subject to the protection scope of the claims.

Claims

1. A folding seat for rail transportation, characterized by, The utility model relates to a chair backrest and seat assembly, comprising: a backrest assembly (1) provided with a metal back surface (11) for a person to lean against on the front side; a seat assembly (2) capable of being flipped relative to the backrest assembly (1); the upper end of the seat assembly (2) is provided with a metal seat surface (21) for a person to sit on; when the seat assembly (2) is flipped open, the metal seat surface (21) is connected with the metal back surface (11); a connecting base (3) for connecting the backrest assembly (1) and the seat assembly (2); the connecting base (3) is fixed at the lower end of the backrest assembly (1), and the seat assembly (2) is rotatably installed at the front end of the connecting base (3); the seat assembly (2) further comprises a seat framework (22) and a seat bottom shell (23) fixed at the lower end of the seat framework (22); the metal seat surface (21) is fixed at the upper end of the seat framework (22), and the seat framework (22) is arranged in a cavity enclosed by the seat bottom shell (23) and the metal seat surface (21); one end of the seat framework (22) close to the connecting base (3) is provided with a seat rotating shaft (26); the connecting base (3) is symmetrically provided with hinged side plates (301); the seat rotating shaft (26) is rotatably installed between the two hinged side plates (301); the seat framework (22) is provided with a guide column (221) on the side of the seat rotating shaft (26); the hinged side plates (301) are provided with arc-shaped guide grooves (302) matched with the guide column (221).

2. The folding seat for rail transit according to claim 1, wherein: a first U-shaped rubber strip (24) is installed between the metal seat surface (21) and the seat bottom shell (23); one end of the seat bottom shell (23) towards the metal seat surface (21) is provided with a first Z-shaped flange (231); the lower edge of the metal seat surface (21) is clamped into the first U-shaped rubber strip (24) and buckled at the first Z-shaped flange (231).

3. The folding seat for rail transit according to claim 1, wherein: the metal seat surface (21) is fixedly attached to the seat framework (22); the seat bottom shell (23) is fixedly connected to the seat framework (22) through a plurality of fasteners; the seat bottom shell (23) is provided with a plurality of decorative cover plates (25) for shielding the fasteners; the metal seat surface (21) is made of stainless steel; the seat bottom shell (23) is made of glass fiber reinforced plastic; and the decorative cover plates (25) are made of aluminum plates.

4. The folding seat for rail transit according to claim 1, wherein: a torsional spring (27) is sleeved on the seat rotating shaft (26); the torsional spring (27) is used for resetting the seat assembly (2); a damper (4) is installed between the seat framework (22) and a backrest framework (12) of the backrest assembly (1); the seat framework (22) is provided with a lug (222); the backrest framework (12) is fixedly provided with a damping hinged seat (13); the damper (4) is arranged in the backrest assembly (1); one end of the damper (4) is hingedly connected to the lug (222), and the other end is hingedly connected to the damping hinged seat (13).

5. The folding seat for rail transit as claimed in claim 1, wherein: The backrest assembly (1) comprises a backrest framework (12) and a backrest rear shell (14) fixed at the rear side of the backrest framework (12), the metal back (11) is fixed at the front side of the backrest framework (12), and a cavity accommodating the backrest framework (12) is formed between the metal back (11) and the backrest rear shell (14).

6. The folding seat for rail transit as claimed in claim 5, wherein: A second U-shaped rubber strip (15) is installed between the metal back (11) and the backrest rear shell (14), one end of the backrest rear shell (14) towards the metal back (11) is provided with a second Z-shaped flange (141), and the rear edge of the metal back (11) is clamped into the second U-shaped rubber strip (15) and buckled at the second Z-shaped flange (141).

7. The folding seat for rail transit as claimed in claim 5, wherein: The metal back (11) is made of stainless steel, and the backrest rear shell (14) is made of glass fiber reinforced plastic.

8. The folding seat for rail transit as claimed in claim 1, wherein: A hooking assembly (5) is further included, the hooking assembly (5) comprises a hooking frame (51) fixed on the wall of the carriage, and a hook (52) of the backrest assembly (1) is installed at the rear side and hooked with the hooking frame (51); and a lower cover (6) is installed at the bottom of the connecting base (3).

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