Business seat for rail transit

Abstract

The utility model provides a business seat for rail transit, which comprises an L-shaped seat framework, a backrest mounted on the front side of a backrest supporting part of the seat framework and a headrest detachably mounted at the upper end of the backrest, and an arc-shaped surrounding part is arranged at the upper end of the backrest. The headrest is mounted in the middle of the arc-shaped surrounding part through a quick release structure; the quick-release structure comprises inserting seats symmetrically fixed to the seat framework, each inserting seat is provided with a horn-shaped inserting opening with an opening in the upper end, and an elastic piece corresponding to the horn-shaped inserting opening is installed in each inserting seat. T-shaped connecting pieces capable of being inserted into the horn-shaped insertion openings are symmetrically arranged on the rear side of the headrest, and the T-shaped connecting pieces tightly abut against the insertion seats through the elastic pieces after insertion. The business seat for the rail transit overcomes the defect that an existing rail transit seat is poor in riding comfort.

Description

TECHNICAL FIELD

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

[0002] With the acceleration of urbanization process in our country, green low carbon, energy saving and environmental protection, intelligent and convenient will be the main features of future city function positioning, and vigorously developing urban rail transit has become the wisdom choice of many domestic cities to develop transportation.In addition to the original subway, light rail, modern tram, city rail also develops rapidly.In the field of rail transit, rail transit seat is an important part, in order to provide comfortable riding environment for passengers, the design of rail transit seat is very important.

[0003] The existing rail transit seat generally includes seat cushion, backrest, cover shell, support leg, seat framework, etc., generally does not contain headrest, and the backrest wrapping feeling is poor, and the riding comfort is poor, which needs to be improved. INVENTION CONTENTS

[0004] (I) technical problem to be solved

[0005] The problem to be solved by the utility model is to provide a business seat for rail transit to overcome the defect that the existing rail transit seat has poor riding comfort.

[0006] (II) technical scheme

[0007] To solve the technical problem, the utility model provides a business seat for rail transit, which comprises an L-shaped seat framework, a backrest installed on the front side of the backrest supporting part of the seat framework and a headrest detachably installed on the upper end of the backrest, the upper end of the backrest is provided with an arc-shaped embracing part, and the headrest is installed in the middle part of the arc-shaped embracing part through a quick release structure;The quick release structure comprises plug-in seats fixed symmetrically on the seat framework, the plug-in seats are provided with trumpet-shaped sockets with open upper ends, and elastic sheets corresponding to the trumpet-shaped sockets are installed in the plug-in seats;The rear side of the headrest is symmetrically provided with T-shaped connecting pieces that can be inserted into the trumpet-shaped sockets, and after insertion, the elastic sheets make the T-shaped connecting pieces tightly abut on the plug-in seats.

[0008] In some embodiments, the backrest is provided with a first stop rod and a second stop rod on the upper part of one side of the backrest supporting part, and a connecting lug is symmetrically arranged on the lower part of the backrest supporting part;The upper part of the backrest supporting part is provided with a first plug-in plate that can be plugged with the first stop rod and a second plug-in plate that can be plugged with the second stop rod, and the bottom of the backrest supporting part is provided with a transverse connecting plate fixedly connected with the connecting lug.

[0009] In some embodiments, the headrest comprises a slow-rebound sponge and a headrest framework embedded in the slow-rebound sponge, and the T-shaped connector is fixed with the headrest framework; the backrest comprises a backrest sponge embedded with a plurality of steel wires.

[0010] In some embodiments, the seat framework is provided with a seat cushion support portion, a front end of the seat cushion support portion is bent towards the upper side, and a seat cushion is inserted into the seat cushion support portion.

[0011] In some embodiments, side armrests are mounted on both sides of the seat framework, first lugs are symmetrically arranged on both sides of the lower end of the backrest support portion, second lugs are symmetrically arranged on both sides of the seat cushion support portion, and the side armrests are fixedly connected with the corresponding first lugs and second lugs, respectively.

[0012] In some embodiments, a chassis assembly for supporting the seat framework is further included, a plurality of seat frameworks are mounted on the chassis assembly in a straight line direction, and a middle armrest is mounted between adjacent two seat frameworks.

[0013] In some embodiments, the chassis assembly comprises a support frame located on the upper side, a side support leg fixed on one side of the support frame, and a vertical support leg fixed on the other side of the support frame.

[0014] In some embodiments, a bottom cover plate is fixed on the side close to the backrest of the support frame. A backrest rear shell is mounted on the rear side of the backrest support portion, and an embedded back armrest is mounted on one side of the upper end of the backrest rear shell.

[0015] In some embodiments, the seat cushion is made of sponge material, and the seat framework and the chassis assembly are made of aluminum alloy material.

[0016] (III) Beneficial Effects

[0017] The utility model provides a business seat for rail transit, the top of backrest is provided with arc embrace part, increases the parcel feeling of backrest ride, the independent headrest can be detachably installed in the middle part of arc embrace part, can support the head of passenger, and the headrest adopts slow rebound sponge, has improved the comfort of passenger ride, the headrest is connected with backrest through quick release structure, passes through the cooperation of plug -in seat and T shaped connecting piece and inserts, can realize the quick disassembly of headrest, is convenient for product assembly, also is convenient for headrest dismounts and clears down maintenance or replacement, uses more convenient, overcomes the defect that the existing rail transit seat ride comfort is poor. BRIEF DESCRIPTION OF DRAWINGS

[0018] In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings needed to be used in the embodiments will be briefly introduced as follows. Obviously, the drawings in the following description only constitute some embodiments of the present application, and for those skilled in the art, other drawings can also be obtained from these drawings without creative labor.

[0019] Figure 1 It is a perspective view of the business seat for rail transit of the present application;

[0020] Figure 2 It is a perspective view of the bottom view of the business seat for rail transit of the present application;

[0021] Figure 3 It is an exploded view of the headrest and backrest of the business seat for rail transit of the present application;

[0022] Figure 4 It is a perspective view of the headrest of the business seat for rail transit of the present application;

[0023] Figure 5 It is a perspective view of the T-shaped connecting piece and plug-in seat connection of the business seat for rail transit of the present application;

[0024] Figure 6 It is an exploded view of the business seat for rail transit of the present application;

[0025] Figure 7 It is a perspective view of the seat frame and backrest connection of the business seat for rail transit of the present application;

[0026] Figure 8 It is a perspective view of the seat frame of the business seat for rail transit of the present application;

[0027] Figure 9 It is a perspective view of the seat frame of the business seat for rail transit of the present application;

[0028] Figure 10 It is an exploded view of the seat frame and seat cushion of the business seat for rail transit of the present application;

[0029] Figure 11 It is a perspective view of the chassis assembly of the business seat for rail transit of the present application;

[0030] The corresponding component names of the various reference numerals in the figures are as follows: 1, seat framework; 11, insertion seat; 12, elastic sheet; 13, first insertion plate; 14, second insertion plate; 15, transverse connecting plate; 101, backrest support part; 102, cushion support part; 103, first lug; 104, second lug; 111, horn-shaped socket; 2, backrest; 21, first blocking rod; 22, second blocking rod; 23, connecting lug; 201, arc-shaped embracing part; 3, headrest; 31, T-shaped connecting piece; 4, cushion; 5, side armrest; 6, base assembly; 61, support frame; 62, side support leg; 63, vertical support leg; 7, intermediate armrest; 8, bottom cover plate; 9, backrest rear shell; 10, embedded back armrest. DETAILED DESCRIPTION

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

[0032] The embodiments of this application are illustrated by way of example in the following drawings and specific embodiments herein, but one skilled in the art can readily understand other advantages and / or effects of the present application from this disclosure. Obviously, the described embodiments are only a part of embodiments of the present application, rather than all the embodiments. This application can also be implemented or applied in other different specific embodiments, and various modifications or changes can be made to the details based on different views and applications without departing from the spirit of the application. It should be noted that the following embodiments and features in the embodiments can be combined with each other without conflict. Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art without creative labor are within the scope of protection of the present application.

[0033] It should be noted that the various aspects of the embodiments described below are within the scope of the appended claims. It should be apparent 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 two or more of these aspects can be combined in various ways. For example, an apparatus can be implemented or a method can be practiced using any number of the aspects set forth herein. In addition, such an apparatus can be implemented or such a method can be practiced using other structure and / or functionality in addition to or other than one or more of the aspects set forth herein.

[0034] It should also be noted that the drawings included in the following embodiments are only to illustrate the basic concept of the present application in a schematic manner, and only the components related to the present application are shown in the drawings, not drawn according to the number, shape and size of the components when actually implemented, the actual implementation of each component can be a random change in shape, number and proportion, and the layout pattern of its components can be more complex.

[0035] In addition, in the following description, specific details are provided to facilitate a thorough understanding of the examples. However, one skilled in the relevant 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 11 The utility model provides a business seat for rail transit, including the seat framework 1 of L shape, install in the backrest 2 of seat framework 1 backrest support part 101 front side and the headrest 3 of detachable installation in the upper end of backrest 2, seat framework 1 has backrest support part 101 and seat cushion support part 102, backrest support part 101 is used to install backrest 2. The upper end of backrest 2 is provided with arc embrace part 201, the setting of arc embrace part 201 makes both sides widen and accords with ergonomics, can promote the sense of wrapping, promotes the comfort of riding, the riding surface of backrest 2 has the external contour of ergonomics, further promotes the comfort of riding.

[0038] Referring to Figures 3 to 5 The headrest 3 is installed in the middle part of the arc embrace part 201 by the quick release structure, and the independently arranged headrest 3 can support the head, and the riding is comfortable. The quick release structure includes a plug-in seat 11 symmetrically fixed on the seat framework 1, the plug-in seat 11 is provided with a horn-shaped socket 111 with an open upper end, the horn-shaped socket facilitates the insertion and clamping of the T-shaped connecting piece 31, and the plug-in seat 11 is provided with an elastic sheet 12 corresponding to the horn-shaped socket 111, and the elastic sheet 12 can be a rubber sheet. The rear side of the headrest 3 is symmetrically provided with a T-shaped connecting piece 31 that can be inserted into the horn-shaped socket 111, and the backrest 2 is provided with a through hole at a position corresponding to the plug-in seat 11, facilitating the plug-in of the T-shaped connecting piece 31 and the plug-in seat 11. After the T-shaped connecting piece 31 is inserted into the horn-shaped socket 111, the elastic sheet 12 can tightly abut the T-shaped connecting piece 31 on the plug-in seat 11. The elastic sheet is deformed to facilitate the insertion of the T-shaped connecting piece 31, and after the elastic sheet restores the deformation, the T-shaped connecting piece 31 can be tightly abutted on the plug-in seat 11, and the connection is firm. This structure adopts a quick release type headrest, is convenient to assemble, is convenient to clean and maintain or replace after disassembly, and is more convenient to use.

[0039] In some embodiments, as Figure 6 and Figure 7As shown, the backrest 2 is provided with a first blocking rod 21 and a second blocking rod 22 on the upper side of the one side of the backrest support part 101, and the lower part of the backrest 2 is symmetrically provided with a connecting lug 23; the upper part of the backrest support part 101 is provided with a first insertion plate 13 which can be inserted with the first blocking rod 21 and a second insertion plate 14 which can be inserted with the second blocking rod 22, and the first insertion plate 13 and the second insertion plate 14 are symmetrically provided with two, and the bottom of the backrest support part 101 is provided with a transverse connecting plate 15 which is fixedly connected with the connecting lug 23, and the connecting lug 23 is fixedly connected with the transverse connecting plate 15 through a fastening screw. With this structure, the backrest 2 is installed on the seat framework 1 in the mode of first insertion and then fastening through the fastening screw, and the assembly is convenient.

[0040] In some embodiments, the headrest 3 comprises a slow rebound sponge and a headrest framework which is embedded in the slow rebound sponge, and the T-shaped connecting piece 31 is fixed with the headrest framework; the slow rebound sponge is adopted to make the head support more comfortable; the backrest 2 comprises a backrest sponge which is embedded with a plurality of steel wires, and the steel wires can ensure the rigidity and shape of the backrest sponge.

[0041] In some embodiments, as shown in Figure 6 and Figure 10 , the seat framework 1 has a seat cushion support part 102, the front end of the seat cushion support part 102 is bent towards the upper side, and the seat cushion 4 is inserted and mounted on the seat cushion support part 102. The seat cushion 4 is made of sponge material to increase the comfort of sitting; the seat cushion 4 is mounted on the seat framework 1 in the mode of insertion and mounting, and the installation is convenient; in order to ensure the firmness, a screw can also be additionally provided for fixing.

[0042] In some embodiments, as shown in Figure 1 , Figure 6 and Figure 10 , the seat framework 1 is provided with a side armrest 5 on both sides, the lower end of the backrest support part 101 is symmetrically provided with a first lug 103 on both sides, the seat cushion support part 102 is symmetrically provided with a second lug 104 on both sides, and the side armrest 5 is fixedly connected with the corresponding first lug 103 and second lug 104.

[0043] In some embodiments, as shown in Figure 1 , Figure 6 and Figure 10As shown, the seat frame 1 is supported by a chassis assembly 6, and a plurality of seat frames 1 are arranged in a straight line on the chassis assembly 6, and a middle armrest 7 is arranged between adjacent two seat frames 1. In the embodiment, the number of seat frames 1 is two, and the actual number can be selected according to requirements; the connection mode of the middle armrest 7 is similar to that of the side armrest 5, that is, the two sides of the middle armrest 7 are fixedly connected with the corresponding first lug 103 and second lug 104. The middle armrest 7 and the side armrest 5 are similar in structure, and both include an inner frame and an outer PC cover. The arrangement of the middle armrest 7 and the side armrest 5 further increases the comfort of riding; and the connection through the first lug 103 and the second lug 104 is stable and convenient to install.

[0044] In some embodiments, as shown in Figure 2 , Figure 6 and Figure 11 , the chassis assembly 6 includes a support frame 61 on the upper side, a side support leg 62 fixed on one side of the support frame 61, and a vertical support leg 63 fixed on the other side of the support frame 61, the seat frame 1 is fixed on the support frame 61, the side support leg 62 is fixed on the side wall of the car compartment through a screw, and the vertical support leg 63 is fixed on the ground of the car compartment through a screw, which is stable in support.

[0045] In some embodiments, as shown in Figure 2 and Figure 6 , the bottom cover plate 8 is fixed on the side of the support frame 61 close to the backrest 2. The backrest support part 101 is provided with a backrest rear shell 9 on the rear side, and the backrest rear shell 9 is provided with an embedded back armrest 10 on one side of the upper end. The use of the bottom cover plate 8 and the backrest rear shell 9 can shield the seat frame 1 and ensure the appearance beauty; the embedded back armrest 10 is provided to increase its functionality and also more beautiful.

[0046] In some embodiments, the seat frame 1 and the chassis assembly 6 are both made of aluminum alloy material to ensure the lightness of the overall structure.

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

[0048] The above is only a specific embodiment of the present application, but the protection scope of the present application is not limited thereto, and any skilled person in the art can easily think of changes or replacements within the technical range 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 business seat for rail transportation, characterized by: The utility model provides a seat frame (1) including L-shaped seat frame (1), the backrest (2) of backrest support part (101) front side installation of seat frame (1) and detachable installation headrest (3) on the upper end of backrest (2), the upper end of backrest (2) is provided with arc embrace (201), headrest (3) is installed in the middle part of arc embrace (201) through quick release structure, the utility model discloses a quick release structure includes the plug-in seat (11) of symmetry fixed on seat frame (1), the plug-in seat (11) is provided with the horn-shaped socket (111) of upper end opening, the plug-in seat (11) is installed with the elastic sheet (12) corresponding with horn-shaped socket (111) in, the rear side of headrest (3) is provided with the T-shaped connecting piece (31) of symmetry and can be inserted into horn-shaped socket (111), and after insertion, the elastic sheet (12) makes T-shaped connecting piece (31) tightly abut on plug-in seat (11).

2. The business seat for rail traffic according to claim 1, characterized in that: The upper part of the backrest (2) is provided with a first stop rod (21) and a second stop rod (22) on one side in a spaced manner, and the lower part is provided with a connecting lug (23) in a symmetrical manner; the upper part of the backrest support part (101) is provided with a first plug plate (13) which can be inserted with the first stop rod (21) and a second plug plate (14) which is inserted with the second stop rod (22), and the bottom part is provided with a transverse connecting plate (15) which is fixedly connected with the connecting lug (23).

3. The business seat for rail traffic according to claim 1, characterized in that: The headrest (3) comprises a slow-rebound sponge and a headrest frame embedded in the slow-rebound sponge, and the T-shaped connecting piece (31) is fixed with the headrest frame; the backrest (2) comprises a backrest sponge, and a plurality of steel wires are embedded in the backrest sponge.

4. The business seat for rail traffic according to claim 1, characterized in that: The seat frame (1) is provided with a seat cushion support part (102), the front end of the seat cushion support part (102) is bent towards the upper side, and a seat cushion (4) is inserted into the seat cushion support part (102).

5. The business seat for rail traffic according to claim 4, characterized in that: The seat frame (1) is provided with a side armrest (5) on both sides, the lower end of the backrest support part (101) is provided with a first lug (103) on both sides in a symmetrical manner, and the seat cushion support part (102) is provided with a second lug (104) on both sides in a symmetrical manner, and the side armrest (5) is fixedly connected with the corresponding first lug (103) and second lug (104) respectively.

6. The business seat for rail traffic according to claim 4, characterized in that: The utility model also comprises a chassis assembly (6) for supporting the seat frame (1), a plurality of seat frames (1) are installed on the chassis assembly (6) in a straight line direction, and a middle armrest (7) is installed between adjacent two seat frames (1).

7. The business seat for rail traffic according to claim 6, characterized in that: The chassis assembly (6) comprises a support frame (61) located on the upper side, a side support leg (62) fixed on one side of the support frame (61), and a vertical support leg (63) fixed on the other side of the support frame (61).

8. The business seat for rail traffic according to claim 7, characterized in that: The support frame (61) is fixed with a bottom cover plate (8) on the side close to the backrest (2).

9. The business seat for rail traffic according to claim 1, characterized in that: The backrest support part (101) is provided with a backrest rear shell (9) on the rear side, and an embedded back armrest (10) is installed on one side of the upper end of the backrest rear shell (9).

10. The business seat for rail traffic according to claim 6, characterized in that: The seat cushion (4) is made of sponge material, and the seat frame (1) and the bottom frame assembly (6) are made of aluminum alloy material.

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