Passenger seat assembly for railway vehicle

Abstract

The utility model provides a passenger seat assembly for a railway vehicle. The passenger seat assembly comprises a backrest assembly, a cushion assembly, a seat framework assembly, aisle side handles, a reading lamp assembly, a power socket, a decorative housing assembly, supporting leg assemblies and armrest assemblies. The seat overcomes the defects and defects in the prior art, is simple and reasonable in structure, rich in function and good in connection stability, achieves good body pressure distribution and comfortable and relaxed sitting postures through reasonable connection between the structures, guarantees safety and comfort of passengers, and is suitable for popularization and application. Reasonable seat size design, reasonable body pressure distribution on the seat cushion, reasonable body pressure distribution on the backrest and the like provide a comfortable and relaxed sitting posture, excellent lateral stability and lumbar vertebra supporting feeling for passengers, the riding comfort of people is good, the pressure on shoulder blades and lumbar vertebra bones is the highest, and the comfort of the passengers is improved. And the seat can well support the head, the shoulders and the waist of a human body, and is suitable for a long journey.

Description

Technical Field

[0001] The utility model relates to the field of equipment for rail vehicles, in particular to a passenger seat assembly for rail vehicles. Background Art

[0002] With the rapid development of rail transit, traditional passenger seats can no longer meet the needs of the development of the form. The riding comfort is poor, fatigue is easy to occur, and it is not suitable for people to ride for a long time. Humanized transformation of passenger seats is carried out to improve the comfort and practicality of passenger seats. Utility Model Content

[0003] The purpose of the utility model is to provide passengers with a rail vehicle passenger seat with a simple and reasonable structure, rich functions and good connection stability, and through reasonable connection between structures, good body pressure distribution, comfortable and relaxed sitting posture, excellent lateral stability and lumbar support feeling can be achieved.

[0004] In order to achieve the above-mentioned object, the utility model provides a passenger seat assembly for a rail vehicle, comprising a backrest assembly, a cushion assembly, a seat frame assembly, an aisle side handle assembly, a reading light assembly, a power socket and a decorative cover assembly, a leg assembly and an armrest assembly;

[0005] The backrest assembly is provided with a backrest frame, and the backrest frame is provided with a pulley. The seat frame assembly is provided with a cover plate, and the cover plate is provided with a pulley groove, and the pulley slides in the pulley groove of the cover plate. The cushion assembly is provided with a cushion frame, and the backrest frame and the cushion frame are connected together by a pin shaft. The aisle side handle and the cover plate in the seat frame assembly are installed and fixed by a first bolt assembly, and the reading light assembly and the cover plate in the seat frame assembly are installed and fixed by a second bolt assembly. The power socket and decorative cover shell assembly are provided with a power socket and a USB module, and the power socket and decorative cover shell assembly and the cover plate in the seat frame assembly are installed and fixed by a third bolt assembly. The seat frame assembly is provided with a bottom frame crossbeam, and the bottom frame crossbeam is provided with a threaded block. The leg assembly is installed and fixed to the seat frame assembly by a fourth bolt assembly. The armrest assembly is provided with an armrest shaft, and the armrest assembly and the cover plate in the seat frame assembly are installed and fixed by a fifth bolt assembly.

[0006] The seat overcomes the deficiencies and shortcomings of the prior art, has a simple and reasonable structure, rich functions and good connection stability, and through reasonable connection between structures, achieves good body pressure distribution, comfortable and relaxed sitting posture, and ensures the safety and comfort of passengers. Reasonable seat size design, reasonable body pressure distribution on the seat cushion, reasonable body pressure distribution on the backrest, etc. provide passengers with a comfortable and relaxed sitting posture, excellent lateral stability and lumbar support. People are comfortable to ride, the pressure is highest at the shoulder blades and lumbar vertebrae, and the head, shoulders and waist of the human body are well supported, making it suitable for longer journeys. BRIEF DESCRIPTION OF THE DRAWINGS

[0007] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0008] Figure 2 is a perspective view of the utility model;

[0009] Figure 3 This is a schematic diagram of the aisle side handle structure of the utility model;

[0010] Figure 4 This is a schematic diagram of the structure of the reading light of the utility model;

[0011] Figure 5 It is composed of a power socket and a decorative cover of the utility model;

[0012] Figure 6 It is a schematic diagram of the structure of the installation of the bottom frame crossbeam and the outriggers;

[0013] Figure 7 This is a schematic diagram of the structure of the handrail of the utility model;

[0014] Figure 8 This is a schematic diagram of the cover plate structure of the utility model. DETAILED DESCRIPTION

[0015] The seats are designed according to the principles of ergonomics to ensure the safety and comfort of passengers. Reasonable seat size design, reasonable body pressure distribution on the seat cushion and reasonable body pressure distribution on the backrest provide passengers with a comfortable and relaxed sitting posture, excellent lateral stability and lumbar support. People feel comfortable riding and are suitable for longer journeys. When riding for a long time, there should be no feeling of pressure or muscle numbness in the contact area between the body and the seat, giving people a comfortable and relaxed sitting posture.

[0016] The seat should have a large contact support surface and body pressure should be distributed reasonably.

[0017] Seat surface requirements: The pressure is highest under the ischial tuberosity, and the pressure decreases along the thigh to the knee; the pressure is evenly distributed and changes smoothly.

[0018] Backrest surface requirements: Support the entire surface, with the highest pressure at the shoulder blades and lumbar vertebrae, and provide good support for the head, shoulders and waist of the human body.

[0019] The passenger compartment seat includes a backrest component 1, a seat cushion component 2, a seat frame component 3, an aisle side handle component 4, a reading light component 5, a power socket and a decorative cover component 6, a leg component 7, and an armrest component 8. Figure 1 shown.

[0020] The backrest component 1 is provided with a backrest frame 9, and the backrest frame 9 is provided with a pulley 11. The seat frame component 3 is provided with a cover plate 12, and the cover plate 12 is provided with a pulley groove. The pulley 11 slides in the pulley groove of the cover plate 12. The cushion component 2 is provided with a cushion frame 10. The backrest frame 9 and the cushion frame 10 are connected together through a pin shaft 13. Figure 2 and Figure 8 shown.

[0021] The aisle side handle 4 and the cover plate 12 in the seat frame assembly 3 are fixed by bolt assemblies 14. Figure 3 shown.

[0022] The reading light assembly 5 and the cover plate 12 in the seat frame assembly 3 are fixed by bolt assemblies 15. Figure 4 shown.

[0023] The power socket and decorative cover assembly 6 is provided with a power socket and a USB module, and the power socket and decorative cover assembly 6 is fixed to the cover plate 12 in the seat frame assembly 3 by a bolt assembly 16. Figure 5 shown.

[0024] The seat frame component 3 is provided with a bottom frame crossbeam 17, and the bottom frame crossbeam 17 is provided with a threaded block 18. The leg component 7 is fixed to the seat frame component 3 by a bolt assembly 19. Figure 6 shown.

[0025] The armrest assembly 8 is provided with an armrest shaft 20, and the armrest assembly 8 and the cover plate 12 in the seat frame assembly 3 are fixedly mounted by a bolt assembly 21. Figure 7 shown.

Claims

1. A passenger seat assembly for a rail vehicle, characterized in that: It includes backrest components, seat cushion components, seat frame components, aisle side handle components, reading light components, power socket and decorative cover components, leg components and armrest components; The backrest assembly is provided with a backrest frame, and the backrest frame is provided with a pulley. The seat frame assembly is provided with a cover plate, and the cover plate is provided with a pulley groove. The pulley slides in the pulley groove of the cover plate. The cushion assembly is provided with a cushion frame, and the backrest frame and the cushion frame are connected together by a pin shaft. The aisle side handle and the cover plate in the seat frame assembly are installed and fixed by a first bolt assembly, and the reading light assembly and the cover plate in the seat frame assembly are installed and fixed by a second bolt assembly. The power socket and decorative cover shell assembly are provided with a power socket and a USB module, and the power socket and decorative cover shell assembly and the cover plate in the seat frame assembly are installed and fixed by a third bolt assembly. The seat frame assembly is provided with a base frame crossbeam, and the base frame crossbeam is provided with a threaded block. The leg assembly is installed and fixed to the seat frame assembly by a fourth bolt assembly, and the armrest assembly and the cover plate in the seat frame assembly are installed and fixed by a fifth bolt assembly.

2. A rail vehicle passenger seat assembly according to claim 1, characterized in that: The handrail assembly is provided with a handrail shaft.

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