CN115303313A - Seat, carriage and rail vehicle - Google Patents

Abstract

Embodiments of the present application provide a seat, a carriage, and a rail vehicle, wherein the seat includes: seat legs, used to be fixed on the vehicle; seat cushions, arranged on top of the seat legs; seat backs, The bottom end thereof is rotatably connected with the seat cushion, and can be rotated to an upright state or to a forward tilted state. The seat, the carriage and the rail vehicle provided by the embodiments of the present application can improve the space utilization rate in the carriage.

Description

Seats, carriages and rail vehicles

technical field

The present application relates to rail vehicle seat structure technology, in particular to a seat, a carriage and a rail vehicle.

Background technique

Rail vehicles are an important transportation link connecting cities, and have gradually become the main means of transportation in cities. Rail vehicles are also the main carrier for cargo transportation. Rail vehicles are usually equipped with seats. Take the EMU seat as an example, the backrest of which can be adjusted from an upright state to a reclined state to improve riding comfort.

There are multiple rows of seats arranged along the length of the car in a carriage. There is a certain gap between the last row of seats and the end wall. No items can be placed in this gap, because there is an inspection door at the end wall, and there is an inspection door inside the door. certain equipment. However, during the operation of the vehicle, the inspection door is usually not opened, so the gap is always in an idle state.

Contents of the invention

In order to solve one of the above technical defects, an embodiment of the present application provides a seat, a carriage and a rail vehicle.

According to a first aspect of an embodiment of the present application, a seat is provided, comprising:

seat legs for securing to the vehicle;

a seat cushion disposed on top of the seat leg;

The seat back is rotatably connected with the seat cushion at its bottom, and can be turned to an upright state or to a forward leaning state.

According to a second aspect of the embodiments of the present application, there is provided a compartment, including: the above-mentioned seat.

According to a third aspect of the embodiments of the present application, a rail vehicle is provided, including: the carriage as described above.

In the seat provided by the embodiment of the present application, the seat back can be rotated relative to the seat cushion, can be rotated to an upright state for passengers to lean on, and can also be rotated to a forward leaning state, which is suitable for a position where the back is against the end wall of the vehicle. During the operation of the vehicle, the backrest is adjusted to an upright state for passengers to sit on; when it is necessary to open the inspection door on the end wall, the seat backrest is first adjusted to a forward tilted state to make room for opening the inspection door. This scheme improves Improve the space utilization of the guest room and increase the number of guests.

Description of drawings

The drawings described here are used to provide a further understanding of the application and constitute a part of the application. The schematic embodiments and descriptions of the application are used to explain the application and do not constitute an improper limitation to the application. In the attached picture:

Fig. 1 is the rear view of the seat that the embodiment of the present application provides;

Fig. 2 is a side view one of the seat provided by the embodiment of the present application;

Fig. 3 is the second side view of the seat provided by the embodiment of the present application;

Fig. 4 is a schematic structural view of the seat frame provided by the embodiment of the present application;

Figure 5 is an exploded view of the seat frame provided by the embodiment of the present application;

Fig. 6 is a structural schematic diagram of the forward tilt of the backrest frame provided by the embodiment of the present application;

Fig. 7 is a partial view of the seat frame provided by the embodiment of the present application;

FIG. 8 is a schematic structural view of the seat provided in the embodiment of the present application installed on a vehicle.

Reference signs:

25-side wall; 71-seat back; 711-back frame; 72-seat cushion; 721-cushion frame; 722-cushion shaft; 723-seat shaft support; Handrail; 75-forward tilting operating handle; 76-forward tilting rotating shaft; 761-thread teeth; 77-forward tilting action piece; 771-engaging teeth.

Detailed ways

In order to make the technical solutions and advantages in the embodiments of the present application clearer, the exemplary embodiments of the present application will be further described in detail below in conjunction with the accompanying drawings. Apparently, the described embodiments are only part of the embodiments of the present application, and Not an exhaustive list of all embodiments. It should be noted that, in the case of no conflict, the embodiments in the present application and the features in the embodiments can be combined with each other.

This embodiment provides a seat, which can be applied to a vehicle. The vehicle can be a rail vehicle or a trackless vehicle, wherein the rail vehicle can be an EMU, a light rail, a subway, or a tram.

In this application, the vehicle length direction is referred to as the longitudinal direction, the vehicle width direction is referred to as the transverse direction, and the vehicle height direction is referred to as the vertical or vertical direction.

Figure 1 is a back view of the seat provided by the embodiment of the present application, Figure 2 is the first side view of the seat provided by the embodiment of the present application, and Figure 3 is the second side view of the seat provided by the embodiment of the present application. As shown in FIGS. 1 to 3 , the present embodiment provides a seat, including: a seat back 71 , a seat cushion 72 and a seat leg 73 .

Wherein, the seat leg 73 is fixed to the vehicle, specifically, the bottom end of the seat leg 73 is fixed to the vehicle chassis or the vehicle floor. The seat cushion 72 is fixed on the top of the seat leg 73 , and the seat cushion 72 extends along the horizontal direction for bearing the weight of the passenger. The seat back 71 is rotatably connected with the seat cushion 72, and the seat back 71 can be rotated to an upright state or a slightly backward state (as shown in Figure 2 ), and can also be rotated to a forward leaning state (as shown in Figure 3 ). .

In the seat provided in this embodiment, the seat back can be rotated relative to the seat cushion, and can be rotated to an upright state for passengers to lean on, and can also be rotated to a forward leaning state, which is suitable for a position where the back is against the end wall of the vehicle. During the operation of the vehicle, the backrest is adjusted to an upright state for passengers to sit on; when it is necessary to open the inspection door on the end wall, the seat backrest is first adjusted to a forward tilted state to make room for opening the inspection door. This scheme improves Improve the space utilization of the guest room and increase the number of guests.

On the basis of the above technical solution, a rotation control structure can be used, which is arranged between the rear end of the seat cushion 72 and the bottom end of the seat back 71 to drive the seat back 71 to rotate relative to the seat cushion 72 . The rotating control structure can be operated manually or by electric control.

At least one side of the seat is provided with a seat armrest 74 . The seat armrest 74 can be fixedly arranged, and can also be rotatably arranged, for example: the seat armrest 74 can be turned upward to a position substantially flush with the seat back 71 , and can also be turned downward to extend horizontally for supporting the arms.

Fig. 4 is a schematic structural view of the seat frame provided by the embodiment of the present application, Fig. 5 is an exploded view of the seat frame provided by the embodiment of the present application, and Fig. 6 is a schematic structural view of the forward leaning backrest frame provided by the embodiment of the present application.

This embodiment provides a specific implementation manner: as shown in FIGS. 4 to 6 , the seat cushion 72 includes: a cushion frame 721 and a cushion disposed thereon, and the cushion is not shown in FIGS. 4 to 6 . Both sides of the rear end of the cushion skeleton 721 are respectively provided with cushion rotating shaft supports 723 extending vertically, and the seat cushion rotating shaft 722 is connected between the two seat cushion rotating shaft supports 723 .

The seat back 71 includes: a back frame 711 and a back cushion, and the back cushion is not shown in FIGS. 4 to 6 . Both sides of the bottom of the backrest frame 711 are respectively provided with forward tilting action parts 77, and the forward tilting action parts 77 are provided with connecting holes. Then the forward tilting action member 77 can rotate relative to the seat cushion rotating shaft 722 , driving the seat back 71 to rotate relative to the seat cushion 72 .

This embodiment provides a specific implementation of the rotation control structure: FIG. 7 is a partial view of the seat frame provided by the embodiment of the present application. As shown in FIG. 7 , the rotation control structure includes: a forward tilting rotation shaft 76 and a forward tilting operation handle 75 .

The forward tilting rotating shaft 76 is arranged on the cushion frame 721 along the front and rear direction of the seat, and the forward tilting rotating shaft 76 is provided with thread teeth 761 . The forward tilting operating handle 75 is positioned at the rear end or side of the seat, and the forward tilting operating handle 75 is connected with the forward tilting rotating shaft 76 for driving the forward tilting rotating shaft 76 to rotate.

One way of realization: the forward tilting operation handle 75 is arranged at the rear end of the seat, and is arranged vertically. The forward tilting operating handle 75 can rotate left and right, and the forward tilting operating handle 75 is manually pulled to rotate downwards to drive the forward tilting rotating shaft 76 to rotate.

The bottom end of the forward tilting action member 77 is provided with engaging teeth 771 for engaging with the threaded teeth 761 . When the forward tilting rotating shaft 76 rotates, through the meshing relationship between the meshing teeth 771 and the threaded teeth 761, the forward tilting action member 77 is driven to rotate back and forth, that is, the seat back 71 is driven to swing back and forth.

The above-mentioned solution is not the only feasible way, and a motor can also be used to drive the forward-tilting rotating shaft to rotate.

Further, this embodiment also provides an implementation of the seat legs:

FIG. 8 is a schematic structural view of the seat provided in the embodiment of the present application installed on a vehicle. As shown in FIG. 8 , the seat legs 73 are arc-shaped and extend in the transverse direction, and their top ends are fixed to the bottom surface of the seat cushion 72 , and their bottom ends are fixed to the vehicle floor.

Specifically, the middle part of the seat leg 73 is arched upwards, and the bottom end thereof extends toward the outside of the compartment, and is connected to the joint between the side wall and the floor. The top ends of the seat legs 73 are fixed to a link between two seats arranged side by side. The top ends of the seat legs 73 also extend below the seat located inside.

This embodiment provides a carriage, including the seat provided by any one of the above contents, and the seat is set against the end wall.

One way of implementation: two seats are connected side by side, connected to the top of a seat leg 73, and the side of the seat near the bottom end of the seat leg 73 is connected to the side wall 25 of the compartment. In FIG. 8 , the cushion frame of the seat on the left side is installed in the C-shaped groove of the side wall 25 through sliders and bolts. The bottom end of the seat support leg 73 is installed in the C-shaped groove at the junction of the side wall and the floor through slide blocks and bolts.

This embodiment also provides a rail vehicle, including the above carriage.

The carriage and the rail vehicle provided by this embodiment have the same technical effect as the above-mentioned seat.

In the description of the present application, it should be understood that the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", " The orientation or positional relationship indicated by "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner" and "outer" are based on the orientation or position shown in the drawings The positional relationship is only for the convenience of describing the present application and simplifying the description, but does not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present application.

In addition, the terms "first" and "second" are used for descriptive purposes only, and cannot be interpreted as indicating or implying relative importance or implicitly specifying the quantity of indicated technical features. Thus, a feature defined as "first" and "second" may explicitly or implicitly include one or more of these features. In the description of the present application, "plurality" means at least two, such as two, three, etc., unless otherwise specifically defined.

In this application, terms such as "installation", "connection", "connection" and "fixation" should be interpreted in a broad sense, for example, it can be a fixed connection or a detachable connection, unless otherwise clearly specified and limited. , or integrated; it can be mechanically connected, or electrically connected, or can communicate with each other; it can be directly connected, or indirectly connected through an intermediary, and it can be the internal communication of two components or the interaction relationship between two components. Those of ordinary skill in the art can understand the specific meanings of the above terms in this application according to specific situations.

While preferred embodiments of the present application have been described, additional changes and modifications to these embodiments can be made by those skilled in the art once the basic inventive concept is appreciated. Therefore, the appended claims are intended to be construed to cover the preferred embodiment and all changes and modifications which fall within the scope of the application.

Obviously, those skilled in the art can make various changes and modifications to the application without departing from the spirit and scope of the application. In this way, if these modifications and variations of the present application fall within the scope of the claims of the present application and their equivalent technologies, the present application is also intended to include these modifications and variations.

Claims (10)

1. A seat, characterized in that, comprising: seat legs for securing to the vehicle; a seat cushion disposed on top of the seat leg; The seat back is rotatably connected with the seat cushion at its bottom, and can be turned to an upright state or to a forward leaning state. 2. The seat according to claim 1, further comprising: The rotation control structure is arranged between the rear end of the seat cushion and the bottom end of the seat back, and is used to drive the seat back to rotate relative to the seat cushion. 3. The seat according to claim 2, wherein the seat cushion comprises: a cushion skeleton; the two sides of the rear end of the cushion skeleton are respectively provided with vertically extending cushion rotating shaft bearings, and the seat cushion rotating shaft Connected between the two cushion shaft supports; The seat back includes: a backrest frame; the two sides of the bottom end of the backrest frame are respectively provided with forward tilting action parts, and the forward tilting action parts are provided with connection holes, and the rotation shaft of the seat cushion is arranged on two forward tilting parts. In the connecting hole on the action piece. 4. The seat according to claim 2, wherein the rotation control structure comprises: The forward rotation shaft is arranged on the cushion frame along the front and back direction of the seat; the forward rotation shaft is provided with threaded teeth; The forward-tilting operating handle is located at the rear end or side of the seat; the forward-tilting operating handle is connected with the forward-tilting rotating shaft, and is used to drive the forward-tilting rotating shaft to rotate; The bottom end of the forward tilting action member is provided with engaging teeth for engaging with the threaded teeth. 5. The seat according to any one of claims 1-4, wherein the seat leg is an arc-shaped structure, the top end of which is fixed to the bottom surface of the seat cushion, and the bottom end is fixed to the vehicle floor. 6 . The seat according to claim 5 , wherein the middle portion of the leg of the seat is arched upwards, and the bottom end thereof extends toward the outside of the compartment, and is connected to the joint between the side wall and the floor. 7. A seat as claimed in claim 6, characterized in that the top ends of the legs of the seats are fixed to a link between two seats arranged side by side. 8. A compartment, characterized by comprising: the seat according to any one of claims 1-7. 9. A carriage as claimed in claim 8 wherein two seats are attached side by side to the top of one seat leg; the side of the seat near the bottom end of the seat leg is attached to the side wall of the carriage. 10. A rail vehicle, characterized by comprising: the carriage as claimed in claim 8 or 9.

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