High-speed train rear enclosure with integrated function design and seat of high-speed train rear enclosure

Abstract

The utility model discloses a high-speed train integrated functional design rear enclosure and a seat thereof, and belongs to the technical field of chairs, the rear enclosure comprises a rear enclosure body, a small table plate is arranged on the rear side of the rear enclosure body, the small table plate is rotatably connected with the rear enclosure body, a storage pocket is arranged on the rear side of the rear enclosure body, and the small table plate is rotatably connected with the storage pocket. The storage pocket is located below the small table board, and a storage groove is formed in the rear surrounding body and located beside the storage pocket. According to the utility model, the small table plate, the storage pocket and the storage groove are arranged on the rear enclosure body, and the structures with different functions are integrated on the rear side of the rear enclosure body, so that the purpose of reasonably utilizing the rear enclosure is achieved, and the functions of the rear side of the rear enclosure are diversified so as to meet the requirements of different passengers.

Description

Technical Field

[0001] The utility model relates to the technical field of seats, in particular to a rear enclosure with integrated functional design for a high-speed train and a seat thereof. Background Art

[0002] With the rapid development of high-speed rail vehicles, the requirements for interior equipment of carriages are becoming higher and higher, in order to improve the grade of carriages and meet the personalized needs of high-end passengers.

[0003] At present, the seats on high-speed trains include a backrest, a cushion and an armrest. There is usually only a small table behind the backrest for the passengers behind to place items, etc., and the current design of the backrest of the backrest has a relatively single function, which is difficult to meet the needs of different passengers. Therefore, a technical solution is urgently needed. Utility Model Content

[0004] The utility model aims at the deficiencies in the prior art and provides a rear enclosure and a seat of a high-speed train with integrated functional design.

[0005] The technical solution of the utility model to solve the above technical problems is as follows:

[0006] In a first aspect, the utility model provides a rear enclosure with integrated functional design for a high-speed train.

[0007] A rear enclosure with an integrated functional design for a high-speed train comprises a rear enclosure body, a small table is provided on the rear side of the rear enclosure body, the small table is rotatably connected to the rear enclosure body, a storage pocket is provided on the rear side of the rear enclosure body, the storage pocket is located below the small table, and the rear enclosure body is provided with a storage slot, the storage slot is located next to the storage pocket.

[0008] The technical effect of adopting the above technical scheme is: a small table, storage pockets, and storage slot structures are set on the rear surround body, and these structures with different functions are integrated on the rear side of the rear surround body to achieve the purpose of rationally utilizing the rear surround, making the functions of the rear side of the rear surround diversified to meet the needs of different passengers.

[0009] Furthermore, when the small table top is in an initial state, the small table top and the rear enclosure body are in the same plane.

[0010] The technical effect of adopting the above technical solution is that the small table and the rear enclosure body are in the same plane, so the small table in the initial state (the state of being stored when not in use) basically does not occupy additional space between the front and rear seats.

[0011] Furthermore, a notch is provided at the movable end of the small table top.

[0012] The technical effect of adopting the above technical solution is: when a passenger needs to use the small table, the setting of the notch can improve the convenience of the passenger in turning the small table and provide support for the passenger to turn the small table.

[0013] Furthermore, the corners of the small table top are all chamfered or rounded.

[0014] The technical effect of adopting the above technical solution is that the chamfering or rounded corner setting can reduce the possibility of the corner position causing harm to the passengers when the passengers are using the small table.

[0015] Furthermore, a foot compartment is provided on the rear side of the rear enclosure body. The foot compartment is located directly below the seat cushion, and the edge corners of the foot compartment are designed to be arc-shaped.

[0016] The technical effect of adopting the above technical scheme is: on the one hand, when passengers are sitting on the seats, they can put their feet into the footwell to relieve the discomfort of the legs when riding on the train for a long time; on the other hand, when the passengers put their feet into the footwell, if the passengers shake their legs in the footwell, the footwell is arranged on the rear surround body, so that the transmission of vibration to the seat cushion can be reduced, reducing the impact on the passengers in front; and the arc-shaped design at the corners of the edges of the footwell can reduce the possibility of damage to the legs of passengers during activities, thereby improving safety.

[0017] Furthermore, a sealing plate is provided at the front end of the foot bin, and the sealing plate is used to seal the front end of the foot bin.

[0018] The technical effect of adopting the above technical solution is that the setting of the sealing plate can prevent the passenger's feet (legs) from being stretched too long and affecting the passenger in front.

[0019] Furthermore, the upper end of the sealing plate extends rearwardly to surround the front of the main body so that the sealing plate is inclined.

[0020] The technical effect of adopting the above technical solution is: when the feet are inserted into the foot compartment, due to the inclined setting of the sealing plate, the soles of the passengers' feet fit against the sealing plate, thereby improving the comfort.

[0021] Furthermore, the small table top includes a first plate body and a second plate body, the first plate body is rotatably connected to the rear surrounding body, the second plate body is rotatably connected to the first plate body, the rotation angle of the second plate body is 0°-180°, the small table top is provided with a protrusion, and the small table top is provided with a placement groove for placing items.

[0022] The technical effect of adopting the above technical solution is: the small table is arranged as a foldable structure, which can provide passengers with space for choice. Passengers can conveniently choose to open or fold the small table according to the number of items or actual use needs. The folding design of the small table is more user-friendly; if passengers need to place cups or beverage bottles on the small table, the placement groove can provide space for placing the cups, and the protrusions act as a bracket, which can facilitate passengers to place mobile phones or other electronic products.

[0023] Furthermore, a foot pedal is provided at the horizontal part of the foot bin, one end of the foot pedal is rotatably connected to the horizontal part of the foot bin, and a support member for supporting the foot pedal is provided at the horizontal part of the foot bin; a mounting frame is connected to the horizontal part of the foot bin, a mounting ear plate is provided at one end of the foot pedal, and the mounting ear plate is rotatably connected to the mounting frame.

[0024] The technical effect of adopting the above technical solution is: the foot pedal is inclined in the initial state, and the passenger can directly place his feet on the foot pedal and support his feet through the foot pedal, and the setting of the support can drive the foot pedal to rotate, that is, change the inclination degree of the foot pedal to meet the needs of different passengers and improve comfort and experience.

[0025] Furthermore, the support member is a gas spring, the output end of the gas spring is hinged to the end of the foot pedal, the base of the gas spring is hinged to the horizontal part, and when the gas spring is in an initial state, the foot pedal is in an inclined state.

[0026] The technical effect of adopting the above technical scheme is: when the foot pedal is in the initial state, the foot pedal is supported by the gas spring so that the foot pedal is in an inclined state. When the passenger needs to drive the foot pedal to rotate, the passenger steps on the foot pedal downward, giving the foot pedal a driving force to rotate downward, which can drive the foot pedal to rotate, thereby improving the convenience of driving the foot pedal to rotate.

[0027] In a second aspect, the utility model provides a seat.

[0028] A seat includes a seat body and a rear surround with an integrated functional design for a high-speed train, wherein the rear surround includes a rear surround body, the rear surround body is installed on a carriage, the rear surround body is adapted to the seat body, and the rear surround body is used to surround the rear side and both sides of the seat body.

[0029] The technical effect of adopting the above technical solution is: the bottom surface of the rear surround body is connected to the vehicle compartment, and the rear surround body surrounds both sides of the seat body, which can protect the privacy of the passengers.

[0030] Furthermore, the seat body includes a seat back and a seat cushion, and when the seat back is in an initial state, there is a gap between the seat back and the vertical portion of the rear surrounding body.

[0031] The technical effect of adopting the above technical solution is: the rear surround body is rigidly set, and there is a gap between the seat back and the vertical part of the rear surround body, so when the passenger at the rear wants to stand up to gain leverage, the passenger pulls the rear surround body and the seat does not shake, thus not affecting the passengers in the front. BRIEF DESCRIPTION OF THE DRAWINGS

[0032] Figure 1 The overall structure of the rear enclosure of the utility model is shown in FIG. Figure 1 ;

[0033] Figure 2 The overall structure of the rear enclosure of the utility model is shown in FIG. Figure 2 ;

[0034] Figure 3 A rear view of the rear enclosure of an embodiment of the utility model;

[0035] Figure 4 This is a schematic diagram of the overall structure of the seat and the rear enclosure body after assembly according to the embodiment of the utility model;

[0036] Figure 5 This is a structural schematic diagram highlighting the chair back and the rear enclosure body of the embodiment of the utility model;

[0037] Figure 6 This is a schematic diagram of the state after the chair back is adjusted according to the embodiment of the utility model;

[0038] Figure 7 This is a schematic diagram of the structure of a small table in an embodiment of the utility model;

[0039] Figure 8 This is a schematic diagram of the structure of the foot pedal of an embodiment of the utility model;

[0040] Fig. 9 for Figure 8 A magnified view of the structure of part A;

[0041] Fig.10 This is a schematic diagram of the structure of the foot pedal and the mounting ear plate in this embodiment;

[0042] Fig.11 Schematic diagram of the structure of the foot pedal and the gas spring in this embodiment;

[0043] Fig.12 Schematic diagram of the structure of the gas spring, mounting bracket and foot pedal in this embodiment.

[0044] Explanation of the reference numerals in the accompanying drawings: 1. rear enclosure body; 2. foot compartment; 3. small table board; 4. notch; 5. storage pocket; 6. storage slot; 7. seat body; 8. chair back; 9. seat cushion; 10. sealing plate; 11. support platform; 12. first plate body; 13. second plate body; 14. bump; 15. placement slot; 16. foot pedal; 17. mounting ear plate; 18. gas spring; 19. mounting frame. DETAILED DESCRIPTION

[0045] The principles and features of the present invention are described below in conjunction with all the accompanying drawings. The examples given are only used to explain the present invention and are not used to limit the scope of the present invention.

[0046] The utility model embodiment discloses a rear enclosure with integrated functional design for a high-speed train and a seat thereof.

[0047] In a first aspect, an embodiment of the utility model provides a rear enclosure with integrated functional design for a high-speed train.

[0048] Reference Figure 1-Figure 4 A rear enclosure with integrated functional design for high-speed trains comprises a rear enclosure body 1, a small table 3 is arranged at the rear side of the rear enclosure body 1, and the small table 3 is located at a middle upper position of the rear enclosure body 1 for the convenience of passengers. The small table 3 is rotatably connected to the rear enclosure body 1, and the rotating shaft of the small table 3 is horizontally arranged, and the rotating shaft of the small table 3 is located at the bottom end of the small table 3. The small table 3 is in a vertical storage state when not in use (initial state), such as Figure 2 As shown, when the small table 3 is needed, the small table 3 can be rotated to a horizontal state. In this embodiment, the small table 3 is arranged at the rear side of the rear surround 1, and even if the front passenger adjusts the seat back 8, the position of the small table 3 will not be changed, that is, the relative position of the small table 3 will not change with the adjustment of the seat back 8.

[0049] A storage pocket 5 is provided on the rear side of the rear enclosure body 1, and the storage pocket 5 is located below the small table 3. Taking the forward direction of the train as an example, the storage pocket 5 is located on the left side of the rear enclosure body 1; the rear enclosure body 1 is provided with a storage slot 6, and the storage slot 6 is located next to the storage pocket 5, that is, the storage slot 6 is located on the right side of the storage pocket 5. The arrangement of the storage pocket 5 and the storage slot 6 can be convenient for passengers to use according to different needs, making the maximum use of the rear side of the rear enclosure body 1 to meet the different needs of passengers.

[0050] When the small table 3 is in the initial state (the storage state when not in use), the small table 3 and the rear enclosure body 1 are in the same plane, that is, the small table 3 does not protrude from the vertical surface of the rear enclosure body 1, so the space occupied by the small table 3 in the vertical state can be reduced, which refers to the space between the front and rear seats, such as Figure 2 The figure shows the status diagram of the front and rear seat positions.

[0051] The movable end of the small table 3 is provided with a notch 4, such as Figure 2 and Figure 3 As shown, the movable end of the small table 3 is the upper end of the small table 3 in the vertical state, the notch 4 is located in the middle position of the movable end of the small table 3, and the thickness of the notch 4 is equal to the thickness of the small table 3. When the passenger needs to use the small table 3, the setting of the notch 4 can provide convenience for the passenger to turn the small table 3.

[0052] The corners of the small table 3 are all chamfered or rounded. When passengers use the small table 3, the chamfered or rounded corners can reduce the possibility of passengers being injured by bumps from the corners of the small table 3.

[0053] Reference Figure 7 The small table 3 includes a first plate 12 and a second plate 13. The first plate 12 is rotatably connected to the rear enclosure body 1. The rotation angle of the first plate 12 is 0-90°. In the initial state, the first plate 12 is vertically arranged. When the small table 3 needs to be used, the small table 3 can be rotated 90° to a horizontal state. The second plate 13 is rotatably connected to the first plate 12. The rotation angle of the second plate 13 is 0°-180°. That is, when the first plate 12 is rotated to a horizontal state, if the second plate 13 is used, the second plate 13 is flipped over to keep the same plane as the first plate 12. If the second plate 13 is not needed, the second plate 13 is flipped over to the top of the first plate 12, which is equivalent to folding the small table 3. A protrusion 14 is provided on the small table 3, and a placement slot 15 for placing items is provided on the small table 3. There are two placement grooves 15 and two protrusions 14, one of which is located on one side of the first plate body 12, and the other is located on one side of the second plate body 13. When the second plate body 13 is flipped over the first plate body 12, the protrusion 14 and the placement groove 15 are located on the upper end surface of the second plate body 13 for the convenience of passengers. When the second plate body 13 is rotated to a horizontal state and is located on the same horizontal plane as the first plate body 12, passengers use the protrusion 14 and the placement groove 15 located on the first plate body 12.

[0054] The small table 3 is configured as a foldable structure, which can provide passengers with space for choice. Passengers can conveniently choose to open or fold the small table 3 according to the number of items or actual use needs. The folding design of the small table 3 is more user-friendly. If passengers need to place cups or beverage bottles on the small table 3, the placement groove 15 can provide space for the placement of the cups, and the protrusion 14 can serve as a bracket, which can facilitate passengers to place mobile phones or other electronic products. Taking the first plate 12 as an example, when the first plate 12 is rotated to a horizontal state, the protrusion 14 is located on the side of the first plate 12 away from the second plate 13, such as Figure 7As shown, the passenger places the mobile phone on the side of the protrusion 14 close to the rear enclosure body 1, and the mobile phone can be stuck between the rear enclosure body 1 and the protrusion 14 to support the mobile phone. Figure 7 When the small table 3 is folded, the protrusion 14 provided on the second plate 13 is located at the top, and similarly, the mobile phone is located between the protrusion 14 on the second plate 13 and the rear surrounding body 1, such as Figure 7 The icon on the lower right side of the center is for the convenience of passengers; Figure 7 The diagram in the upper left center shows the state of the small table 3 when it is stored.

[0055] Reference Figure 5 A foot compartment 2 is provided on the rear side of the rear enclosure body 1. The foot compartment 2 is located directly below the seat cushion 9 and extends toward the front end. The passenger can extend his feet forward into the foot compartment 2. Therefore, the leg room (the space between the front and rear seats or the front and rear enclosures) can be increased without changing the arrangement of the carriage seats (the positions of the front and rear seats) to alleviate the discomfort of bending the legs when riding on a train for a long time.

[0056] Reference Figure 2 and Figure 3 The front end of the foot compartment 2 is provided with a sealing plate 10, which is used to seal the foot compartment 2 to prevent passengers from stretching their legs or feet too long and affecting the passengers in front. The upper end of the sealing plate 10 extends backward to surround the front of the body 1 so that the sealing plate 10 is inclined, such as Figure 5 As shown, the passenger extends his feet into the foot compartment 2, and the sealing plate 10 is arranged so that the sole of the foot fits into the sealing plate 10, and the sealing plate 10 supports the sole of the foot, further improving the comfort.

[0057] Reference Figure 7-Figure 12 The foot bin 2 includes a front side portion and a horizontal portion, the horizontal portion is horizontally arranged, and the front side portion is located in front of the horizontal portion. The front side portion is used to seal the front of the foot bin 2, so that the front of the foot bin 2 forms a closed state, which can prevent the rear passenger from extending his legs too long and affecting the front passenger. Among them, the sealing plate 10 is the front side portion of the foot bin 2 in this embodiment.

[0058] The horizontal portion is provided with a foot pedal 16, which is a U-shaped plate, that is, the corner of the end of the foot pedal 16 away from the sealing plate 10 is arc-shaped, and the curvature of the outer lower end of the foot pedal 16 is greater than the curvature of the inner lower end to adapt to the arc of the foot compartment 2, such as Fig.12 As shown, it is the forward direction of the train in this embodiment. Fig.12 For the state of two seats side by side, Fig.12 Taking the right seat in the middle as an example, the right side is provided with an outer portion, and the left side is provided with an inner portion. The bottom width of the rear enclosure body 1 is smaller than the middle width, so that the right edge of the lower end of the foot compartment 2 is narrow at the bottom and wide at the top. Fig.12One end of the footrest 16 is rotatably connected to the horizontal portion, and the horizontal portion is provided with a support member for supporting the footrest 16. The support member is located at one end of the footrest 16 close to the front side portion. The footrest 16 is tilted in the initial state, as shown in FIG. Figure 8 As shown, the passenger can directly place his feet on the footrest 16 to support the feet through the footrest 16 , and the support member is provided to support the footrest 16 .

[0059] Reference Figure 8 , Fig. 9 and Fig.12 The supporting member is a gas spring 18, the output end of the gas spring 18 is hinged to the footrest 16, and the base of the gas spring 18 is hinged to the horizontal part. When the gas spring 18 is in the initial state, the footrest 16 is in an inclined state. When the footrest 16 is in the initial state, the gas spring 18 makes the footrest 16 in an inclined state, and the gas spring 18 supports the footrest 16. When the passenger needs to drive the footrest 16 to rotate downward, the passenger steps on the footrest 16 downward to provide a driving force for the footrest 16 to rotate downward, which can drive the footrest 16 to rotate downward, thereby improving the convenience of driving the footrest 16 to rotate, and at the same time can meet the needs of different passengers and improve comfort and experience.

[0060] Reference Figure 9-12 The horizontal portion is connected to a mounting frame 19, which is U-shaped. Mounting ear plates 17 are provided on both sides of the pedal 16 away from the gas spring 18. Fig.10 As shown, the mounting ear plate 17 is rotatably connected to the mounting frame 19 , and the rotating shaft of the mounting ear plate 17 is horizontally arranged, so that the mounting ear plate 17 can be connected to the mounting frame 19 .

[0061] In a second aspect, an embodiment of the utility model provides a seat.

[0062] Reference Figure 4-Figure 6 A seat comprises a seat body 7 and a rear surround with an integrated functional design for high-speed trains, wherein the rear surround comprises a rear surround body 1, which is connected to the carriage. The connection relationship between the rear surround body 1 and the carriage is not specifically described in the embodiment of the utility model, and it is sufficient to meet the seat installation requirements in the train carriage. For example, the rear surround body 1 can rotate 180 degrees, so that when the train turns around and needs to change the direction of travel, the rear surround body 1 and the seat can rotate 180 degrees synchronously. The rear surround body 1 is adapted to the seat body 7, and the rear surround body 1 is used to surround the back and both sides of the seat body 7.

[0063] Reference Figure 4 and Figure 5The seat body 7 includes a seat back 8 and a seat cushion 9, and the seat cushion 9 is connected to the support platform 11 of the rear enclosure body 1, and the support platform 11 is located at the front side of the rear enclosure body 1, such as Figure 5 As shown, in actual situations, the seat cushion 9 and the support platform 11 are connected together by a corresponding mechanical mechanism. For the convenience of description and display, the description and display of the mechanical structure are omitted in this embodiment and the accompanying drawings, that is, the support platform 11 and the seat cushion 9 are not in direct contact in the figure. When a passenger wants to get up with the help of the rear enclosure body 1 in front, the rear enclosure body 1 is installed on the car body, the rear enclosure body 1 is not in contact with the seat back 8, and the rear enclosure body 1 is a rigid setting. When the rear passenger pulls the rear enclosure body 1, it will not affect the front passenger, that is, the rear enclosure body 1 will not shake, and the seat body 7 will not shake.

[0064] Reference Figure 4 and Figure 5 The bottom end of the chair back 8 is connected to the seat cushion 9. Figure 5 For example, the right end of the seat cushion 9 does not contact the rear enclosure body 1. When the seat cushion 9 of the seat back 8 moves forward, it can drive the seat back 8 to move forward synchronously, and the seat back 8 has an angle adjustment function. When the seat back 8 is in the initial state (when the angle is not adjusted, that is, when the seat back 8 is in a vertical state), there is a gap between the seat back 8 and the vertical part of the rear enclosure body 1, and the seat back 8 does not contact the rear enclosure body 1 in the vertical direction. If the passenger's feet shake in the foot compartment 2, the transmission of vibration can be reduced to a certain extent, reducing the impact on the front passenger.

[0065] Among them, after the angle of the chair back 8 is adjusted, the rear side of the chair back 8 will still not contact the rear surrounding body 1. The seat cushion 9 in this embodiment can slide forward through the mechanical structure. If the seat cushion 9 slides forward, the chair back 8 and the seat cushion 9 will move synchronously, and the chair back 8 will tilt backward 40°-45° to reach a semi-lying posture, such as Figure 6 As shown; due to the rigid setting of the rear surround body 1, when the rear passenger pulls the rear surround body 1, the rear surround body 1 will not shake, that is, it will not affect the front passenger.

[0066] The upper end of the seat back 8 is higher than the upper end of the rear enclosure body 1, so the rear passenger will not see the head of the front passenger, further improving privacy. Figure 5 shown.

[0067] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A rear enclosure with integrated functional design for high-speed trains, characterized in that: The invention comprises a rear enclosure body (1), a small table top (3) is arranged on the rear side of the rear enclosure body (1), the small table top (3) is rotatably connected to the rear enclosure body (1), a storage pocket (5) is arranged on the rear side of the rear enclosure body (1), the storage pocket (5) is located below the small table top (3), the rear enclosure body (1) is provided with a storage groove (6), and the storage groove (6) is located beside the storage pocket (5); when the small table top (3) is in the initial state, the small table top (3) and the rear enclosure body (1) are in the same plane.

2. The rear enclosure of a high-speed train with integrated functional design according to claim 1, characterized in that: The movable end of the small table top (3) is provided with a notch (4), and the corners of the small table top (3) are all chamfered or rounded.

3. The rear enclosure of a high-speed train with integrated functional design according to claim 1 or 2, characterized in that: The small table top (3) comprises a first plate body (12) and a second plate body (13), wherein the first plate body (12) is rotatably connected to the rear surrounding body (1), and the second plate body (13) is rotatably connected to the first plate body (12), and the rotation angle of the second plate body (13) is 0°-180°. A protrusion (14) is provided on the small table top (3), and a placement groove (15) for placing articles is provided on the small table top (3).

4. The rear enclosure of a high-speed train with integrated functional design according to claim 1, characterized in that: A foot compartment (2) is provided on the rear side of the rear enclosure body (1) and is located directly below the seat cushion (9). The edge corners of the foot compartment (2) are designed to be arc-shaped.

5. The rear enclosure of a high-speed train with integrated functional design according to claim 4, characterized in that: A sealing plate (10) is provided at the front end of the foot compartment (2), and the sealing plate (10) is used to seal the front end of the foot compartment (2).

6. The rear enclosure of a high-speed train with integrated functional design according to claim 5, characterized in that: The upper end of the sealing plate (10) extends rearwardly to surround the front of the main body (1), so that the sealing plate (10) is inclined.

7. The rear enclosure of a high-speed train with integrated functional design according to claim 5, characterized in that: The horizontal part of the foot bin (2) is provided with a foot pedal (16), one end of the foot pedal (16) is rotatably connected to the horizontal part of the foot bin (2), and the horizontal part of the foot bin (2) is provided with a support member for supporting the foot pedal (16); the horizontal part of the foot bin (2) is connected to a mounting frame (19), one end of the foot pedal (16) is provided with a mounting ear plate (17), and the mounting ear plate (17) is rotatably connected to the mounting frame (19).

8. The rear enclosure of a high-speed train with integrated functional design according to claim 7, characterized in that: The support member is a gas spring (18), the output end of the gas spring (18) is hinged to the end of the foot pedal (16), the base of the gas spring (18) is hinged to the horizontal part, and when the gas spring (18) is in an initial state, the foot pedal (16) is in an inclined state.

9. A seat, characterized in that: It includes a seat body (7) and also includes a rear surround with an integrated functional design for a high-speed train as described in any one of claims 1 to 8, wherein the rear surround includes a rear surround body (1), the rear surround body (1) is installed on the carriage, the rear surround body (1) is adapted to the seat body (7), and the rear surround body (1) is used to surround the rear side and both sides of the seat body (7).

10. A seat according to claim 9, characterized in that: The seat body (7) comprises a seat back (8) and a seat cushion (9); when the seat back (8) is in an initial state, there is a distance between the seat back (8) and the vertical portion of the rear enclosure body (1).

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