A flip seat for emergency escape in passenger cars

Abstract

The present invention relates to a flip seat for emergency escape of a bus, comprising a seat body (1), wherein the left and right sides of the bottom of the seat body (1) are respectively provided with chair legs (2) and a seat base (3), wherein the seat base (3) is located on the corresponding side of the bus emergency escape door, and the bus emergency escape door is provided with an escape door lock (4) at the corresponding position of the seat base (3), wherein the seat base (3) cooperates with the escape door lock (4). The flip seat for emergency escape of a bus of the present invention can cooperate with the emergency escape door, reasonably utilize the space inside the bus, meet the requirements of the passenger escape passage regulations, and improve the utilization rate of the seat space, so that the seat arrangement can achieve the best comfort state for passengers.

Description

Technical Field

[0001] The invention relates to a flip seat for emergency escape of a bus and belongs to the technical field of buses. Background Art

[0002] According to relevant national laws and regulations, city buses need to be equipped with emergency escape hatches. At this time, emergency escape doors need to be reserved on the side panels, and sufficient escape passage space needs to be left. Due to the reserved space for the passage, the seat layout in the car is limited. The traditional seat layout increases the distance between the front and rear seats to ensure the size of the passage, but the current flip seat adds difficulties to the designers in seat layout, and the space utilization rate in the car is not high. Therefore, a flip passenger seat needs to be designed. Summary of the invention

[0003] The technical problem to be solved by the present invention is to provide a flip seat for emergency escape of a bus in response to the above-mentioned prior art. The flip seat can cooperate with the emergency escape door to reasonably utilize the space inside the bus, which can not only meet the regulatory requirements of the passenger escape passage, but also improve the utilization rate of the seat space, so that the seat layout can achieve the best comfort state for the passengers.

[0004] The technical solution adopted by the present invention to solve the above-mentioned problem is: a flip seat for emergency escape of a bus, which includes a seat body, and the left and right sides of the bottom of the seat body are respectively provided with chair legs and a seat base, and the seat base is located on the corresponding side of the bus emergency escape door, and the bus emergency escape door is provided with an escape door lock at the corresponding position of the seat base, and the seat base cooperates with the escape door lock.

[0005] Preferably, a slot is provided on the seat base, and a plug plate is provided on the escape door lock, and the plug plate is inserted into the slot.

[0006] Preferably, the slots are arranged along the front-to-back direction.

[0007] Preferably, the bottom of the seat body is provided with two front and rear fixing grooves arranged in parallel, and the chair legs and the seat base are connected to the front and rear fixing grooves through connecting parts.

[0008] Preferably, a flipping device is provided under the chair leg, and the flipping device includes a mounting base and a flipping seat. Two left and right support plates are provided on the front side of the mounting base, and a rotating pin is installed between the left and right support plates. The flipping seat is hinged to the mounting base through the rotating pin, and the lower end of the chair leg is fixedly connected to the middle part of the flipping seat.

[0009] Preferably, two left and right torsion springs are arranged on the rotating pin.

[0010] Preferably, the support plate is provided with a plurality of latch holes, the plurality of latch holes are located on the same circumference, and a limiter is provided in the latch holes.

[0011] Preferably, the angle between two adjacent pin holes is 10°

[0012] Preferably, a lock mechanism is provided on the flipping device.

[0013] Preferably, the lock body mechanism includes a handle and a fixed seat, the handle is hinged to the lower part of the chair leg through a fixed pin, the fixed seat is arranged on the back of the flip seat, the fixed seat is located on the rear side of the handle, a guide shaft is arranged on the rear side of the fixed seat along the front-to-back direction, a connecting rod is arranged parallel to one side of the guide shaft, a slider is connected to the rear end of the connecting rod, the front end of the connecting rod is connected to the lower end of the handle through a rotating shaft, a reset spring is sleeved on the guide shaft, the reset spring is located between the fixed seat and the slider, a lock tongue is arranged at the bottom of the slider, a lock buckle hole is arranged on the rear side of the mounting base, and the lock tongue cooperates with the lock buckle hole.

[0014] Compared with the prior art, the advantages of the present invention are:

[0015] 1. The present invention can solve the problems of difficulty in arranging the emergency escape area of ​​traditional seats and low space utilization;

[0016] 2. The present invention can increase the size of the passage by flipping, thereby minimizing the risk of passengers tripping and effectively increasing the escape efficiency;

[0017] 3. Compared with the traditional flip seat, the present invention has a more reliable fixing method and higher stability;

[0018] 4. The present invention has the characteristics of low cost, simple process, convenient installation and wide application. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 The present invention is a structural schematic diagram of a flip seat for emergency escape in a passenger car.

[0020] Figure 2 The present invention is a schematic structural diagram of a flip seat at an emergency escape point of a passenger car from another perspective.

[0021] Figure 3 for Figure 1 Schematic diagram of the structure of the flip device.

[0022] Figure 4 for Figure 1 Schematic diagram of the installation position of the torsion spring and limiter.

[0023] Figure 5 for Figure 3 Schematic diagram of the structure of the middle lock body mechanism.

[0024] in:

[0025] Seat body 1

[0026] Chair Leg 2

[0027] Seat base 3

[0028] Slot 31

[0029] Escape door lock 4

[0030] Plug-in 41

[0031] Fixed slot 5

[0032] Flip device 6

[0033] Mounting Base 61

[0034] Flip seat 62

[0035] Support plate 63

[0036] Rotating pin 64

[0037] Torsion spring 65

[0038] Latch hole 66

[0039] Stopper 67

[0040] Lock plate 68

[0041] Lock hole 69

[0042] Lock body mechanism 7

[0043] Handle 71

[0044] Fixed seat 72

[0045] Fixing pin 73

[0046] Guide shaft 74

[0047] Connecting rod 75

[0048] Slider 76

[0049] Shaft 77

[0050] Return spring 78

[0051] Lock tongue 79. DETAILED DESCRIPTION

[0052] The present invention is further described in detail below with reference to the accompanying drawings.

[0053] like Figure 1 to Figure 5As shown, a flip seat for emergency escape of a bus in this embodiment comprises a seat body 1, wherein the left and right sides of the bottom of the seat body 1 are respectively provided with chair legs 2 and a seat base 3, wherein the seat base 3 is located on the corresponding side of the bus emergency escape door, and the bus emergency escape door is provided with an escape door lock 4 at the corresponding position of the seat base 3, and the seat base 3 cooperates with the escape door lock 4;

[0054] The seat base 3 is provided with a slot 31, and the escape door lock buckle 4 is provided with a plug plate 41, and the plug plate 41 is inserted into the slot 31;

[0055] The slots 31 are arranged along the front-to-back direction;

[0056] The bottom of the seat body 1 is provided with two parallel front and rear fixing grooves 5, and the chair legs 2 and the seat base 3 are connected to the front and rear fixing grooves 5 through connecting pieces;

[0057] A turning device 6 is provided below the chair leg 2;

[0058] The flip device 6 includes a mounting base 61 and a flip seat 62. The mounting base 61 is provided with two left and right support plates 63 on the front side. A rotating pin 64 is installed between the left and right support plates 63. The flip seat 62 is hinged to the mounting base 61 through the rotating pin 64. The lower end of the chair leg 2 is fixedly connected to the middle of the flip seat 62.

[0059] The rotating pin 62 is provided with two left and right torsion springs 65;

[0060] The support plate 63 is provided with a plurality of pin holes 66, the plurality of pin holes 66 are located on the same circumference, and a limiter 67 is provided in each of the pin holes 66;

[0061] The included angle between two adjacent latch holes 66 is 10°;

[0062] The back of the flip seat 62 is provided with a lock mechanism 7;

[0063] The lock body mechanism 7 includes a handle 71 and a fixing seat 72. The handle 71 is hinged to the lower part of the chair leg 2 through a fixing pin 73. The fixing seat 72 is arranged on the back of the flip seat 62. The fixing seat 72 is located at the rear side of the handle 71. A guide shaft 74 is arranged on the rear side of the fixing seat 72 along the front-to-back direction. A connecting rod 75 is arranged parallel to one side of the guide shaft 74. A slider 76 is connected to the rear end of the connecting rod 75. The front end of the connecting rod 75 is connected to the lower end of the handle 71 through a rotating shaft 77. A reset spring 78 is sleeved on the guide shaft 74. The reset spring 78 is located between the fixing seat 72 and the slider 76. A locking tongue 79 is arranged at the bottom of the slider 76. A locking plate 68 is arranged on the rear side of the mounting base 61. A locking hole 69 is opened on the locking plate 68, and the locking tongue 79 cooperates with the locking hole 69.

[0064] Working principle:

[0065] Under normal conditions, the flip seat is fixed to the floor by bolts, the lock tongue is locked in the lock plate, the escape door is locked, and the escape door lock is locked in the seat base; when an emergency occurs, the escape door opens, the escape door lock is separated from the seat base, the first level of safety is opened, and the seat automatically pops up and flips forward to the set position by pushing the handle, increasing the aisle size, minimizing the risk of passengers tripping, and effectively increasing escape efficiency.

[0066] The flip angle can be adjusted by a limiter to meet the needs of different working conditions. The chair legs are connected to the seat body by bolts and are suitable for different seats.

[0067] In addition to the above embodiments, the present invention also includes other implementation modes. Any technical solutions formed by equivalent transformation or equivalent replacement should fall within the protection scope of the claims of the present invention.

Claims

1. A flip seat for emergency escape in a passenger car, characterized in that: It comprises a seat body (1), wherein the left and right sides of the bottom of the seat body (1) are respectively provided with chair legs (2) and a seat base (3), wherein the seat base (3) is located on the corresponding side of the bus emergency escape door, and the bus emergency escape door is provided with an escape door lock buckle (4) at the corresponding position of the seat base (3), and the seat base (3) cooperates with the escape door lock buckle (4); The seat base (3) is provided with a slot (31), the escape door lock buckle (4) is provided with a plug plate (41), and the plug plate (41) is inserted into the slot (31); The slots (31) are arranged along the front-to-back direction; A flip device (6) is provided below the chair leg (2), the flip device (6) comprising a mounting base (61) and a flip seat (62), two left and right support plates (63) are provided on the front side of the mounting base (61), a rotating pin (64) is passed between the left and right support plates (63), the flip seat (62) and the mounting base (61) are hingedly connected via the rotating pin (64), and the lower end of the chair leg (2) is fixedly connected to the middle of the flip seat (62); The flipping device (6) is provided with a lock mechanism (7); The lock mechanism (7) comprises a handle (71) and a fixing seat (72), wherein the handle (71) is hingedly arranged at the lower part of the chair leg (2) via a fixing pin (73), and the fixing seat (72) is arranged at the back of the flip seat (62), and the fixing seat (72) is located at the rear side of the handle (71), and a guide shaft (74) is arranged at the rear side of the fixing seat (72) along the front-to-back direction, and a connecting rod (75) is arranged parallel to one side of the guiding shaft (74), and the rear end of the connecting rod (75) is A slider (76) is connected to the connecting rod (75). The front end of the connecting rod (75) is connected to the lower end of the handle (71) through a rotating shaft (77). A return spring (78) is sleeved on the guide shaft (74). The return spring (78) is located between the fixing seat (72) and the slider (76). A locking tongue (79) is provided at the bottom of the slider (76). A locking hole (69) is provided at the rear side of the mounting base (61). The locking tongue (79) matches the locking hole (69).

2. The passenger car emergency escape flip seat according to claim 1, characterized in that: The bottom of the seat body (1) is provided with two front and rear parallel fixed grooves (5), and the chair legs (2) and the seat base (3) are connected to the two front and rear fixed grooves (5) via connecting pieces.

3. The passenger car emergency escape flip seat according to claim 1, characterized in that: Two left and right torsion springs (65) are arranged on the rotating pin shaft (64).

4. The passenger car emergency escape flip seat according to claim 1, characterized in that: The support plate (63) is provided with a plurality of latch holes (66), the plurality of latch holes (66) are located on the same circumference, and a limiter (67) is provided in the latch hole (66).

5. The passenger car emergency escape flip seat according to claim 4, characterized in that: The included angle between two adjacent latch holes (66) is 10°.

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