CN220298481U - Sitting and sleeping dual-purpose sleeper - Google Patents

Abstract

The utility model discloses a sitting and lying dual-purpose sleeper, which comprises a backrest component and a cushion. The backrest assembly includes a backrest and a backrest bracket. The backrest bracket is fixedly arranged on the side wall of the sleeper carriage, and the backrest is fixedly arranged on the backrest bracket. The structure is characterized in that: the seat cushion adjusting device further comprises a seat cushion adjusting assembly and a box body. The box is the opening upwards, and the box is used for supporting the cushion, and the cushion is used as the upper cover of box simultaneously. The cushion adjustment assembly includes a slide rail. The two sliding rails are respectively fixedly arranged on the left side and the right side of the lower side of the cushion, and the two sliding rails are all arranged along the front and the back directions. The two sliding rails are fixedly arranged on the seat cushion through one sliding rail of each sliding rail, and the rear end of the other sliding rail is rotationally connected to the box body, so that the front part of the seat cushion can be turned upwards to be opened, and meanwhile, the seat cushion can be adjusted by moving the front and rear positions through the sliding rails.

Description

Sitting and sleeping dual-purpose sleeper

Technical Field

The utility model relates to the technical field of train seats, in particular to a sitting and lying dual-purpose sleeper for a train.

Background

The sleeper refers to a berth for passengers to sleep on, and is commonly used in long-distance transportation means, such as long-distance buses, trains, cruise ships and the like. The most common of the people is a train sleeper, and in the traditional train sleeper carriage, two layers or three layers of sleeper bodies are generally arranged on the side wall; at present, the sleeper that usually uses is mostly fixed knot structure, can not overturn also can not remove, under the condition that need not use the sleeper, upper berth and well shop are idle, and the lower berth is used as the seat and is used for the passenger, and at this moment, in order to guarantee the travelling comfort and the security of sleeping, the lower berth is widely set up, and the back can not lean on the lateral wall of fixed sleeper when the passenger takes on the lower berth, lacks the support, takes the travelling comfort relatively poor. The chinese patent document CN105730467B discloses a turndown berth for sleeper trains and a turndown mode thereof, when in use, the berth chair is a berth chair for sitting and sleeping, the berth can be converted into two states of a berth and a seat by a crewman according to the needs of passengers in a manual operation mode, the two states are realized through a limiting mechanism, when the berth chair is converted into the berth state from the seat state, the crewman lifts the berth on both hands and retreats, so that the rollers move backward along the track plate on the underframe, and simultaneously drive the two groups of connecting rods to swing anticlockwise, when the rollers move to the limit position of the berth state, the two groups of connecting rods also stop swinging, and the seat is converted into the sleeper state, and vice versa. The problem of riding comfort has effectively been solved to this structure, but its structure is comparatively complicated still, needs the crew to adjust, and the work load is great. Secondly, because the sleeper is wider, when placing luggage below, take inconvenient.

Disclosure of Invention

The utility model aims to provide a sitting and lying dual-purpose sleeper which is simple in structure and convenient for taking baggage.

The basic technical scheme for realizing the aim of the utility model is as follows: a sitting and lying dual-purpose sleeper comprises a backrest component and a cushion. The backrest assembly includes a backrest and a backrest bracket. The backrest bracket is fixedly arranged on the side wall of the sleeper carriage, and the backrest is fixedly arranged on the backrest bracket. The structure is characterized in that: the seat cushion adjusting device further comprises a seat cushion adjusting assembly and a box body. The box is the opening upwards, and the box is used for supporting the cushion, and the cushion is used as the upper cover of box simultaneously.

The cushion adjustment assembly includes a slide rail. The two sliding rails are respectively fixedly arranged on the left side and the right side of the lower side of the cushion, and the two sliding rails are all arranged along the front and the back directions. The two sliding rails are fixedly arranged on the seat cushion through respective sliding shells, the rear end of the sliding core is rotationally connected to the box body, so that the front part of the seat cushion can be turned upwards to be opened, and meanwhile, the seat cushion can be adjusted by moving the front and rear positions through the sliding rails.

Further, in order to keep the position of the seat cushion relatively stable, the riding comfort is: the cushion adjusting assembly further comprises a positioning bracket, a cushion positioning pin and an extension spring. The locating support is fixedly arranged on the box body. The locating support is equipped with 2 to 3 constant head tanks in proper order from the back to the front. The depth of one positioning groove positioned at the last position is smaller than the depth of each positioning groove positioned in front of the last positioning groove. The cushion locating pin is fixedly arranged on the lower side of the cushion and corresponds to the position of the locating bracket in the up-down direction. One end of the extension spring is fixedly connected to the box body, and the other end of the extension spring is fixedly connected to the lower side of the seat cushion.

Further, in order to be convenient for take article from box top opening: the cushion adjusting assembly further comprises a support rod and a support rod seat. The sliding cores of the sliding rails, which are rotationally connected on the box body, are also provided with 1 to 3 positioning holes, and the positioning holes are sequentially arranged from front to back. One end of the supporting rod is connected to the positioning support, the other end of the supporting rod is a free end, the free end is provided with a hook part, and the hook part is hooked into a corresponding positioning hole of the sliding core when in use. The support rod seat is fixedly arranged on the positioning bracket, and the support rod clamp is fixedly arranged on the positioning bracket.

Further, in order to facilitate taking the articles in the box body, an openable box door is arranged on the front side of the box body.

Further, in order to improve riding comfort: the backrest assembly also includes an armrest and an armrest adjustment assembly. The three backrests are provided, wherein two backrests positioned on the left side and the right side are fixed backrests, and the middle one is a folding backrest. The fixed backrests positioned at the left side and the right side are fixedly arranged on the backrest bracket. The middle folding backrest is rotatably arranged on the side wall of the sleeper carriage through the armrest adjusting component. The number of handrails is 4, and 4 handrails are rotatably arranged on the side wall of the sleeper carriage through the handrail adjusting assembly and are respectively positioned on two sides of the corresponding backrest.

Further, in order to maintain the state of the armrest and the folding backrest: the armrest adjusting assembly comprises an armrest support, a backrest mounting shaft, an armrest mounting shaft, a rotation limiting block, a horizontal positioning block, a positioning pin and a vertical fixing clamp.

The armrest support is fixedly arranged on the side wall of the sleeper carriage and positioned in the rear lower part of the backrest. The number of the handrail installation shafts is 4, the handrail installation shafts are hollow shafts, and the 4 handrail installation shafts are sequentially and rotatably arranged on the handrail support from left to right. The 4 armrests are respectively fixedly arranged on a corresponding armrest installation shaft. And each armrest installation shaft is coaxially and fixedly provided with a corresponding rotation limiting block. The rotation limiting block is provided with a limiting part protruding outwards along the radial direction. The backrest installation shafts are rotatably arranged in two handrail installation shafts positioned in the middle, two ends of the backrest installation shafts respectively penetrate through the handrail installation shafts outwards, and two ends of the backrest installation shafts are respectively and coaxially fixedly provided with a corresponding rotation limiting block. The middle folding backrest is fixed on the backrest mounting shaft. And a corresponding locating pin is fixedly arranged on each rotation limiting block at an interval of 80-90 degrees with the limiting part. The number of the horizontal positioning blocks is equal to the sum of the number of the rotation limiting blocks on the armrest mounting shaft and the number of the rotation limiting blocks on the backrest mounting shaft, and each horizontal positioning block is sequentially and fixedly arranged on the upper part of the front side of the armrest bracket from left to right and corresponds to the positions of the corresponding rotation limiting blocks respectively. The number of the vertical fixing clamps is equal to the sum of the number of the rotation limiting blocks on the armrest mounting shaft and the number of the rotation limiting blocks on the backrest mounting shaft. Each vertical fixing clamp is sequentially and fixedly arranged on the lower part of the front side of the armrest bracket from left to right and corresponds to the position of the locating pin of the corresponding rotation limiting block.

Further, in order to improve riding comfort: the fixed backrests on the left side and the right side are also provided with headrests which are fixedly arranged on the backrest brackets.

The utility model has the following beneficial effects: (1) The sitting and lying dual-purpose sleeper has a simple structure, and can be used for sitting and sleeping. The box is equipped with the chamber door before the box, and box upper portion is equipped with the opening, and the box is used for supporting the cushion, and the cushion is used as the upper cover of box simultaneously, and it is convenient to take the article in the box, can improve the utilization ratio of cushion below space.

(2) The seat cushion of the sitting and lying dual-purpose sleeper can be adjusted in front and back positions and angles, and the seat cushion is slightly inclined upwards, so that good support of legs is facilitated, and riding comfort is improved. The cushion can be pulled out forwards for two gears, and can be correspondingly selected according to the body shape of a user, so that the requirements of different passengers are met. One end of the extension spring is fixedly connected to the box body, and the other end of the extension spring is fixedly connected to the lower side of the seat cushion, so that the seat cushion is stable and is prevented from sliding out of the positioning groove.

(3) The cushion adjusting component of the sitting and lying dual-purpose sleeper is provided with the supporting rods, so that the cushion can be kept in a turned-over and opened state, and the opening and closing angles of the cushion are adjusted according to different inserted positioning holes, so that articles in the box body can be conveniently taken out.

(4) The sitting and lying dual-purpose sleeper is also provided with the armrests and the folding backrest, so that the sitting comfort is improved, and the folding backrest can be used as a small table board, a water cup is arranged and a meal is taken.

Drawings

Fig. 1 is a schematic view of the sitting and lying sleeping berth of the present utility model in a sitting state.

Fig. 2 is a schematic rear view of fig. 1.

Fig. 3 is a left-hand schematic view of fig. 1.

Fig. 4 is a schematic view as seen from the upper right front of fig. 1.

Fig. 5 is a schematic view as seen from the lower left rear of fig. 1.

Fig. 6 is a schematic view of the armrest and the middle backrest when they are laid flat as viewed from the upper left front of fig. 1.

Fig. 7 is a schematic view of the armrest and the middle backrest thereof when viewed from the lower right side of fig. 1.

Fig. 8 is a schematic view of the cushion of the sleeping berth for sitting and sleeping according to the present utility model when pulled out.

Fig. 9 is a schematic view of the sitting and sleeping berth cushion of the present utility model in an upturned open position.

Fig. 10 is a schematic view of the seat cushion of the sitting and lying dual-purpose sleeper in an upturned open position as viewed from the upper left front of fig. 1.

Fig. 11 is a schematic view of the seat cushion of the sitting and lying dual-purpose sleeper in a flipped-up open state as viewed from the right lower rear of fig. 1.

Fig. 12 is a schematic view of the pivotal connection of the backrest assembly as viewed from the upper left front of fig. 1.

Fig. 13 is a schematic view of the pivotal connection of the backrest assembly as viewed from the lower right rear of fig. 1.

Fig. 14 is a schematic view of the armrest support as viewed from the lower left rear of fig. 1.

Fig. 15 is a schematic view of the armrest support frame as viewed from the upper left front of fig. 1.

Fig. 16 is a schematic view of the seat cushion as seen from the lower right front of fig. 1.

Fig. 17 is a schematic view of the support assembly of the seat cushion as seen from the upper right front of fig. 1.

Fig. 18 is an enlarged schematic view of a portion a in fig. 9.

The reference numerals in the drawings are:

a backrest component 1, a backrest 1-1, a cup holder hole 1-11, a backrest bracket 1-2, an armrest 1-3,

the armrest adjusting assembly 1-4, the armrest support 1-41, the backrest mounting shaft 1-42, the armrest mounting shaft 1-43, the rotation limiting block 1-44, the limiting part 1-441, the horizontal positioning block 1-45, the positioning pin 1-46, the vertical fixing clip 1-47,

the head rest 1-5 is provided with a seat,

the cushion 2 is provided with a seat cushion,

the seat cushion adjusting component 3, the slide rail 3-1, the positioning hole 3-11, the positioning bracket 3-2, the positioning groove 3-21, the seat cushion positioning pin 3-3, the extension spring 3-4, the support rod 3-5, the support rod seat 3-6, the ring seat 3-7, the torsion spring 3-8,

the box body 4 and the box door 4-1.

Detailed Description

In order that the utility model may be more readily understood, a more particular description of the utility model will be rendered by reference to specific embodiments that are illustrated in the appended drawings. The description of the azimuth of the present utility model is performed according to the azimuth shown in fig. 1, that is, the up-down-left-right direction shown in fig. 1 is the up-down-left-right direction of the description, the direction facing in fig. 1 is the front, and the direction facing away from fig. 1 is the rear.

It should be noted that: in the description of the present utility model, the terms "first," "second," and the like are used merely to distinguish between descriptions and are not to be construed as indicating or implying relative importance. The terms "upper", "lower", "inner", "outer", and the like indicate an orientation or positional relationship based on the positional relationship described in the drawings, and are merely for convenience of description of the present utility model or to simplify description, not to indicate a specific orientation that must be possessed.

Example 1

Referring to fig. 1 to 18, the sitting and sleeping dual-purpose sleeper of the present utility model includes a backrest assembly 1, a seat cushion 2, a seat cushion adjusting assembly 3 and a case 4. The box body 4 is opened upwards, and the front side of the box body 4 is provided with an openable box door 4-1. The cushion 2 is rotatably arranged on the box 4 through the cushion adjusting component 3. The case 4 is used for supporting the seat cushion 2 while the seat cushion 2 serves as an upper cover of the case 4.

Referring to fig. 1 to 15, the backrest assembly 1 includes a backrest 1-1, a backrest bracket 1-2, armrests 1-3, and an armrest adjustment assembly 1-4. The three backrests 1-1 are arranged, wherein two backrests 1-1 positioned on the left side and the right side are fixed backrests, and the middle one is a folding backrest. The backrest bracket 1-2 is fixedly arranged on the side wall of the sleeper carriage, and the fixed backrests positioned on the left side and the right side are fixedly arranged on the backrest bracket 1-2. The fixed backrests on the left side and the right side are also provided with headrest 1-5, and the headrest 1-5 is fixedly arranged on the backrest bracket 1-2. The middle folding backrest is rotatably arranged on the side wall of the sleeper compartment through the armrest adjusting assembly 1-4, the cup holder holes 1-11 are formed in the rear side of the folding backrest, the folding backrest can be used as a small table plate after being horizontally laid down, and the cup holder holes 1-11 are used for placing and fixing water cups. The number of handrails 1-3 is 4, and 4 handrails 1-3 are rotatably arranged on the side wall of the sleeper compartment through the handrail adjusting component 1-4 and are respectively positioned on two sides of the corresponding backrest 1-1.

The armrest adjusting assembly 1-4 comprises an armrest bracket 1-41, a backrest mounting shaft 1-42, an armrest mounting shaft 1-43, a rotation limiting block 1-44, a horizontal positioning block 1-45, a positioning pin 1-46 and a vertical fixing clamp 1-47.

The armrest support 1-41 is fixedly arranged on the side wall of the sleeper compartment and is positioned in the rear lower part of the backrest 1-1. The number of the handrail installation shafts 1-43 is 4, the handrail installation shafts 1-43 are hollow shafts, and the 4 handrail installation shafts 1-43 are arranged on the handrail support 1-41 in a rotary mode from left to right. The 4 armrests 1-3 are fixedly provided on the corresponding one of the armrest mounting shafts 1-43, respectively, so that the armrests 1-3 are rotatably provided on the side walls of the sleeper compartment. The armrest mounting shafts 1-43 are respectively and coaxially provided with a corresponding rotation limiting block 1-44. The rotation limiting blocks 1-44 are provided with limiting parts 1-441 protruding outwards along the radial direction. The backrest mounting shafts 1-42 are rotatably arranged in two handrail mounting shafts 1-43 positioned in the middle, two ends of the backrest mounting shafts 1-42 respectively penetrate through the handrail mounting shafts 1-43 outwards, and two ends of the backrest mounting shafts 1-42 are respectively and coaxially fixedly provided with a corresponding rotation limiting block 1-44. The centrally located folding back is secured to the back mounting shaft 1-42. The corresponding locating pin 1-46 is fixedly arranged on each rotation limiting block 1-44 at an interval of 80-90 degrees with the limiting part 1-441, and the interval is 90 degrees in the embodiment. The number of the horizontal positioning blocks 1-45 is equal to the sum of the number of the rotation limiting blocks 1-44 on the armrest mounting shafts 1-43 and the number of the rotation limiting blocks 1-44 on the backrest mounting shafts 1-42, 6 horizontal positioning blocks 1-45 are fixedly arranged on the upper front side of the armrest support 1-41 from left to right in sequence, and correspond to the positions of the corresponding rotation limiting blocks 1-44 respectively, namely, are mutually matched for use, when the armrest 1-3 or the folding backrest is in a downward basically flat state, the limiting parts 1-441 on the rotation limiting blocks 1-44 are propped against the horizontal positioning blocks 1-45 from the rear direction, so that the armrest 1-3 or the folding backrest cannot continuously rotate downwards by the horizontal positioning blocks 1-45, and therefore the armrest 1-3 or the folding backrest can be kept in the state. The number of vertical fixing clips 1 to 47 is equal to the sum of the number of rotational stoppers 1 to 44 on the armrest mounting shaft 1 to 43 and the number of rotational stoppers 1 to 44 on the backrest mounting shaft 1 to 42, and 6 in this embodiment. The 6 vertical fixing clips 1-47 are fixedly arranged on the lower part of the front side of the armrest support 1-41 from left to right in sequence, and respectively correspond to the positions of the locating pins 1-46 of the corresponding rotating limiting blocks 1-44, namely are mutually matched for use, when the armrest 1-3 or the folding backrest is in an upward standing state, the locating pins 1-46 on the rotating limiting blocks 1-44 are extruded into the corresponding vertical fixing clips 1-4, so that the armrest 1-3 or the folding backrest is clamped and fixed by the vertical fixing clips 1-47, and the armrest 1-3 or the folding backrest is kept in the vertical state.

Referring to fig. 1 to 11 and 16 to 18, the cushion adjustment assembly 3 includes a slide rail 3-1, a positioning bracket 3-2, a cushion positioning pin 3-3, a tension spring 3-4, a support rod 3-5, and a support rod seat 3-6.

The two sliding rails 3-1 are fixedly arranged on the left side and the right side of the lower side of the seat cushion 2 respectively, and the two sliding rails 3-1 are arranged along the front and the rear directions. The sliding rail 3-1 consists of a sliding shell and a sliding core, and the sliding shell is in sliding fit with the sliding core. The two slide rails 3-1 are fixedly arranged on the seat cushion 2 through respective slide shells, and the rear end of the slide core is rotationally connected to the box body 4, so that the front part of the seat cushion 2 can be turned upwards to be opened, and meanwhile, the seat cushion 2 can also realize the movement adjustment of the front and rear positions through the slide rails 3-1. The slide core of each slide rail 3-1, which is rotatably connected to the box body 4, is further provided with 1 to 3 positioning holes 3-11, and each positioning hole 3-11 is sequentially arranged from front to back, in this embodiment, 3 positioning holes 3-11. The two positioning brackets 3-2 are respectively fixedly arranged on the left side and the right side of the upper side of the box body 4. The positioning bracket 3-2 is sequentially provided with 2 to 3 positioning grooves 3-21 from back to front, and the number of the positioning grooves is 3 in the embodiment. The depth of the positioning groove 3-21 located at the rear side is smaller than the depth of the two positioning grooves 3-21 located at the front side thereof. The number of cushion positioning pins 3-3 is the same as the number of positioning brackets 3-2, which is 2 in this embodiment. The 2 cushion locating pins 3-3 are respectively fixedly arranged on the left side and the right side of the lower side of the cushion 2, and correspond to the positions of the two locating brackets 3-2 in the up-down direction, and the 2 cushion locating pins 3-3 are respectively arranged along the left-right direction, so that the cushion locating pins 3-3 slide into corresponding locating grooves 3-21 of the locating brackets 3-2 from top to bottom. When the cushion positioning pin 3-3 is positioned in the positioning groove 3-21 at the rear side, the cushion 2 is arranged in a front high and rear low inclined mode, so that passengers can sit well and feel comfortable conveniently. When the cushion locating pins 3-3 are positioned in the two locating grooves 3-21 on the front side, the cushion 2 is horizontally arranged, so that passengers can lie well when sleeping. It is further preferred that the upper part of the positioning slot 3-21 at the front side is provided with a vertical section, so that the seat cushion 2 can be prevented from being pulled further forward when adjusted. When the cushion positioning pin 3-3 needs to be adjusted from the positioning groove 3-21 positioned at the forefront to the corresponding positioning groove 3-21 at the rear, the cushion 2 is pulled forward and upward along the positioning groove 3-21, when the cushion positioning pin 3-3 moves to the vertical section of the positioning groove 3-21 positioned at the front side, the cushion positioning pin 3-3 starts to move upward, and after the cushion positioning pin 3-3 is separated from the positioning groove 3-21 positioned at the front side, the cushion 2 can be pushed backward, and the cushion positioning pin 3-3 is clamped into the corresponding positioning groove 3-21 when the position to be adjusted is blocked.

One or two extension springs 3-4 are arranged, in the embodiment, the two extension springs 3-4 are respectively arranged at the left side and the right side of the box body 4, one end of each extension spring 3-4 is fixedly connected to the box body 4, the other end of each extension spring is fixedly connected to the lower side of the cushion 2, and the front part of the cushion 2 is pressed down on the box body 4 by the tensile force of each extension spring 3-4. Further, in order to facilitate opening, the extension of the extension spring 3-4 is achieved, the spring wire diameter of the extension spring 3-4 is reduced, two torsion springs 3-8 are further arranged, and the two torsion springs 3-8 are fixedly arranged on the left side and the right side of the rear portion of the box body 4 respectively. One end of the torsion spring 3-8 is fixed on the box 4, the other end is pressed on the upper side of the rear end of the sliding core of the corresponding sliding rail 3-1, and the torsion force of the torsion spring 3-8 is increased.

One or two support rods 3-5 are arranged, in the embodiment, two support rods 3-5 are respectively arranged on the left side and the right side of the box body 4, one end of each support rod 3-5 is connected to the corresponding positioning support 3-2, and the other end of each support rod is a free end. Specifically, one end of the supporting rod 3-5 is provided with a circular ring part, the circular ring part is sleeved on the corresponding ring seat 3-7 on the positioning bracket 3-2, the free end of the other end is provided with a hook part, and the hook part is hooked into the corresponding positioning hole 3-11 of the sliding core when in use, so that the cushion 2 is kept in a turnover open state, and the opening and closing angle of the cushion 2 is adjusted according to the different inserted positioning holes 3-11.

The number of the support rod seats 3-6 is the same as that of the support rods 3-5, in this embodiment, two support rod seats 3-6 are respectively arranged on a corresponding positioning support 3-2 and used for clamping and fixing the support rods 3-5, and when the support rods 3-5 do not need to be laid flat, the support rods 3-5 are clamped and fixed on the positioning support 3-2.

The sitting and lying dual-purpose sleeper of the utility model is used when: 1. when a user needs to sit, the seat cushion locating pin 3-3 on the seat cushion 2 slides into the bottom of one locating groove 3-21 positioned at the rearmost part of the locating bracket 3-2, so that the seat cushion locating pin is clamped and fixed on the locating bracket 3-2, at the moment, the rear part of the seat cushion 2 is positioned below the backrest 1-1, the seat cushion 2 is slightly inclined (see figure 3) and is arranged in a front-high and rear-low mode, and the front part can well support legs, so that the comfort of sitting is improved. Further, in order to improve riding comfort, the handrail 1-3 can be turned forward and downward, and the positioning pin 1-46 on the rotation limiting block 1-44 on the handrail mounting shaft 1-43 is extruded from the rear of the corresponding vertical fixing clamp 1-47 during turning, so that the handrail is separated from the vertical fixing clamp 1-47, and when the limiting part 1-441 on the rotation limiting block 1-44 is turned forward to be in contact with the corresponding horizontal positioning block 1-45 in front, the handrail 1-3 is limited and fixed by the horizontal positioning block 1-45, and at the moment, the handrail 1-3 is basically in a horizontal state and cannot continue to rotate downwards. Further, in order to place a cup or meal, the middle folding backrest can be turned over downwards and forwards, the positioning pins 1-46 on the rotating limiting blocks 1-44 on the backrest mounting shafts 1-42 are extruded out from the rear parts of the corresponding vertical fixing clamps 1-47 during turning over, so that the vertical fixing clamps 1-47 are separated, when the limiting parts 1-441 on the rotating limiting blocks 1-44 are turned forwards to be in contact with the corresponding horizontal positioning blocks 1-45 in front, the limiting parts are limited and fixed by the horizontal positioning blocks 1-45, and at the moment, the rear side of the folding backrest is turned over to be in a basically horizontal state, and the folding backrest cannot be rotated downwards continuously. The back of the folding back is now used as a small table.

2. When the sleeper is required to be used for sleeping, the armrest 1-3 and the folding backrest in the horizontal state are turned upwards and folded, and the armrest 1-3 and the folding backrest are kept in the vertical state by clamping the fixing locating pins 1-46 through the vertical fixing clamps 1-47.

Then the front part of the cushion 2 is lifted upwards, the cushion locating pin 3-3 slides out of one locating groove 3-21 positioned at the rearmost part of the locating bracket 3-2 and is separated from the locating bracket 3-2, then the cushion 2 is pulled forwards to one of the two locating grooves positioned at the front (selected according to personal needs), the cushion locating pin 3-3 slides into the bottom of the locating groove 3-21 so as to be clamped and fixed on the locating bracket 3-2, and at the moment, the rear part of the cushion 2 moves forwards from the lower part of the backrest 1-1 to be separated from the backrest 1-1 (see figure 8), so that the width of the cushion 2 during sleeping is ensured, and at the moment, the cushion 2 is basically in a horizontal state.

3. When the articles stored in the box body 4 need to be taken, the articles close to the box door 4-1 can be taken by opening the box door 4-1 directly. When the far objects on one side of the box wall are needed to be taken, the front part of the cushion 2 can be lifted upwards, and the hook parts of the support rods 3-5 are hooked into the corresponding positioning holes 3-11 of the sliding core according to the opening and closing angles required after the lifting, so that the cushion 2 is kept in a turnover opening state, and the objects in the cushion can be taken conveniently.

While the foregoing is directed to embodiments of the present utility model, other and further details of the utility model may be had by the present utility model, it should be understood that the foregoing description is merely illustrative of the present utility model and that no limitations are intended to the scope of the utility model, except insofar as modifications, equivalents, improvements or modifications are within the spirit and principles of the utility model.

Claims (7)

1. A sitting and lying dual-purpose sleeper comprises a backrest component (1) and a cushion (2); the backrest assembly (1) comprises a backrest (1-1) and a backrest bracket (1-2); the backrest bracket (1-2) is fixedly arranged on the side wall of the sleeper carriage, and the backrest (1-1) is fixedly arranged on the backrest bracket (1-2); the method is characterized in that: the seat cushion adjusting device also comprises a seat cushion adjusting component (3) and a box body (4); the box body (4) is provided with an upward opening, the box body (4) is used for supporting the seat cushion (2), and the seat cushion (2) is used as an upper cover of the box body (4);

the cushion adjusting component (3) comprises a sliding rail (3-1); the two sliding rails (3-1) are respectively fixedly arranged on the left side and the right side of the lower side of the seat cushion (2), and the two sliding rails (3-1) are arranged along the front and the rear directions; the two sliding rails (3-1) are fixedly arranged on the seat cushion (2) through respective sliding shells, the rear end of the sliding core is rotationally connected to the box body (4), so that the front part of the seat cushion (2) can be turned upwards to be opened, and meanwhile, the seat cushion (2) can also realize the movement adjustment of the front and rear positions through the sliding rails (3-1).

2. The sitting and sleeping berth of claim 1, wherein: the cushion adjusting assembly (3) further comprises a positioning bracket (3-2), a cushion positioning pin (3-3) and a tension spring (3-4); the positioning bracket (3-2) is fixedly arranged on the box body (4); the positioning bracket (3-2) is sequentially provided with 2 to 3 positioning grooves (3-21) from back to front; the depth of one positioning groove (3-21) positioned at the last position is smaller than the depth of each positioning groove (3-21) positioned in front of the positioning groove; the cushion positioning pin (3-3) is fixedly arranged on the lower side of the cushion (2) and corresponds to the positioning bracket (3-2) in the upper and lower directions; one end of the extension spring (3-4) is fixedly connected to the box body (4), and the other end is fixedly connected to the lower side of the cushion (2).

3. The sitting and sleeping berth of claim 1, wherein: the cushion adjusting component (3) also comprises a supporting rod (3-5) and a supporting rod seat (3-6); the sliding cores of the sliding rails (3-1) which are rotationally connected to the box body (4) are also provided with 1 to 3 positioning holes (3-11), and the positioning holes (3-11) are sequentially arranged from front to back; one end of the supporting rod (3-5) is connected to the positioning bracket (3-2), the other end is a free end, the free end is provided with a hook part, and the hook part is hooked into a corresponding positioning hole (3-11) of the sliding core when in use; the support rod seat (3-6) is fixedly arranged on the positioning support (3-2), and the support rod (3-5) is clamped and fixed on the positioning support (3-2).

4. A sitting and sleeping berth as claimed in any one of claims 1 to 3, wherein: the front side of the box body (4) is provided with an openable box door (4-1).

5. A sitting and sleeping berth as claimed in any one of claims 1 to 3, wherein: the backrest component (1) also comprises armrests (1-3) and an armrests adjusting component (1-4); the three backrest (1-1) are arranged, wherein two backrest (1-1) positioned at the left side and the right side are fixed backrest, and the middle backrest is a folding backrest; the fixed backrests positioned at the left side and the right side are fixedly arranged on the backrest bracket (1-2); the middle folding backrest is rotatably arranged on the side wall of the sleeper carriage through the armrest adjusting component (1-4); the number of handrails (1-3) is 4, and the 4 handrails (1-3) are rotatably arranged on the side wall of the sleeper compartment through the handrail adjusting component (1-4) and are respectively positioned on two sides of the corresponding backrest (1-1).

6. The sitting and sleeping berth of claim 5, wherein: the armrest adjusting assembly (1-4) comprises an armrest bracket (1-41), a backrest mounting shaft (1-42), an armrest mounting shaft (1-43), a rotation limiting block (1-44), a horizontal positioning block (1-45), a positioning pin (1-46) and a vertical fixing clamp (1-47);

the armrest bracket (1-41) is fixedly arranged on the side wall of the sleeper compartment and is positioned in the lower part of the rear part of the backrest (1-1); the number of the handrail mounting shafts (1-43) is 4, the handrail mounting shafts (1-43) are hollow shafts, and the 4 handrail mounting shafts (1-43) are sequentially arranged on the handrail brackets (1-41) in a rotating manner from left to right; the 4 armrests (1-3) are respectively fixedly arranged on a corresponding one of the armrest mounting shafts (1-43); each armrest mounting shaft (1-43) is coaxially and fixedly provided with a corresponding rotation limiting block (1-44); the rotating limiting blocks (1-44) are provided with limiting parts (1-441) protruding outwards along the radial direction of the rotating limiting blocks; the backrest mounting shafts (1-42) are rotatably arranged in two handrail mounting shafts (1-43) positioned in the middle, two ends of each backrest mounting shaft (1-42) respectively penetrate through the handrail mounting shafts (1-43) outwards, and two ends of each backrest mounting shaft (1-42) are respectively and coaxially fixedly provided with a corresponding rotation limiting block (1-44); the middle folding backrest is fixed on the backrest mounting shaft (1-42); a corresponding locating pin (1-46) is fixedly arranged on each rotation limiting block (1-44) at an interval of 80-90 degrees with the limiting part (1-441); the number of the horizontal positioning blocks (1-45) is equal to the sum of the number of the rotation limiting blocks (1-44) on the armrest mounting shafts (1-43) and the number of the rotation limiting blocks (1-44) on the backrest mounting shafts (1-42), and each horizontal positioning block (1-45) is fixedly arranged on the upper part of the front side of the armrest bracket (1-41) from left to right in sequence and corresponds to the position of the corresponding rotation limiting block (1-44) respectively; the number of the vertical fixing clamps (1-47) is equal to the sum of the number of the rotation limiting blocks (1-44) on the armrest mounting shafts (1-43) and the number of the rotation limiting blocks (1-44) on the backrest mounting shafts (1-42); each vertical fixing clip (1-47) is fixedly arranged on the front lower part of the armrest bracket (1-41) from left to right in sequence and corresponds to the position of the locating pin (1-46) of the corresponding rotation limiting block (1-44) respectively.

7. The sitting and sleeping berth of claim 5, wherein: the fixed backrests positioned at the left side and the right side are also provided with headrests (1-5), and the headrests (1-5) are fixedly arranged on the backrest brackets (1-2).