CN111873862A

CN111873862A - Novel backrest and seat frame linkage type seat

Info

Publication number: CN111873862A
Application number: CN202010771939.3A
Authority: CN
Inventors: 韩鹏
Original assignee: Qingdao Meilleur Railway Co ltd
Current assignee: Qingdao Meilleur Railway Co ltd
Priority date: 2020-08-04
Filing date: 2020-08-04
Publication date: 2020-11-03

Abstract

The invention relates to the technical field of seats, in particular to a novel seat with a linkage type backrest and a seat frame. Through setting up back and cushion into link gear, can also realize the back-and-forth movement of seat frame when realizing that the back lies on the back for passenger's position of sitting adjustment range grow, passenger's health is extended, and waist and buttock atress are decomposed, effectively relieve the fatigue of person of taking, and the travelling comfort is better. Through set up rotary mechanism between mount and swivel mount, can realize 180 rotations to the seat, can adjust the seat direction according to vehicle traffic direction, can effectively avoid the passenger to appear uncomfortable circumstances such as carsickness. The built-in tea table is arranged between the armrest frame and the backrest shield, so that the chair is convenient to use and operate, does not occupy external space, has good overall appearance attractiveness, solves the problems of damage and inclination of a tabletop of the tea table in the prior art after long-time use, and has long service life.

Description

Novel backrest and seat frame linkage type seat

Technical Field

The invention relates to the technical field of seats, in particular to a novel backrest and seat frame linkage type seat suitable for airplanes, steamships, motor train units, trains, subways, urban rail vehicles and long-distance buses.

Background

At present, along with the improvement of living standard of people, the requirement of people on the comfort of common passenger seats is predicted more and more, especially in the aspect of long-distance passenger transport, the relative distance between two rows of seats of the seats used on the existing long-distance passenger transport vehicle is fixed, and usually, the back can only be adjusted forwards and backwards, the space for adjusting the sitting posture of the passenger who takes the seat for a long time is very limited, the passenger can suffer from fatigue due to long-time taking, the long-time stress of the hip and the lumbar vertebra is difficult, the thigh is pressed, the blood flow is not smooth, the problems of swelling of shanks and feet and the like are caused, and the requirement of the passenger on the comfort can.

Disclosure of Invention

The invention aims to provide a novel backrest and seat frame linkage type seat, which aims to solve the problems in the prior art in the background technology.

In order to solve the technical problems, the technical scheme provided by the invention is as follows: the utility model provides a novel backrest and seat frame linkage type seat, which comprises a fixed frame, a rotating frame, a seat frame, a backrest frame, an air spring and a handrail frame; the fixed frame is arranged at the bottom end of the rotating frame, and the rotating frame is rotatably connected with the fixed frame; the seat frame sets up on the swivel mount and with swivel mount sliding connection, the back frame is articulated with the seat frame, air spring one end articulates in back frame bottom, and the other end is fixed to be set up on the swivel mount, the back frame outside is provided with the back guard shield, the handrail frame is fixed to be set up on the swivel mount and the cover is established in the back guard shield outside, back frame and handrail frame sliding connection.

On the basis of the technical scheme, a rotating mechanism is arranged between the fixed frame and the rotating frame and comprises an upper rotating plate, a lower rotating plate, a rotating pedal, a positioning ball and a braking plate, wherein the upper rotating plate is fixedly connected with the rotating frame, the lower rotating plate is fixedly connected with the fixed frame, and a ball is arranged between the upper rotating plate and the lower rotating plate; the rotary pedal is hinged to one side of the fixing frame, the positioning ball is fixedly arranged at one end of the rotary pedal, the brake plate is fixedly arranged at the bottom end of the rotary frame and forms a positioning groove, and the positioning ball is arranged in the positioning groove.

On the basis of the technical scheme, sliding rails are symmetrically arranged at the top end of the rotating frame, positioning shafts are symmetrically arranged on the inner side wall of the seat frame, rolling wheels are sleeved on the outer sides of the positioning shafts, and the rolling wheels are connected with the sliding rails in a sliding mode.

On the basis of the technical scheme, sliding shafts are symmetrically arranged on the side wall of the backrest frame, sliding grooves are symmetrically arranged on the inner side wall of the armrest frame, the sliding grooves are obliquely arranged, and the sliding shafts are connected with the sliding grooves in a sliding mode.

On the basis of the technical scheme, arc-shaped rails are symmetrically arranged on two sides of the top end of the fixing frame, sliding blocks are fixedly arranged on two sides of the bottom end of the rotating frame, and the sliding blocks are connected with the arc-shaped rails in a sliding mode.

On the basis of the technical scheme, the bottom end of the seat frame is fixedly provided with balance tension springs which are symmetrically arranged on two sides of the air spring.

On the basis of the technical scheme, the tea table is arranged between the armrest frame and the backrest protective cover and comprises a table board, a sliding rod and a slideway; the top end of the table plate is provided with a handle, the bottom end of the table plate is rotatably connected with the sliding rod through a rotating shaft, and a rotating sleeve is sleeved on the outer side of the rotating shaft; the slide symmetry is seted up on handrail frame inside wall, slide bar and slide sliding connection, the slide bar both ends are provided with the stopper.

On the basis of the technical scheme, the foldable book and newspaper box is arranged on one side, far away from the backrest frame, of the backrest shield, the bottom end of the foldable book and newspaper box is hinged with the backrest shield, and an elastic telescopic piece is arranged between the inner side wall of the foldable book and newspaper box and the backrest shield.

On the basis of the technical scheme, the armrest frame is provided with a USB power interface and a computer power socket.

On the basis of the technical scheme, the seat frame is fixedly provided with an electric heating wire.

The technical scheme provided by the invention has the beneficial effects that:

1. according to the invention, the backrest and the cushion are set to be the linkage mechanism, so that the back can lie on the back and the seat frame can move back and forth, the sitting posture adjustment range of a passenger is increased, the body of the passenger is stretched, the waist and the hip are stressed and decomposed, the fatigue feeling of the passenger is effectively relieved, and the comfort is better.

2. Through setting up rotary mechanism, can realize 180 rotations to the seat, can adjust the seat direction according to vehicle traffic direction, can effectively avoid the passenger to appear uncomfortable circumstances such as carsickness.

3. The built-in tea table is arranged between the armrest frame and the backrest shield, so that the chair is convenient to use and operate, does not occupy external space, has good overall appearance attractiveness, solves the problems of damage and inclination of a tabletop of the tea table in the prior art after long-time use, and has long service life.

4. Through being provided with elasticity books and newspapers box at back guard shield back, the modern design, aesthetic property is good, has avoided the book and newspapers net of common use to appear the knot slack when using for a long time, the scheduling problem of not uniform size.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a perspective view of another angle of the present invention;

FIG. 3 is an exploded view of the present invention;

FIG. 4 is an exploded view from another angle of the present invention;

FIG. 5 is a schematic view of the construction of the rotating disk of the present invention;

FIG. 6 is an exploded view of the rotating disk of the present invention;

FIG. 7 is a schematic view of the structure of the tea table of the present invention;

FIG. 8 is an exploded view of the tea table of the present invention;

Detailed Description

The invention is further illustrated by the following examples in conjunction with the accompanying drawings:

in the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

In the description of the present invention, it is to be understood that the terms "left", "right", "front", "back", "top", "bottom", etc. indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.

Example one

As shown in fig. 1 to 6, a novel backrest and seat frame linkage type seat comprises a fixed frame 1, a rotating frame 2, a seat frame 3, a backrest frame 4, a gas spring 5 and a handrail frame 6; the fixed frame 1 is arranged at the bottom end of the rotating frame 2, and the rotating frame 2 is rotationally connected with the fixed frame 1; the seat frame 3 is arranged on the rotating frame 2 and is in sliding connection with the rotating frame 2, the backrest frame 4 is hinged with the seat frame 3, one end of the air spring 5 is hinged at the bottom end of the backrest frame 4, the other end of the air spring is fixedly arranged on the rotating frame 2, the backrest shield 7 is arranged on the outer side of the backrest frame 4, the armrest frame 6 is fixedly arranged on the rotating frame 2 and is sleeved on the outer side of the backrest shield 7, and the backrest frame 4 is in sliding connection with the armrest frame 6.

The seat frame 3 and the backrest frame 4 are set as a linkage mechanism, specifically, pin shaft holes are symmetrically arranged at the bottom end of the backrest frame 4 and the rear end of the seat frame 3, pin shafts are arranged in the pin shaft holes, the seat frame 3 is hinged with the backrest frame 4, and the hinged position is a linkage stress point; one end of a gas spring 5 is hinged at the center of the bottom end of the backrest frame 4, and the other end is fixedly arranged at the front end of the rotating frame 2; two hinge points between the seat frame 3 and the backrest frame 4 and hinge points between the air spring 5 and the backrest frame 4 are positioned on the same horizontal axis, so that the stress balance and the linkage balance can be effectively ensured.

On the basis of the scheme, a rotating mechanism is arranged between the fixed frame 1 and the rotating frame 2, the rotating mechanism comprises an upper rotating disc 81, a lower rotating disc 82, a rotating pedal 83, a positioning ball 84 and a braking plate 85, the upper rotating disc 81 is fixedly connected with the rotating frame 2, the lower rotating disc 82 is fixedly connected with the fixed frame 1, and a ball 86 is arranged between the upper rotating disc 81 and the lower rotating disc 82; the rotary pedal 83 is hinged with one side of the fixed mount 1, the positioning ball 84 is fixedly arranged at one end of the rotary pedal 83, the brake plate 85 is fixedly arranged at the bottom end of the rotary mount 2 and forms a positioning groove, and the positioning ball 84 is arranged in the positioning groove. Specifically, the upper rotating disk 81, the lower rotating disk 82, and the balls 86 constitute an integral structure of the rotating disk 80. When the seat is in the turning direction, the rotary pedal 83 is stepped down to drive the positioning ball 84 to move out of the positioning groove, and the upper rotary disc 81 and the lower rotary disc 82 in the rotary disc 80 are rotationally connected through the ball 86, so that the rotary frame 2 and the fixed frame 1 of the seat are driven to rotate; the balls 86 arranged in the rotating disc 8 can enable the seat to rotate stably when rotating, and the seat is noiseless and long in service life; when the rotary pedal 83 is released, the detent ball 84 is returned to the detent, and the seat is positioned.

On the basis of the scheme, the top end of the rotating frame 2 is symmetrically provided with the sliding rails 21, the inner side wall of the seat frame 3 is symmetrically provided with the positioning shafts 31, the outer side of each positioning shaft 31 is sleeved with the corresponding roller 32, and each roller 32 is connected with the corresponding sliding rail 21 in a sliding mode. The sliding connection between the seat frame 3 and the rotating frame 2 is realized by the sliding of the rollers 32 on the sliding rails 21.

On the basis of the scheme, the side wall of the backrest frame 4 is symmetrically provided with sliding shafts 41, the inner side wall of the armrest frame 6 is symmetrically provided with sliding grooves 61, the sliding grooves 61 are obliquely arranged, and the sliding shafts 41 are in sliding connection with the sliding grooves 61. The back rest frame 4 is moved in the supine position by the sliding shaft 41 sliding in the sliding groove 61. More preferably, a sliding nylon sleeve is arranged in the sliding groove 61, and the sliding shaft 41 slides in the sliding nylon sleeve, so that the sliding is flexible, and the noise elimination effect can be achieved.

On the basis of the scheme, arc-shaped rails 11 are symmetrically arranged on two sides of the top end of the fixed frame 1, sliding blocks 22 are fixedly arranged on two sides of the bottom end of the rotating frame 2, and the sliding blocks 22 are connected with the arc-shaped rails 11 in a sliding mode. The arc-shaped track 11 is arranged on the outer side of the rotating disc 80, and the sliding block 22 slides in the arc-shaped track 1, so that the stable rotation of the seat in the rotating process can be ensured; after the seat is positioned, the sliding block 22 can effectively assist the rotating disc 80 to decompose the central stress point, eliminate the gap between the fixed frame 1 and the rotating frame 2 and achieve a stress balance state.

On the basis of the scheme, the bottom end of the seat frame 3 is fixedly provided with a balance tension spring 33, and the balance tension springs 33 are symmetrically arranged on two sides of the gas spring 5. When the seat frame 3 reciprocates back and forth on the slide rail 21, the balance tension spring 33 can eliminate the phenomenon of uneven stress on two sides of the seat frame 3 and ensure the straight motion of the seat frame 3.

On the basis of the scheme, the handrail frame 6 is provided with a USB power interface 62 and a computer power socket 63. Preferably, two USB power interfaces 62 and two computer power sockets 63 are provided, so that the use requirements of passengers on two seats can be met simultaneously.

On the basis of the scheme, the seat frame 3 is fixedly provided with an electric heating wire 12. The electric heating wire 12 can heat the cushion arranged on the seat frame 3, and the use is more convenient in winter.

On the basis of the scheme, a coat and hat hook 13 is arranged on the outer side wall of the backrest shield; the top end of the backrest frame is provided with a handle 14; the convenient passenger uses, satisfies passenger's different user demands.

On the basis of the scheme, the bottom end of the rear side of the fixed frame 1 is hinged with the pedal 15, and the seat frame 3 and the backrest frame 4 linkage mechanism are matched with the rear pedal 15 of the front-row seat for use together, so that a passenger in the rear-row seat can conveniently place feet on the rear pedal of the front-row seat when sitting up, the body of the passenger can be unfolded, and the comfort is better.

When the backrest and cushion linkage type seat is used, the back of a user leans against the backrest cushion of the backrest frame 4, the hip of the user is seated on the cushion of the seat frame 3, the user enables the seat frame 3 to move forwards by means of self-power, meanwhile, the seat frame 3 is linked with the backrest frame 4 to move backwards and downwards, the seat frame is matched with the rear-mounted pedal 15 of the front-row seat to be used, the body of the user is unfolded, the bearing force of the hip and the waist is decomposed, and the fatigue of the user is relieved. When the air spring control button is pressed, the seat frame 3 and the backrest frame 4 return rapidly at the same time, namely the air spring 5 pulls the seat frame 3 to move back, and the backrest frame 4 returns simultaneously in a linkage manner. When the seat rotation pedal 83 is depressed, the positioning ball 84 is moved out of the positioning slot and the seat is rotated 180 °; after the rotary pedals 83 are released, the positioning balls 84 are positioned in the positioning grooves, and the seat is positioned. The moving direction is the front side of the leg portion of the occupant and the rear side of the back portion.

Example two

On the basis of the first embodiment, as shown in fig. 7 and 8, the tea table 9 is arranged between the armrest frame 6 and the backrest shield 7, and the tea table 9 comprises a table board 91, a sliding rod 92 and a slide rail 93; a lifting handle 94 is arranged at the top end of the table board 91, the bottom end of the table board is rotatably connected with the sliding rod 92 through a rotating shaft 95, and a rotating sleeve 96 is sleeved outside the rotating shaft 95; the slide way 93 is arranged on the inner wall of the handrail frame 6, the sliding rod 92 is connected with the slide way 93 in a sliding way, and two ends of the sliding rod 92 are provided with limit blocks 97.

When the tea table 9 is used, the lifting handle 94 is lifted upwards, the table board 91 is completely pulled out under the driving of the sliding rod 92, and the limiting blocks 97 on the two sides of the sliding rod 92 are positioned at the top end of the slide way 93; then the table board 91 is turned outwards under the action of the rotating shaft 95 and the rotating sleeve 96 to enable the table board 91 to be in a horizontal state; the reverse operation is carried out when the device is retracted.

The built-in tea table 9 is arranged between the armrest frame 6 and the backrest shield 7, so that the chair is convenient to use and operate, does not occupy external space, has good overall appearance attractiveness, solves the problems of damage and inclination of a table top of the tea table in the prior art after long-time use, and has long service life.

EXAMPLE III

On the basis of the above embodiment, as shown in fig. 3, the foldable book and newspaper box 10 is further disposed on the backrest cover 7, the bottom end of the foldable book and newspaper box 10 is hinged to the backrest cover 7, and an elastic expansion member is disposed between the inner side wall of the foldable book and newspaper box 10 and the backrest cover 7.

The telescopic book and newspaper box 10 is arranged in a concave part arranged at the back of the backrest shield 7 and above the armrest frame 6, and preferably, an elastic telescopic piece between the inner side wall of the telescopic book and newspaper box 10 and the backrest shield 7 is made of high-density elastic band. When the telescopic book and newspaper box is not used, the telescopic book and newspaper box 10 is attached to the backrest shield 7 to form a plane, and the appearance is neat and attractive; when the retractable book and newspaper box is used, the top end of the retractable book and newspaper box 10 is pulled open to form a 30-degree opening, books, newspapers, magazines and the like are placed in the retractable book and newspaper box 10, and then the top end of the retractable book and newspaper box 10 is loosened, namely the opening is closed, and the books, newspapers and the like are clamped tightly.

Through being provided with elasticity books and newspapers box 10 at back guard shield 7 back, the modern design, aesthetic property is good, has avoided the book and newspapers net that uses usually to appear the knot slack when using for a long time, problem such as not of uniform size.

The novel backrest and seat frame linkage type seat provided by the invention is suitable for transportation tools such as motor train units, trains, long-distance passenger cars, steamships, airplanes and the like needing to be provided with the seat.

While there have been shown and described what are at present considered the fundamental principles and essential features of the invention and its advantages, it will be apparent to those skilled in the art that the invention is not limited to the details of the foregoing exemplary embodiments, but is capable of other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. A novel backrest and seat frame linkage type seat is characterized by comprising a fixed frame (1), a rotating frame (2), a seat frame (3), a backrest frame (4), an air spring (5) and a handrail frame (6); the fixed frame (1) is arranged at the bottom end of the rotating frame (2), and the rotating frame (2) is rotatably connected with the fixed frame (1); seat frame (3) set up on swivel mount (2) and with swivel mount (2) sliding connection, back frame (4) are articulated with seat frame (3), air spring (5) one end articulates in back frame (4) bottom, and the other end is fixed to be set up on swivel mount (2), the back frame (4) outside is provided with back guard shield (7), handrail frame (6) are fixed to be set up on swivel mount (2) and the cover is established in back guard shield (7) outside, back frame (4) and handrail frame (6) sliding connection.

2. The novel backrest and seat frame linkage type seat as claimed in claim 1, wherein a rotating mechanism is arranged between the fixed frame (1) and the rotating frame (2), the rotating mechanism comprises an upper rotating plate (81), a lower rotating plate (82), a rotating pedal (83), a positioning ball (84) and a braking plate (85), the upper rotating plate (81) is fixedly connected with the rotating frame (2), the lower rotating plate (82) is fixedly connected with the fixed frame (1), and a ball (86) is arranged between the upper rotating plate (81) and the lower rotating plate (82); rotatory pedal (83) are articulated with mount (1) one side, location ball (84) are fixed to be set up in rotatory pedal (83) one end, braking plate (85) are fixed to be set up in swivel mount (2) bottom and form the constant head tank, location ball (84) set up in the constant head tank.

3. The novel backrest and seat frame linkage type seat as claimed in claim 1, wherein the top end of the rotating frame (2) is symmetrically provided with slide rails (21), the inner side wall of the seat frame (3) is symmetrically provided with positioning shafts (31), the outer side of each positioning shaft (31) is sleeved with a roller (32), and the rollers (32) are slidably connected with the slide rails (21).

4. The novel chair with the linkage of the backrest and the seat frame as claimed in claim 1, wherein the backrest frame (4) is symmetrically provided with sliding shafts (41) on the side walls, the armrest frame (6) is symmetrically provided with sliding grooves (61) on the inner side walls, the sliding grooves (61) are arranged in an inclined manner, and the sliding shafts (41) are slidably connected with the sliding grooves (61).

5. The novel chair with the linkage of the backrest and the seat frame as claimed in claim 2, wherein the top end of the fixed frame (1) is symmetrically provided with arc-shaped rails (11) at both sides, the bottom end of the rotating frame (2) is fixedly provided with sliding blocks (22) at both sides, and the sliding blocks (22) are slidably connected with the arc-shaped rails (11).

6. The novel seat with linked backrest and seat frame as claimed in claim 3, characterized in that a balance tension spring (33) is fixedly arranged at the bottom end of the seat frame (3), and the balance tension spring (33) is symmetrically arranged at two sides of the gas spring (5).

7. The novel chair with the linkage of the backrest and the seat frame as claimed in claim 1, further comprising a tea table (9) arranged between the armrest frame (6) and the backrest shield (7), wherein the tea table (9) comprises a table board (91), a sliding rod (92) and a slideway (93); a lifting handle (94) is arranged at the top end of the table plate (91), the bottom end of the table plate is rotatably connected with the sliding rod (92) through a rotating shaft (95), and a rotating sleeve (96) is sleeved on the outer side of the rotating shaft (95); slide (93) symmetry is seted up on handrail frame (6) inside wall, slide bar (92) and slide (93) sliding connection, slide bar (92) both ends are provided with stopper (97).

8. The novel seat with linked backrest and seat frame as claimed in claim 1, further comprising a telescopic book and newspaper box (10) disposed on the backrest shield (7) at a side away from the backrest frame (4), wherein the bottom end of the telescopic book and newspaper box (10) is hinged to the backrest shield (7), and an elastic telescopic member is disposed between the inner side wall of the telescopic book and newspaper box (10) and the backrest shield (7).

9. The novel chair with the linkage of the backrest and the seat frame as claimed in claim 1, wherein the armrest frame (6) is provided with a USB power interface (62) and a computer power socket (63).

10. The novel chair with the linkage of the backrest and the seat frame as claimed in claim 1, wherein the seat frame (3) is fixedly provided with an electric heating wire (12).