CN217835444U - Folding mechanism for linkage table plate and display screen, seat and vehicle - Google Patents

Abstract

The utility model provides a folding mechanism for linking a table plate and a display screen, a seat and a vehicle, wherein the folding mechanism for linking the table plate and the display screen is arranged between the table plate and the display screen on a seat framework so as to synchronously turn over the display screen and the table plate and switch between a folding state and a unfolding state; folding mechanism includes the linking arm that the transmission links to each other and rotates the piece: the connecting arm is pivoted on the seat framework and connected with the table plate, and the connecting arm can be driven to rotate when the table plate is turned over; the rotating piece is pivoted on the seat framework and connected with the display screen, and the connecting arm can rotate to drive the display screen to turn over between a folded state and an unfolded state through the rotating piece. The utility model discloses a folding mechanism of linkage table and display screen drives the linking arm and rotates a pivot through the upset of drive table, and the corresponding upset of display screen forms the synchronous upset between the draw in state and the expansion state of display screen and table to occupation space when reducing table and display screen upset.

Description

Folding mechanism for linkage table plate and display screen, seat and vehicle

Technical Field

The utility model relates to a supplementary technical field that sets up of car, in particular to folding mechanism of linkage table and display screen. And simultaneously, the utility model discloses still relate to the seat that has the folding mechanism of this linkage table and display screen to and be equipped with the vehicle of this seat.

Background

At present, under the intelligent development trend in cabin, increase at car seat back and to accomodate table and amusement screen function, not only can expand the use scene of passenger cabin, can promote the office ability and the entertainment ability of passenger cabin simultaneously for satisfy customer's demand.

In the prior art, the table board and the display screen which are arranged on the backrest of the seat are mostly arranged in a separately unfolded or folded mode. Or a foldable mounting plate is arranged on the desk plate to fix the display screen on the mounting plate. The two mounting structures have the problems of large overturning range and large occupied space, and are not beneficial to space utilization in the vehicle. The existing table board and the display screen independently use respective independent power sources, which is not beneficial to cost saving of vehicles. In addition, because the display screen is fragile, the display screen is not protected by the existing structure, and the safety of the vehicle is not facilitated when the vehicle runs on a bumpy road.

SUMMERY OF THE UTILITY MODEL

In view of this, the utility model aims at providing a folding mechanism of linkage table and display screen to when realizing the synchronous upset of table and display screen, occupy the car inner space when reducing table and display screen upset.

In order to achieve the above purpose, the technical scheme of the utility model is realized as follows:

a folding mechanism for linking a table plate and a display screen is arranged between the table plate and the display screen on a seat framework, so that the display screen and the table plate can be synchronously turned over and switched between a folded state and an unfolded state;

folding mechanism includes the linking arm that the transmission links to each other and rotates the piece:

the connecting arm is pivoted on the seat framework and connected with the table plate, and the connecting arm can be driven to rotate when the table plate is turned over;

the rotating part is pivoted on the seat framework and connected with the display screen, and the connecting arm rotates to drive the display screen to turn over between the furled state and the unfolded state through the rotating part.

Further, in the folded state, the table board and the display screen tend to be arranged in parallel, and the table board covers at least part of the display screen.

Furthermore, a driving device for driving the table plate to turn over is arranged on the seat framework.

Furthermore, be equipped with on the linking arm and be close to the first connecting portion of table one end, the gliding setting of first connecting portion is in the spout on the table.

Further, the linking arm with be equipped with the connecting rod between the rotation piece, the one end of connecting rod articulate with first connecting portion is relative the opposite side of linking arm, the other end of connecting rod articulates rotate on the piece.

Further, the connecting rod and/or the connecting arm have a supporting end protruding toward the center of the display screen.

Furthermore, be equipped with the circular arc groove on the rotation piece, it sets up to slide on the display screen the arch in the circular arc groove, because of the pivot of rotation piece, circular arc groove both ends wall supports and presses on the arch, in order to order about the display screen upset.

Compared with the prior art, the utility model discloses following advantage has:

linkage table and display screen's folding mechanism, through with the table operationally reciprocal upset in order to drive the reciprocal pivot of linking arm, and then the pulling rotates the reciprocal pivot of piece to drive the reciprocal upset of display screen, in order to form the synchronous upset between the draw in state and the expansion state of display screen and table.

The utility model discloses a table forms coveing to at least partial display screen when the folded state to the messenger goes to form the protection to the display screen on jolting the road surface at the vehicle, simultaneously, prevents that the cracked back of display screen from causing the damage to the passenger. The pivot axis of the connecting arm and the overturning axis of the table are arranged at intervals, so that the overturning angle between the table and the display screen can be controlled, and the relative positions of the table and the display screen in the furled state and the unfolded state can be guaranteed.

The driving part drives the table board close to one side of the connecting arm to turn over relative to the seat framework in a reciprocating mode, so that the folding mechanism is simple and compact in structure. The connecting rod is hinged between the connecting arm and the rotating piece, so that reciprocating pivoting pulling force on the rotating piece when the connecting arm pivots in a reciprocating mode is transmitted.

The side walls at the two ends of the arc groove drive the stirring end on the display screen when the rotating piece rotates anticlockwise and clockwise, so that the display screen can overturn in a reciprocating manner relative to the seat framework. The support end on part connecting rod and or part linking arm forms the effective support to the display screen of expansion state to the support intensity of reinforcing display screen improves the protective effect of display screen.

Another object of the utility model is to provide a seat, the seat includes seatpad and back, in the back of back is equipped with as above the folding mechanism of linkage table and display screen.

Furthermore, the folding mechanisms are symmetrically arranged on the table board and two groups of the display screen at two sides.

Through setting up as above the folding mechanism of linkage table and display screen to make this seat have the display screen of amusement and the synchronous function of overturning of table, and at table and display screen upset in-process, reduce the occupation space at seat back.

Folding mechanisms are arranged on the two sides of the table plate and the display screen, so that the table plate and the display screen are balanced and smooth in reciprocating overturning.

And simultaneously, the utility model also provides a vehicle installs the seat that has the folding mechanism of above-mentioned linkage table and display screen on this vehicle.

The utility model discloses a vehicle has the same beneficial effect with the seat relative prior art who has the folding mechanism of above-mentioned linkage table and display screen, no longer gives unnecessary details here.

Drawings

The accompanying drawings, which form a part hereof, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention without undue limitation. In the drawings:

fig. 1 is an expanded state diagram of a first viewing angle of a folding mechanism for linking a table and a display screen according to a first embodiment of the present invention;

fig. 2 is an expanded state diagram of a second viewing angle of the folding mechanism for linking the table board and the display screen according to the first embodiment of the present invention;

fig. 3 is a drawing state diagram of the folding mechanism for linking the table board and the display screen according to the first embodiment of the present invention;

fig. 4 is an expanded state diagram of a third viewing angle of the folding mechanism for linking the table board and the display screen according to the first embodiment of the present invention;

fig. 5 is a schematic structural diagram of a rotating member according to a first embodiment of the present invention;

fig. 6 is a schematic structural diagram of a connecting arm according to a first embodiment of the present invention;

fig. 7 is a schematic structural diagram of a connecting rod according to a first embodiment of the present invention.

Description of reference numerals:

1. a table plate; 2. a display screen; 3. a folding mechanism; 4. a first rotating shaft; 5. a second rotating shaft; 6. a third rotating shaft; 7. a drive device; 8. a fixed mount;

101. a chute;

201. a protrusion;

301. a connecting arm; 302. a rotating member; 303. a connecting rod;

3011. a first connection portion; 3012. a second connecting portion; 3013. a first support end;

3021. an arc groove;

3031. a second support end.

Detailed Description

It should be noted that, in the present invention, the embodiments and features of the embodiments may be combined with each other without conflict.

In the description of the present invention, it should be noted that if terms indicating directions or positional relationships such as "up", "down", "inside", "outside", etc. appear, they are based on the directions or positional relationships shown in the drawings, and are only for convenience of description of the present invention and simplification of description, but do not indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and thus, should not be construed as limiting the present invention. Furthermore, the appearances of the terms first, second, etc. in this specification are not necessarily all referring to the same item, but are to be construed as indicating or implying any particular importance.

In addition, in the description of the present invention, the terms "mounted," "connected," and "connecting" are to be construed broadly unless otherwise specifically limited. For example, the connection may be fixed, detachable, or integrated; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. To those of ordinary skill in the art, the specific meaning of the above terms in the present invention can be understood in combination with the specific situation.

The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.

Example one

The embodiment relates to a folding mechanism of linkage table and display screen, and the folding mechanism of this linkage table and display screen sets up between table 1 and the display screen 2 that is located the seat skeleton to can make display screen 2 and table 1 overturn in step, and switch between the state of drawing in and the state of expanding.

The folding mechanism 3 comprises a connecting arm 301 and a rotating part 302 which are connected in a transmission way: the connecting arm 301 is pivoted on the seat framework and connected with the table board 1, and the connecting arm 301 can be driven to rotate when the table board 1 is turned over; the rotating member 302 is pivotally connected to the seat frame and connected to the display 2, and the connecting arm 301 can rotate to drive the display 2 to turn between a folded state and an unfolded state through the rotating member 302.

The folding mechanism of linkage table and display screen of this embodiment through set up folding mechanism 3 between table 1 and display screen 2 to when making table 1 operationally overturn, make drive link arm 301 pivot and drive and rotate piece 302 pivot, in order to form the upset to display screen 2, thereby make display screen 2 and table 1 form the folded state and the state of expansion in step, avoid current structure to display screen 2 and table 1 individual drive, reduce use cost. And because the folding mechanism is arranged between the table board 1 and the display screen 2, the display screen 2 and the table board 1 occupy small space in the vehicle when being switched and turned over between the folded state and the unfolded state, so that passengers have larger moving space.

Based on the above overall design, as shown in fig. 1 and 2, in an exemplary structure of the folding mechanism for linking the table board and the display screen of the embodiment, the shapes of the table board 1 and the display screen 2 are set according to the shapes of the table board 1 and the display screen 2 used in the existing vehicle. The table board 1 is positioned below the display screen 2, and the table board 1 and the display screen 2 keep relatively fixed positions to perform reciprocating overturning.

As shown in fig. 1 and 2, the connecting arm 301 is embodied as a plate crank with a bent portion, and the bent angle of the connecting arm 301 is an obtuse angle, so that the table 1 has a larger unfolding angle, and the angle of the table 1 in the present embodiment is 65 °. A second rotating shaft 5 is fixedly welded to the connecting arm 301, and the second rotating shaft 5 is pivotally connected to the seat frame in the vehicle width direction.

As also shown in fig. 1 and 2, the above-mentioned rotating member 302 is specifically configured as a plate-shaped member similar to a triangle, a first rotating shaft 4 is pivotally connected to the upper end of the rotating member 302, the first rotating shaft 4 is arranged in parallel with a second rotating shaft 5, and the first rotating shaft 4 is fixedly connected to the seat frame by bolts through two oppositely arranged fixing frames 8. Moreover, the display screen 2 of the present embodiment is sleeved on the first rotating shaft 4, and can be turned back and forth around the center of the first rotating shaft 4, and the angle of the back and forth turning of the display screen 2 is set to 30 °. The second rotating shaft 5 is arranged at the lower left of the first rotating shaft 4 in a staggered manner.

In addition, a driving device 7 is assembled on the seat framework, and the driving device 7 is connected to the table plate 1 in a driving mode so as to drive the table plate 1 to turn back and forth. As shown in fig. 1, the driving device 7 includes a driving motor and a third rotating shaft 6 connected to the power output end of the driving motor through a key, and the third rotating shaft 6 is pivotally connected to the seat frame, the driving motor is fixedly connected to the seat frame located on one side of the table 1, a sleeve of the table 1 close to the connecting arm 301 is disposed on the third rotating shaft 6, and bolts are disposed at two ends of the table 1, and are screwed into the third rotating shaft 6 from the table 1 in a screwing manner, so that the table 1 is fixedly connected to the third rotating shaft 6, and the table 1 is driven to turn over along the axis of the third rotating shaft 6 through the driving motor. The third rotating shaft 6 is arranged at the lower right of the second rotating shaft 5 in a staggered manner. In other embodiments, the table board 1 may be manually driven to turn back and forth without providing a driving motor.

In this embodiment, in a folded state, the table board 1 and the display screen 2 tend to be arranged in parallel, and the table board 1 covers at least part of the display screen 2. The specific furled state is shown in fig. 3, the table board 1 is operated to turn towards the direction close to the display screen 2, the display screen 2 turns towards the direction far away from the table board 1, and in the furled state, the table board 1 and the display screen 2 are formed to be approximately parallel to each other along the height direction of the vehicle and are relatively fixed at a certain distance. Of course, in other embodiments, the desk board 1 and the display screen 2 may be disposed in parallel in other directions of the vehicle according to the installation requirement when being folded.

Specifically, as shown in fig. 3, the width of the table board 1 of the present embodiment is greater than the width of the display screen 2, so that the table board 1 protects the whole display screen 2 during the operation of the vehicle, thereby preventing the display screen 2 from being crashed and cracked due to the vehicle running on a bumpy road, and further ensuring the safety of passengers. In addition, when the desk board 1 and the display screen 2 of the present embodiment are in the unfolded state, the desk board 1 is parallel to the floor of the vehicle body and arranged at an obtuse angle with the display screen 2. Specifically, as shown in fig. 1, the display screen 2 is disposed at an appropriate elevation angle, so as to meet the viewing angle requirements of passengers and increase the comfort of passengers.

In other embodiments, the rotation angles of the table board 1 and the display screen 2 can be arranged according to the positions of the unfolding state and the folding state, so that the table board can be attached to the back of the backrest in the folding state, and the requirements and the use of passengers can be met in the unfolding state.

In addition, a first connection portion 3011 is disposed on the connection arm 301 near one end of the table board 1, and the first connection portion 3011 is slidably disposed in the chute 101 of the table board 1. In a specific structure, as shown in fig. 2 and fig. 3, the first connection portion 3011 is a cylindrical boss disposed at one end of the connection arm 301, and a long-strip-shaped sliding slot 101 is disposed on a side surface of the desk board 1. When the table board 1 is turned over along the third rotating shaft 6, the first connecting portion 3011 can be driven by the chute 101, so that the connecting arm 301 pivots around the second rotating shaft 5.

In the embodiment, the connecting arm 301 is provided with a first connecting portion 3011 near one end of the table top 1, and the first connecting portion 3011 is slidably arranged in the sliding groove 101 on the table top 1. As a specific embodiment, as shown in fig. 1 to 2, the first connection portion 3011 is a bolt penetrating through the connection arm 301 and facing the table board 1, the bolt passes through the sliding slot 101, and a nut preventing the bolt from coming off is provided on a surface of the sliding slot 101 away from the connection arm 301, so that the first connection portion 3011 is slidably held in the sliding slot 101.

Further, a connecting rod 303 is provided between the connecting arm 301 and the rotating member 302, one end of the connecting rod 303 is hinged to the other side of the connecting arm 301 opposite to the first connecting portion 3011, and the other end of the connecting rod 303 is hinged to the rotating member 302. As a specific embodiment, as shown in fig. 1 to 2, the connecting rod 303 is configured in a shape of an elongated plate, and both ends of the connecting rod 303 are hingedly connected to the connecting arm 301 and the rotating member 302 by rivets. Of course, in other embodiments, a geared driving connection may be provided between the connecting arm 301 and the rotating member 302 to provide the pivoting drive of the connecting arm 301 to the rotating member 302.

Specifically, the rotating member 302 is provided with an arc groove 3021, and the display screen 2 is provided with a protrusion 201 sliding in the arc groove 3021, so that due to the reciprocating pivoting of the rotating member 302, two end walls of the arc groove 3021 are pressed against the protrusion 201 to drive the display screen 2 to turn back and forth. As shown in fig. 1 and 5, the circular arc groove 3021 is provided in the rotor 302 so as to penetrate around the first rotation shaft 4. The central angle of the circular arc groove 3021 in this embodiment is 25 °, and when the rotating member 302 is pulled by the connecting rod 303 to pivot back and forth, the two end walls of the circular arc groove 3021 alternately press against the protrusions 201, so as to drive the display screen 2 to turn back and forth. The rotation angle of the rotation member 302 is 55 °.

In order to stabilize and secure the display screen 2 in the unfolded state, the connection rod 303 and/or the connection arm 301 has a support end protruding toward the center of the display screen 2. As shown in fig. 4, 6, and 7, one end of the connecting arm 301, which is close to the connecting rod 303, is press-formed with a bend toward the center of the display screen 2 to form a first supporting end 3013. And, along the thickness direction of the connecting rod 303, one end close to the connecting arm 301 is punch-formed and bent towards the center of the display screen 2 to form a second supporting end 3031.

As also shown in fig. 4, 6 and 7, the first support end 3013 and the second support end 3031 are hinged by a rivet, and the first support end 3013 and the second support end 3031 are overlapped on the back of the display screen 2, so as to form an effective support for the display screen 2 in the unfolded state. Of course, in other embodiments, the support end may be provided on the connecting arm or the connecting rod separately to form an effective support for the display screen.

In order to prevent the display panel 2 from being turned over without being driven, a certain rotational damping is provided between the display panel 2 and the first rotary shaft 4. Due to the arrangement of the arc groove 3021, the display screen 2 can be manually adjusted by 25 degrees in the folded state and the unfolded state, so that the sitting posture angle of a passenger can be adapted to the unfolded state, and the satisfaction degree of the passenger is improved.

Taking the process of moving from the folded state to the unfolded state as an example, with reference to fig. 1 and 3, the specific moving process of the folding mechanism 3 of the linked table board 1 and the display screen 2 of the present embodiment is described as follows:

firstly, the driving motor drives the table board 1 to rotate clockwise along the third rotating shaft 6, the table board 1 is turned clockwise from the folded state position to the direction away from the display screen 2, the driving connecting arm 301 is turned clockwise along with the table board 1, and the first connecting portion 3011 is gradually pivoted to the lower side of the second rotating shaft 5 along with the table board 1 and slides to the direction close to the third rotating shaft 6.

Meanwhile, the second connection portion 3012 of the connection arm 301 gradually turns over above the second rotating shaft 5, the second connection portion 3012 of the connection arm 301 drives the connection rod 303 to rotate, and the rotation of the connection rod 303 pushes the rotating member 302, so that the rotating member 302 has a pushing force of counterclockwise rotation, due to the rotation of the rotating member 302, the left wall of the arc groove 3021 abuts against the left side of the protrusion 201 on the display screen 2, and the rotating member 302 continues to rotate, so that the display screen 2 is pushed to turn counterclockwise by taking the first rotating shaft 4 as an axis. Until the table board 1 rotates to be parallel to the ground of the vehicle body and stops, the display screen 2 and the table board 1 are arranged in an obtuse angle. Thereby realizing the synchronous movement of the table board 1 and the display screen 2.

The moving process from the unfolding state to the folding state is the same as the process, and the rotating direction is opposite. And will not be described in detail herein.

The folding mechanism of linkage table and display screen of this embodiment, through setting up linking arm 301 and rotation piece 302, when reciprocal upset of operation drive table 1, drive through linking arm 301 and rotate a piece 302 pivot to make the reciprocal upset of piece 302 drive display screen 2, thereby realize the simultaneous movement of table 1 and display screen 2, occupy the interior space of car when reducing table 1 and the upset of display screen 2.

Example two

The present embodiment relates to a seat, which includes a seat cushion and a backrest, and a folding mechanism for linking a table board and a display screen as described in the first embodiment is installed on the back of the backrest.

Through the folding mechanism who sets up linkage table and display screen, can make table 1 draw in or expand with display screen 2 in step, reduce table 1 and the occupation of display screen 2 upset in-process to the car space, improve the use of this seat and experience, guarantee the travelling comfort that the passenger took bus.

In addition, the folding mechanisms 3 are symmetrically arranged on two sides of the table board 1 and the display screen 2. The balance and stability of the desk board 1 and the display screen 2 during overturning can be improved, and the satisfaction degree of passengers is improved.

EXAMPLE III

The present embodiment relates to a vehicle on which a seat as described in the second embodiment is mounted. Through setting up this seat, can reduce the cost of vehicle, improve passenger's use and experience.

The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (10)

1. The utility model provides a link folding mechanism of table and display screen which characterized in that: the folding mechanism (3) is arranged between a table plate (1) and a display screen (2) on the seat framework, so that the display screen (2) and the table plate (1) can be synchronously turned over and switched between a folded state and an unfolded state;

the folding mechanism (3) comprises a connecting arm (301) and a rotating piece (302) which are connected in a transmission way:

the connecting arm (301) is pivoted on the seat framework and connected with the table plate (1), and the connecting arm (301) can be driven to rotate when the table plate (1) is turned over;

the rotating part (302) is pivoted on the seat framework and connected with the display screen (2), and the connecting arm (301) rotates and can drive the display screen (2) to turn between the furled state and the unfolded state through the rotating part (302).

2. The folding mechanism for linking a table board and a display screen according to claim 1, wherein:

in the folded state, the table plate (1) and the display screen (2) tend to be arranged in parallel, and the table plate (1) covers at least part of the display screen (2).

3. The folding mechanism for linking a table board and a display screen according to claim 1, wherein:

the seat framework is provided with a driving device (7) for driving the table plate (1) to turn.

4. The folding mechanism for linking a table board and a display screen according to claim 1, wherein:

be equipped with on linking arm (301) and be close to first connecting portion (3011) of table (1) one end, gliding setting of first connecting portion (3011) is in spout (101) on table (1).

5. The folding mechanism for linking a table board and a display screen according to claim 4, wherein:

the connecting arm (301) with be equipped with connecting rod (303) between rotating piece (302), the one end of connecting rod (303) articulate with first connecting portion (3011) is relative the opposite side of connecting arm (301), the other end of connecting rod (303) articulates rotate on piece (302).

6. The folding mechanism for the linkage table and the display screen of claim 5, wherein:

the connecting rod (303) and/or the connecting arm (301) has a support end protruding towards the center of the display screen (2).

7. The folding mechanism for linking a table board and a display screen according to claim 1, wherein:

be equipped with circular arc groove (3021) on rotating piece (302), there is the slip setting on display screen (2) protruding (201) in circular arc groove (3021), because of the pivot of rotating piece (302), circular arc groove (3021) both ends wall supports and presses on protruding (201), in order to drive display screen (2) upset.

8. A seat comprising a seat cushion and a backrest, characterized in that:

the back of the backrest is provided with a folding mechanism of the linked desk board and the display screen as claimed in any one of claims 1 to 7.

9. The seat of claim 8, wherein:

the folding mechanism (3) is respectively arranged on the two sides of the table board (1) and the two sides of the display screen (2).

10. A vehicle, characterized in that:

the vehicle having mounted thereon a seat as claimed in claim 9.

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