CN116985689A - Automobile rear row desk plate and automobile - Google Patents

Abstract

The invention relates to the technical field of automobile accessories, and discloses an automobile rear-row desk plate and an automobile. The base is suitable for being connected in an armrest box of the rear row of the automobile; the lifting table plate is connected to the base through a first lifting mechanism; one end of the telescopic table plate assembly is connected to the lifting table plate through the slewing mechanism, the telescopic table plate assembly is suitable for extending towards one side far away from the slewing mechanism, and the lifting table plate and the telescopic table plate assembly are suitable for being contained in the armrest box. According to the invention, as the base is arranged in the rear-row armrest box of the automobile, the lifting table plate can lift, the telescopic table plate assembly can rotate, the telescopic table plate assembly can be extended, the table plate can be adjusted in multiple aspects of height, angle and extension length, the height, sitting posture and use habit of passengers can be better adapted, and the experience of the passengers can be improved.

Description

Automobile rear row desk plate and automobile

Technical Field

The invention relates to the technical field of automobile accessories, in particular to an automobile rear-row desk plate and an automobile.

Background

Because of the variety of people's working modes and life modes, when passengers sit in the back row of an automobile, mobile terminals, such as tablet computers, notebook computers, mobile phones and other electronic products, are often required to be used on the automobile. Therefore, a device for supporting the mobile office equipment is required for the rear automobile to meet the demands of passengers for office or entertainment in the rear automobile.

In the prior art, a plurality of small tables for rear passengers exist, and in the technical schemes, the small tables are hung on a front seat or integrally connected with the front seat.

The height and the distance of the small table plate are required to be adjusted because of the different heights and the different body shapes of different passengers or the same passenger adapting to different sitting postures. In these prior art solutions, however, the small table is attached to the front seat, and thus, it is necessary to perform adjustment according to the position of the front seat. If the next passenger adjusts the seat, the back row of the seats also needs to be manually adjusted. If the front passenger suddenly adjusts the seat, the device hung on the small desk plate is easy to topple or fall, and the mobile office equipment is damaged.

In order to solve the above-mentioned problems, there is also provided in the prior art a solution in which a table is provided in a armrest box between two seats in the rear row in a foldable manner, however, in these solutions the table is either biased to one side of the seat when unfolded, resulting in use only on a fixed side of the seat; or, the desk is located in the center, and passengers on either side need to lean sideways to turn the desk when using the desk, so that sitting postures are uncomfortable, and the experience of the passengers is poor.

Disclosure of Invention

In view of the above, the invention provides an automobile rear-row desk plate and an automobile, which are used for solving the problems of limited position after the automobile rear-row desk plate is unfolded and poor experience of passengers.

In a first aspect, the present invention provides an automotive rear desk panel comprising a base, a lift desk panel and a telescoping desk panel assembly. The base is suitable for being connected in an armrest box of the rear row of the automobile; the lifting table plate is connected to the base through a first lifting mechanism; one end of the telescopic table plate assembly is connected to the lifting table plate through the slewing mechanism, the telescopic table plate assembly is suitable for extending towards one side far away from the slewing mechanism, and the lifting table plate and the telescopic table plate assembly are suitable for being contained in the armrest box.

The beneficial effects are that: because the base sets up in car back row handrail case, and the lift table can go up and down, consequently, can rise the lift table when using under first elevating system's drive, the unnecessary back row space of extra occupation of descending lift table and accomodating in car back row handrail incasement. Because flexible table subassembly passes through rotation mechanism and lift table to be connected for flexible table subassembly can rotate, with flexible table subassembly gyration to be close to passenger's seat position, and, flexible table subassembly can be towards the one side extension of keeping away from rotation mechanism, the direction extension that is close to the passenger, the table can carry out height, angle, the many-sided regulation of length of extension, adaptation passenger's height, position of sitting and use habit better, promotes passenger experience and feels.

In an alternative embodiment, the swing mechanism includes a spacing member and a swing member, the spacing member is disposed on the upper portion of the lifting table, the swing member is disposed on the bottom of the telescopic table assembly, the swing member has a locking position engaged with the spacing member and an unlocking position disengaged from the spacing member, and in the unlocking position, the telescopic table assembly is adapted to rotate.

The beneficial effects are that: through setting up locating part and rotating member, when needs use the table, break away from locating part and the rotating member that will connect on flexible table subassembly, make the rotating member be in the unblock position, at this moment, flexible table subassembly can rotate for the lift table to rotate the flexible table subassembly to be close to passenger's one side or rotate before the passenger, after flexible table subassembly has adjusted the angle, with locating part and locating part spacing cooperation, realize the fixed of flexible table subassembly and lift table. The limiting piece and the rotating piece are matched to realize rotation and locking of the telescopic table plate assembly, and reliability of the rear row of table plates is improved.

In an alternative embodiment, the rotating member is a ratchet wheel, the limiting member is an elastic pawl, and in a non-stressed state, the limiting member is clamped with the rotating member and is in a locking position to prevent the telescopic table plate assembly from rotating relative to the lifting table plate; the telescopic table plate assembly is manually pulled to overcome the elastic clamping force of the pawl to the ratchet wheel, the ratchet wheel can rotate, the ratchet wheel and the pawl are positioned at the unlocking position, and the telescopic table plate assembly can rotate relative to the lifting table plate.

In an alternative embodiment, the limiting member comprises a limiting sleeve, the rotating member comprises a limiting block, the limiting block is in plug-in fit with the limiting sleeve, and a rotation stopping structure is arranged between the limiting block and the limiting sleeve.

The beneficial effects are that: adopt stop collar and stopper, realize the cooperation locking between rotating member and the locating part through grafting cooperation, simple structure connects between stopper and the stop collar with contact connection simple easy operation, only need remove the cooperation of rotating member and locating part from grafting complex opposite direction removal flexible table subassembly to be arranged in gyration regulation, insert the stopper in the stop collar along grafting direction again, owing to be equipped with between stopper and the stop collar and stop the structure of changeing, can lock rotating member and locating part, make flexible table subassembly and lift table fixed usable.

In an alternative embodiment, an elastic restoring member is connected between the rotating member and the lifting table, and the elastic restoring member is adapted to apply an elastic force to the telescopic table assembly in the plugging direction, so that the rotating member is kept in the locking position.

The beneficial effects are that: through setting up the elasticity piece that resets, when pegging graft between flexible table subassembly and lift table, can apply elastic force to flexible table subassembly, elastic force is along the grafting direction, and that is, elastic force makes flexible table subassembly be close to the lift table, makes keeps the locking between flexible table subassembly and the lift table, improves the reliability and the stability of table. Simultaneously, at the stopper on flexible table subassembly to the lower position cover grafting on the lift table, flexible table subassembly receives the elastic force that elasticity reset piece applyed all the time, when stopper and stop collar counterpoint, under the effect of elastic force, flexible table subassembly can easily realize with the grafting of lift table, improves the convenience of flexible table subassembly angle adjustment.

In an alternative embodiment, the telescopic table assembly comprises a first table and a second table which are arranged in parallel in the same horizontal plane, the first table is rotationally connected with the lifting table, and the second table is connected with the first table through a telescopic rod.

The beneficial effects are that: by the arrangement, two desktops can be provided for passengers, so that the use area is increased; because the second table board is connected with the first table board through the telescopic rod, the second table board can move relative to the first table board, and the second table board is extended to a position close to a passenger, so that a more comfortable use angle is provided for the passenger.

In an alternative embodiment, the first lifting mechanism comprises a fixed rod and a lifting rod, the fixed rod and the lifting rod are connected in a sliding manner, and the fixed rod and the lifting rod are connected in an adjustable manner through an adjusting piece.

The beneficial effects are that: the lifting is realized by adopting the sliding fit of the fixing rod and the lifting rod, the structure is simple, the occupied space is small, and the lifting device is suitable for being placed in a handrail box of a rear seat of an automobile.

In an alternative embodiment, the lifting rod is provided with a threaded hole, the adjusting bolt is arranged in the threaded hole, and the adjusting bolt is suitable for being abutted with the fixing rod to lock the lifting rod and the fixing rod.

The beneficial effects are that: the lifting adjustment is convenient by fixing the adjusting bolt, and the locking is reliable.

In an alternative embodiment, a slotted guide is provided on the fixing rod, with which slotted guide the adjusting bolt is in abutment when locked.

The beneficial effects are that: through setting up the spout, adjusting bolt and spout cooperation for the lifter is when following the dead lever lift removal, and adjusting bolt is located the spout all the time, plays the spacing effect of direction to the lift of lifter, improves the removal precision of lifter.

In an alternative embodiment, a second lifting mechanism is connected between the base and the bottom of the armrest box.

The beneficial effects are that: the height of the desk plate can be adjusted twice through the second lifting mechanism, the height adjusting range is improved, and the requirements of passengers with more heights and different use scenes are further met.

In an alternative embodiment, the lifting table plate and the telescopic table plate assembly are arranged in the box body, the base is arranged in the box body, or the base and the bottom plate of the box body are integrally arranged.

The beneficial effects are that: the lifting table plate and the telescopic table plate assembly can be contained in the box body under the condition that the table plate is not used, and the box body can protect all parts in the table plate.

In an alternative embodiment, a foldable auxiliary support frame is arranged between the base and the lifting table plate, and the auxiliary support frame and the first lifting mechanism are arranged in parallel.

The beneficial effects are that: through setting up auxiliary stay frame, can play auxiliary stay effect to lifting table and the flexible table subassembly that is located lifting table, improve lifting table and flexible table subassembly's stability and bearing capacity.

In an alternative embodiment, the auxiliary support frame comprises a connecting rod assembly in rotary connection, one end of the connecting rod assembly is in rotary connection with the bottom of the lifting table plate, and the other end of the connecting rod assembly is in rotary connection with the base.

The beneficial effects are that: the auxiliary support frame adopts the link assembly, can adapt to the arbitrary altitude mixture control of first elevating system, simple structure and practical reliable.

In a second aspect, the invention also provides an automobile, comprising a seat positioned at the rear row and an automobile rear row desk plate according to any one of the technical schemes, wherein an armrest box is arranged between the adjacent seats; the automobile back row desk plate is arranged in the armrest box.

Because the automobile comprises the automobile back row desk plate, the automobile back row desk plate has the same effect as the automobile back row desk plate, and the description is omitted here.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings that are needed in the description of the embodiments or the prior art will be briefly described, and it is obvious that the drawings in the description below are some embodiments of the present invention, and other drawings can be obtained according to the drawings without inventive effort for a person skilled in the art.

Fig. 1 is a schematic structural view of a rear desk board of an automobile according to a first view angle of an embodiment of the invention;

FIG. 2 is a schematic view of the rear desk board of the automobile shown in FIG. 1 from a second view angle;

FIG. 3 is a right side view of the rear row of automotive desks shown in FIG. 1;

FIG. 4 is a schematic diagram of the structure of the present swing mechanism;

FIG. 5 is a front view of the swing mechanism shown in FIG. 4;

FIG. 6 is a schematic view of a first lifting mechanism;

fig. 7 is a cross-sectional view of fig. 6.

Reference numerals illustrate:

1. a base; 2. lifting the table plate; 3. a telescoping table assembly; 301. a first table; 302. a second table plate; 303. a telescopic rod; 4. a first lifting mechanism; 401. a fixed rod; 402. a lifting rod; 403. an adjusting member; 404. a chute; 5. a slewing mechanism; 501. a limiting piece; 5011. a limit sleeve; 502. a rotating member; 5021. a limiting block; 503. an elastic reset piece; 504. a rotation stopping structure; 6. a second lifting mechanism; 601. a driving motor; 7. a case; 8. an auxiliary supporting frame; 9. and a vehicle body.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is apparent that the described embodiments are some embodiments of the present invention, but not all embodiments of the present invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.

Embodiments of the present invention are described below with reference to fig. 1 to 7.

According to an embodiment of the present invention, in one aspect, there is provided a rear row of automotive desks, comprising a base 1, a lifting desk 2 and a telescopic desk assembly 3. The base 1 is suitable for being connected in an armrest box of the rear row of the automobile; the lifting table plate 2 is connected to the base 1 through a first lifting mechanism 4; one end of the telescopic table plate assembly 3 is connected to the lifting table plate 2 through a rotary mechanism 5, the telescopic table plate assembly 3 is suitable for extending towards one side far away from the rotary mechanism 5, and the lifting table plate 2 and the telescopic table plate assembly 3 are suitable for being contained in an armrest box.

Because base 1 sets up in car back row handrail incasement, and lift table 2 can go up and down, consequently, can rise lift table 2 when using under the drive of first elevating system 4, fall lift table 2 and accomodate in car back row handrail incasement when not using, do not additionally occupy the back row space. Because flexible table subassembly 3 passes through swing mechanism 5 and lift table 2 is connected for flexible table subassembly 3 can carry out the gyration, in order to be close to passenger's seat position with flexible table subassembly 3 gyration, and, flexible table subassembly 3 can be towards the one side extension of keeping away from swing mechanism 5, the direction extension that is close to the passenger towards promptly, the table can carry out height, angle, the many-sided regulation of length of extension, adaptation passenger's height, position of sitting and use habit better, promote passenger experience and feel.

In one embodiment, the swing mechanism 5 includes a limit member 501 and a swing member 502 in a limit fit, the limit member 501 is disposed on the upper portion of the lifting table 2, the swing member 502 is disposed on the bottom of the telescopic table assembly 3, and the swing member 502 has a locking position in which it is engaged with the limit member 501 and an unlocking position in which it is disengaged from the limit member 501, and in the unlocking position, the telescopic table assembly 3 is adapted to rotate.

Through setting up locating part 501 and rotating member 502, when needs use the table, break away from locating part 501 and rotating member 502 that will connect on flexible table subassembly 3, make rotating member 502 be in the unblock position, at this moment, flexible table subassembly 3 can rotate for lift table 2 to rotate flexible table subassembly 3 to be close to passenger's one side or rotate before the passenger, after flexible table subassembly 3 adjusts the angle, with rotating member 502 and locating part 501 spacing cooperation, realize the fixed of flexible table subassembly 3 and lift table 2. The rotation and locking of the telescopic table plate assembly 3 are realized by adopting the limit piece 501 and the rotation piece 502 to cooperate, and the reliability of the rear row of table plates is improved.

In one embodiment, the limiting member 501 includes a limiting sleeve 5011, the rotating member 502 includes a limiting block 5021, the limiting block 5021 is in plug-in fit with the limiting sleeve 5011, and a rotation stopping structure 504 is disposed between the limiting block 5021 and the limiting sleeve 5011.

Adopt stop collar 5011 and stopper 5021, realize the cooperation locking between rotation piece 502 and the locating part 501 through grafting cooperation, simple structure, connect between stopper 5021 and the stop collar 5011 with contact connection simple easy operation, only need follow grafting complex opposite direction and remove flexible table subassembly 3 can release the cooperation of rotation piece 502 and locating part 501, thereby be used for gyration regulation, insert stopper 5021 in the stop collar 5011 again along the grafting direction, owing to be equipped with between stopper 5021 and the stop collar 5011 and block the structure 504 of stopping, can lock rotation piece 502 and locating part 501, make flexible table subassembly 3 and lift table 2 fixed usable.

Specifically, when the angle of flexible table subassembly 3 needs to be adjusted, upwards pull flexible table subassembly 3, stopper 5021 of flexible table subassembly 3 below breaks away from limit cap 5011 on the lift table 2 subassembly to can carry out the angle modulation through rotating flexible table subassembly 3, after adjusting to suitable angle, with stopper 5021 and limit cap 5011 alignment, push down flexible table subassembly 3, insert stopper 5021 in the limit cap 5011, realize the locking, prevent taking place relative rotation between flexible table subassembly 3 and the lift table 2.

In one embodiment, the inner wall of the limiting sleeve 5011 is a polygonal structure, the outer wall of the limiting sleeve 5021 is a polygonal structure matched with the inner wall of the limiting sleeve 5021, and the two are spliced and matched to form the rotation stopping structure 504. In one embodiment, the polygon is a hexagon. It will be appreciated that the greater the number of sides of the polygon, the greater the angle of adjustment that may be selected as the telescoping table assembly 3 rotates.

Of course, the rotation stopping structure 504 is not limited to the above polygonal structure, for example, in one embodiment, a spline groove is provided on the inner wall of the limiting sleeve 5011, and a spline post is provided on the outer wall of the limiting block 5021, so that the rotation stopping after the insertion is realized.

In one embodiment, a resilient return member 503 is connected between the swivel member 502 and the lifting table 2, and the resilient return member 503 is adapted to apply a resilient force to the telescopic table assembly 3 in the plugging direction, so that the swivel member 502 is kept in the locking position.

Through setting up elasticity piece 503 that resets, when pegging graft between flexible table subassembly 3 and lift table 2, can apply elastic force to flexible table subassembly 3, elastic force is along the grafting direction, and that is, elastic force makes flexible table subassembly 3 be close to lift table 2, makes keeps the locking between flexible table subassembly 3 and the lift table 2, improves the reliability and the stability of table. Meanwhile, in the process that the limiting block 5021 on the telescopic table plate assembly 3 is inserted into the lower sleeve on the lifting table plate 2, the telescopic table plate assembly 3 always receives the elastic force applied by the elastic resetting piece 503, when the limiting block 5021 and the limiting sleeve 5011 are aligned, the telescopic table plate assembly 3 can be easily inserted into the lifting table plate 2 under the action of the elastic force, and the convenience of angle adjustment of the telescopic table plate assembly 3 is improved.

In one embodiment, the resilient return member 503 comprises a spring. When the telescopic table plate assembly 3 is not connected with the lifting table plate 2 through the elastic reset piece 503, the telescopic table plate assembly 3 can be lifted and separated from the lifting table plate 2, and can be placed at other positions to play a bearing role, and mobile equipment such as office or entertainment can be placed on the lifting table plate 2. When the telescopic table plate assembly 3 is connected with the lifting table plate 2 through the elastic reset piece 503, the elastic reset piece 503 also plays a role in guiding, so that the quick positioning and inserting connection between the limiting block 5021 of the telescopic table plate assembly 3 and the limiting sleeve 5011 on the lifting table plate 2 is facilitated, and the adjusting efficiency is improved.

In one embodiment, the telescopic table assembly 3 comprises a first table 301 and a second table 302 arranged in parallel in the same horizontal plane, the first table 301 is rotatably connected to the lifting table 2, and the second table 302 is connected to the first table 301 by a telescopic link 303.

By the arrangement, two desktops can be provided for passengers, so that the use area is increased; because the second table 302 is connected to the first table 301 through the telescopic rod 303, the second table 302 can move relative to the first table 301, so that the second table 302 can be extended to a position close to the passenger, and a more comfortable use angle is provided for the passenger.

In one embodiment, the first lifting mechanism 4 includes a fixed rod 401 and a lifting rod 402, the fixed rod 401 and the lifting rod 402 are slidably connected, and the fixed rod 401 and the lifting rod 402 are adjustably connected through an adjusting member 403.

The lifting is realized by adopting the sliding fit of the fixing rod 401 and the lifting rod 402, the structure is simple, the occupied space is small, and the lifting device is suitable for being placed in a handrail box of a rear seat of an automobile.

In one embodiment, the lifting rod 402 is provided with a threaded hole, and the adjusting bolt is arranged in the threaded hole and is suitable for abutting against the fixing rod 401 to lock the lifting rod 402 and the fixing rod 401.

The lifting adjustment is convenient by fixing the adjusting bolt, and the locking is reliable.

In one embodiment, a sliding slot 404 is provided on the fixed rod 401, and the adjusting bolt is locked against the bottom of the sliding slot 404.

Through setting up spout 404, adjusting bolt and spout 404 cooperation for lifter 402 is when going up and down along dead lever 401 to remove, and adjusting bolt is located the spout 404 all the time, plays the spacing effect of direction to the lift of lifter 402, improves the removal precision of lifter 402.

In one embodiment, the adjusting bolt is located outside of the lifting bar 402, which facilitates operation.

In one embodiment, two first lifting mechanisms 4 are provided, and the two lifting mechanisms are arranged at intervals along the length direction of the lifting table plate 2. In one embodiment, two first lifting mechanisms 4 are arranged at intervals along the width direction of the lifting table plate 2, and at this time, the auxiliary supporting frames 8 can be arranged in parallel along the length direction of the lifting table plate 2. The auxiliary stay 8 will be described in detail below.

In one embodiment, a second lifting mechanism 6 is connected between the base 1 and the bottom of the armrest box.

The setting like this can realize the dual regulation of table height through second elevating system 6, improves high accommodation, further satisfies the passenger of more heights and different use scene demands.

In one embodiment, the second lifting mechanism 6 includes a screw-nut pair and a drive motor 601 that drives the screw or nut to rotate. The drive motor 601 is fixed to the vehicle body 9. The second lifting mechanism 6 is realized by adopting a screw-nut pair, has self-locking property, can keep the current position of the lifting table plate 2, prevents falling, improves the reliability of the table plate, and also plays a role in protecting articles arranged on the table plate. In one embodiment, the drive motor 601 employs a brushless motor. The driving motor 601 is connected with the nut to drive the nut to rotate, the top of the screw rod is connected with the base 1, the nut rotates to drive the screw rod to lift, and accordingly the base 1, the lifting table plate 2 and the telescopic table plate assembly 3 on the base are driven to lift.

In one embodiment, the lifting table board comprises a box body 7 with an open top, the box body 7 is suitable for being contained in an armrest box, the lifting table board 2 and the telescopic table board assembly 3 are arranged in the box body 7, the base 1 is arranged in the box body 7, or the base 1 and the bottom plate of the box body 7 are integrally arranged.

By the arrangement, under the condition that the desk plate is not used, the lifting desk plate 2 and the telescopic desk plate assembly 3 can be contained in the box body 7, and the box body 7 can protect all parts in the desk plate.

In one embodiment, a foldable auxiliary supporting frame 8 is arranged between the base 1 and the lifting table plate 2, and the auxiliary supporting frame 8 and the first lifting mechanism 4 are arranged in parallel.

Through setting up auxiliary stay 8, can play auxiliary stay effect to lifting table 2 and the flexible table subassembly 3 that is located lifting table 2, improve lifting table 2 and flexible table subassembly 3's stability and bearing capacity.

In one embodiment, the auxiliary support frame 8 comprises a link assembly rotatably connected, one end of the link assembly is rotatably connected to the bottom of the lifting table 2, and the other end of the link assembly is rotatably connected to the base 1.

The auxiliary support frame 8 adopts a connecting rod assembly, can adapt to any height adjustment of the first lifting mechanism 4, and has a simple structure, practicality and reliability.

According to an embodiment of the present invention, on the other hand, there is also provided an automobile, including a seat located in a rear row and an automobile rear row table according to any one of the above technical solutions, wherein an armrest box is provided between adjacent seats; the automobile back row desk plate is arranged in the armrest box.

Because the automobile comprises the automobile back row desk plate, the automobile back row desk plate has the same effect as the automobile back row desk plate, and the description is omitted here.

When the lifting table is used, the armrest box is opened, the lifting table plate 2 can be lifted by the first lifting mechanism 4, and the telescopic table plate assembly 3 is lifted together with the lifting table plate 2. When the lifting table plate 2 or the telescopic table plate assembly 3 is lifted to a proper height, the adjusting bolts are screwed tightly to fix the lifting table plate 2. When the first lifting mechanism 4 is lifted to the limit height and the use requirement of passengers cannot be met, the second lifting mechanism 6 can be started electrically to lift the lifting table plate 2 and the telescopic table plate assembly 3 to the proper positions, so that the height adjustment is completed. The telescopic table plate assembly 3 is lifted upwards, the second table plate 302 of the telescopic table plate assembly 3 is adjusted to a required angle, the telescopic table plate assembly 3 falls down, locking is achieved through the insertion fit of the limiting block 5021 and the limiting sleeve 5011 and the rotation stopping of the rotation stopping structure 504, and the angle adjustment is completed. The extension and retraction lever 303 is extended to move the second table 302 to the proper position to complete the adjustment of the table. The passenger can freely adjust the height, width and angle of table, and space is utilized to the high efficiency.

When the table plate is not needed, the second table plate 302 is retracted, the telescopic table plate assembly 3 is rotated, the first table plate 301 and the second table plate 302 are adjusted to be overlapped with the lifting table plate 2, the adjusting bolts are unlocked, the lifting table plate 2 and the telescopic table plate assembly 3 are lowered to be contained in the box body 7, the motor of the second lifting mechanism 6 is started, the box body 7 is lowered, the box body 7 is contained in the armrest box, and when the table plate is retracted, the tabletop top cover is level to or lower than the upper surface of the seat, the armrest box cover is covered, the passengers are not hindered, and collision with the passengers can be prevented. Further, a cover plate may be used for covering and a cloth or cushion of the same material as the seat may be used for covering.

Although embodiments of the present invention have been described in connection with the accompanying drawings, various modifications and variations may be made by those skilled in the art without departing from the spirit and scope of the invention, and such modifications and variations fall within the scope of the invention as defined by the appended claims.

Claims (13)

1. An automotive rear row desk board, comprising:

the base (1) is suitable for being connected in an armrest box of the rear row of the automobile;

the lifting table plate (2) is connected to the base (1) through a first lifting mechanism (4);

the telescopic table plate assembly (3), one end of the telescopic table plate assembly (3) is connected to the lifting table plate (2) through a rotary mechanism (5), and the telescopic table plate assembly (3) is suitable for extending towards one side far away from the rotary mechanism (5); the lifting table plate (2) and the telescopic table plate assembly (3) are suitable for being contained in the armrest box.

2. The rear row of table boards of the automobile according to claim 1, characterized in that the swivel mechanism (5) comprises a limiting piece (501) and a swivel piece (502), the limiting piece (501) is arranged on the upper portion of the lifting table board (2), the swivel piece (502) is arranged on the bottom of the telescopic table board assembly (3), the swivel piece (502) is provided with a locking position matched with the limiting piece (501) and an unlocking position separated from the limiting piece (501), and in the unlocking position, the telescopic table board assembly (3) is suitable for rotating.

3. The automobile rear desk board according to claim 2, wherein the limiting piece (501) comprises a limiting sleeve (5011), the rotating piece (502) comprises a limiting block (5021), the limiting block (5021) is in plug connection with the limiting sleeve (5011), and a rotation stopping structure (504) is arranged between the limiting block (5021) and the limiting sleeve (5011).

4. A rear row of automotive desks according to claim 2 or 3, characterized in that a resilient return member (503) is connected between the swivel member (502) and the lifting desk (2), said resilient return member (503) being adapted to apply a resilient force in the plugging direction to the telescopic desk assembly (3) to keep the swivel member (502) in the locked position.

5. The automobile rear row desk board according to claim 1 or 2, wherein the telescopic desk board assembly (3) comprises a first desk board (301) and a second desk board (302) which are arranged in parallel in the same horizontal plane, the first desk board (301) and the lifting desk board (2) are connected in a rotating mode, and the second desk board (302) and the first desk board (301) are connected through a telescopic rod (303).

6. The automobile rear desk board according to claim 1 or 2, wherein the first lifting mechanism (4) comprises a fixed rod (401) and a lifting rod (402), the fixed rod (401) and the lifting rod (402) are connected in a sliding manner, and the fixed rod (401) and the lifting rod (402) are connected in an adjustable manner through an adjusting piece (403).

7. The automobile rear desk board according to claim 6, wherein a threaded hole is formed in the lifting rod (402), the adjusting bolt is arranged in the threaded hole, and the adjusting bolt is suitable for being abutted with the fixing rod (401) to lock the lifting rod (402) and the fixing rod (401).

8. The automobile rear desk board according to claim 7, wherein a sliding groove (404) is arranged on the fixed rod (401), and the adjusting bolt is in abutting connection with the groove bottom of the sliding groove (404) when locked.

9. The automobile rear desk board according to claim 1 or 2, characterized in that a second lifting mechanism (6) is connected between the base (1) and the bottom of the armrest box.

10. The automobile rear desk plate according to claim 1 or 2, further comprising a box body (7) with an open top, wherein the box body (7) is suitable for being contained in the armrest box, the lifting desk plate (2) and the telescopic desk plate assembly (3) are arranged in the box body (7), and the base (1) is arranged in the box body (7), or the base (1) and a bottom plate of the box body (7) are integrally arranged.

11. The automobile rear desk board according to claim 1 or 2, characterized in that a foldable auxiliary supporting frame (8) is arranged between the base (1) and the lifting desk board (2), the auxiliary supporting frame (8) and the first lifting mechanism (4) are arranged in parallel.

12. The rear row of automobile desks according to claim 11, characterized in that the auxiliary supporting frame (8) comprises a connecting rod assembly connected in a rotating way, one end of the connecting rod assembly is connected in a rotating way with the bottom of the lifting desk (2), and the other end of the connecting rod assembly is connected in a rotating way with the base (1).

13. An automobile, comprising:

the seats are positioned at the rear row, and an armrest box is arranged between the adjacent seats;

the automotive rear row tray of any one of claims 1 to 12, being disposed within the armrest box.