CN220884152U - Multifunctional bed table for vehicle - Google Patents

Abstract

The utility model discloses a multifunctional bed table for a vehicle, which comprises a lower support body, wherein an upper support body is arranged at the top of the lower support body, a first side support body and a second side support body are respectively arranged at two adjacent sides of the upper support body, the first side support body is in sliding connection with the upper support body, the second side support body is in sliding connection with the lower support body, and after being unfolded, the first side support body and the second side support body form an L-shaped structure with the upper support body, and the L-shaped structure is arranged on a front seat of the vehicle and is staggered with the position of a steering wheel. The L-shaped structure is positioned above the seat and provided with a larger lying plane, so that a user can provide a sleeping rest place for the vehicle in a static state. The folding type luggage case can be quickly retracted and stored in the luggage case of a cargo box or a car when not in use, adopts a telescopic design scheme, has a simple overall structure, occupies small space, is convenient to use, and greatly improves user experience.

Description

Multifunctional bed table for vehicle

Technical Field

The utility model belongs to the technical field of vehicle tools, and particularly relates to a multifunctional bed table for a vehicle.

Background

With the development of the age, the logistics express industry is rising, medium and small trucks are gradually increased, and most of seats of the trucks are single-row, and no place where a driver can sleep for rest is left, so that more inconvenience is brought to the driver due to the fact that the driver is on the truck for a long time and the place where the driver is lack of sleep for rest. The prior art CN218832389U discloses a multifunctional combined bed for a vehicle, which comprises a first plate body, a second plate body, a third plate body, a fourth plate body and a fifth plate body, wherein a first splicing structure is arranged between the first plate body and the second plate body, and a second splicing structure is arranged between the second plate body and the third plate body; a third splicing structure is arranged between the third plate body and the fourth plate body, a first connecting structure is arranged between the fifth plate body and the second plate body, a second connecting structure is arranged between the fifth plate body and the fourth plate body, and the first connecting structure and the second connecting structure are respectively located on two adjacent sides of the fifth plate body. The multifunctional combined bed for the vehicle is arranged on a front seat of an automobile, provides a sleeping rest place for a user when the vehicle is in a static state, but has a complex overall structure, and is complex in splicing process, so that user experience is affected.

Disclosure of utility model

The utility model aims to provide a multifunctional bed table for a vehicle, which is used for solving the problems in the prior art.

In order to achieve the above purpose, the present utility model adopts the following technical scheme: the utility model provides a multifunctional bed table for vehicle, includes the lower support body, the lower support body top is equipped with the supporter, the adjacent both sides of going up the supporter are equipped with first side supporter and second side supporter respectively, first side supporter and last supporter sliding connection, second side supporter and lower support body sliding connection, first side supporter and second side supporter form L shape structure with last supporter after expanding, and L shape structure sets up on the automobile front seat and staggers with the position of steering wheel.

As an optional implementation manner of the above technical scheme, the first side support body comprises a first side support bar and a plurality of first side telescopic tubes, one ends of the plurality of first side telescopic tubes are connected with the first side support bar, and the other ends of the plurality of first side telescopic tubes are connected with the upper support body in a sliding manner.

As an optional implementation manner of the above technical scheme, the upper support body comprises a plurality of upper support tubes, the upper support tubes are fixed on the lower support body, and one end of the first side telescopic tube is movably inserted into the upper support tubes.

As an optional implementation manner of the above technical scheme, the first side telescopic tube comprises a first tube body and a second tube body which are mutually sleeved, one end of the first tube body is connected with the first side supporting bar, and one end of the second tube body is in sliding connection with the upper supporting body.

As an optional implementation manner of the above technical scheme, the second side supporting body comprises a second side supporting bar and a plurality of second side telescopic tubes, one ends of the second side telescopic tubes are connected with the second side supporting bar, and the other ends of the second side telescopic tubes are connected with the lower supporting body in a sliding manner.

As an optional implementation manner of the above technical solution, the lower support body includes a plurality of lower support tubes, and one end of the second side telescopic tube is movably inserted into the lower support tubes.

As an optional implementation manner of the above technical solution, an inclined support bar is arranged between the second side support bar and the lower support body, a mounting position is arranged on the inclined support bar, a reinforcing tube parallel to the upper support tube is mounted on the mounting position, and a fixing structure is arranged between the reinforcing tube and the second side telescopic tube; the fixing structure comprises a fixing column and a fixing hole, the fixing column is arranged on the reinforcing pipe, and the fixing hole is arranged on the second side telescopic pipe; the bottom of the lower support body is slidably provided with a fixing strip, a first clamping hook is arranged on the fixing strip, and a second clamping hook matched with the first clamping hook is arranged on the reinforcing pipe.

As an optional implementation manner of the technical scheme, a limiting clamping groove is formed in a gap between two adjacent upper supporting tubes, and the limiting clamping groove is used for accommodating the inclined supporting bars and the reinforcing tubes.

As an optional implementation manner of the above technical scheme, a reinforced folding bracket is arranged at the bottom of the lower support body, and a supporting bottom plate is rotatably arranged at the bottom of the reinforced folding bracket.

As an optional implementation manner of the above technical solution, a lower folding bracket is disposed at the bottom of the lower support body, a first side folding bracket is disposed at the bottom of the first side support body, and a second side folding bracket is disposed at the bottom of the second side support body.

As an optional implementation manner of the above technical scheme, the first side folding bracket comprises a first side folding bracket body, the first side folding bracket body is connected with a first side supporting body through a rotating shaft, a first diagonal brace is arranged between the first side folding bracket body and the first side supporting body, and a first spring bolt for fixing the first diagonal brace is arranged on the first side supporting body.

As an optional implementation manner of the above technical scheme, a first left sleeve and a first right sleeve with different heights are arranged at the bottom of the first side folding frame body, the first left sleeve and the first right sleeve are respectively and movably connected with a first left telescopic support leg and a first right telescopic support leg, and the first left telescopic support leg and the first right telescopic support leg are fixed through bolts.

As an optional implementation manner of the above technical scheme, the second side folding bracket comprises a second side folding bracket body, the second side folding bracket body is connected with a second side supporting body through a rotating shaft, a second diagonal brace is arranged between the second side folding bracket body and the second side supporting body, and a second spring bolt for fixing the second diagonal brace is arranged on the second side supporting body.

As an optional implementation manner of the above technical scheme, the bottom of the second side folding frame body is provided with a second left sleeve and a second right sleeve which are the same in height, the second left sleeve and the second right sleeve are respectively and movably connected with a second left telescopic support leg and a second right telescopic support leg, and the second left telescopic support leg and the second right telescopic support leg are fixed through bolts.

As an optional implementation manner of the above technical scheme, the lower folding bracket comprises a lower folding bracket body, the lower folding bracket body is connected with a lower supporting body through a rotating shaft, a third diagonal brace is arranged between the lower folding bracket body and the lower supporting body, and a third spring bolt for fixing the third diagonal brace is arranged on the lower supporting body.

As an optional implementation manner of the above technical scheme, a third left sleeve and a third right sleeve with different heights are arranged at the bottom of the lower folding frame body, the third left sleeve and the third right sleeve are respectively and movably connected with a third left telescopic support leg and a third right telescopic support leg, and the third left telescopic support leg and the third right telescopic support leg are fixed through bolts.

As an optional implementation manner of the above technical scheme, the bottoms of the lower support body and the first side support body are detachably connected with rollers.

As an optional implementation manner of the above technical solution, the roller includes a mounting seat and a wheel body, the wheel body is mounted on the mounting seat, and the mounting seat is provided with a fixing plugboard; the bottom of lower support body and first side support body all is equipped with the fixing base, be equipped with on the fixing base with the spacing slot of fixed picture peg adaptation, the fixing base is furnished with and is used for fixing the fourth spring bolt of fixed picture peg.

As an alternative implementation manner of the above technical solution, the lower support body is rotatably provided with a trailer rod.

As an optional implementation manner of the technical scheme, the trailer rod comprises a T-shaped telescopic rod, one end of the T-shaped telescopic rod is rotationally connected with the lower support body through a pin shaft, a pin hole is formed in the other end of the T-shaped telescopic rod, a spring bolt is arranged in the pin hole, and the T-shaped telescopic rod is fixed on the lower support body through the spring bolt.

The beneficial effects of the utility model are as follows:

The utility model provides a multifunctional bed table for a vehicle, wherein an upper support body can be used as a table plate, and after being unfolded, a first side support body and a second side support body form an L-shaped structure with the upper support body. The folding type luggage case can be quickly retracted and stored in the luggage case of a cargo box or a car when not in use, adopts a telescopic design scheme, has a simple overall structure, occupies small space, is convenient to use, and greatly improves user experience.

Drawings

FIG. 1 is a schematic view showing a front structure of a multifunctional bed table for a vehicle in a retracted state according to an embodiment of the present utility model;

FIG. 2 is a schematic view showing a back structure of the multifunctional bed table for vehicles in a retracted state according to an embodiment of the present utility model;

FIG. 3 is a schematic front view showing a lower folding leg, a first side folding leg and a second side folding leg of the multifunctional bed-table for vehicles according to an embodiment of the present utility model in an unfolded state;

FIG. 4 is a schematic view showing a rear structure of a lower folding leg, a first side folding leg, and a second side folding leg of a multi-functional bed table for vehicles according to an embodiment of the present utility model in an unfolded state;

FIG. 5 is a schematic view showing a structure in which a first side support body of a multifunctional bed table for a vehicle is in an unfolded state according to an embodiment of the present utility model;

FIG. 6 is a view showing a state where the reinforcing tube is not installed in the multifunctional bed table for vehicles according to an embodiment of the present utility model;

FIG. 7 is a schematic front view showing a structure in which a first side supporter and a second side supporter are unfolded in a multi-functional bed table for vehicles according to an embodiment of the present utility model;

FIG. 8 is a schematic view showing a back structure of a lower folding leg, a first side supporting body, a second side supporting body and a reinforcing folding leg in an unfolded state in a multi-functional bed table for vehicles according to an embodiment of the present utility model;

FIG. 9 is a view showing a state of use of the multifunctional bed table for a vehicle as a trailer in one embodiment of the present utility model;

FIG. 10 is a view showing a state of use of the multifunctional bed table for a vehicle as a bed according to an embodiment of the present utility model;

FIG. 11 is a schematic view of the construction of a first side telescoping tube and a trailer hitch in accordance with one embodiment of the present utility model;

FIG. 12 is a schematic view of the internal structure of the first side telescoping tube and the trailer hitch bar in one embodiment of the present utility model;

FIG. 13 is a schematic view of the construction of a first diagonal brace in an embodiment of the utility model;

FIG. 14 is a schematic view of the construction of a diagonal brace bar in an embodiment of the utility model;

FIG. 15 is a schematic view of the structure of a reinforcing tube in one embodiment of the present utility model;

FIG. 16 is a schematic view of the structure of a fixing strip according to an embodiment of the present utility model;

FIG. 17 is a schematic view of the structure of a caster in an embodiment of the present utility model;

FIG. 18 is a schematic view of the structure of an orientation wheel in one embodiment of the utility model;

FIG. 19 is a schematic view of a fixing base according to an embodiment of the present utility model;

Fig. 20 is a schematic view of the structure of a trailer lever in one embodiment of the utility model.

In the figure: 1-a lower support; 2-an upper support; 3-a first side support; 4-a second side support; 5-a first side support bar; 6-a first side extension tube; 7-upper support tube; 8-a first tube; 9-a second tube; 10-a second side support bar; 11-a second side telescoping tube; 12-lower support tube; 13-oblique support bars; 14-reinforcing the tube; 15-reinforcing a folding scaffold; 16-a supporting base plate; 17-lower folding support; 18-a first side folding leg; 19-a second side folding leg; 20-rolling wheels; 21-a mounting base; 22-universal wheels; 23-fixing the plugboard; 24-fixing seat; 25-limiting slots; 26-fourth spring bolt; 27-a trailer bar; 28-T-shaped telescopic rod; 29-pin holes; 30-a first diagonal brace; 31-an orientation wheel; 32-fixing strips; 33-a first hook; 34-a second hook; 35-mounting position; 36-fixing the column; 37-slot.

Detailed Description

Examples

As shown in fig. 1-20, the embodiment provides a multifunctional bed table for a vehicle, which can be used as a bed or a table, is mainly applied to truck types when being used as a bed, and can also be applied to sedan types and the like. To increase comfort, the user may lay a mattress on the bed table.

As shown in fig. 1 to 4, in particular, the multifunctional bed table includes a lower support body 1, an upper support body 2 is provided on the top of the lower support body 1, and the lower support body 1 supports the upper support body 2. The adjacent both sides of going up supporter 2 are equipped with first side supporter 3 and second side supporter 4 respectively, first side supporter 3 and last supporter 2 sliding connection, second side supporter 4 and lower supporter 1 sliding connection, hide in last supporter 2 inboard after the shrink of first side supporter 3, hide in lower supporter 1 inboard after the shrink of second side supporter 4, go up supporter 2 and can regard as the table to use, its overall structure is small and exquisite, conveniently carries. As shown in fig. 10, the first side supporting body 3 and the second side supporting body 4 form an L-shaped structure with the upper supporting body 2 after being unfolded, and when the bed is used as a bed, the L-shaped structure is positioned above a seat and is staggered from the position of a steering wheel, so that a larger lying plane is provided, and a sleeping rest place of a vehicle in a static state is provided for a user.

The folding type luggage case can be quickly retracted and stored in the luggage case of a cargo box or a car when not in use, adopts a telescopic design scheme, has a simple overall structure, occupies small space, is convenient to use, and greatly improves user experience.

The second side support bar 10 is attached to the interior surface of the vehicle at a side close to the interior surface, and the side shape thereof can be designed according to the interior surface of the vehicle. One side of the upper support body 2 is attached to the secondary driving seat back, and the side shape of the upper support body can be correspondingly designed according to the secondary driving seat back.

As shown in fig. 5 to 8, in this embodiment, the first side supporting body 3 includes a first side supporting bar 5 and a plurality of first side telescopic tubes 6, the plurality of first side telescopic tubes 6 are parallel to each other, one ends of the plurality of first side telescopic tubes 6 are connected to the first side supporting bar 5, and the other ends of the plurality of first side telescopic tubes 6 are slidably connected to the upper supporting body 2.

The upper support body 2 comprises a plurality of upper support pipes 7, the plurality of upper support pipes 7 are parallel to each other, the upper support pipes 7 are fixed on the lower support body 1, and one end of the first side telescopic pipe 6 is movably inserted into the upper support pipes 7. The first side telescopic tube 6 can slide telescopically along the upper support tube 7, thereby expanding and contracting the first side support body 3.

As shown in fig. 11 and 12, preferably, the first side telescopic tube 6 includes a first tube body 8 and a second tube body 9 that are sleeved with each other, one end of the first tube body 8 is connected with the first side support bar 5, and one end of the second tube body 9 is slidably connected with the upper support body 2. Go up stay tube 7, first body 8 and second body 9 and be rectangular pipe, first body 8 cover is established in second body 9, and first body 8 can slide along second body 9 and can not break away from second body 9, and second body 9 cover is established in last stay tube 7, and second body 9 can slide along last stay tube 7 and can not break away from stay tube 7.

As shown in fig. 5 and 6, in the present embodiment, the second side supporting body 4 includes a second side supporting bar 10 and a plurality of second side telescopic tubes 11, the plurality of second side telescopic tubes 11 are parallel to each other, one ends of the plurality of second side telescopic tubes 11 are connected to the second side supporting bar 10, and the other ends of the plurality of second side telescopic tubes 11 are slidably connected to the lower supporting body 1.

As shown in fig. 7 and 8, the lower support body 1 includes a plurality of lower support tubes 12, the plurality of lower support tubes 12 are parallel to each other, the lower support tube 12 is perpendicular to the upper support tube 7, and one end of the second side telescopic tube 11 is movably inserted into the lower support tube 12. The second side telescopic tube 11 can slide telescopically along the lower support tube 12, thereby expanding and contracting the second side support body 4.

As shown in fig. 6 and 7, in order to improve the stability of the second side supporting body 4 and increase the area of the bed table, an inclined supporting bar 13 is provided between the second side supporting bar 10 and the lower supporting body 1. As shown in fig. 14 and 15, two ends of the inclined support bar 13 are respectively connected with the second side support bar 10 and the lower support body 1 in a buckling manner, a mounting position 35 is arranged on the inclined support bar 13, the mounting position 35 is provided with a reinforcing tube 14 which is parallel to the upper support tube 7, and a fixing structure is arranged between the reinforcing tube 14 and the second side telescopic tube 11; the fixing structure comprises a fixing column 36 and a fixing hole, wherein the fixing column 36 is arranged on the reinforcing pipe 14, and the fixing hole is arranged on the second side telescopic pipe 11. The lower support tube 12, the second side telescopic tube 11 and the reinforcing tube 14 are rectangular tubes, the reinforcing tube 14 can be used selectively according to the requirement, and after a plurality of reinforcing tubes 14 are paved, the reinforcing tube 14 is flush with the upper support tube 7, so that a flat surface is formed.

As shown in fig. 16, a fixing strip 32 is slidably disposed at the bottom of the lower support body 1, a first hook 33 is disposed on the fixing strip 32, and a second hook 34 adapted to the first hook 33 is disposed on the reinforcing tube 14. The second hooks 34 are disposed at both ends of the reinforcing tube 14, and the reinforcing tube 14 is fixed by two fixing strips 32. The spacing draw-in groove is formed in the clearance between two adjacent upper stay tubes 7, and a plurality of spacing draw-in grooves are used for accomodating oblique support bar 13 and stiffening tube 14 respectively.

As shown in fig. 1, when the diagonal support bar 13 and the reinforcing pipe 14 are not in use, they are received in the spacing clip groove between the adjacent two upper support pipes 7 and are flush with the surfaces of the upper support pipes 7. The inserting piece can be arranged in the limiting clamping groove and connected with the upper supporting pipe 7, the inserting groove 37 is formed in the inclined supporting bar 13, the inclined supporting bar 13 is firstly placed in the limiting clamping groove, then the inclined supporting bar 13 is slid, the inserting piece is inserted into the inserting groove 37, then the inclined supporting bar 13 is limited by using the spring bolt, and the inclined supporting bar 13 is prevented from sliding out of the limiting clamping groove. After the plurality of reinforcing pipes 14 are stored in the limiting clamping grooves, the plurality of first clamping hooks 33 and the plurality of second clamping hooks 34 are mutually buckled through the sliding fixing strips 32, so that the plurality of reinforcing pipes 14 are fixed and stored, and after the fixing strips 32 slide to a proper position, the fixing strips are fixed through the spring bolts.

As shown in fig. 8, in this embodiment, a reinforced folding bracket 15 is provided at the bottom of the lower support body 1, the reinforced folding bracket 15 is fixed by a spring bolt, and a supporting bottom plate 16 is rotatably provided at the bottom of the reinforced folding bracket 15. The support base plate 16 is unfolded to contact with the seat, so that the contact area is increased, and the stability of the multifunctional bed table is improved.

The bottom of the lower support body 1 is provided with a lower folding bracket 17, the bottom of the first side support body 3 is provided with a first side folding bracket 18, and the bottom of the second side support body 4 is provided with a second side folding bracket 19. The lower folding bracket 17 and the first side folding bracket 18 are arranged oppositely, and after the lower folding bracket 17, the first side folding bracket 18 and the second side folding bracket 19 are unfolded, the multifunctional bed table can be used as a table or a stool. When the multifunctional bed table is used as a bed, the reinforced folding support 15, the lower folding support 17, the first side folding support 18 and the second side folding support 19 are all in an unfolding state, the bottoms of the lower folding support 17, the first side folding support 18 and the second side folding support 19 are in plane contact with the inside of a vehicle, the lower support body 1, the first side support body 3 and the second side support body 4 are in a suspended state, and the support bottom plate 16 is in contact with a seat after being unfolded, so that the using area of the bed and the stability of the bed can be effectively increased.

The first side folding bracket 18 includes a first side folding bracket body, where the first side folding bracket body is connected with the first side support body 3 through a rotating shaft, as shown in fig. 13, a first diagonal brace 30 is disposed between the first side folding bracket body and the first side support body 3, and a first spring bolt for fixing the first diagonal brace 30 is disposed on the first side support body 3. The bottom of first side folding support body is equipped with the first left sleeve and the first right sleeve of difference in height to adapt to the uneven surface in the car, first left sleeve and first right sleeve swing joint have first left flexible stabilizer blade and first right flexible stabilizer blade respectively, first left flexible stabilizer blade and first right flexible stabilizer blade are all fixed through the spring bolt, set up the bevel connection on first left sleeve and/or the first right sleeve, be favorable to pulling out first left flexible stabilizer blade or first right flexible stabilizer blade.

The second side folding bracket 19 comprises a second side folding bracket body, the second side folding bracket body is connected with the second side supporting body 4 through a rotating shaft, a second diagonal brace is arranged between the second side folding bracket body and the second side supporting body 4, and a second spring bolt for fixing the second diagonal brace is arranged on the second side supporting body 4. The bottom of second side folding support body is equipped with the left sleeve of the same second of height and the right sleeve of second, the flexible stabilizer blade in the left side of second and the flexible stabilizer blade in the right of second sleeve swing joint respectively have the flexible stabilizer blade in the left of second and the flexible stabilizer blade in the right of second, flexible stabilizer blade in the left of second and the flexible stabilizer blade in the right of second are all fixed through the spring bolt.

The lower folding bracket 17 comprises a lower folding bracket body, the lower folding bracket body is connected with the lower supporting body 1 through a rotating shaft, a third diagonal brace is arranged between the lower folding bracket body and the lower supporting body 1, and a third spring bolt for fixing the third diagonal brace is arranged on the lower supporting body 1. The bottom of lower folding support body is equipped with the left sleeve of third and the right sleeve of difference in height, the flexible stabilizer blade in the left side of third and the flexible stabilizer blade in the right side of third sleeve and third, the flexible stabilizer blade in the left side of third and the flexible stabilizer blade in the right side of third are respectively swing joint, the flexible stabilizer blade in the left side of third and the flexible stabilizer blade in the right side of third is all fixed through the spring bolt. And the third left sleeve and/or the third right sleeve are/is provided with inclined openings, so that the third left telescopic support leg or the third right telescopic support leg can be pulled out conveniently.

As shown in fig. 2, in this embodiment, the bottom of the lower support body 1 and the bottom of the first side support body 3 are detachably connected with rollers 20. The roller 20 may facilitate movement of the entire multi-function table, and in addition, the multi-function table may be used to carry items. As shown in fig. 17 and 18, specifically, the roller 20 includes a mounting base 21 and a wheel body, the wheel body is mounted on the mounting base 21, and the mounting base 21 is provided with a fixing insert plate 23; the bottoms of the lower support body 1 and the first side support body 3 are respectively provided with a fixed seat 24. As shown in fig. 19, the fixing base 24 is provided with a limiting slot 25 adapted to the fixing board 23, and the fixing base 24 is provided with a fourth spring bolt 26 for fixing the fixing board 23. The fixed plugboard 23 is inserted into the limit slot 25, and then the fixed plugboard 23 is fixed through the fourth spring bolt 26, so that the roller 20 can be quickly installed. The wheel body can adopt universal wheels 22 or directional wheels 31, generally, two universal wheels 22 are arranged at the bottom of the lower support body 1, two directional wheels 31 are arranged at the bottom of the first side support body 3, the universal wheels 22 are rotatably mounted on the mounting seat 21, and the directional wheels 31 are fixedly mounted on the mounting seat 21.

As shown in fig. 3, 5, 7, 9 and 20, in this embodiment, the lower support body 1 is rotatably provided with a trailer rod 27, and the upper support body 2 is moved by the trailer rod 27, so that the multifunctional bed table is changed into a trailer. In particular, the said trailer bar 27 comprises a T-shaped telescopic bar 28, the T-shaped telescopic bar 28 adopting a similar structure to the first side telescopic tube 6, which can be telescopically moved without being mutually disengaged. One end of the T-shaped telescopic rod 28 is rotatably connected with the lower support body 1 through a pin shaft, a pin hole 29 is formed in the other end of the T-shaped telescopic rod 28, a spring bolt is arranged in the pin hole 29, and the T-shaped telescopic rod 28 is fixed on the lower support body 1 through the spring bolt. The multifunctional bench has the functions of a bed, a stool, a small table, a strip table and a cart, all parts are integrally stored, different use scene requirements can be met, and the multifunctional bench has high use and popularization values.

The scope of the present utility model is not limited to the above-described specific embodiments, and embodiments which can be suggested to those skilled in the art without inventive effort according to the basic technical concept of the present utility model are all within the scope of the present utility model.

Claims (10)

1. The utility model provides a multifunctional bed table for vehicle, includes lower support body (1), lower support body (1) top is equipped with support body (2), its characterized in that, the adjacent both sides of going up support body (2) are equipped with first side support body (3) and second side support body (4) respectively, first side support body (3) and last support body (2) sliding connection, second side support body (4) and lower support body (1) sliding connection, first side support body (3) and second side support body (4) form L shape structure with last support body (2) after expanding, L shape structure sets up on the automobile front seat and stagger with the position of steering wheel.

2. The multifunctional bed table for vehicles according to claim 1, wherein the first side supporting body (3) comprises a first side supporting bar (5) and a plurality of first side telescopic tubes (6), one ends of the plurality of first side telescopic tubes (6) are connected with the first side supporting bar (5), and the other ends of the plurality of first side telescopic tubes (6) are connected with the upper supporting body (2) in a sliding manner.

3. The multifunctional bed table for vehicles according to claim 2, wherein the upper supporting body (2) comprises a plurality of upper supporting tubes (7), the upper supporting tubes (7) are fixed on the lower supporting body (1), and one end of the first side telescopic tube (6) is movably inserted into the upper supporting tubes (7).

4. A multifunctional bed table for vehicles according to claim 3, characterized in that the first side telescopic tube (6) comprises a first tube body (8) and a second tube body (9) which are mutually sleeved, one end of the first tube body (8) is connected with the first side supporting bar (5), and one end of the second tube body (9) is in sliding connection with the upper supporting body (2).

5. A multifunctional bed table for vehicles according to claim 3, characterized in that the second side supporting body (4) comprises a second side supporting bar (10) and a plurality of second side telescopic tubes (11), one ends of the second side telescopic tubes (11) are connected with the second side supporting bar (10), and the other ends of the second side telescopic tubes (11) are connected with the lower supporting body (1) in a sliding manner; the lower support body (1) comprises a plurality of lower support pipes (12), and one end of the second side telescopic pipe (11) is movably inserted into the lower support pipes (12).

6. The multifunctional bed table for the vehicle according to claim 5, wherein an inclined supporting bar (13) is arranged between the second side supporting bar (10) and the lower supporting body (1), two ends of the inclined supporting bar (13) are respectively connected with the second side supporting bar (10) and the lower supporting body (1) in a buckling manner, an installation position (35) is arranged on the inclined supporting bar (13), a reinforcing pipe (14) parallel to the upper supporting pipe (7) is installed on the installation position (35), and a fixing structure is arranged between the reinforcing pipe (14) and the second side telescopic pipe (11); the fixing structure comprises a fixing column (36) and a fixing hole, the fixing column (36) is arranged on the reinforcing pipe (14), and the fixing hole is arranged on the second side telescopic pipe (11); the bottom of the lower support body (1) is provided with a fixing strip (32) in a sliding manner, the fixing strip (32) is provided with a first clamping hook (33), and the reinforcing pipe (14) is provided with a second clamping hook (34) which is matched with the first clamping hook (33); the clearance between two adjacent upper supporting pipes (7) forms a limiting clamping groove which is used for accommodating the inclined supporting strips (13) and the reinforcing pipes (14).

7. The multifunctional bed table for vehicles according to claim 1, characterized in that the bottom of the lower support body (1) is provided with a reinforced folding bracket (15), and the bottom of the reinforced folding bracket (15) is rotatably provided with a supporting bottom plate (16).

8. The multifunctional bed table for vehicles according to claim 1, characterized in that the bottom of the lower support body (1) is provided with a lower folding bracket (17), the bottom of the first side support body (3) is provided with a first side folding bracket (18), and the bottom of the second side support body (4) is provided with a second side folding bracket (19); the first side folding bracket (18) comprises a first side folding bracket body, the first side folding bracket body is connected with a first side supporting body (3) through a rotating shaft, a first diagonal brace (30) is arranged between the first side folding bracket body and the first side supporting body (3), and a first spring bolt for fixing the first diagonal brace (30) is arranged on the first side supporting body (3); the bottom of the first side folding frame body is provided with a first left sleeve and a first right sleeve with different heights, the first left sleeve and the first right sleeve are respectively and movably connected with a first left telescopic support leg and a first right telescopic support leg, and the first left telescopic support leg and the first right telescopic support leg are fixed through bolts;

The second side folding bracket (19) comprises a second side folding bracket body, the second side folding bracket body is connected with a second side supporting body (4) through a rotating shaft, a second diagonal brace is arranged between the second side folding bracket body and the second side supporting body (4), and a second spring bolt for fixing the second diagonal brace is arranged on the second side supporting body (4); the bottom of the second side folding frame body is provided with a second left sleeve and a second right sleeve which are the same in height, the second left sleeve and the second right sleeve are respectively and movably connected with a second left telescopic support leg and a second right telescopic support leg, and the second left telescopic support leg and the second right telescopic support leg are fixed through bolts;

The lower folding bracket (17) comprises a lower folding bracket body, the lower folding bracket body is connected with a lower supporting body (1) through a rotating shaft, a third diagonal brace is arranged between the lower folding bracket body and the lower supporting body (1), and a third spring bolt for fixing the third diagonal brace is arranged on the lower supporting body (1); the bottom of lower folding support body is equipped with the left sleeve of third and the right sleeve of difference in height, the flexible stabilizer blade in the left side of third and the flexible stabilizer blade in the right side of third sleeve and third, the flexible stabilizer blade in the left side of third and the flexible stabilizer blade in the right side of third are respectively swing joint, the flexible stabilizer blade in the left side of third and the flexible stabilizer blade in the right side of third is all fixed through the bolt.

9. The multifunctional bed table for vehicles according to claim 1, characterized in that the bottoms of the lower support body (1) and the first side support body (3) are detachably connected with rollers (20); the roller (20) comprises a mounting seat (21) and a roller body, wherein the roller body is mounted on the mounting seat (21), and the mounting seat (21) is provided with a fixed plugboard (23); the bottom of lower support body (1) and first side support body (3) all is equipped with fixing base (24), be equipped with on fixing base (24) with spacing slot (25) of fixed picture peg (23) adaptation, fixing base (24) are furnished with and are used for fixing fourth spring bolt (26) of fixed picture peg (23).

10. The multifunctional bed table for vehicles according to claim 1, characterized in that the lower support body (1) is rotatably provided with a trailer lever (27); the trailer rod (27) comprises a T-shaped telescopic rod (28), one end of the T-shaped telescopic rod (28) is rotationally connected with the lower support body (1) through a pin shaft, a pin hole (29) is formed in the other end of the T-shaped telescopic rod (28), a spring bolt is arranged in the pin hole (29), and the T-shaped telescopic rod (28) is fixed on the lower support body (1) through the spring bolt.