CN111152695B

CN111152695B - Multifunctional seat for automobile

Info

Publication number: CN111152695B
Application number: CN202010032596.9A
Authority: CN
Inventors: 常飞鹏
Original assignee: Chen Zengfa
Current assignee: Grammer Vehicle Parts Qingdao Co ltd; Shanghai Jide Technology Co.,Ltd.
Priority date: 2020-01-13
Filing date: 2020-01-13
Publication date: 2021-06-25
Anticipated expiration: 2040-01-13
Also published as: CN111152695A; WO2021142615A1

Abstract

The invention discloses a multifunctional seat for an automobile, which comprises: the front seat is arranged in an automobile and comprises a base, a backrest movably arranged on the base and a front headrest movably arranged on the backrest, the backrest comprises a backrest frame, an upper backrest body and a lower backrest body, the upper backrest body and the lower backrest body are arranged in the backrest frame, the lower end of the upper backrest body is hinged with the upper part of the inner side wall of the backrest frame, and the lower end of the lower backrest body is hinged with the left end of the base, so that the upper backrest body and the lower backrest body can be opened backwards in a mutually far away mode or closed in a mutually close mode in the backrest frame; the backrest frame can be rotated to be folded on the base, the lower backrest body can be rotated back to the base to be straight with the base, a supporting part is arranged on the back of the lower backrest body, and the supporting part is used for supporting the lower backrest body. The multifunctional seat for the automobile mainly comprises a front seat, and both a lower backrest body and an upper backrest body in the front seat can rotate out of a backrest frame, so that the use requirement of a user is met, and the multifunctional performance of the front seat is improved.

Description

Multifunctional seat for automobile

Technical Field

The invention relates to the technical field of automobile accessories, in particular to an automobile multifunctional seat.

Background

With the improvement of living standard of people, the car becomes an important vehicle for people to live and go out, and the car can be used for self-driving travel and long-distance travel. After a long period of driving, the driver may be fatigued and require a proper rest or otherwise present a dangerous hazard. However, the backrest and the front headrest of the conventional car seat are connected together, namely the front headrest is fixed above the backrest, when the backrest of the car seat is opened backwards and then laid down, a certain included angle can be formed between the backrest and the cushion, but the included angle can only reach about 140 degrees to the maximum and cannot be completely laid down, meanwhile, because the front headrest is higher than the backrest by one section, the backrest and the cushion can not be laid down to form a bed due to the fact that the backrest is overlong integrally, a person in the car seat can only lie on the seat for rest in half, the person cannot rest as comfortably as lying on the bed, the comfort level of the person on the car seat is very poor, and because the space of a flat vehicle is limited, feet cannot be spread, and the person does not have comfort level at all when resting. Therefore, there is a need for a multifunctional seat for a vehicle that at least partially solves the problems of the prior art.

Disclosure of Invention

In this summary, concepts in a simplified form are introduced that are further described in the detailed description. This summary of the invention is not intended to identify key features or essential features of the claimed subject matter, nor is it intended to be used as an aid in determining the scope of the claimed subject matter.

To at least partially solve the above problems, the present invention provides a multifunctional seat for a vehicle, comprising:

the front seat is arranged in an automobile and comprises a base, a backrest movably arranged on the base and a front headrest movably arranged on the backrest, wherein the backrest comprises a backrest frame, an upper backrest body and a lower backrest body, the upper backrest body and the lower backrest body are arranged in the backrest frame, the backrest frame is in an inverted U shape, the lower end of the backrest frame is hinged with the left end of the base, the lower end of the upper backrest body is hinged with the upper part of the inner side wall of the backrest frame, and the lower end of the lower backrest body is hinged with the left end of the base, so that the upper backrest body and the lower backrest body can be opened backwards far away from each other or closed close to each other in the backrest frame;

the backrest frame can be rotated to be folded on the base, the lower backrest body can rotate back to the base to be flat with the base, and a supporting part is arranged on the back of the lower backrest body and can be used for supporting the lower backrest body.

Preferably, the method further comprises the following steps:

the rear seat is arranged in an automobile and positioned behind the front seat, the rear seat comprises a rear seat body and a rear back body movably arranged on the rear seat body, the rear back body comprises a rear back plate, two rear back inner bodies arranged in the rear back plate and a plurality of rear headrests arranged at the upper end of the rear back plate, the lower end of the rear back plate is hinged with the left end of the rear seat body, a notch corresponding to the rear back inner body is arranged on the rear back plate, and the lower end of the rear back inner body is hinged with the lower end of the notch, so that the rear back inner body can rotate backwards relative to the rear back plate.

Preferably, the backrest frame comprises two side frames and an upper frame, a curtain is arranged on the side frames in a back-up manner, and the front headrest is rotatably arranged on the upper frame.

Preferably, a shielding groove is formed in the side frame, the shielding curtain is selectively accommodated in the shielding groove, the shielding curtain is of a folding fan type, the shielding curtain comprises two side plates, a plurality of inner support rods and a shielding curtain body, one end of each side plate and one end of each inner support rod are hinged through a rotating shaft, the rotating shaft is connected with the shielding groove, two ends of the shielding curtain body are respectively connected with the two side plates, and the inner support rods are respectively connected with the shielding curtain body.

Preferably, a sliding groove is formed at an end of the blocking groove, a sliding plate is arranged in the sliding groove, a spring is connected to one end of the sliding plate, which is far away from the side frame, and the sliding plate is used for selectively blocking the side plate.

Preferably, a placement groove and a locking mechanism are provided on a back surface of the upper backrest body, the locking mechanism is used for selectively fixing the upper backrest body to the backrest frame, the locking mechanism includes a switch handle and a lock body, the switch handle is provided on the back surface of the upper backrest body, the lock body is provided on a side wall of the upper backrest body, and a lock hole corresponding to the lock body is provided on the backrest frame, and the switch handle is used for starting/closing the lock body.

Preferably, the support part comprises a protruding part arranged on the back surface of the lower backrest body and a U-shaped support rod arranged on the protruding part, and the upper end of the U-shaped support rod is hinged to the side wall of the protruding part in a damping manner.

Preferably, a first groove is formed in the back surface of the lower backrest body, the supporting portion is movably disposed in the first groove, the supporting portion includes a first supporting plate, the upper end of the first supporting plate is hinged to one end, away from the base, of the first groove, and the first supporting plate is clamped in the first groove.

Preferably, a second groove is formed in the back face of the lower backrest body, the supporting portion is movably arranged in the second groove, the supporting portion includes a second supporting plate, the upper end of the second supporting plate is hinged to one end, far away from the base, of the second groove, the second supporting plate is clamped in the second groove, a third groove is formed in the lower end of the second supporting plate, an electric pushing mechanism and a third supporting plate are arranged in the third groove, and the electric pushing mechanism is used for pushing the third supporting plate out of the third groove or containing the third supporting plate into the third groove.

Compared with the prior art, the invention at least comprises the following beneficial effects:

1. the multifunctional automobile seat mainly comprises a front seat, wherein a lower backrest body and an upper backrest body in the front seat can rotate out of a backrest frame, so that the use requirement of a user is met, and the multifunctional performance of the front seat is improved.

Additional advantages, objects, and features of the invention will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the invention.

Drawings

The accompanying drawings, which 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 principles of the invention and not to limit the invention. In the drawings:

fig. 1 is a schematic structural view of a front seat in the multifunctional seat for an automobile according to the present invention.

Fig. 2 is a schematic structural view of the multifunctional seat of the automobile with the front seat opened.

Fig. 3 is a schematic structural view of a rear seat in the multifunctional seat for an automobile according to the present invention.

Fig. 4 is a schematic structural view illustrating the opening of the curtain in the multifunctional seat for an automobile according to the present invention.

Fig. 5 is a top view of the multifunctional seat for vehicle according to the present invention, wherein the backrest frame is folded to the base.

Fig. 6 is a schematic view of a partial structure of a side frame of the multifunctional seat for an automobile according to the present invention.

Fig. 7 is a left side view showing the structure of a front seat in the multifunction seat for a vehicle according to the present invention.

Fig. 8 is a left side view of another structure of a front seat in the multifunction seat for vehicle according to the present invention.

Fig. 9 is a left side view of another structure of a front seat in the multifunction seat for vehicle according to the present invention.

Detailed Description

The present invention is further described in detail below with reference to the drawings and examples so that those skilled in the art can practice the invention with reference to the description.

It will be understood that terms such as "having," "including," and "comprising," as used herein, do not preclude the presence or addition of one or more other elements or groups thereof.

As shown in fig. 1 to 6, the present invention provides a multifunctional seat for a vehicle, comprising:

a front seat 10 disposed in a vehicle, the front seat 10 including a base 11, a backrest 12 movably disposed on the base 11, and a front headrest 13 movably disposed on the backrest 12, the backrest 12 including a backrest frame 121, an upper backrest body 122 disposed in the backrest frame 121, and a lower backrest body 123, the backrest frame 121 having an inverted U shape and a lower end hinged to a left end of the base 11, a lower end of the upper backrest body 122 hinged to an upper portion of an inner sidewall of the backrest frame 121, and a lower end of the lower backrest body 123 hinged to a left end of the base 11, such that the upper backrest body 122 and the lower backrest body 123 may be opened rearward away from each other or closed close to each other in the backrest frame 121;

wherein, the backrest frame 121 can be rotated to be folded on the base 11, the lower backrest body 123 can be rotated back to the base 11 to be straight with the base 11, and a supporting portion 15 is provided on the back of the lower backrest body 123, and the supporting portion 15 can be used for supporting the lower backrest body 123.

The working principle of the technical scheme is as follows: when a user needs to rest, the lower backrest body 123 can be rotated out of the backrest frame 121 and be flat with the base 11, so that the user can put the whole legs on the base of the front seat after the user is seated on the rear seat, and of course, the backrest frame 121 can be rotated to be folded on the base 11, so that the backrest frame 121 does not affect the lying of the user; when the user does not sit on the back seat but does not sit on the driver, the user can rotate the lower backrest body 123 out of the backrest frame 121 and straighten the lower backrest body 123 with the base 11, then the support part 15 supports the lower backrest body 123, the backrest frame 121 of the user can be rotated to be folded on the base 11, and then the legs are placed on the lower backrest body 123 and the base 11, so that the user can sit on the automobile for a flat rest; in addition, when the user lies on the back, the upper backrest body 122 can be rotated out of the backrest frame 121, and the upper backrest body 122 can be used for placing snacks or supporting a mobile phone and a tablet personal computer of the user, so that the use requirement of the user is met.

The beneficial effects of the above technical scheme are that: through the design of the structure, the invention provides a multifunctional seat for an automobile, which mainly comprises a front seat 10, wherein both a lower backrest body 123 and an upper backrest body 122 in the front seat 10 can rotate out of a backrest frame 121, so that the use requirement of a user is met, and the multifunctional performance of the front seat 10 is improved.

In one embodiment, further comprising:

a rear seat 20 disposed in the automobile behind the front seat 10, wherein the rear seat 20 includes a rear seat body 21, and a rear back body 22 movably disposed on the rear seat body 21, the rear back body 22 includes a rear back plate 221, two rear back inner bodies 222 disposed in the rear back plate 221, and a plurality of rear headrests 223 disposed at an upper end of the rear back plate 221, a lower end of the rear back plate 221 is hinged to a left end of the rear seat body 21, a notch 224 corresponding to the rear back inner body 222 is disposed on the rear back plate 221, and a lower end of the rear back inner body 222 is hinged to a lower end of the notch 224, so that the rear back inner body 222 can rotate backward relative to the rear back plate 221.

The working principle of the technical scheme is as follows: in order to further increase the comfort of the user, the rear seat 20 is provided in the embodiment, and is used with the front seat 10, and the rear seat 20 can be used for 2-3 people at ordinary times to meet the basic use requirement; two back inner bodies 222 are provided on the rear seat 20 and a notch 224 is formed, and a lower end of the back inner body 222 is hinged to a lower end of the notch 224, so that the back inner body 222 can rotate backward, so that a user sitting on the rear seat 20 can lie down on the rear seat 20, further increasing the utility of the multifunctional seat for vehicles.

The beneficial effects of the above technical scheme are that: through the design of the structure, the rear seat 20 is provided in the embodiment, and the rear seat 20 is used in combination with the front seat 10, so that the comfort of the user can be improved, and the practicability of the multifunctional seat of the automobile is also improved.

In one embodiment, the backrest frame 121 includes two side frames 124 and an upper frame 125, the side frames 124 are provided with the curtain 30 facing away from each other, and the front headrest 13 is rotatably provided on the upper frame 125.

The working principle of the technical scheme is as follows: when a user wants to lie down in the automobile for rest, the user wants to keep the lower backrest body 123 straight, the lower legs and feet of the user can extend to the base 11 of the front seat through the backrest frame 121, so that the user lies down, but the driver can see the feet of the user, and the driver is not polite, therefore, the shielding curtain 30 is arranged on the side frame 124 in the back direction, the user can open the shielding curtain 30, the sight line of the eyes of the driver can be shielded, and the embarrassment of the user is avoided.

The beneficial effects of the above technical scheme are that: through the design of above-mentioned structure, provide shielding curtain 30 in this embodiment, can provide for the driver and shelter from, avoid the driver to see user's foot, respect the driver, also avoided user's awkwardness.

In one embodiment, a shielding groove 126 is disposed on the side frame 124, the shielding curtain 30 is selectively received in the shielding groove 126, the shielding curtain 30 is of a folding fan type, the shielding curtain 30 includes two side plates 31, a plurality of inner support rods 32, and a shielding curtain body 33, one end of each of the side plates 31 and one end of each of the inner support rods 32 are hinged through a rotating shaft 34, the rotating shaft 34 is connected with the shielding groove 126, two ends of the shielding curtain body 33 are respectively connected with the two side plates 31, and the plurality of inner support rods 32 are respectively connected with the shielding curtain body 33.

The working principle of the technical scheme is as follows: the side frame 124 is provided with a shielding groove 126, and the shielding curtain 30 is hidden in the shielding groove 126 on the side frame 124 when in a closed state, so that the space in the vehicle cannot be occupied; the user rotates the backrest frame 121 to be folded on the base 11 and then opens the curtain 30, in order to facilitate the user to open the curtain 30, the torsion spring 160 is disposed on the rotation shaft 34, the torsion spring 160 is respectively connected to the two side plates 31 to unfold the side plates 31, the two side plates 31 are unfolded and drive the curtain body 33 to unfold, so that the curtain 30 can block the sight of the driver.

The beneficial effects of the above technical scheme are that: through the design of the structure, the specific structure of the shielding curtain 30 is provided in the embodiment, and the structure is arranged on the side frame 124, does not occupy the space in the vehicle, and is convenient to use.

In one embodiment, the end of the blocking slot 126 is provided with a sliding slot 127, a sliding plate 128 is arranged in the sliding slot 127, a spring 129 is connected to one end of the sliding plate 128 far away from the side frame 124, and the sliding plate 128 is used for selectively blocking the side plate 31.

The working principle of the technical scheme is as follows: the user pushes the sliding plate 128 into the sliding slot 127, and the sliding plate 129 compresses the spring 129, so that the sliding plate 128 gradually contacts with the side plate 31, the curtain 30 can be opened, and when the side plate 31 on the curtain 30 rotates to the other end of the shielding slot 126, the sliding plate 128 is blocked by the corresponding sliding plate 128, so that both side plates 31 on the whole curtain 30 can be blocked by the sliding plate 128, and the curtain 30 is in the unfolded state, thereby preventing the driver from seeing the feet of the user.

The beneficial effects of the above technical scheme are that: through the above design, the present embodiment provides the sliding slot 127, the sliding plate 128, and the like, which can fix the side plate 31, so that the curtain 30 is in the unfolded state.

In one embodiment, a placement groove 130 and a locking mechanism 131 are disposed on the back surface of the upper back body 122, the locking mechanism 131 is used for selectively fixing the upper back body 122 to the back frame 121, the locking mechanism 131 includes a switch handle 132 and a lock 133, the switch handle 132 is disposed on the back surface of the upper back body 122, the lock 133 is disposed on a side wall of the upper back body 122, and a lock hole corresponding to the lock 133 is disposed on the back frame 121, and the switch handle 132 is used for actuating/closing the lock 133.

The working principle of the technical scheme is as follows: the user can rotate the upper back body 122 backwards to be flat with the base 11, and the back of the upper back body 122 faces upwards, so that the user can place some snacks in the placing groove 130 arranged on the back of the upper back body 122; in addition, the upper backrest body 122 is provided with a locking mechanism 131, the locking mechanism 131 includes a switch handle 132 and a lock 133, the switch handle 132 is used by a user to actuate/close the lock 133 to fix or separate the upper backrest body 122 and the backrest frame 121, the switch handle 132 and the lock 133 may be connected through mechanical control or electric control, and the detailed principle is not repeated.

The beneficial effects of the above technical scheme are that: with the above-mentioned structure, the placement slot 130 and the locking mechanism 131 are provided in the present embodiment, and the placement slot 130 can be used for placing snacks; the locking mechanism 131 enables fixation or separation between the upper back body 122 and the back frame 121, increasing safety, and further, utility of the front seat 10.

As shown in fig. 5 and 7, in one embodiment, the supporting portion 15 includes a protrusion 151 disposed on the back surface of the lower back body 123, and a U-shaped bracket bar 152 disposed on the protrusion 151, wherein the upper end of the U-shaped bracket bar 152 is hinged to a side wall of the protrusion 151 in a damping manner.

The working principle of the technical scheme is as follows: when the user needs to lie down in the car, the back inner body 222 of the rear seat 20 is rotated backward, and the user's upper body lies on the back body 22 and the back inner body 222; in addition, the backrest frame 121 is rotated toward the base 11, and if the front headrest on the backrest frame 121 interferes with the center console, the user can rotate the front headrest 13 upward onto the upper frame 125; then, the lower back body 123 is rotated toward the rear seat 20 such that the lower back body 123 is placed flat with the base 11 of the front seat 10, and at this time, the user can lie down in the vehicle to have a rest, and in order to support the lower back body 123 well, the user rotates the U-shaped bracket bar 152 downward with respect to the protrusion 151 to contact the bottom surface of the vehicle, thus supporting the user more safely.

The beneficial effects of the above technical scheme are that: through the design of the above structure, the present embodiment provides a specific structure of the supporting portion, which can better support the backrest body 123, and thus, the user can lie down in the automobile for rest.

As shown in fig. 5 and 8, in one embodiment, a first groove 154 is formed on the back surface of the lower back body 123, the supporting portion 15 is movably disposed in the first groove 154, the supporting portion 15 includes a first supporting plate, an upper end of the first supporting plate is hinged to an end of the first groove 154 away from the base 11, and the first supporting plate is clamped in the first groove 154.

The working principle of the technical scheme is as follows: in this embodiment, a first groove 154 is formed in the back surface of the lower back support body 123, the support portion 15 includes a first support plate, the upper end of the first support plate is hinged to one end of the first groove 154 away from the base 11, and the first support plate is clamped in the first groove 154; thus, when the first support plate is accommodated in the first groove 154, the first support plate does not occupy the space in the vehicle and does not affect the getting on or off of the user; when the user rotates the lower back support body 123 to be close to the rear seat 20, the support part 15 is pulled out from the first recess such that the lower end of the support part 15 contacts the floor of the vehicle to support the lower back support body 123, at this time, the user can put the legs extended on the base 11 of the front seat 10 and rotate the back inner body 222 of the rear seat 20 backward, so that the user can lie down even in the two-compartment vehicle.

The beneficial effects of the above technical scheme are that: with the above-described structural design, the present embodiment provides a specific structure of the support portion 15, which is simple, convenient for the user to use, and can provide a comfortable use feeling for the user.

As shown in fig. 5 and 9, in an embodiment, a second groove 155 is disposed on a back surface of the lower backrest body 123, the support portion 15 is movably disposed in the second groove 155, the support portion 15 includes a second support plate, an upper end of the second support plate is hinged to an end of the second groove 155 away from the base 11, the second support plate is clamped in the second groove 155, a third groove 156 is disposed at a lower end of the second support plate, an electric pushing mechanism 157 and a third support plate 158 are disposed in the third groove 156, and the electric pushing mechanism 157 is configured to push the third support plate 158 out of the third groove 156 or receive the third support plate 158 into the third groove 156.

The working principle of the technical scheme is as follows: in the present embodiment, when the lower back body 123 is housed in the back frame 121, it does not occupy the space in the vehicle and does not affect the getting on and off of the user; the support part 15 can be accommodated in the second groove 155, which still does not affect the user sitting on the rear seat 20, and the surface of the support part 15 facing the user can be made into the same color as the lower back body 123, which is also beautiful; the supporting portion 15 is a second supporting plate, a third groove 156 is arranged in the second supporting plate, an electric pushing mechanism 157 and a third supporting plate 158 are arranged in the third groove 156, so that a user can push the third supporting plate 158 out of the third groove 156 by controlling the electric pushing mechanism 157, namely, the length of the whole supporting portion can be adjusted, height adjustment of the diameter of the lower backrest body 123 and the diameter of the bottom surface of the automobile is achieved, so that the user can adjust the lower backrest body 123 to be higher than the base, when the leg of the user is in a semi-telescopic inverted V shape, the lower backrest body 123 can support the lower leg of the user, comfort of the user is improved, and using requirements of the user are met. The user can rotate the back inner body 222 of the rear seat 20 backward so that the user's upper body can lie down even in a two-compartment car.

The beneficial effects of the above technical scheme are that: through the design of the above structure, another kind of the supporting portion 15 is provided in the present embodiment, and at this time, the length of the supporting portion 15 can be adjusted, so as to improve the comfort of the user and meet the use requirements of the user.

It should be noted that the lower backrest body 123 is also provided with a locking mechanism 131 to fix or separate the lower backrest body 123 and the backrest frame 12, and specific details of the distance are not repeated.

In the description of the present invention, it is to be understood that the terms "central," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the invention and to simplify the description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are therefore not to be considered limiting of the invention.

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

While embodiments of the invention have been disclosed above, it is not limited to the applications set forth in the description and the embodiments, which are fully applicable in various fields of endeavor to which the invention pertains, and further modifications may readily be made by those skilled in the art, it being understood that the invention is not limited to the details shown and described herein without departing from the general concept defined by the appended claims and their equivalents.

Claims

1. An automotive multifunction seat, comprising:

a front seat (10) disposed in an automobile, the front seat (10) including a base (11), a backrest (12) movably disposed on the base (11), and a front headrest (13) movably disposed on the backrest (12), the backrest (12) comprises a backrest frame (121), an upper backrest body (122) and a lower backrest body (123) which are arranged in the backrest frame (121), the backrest frame (121) is in an inverted U shape, the lower end of the backrest frame is hinged with the left end of the base (11), the lower end of the upper backrest body (122) is hinged with the upper part of the inner side wall of the backrest frame (121), the lower end of the lower backrest body (123) is hinged with the left end of the base (11), so that the upper back body (122), the lower back body (123) can be opened backwards away from each other or closed close to each other within the back frame (121);

wherein the backrest frame (121) can be rotated to be folded on the base (11), the lower backrest body (123) can be rotated back to the base (11) to be straight with the base (11), and a support part (15) is arranged on the back surface of the lower backrest body (123), and the support part (15) can be used for supporting the lower backrest body (123);

the backrest frame (121) comprises two side frames (124) and an upper frame (125), a shielding curtain (30) is arranged on the back of each side frame (124) in a back-up manner, and the front headrest (13) is rotatably arranged on the upper frame (125);

a shielding groove (126) is formed in the side frame (124), the shielding curtain (30) is selectively contained in the shielding groove (126), the shielding curtain (30) is of a folding fan type, the shielding curtain (30) comprises two side plates (31), a plurality of inner support rods (32) and a shielding curtain body (33), one end of each side plate (31) and one end of each inner support rod (32) are hinged through a rotating shaft (34), the rotating shaft (34) is connected with the shielding groove (126), two ends of the shielding curtain body (33) are respectively connected with the two side plates (31), and the inner support rods (32) are respectively connected with the shielding curtain body (33);

a sliding groove (127) is arranged at the end part of the shielding groove (126), a sliding plate (128) is arranged in the sliding groove (127), a spring (129) is connected to one end, away from the side frame (124), of the sliding plate (128), one end, away from the sliding plate (128), of the spring (129) is connected with the sliding groove, and the sliding plate (128) is used for selectively blocking the side plate (31);

a placement groove (130) and a locking mechanism (131) are arranged on the back surface of the upper backrest body (122), the locking mechanism (131) is used for selectively fixing the upper backrest body (122) on the backrest frame (121), the locking mechanism (131) comprises a switch handle (132) and a lock body (133), the switch handle (132) is arranged on the back surface of the upper backrest body (122), the lock body (133) is arranged on the side wall of the upper backrest body (122), a lock hole corresponding to the lock body (133) is arranged on the backrest frame (121), and the switch handle (132) is used for starting/closing the lock body (133);

the back of the lower backrest body (123) is provided with a second groove (155), the supporting portion (15) is movably arranged in the second groove (155), the supporting portion (15) comprises a second supporting plate, the upper end of the second supporting plate is hinged to one end, far away from the base (11), of the second groove (155), the second supporting plate is clamped in the second groove (155), a third groove (156) is arranged at the lower end of the second supporting plate, an electric pushing mechanism (157) and a third supporting plate (158) are arranged in the third groove (156), and the electric pushing mechanism (157) is used for pushing the third supporting plate (158) out of the third groove (156) or accommodating the third groove (156).

2. The automotive multifunction seat according to claim 1, further comprising:

the rear seat (20) is arranged in an automobile and behind the front seat (10), the rear seat (20) comprises a rear seat body (21) and a rear back body (22) movably arranged on the rear seat body (21), the rear back body (22) comprises a rear back plate (221), two rear back inner bodies (222) arranged in the rear back plate (221) and a plurality of rear headrests (223) arranged at the upper end of the rear back plate (221), the lower end of the rear back plate (221) is hinged with the left end of the rear seat body (21), a notch (224) corresponding to the rear back inner bodies (222) is formed in the rear back plate (221), and the lower end of the rear back inner bodies (222) is hinged with the lower end of the notch (224), so that the rear back inner bodies (222) can rotate backwards relative to the rear back plate (221).

3. The car utility seat according to claim 1, characterized in that the support portion (15) comprises a protrusion (151) provided on the back of the lower back body (123), a U-shaped bracket bar (152) provided on the protrusion (151), and a damped hinge is provided between the upper end of the U-shaped bracket bar (152) and the side wall of the protrusion (151).

4. The multifunctional seat for vehicle according to claim 1, wherein a first groove (154) is provided on the back of the lower backrest body (123), the support portion (15) is movably disposed in the first groove (154), the support portion (15) comprises a first support plate, the upper end of the first support plate is hinged to an end of the first groove (154) far away from the base (11), and the first support plate is clamped in the first groove (154).