CN114098334A

CN114098334A - Multifunctional seat for 4D cinema

Info

Publication number: CN114098334A
Application number: CN202111504988.1A
Authority: CN
Inventors: 金锦华; 钱益锋
Original assignee: Ningbo Shengli Yinghua Culture Media Co ltd
Current assignee: Ningbo Shengli Yinghua Culture Media Co ltd
Priority date: 2021-12-10
Filing date: 2021-12-10
Publication date: 2022-03-01

Abstract

The invention relates to the technical field of cinema accessories, in particular to a multifunctional seat for a 4D cinema, wherein when the multifunctional seat is used, a back support can be automatically lifted when a user sits on the seat, so that a viewer can not be hindered from watching a film, and a foot support can be automatically extended out, so that the person can not be hindered from walking; the method comprises the following steps: the seat comprises a base plate, wherein two F-shaped plates are fixed on the base plate, a first long strip hole is formed in the vertical section of each F-shaped plate, a first sliding block is arranged in each long strip hole in a sliding mode, a door-shaped fixing plate is fixed on each two first sliding blocks positioned on the same side, a seat main body is fixedly installed on the two fixing plates together, and a second long strip hole is formed in each fixing plate; the bottom plate is fixed with the backup pad, rotates in the backup pad and installs the back shaft, is fixed with the actuating lever on the back shaft, and the one end of actuating lever is fixed with drive shaft one, and the both ends of drive shaft one stretch into respectively to two rectangular hole two insides.

Description

Multifunctional seat for 4D cinema

Technical Field

The invention relates to the technical field of movie theater accessories, in particular to a multifunctional seat for a 4D movie theater.

Background

The 4D cinema is developed from the traditional 3D cinema, and compared with other cinemas, the cinema has the characteristics and advantages of prominent theme, high technological content, vivid effect, strong picture impact and the like. People not only introduce the special effects of vibration, falling, blowing, water spraying, scratching, leg sweeping and the like into the 3D cinema, but also elaborately design the effects of smoke, rain, photoelectricity, bubbles, smell and the like according to the scenes of the films, so that a unique experience is formed, and the special effects are the 4D cinema which is very popular at present.

In the prior art, the seat for the 4D cinema has the following defects: its volume is huge, and the holding surface of back support is great, and when rear viewer height was lower, probably there was the condition that can not observe, and the foot support of 4D seat for the cinema mostly exposes outside simultaneously, causes the viewer to walk the time by the side, the condition that collides with appears easily.

Disclosure of Invention

In order to solve the above technical problems, the present invention provides a multifunctional seat for a 4D cinema, in which a back support is automatically lifted up when a user sits on the seat, so that the viewing of a viewer is not hindered, and a foot support is automatically extended out, so that the walking of the user is not hindered.

The invention provides a multifunctional seat for a 4D cinema, which comprises:

the seat comprises a base plate, wherein two F-shaped plates are fixed on the base plate, a first long strip hole is formed in the vertical section of each F-shaped plate, a first sliding block is arranged in each long strip hole in a sliding mode, a door-shaped fixing plate is fixed on each two first sliding blocks positioned on the same side, a seat main body is fixedly installed on the two fixing plates together, and a second long strip hole is formed in each fixing plate;

a support plate is fixed on the bottom plate, a support shaft is rotatably mounted on the support plate, a drive rod is fixed on the support shaft, a first drive shaft is fixed at one end of the drive rod, and two ends of the first drive shaft respectively extend into the two strip holes II;

the bottom plate is also fixedly provided with two vertical plates, the vertical plates are provided with three long holes, a second sliding block is arranged at each three long holes in a sliding manner, each second sliding block is fixedly provided with a door-shaped connecting plate, and the two connecting plates are fixedly provided with a backrest main body together;

a second driving shaft is fixed between the two second sliding blocks, a strip-shaped driving hole is formed in the other end of the driving rod, and the second driving shaft penetrates through the driving hole;

the backrest main body is hollow, one side of the backrest main body, which is close to the seat main body, is provided with a first cushion, and the backrest further comprises a first driving mechanism for driving the deformation of the waist part of the first cushion;

the foot rest comprises a foot rest main body and a driving mechanism II for driving the foot rest main body to move.

The first driving mechanism further comprises a hollow shaft which is rotatably connected with the backrest main body, a through hole is formed in the hollow shaft, the through hole is sequentially a spiral section and a vertical section I from bottom to top, and the first driving mechanism further comprises a transition plate fixed on the bottom plate, and a third driving shaft penetrating through the through hole is fixed on the transition plate;

the driving shaft III penetrates through the through hole;

a first bevel gear is fixed on the hollow shaft, a first stabilizing plate is fixed on the backrest main body, a first middle shaft is rotatably installed on the first stabilizing plate, a first swing arm and a second bevel gear meshed with the first bevel gear are fixed on the first middle shaft, and a fourth driving shaft is fixed at the other end of the first swing arm;

the first driving mechanism further comprises a second stabilizing plate fixed inside the backrest main body, a push plate is slidably mounted on the stabilizing plate, a top plate with a semicircular cross section is fixed on one side, close to the first cushion, of the push plate, a fourth strip hole is formed in the push plate, and the fourth driving shaft penetrates through the fourth strip hole.

Furthermore, the second driving mechanism comprises two rails fixed on the bottom plate, a third sliding block is slidably mounted on the rails, special-shaped plates are fixed at two ends of the third sliding block, special-shaped holes are formed in the special-shaped plates, and each special-shaped hole comprises a vertical section II and an arc-shaped section;

the foot rest main body is fixed on the two special-shaped plates;

the second driving mechanism further comprises a rotating shaft which is rotatably connected with the supporting plate, a third gear is fixed on the supporting shaft, a fourth gear which is meshed with the third gear is fixed on the rotating shaft, and the number of teeth of the fourth gear is less than that of the third gear;

a driving arm is further fixed on the rotating shaft, a driving shaft five is fixed at the other end of the driving arm, and two ends of the driving shaft five penetrate through the two special-shaped holes respectively.

Furthermore, a second cushion is installed at the top of the seat body, side plates are installed on two sides of the top of the seat body, a third cushion is installed on one side, close to the second cushion, of each side plate, a safety belt is arranged on one side plate, a buckle is arranged on the safety belt, and a clamping box matched with the buckle is fixed on the other side plate.

Furthermore, the first driving mechanism further comprises a third stabilizing plate fixed inside the backrest main body, a second middle shaft coaxial with the first middle shaft is rotatably mounted on the third stabilizing plate, a second swing arm with the same specification as the first swing arm is fixed on the second middle shaft, and the other end of the fourth driving shaft is connected with the second swing arm;

at least two bearings I are arranged on the driving shaft IV, and the outer ring of each bearing I is tangent to the four inner walls of the strip hole.

Furthermore, a return spring is fixed at the inner bottom end of each long hole I, and the other end of each return spring is connected with the corresponding sliding block I.

Furthermore, a second bearing is fixed on the second driving shaft, and the outer ring of the second bearing is tangent to the inner wall of the driving hole.

Furthermore, a third bearing is mounted at each of two ends of the first driving shaft, and the outer ring of the third bearing is tangent to the inner wall of the second elongated hole.

Compared with the prior art, the invention has the beneficial effects that: when the device is not in use, the backrest main body is at a lower position, the effect that a user at the back watches a film is not influenced, and meanwhile, the foot support main body is in a non-extending state relative to the seat main body, so that the user can not touch the seat when passing through the seat.

Drawings

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

FIG. 2 is an isometric view of FIG. 1 of the present invention;

FIG. 3 is a cross-sectional view of FIG. 2;

FIG. 4 is a partial enlarged view of portion A of FIG. 3;

FIG. 5 is an exploded view from the left front side of FIG. 1;

FIG. 6 is an exploded view of FIG. 2;

FIG. 7 is an exploded view of the seat body and back body, etc. hidden from view at the angle of FIG. 5;

FIG. 8 is a partial enlarged view of portion A of FIG. 7;

FIG. 9 is a partial enlarged view of portion A of FIG. 8;

FIG. 10 is an exploded view of the seat body, backrest body, etc. hidden from view at the angle of FIG. 6;

in the drawings, the reference numbers: 1. a base plate; 2. f-shaped plates; 3. a first sliding block; 4. a fixing plate; 5. a seat main body; 6. a second elongated hole; 7. a support plate; 8. a support shaft; 9. a drive rod; 10. a first driving shaft; 11. a vertical plate; 12. a second sliding block; 13. a connecting plate; 14. a backrest body; 15. a second driving shaft; 16. a first soft cushion; 17. a foot rest main body; 18. a hollow shaft; 19. a helical section; 20. a first vertical section; 21. a transition plate; 22. a third driving shaft; 23. a first bevel gear; 24. a second bevel gear; 25. driving shaft four; 26. a second stabilizing plate; 27. pushing the plate; 28. a top plate; 29. a track; 30. a third sliding block; 31. a second vertical section; 32. a circular arc section; 33. a rotating shaft; 34. a third gear; 35. a fourth gear; 36. a drive arm; 37. a fifth driving shaft; 38. a second soft cushion; 39. a third soft cushion; 40. a seat belt; 41. a second swing arm; 42. a spring; 43. a drive aperture; 44. and a first swing arm.

Detailed Description

The following detailed description of embodiments of the present invention is provided in connection with the accompanying drawings and examples. The following examples are intended to illustrate the invention but are not intended to limit the scope of the invention.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted" and "connected" are to be interpreted broadly, e.g., as being either fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

As shown in fig. 1 to 10, a 4D cinema multifunctional seat according to the present invention includes:

the seat comprises a bottom plate 1, wherein two F-shaped plates 2 are fixed on the bottom plate 1, a first long strip hole is formed in the vertical section of each F-shaped plate 2, a first sliding block 3 is arranged at the first long strip hole in a sliding mode, a door-shaped fixing plate 4 is fixed on the first two sliding blocks 3 positioned on the same side, a seat main body 5 is fixedly installed on the two fixing plates 4 together, and a second long strip hole 6 is formed in the fixing plate 4;

a supporting plate 7 is fixed on the bottom plate 1, a supporting shaft 8 is rotatably mounted on the supporting plate 7, a driving rod 9 is fixed on the supporting shaft 8, a driving shaft I10 is fixed at one end of the driving rod 9, and two ends of the driving shaft I10 respectively extend into the two strip holes II 6;

the base plate 1 is further fixed with two vertical plates 11, the vertical plates 11 are provided with three long holes, a second sliding block 12 is slidably mounted in each three long holes, each second sliding block 12 is fixedly provided with a door-shaped connecting plate 13, and a backrest main body 14 is fixedly mounted on the two connecting plates 13;

a second driving shaft 15 is fixed between the second sliding blocks 12, a strip-shaped driving hole 43 is formed in the other end of the driving rod 9, and the second driving shaft 15 penetrates through the driving hole 43;

the backrest main body 14 is hollow, a first cushion 16 is mounted on one side, close to the seat main body 5, of the backrest main body 14, and the backrest further comprises a first driving mechanism for driving the first cushion 16 to deform at the waist part;

the foot rest comprises a foot rest main body 17 and a driving mechanism II for driving the foot rest main body 17 to move;

in the embodiment, when in use, the bottom end of the bottom plate 1 is installed on an external multi-degree-of-freedom base so that the device can perform relevant actions, and the multi-degree-of-freedom base belongs to the prior art and is not described much;

when the device is used, a viewer directly sits on the seat main body 5, and under the action of gravity, the seat main body 5, the two fixing plates 4 fixedly connected with the seat main body 5 and the first sliding block 3 all move downwards along the first long hole on the F-shaped plate 2, in the process, as the two ends of the driving shaft I10 respectively penetrate through the second long hole 6 which is horizontally arranged on the fixing plate 4, the supporting shaft 8, the driving rod 9 and the driving shaft I10 all rotate clockwise, and the driving shaft I10 changes the position relative to the second long hole 6 to adapt to the transverse displacement generated by the driving shaft I10;

because the second driving shaft 15 passes through the driving hole 43, the driving rod 9 rotating clockwise enables the second driving shaft 15, the second sliding block 12, the connecting plate 13 connected with the second sliding block 12, the backrest main body 14 fixed on the connecting plate 13 and the first cushion 16 to move upwards along the three vertical strip holes on the vertical plate 11;

in summary, when the device is used, after a user sits on the seat body 5, under the action of gravity, the user and the seat body 5 can descend, the backrest body 14 can ascend, the first cushion 16 deforms at the waist position through the first driving mechanism, and the waist of the user is supported, so that the user is more comfortable, meanwhile, the second driving mechanism enables the footrest body 17 to extend out to support the feet of the user, compared with the prior art, when the device is not used, the backrest body 14 is at a lower position, so that the film watching of the user at the back cannot be influenced, and meanwhile, the footrest body 17 is not extended out relative to the seat body 5, so that the user cannot touch when passing through the seat.

As a preferable scheme of the above embodiment, the first driving mechanism includes a hollow shaft 18 rotatably connected with the backrest main body 14, the hollow shaft 18 is provided with a through hole, the through hole is sequentially provided with a spiral section 19 and a vertical section one 20 from bottom to top, the first driving mechanism further includes a transition plate 21 fixed on the bottom plate 1, and a third driving shaft 22 penetrating through the through hole is fixed on the transition plate 21;

the third driving shaft 22 penetrates through the through hole;

a first bevel gear 23 is fixed on the hollow shaft 18, a first stabilizing plate is fixed on the backrest main body 14, a first middle shaft is rotatably mounted on the first stabilizing plate, a first swing arm 44 and a second bevel gear 24 meshed with the first bevel gear 23 are fixed on the first middle shaft, and a fourth driving shaft 25 is fixed at the other end of the first swing arm 44;

the first driving mechanism further comprises a second stabilizing plate 26 fixed inside the backrest main body 14, a push plate 27 is slidably mounted on the second stabilizing plate, a top plate 28 with a semicircular section is fixed on one side of the push plate 27 close to the first cushion 16, a fourth strip hole is formed in the push plate 27, and a fourth driving shaft 25 penetrates through the fourth strip hole;

in this embodiment, the driving mechanism works as follows: because the transition plate 21 and the driving shaft II 15 are fixed in position, the backrest main body 14, the hollow shaft 18 and other components ascend relative to the driving shaft II 15, so that the driving shaft II 15 sequentially passes through the vertical section I20 and the spiral section 19 of the through hole of the hollow shaft 18, when passing through the vertical section I20, the hollow shaft 18 and the spiral section 19 do not change, when passing through the spiral section 19, the hollow shaft 18 and the bevel gear I23 rotate, under the support of the stabilizing plate I and the cooperation of the bevel gear II 24, the swing arm I44 and the driving shaft IV 25 both rotate by taking the central shaft I as the shaft, and because the push plate 27 is provided with the vertical strip hole IV, the push plate 27 is in sliding connection with the stabilizing plate II 26, the driving shaft IV 25 passes through the strip hole IV, so that the push plate 27 and the top plate 28 both move to the side of the cushion I16 by taking the central shaft I as the shaft rotating drive shaft IV, and the cushion I16 is deformed, forming a support for the user's waist;

the invention aims to provide a first vertical section 20: when the backrest main body 14 is almost completely lifted, the first cushion 16 is deformed again, and the lumbar support is prevented from rubbing against the seat main body 5.

As a preferable scheme of the above embodiment, the second driving mechanism includes two rails 29 fixed on the bottom plate 1, a third slider 30 is slidably mounted on the rails 29, and a certain resistance is set between the rails 29 and the third slider 30 to increase the resistance to be overcome when the third slider 30 slides, which belongs to the prior art, and not more, both ends of the third slider 30 are fixed with special-shaped plates, each special-shaped plate is provided with a special-shaped hole, and each special-shaped hole includes a second vertical section 31 and an arc-shaped section 32;

the foot rest main body 17 is fixed on the two special-shaped plates;

the second driving mechanism further comprises a rotating shaft 33 which is rotatably connected with the supporting plate 7, a third gear 34 is fixed on the supporting shaft 8, a fourth gear 35 which is meshed with the third gear 34 is fixed on the rotating shaft 33, and the number of teeth of the fourth gear 35 is less than that of the third gear 34;

a driving arm 36 is further fixed on the rotating shaft 33, a driving shaft five 37 is fixed on the other end of the driving arm 36, and two ends of the driving shaft five 37 respectively penetrate through the two special-shaped holes;

in this embodiment, the second driving mechanism works as follows: in the above-mentioned process of descending the seat main body 5, the driving rod 9 and the supporting shaft 8 rotate clockwise, so that the gear three 34 rotates clockwise, so that the driving arm 36, the driving shaft five 37 and the gear four 35 rotate counterclockwise around the rotating shaft 33, when the driving shaft five 37 passes through the vertical section two 31 of the shaped hole, the driving shaft five 37 rotating around the rotating shaft 33 makes the sliding block three 30, the shaped plate and the footrest main body 17 extend outward relative to the seat main body 5, and the driving shaft five 37 moves upward relative to the vertical section two 31 to adapt to the longitudinal displacement generated by the driving shaft five 37, when the driving shaft five 37 reaches the junction of the vertical section two 31 and the circular arc section 32, at this time, the rotating shaft 33 is coaxial with the circular arc section 32, the driving shaft five 37 continuing to rotate around the rotating shaft 33 does not move along the circular arc section 32, the positions of the special-shaped plate and the foot rest main body 17 are not affected;

under the same angle of rotation, gear four 35 tooth number is less than gear three 34, and pivot 33 turned angle is bigger, and the displacement of drive shaft five 37 is bigger for on the foot rest main part 17 reaches the assigned position first, can not influence seat main part 5 and descend.

As a preferable scheme of the above embodiment, a second cushion 38 is installed on the top of the seat main body 5, side plates are installed on both sides of the top of the seat main body 5, a third cushion 39 is installed on one side of each side plate close to the second cushion 38, a safety belt 40 is installed on one side plate, a buckle is arranged on the safety belt 40, and a card box matched with the buckle is fixed on the other side plate;

in this embodiment, after sitting completely on the seat body 5, the back body supports the back of the user, and the waist forms a support, and meanwhile, the footrest body 17 extends out for the feet of the user to place, and then the buckle of the safety belt 40 is buckled on the card box to prevent the user from falling off when the seat shakes, the second cushion 38 can make the user more comfortable when sitting and standing, and through the third cushion 39 on the side plate, the user can not be injured when following the seat body 5 to shake.

As a preferable scheme of the above embodiment, the first driving mechanism further includes a third stabilizing plate fixed inside the backrest main body 14, a second middle shaft coaxial with the first middle shaft is rotatably mounted on the third stabilizing plate, a second swing arm 41 with the same specification as the first swing arm 44 is fixed on the second middle shaft, and the other end of the driving shaft four 25 is connected with the second swing arm 41;

at least two bearings I are arranged on the driving shaft IV 25, and the outer ring of each bearing I is tangent to the inner wall of the rectangular hole IV;

in the embodiment, the middle shaft I and the driving shaft IV 25 are more smooth and stable in action through the arranged stabilizing plate, the middle shaft II, the swing arm II 41 and the like, and meanwhile, the driving shaft IV 25 is prevented from being in direct contact with the four inner walls of the strip hole through the arranged bearing I, so that the abrasion to the driving shaft IV 25 is reduced.

As a preferable scheme of the above embodiment, a return spring 42 is fixed at the inner bottom end of each elongated hole one, and the other end of the return spring 42 is connected with the sliding block one 3;

in the present embodiment, the return spring 42 is provided, so that the return spring 42 is deformed and the elastic force is increased when the user sits on the seat body 5, and after the user removes the seat body 5, the components are restored to the initial state by the elastic force of the return spring 42.

As a preferable scheme of the above embodiment, a second bearing is fixed on the second driving shaft 15, and an outer ring of the second bearing is tangent to the inner wall of the driving hole 43;

in the embodiment, the second bearing is mounted on the second driving shaft 15, so that the second driving shaft 15 is prevented from being in direct contact with the inner wall of the driving hole 43, and the abrasion to the second driving shaft 15 is reduced.

As a preferable scheme of the embodiment, two ends of the driving shaft I10 are respectively provided with a bearing III, and the outer ring of the bearing III is tangent to the inner wall of the elongated hole II 6;

in the embodiment, the third bearing is arranged at the end part of the first driving shaft 10, so that the contact between the first driving shaft 10 and the inner wall of the second elongated hole 6 is avoided, and the abrasion to the first driving shaft 10 is reduced.

The above description is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, several modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be regarded as the protection scope of the present invention.

Claims

1. A multifunctional seat for a 4D cinema is characterized by comprising:

the seat comprises a bottom plate (1), wherein two F-shaped plates (2) are fixed on the bottom plate (1), a first long-strip hole is formed in the vertical section of each F-shaped plate (2), a first sliding block (3) slides in the first long-strip hole, a door-shaped fixing plate (4) is fixed on the first two sliding blocks (3) positioned on the same side, a seat main body (5) is fixedly installed on the two fixing plates (4) together, and a second long-strip hole (6) is formed in each fixing plate (4);

a supporting plate (7) is fixed on the bottom plate (1), a supporting shaft (8) is rotatably mounted on the supporting plate (7), a driving rod (9) is fixed on the supporting shaft (8), a first driving shaft (10) is fixed at one end of the driving rod (9), and two ends of the first driving shaft (10) respectively extend into the two strip holes II (6);

two vertical plates (11) are further fixed on the bottom plate (1), a third long hole is formed in each vertical plate (11), a second sliding block (12) is installed in each third long hole in a sliding mode, a connecting plate (13) in a door shape is fixed on each second sliding block (12), and a backrest main body (14) is fixedly installed on the two connecting plates (13) together;

a second driving shaft (15) is fixed between the second sliding blocks (12), a strip-shaped driving hole is formed in the other end of the driving rod (9), and the second driving shaft (15) penetrates through the driving hole;

the backrest main body (14) is hollow, a first cushion (16) is installed on one side, close to the seat main body (5), of the backrest main body (14), and the backrest further comprises a first driving mechanism for driving the waist part of the first cushion (16) to deform;

the foot rest comprises a foot rest main body (17) and a second driving mechanism for driving the foot rest main body (17) to move.

2. The multifunctional seat for the 4D cinema as claimed in claim 1, wherein the first driving mechanism comprises a hollow shaft (18) rotatably connected with the backrest main body (14), the hollow shaft (18) is provided with a through hole, the through hole comprises a spiral section (19) and a vertical section I (20) from bottom to top in sequence, the multifunctional seat further comprises a transition plate (21) fixed on the bottom plate (1), and a third driving shaft (22) passing through the through hole is fixed on the transition plate (21);

a third driving shaft (22) penetrates through the through hole;

a first bevel gear (23) is fixed on the hollow shaft (18), a first stabilizing plate is fixed on the backrest main body (14), a first middle shaft is rotatably installed on the first stabilizing plate, a first swing arm and a second bevel gear (24) meshed with the first bevel gear (23) are fixed on the first middle shaft, and a fourth driving shaft (25) is fixed at the other end of the first swing arm;

the first driving mechanism further comprises a second stabilizing plate (26) fixed inside the backrest main body (14), a push plate (27) is slidably mounted on the stabilizing plate, a top plate (28) with a semicircular cross section is fixed on one side, close to the first cushion (16), of the push plate (27), a fourth strip hole is formed in the push plate (27), and the fourth driving shaft (25) penetrates through the fourth strip hole.

3. The multifunctional seat for a 4D cinema as claimed in claim 2, wherein the second driving mechanism comprises two rails (29) fixed on the bottom plate (1), a third sliding block (30) is slidably mounted on the rails (29), both ends of the third sliding block (30) are fixed with a profiled plate, the profiled plate is provided with a profiled hole, and the profiled hole comprises a second vertical section (31) and a circular arc-shaped section (32);

the foot rest main body (17) is fixed on the two special-shaped plates;

the second driving mechanism further comprises a rotating shaft (33) which is rotatably connected with the supporting plate (7), a third gear (34) is fixed on the supporting shaft (8), a fourth gear (35) which is meshed with the third gear (34) is fixed on the rotating shaft (33), and the number of teeth of the fourth gear (35) is less than that of the third gear (34);

a driving arm (36) is further fixed on the rotating shaft (33), a driving shaft five (37) is fixed at the other end of the driving arm (36), and two ends of the driving shaft five (37) penetrate through the two special-shaped holes respectively.

4. The multifunctional seat for a 4D cinema as claimed in claim 3, wherein a second cushion (38) is installed on the top of the seat main body (5), side plates are installed on both sides of the top of the seat main body (5), a third cushion (39) is installed on one side of each side plate close to the second cushion (38), a safety belt (40) is installed on one side plate, a buckle is arranged on the safety belt (40), and a clamping box matched with the buckle is fixed on the other side plate.

5. The multifunctional seat for a 4D cinema as claimed in claim 4, wherein the first driving mechanism further comprises a third stabilizing plate fixed inside the backrest main body (14), a second middle shaft coaxial with the first middle shaft is rotatably installed on the third stabilizing plate, a second swing arm (41) with the same specification as the first swing arm is fixed on the second middle shaft, and the other end of the driving shaft four (25) is connected with the second swing arm (41);

and at least two bearings I are arranged on the driving shaft IV (25), and the outer ring of each bearing I is tangent to the four inner walls of the strip hole.

6. The multifunctional seat for a 4D cinema as claimed in claim 5, wherein a return spring (42) is fixed at the inner bottom end of each elongated hole I, and the other end of the return spring (42) is connected with the first sliding block (3).

7. The multifunctional seat for a 4D cinema as claimed in claim 6, wherein a second bearing is fixed on the second driving shaft (15), and an outer ring of the second bearing is tangent to the inner wall of the driving hole.

8. The multifunctional seat for a 4D cinema as claimed in claim 7, wherein a third bearing is mounted on each end of the first driving shaft (10), and the outer ring of the third bearing is tangent to the inner wall of the second elongated hole (6).