CN112659993A

CN112659993A - Multidirectional automobile seat lifter

Info

Publication number: CN112659993A
Application number: CN202011295313.6A
Authority: CN
Inventors: 沈鑫刚
Original assignee: Ningbo Polytechnic
Current assignee: Ningbo Polytechnic
Priority date: 2020-11-18
Filing date: 2020-11-18
Publication date: 2021-04-16

Abstract

The invention provides a multidirectional automobile seat lifter, which comprises a rack, a steering wheel group and a base, wherein the steering wheel group is fixed at the upper end of the base, the base is embedded in the rack, the steering wheel group is fixed at the middle part of the rack through the base, a baffle is welded at the middle part of the rack, a groove frame is fixed in the rack, side frames are welded at the left side and the right side of the groove frame, three pairs of seat feet are transversely distributed in the side frames at equal intervals, a pair of expansion bolts are fixed at the upper ends of the seat feet, the top ends of the expansion bolts are fixedly connected with the side frames, and the multidirectional automobile seat lifter is suitable for production of automobile structural components. And drives the shaft and the coupling connected with the upper end of the shaft.

Description

Multidirectional automobile seat lifter

Technical Field

The invention relates to the technical field of automobile structural parts, in particular to a multidirectional automobile seat lifter.

Background

The automobile seat is a seat for sitting when sitting, provides a convenient, comfortable and safe driving and sitting position for drivers and passengers, and is an important component of automobile interior decoration, and the development of the automobile interior decoration industry is promoted.

The automobile seat is concerned about the safety of a driver, although the existing automobile seat has a structure for adjusting the angle between the backrest and the cushion, the adjusting mode is only used for adjusting the driving posture of part of people when driving, and cannot be effectively applied to users with lower height and smaller body size, if the seat is not in proper position, the sight line and the control sensitivity of the driver can be influenced, and safety accidents are caused.

Disclosure of Invention

Technical problem to be solved

Aiming at the defects of the prior art, the invention provides the multidirectional automobile seat lifter which has the advantages that the height of users with various body sizes and heights can be conveniently adjusted freely, the device is automatically adjusted to replace manual adjustment, the convenience is improved, the structure is stable, the noise in the adjusting process is low, and the problems that the existing automobile seat is low in applicability, the riding experience and the driving experience cannot be guaranteed for part of body size people, and the structure is fixed and has poor comfort are solved.

(II) technical scheme

In order to realize the purposes that the height of users with various body types and heights can be conveniently and freely adjusted, the manual adjustment is replaced by automatic adjustment, the convenience is improved for the device, the structure is stable, the noise in the adjusting process is low, and the like, the invention provides the following technical scheme: a multidirectional automobile seat lifter comprises a frame, a steering wheel group and a base, wherein the steering wheel group is fixed at the upper end of the base, the base is embedded in the frame, the steering wheel group is fixed in the middle of the frame through the base, a baffle is welded in the middle of the frame, a groove frame is fixed in the frame, side frames are welded on the left side and the right side of the groove frame, three pairs of seat legs are transversely distributed in the side frame at equal intervals, a pair of expansion bolts are fixed at the upper ends of the seat legs, the top end of the expansion bolt is fixedly connected with the side frame, the bottom end of the groove frame is provided with a base seat opening, the base is inserted with the base opening, the left end and the right end of the base are both fixed with a groove frame through screws, a screw hole is formed in the groove frame, a U-shaped frame is fixedly connected between the groove frames in a butt joint mode through screws and the screw hole, and the groove frames and the U-shaped frame are fixedly connected with the inner wall of the groove frame; the steering wheel set comprises a lower twisting disc, a middle fluted disc, an upper twisting disc and a motor, wherein the lower twisting disc is sleeved at the lower end of the upper twisting disc, the middle fluted disc is embedded between the lower twisting disc and the upper twisting disc, a shaft sleeve is welded on the upper surface of the upper twisting disc, a coupling is rotatably connected in the shaft sleeve, the motor is embedded in the lower twisting disc, the lower end of the motor is embedded in the middle of the base, and the lower twisting disc is sleeved at the upper end of the base; the left end and the right end of the steering wheel set are symmetrically provided with a pair of side movable arms, the side movable arms are fixedly connected with a groove frame, the upper end of each side movable arm is welded with a mounting frame, the side wall of each side movable arm is welded with a sloping frame plate, the inner side of the sloping frame plate is provided with a hole, a bearing ring is clamped in the hole of the inner side of the sloping frame plate, the upper end of the bearing ring is provided with a helical gear, the left end of the helical gear is meshed with a main runner, the left end of each side movable arm is embedded with a front arm, the hole at the upper end of the front arm is provided with a lock hole, the left end of the lock hole is provided with a spring shaft, the spring shaft is embedded with the front arm, the joint of the spring shaft and the front arm is sleeved with a pressure spring, the right end in the spring shaft is embedded with a piston shaft, the groove at the left end, the box frame is fixedly connected with the rack through a frame plate; the middle part of the inner side of the front arm is rotatably connected with a wheel hub, the upper end of the wheel hub is movably connected with a pawl push head, the lower end of the wheel hub is movably connected with a suspension, a spring seat is embedded between the pawl push head and the suspension, the right end of the suspension is rotatably connected with a swing arm, the upper end of the swing arm is rotatably connected with a main runner, a wedge-shaped wheel shaft is arranged in a hole in the inner side of the inclined frame plate in a penetrating manner, shaft core rods are arranged at the left end and the right end of the wedge-shaped wheel shaft in a penetrating manner, the shaft core rods are embedded with bearing rings.

Further advantages are that the middle surface of the wedge-shaped wheel shaft is etched with tooth-shaped lines, and the wedge-shaped wheel shaft is meshed with the middle toothed disc through spiral lines.

Further advantage, the inboard right-hand member fluting of forearm is provided with concave type notch, and U type notch upper end cell wall is protruding type chi form in the forearm, sliding connection between forearm outer wall and the side digging arm inner wall.

The motor has the further advantages that the middle part of the motor is rotatably connected with a motor shaft, the upper end of the motor shaft penetrates through the shaft sleeve and is fixedly connected with the shaft coupling, and the motor shaft is rotatably connected with the upper twisting disc through the shaft sleeve.

Further advantage, it is provided with the round hole with turning round the equal trompil in set middle part down to go up to turn round the dish, and turns round a set aperture inner wall etching down and have the spiral line, the both ends run through threaded steel column about well chi dish middle part, and well fluted disc middle part threaded steel column surface evenly distributed has the screw thread, well fluted disc is fixed in well fluted disc threaded steel column upper end through the round hole grafting, and well fluted disc threaded steel column lower extreme and turn round a set round hole inner wall meshing butt joint down.

Further advantageously, the bevel gear disc is in meshing engagement with the helical gear, and the wedge axle is rotatably connected to the helical gear via the bevel gear disc.

The main rotating wheel is characterized in that four angle-shaped teeth are annularly distributed on the side wall of the main rotating wheel, the main rotating wheel is meshed with the concave notch of the front arm through the angle-shaped teeth, and the main rotating wheel is rotatably connected with the side movable arm.

The ratchet push head has the further advantages that the left end of the ratchet push head is tightly attached to the spring shaft, and when the ratchet push head is pushed inwards by the spring shaft, the ratchet push head rotates circumferentially downwards along the wheel hub.

Further advantage, the piston shaft is a rectangular shape round axle, and the piston shaft has the oil blanket with the scarf joint of spring shaft junction.

Further advantage, the hydraulic cylinder intussuseption is filled with fluid, and the piston shaft left end runs through in the hydraulic cylinder middle part.

(III) advantageous effects

Compared with the prior art, the invention provides a multidirectional automobile seat lifter, which has the following beneficial effects:

1. the multidirectional automobile seat lifter is in butt joint with an automobile seat through a steering wheel group arranged in a frame when in application, and is in butt joint with an automobile driving control circuit to finish installation, in the using process, a driver drives a motor to work through an automobile control panel, the motor is driven by electric power to rotate and drives a shaft and a coupling which are connected with the motor at the upper end, the shaft and the coupling drive an upper twisting disc to be linked through rotation in a shaft sleeve, so that the upper twisting disc is driven by the motor to rotate to finish directional spiral lifting through spiral rotation of a middle gear disc steel column in the inner wall of a thread in the middle of the lower twisting disc, compared with a traditional automobile seat angle adjusting structure and a simple hinge shaft lifting structure, the lifter is fixedly in butt joint with an automobile suspension through the bottom end of the frame, and the upper end is fixedly in butt joint with the upper twisting disc and the seat through the coupling, the lifter structure has the force bearing performance, and is supplemented by combining the automobile suspension structure, so that the defect of the lifting structure of the automobile seat in the strength of a rigid structure is overcome;

2. the seat lifter can drive the wedge-shaped wheel shaft through the transverse rotation of the middle fluted disc by the meshing butt joint between the side teeth of the middle fluted disc and the wedge-shaped wheel shaft when the middle fluted disc threaded steel column spirally rises in the round hole of the lower twisting disc to the limit, so that the rotational kinetic energy generated by the motor shaft is transmitted by the wedge-shaped wheel shaft through the linkage of the middle fluted disc and the wedge-shaped wheel shaft, and the middle fluted disc threaded steel column and the upper twisting disc rotate in the limit position in the synchronous transverse axial direction, thereby changing the orientation angle of the seat through the transverse axial rotation of the upper twisting disc. The seat utilization in various ways such as lying, sitting, leaning and the like is prevented, and the applicability of the seat lifter is improved;

3. meanwhile, on the basis of the self lifting structure and the steering structure, when the seat lifter is installed, two sections of structures of a cushion and a backrest of the automobile seat can be respectively butted with a main body of a device frame and an installation frame arranged at the upper end of a side movable arm, when a driver sits on the seat, when the backrest leans against the device frame to generate transverse acting force, the cushion butted with the frame stretches along the opposite directions of a box frame and a front arm in the frame when the backrest is obliquely pressed, a spring shaft is stretched along the stretching direction to drive an inner wall piston shaft to transversely stretch in a hydraulic cylinder, and the elastic expansion in the opposite direction is carried out in the stress direction of the pressure spring through the pressure spring arranged at the joint of the outer side of the spring shaft and the front arm, so as to carry out triple elastic compensation on the seat angle of the automobile seat, and the movement mode of the elastic structure not only ensures that the lifter structure can be well matched with the automobile, the structure damage caused by bidirectional force application to the automobile seat during the instant force bearing and the movement of the lifter during the daily use of the automobile seat is avoided, the stability of the lifter and the automobile seat structure is further ensured, and meanwhile, the triple elastic compensation can be elastically loaded at the backrest and the cushion of the automobile seat, and the riding experience and the comfort level of the automobile seat are improved in an elastic force bearing mode by combining the angle-adjustable structures of the backrest and the cushion of the automobile seat;

4. moreover, although the seat lifter is mainly a mechanical transmission structure and a movable adjusting structure engaged with gears, in the axial movable adjusting process of the lifter, the mechanical energy transmission of a middle fluted disc, a coupling and a shaft sleeve is adopted when an upper twisting disc moves along a lower twisting disc, the middle fluted disc and a threaded steel column are engaged with a wedge-shaped wheel shaft when the middle fluted disc and the threaded steel column rise to the extreme limit position, and the rotation transmission of a bearing ring and a shaft core rod and the rotation transmission of a bevel fluted disc and a spiral gear are adopted when the wedge-shaped wheel shaft rotates, so that a small part is used for replacing the transmission activity of a relatively large structure, the physical contact noise generated between the activities of the structures is effectively reduced, the movable adjustment of the lifter tends to a stable and low-noise process, and the applicability of the lifter is further ensured;

5. the seat lifter can transmit mechanical energy to the joint of the movable arm and the forearm through the rotation of the wedge-shaped wheel shaft and the bevel gear disc by the transmission of the lifter with the wedge-shaped wheel shaft when the middle gear disc rises to the extreme limit, the concave notch of the forearm returns to the normal position along with the movement of the angular tooth of the main gear wheel through the rotation of the main gear wheel when the angle between the backrest and the cushion is larger than the initial angle, the swinging arm and the suspension connected with the seat lifter are driven by the idle rotation of the angular tooth of the main gear wheel when the angle between the backrest and the cushion is smaller than the initial angle, the pawl pusher is driven to be pushed outwards through the swinging of the swinging arm and the suspension along the circumference of the wheel shaft joint and the main gear wheel, so that the forearm and the movable arm are separated to the initial angle position, and the seat lifter automatically compensates and returns through the movement of the lifter, can avoid car seat angular migration to lead to the seat to be in the load state for a long time, when having guaranteed car seat structure life, the moving process of riser can avoid car seat offset to lead to the riser card to die the condition emergence at certain movable structure, has further guaranteed the regulation stable in structure of riser.

Drawings

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

FIG. 2 is a schematic view of the layered structure of the steering wheel assembly of the present invention.

FIG. 3 is a schematic view of a partial structure of the forearm and the measurement arm according to the present invention.

FIG. 4 is a schematic view of the internal structure of the measurement arm and forearm according to the present invention.

FIG. 5 is a schematic view of a connection structure of a fluted disc and a wedge-shaped axle in the present invention.

Fig. 6 is a schematic view of the internal structure of the rack of the present invention.

Detailed Description

The embodiments described below are only some embodiments of the present invention, not all embodiments, in conjunction with the accompanying drawings of the embodiments of the present invention.

Referring to fig. 1-6, a multidirectional car seat lifter comprises a frame 1, a steering wheel set 5 and a base 9, wherein the steering wheel set 5 is fixed at the upper end of the base 9, the base 9 is embedded in the frame 1, the steering wheel set 5 is fixed at the middle of the frame 1 through the base 9, a baffle 3 is welded at the middle of the frame 1, a slot frame 39 is fixed in the frame 1, a side frame 2 is welded at each of the left side and the right side of the slot frame 39, three pairs of seat legs 4 are transversely and equidistantly distributed in the side frame 2, a pair of expansion bolts 40 are fixed at the upper end of each seat leg 4, the top ends of the expansion bolts 40 are fixedly connected with the side frame 2, a base opening 41 is formed at the bottom end of the slot frame 39, the base 9 is inserted into the base opening 41, a slot frame 16 is fixed at each of the left end and the right end of the base 9 through a screw, a screw, a U-shaped frame 17 is fixedly connected between the groove frames 16 through screws and screw holes 18 in a butt joint mode, the groove frames 16 and the U-shaped frame 17 are fixedly connected with the inner wall of the groove frame 39, during installation, the lifter frame 1 and the automobile chassis suspension are fixedly in a butt joint mode, the base 9 and the base opening 41 are in butt joint, the base 9 completes installation and fixation of the steering wheel set 5 and the base 9 through butt joint of the groove frames 16 and the U-shaped frame 17, and the base 9 is installed through butt joint of the groove frames 16 and the U-shaped frame 17 with the inner wall of the frame 1 and the inner wall of the groove frame 39; the steering wheel set 5 is composed of a lower twisting disk 11, a middle fluted disk 15, an upper twisting disk 12 and a motor 10, wherein the lower twisting disk 11 is sleeved at the lower end of the upper twisting disk 12, the middle fluted disk 15 is embedded between the lower twisting disk 11 and the upper twisting disk 12, a shaft sleeve 14 is welded on the upper surface of the upper twisting disk 12, a coupling joint 13 is connected in the shaft sleeve 14 in a rotating mode, the motor 10 is embedded in the lower twisting disk 11, the lower end of the motor 10 is embedded in the middle of a base 9, the lower twisting disk 11 is sleeved at the upper end of the base 9, a circuit of the motor 10 is in butt joint with a control panel of an automobile during installation, so that when the automobile works, a driver drives an automobile storage battery to supply power to the motor 10 through the control panel, the motor 10 is driven by power to rotate, a crankshaft and a coupling connected with the motor 10 are driven by the rotation of the motor 10, and the shaft coupling in the shaft sleeve 14 are linked to enable the, therefore, the middle fluted disc 15 is rotatably connected to the middle part through the rotating movement of the upper twisting disc 12, and the spiral lifting is carried out along the inner diameter of the upper twisting disc 12 along with the threaded steel columns penetrating through the upper end and the lower end of the middle fluted disc 15; the left end and the right end of the steering wheel set 5 are symmetrically provided with a pair of side movable arms 7, the side movable arms 7 are fixedly connected with a groove frame 39, the upper end of the side movable arms 7 is welded with a mounting frame 24, the side wall of the side movable arms 7 is welded with an inclined frame plate 23, the inner side of the inclined frame plate 23 is provided with a hole, the inner side of the inclined frame plate 23 is provided with a bearing ring 28 in a clamping way, the upper end of the bearing ring 28 is provided with a helical gear 29, the left end of the helical gear 29 is meshed with a main runner 30, the left end of the side movable arms 7 is embedded with a front arm 8, the upper end of the front arm 8 is provided with a lock hole 22, the left end of the lock hole 22 is provided with a spring shaft 27, the spring shaft 27 is embedded with the front arm 8, the joint of the spring shaft 27 and the front arm 8 is sleeved with a pressure spring 21, the left end of the spring shaft 27 is sleeved with the supporting plate 26, the lower end of the supporting plate 26 is fixedly connected with a box frame 25, the left end of the box frame 25 is provided with a frame plate 38 in a penetrating way, the box frame 25 is fixedly connected with the frame 1 through the frame plate 38, a car seat cushion is fixedly connected with the frame 1 during installation, a beer seat back is butted and fixed with a mounting rack 24 at the upper end of a side movable arm 7, the angle between the car seat back and the cushion is changed through the transverse or oblique stress of the car seat back along with the change of the sitting posture of a driver, the generated angle change enables the car seat cushion to move in the reverse direction along the stress direction of the back and then drives the box frame 25 and the spring shaft 27 fixed with the frame 1 to move synchronously, when the spring shaft 27 moves transversely, the piston shaft 36 in the spring shaft 27 moves transversely along the hydraulic cylinder 37, and hydraulic pressure is generated through the extrusion of oil filled in the hydraulic cylinder 37, hydraulic pressure is formed to generate force in the direction opposite to the moving direction of the piston shaft 36, and the spring 21 between the spring shaft 27 and the front arm 8 is pressed to generate elastic force in the direction opposite to the force-bearing direction, so that the force compensation through elasticity and hydraulic pressure acts on the front arm 8 and the motion-measuring arm 7, namely the moving process of the cushion and the backrest of the automobile seat; a wheel spindle joint 33 is rotatably connected to the middle of the inner side of the front arm 8, a pawl push head 35 is movably connected to the upper end of the wheel spindle joint 33, a suspension 32 is movably connected to the lower end of the wheel spindle joint 33, a spring seat 34 is embedded between the pawl push head 35 and the suspension 32, a swing arm 31 is rotatably connected to the right end of the suspension 32, the upper end of the swing arm 31 is rotatably connected with the main wheel 30, a wedge-shaped wheel shaft 6 is arranged in a through hole in the inner side of the inclined frame plate 23, a shaft core rod 19 is arranged at the left end and the right end of the wedge-shaped wheel shaft 6 in a through hole, the shaft core rod 19 is embedded with the bearing ring 28, a conical fluted disc 20 is rotatably connected to the left end and the right end of the shaft core rod 19 respectively, when the middle toothed disc 15 rises to the limit position and is meshed with the wedge-shaped wheel shaft 6 during the adjustment movement of the lifter, the spiral gear 29 and the main, when the angle between the backrest and the seat cushion of the seat is larger than the initial angle, the concave notch of the front arm 8 returns to the normal position along with the movement of the angle-shaped teeth of the main wheel 30 through the rotation of the main wheel 30, when the angle between the backrest and the seat cushion of the seat is smaller than the initial angle, the swing arm 31 and the suspension 32 connected with the seat are driven through the idle running of the angle-shaped teeth of the main wheel 30, the pawl push head 35 is driven to be pushed outwards through the swing arm 31 and the suspension 32 along the circumference swinging of the wheel shaft joint 33 and the main wheel 30, and therefore the front arm 8 and the motion measuring arm 7 are separated to the initial angle position.

In summary, spiral lines are etched on the middle surface of the wedge-shaped wheel shaft 6, the wedge-shaped wheel shaft 6 is meshed with the middle toothed disc 15 through the spiral lines, when the middle toothed disc 15 ascends along with the spiral of the threaded steel column and reaches an extreme limit position, the rotational kinetic energy between the middle toothed disc 15 and the upper twisted disc 12 is guided to the wedge-shaped wheel shaft 6 through the meshing butt joint of the thread lines of the wedge-shaped wheel shaft 6 and the middle toothed disc 15, so that the rotation between the middle toothed disc 15 and the upper twisted disc 12 is synchronized, and the upper twisted disc 12 performs 360-degree rotation switching on the seat along with the rotation of the middle toothed disc 15.

The inboard right-hand member fluting of forearm 8 is provided with concave type notch, and U type notch upper end cell wall is protruding type chi form in the forearm 8, sliding connection between 8 outer walls of forearm and the 7 inner walls of side digging arm through the protruding type chi form that is equipped with in the concave type notch of fluting in the forearm 8 and the notch, comes when main runner 30 rotates the activity, and the rotation through main runner 30 drives forearm 8 and makes outside slip along the notch direction.

The middle part of the motor 10 is rotatably connected with a crankshaft, the upper end of the crankshaft of the motor 10 penetrates through a shaft sleeve 14 and is fixedly connected with a coupling 13, the crankshaft of the motor 10 is rotatably connected with an upper twisting plate 12 through the shaft sleeve 14, the motor 10 is driven to rotate by electric power to drive the crankshaft connected with the upper twisting plate, and the upper twisting plate 12 is driven by the rotation of the crankshaft and the coupling 13 in the shaft sleeve 14 to complete the transmission of kinetic energy.

The utility model discloses a convenient car body car internal space, including last twist disk 12 and lower twist disk 11, it is provided with the round hole to go up the equal trompil in the middle part of twist disk 12 and lower twist disk 11, and twist disk 11 aperture inner wall etching down has the spiral line, both ends run through threaded steel column about 15 middle parts of well chi dish, and well 15 middle parts of the gear dish evenly distributed on threaded steel column surface have the screw thread, well fluted disk 15 is fixed in well 15 threaded steel column upper ends through the round hole grafting, and well 15 threaded steel column lower extremes of gear dish and twist disk 11 round hole inner wall meshing butt joint down, and the accessible uses the threaded steel column of different height specifications before the installation, adjusts the effective lift distance of threaded steel column to make things convenient for the user to select the suitable threaded.

The bevel gear disc 20 is meshed with the spiral gear 29, the wedge-shaped wheel shaft 6 is rotationally connected with the spiral gear 29 through the bevel gear disc 20, the wedge-shaped wheel shaft 6 is enabled to rotate to enable the bevel gear disc 20 to be meshed with the spiral gear 29 through meshing butt joint of the bevel gear disc 20 and the spiral gear 29, the spiral gear 29 is meshed with the main rotating wheel 30, the main rotating wheel 30 is driven to rotate, the front arm 8 is driven to move along the notch of the main rotating wheel 30 and the angle-shaped tooth of the front arm 8, coaxial transmission of the wedge-shaped wheel shaft 6 and the main rotating wheel 30 is avoided through transmission of the bevel gear disc 20 and the spiral gear 29, and compared with the smaller transmission structure, noise generated by physical contact between the shafts is avoided.

Main runner 30 lateral wall is that the annular distributes has four angle type teeth, and main runner 30 passes through angle type tooth and the meshing of the concave type notch of forearm 8, main runner 30 rotates with side digging arm 7 to be connected, and when the concave type notch of forearm 8 rotated to the inboard utmost point along main runner 30, the idle running through main runner 30 drove the swing arm 31 that the lower extreme was connected with it and carries out the circumference and rotates, along with the synchronous rotation of swing arm 31 one end and main runner 30, the other end atress and along with the swing of swing arm 31 with kinetic energy along suspension 32 transmission to wheel hub 33.

The left end of the pawl push head 35 is tightly attached to the spring shaft 27, when the pawl push head 35 is pushed inwards by the spring shaft 27, the pawl push head 35 rotates downwards along the wheel hub 33 in a circumferential mode, the swing arm 31, the suspension 32 and the wheel hub 33 rotate synchronously to drive the pawl push head 35 to push outwards along with the rotation of the wheel hub 33, and the elastic force of the spring shaft 27 arranged between the pawl push head 35 and the suspension 32 returns the front arm 8 to the initial position, so that the positions of the front arm 8 and the side movable arm 7 are calibrated, and the angle calibration of the automobile seat cushion and the backrest connected with the front arm 8 and the side movable arm 7 is completed.

The piston shaft 36 is a long strip-shaped round shaft, an oil seal is embedded at the joint of the piston shaft 36 and the spring shaft 27, and the air tightness of the space in the spring shaft 27 is ensured through the oil seal between the spring shaft 27 and the piston shaft 36.

The hydraulic cylinder 37 is filled with oil, the left end of the piston shaft 36 penetrates through the middle of the hydraulic cylinder 37, when the piston shaft 36 synchronously moves transversely along with the pushing of the spring shafts 27 at the left end and the right end, the hydraulic cylinder 37 is pressed inwards through the piston shaft 26, along with the reduction of the volume in the hydraulic cylinder 37, the oil filled in the hydraulic cylinder 37 continuously increases along with the reduction of the volume, so that the hydraulic pressure in the hydraulic cylinder 37 reversely acts on the moving process of the piston shaft 36, the movement of the piston shaft 36 is compensated through the hydraulic pressure, namely the movement of the front arm 8 and the side moving arm 7, the hydraulic reactive force acts on the automobile seat cushion and the backrest connected with the front arm 8 and the side moving arm 7, and the angle homing of the automobile seat cushion and the backrest is completed.

The above embodiments are described in detail for the purpose of further illustrating the present invention and should not be construed as limiting the scope of the present invention, and the skilled engineer can make insubstantial modifications and variations of the present invention based on the above disclosure.

Claims

1. The utility model provides a multidirectional formula car seat riser, includes frame (1), steering wheel group (5) and base (9), steering wheel group (5) are fixed in base (9) upper end, base (9) embedding sets up in frame (1) inside, steering wheel group (5) are fixed in frame (1) middle part through base (9), its characterized in that: the middle part of the frame (1) is welded with a baffle (3), a groove frame (39) is fixed in the frame (1), the left side and the right side of the groove frame (39) are respectively welded with a side frame (2), three pairs of seat feet (4) are transversely distributed in the side frames (2) at equal intervals, a pair of expansion bolts (40) are fixed at the upper end of the seat leg (4), the top ends of the expansion bolts (40) are fixedly connected with the side frame (2), a base opening (41) is arranged at the bottom end of the groove frame (39), the base (9) is inserted into the base opening (41), a groove frame (16) is fixed at the left end and the right end of the base (9) through screws, screw holes (18) are arranged in the inner holes of the groove frames (16), a U-shaped frame (17) is fixedly connected between the groove frames (16) in a butt joint mode through screws and the screw holes (18), the groove frame (16) and the U-shaped frame (17) are fixedly connected with the inner wall of the groove frame (39); the steering wheel set (5) is composed of a lower twisting disc (11), a middle toothed disc (15), an upper twisting disc (12) and a motor (10), the lower twisting disc (11) is sleeved at the lower end of the upper twisting disc (12), the middle toothed disc (15) is embedded between the lower twisting disc (11) and the upper twisting disc (12), the upper surface of the upper twisting disc (12) is welded with a shaft sleeve (14), the shaft sleeve (14) is rotatably connected with a coupling joint (13), the motor (10) is embedded in the lower twisting disc (11), the lower end of the motor (10) is embedded in the middle of a base (9), and the lower twisting disc (11) is sleeved at the upper end of the base (9); both ends are symmetric distribution about steering wheel group (5) and have a offside digging arm (7), side digging arm (7) and chase (39) fixed connection, side digging arm (7) upper end welding has mounting bracket (24), side digging arm (7) lateral wall welding has sloping frame plate (23), sloping frame plate (23) inboard is equipped with the trompil, the joint has bearing ring (28) in sloping frame plate (23) inboard trompil, bearing ring (28) upper end is equipped with helical gear (29), helical gear (29) left end meshing has main runner (30), side digging arm (7) left end scarf joint has a forearm (8), forearm (8) upper end trompil is provided with lockhole (22), spring shaft (22) left end is equipped with spring shaft (27), spring shaft (27) and forearm (8) scarf joint, spring shaft (27) and forearm (8) junction have cup jointed pressure spring (21), a piston shaft (36) is embedded into the inner right end of the spring shaft (27), a hydraulic cylinder (37) is arranged at the left end of the spring shaft (27) in a groove mode, a supporting plate (26) is sleeved at the left end of the spring shaft (27), a box frame (25) is fixedly connected to the lower end of the supporting plate (26), a frame plate (38) penetrates through the left end of the box frame (25), and the box frame (25) is fixedly connected with the rack (1) through the frame plate (38); the middle part of the inner side of the front arm (8) is rotatably connected with a wheel shaft joint (33), the upper end of the wheel shaft joint (33) is movably connected with a pawl push head (35), the lower end of the wheel shaft joint (33) is movably connected with a suspension (32), a spring seat (34) is embedded between the pawl push head (35) and the suspension (32), the right end of the suspension (32) is rotatably connected with a swing arm (31), the upper end of the swing arm (31) is rotatably connected with a main runner (30), a wedge-shaped wheel shaft (6) is arranged in an inner side hole of an inclined frame plate (23) in a penetrating manner, shaft core rods (19) are arranged at the left end and the right end of the wedge-shaped wheel shaft (6) in a penetrating manner, the shaft core rods (19) are embedded with bearing rings (28), and bevel,

tooth-shaped lines are etched on the surface of the middle part of the wedge-shaped wheel shaft (6), and the wedge-shaped wheel shaft (6) is meshed with the middle fluted disc (15) through spiral lines.

2. A multidirectional vehicle seat riser as defined in claim 1 wherein: the inboard right-hand member fluting of forearm (8) is provided with concave type notch, and U type notch upper end cell wall is protruding type chi form in forearm (8), sliding connection between forearm (8) outer wall and side digging arm (7) inner wall.

3. A multidirectional vehicle seat riser as defined in claim 1 wherein: the middle part of the motor (10) is rotatably connected with a crankshaft, the upper end of the motor (10) shaft penetrates through the shaft sleeve (14) and is fixedly connected with the shaft coupling (13), and the motor (10) shaft is rotatably connected with the upper twisting disc (12) through the shaft sleeve (14).

4. A multi-directional seat riser for vehicles as claimed in claim 3, wherein: go up and turn round dish (12) and turn round dish (11) middle part all trompil down and be provided with the round hole, and turn round dish (11) aperture inner wall etching down and have the spiral line, both ends run through threaded steel column about well chi dish (15) middle part, and well fluted disc (15) middle part threaded steel column surface evenly distributed has the screw thread, well fluted disc (15) are fixed in well fluted disc (15) threaded steel column upper end through the round hole grafting, and well fluted disc (15) threaded steel column lower extreme and turn round dish (11) round hole inner wall meshing butt joint down.

5. A multidirectional vehicle seat riser as defined in claim 1 wherein: the bevel gear disc (20) is meshed with the spiral gear (29), and the wedge-shaped wheel shaft (6) is rotationally connected with the spiral gear (29) through the bevel gear disc (20).

6. A multidirectional vehicle seat riser as defined in claim 1 wherein: the side wall of the main rotating wheel (30) is annularly provided with four angle-shaped teeth, the main rotating wheel (30) is meshed with a concave notch of the front arm (8) through the angle-shaped teeth, and the main rotating wheel (30) is rotatably connected with the side movable arm (7).

7. A multidirectional vehicle seat riser as defined in claim 1 wherein: the left end of the pawl push head (35) is tightly attached to the spring shaft (27), and when the pawl push head (35) is pushed inwards by the spring shaft (27), the pawl push head (35) rotates downwards along the wheel shaft joint (33) in a circumferential mode.

8. A multidirectional vehicle seat riser as defined in claim 1 wherein: the piston shaft (36) is a long strip-shaped round shaft, and an oil seal is embedded at the joint of the piston shaft (36) and the spring shaft (27).

9. A multidirectional vehicle seat riser as defined in claim 8 wherein: the hydraulic cylinder (37) is filled with oil, and the left end of the piston shaft (36) penetrates through the middle of the hydraulic cylinder (37).