CN215552675U - Seat cushion framework with adjustable angle, seat and vehicle - Google Patents

Abstract

The utility model provides a seat cushion framework with an adjustable angle, a seat and a vehicle, belonging to the technical field of automobiles and comprising a seat frame framework, a rear connecting plate, a middle connecting plate and a front connecting rod driving mechanism, wherein the rear connecting plate is hinged at the rear end of the seat frame framework; the upper end of the rear connecting plate is also provided with a first hinge point for connecting the seat basin; the rear end of the middle connecting plate is hinged to a second hinge point of the rear connecting plate; the front connecting rod driving mechanism is rotationally connected to the front end of the seat frame framework; the front end of the middle connecting plate is rotatably connected to the front connecting rod driving mechanism. According to the seat cushion framework with the adjustable angle, the seat cushion and the backrest can be manually adjusted in a combined manner by adjusting the angle of the rear end of the seat cushion, the optimal comfort angle is realized, the problem that the lying is influenced by the difference of the sections of the seat cushion and the backrest is solved, and the comfort level of lying and resting is improved.

Description

Seat cushion framework with adjustable angle, seat and vehicle

Technical Field

The utility model belongs to the technical field of automobiles, and particularly relates to a seat cushion framework with an adjustable angle, a seat based on the seat cushion framework with the adjustable angle and a vehicle.

Background

With the increase of the travel opportunities for people to drive in leisure, the time of passengers on the vehicle is longer and longer, so that a lot of new demands are made on the vehicle. For example, long distance driving requires a break, or remote areas without hotels, the car will become the second choice for break or accommodation. The design and configuration of an automobile seat can affect the quality of passenger rest, so that many MPV/SUV type seats can be designed with a seat cushion adjustment function to meet the resting needs of drivers and passengers.

In order to meet the requirements of different drivers and passengers on body height and comfort, the conventional automobile seat cushion generally has a height adjusting function, and the front part of the seat cushion is provided with an upward inclined angle of 10-15 degrees during design. When the seat backrest is opened, because the angle of the rear part of the seat cushion is not enough, the rear part of the seat cushion forms a depression which is concave downwards, when a driver and a passenger have a rest on the seat, the rear part of the seat cushion can not completely wrap the hip of the body, the hip of the human body is in a suspended state, the waist of the human body is in a load bearing state, and the requirement of comfort level of relaxing and resting the human body can not be met.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a seat cushion framework with an adjustable angle, which can realize the angle adjustment of the rear part of a seat cushion and enable a human body to achieve a comfortable rest posture.

In a first aspect, to achieve the above object, an embodiment of the present invention provides a seat cushion frame with an adjustable angle, including:

a seat frame framework;

the rear connecting plate is hinged to the rear end of the seat frame framework; the upper end of the rear connecting plate is also provided with a first hinge point for connecting the seat basin;

the rear end of the middle connecting plate is hinged to a second hinge point of the rear connecting plate; and

the front connecting rod driving mechanism is rotatably connected to the front end of the seat frame framework; the front end of the middle connecting plate is hinged to the front connecting rod driving mechanism.

In a possible implementation manner of the first aspect, the front connecting rod driving mechanism includes a main driving assembly, a front connecting rod and a right connecting plate, the main driving assembly is disposed on the left side plate of the seat frame framework, and the left end of the front connecting rod is in driving connection with the main driving assembly; the lower end of the right connecting plate is rotatably connected to the right end of the front connecting rod, and the upper end of the right connecting plate is rotatably connected with the front end of the middle connecting plate.

In a possible implementation manner of the first aspect, the main driving assembly includes a connecting toothed plate and a height adjuster, the connecting toothed plate is of a fan-shaped structure, the left end of the front connecting rod is rotatably connected to the circle center of the fan-shaped connecting toothed plate, and the front end of the middle connecting plate is eccentrically connected to the connecting toothed plate.

In a possible implementation manner of the first aspect, a center connecting line of a first hinge point, a second hinge point, and a third hinge point hinged to the seat frame framework on the rear connecting plate forms a triangular structure.

In a possible implementation manner of the first aspect, the rear connecting plate is a bent sheet metal part, and the upper end of the rear connecting plate is bent in a direction away from the left side plate or the right side plate.

In a possible implementation manner of the first aspect, the seat cushion framework further includes two front connecting plates, lower ends of the two front connecting plates are hinged to the inner side of the left side plate and the inner side of the right side plate respectively, a fourth hinge point for connecting a seat pan is arranged at the upper end of the front connecting plate, and the two front connecting plates and the two rear connecting plates form four supporting points of the seat pan.

In a possible implementation manner of the first aspect, the seat cushion framework further includes a seat pan front reinforcing rod and a seat pan rear reinforcing rod, and the seat pan front reinforcing rod and the seat pan rear reinforcing rod are respectively connected to the front end and the rear end of the seat frame framework.

In a possible implementation manner of the first aspect, the seat cushion frame further includes slide rails respectively disposed at lower ends of the left side plate and the right side plate.

In a second aspect, an embodiment of the utility model provides a seat, which includes the seat cushion framework with the adjustable angle and a seat pan arranged on the seat cushion framework, wherein a front connecting plate is further arranged on the seat cushion framework, four corners of the bottom of the seat pan are respectively provided with a seat pan rear support and a seat pan front support, and the two seat pan rear supports are respectively and rotatably connected with the rear connecting plate; the two front brackets of the seat basin are respectively connected with the front connecting plate in a rotating way.

In a third aspect, the embodiment of the utility model provides a vehicle with the seat.

The seat cushion framework with the adjustable angle and the seat have the advantages that: compared with the prior art, the seat cushion framework with the adjustable angle is characterized in that the front connecting rod driving mechanism is arranged at the front end of the seat framework, the seat basin is connected with the front connecting rod driving mechanism through the rear connecting plate and the middle connecting plate, the front connecting rod driving mechanism rotates to drive the middle connecting plate to rotate, and the middle connecting plate drives the rear connecting plate to rotate, so that the upward or downward angle adjustment of the rear end of the seat basin is realized, and a comfortable rest posture is achieved.

According to the vehicle provided by the utility model, due to the adoption of the seat, the manual joint adjustment of the seat cushion and the backrest can be realized by adjusting the rear end angle of the seat cushion, the optimal comfort angle is realized, the problem that the lying flat is influenced due to the difference of the sections of the seat cushion and the backrest is solved, the comfort level of lying flat and resting is improved, the comfortable resting angle of drivers and passengers can be met, and the driving quality of the whole vehicle is improved.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed for the embodiments or the prior art descriptions will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.

Fig. 1 is an exploded view of a seat cushion frame with an adjustable angle according to an embodiment of the present invention;

FIG. 2 is a schematic view of a seat frame framework according to an embodiment of the present invention;

FIG. 3 is an enlarged partial schematic view of the structure at A in FIG. 2 (front connecting rod driving mechanism);

fig. 4 is a partial enlarged structural schematic view (slide rail unlocking mechanism) at B in fig. 2;

FIG. 5 is a schematic front view of the seat frame framework of FIG. 2;

FIG. 6 is a schematic view of a seat frame framework in another perspective according to an embodiment of the present invention;

FIG. 7 is a schematic structural view of the front connecting rod driving mechanism provided in FIG. 1;

FIG. 8 is a schematic structural view of the intermediate connection plate provided in FIG. 1;

FIG. 9 is a schematic structural view of the front connection plate provided in FIG. 1;

FIG. 10 is a schematic structural view of the rear connecting plate provided in FIG. 1;

FIG. 11 is a schematic bottom view of the bowl of FIG. 1;

FIG. 12 is a schematic top view of the bowl provided in FIG. 1;

fig. 13 is a schematic structural view of a design position of an angularly adjustable seat cushion frame employed in the embodiment of the present invention;

fig. 14 is a schematic structural view of a middle position of an angularly adjustable seat cushion frame employed in an embodiment of the present invention;

fig. 15 is a schematic structural view of a leveling position of the seat cushion frame with an adjustable angle according to the embodiment of the present invention.

In the figure: 1. a seat basin; 2. an intermediate connection plate; 3. a front connecting rod driving mechanism; 31. a right connecting plate; 32. a front connecting rod; 33. a connecting toothed plate; 4. a front connecting plate; 5. unlocking a handle lever; 6. a seat pan front reinforcement bar; 7. a left front leg; 8. a left rear leg; 9. a slide rail; 10. a left side plate; 11. a seat pan rear reinforcement bar; 12. a rear connecting plate; 13. a right rear leg; 14. a right front leg; 15. a right side plate; 16. a high tone device; 17. a handle; 18. a slide rail reinforcing plate; 19. a connecting shaft; 20. a lock cylinder; 21. unlocking the hook; 22. a seat pan front bracket; 23. a seat basin rear support; 24. a seat pan reinforcement plate; 25. a nut; 26. fixing a bracket; 27. a limiting bump; 28. a drive gear; 29. and (5) unlocking the hole.

Detailed Description

In order to make the technical problems, technical solutions and advantageous effects to be solved by the present invention more clearly apparent, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the utility model and are not intended to limit the utility model.

As shown in fig. 1 to 8, the seat cushion frame with adjustable angle in one embodiment includes a seat frame, a rear connecting plate 12, a middle connecting plate 2 and a front connecting rod driving mechanism 3, wherein the rear connecting plate 12 is hinged to the rear end of the seat frame; the upper end of the rear connecting plate 12 is also provided with a first hinge point for connecting the seat basin 1; the rear end of the middle connecting plate 2 is hinged to a second hinge point of the rear connecting plate 12; the front connecting rod driving mechanism 3 is rotationally connected to the front end of the seat frame framework; the front end of the intermediate connecting plate 2 is hinged on the front connecting rod driving mechanism 3.

Compared with the prior art, the seat cushion framework with the adjustable angle, provided by the utility model, has the advantage that the angle of the rear end of the seat basin can be adjusted. Specifically, the front connecting rod actuating mechanism 3 is at the front end of the seat frame, and the seat basin passes through the back connecting plate 12, intermediate junction plate 2 and is connected with the front connecting rod actuating mechanism 3, and the rotation of front connecting rod actuating mechanism 3 drives the rotation of intermediate junction plate 2, and intermediate junction plate 2 drives back connecting plate 12 and rotates to realize the ascending or decurrent angle modulation of seat basin rear end, reach comfortable rest gesture.

Referring to fig. 1 to 2, 4 to 5, and 7, as a specific embodiment of the front connecting rod driving mechanism 3 provided by the present invention, the front connecting rod driving mechanism 3 includes a main driving assembly, a front connecting rod 32, and a right connecting plate 31, the main driving assembly is disposed on the left side plate of the seat frame framework, and the left end and the right end of the front connecting rod 32 are respectively rotatably connected to the left side plate 10 and the right side plate 15; the lower end of the right connecting plate 31 is rotatably connected to the right end of the front connecting rod 32, and the upper end of the right connecting plate 31 is rotatably connected to the front end of the right middle connecting plate 2. When the angle of the seat basin is adjusted, the main driving assembly drives the front connecting rod, the front connecting rod drives the rear connecting plate through the middle connecting plate, and the rear connecting plate drives the angle of the rear end of the seat basin to be adjusted.

Based on the front connecting rod driving mechanism 3, as shown in fig. 2, 3 and 7, as an embodiment of the main driving assembly, the main driving assembly includes a connecting toothed plate 33 and a height adjuster 16, the connecting toothed plate 33 is of a fan-shaped structure, the left end of the front connecting rod 32 is rotatably connected to the center of the fan-shaped connecting toothed plate 33, and the intermediate connecting plate 2 is eccentrically connected to the connecting toothed plate 33. The front end of the middle connecting plate 2 is eccentrically hinged on the connecting toothed plate 33, and a free movement space is provided for the action of the connecting rod structure.

Specifically, referring to fig. 2 and 3, the connecting toothed plate 33 is engaged with the driving gear 28 in the height adjuster 16, and the handle 17 of the height adjuster 16 is operated, so that the driving gear 28 drives the connecting toothed plate 33 to rotate, and further drives the front connecting rod 32, the middle connecting plate 2 and the rear connecting plate 12 to be linked. The lower end of the connecting toothed plate 33 is rotatably connected to the left end of the front connecting rod 32, and the upper end of the connecting toothed plate 33 is rotatably connected with the middle connecting plate 2 on the right side; the high governor 16 is disposed outside the left side plate 10, and the driving gear 28 of the high governor 16 is engaged with the connecting tooth plate 33.

The angle adjusting process of the seat cushion framework provided by the utility model is as follows: as shown by the arrow in fig. 5, when the handle 17 moves upward, the handle 17 drives the height adjuster 16 to rotate counterclockwise, under the action of the height adjuster 16, the connecting toothed plate 33 starts to rotate clockwise around the rotating shaft, the connecting toothed plate 33 drives the middle connecting plate 2, the middle connecting plate 2 drives the rear connecting plate 12, the rear connecting plate 12 starts to rotate counterclockwise around the rotating shaft, and the rear end of the seat pan starts to move downward, so that the downward angle adjustment of the seat pan is realized; when the handle 17 moves downwards, the handle 17 drives the height adjuster 16 to rotate clockwise, under the action of the height adjuster 16, the connecting toothed plate 33 starts to rotate anticlockwise around the rotating shaft, the connecting toothed plate 33 drives the middle connecting plate 2, the middle connecting plate 2 drives the rear connecting plate 12, the rear connecting plate 12 starts to rotate clockwise around the rotating shaft, the rear end of the seat basin starts to move upwards, and the angle of the rear end of the seat basin is adjusted upwards.

For example, when the navigating mate is at the rest, can adjust handle 17, realize the regulation of seat basin rear end angle, through the best buttock parcel effect of angle modulation, reach the best travelling comfort, can realize the function of lying flat with the seat back simultaneously, improve the comfort level that the rest was laid flat and lain, satisfy the different demand of taking of driver and crew.

It should be noted that the height adjuster 16 is a height adjuster for a vehicle seat, and is a conventional component for adjusting a seat angle, and is available in the prior art, which is a common technique in the field. The structural principle of the high tuner is exemplified as follows: the automobile seat height adjuster generally comprises a handle 17, a return spring, a handle cover, a first-stage overrunning clutch, a connecting disc, a second-stage overrunning clutch, a wheel shell and a driving gear 28 which are sequentially sleeved on a central shaft, wherein the return spring is pre-tightened outside the handle cover and restrains the handle 17; the first-stage overrunning clutch is arranged in a cavity between the handle housing and the connecting disc and is fixedly connected with the handle; the second-stage overrunning clutch is arranged in a cavity between the other side surface of the connecting disc and the wheel shell and is positioned and driven by the connecting disc; the handle housing and the wheel housing are butted to form a shell of the whole regulator, and the first-stage overrunning clutch, the connecting disc and the second-stage overrunning clutch are all arranged in the shell; drive gear 28 is connected with the second stage overrunning clutch. Wherein the central shaft is rotatably connected to the left side plate 10, and the housing of the height adjuster 16 is connected to the left side plate 10 by spot welding.

In this embodiment, referring to fig. 7, one end of the front connecting rod 32 is provided with a connecting toothed plate 33, and the other end is provided with a right connecting plate 31. In other embodiments, both ends of the front connecting rod 32 may be provided as the connecting tooth plates 33.

As shown in fig. 5, the connecting toothed plate 33, the left middle connecting plate 2 and the rear connecting plate 12 on the same side form a linkage link structure; in the same way, the right connecting plate 31, the middle connecting plate 2 on the right side and the rear connecting plate 12 on the same side form a linkage connecting rod structure; the front connecting rod driving mechanism 3 is positioned at the front end of the seat basin 1 and drives the rear end of the seat basin 1 to ascend or descend through a connecting rod structure; the angle adjustment of the rear end of the seat basin 1 is realized, and the adjustment is simple and convenient.

An example of installation is as follows: the locating hole the inside at left side board 10 and right side board 15 is installed at preceding connecting rod 32 both ends, establishes through riveting soon and becomes to carry out the port shaping, realizes being connected with the seat basin skeleton, and intermediate junction board 2 passes through the rivet with connecting tooth plate 33 and realizes being connected the rotation.

Based on the front connecting rod driving mechanism 3, as shown in fig. 1 and 10, as an embodiment of the rear connecting plate 12, three hinge points are provided on the rear connecting plate 12, wherein a central connection line formed by a first hinge point, a second hinge point and a third hinge point of the first hinge point and the second hinge point on the rear connecting plate 12 and the seat frame framework forms a triangular structure. The rear connecting plate 12 rotates around the hinge point at the middle rear part, and provides a free movement space for the action of the connecting rod structure through three hinge points of the triangular structure.

As a modified embodiment of the rear link plate 12, as shown in fig. 1 and 10, the rear link plate 12 is a bent sheet metal member, and an upper end of the rear link plate 12 is bent in a direction away from the left side plate 10 or the right side plate 15. The rigidity of the rear connecting plate 12 is improved by bending the rear connecting plate 12; the three hinge points are not positioned on the same plane, stress points are dispersed, and the bearing capacity of the rear connecting plate 12 is improved; the gap between the upper end of the rear connecting plate 12 and the left side plate 10 and the gap between the upper end of the rear connecting plate and the right side plate 15 are also increased, the problem of rotation clamping stagnation caused by interference between adjacent parts is avoided, and smooth angle adjustment of the seat cushion is guaranteed.

Regarding the specific assembly of the rear connecting plate 12, in combination with the structure of the bowl, the following is exemplified: the rear connecting plate 12 is connected with the left rear support of the seat basin through a rivet and can rotate around the rivet; the rear connecting plate 12 is connected with the middle connecting plate 2 through a rivet, so that rotation can be realized; the rear connecting plate 12 is riveted with the left side plate 10 of the seat frame framework through a rivet and can rotate around the rivet.

As a specific example of the seat cushion frame provided in this embodiment, the seat cushion frame includes two rear connecting plates 12 and two middle connecting plates 2, and third hinge points of the two rear connecting plates 12 are respectively hinged at inner sides of a left side plate 10 and a right side plate 15; the front ends of the two middle connecting plates 2 are respectively hinged at the left end and the right end of the front connecting rod 32, and the rear ends of the two middle connecting plates 2 are respectively hinged with the rear connecting plate 12 at the same side. The four-bar linkage structure formed by the front connecting rod 32, the middle connecting plate 2 and the rear connecting plate 12 of the embodiment can stably adjust and support the angle adjustment of the seat.

In other embodiments, the rear connecting plate 12 and the middle connecting plate 2 can be one or more, and the angle adjustment of the rear end of the seat can be realized.

As an improved embodiment of the seat cushion frame with adjustable angle provided by this embodiment, as shown in fig. 1 and fig. 9, the seat cushion frame further includes two front connecting plates 4, the lower ends of the two front connecting plates 4 are hinged to the inner side of the left side plate 10 and the inner side of the right side plate 15 respectively, the upper end of the front connecting plate 4 is provided with a fourth hinge point for connecting the seat pan, and the two front connecting plates 4 and the two rear connecting plates 12 form four supporting points of the seat pan. The front connecting plate 4 is connected with the rivet through spin riveting, the rivet is welded on the left side plate 10 and the right side plate 15 of the seat basin framework, the rivet respectively rivets the front connecting plate 4 with the seat basin front support 22 together, and the seat basin 1 is rotated.

The number of the front connecting plates 4 can also be one or three, the number of the front connecting plates can correspond to the number of the rear connecting plates 12 and the number of the middle connecting plates 2, when the number of the front connecting plates 4 is three, one of the front connecting plates is hinged in the middle of the front end of the seat frame framework, or the three front connecting plates are connected together through a shaft.

Based on the above-mentioned front connecting plate 4, referring to fig. 1, fig. 2 and fig. 6, as another modified embodiment of the seat cushion framework, the seat cushion framework further includes a seat pan front reinforcing rod 6 and a seat pan rear reinforcing rod 11, and the seat pan front reinforcing rod 6 and the seat pan rear reinforcing rod 11 are respectively connected to the front end and the rear end of the seat frame framework. The seat pan front reinforcing rod 6 and the seat pan rear reinforcing rod 11 provide reliable support for the seat pan 1, and the bearing capacity of the seat cushion is greatly increased. The seat basin front reinforcing rod 6 and the seat basin rear reinforcing rod 11 in the embodiment are made of materials such as steel pipes and steel plates. Specifically, the seat pan front reinforcing rod 6 is formed by turning and fixed with the left side plate 10 and the right side plate 15 through M10 bolts, so that the seat pan framework is reinforced; the rear reinforcing rod 11 of the seat basin is formed by turning and is in CO connection with the left side plate 10 and the right side plate 15₂The protection welding realizes the connection and plays a role in strengthening the seat basin framework.

As another modified embodiment of the seat cushion frame, referring to fig. 1, 2 and 6, the seat cushion frame further includes a slide rail 9 disposed at the lower end of the left side plate 10 and the right side plate 15. The slide rail 9 is a part for realizing the forward and backward movement adjustment of the seat, and is widely applied to automobiles. The left slide rail 9 is connected to the vehicle body floor via a left front leg 7 and a left rear leg 8, and the right slide rail 9 is connected to the vehicle body floor via a right front leg 14 and a right rear leg 13.

In this embodiment, referring to fig. 2, 4 and 6, a slide rail unlocking mechanism is provided, and the slide rail unlocking mechanism specifically includes: the unlocking handle rod 5, the fixing supports 26 arranged at two ends of the unlocking handle rod 5 and the lock cylinder 20 connected with the sliding rail 9, wherein the unlocking handle rod 5 is a bending piece, and two ends of the unlocking handle rod are rotationally connected with the fixing supports 26 through the connecting shaft 19; the two ends of the unlocking handle rod 5 are also respectively connected with the limit lugs 27 of the lock cylinder 20; the two fixed brackets 26 are respectively fixed on the inner side of the left side plate 10 and the inner side of the right side plate 15, the fixed brackets 26 are provided with unlocking hooks 21, and the lock cylinder 20 is provided with unlocking holes 29 for hooking the unlocking hooks 21. The unlocking hook 21 is connected with the unlocking hole 29 in a hanging mode, the sliding rail 9 is unlocked, and the seat can move back and forth to be adjusted. Referring to an arrow shown in fig. 6, the operation process is as follows, when unlocking, the unlocking handle lever 5 is lifted upwards, the unlocking handle lever 5 presses the lock cylinder 20 downwards through the limiting bump 27 on the lock cylinder 20, the unlocking hook 21 is hooked with the unlocking hole 29, and the sliding rail 9 is unlocked; when locking, the unlocking handle lever 5 is pressed downwards, the unlocking handle lever 5 lifts the lock cylinder 20 upwards through the limiting bump 27 on the lock cylinder 20, the unlocking hook 21 is separated from the unlocking hole 29, and locking of the sliding rail 9 is achieved. Wherein the lock cylinder 20 has a freedom of movement up and down with respect to the slide rail 9.

Specifically, the four legs are formed by a stamping process and CO with the slide rail 9₂The protection welding realizes connection, and the protection welding is fixed with the floor of the vehicle body through an M12 bolt; the slide rail reinforcing plate 18 connected between the left slide rail 9 and the right slide rail 9 is formed by a stamping process and is CO-connected with the slide rails 9₂The connection is realized by shielded welding, and the Y-direction strength of the framework is mainly enhanced; the unlocking handle rod 5 is molded through a pipe bending process and assembled with the sliding rail 9 to unlock the sliding rail 9, so that the seat moves forwards and backwards.

Based on the same inventive concept, referring to fig. 1 and 11, an embodiment of the utility model provides a seat, which comprises a seat cushion framework with an adjustable angle and a seat pan arranged on the seat cushion framework, wherein a front connecting plate 4 is further arranged on the seat cushion framework, four corners of the bottom of the seat pan are respectively provided with a seat pan rear support 23 and a seat pan front support 22, and the two seat pan rear supports 23 are respectively in rotating connection with a rear connecting plate 12; the two seat basin front brackets 22 are respectively connected with the front connecting plate 4 in a rotating way. Fig. 13 is a state diagram of a design position of a seat cushion frame, and the seat cushion frame reaches the position of the state shown in fig. 14 and 15 by adjusting the angle of the rear portion of the seat cushion, fig. 14 is a state diagram of a middle position of the seat cushion frame, and fig. 15 is a state diagram of a leveling position of the seat cushion frame.

Referring to fig. 12, the four corners of the upper portion of the seat pan are respectively provided with a seat pan reinforcing plate 24, so that the bearing strength of the seat is improved. In the installation example, the reinforcing plate is welded with the M8 nut 25 and then welded on the seat basin; the four brackets of the seat basin are connected on the seat basin through M8 bolts.

Based on the same inventive concept, the embodiment of the utility model provides a vehicle with the seat. The vehicle provided by the embodiment can realize manual joint adjustment of the seat cushion and the backrest, realize the optimal comfort angle, solve the problem that the seat cushion and the backrest have a section difference to influence lying, and improve the comfort level of lying and resting; the expansion of different functions of the SUV, the car, the pickup and the MPV can be realized.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the utility model, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.

Claims (10)

1. A seat cushion frame with an adjustable angle is characterized by comprising:

a seat frame framework;

the rear connecting plate (12) is hinged to the rear end of the seat frame framework, and a first hinge point for connecting the seat basin (1) is further arranged on the rear connecting plate (12);

the rear end of the middle connecting plate (2) is hinged to a second hinge point of the rear connecting plate (12); and

the front connecting rod driving mechanism (3) is rotatably connected to the front end of the seat frame framework; the front end of the middle connecting plate (2) is hinged to the front connecting rod driving mechanism (3).

2. The angularly adjustable seat cushion frame as claimed in claim 1, wherein said front link driving mechanism (3) comprises a main driving assembly, a front link (32) and a right link plate (31), said main driving assembly being disposed on a left side plate of said seat frame, a left end of said front link (32) being drivingly connected to said main driving assembly; the lower end of the right connecting plate (31) is rotatably connected to the right end of the front connecting rod (32), and the upper end of the right connecting plate (31) is rotatably connected with the front end of the middle connecting plate (2).

3. The angularly adjustable seat cushion frame according to claim 2, characterized in that the main driving assembly comprises a connecting toothed plate (33) and a height adjuster (16), the connecting toothed plate (33) has a fan-shaped structure, the left end of the front connecting rod (32) is rotatably connected to the center of the fan-shaped connecting toothed plate (33), and the front end of the middle connecting plate (2) is eccentrically connected to the connecting toothed plate (33).

4. The angularly adjustable seat cushion frame as set forth in claim 1, wherein the first hinge point, the second hinge point and the third hinge point of the rear link plate (12) are connected at their centers to form a triangular structure.

5. The seat cushion frame with the adjustable angle as claimed in claim 1, characterized in that the rear connecting plate (12) is a bent sheet metal part, and the upper end of the rear connecting plate (12) is bent in a direction away from the left side plate (10) or the right side plate (15) of the seat frame.

6. The seat cushion frame with the adjustable angle as claimed in claim 1, wherein the seat cushion frame further comprises two front connecting plates (4), the lower ends of the two front connecting plates (4) are hinged to the inner side of the left side plate (10) and the inner side of the right side plate (15) of the seat frame respectively, the upper end of the front connecting plate (4) is provided with a fourth hinge point for connecting the seat pan (1), and the two front connecting plates (4) and the two rear connecting plates (12) form four support points of the seat pan.

7. The angularly adjustable seat cushion frame as claimed in claim 1, further comprising a seat pan front reinforcement bar (6) and a seat pan rear reinforcement bar (11), wherein the seat pan front reinforcement bar (6) and the seat pan rear reinforcement bar (11) are connected to a front end and a rear end of the seat frame, respectively.

8. The seat cushion frame with adjustable angle according to claim 1, wherein the seat cushion frame further comprises slide rails (9) respectively disposed at lower ends of the left side plate (10) and the right side plate (15) of the seat frame.

9. A seat, characterized by comprising the angularly adjustable seat cushion frame according to any one of claims 1 to 8 and a seat pan (1) disposed on the seat cushion frame, wherein a front connecting plate (4) is further disposed on the seat cushion frame, four corners of the bottom of the seat pan (1) are respectively provided with a seat pan rear bracket (23) and a seat pan front bracket (22), and the two seat pan rear brackets (23) are respectively rotatably connected with the rear connecting plate (12); the two seat basin front supports (22) are respectively connected with the front connecting plate (4) in a rotating mode.

10. A vehicle having a seat as claimed in claim 9.

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