CN219277295U

CN219277295U - Automobile rear seat framework adjusting mechanism

Info

Publication number: CN219277295U
Application number: CN202320883602.0U
Authority: CN
Inventors: 黄道祝
Original assignee: Zhejiang Jujin Automobile & Motor Cycle Accessories Co ltd
Current assignee: Jujin Automotive Parts Group Co.,Ltd.
Priority date: 2023-04-17
Filing date: 2023-04-17
Publication date: 2023-06-30
Anticipated expiration: 2033-04-17

Abstract

The utility model provides an automobile rear seat framework adjusting mechanism, and belongs to the technical field of automobile seats. The folding seat backrest solves the problem that the seat backrest in the prior art cannot be completely laid down after being folded. This car back row seat skeleton adjustment mechanism, be in including a plurality of fixing bases that are used for being connected with the automobile body floor and rotationally setting seat cushion skeleton on the fixing base, the front portion of seat cushion skeleton is provided with a plurality of fixed bolsters, be provided with the connecting rod support on the fixed bolster, the one end of connecting rod support can be followed the width direction of seat cushion skeleton and slided and set up on the fixed bolster, its other end with the fixing base is articulated to be connected, just still be provided with the locking subassembly that is used for making connecting rod support lock or unblock on the fixed bolster. The utility model has the advantage of realizing the complete tipping and flattening of the back row seat backrest.

Description

Automobile rear seat framework adjusting mechanism

Technical Field

The utility model belongs to the technical field of automobile seats, and relates to an automobile rear seat framework adjusting mechanism.

Background

With the continuous popularization of automobiles and the increasing of the living standard of people, automobiles are gradually changed from a walking tool convenient for working and traveling to an optimal partner for family traveling, and no matter the automobiles go out for outing or travel for long distance, self-driving is also becoming a main choice of more and more automobile families, so that the configuration of automobile storage space is also a main concern when people purchase automobiles.

At present, the trunk is the main storing space of car, also is the biggest storing space, in order to satisfy the demand of customer to bigger storing space, and partial motorcycle type makes the storing space of trunk extend to in the passenger cabin through the mode of backing down the back seat back to communicate with the trunk and form a bigger storing space, also be convenient for put into some overlength and super wide article, however, the back seat that can put down the back has following shortcoming now: in order to enable the seat to conform to ergonomics, the front surfaces of a seat cushion and a backrest of the existing seat are uneven so as to be closer to the human body curve, and riding comfort is improved, but after the seat backrest is put down, an inclined included angle is formed between the back surface of the backrest and the ground of the trunk, a larger step is formed, namely the front end of the backrest is tilted upwards, the seat backrest cannot be completely flattened after being folded, so that luggage or articles are placed on the seat backrest and always have a backward sliding trend, and the tilted seat backrest not only affects the size of a storage space, but also affects the use experience of the trunk.

Disclosure of Invention

The utility model aims to solve the problems in the prior art and provides an automobile rear seat framework adjusting mechanism. The utility model aims to solve the technical problem of realizing the complete tipping and flattening of the back row seat back.

The aim of the utility model can be achieved by the following technical scheme:

the utility model provides an automobile back row seat skeleton adjustment mechanism, is in including a plurality of fixing bases that are used for being connected with the automobile body floor and rotationally setting seat cushion skeleton on the fixing base, its characterized in that, the front portion of seat cushion skeleton is provided with a plurality of fixed bolster, be provided with the connecting rod support on the fixed bolster, the one end of connecting rod support can be followed the width direction of seat cushion skeleton and slided and set up on the fixed bolster, its other end with the fixing base is articulated to be connected, just still be provided with the locking subassembly that is used for making connecting rod support lock or unblock on the fixed bolster.

When the automobile seat backrest is used, the back row seat backrest is hinged to the seat cushion framework, when the back row seat backrest needs to be turned over forwards, the fixed support and the connecting rod support are unlocked firstly, then the seat cushion is pressed downwards, the upper end of the connecting rod support is forced to slide towards the rear of the seat in the width direction of the seat cushion framework by external force, meanwhile, the lower end of the connecting rod support rotates around the fixed seat, and because the fixed support moves downwards along with the seat cushion in the pressing process, the connecting rod support continuously falls towards the rear of the seat in the sliding process until the connecting rod support slides to the rear of the seat to the limit position (when the seat cushion is required to return, the seat cushion is required to be reversely operated), the seat framework and the seat cushion sink independently, the seat cushion framework can fall forwards to make a space for the backrest to fall forwards, and the step difference between the seat backrest and the ground of a trunk is eliminated after the seat backrest of the back row is turned over, and the seat backrest of the back row seat framework of the automobile can be completely turned over to be flat.

In the automobile rear seat framework adjusting mechanism, the fixing support is U-shaped, sliding holes are respectively formed in two opposite side walls of the fixing support along the width direction of the seat cushion framework, sliding rods are arranged on the connecting rod support, and the sliding rods penetrate through the two sliding holes and can slide along the extending direction of the sliding holes. When the seat cushion is pressed downwards or lifted upwards, the external force can force the sliding rod on the connecting rod support to slide along the sliding hole, and meanwhile, the lower end of the connecting rod support rotates around the fixing seat, so that the connecting rod support can better incline backwards or return forwards, and further, the back seat backrest of the rear row can be better completely overturned and put flat or return, and meanwhile, the matching structure of the sliding rod and the sliding hole is simple in structure and low in use cost.

In the above-mentioned automobile back row seat skeleton adjustment mechanism, the locking subassembly is including setting up the casing on the fixed bolster, but be provided with main locking plate and vice locking plate on the casing wobbling, just linkage setting between main locking plate and the vice locking plate, offer on the casing and be used for supplying the gliding breach of stepping down of slide bar, offer the locking breach that is used for holding the slide bar on the main locking plate, be provided with on the vice locking plate and be used for driving its wobbling unblock stretching strap. The locking assembly with the structure is simple in structure and low in use cost, the locking effect is good, locking and unlocking operations are convenient, and particularly, an elastic reset piece is further arranged between the main locking plate and the shell, when unlocking is needed, an operator pulls the unlocking pull belt to drive the auxiliary locking plate to swing, then the auxiliary locking plate drives the main locking plate to swing, the notch of the locking notch on the main locking plate rotates towards the extending direction of the sliding hole (the notch orientation of the yielding notch is consistent with the extending direction of the sliding hole), so that a slide rod positioned in the locking notch can be separated from the locking notch and slide along the sliding hole, when locking is needed, the operator drives the slide rod to slide along the sliding hole by lifting the seat cushion upwards, after the slide rod slides to the locking notch, the slide rod impacts the inner wall of the locking notch, so that the main locking plate swings (the auxiliary locking plate swings to follow the main locking plate at first until reaching the locking position, and the main locking plate, the auxiliary locking plate and the shell form a self-limiting structure) until the notch orientation of the locking notch on the main locking plate is substantially perpendicular to the extending direction of the sliding hole, so that the slide rod cannot be separated from the locking notch.

In the above-mentioned automobile rear seat skeleton adjusting mechanism, the casing is arranged on the fixed bracket through a plurality of bolts, and two bolts are arranged up and down oppositely, and the main locking plate and the auxiliary locking plate are respectively arranged on the two bolts in a swinging way. The bolt can make things convenient for locking subassembly's dismouting, simultaneously, set up the bolt of master locking board and vice locking board and can also regard as the pivot, can reduce the quantity of spare part, and a thing is multi-purpose, simplifies locking subassembly's structure, reduction in use cost.

In the automobile rear seat framework adjusting mechanism, the shell is further provided with the buffer block used for buffering the impact of the sliding rod, and the buffer block is located at the side of the abdication notch and partially stretches into the abdication notch. The buffer block can avoid mechanical hard collision of the sliding rod and the main locking plate, so that the automobile rear seat framework adjusting mechanism is more durable and can reduce collision noise.

In the automobile rear seat framework adjusting mechanism, the protective sleeve is arranged on the sliding hole and covers the edge of the sliding hole. The protective sleeve can avoid mechanical hard impact between the sliding rod and the inner wall of the sliding hole, so that the automobile rear seat framework adjusting mechanism is more durable and can reduce noise during sliding.

In the automobile rear seat framework adjusting mechanism, the sliding rod comprises a head and a rod part, annular step parts are respectively arranged at two ends of the rod part, the sliding rod is fixed on the connecting rod support through nuts, the head and the annular step parts far away from the head are abutted on the connecting rod support, and the annular step parts close to the head are abutted on the protective sleeve. The two annular step parts can further avoid axial displacement of the sliding rod in the sliding process, so that the automobile rear seat framework adjusting mechanism is more reliable to use.

Compared with the prior art, the automobile rear seat framework adjusting mechanism has the advantages that: the seat cushion framework of the automobile rear seat framework adjusting mechanism can sink independently, and the seat cushion framework can be used for making a space for the backrest to fall forward and fall flat, so that the step difference between the seat backrest and the ground of the trunk after the rear seat falls down is eliminated, the rear seat backrest can be completely fall flat, and meanwhile, the automobile rear seat framework adjusting mechanism is simple in structure and low in use cost.

Drawings

Fig. 1 is a schematic perspective view of a back seat frame adjusting mechanism of the automobile.

Fig. 2 is a schematic perspective view of the back seat frame adjusting mechanism (without seat cushion) of the present automobile.

Fig. 3 is a schematic perspective view of the fixing seat, the fixing bracket, the connecting rod bracket and the locking assembly of the framework adjusting mechanism of the rear seat of the automobile.

Fig. 4 is a cross-sectional view of the present automobile rear seat frame adjustment mechanism fixing base, fixing bracket, link bracket and locking assembly.

Fig. 5 is an exploded view of the present vehicle rear seat frame adjustment mechanism fixing base, fixing bracket, link bracket and locking assembly.

Fig. 6 is a partial enlarged view at a in fig. 5.

Fig. 7 is a schematic perspective view of a slide bar of the back seat frame adjusting mechanism of the automobile.

Fig. 8 is a sectional view showing a locked state of the lock assembly of the present automobile rear seat frame adjusting mechanism.

Fig. 9 is a schematic perspective view of the back seat frame adjusting mechanism of the present automobile in use.

Fig. 10 is a second perspective view of the back seat frame adjusting mechanism of the present vehicle.

In the figure, 1, a fixing seat; 2. a seat cushion framework; 3. a fixed bracket; 3a, sliding holes; 4. a connecting rod bracket; 5. a locking assembly; 5a, a shell; 5b, a master locking plate; 5b1, locking notch; 5c, auxiliary locking plate; 5d, giving way gaps; 6. a slide bar; 6a, head; 6b, a rod part; 6b1, annular step portion; 6c, nuts; 7. unlocking the pull belt; 8. a bolt; 9. a buffer block; 10. a protective sleeve; 11. a seat cushion; 12. a trunk floor; 13. an automobile roof; 14. a rear seat back.

Detailed Description

The following are specific embodiments of the present utility model and the technical solutions of the present utility model will be further described with reference to the accompanying drawings, but the present utility model is not limited to these embodiments.

1-10, including a plurality of fixing bases 1 that are used for being connected with the automobile body floor and rotationally set up the seatpad skeleton 2 on the fixing base 1, the front portion of seatpad skeleton 2 is provided with a plurality of fixed bolster 3, be provided with connecting rod support 4 on the fixed bolster 3, connecting rod support 4's one end can be followed seatpad skeleton 2's width direction and slidingly set up on the fixed bolster 3, its other end with fixing base 1 articulates and connects, just still be provided with on the fixed bolster 3 and be used for making connecting rod support 4 lock or the locking subassembly 5 of unblock. Specifically, the fixed support 3 is U-shaped, sliding holes 3a are respectively formed in two opposite side walls of the fixed support 3 along the width direction of the seat cushion framework 2, a sliding rod 6 is arranged on the connecting rod support 4, and the sliding rod 6 is arranged in the two sliding holes 3a in a penetrating manner and can slide along the extending direction of the sliding holes 3 a. The locking assembly 5 comprises a shell 5a arranged on the fixed support 3, a main locking plate 5b and an auxiliary locking plate 5c are arranged on the shell 5a in a swinging manner, the main locking plate 5b and the auxiliary locking plate 5c are arranged in a linkage manner, a yielding gap 5d for sliding the sliding rod 6 is formed in the shell 5a, a locking gap 5b1 for accommodating the sliding rod 6 is formed in the main locking plate 5b, and an unlocking pull belt 7 for driving the auxiliary locking plate 5c to swing is arranged on the auxiliary locking plate 5 c. Further, the housing 5a is provided on the fixed bracket 3 by a plurality of bolts 8, and two bolts 8 are provided in a vertically opposed manner, and the main lock plate 5b and the sub lock plate 5c are provided swingably on the two bolts 8, respectively. Further, a buffer block 9 for buffering the impact of the slide rod 6 is further provided on the housing 5a, and the buffer block 9 is located at the side of the relief notch 5d and partially extends into the relief notch 5 d. Still further, a protective sleeve 10 is disposed on the sliding hole 3a, and the protective sleeve 10 wraps the edge of the sliding hole 3 a. The sliding rod 6 comprises a head portion 6a and a rod portion 6b, annular step portions 6b1 are respectively arranged at two ends of the rod portion 6b, the sliding rod 6 is fixed on the connecting rod support 4 through nuts 6c, the head portion 6a and the annular step portions 6b1 far away from the head portion 6a are abutted on the connecting rod support 4, and the annular step portions 6b1 close to the head portion 6a are abutted on the protection sleeve 10. The seat cushion framework of the automobile rear seat framework adjusting mechanism can sink independently, and the seat cushion framework can be used for making a space for the backrest to fall forward and fall flat, so that the step difference between the seat backrest and the ground of the trunk after the rear seat falls down is eliminated, the rear seat backrest can be completely fall flat, and meanwhile, the automobile rear seat framework adjusting mechanism is simple in structure and low in use cost.

When the rear seat back is used, the rear seat back is hinged to the seat cushion framework 2, the rear seat back 14 and the seat cushion are integrally positioned below the automobile ceiling 13, and when the rear seat back 14 needs to be overturned forwards, the fixing support 3 and the connecting rod support 4 are unlocked firstly, and the unlocking process is as follows: the operator pulls the unlocking pull belt 7 to drive the auxiliary locking plate 5c to swing, then the auxiliary locking plate 5c drives the main locking plate 5b to swing and enables the notch of the locking notch 5b1 on the main locking plate 5b to rotate towards the extending direction of the sliding hole 3a (the notch of the abdicating notch 5d is consistent with the extending direction of the sliding hole 3 a) so that the sliding rod 6 positioned in the locking notch 5b1 can be separated from the locking notch 5b1 and slide along the sliding hole 3a, then the operator presses the seat cushion 11 downwards, the upper end of the connecting rod bracket 4 is forced to slide towards the rear of the seat in the width direction of the seat cushion framework 2 by external force, meanwhile, the lower end of the connecting rod bracket 4 rotates around the fixed seat 1, and the fixing bracket 3 moves downwards along with the seat cushion 11 in the pressing process, so that the connecting rod bracket 4 is also inclined towards the rear of the seat continuously in the sliding process until the connecting rod bracket 4 slides towards the rear of the seat to the limit position, namely, the seat framework 2 and the seat cushion 11 are independently sunken relative to the rear backrest 14; when the seat cushion 11 is required to return, an operator lifts the seat cushion 11 upwards, the seat frame 2 and the fixed support 3 move upwards along the seat cushion 11, the fixed support 3 drives the sliding rod 6 to slide forwards along the sliding hole 3a, after the sliding rod 6 slides to the locking notch 5b1, the sliding rod 6 impacts the inner wall of the locking notch 5b1, so that the main locking plate 5b swings (the auxiliary locking plate 5c swings to follow the main locking plate 5b at first until reaching the locking position, the main locking plate 5b, the auxiliary locking plate 5c and the shell 5a form a self-limiting structure), until the notch of the locking notch 5b1 on the main locking plate 5b faces approximately perpendicularly to the extending direction of the sliding hole 3a, so that the sliding rod 6 cannot be separated from the locking notch 5b1 to be locked, namely, the seat cushion 11 returns, and then the back 14 returns to the back of the rear seat can be returned after being singly turned.

The specific embodiments described herein are offered by way of example only to illustrate the spirit of the utility model. Those skilled in the art may make various modifications or additions to the described embodiments or substitutions thereof without departing from the spirit of the utility model or exceeding the scope of the utility model as defined in the accompanying claims.

Claims

1. The utility model provides an automobile back row seat skeleton adjustment mechanism, is in including a plurality of fixing base (1) that are used for being connected with the automobile body floor and rotationally setting seat cushion skeleton (2) on fixing base (1), a serial communication port, the front portion of seat cushion skeleton (2) is provided with a plurality of fixed bolster (3), be provided with connecting rod support (4) on fixed bolster (3), the one end of connecting rod support (4) can follow the width direction of seat cushion skeleton (2) and slidingly set up on fixed bolster (3), its other end with fixing base (1) hinged joint, just still be provided with on fixed bolster (3) and be used for making locking subassembly (5) of connecting rod support (4) locking or unblock.

2. The automobile rear seat framework adjusting mechanism according to claim 1, wherein the fixing support (3) is in a U shape, sliding holes (3 a) are respectively formed in two opposite side walls of the fixing support (3) along the width direction of the seat cushion framework (2), sliding rods (6) are arranged on the connecting rod support (4), and the sliding rods (6) are arranged in the two sliding holes (3 a) in a penetrating mode and can slide along the extending direction of the sliding holes (3 a).

3. The automobile rear seat framework adjusting mechanism according to claim 2, wherein the locking assembly (5) comprises a shell (5 a) arranged on the fixed support (3), a main locking plate (5 b) and an auxiliary locking plate (5 c) are arranged on the shell (5 a) in a swinging manner, the main locking plate (5 b) and the auxiliary locking plate (5 c) are arranged in a linkage manner, a yielding gap (5 d) for sliding a sliding rod (6) is formed in the shell (5 a), a locking gap (5 b 1) for accommodating the sliding rod (6) is formed in the main locking plate (5 b), and an unlocking pull belt (7) for driving the sliding rod (6) to swing is arranged on the auxiliary locking plate (5 c).

4. A rear seat frame adjusting mechanism for a vehicle according to claim 3, wherein the housing (5 a) is provided on the fixing bracket (3) by a plurality of bolts (8), and wherein two bolts (8) are provided opposite to each other up and down, and the main lock plate (5 b) and the sub lock plate (5 c) are provided swingably on the two bolts (8), respectively.

5. The automobile rear seat framework adjusting mechanism according to claim 3, wherein a buffer block (9) used for buffering the impact of the sliding rod (6) is further arranged on the shell (5 a), and the buffer block (9) is located beside the yielding gap (5 d) and partially stretches into the yielding gap (5 d).

6. The automobile rear seat frame adjusting mechanism according to claim 2, 3, 4 or 5, wherein a protective sleeve (10) is arranged on the sliding hole (3 a), and the protective sleeve (10) covers the edge of the sliding hole (3 a).

7. The automobile rear seat frame adjusting mechanism according to claim 6, wherein the sliding rod (6) comprises a head portion (6 a) and a rod portion (6 b), annular step portions (6 b 1) are respectively arranged at two ends of the rod portion (6 b), the sliding rod (6) is fixed on the connecting rod support (4) through nuts (6 c), the head portion (6 a) and the annular step portions (6 b 1) far away from the head portion (6 a) are abutted on the connecting rod support (4), and the annular step portions (6 b 1) close to the head portion (6 a) are abutted on the protective sleeve (10).