CN219360878U

CN219360878U - Seat base structure

Info

Publication number: CN219360878U
Application number: CN202223366200.8U
Authority: CN
Inventors: 谢达伟
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-12-15
Filing date: 2022-12-15
Publication date: 2023-07-18
Anticipated expiration: 2032-12-15

Abstract

The utility model belongs to the technical field of vehicle seats, and particularly discloses a seat base structure, which comprises a base support and a driving assembly, wherein the driving assembly comprises a motor, the output end of the motor is fixedly connected with a first gear through a rotating shaft, the top of the base support is fixedly connected with a second gear through the rotating shaft, both sides of the first gear and both sides of the second gear are respectively provided with a first rack plate, one side opposite to the two first rack plates is provided with a group of sliding blocks, and the number of each group of sliding blocks is two.

Description

Seat base structure

Technical Field

The present application relates to the field of vehicle seating technology, and more particularly, to a seat seating structure.

Background

The automobile seat belongs to an automobile basic device, is an important safety component of an automobile, and is used for connecting a human body and an automobile body together in the automobile, and directly relates to comfort and safety of passengers.

In the patent, through setting up collision protection device on at least one of seat support and fixed skeleton, after the vehicle took place the frontal collision, can realize that the seat is automatic to back to drive the interior personnel on the seat and back, avoid the head collision that the interior personnel leaned forward under inertial action and lead to, improved the security of interior personnel of vehicle.

However, when the car collides, the personnel in the car can retreat along with the seat, and the safety belt is separated from the personnel in the car by a certain distance, so that the safety belt is loosened, the personnel in the car can incline forwards due to inertia during the collision, the protection effect is not achieved, and the casualty accident can be caused.

Disclosure of Invention

In order to solve the above-mentioned problem, the present application provides a seat base structure.

The application provides a seat base structure adopts following technical scheme:

a seat base structure comprising a base support;

the driving assembly comprises a motor, wherein the output end of the motor is fixedly connected with a first gear through a rotating shaft, the top of the base support is fixedly connected with a second gear through the rotating shaft, both sides of the first gear and both sides of the second gear are respectively provided with a first rack plate, one side, opposite to the first rack plates, of each first rack plate is provided with a group of sliding blocks, and the number of each group of sliding blocks is two;

the locking assembly comprises a second rack plate, wherein the second rack plate is positioned on one side of one sliding block, one end of the top of the base support is fixedly connected with a third gear through a rotating shaft, the top end of the rotating shaft is fixedly connected with a first bevel gear, one side of the first bevel gear is provided with a second bevel gear, one end of the second bevel gear is fixedly connected with a winding roller, one end of the top of the base support is fixedly connected with a fixing block, and the winding roller is rotationally connected with the fixing block.

Further, first gear and second gear mesh mutually, two first rack board meshes with first gear and second gear respectively, two the equal fixedly connected with third electric putter in bottom of first rack board, every third electric putter all with the inside sliding connection of base support, two the equal fixedly connected with movable block in opposite one side of first rack board, two the opposite one side of movable block all is equipped with the connecting block, every connecting block respectively with corresponding slider fixed connection.

Further, the second rack plate is meshed with the third gear, the first bevel gear is meshed with the second bevel gear, and two mounting holes are formed in two ends of the base support.

Further, the top of base support is equipped with two slide rails, every group the slider is sliding connection with corresponding slide rail respectively, every group one side of slider all is equipped with locking subassembly.

Further, the locking subassembly includes the fixed plate, the spout has been seted up to the inside one end of base support, spout inner wall sliding connection has first electric putter, the fixed plate is located first electric putter's top, two the one end of slide rail all is equipped with the locking piece, two the locking piece respectively with fixed plate both ends fixed connection, the both ends of base support all are equipped with the baffle, one of them the one end fixedly connected with second electric putter of baffle, the one end fixedly connected with block of second electric putter, one of them one side fixed connection of block and first electric putter, one of them the both ends fixedly connected with reset spring of baffle, every reset spring keeps away from the one end and the corresponding locking piece fixed connection of baffle.

Through the technical scheme, the locking component can unlock the sliding limitation of the sliding block when the vehicle collides.

Further, two sets of top fixedly connected with fixed skeleton of slide rail, the top of fixed skeleton is equipped with the seat, the front side of seat is equipped with the safety belt, one side of seat is equipped with places the board, the one end of safety belt runs through and extends to the outside of placing the board and overlaps the outer wall of locating the wind-up roll after.

In summary, the present application includes at least one of the following beneficial technical effects:

(1) The utility model can lock the safety belt when the front collision seat of the vehicle retreats, by arranging the locking component, when the sliding blocks move backwards, one sliding block drives the second rack plate to move backwards, the second rack plate moves backwards to drive the third gear to rotate, the third gear rotates to drive the first bevel gear to rotate, the first bevel gear rotates to drive the second bevel gear to rotate, the second bevel gear rotates to drive the winding roller to rotate when the seat moves backwards, the winding roller rotates to wind the safety belt, so that the safety belt locks personnel in the vehicle, the safety belt is prevented from loosening, personnel in the vehicle incline forwards due to inertia, and the occurrence of casualty accidents is reduced;

(2) According to the utility model, the sliding limitation of the sliding blocks can be unlocked when a vehicle collides, the locking assembly is arranged, when the vehicle collides, the pressure sensor arranged on the front periphery of the vehicle receives collision induction, the first electric push rod is started, the first electric push rod pushes the fixing plate to move upwards, the fixing plate moves upwards to drive the locking blocks at two ends to move upwards, the reset spring is in a stretching state, when the locking blocks are separated from the sliding rail upwards, the reset spring rebounds, the rebound force cooperates with the force of the second electric push rod to move the locking blocks to one side close to one baffle, and the sliding blocks are not limited when moving backwards.

Drawings

FIG. 1 is a schematic view of the overall structure of a seat base structure;

FIG. 2 is a schematic view of the overall structure of the base bracket of the present application;

FIG. 3 is a schematic view of a locking assembly of the present application;

FIG. 4 is an enlarged view of the structure of FIG. 2A of the present application;

fig. 5 is an enlarged view of the structure at B in fig. 3 of the present application.

The reference numerals in the figures illustrate:

1. a base bracket; 2. a slide rail; 3. fixing the framework; 4. a seat; 5. a slide block; 6. a connecting block; 7. a moving block; 8. a motor; 9. a first rack plate; 10. a first gear; 11. a second gear; 12. a first electric push rod; 13. a second electric push rod; 14. a fixing plate; 15. a baffle; 16. placing a plate; 17. a safety belt; 18. a second rack plate; 19. a third gear; 20. a first bevel gear; 21. a second bevel gear; 22. a wind-up roll; 23. a fixed block; 24. a locking block; 25. and a return spring.

Detailed Description

The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application; it is apparent that the described embodiments are only a part of the embodiments of the present application, not all of the embodiments, and all other embodiments obtained by a person having ordinary skill in the art without making creative efforts based on the embodiments in the present application are within the scope of protection of the present application.

In the description of the present application, it should be noted that the directions or positional relationships indicated by the terms "upper", "lower", "inner", "outer", "top/bottom", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of description of the present application and to simplify the description, and do not indicate or imply that the devices or elements to be referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present application. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present application, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "configured to," "engaged with," "connected to," and the like are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the terms in this application will be understood by those of ordinary skill in the art in a specific context.

Referring to fig. 1-5, a seat base structure, a base bracket 1;

the driving assembly comprises a motor 8, the output end of the motor 8 is fixedly connected with a first gear 10 through a rotating shaft, the top of the base bracket 1 is fixedly connected with a second gear 11 through the rotating shaft, both sides of the first gear 10 and the second gear 11 are respectively provided with a first rack plate 9, one side, opposite to the two first rack plates 9, is respectively provided with a group of sliding blocks 5, and the number of each group of sliding blocks 5 is two;

the locking assembly comprises a second rack plate 18, the second rack plate 18 is located on one side of one sliding block 5, one end of the top of the base support 1 is fixedly connected with a third gear 19 through a rotating shaft, the top end of the rotating shaft is fixedly connected with a first bevel gear 20, one side of the first bevel gear 20 is provided with a second bevel gear 21, one end of the second bevel gear 21 is fixedly connected with a winding roller 22, one end of the top of the base support 1 is fixedly connected with a fixed block 23, and the winding roller 22 is in rotary connection with the fixed block 23.

Referring to fig. 1 to 5, a first gear 10 is meshed with a second gear 11, two first rack plates 9 are respectively meshed with the first gear 10 and the second gear 11, the bottoms of the two first rack plates 9 are fixedly connected with third electric push rods 120, each third electric push rod 120 is in sliding connection with the inside of a base bracket 1, moving blocks 7 are fixedly connected to opposite sides of the two first rack plates 9, connecting blocks 6 are arranged on opposite sides of the two moving blocks 7, each connecting block 6 is fixedly connected with a corresponding sliding block 5, the second rack plates 18 are meshed with third gears 19, first bevel gears 20 are meshed with second bevel gears 21, and two mounting holes are formed in two ends of the base bracket 1.

Referring to fig. 2-4, the top of the base support 1 is provided with two slide rails 2, each group of slide blocks 5 is in sliding connection with the corresponding slide rail 2 respectively, one side of each group of slide blocks 5 is provided with a locking component, the locking component comprises a fixing plate 14, one end of the inside of the base support 1 is provided with a sliding groove, the inner wall of the sliding groove is in sliding connection with a first electric push rod 12, the fixing plate 14 is located at the top end of the first electric push rod 12, one ends of the two slide rails 2 are provided with locking blocks 24, the two locking blocks 24 are fixedly connected with two ends of the fixing plate 14 respectively, two ends of the base support 1 are provided with baffle plates 15, one end of one baffle plate 15 is fixedly connected with a second electric push rod 13, one end of the second electric push rod 13 is fixedly connected with a block, one side of the block is fixedly connected with the first electric push rod 12, two ends of one baffle plate 15 are fixedly connected with reset springs 25, and one end of each reset spring 25, which is far away from the baffle plate 15, is fixedly connected with the corresponding locking blocks 24.

Through the setting of locking subassembly, can unlock the slip restriction of slider 5 when the vehicle collision takes place, specifically when the vehicle collision takes place, arrange behind the pressure sensor of vehicle front wall received collision response, start first electric putter 12, first electric putter 12 promotes fixed plate 14 upwards, fixed plate 14 upwards moves the locking piece 24 that drives both ends and upwards moves, return spring 25 is in tensile state this moment, when locking piece 24 upwards breaks away from slide rail 2, return spring 25 kick-backs, the power of resilience cooperates the power of second electric putter 13 to remove locking piece 24 to be close to one of them baffle 15 one side, slider 5 no longer receives the restriction when moving backward.

Referring to fig. 1-5, the top ends of the two sets of sliding rails 2 are fixedly connected with a fixed framework 3, the top of the fixed framework 3 is provided with a seat 4, the front side of the seat 4 is provided with a safety belt 17, one side of the seat 4 is provided with a placing plate 16, and one end of the safety belt 17 penetrates through the outer wall of the winding roller 22 after extending to the outside of the placing plate 16.

By the provision of the wind-up roll 22, tightening of the webbing 17 is facilitated.

Working principle: when the collision occurs to the vehicle, after the collision is sensed by the pressure sensor on the periphery of the vehicle, the first electric push rod 12 is started, the fixed plate 14 is pushed to move upwards, the fixed plate 14 moves upwards to drive the locking blocks 24 at two ends to move upwards, at the moment, the return spring 25 is in a stretching state, when the locking blocks 24 are separated from the sliding rail 2 upwards, the return spring 25 rebounds, the rebound force cooperates with the force of the second electric push rod 13 to move the locking blocks 24 to one side close to one baffle 15, the sliding block 5 is not limited when moving backwards, at the moment, the motor 8 is started, the motor 8 drives the first gear 10 to rotate, the first gear 10 rotates to drive the second gear 11 to rotate, then drives the two groups of sliding blocks 5 to move backwards on the sliding rail 2 while driving the two groups of sliding blocks 5 to move backwards on the sliding rail 2, and then drives the seat 4 to move backwards, when the sliding block 5 moves backwards, one sliding block 5 drives the second gear 18 to move backwards, the second gear 18 moves backwards to drive the third gear 19 to rotate, the third gear 19 rotates to drive the first bevel gear 20 to rotate, the first bevel gear 20 rotates to drive the second bevel gear 21 to rotate, the second bevel gear 21 to rotate 21 to drive the second bevel gear 21 to rotate, and the seat belt 17 to rotate inwards, and the seat belt 17 rotates to the seat belt 17 simultaneously.

The foregoing are all preferred embodiments of the present application, and are not intended to limit the scope of the present application in any way, therefore: all equivalent changes in structure, shape and principle of this application should be covered in the protection scope of this application.

Claims

1. A seat base structure comprising:

a base support (1);

the driving assembly comprises a motor (8), wherein the output end of the motor (8) is fixedly connected with a first gear (10) through a rotating shaft, the top of the base bracket (1) is fixedly connected with a second gear (11) through the rotating shaft, both sides of the first gear (10) and the second gear (11) are respectively provided with a first rack plate (9), one side of each of the two opposite sides of each first rack plate (9) is provided with a group of sliding blocks (5), and the number of each group of sliding blocks (5) is two;

the locking assembly comprises a second rack plate (18), wherein the second rack plate (18) is positioned on one side of one sliding block (5), one end of the top of the base support (1) is fixedly connected with a third gear (19) through a rotating shaft, the top end of the rotating shaft is fixedly connected with a first bevel gear (20), one side of the first bevel gear (20) is provided with a second bevel gear (21), one end of the second bevel gear (21) is fixedly connected with a winding roller (22), one end of the top of the base support (1) is fixedly connected with a fixed block (23), and the winding roller (22) is rotationally connected with the fixed block (23).

2. A seat base structure as claimed in claim 1, wherein: the first gear (10) is meshed with the second gear (11), the two first rack plates (9) are meshed with the first gear (10) and the second gear (11) respectively, the two bottoms of the first rack plates (9) are fixedly connected with third electric push rods (120), each third electric push rod (120) is in sliding connection with the inside of the base support (1), the two opposite sides of the first rack plates (9) are fixedly connected with moving blocks (7), the two opposite sides of the moving blocks (7) are respectively provided with connecting blocks (6), and each connecting block (6) is fixedly connected with a corresponding sliding block (5) respectively.

3. A seat base structure as claimed in claim 1, wherein: the second rack plate (18) is meshed with the third gear (19), the first bevel gear (20) is meshed with the second bevel gear (21), and two mounting holes are formed in two ends of the base support (1).

4. A seat base structure as claimed in claim 1, wherein: the top of base support (1) is equipped with two slide rails (2), every group slider (5) respectively with corresponding slide rail (2) be sliding connection, every group one side of slider (5) all is equipped with locking subassembly.

5. A seat base structure as set forth in claim 4, wherein: the locking assembly comprises a fixing plate (14), a sliding groove is formed in one end of the inside of the base support (1), a first electric push rod (12) is connected to the inner wall of the sliding groove in a sliding mode, the fixing plate (14) is located at the top end of the first electric push rod (12), two locking blocks (24) are arranged at one end of the sliding rail (2), the two locking blocks (24) are fixedly connected with two ends of the fixing plate (14) respectively, baffle plates (15) are arranged at two ends of the base support (1), one of the baffle plates (15) is fixedly connected with a second electric push rod (13), one end of the second electric push rod (13) is fixedly connected with a block body, one side of the block body is fixedly connected with one side of the first electric push rod (12), two ends of the baffle plates (15) are fixedly connected with reset springs (25), and one end, far away from the baffle plates (15), of each reset spring (25) is fixedly connected with the corresponding locking blocks (24).

6. A seat base structure as set forth in claim 4, wherein: two sets of top fixedly connected with fixed skeleton (3) of slide rail (2), the top of fixed skeleton (3) is equipped with seat (4), the front side of seat (4) is equipped with safety belt (17), one side of seat (4) is equipped with places board (16), the one end of safety belt (17) runs through and extends to the outside of placing board (16) and overlaps the outer wall of locating wind-up roll (22).