CN218892460U

CN218892460U - Synchronous unlocking mechanism of automobile seat

Info

Publication number: CN218892460U
Application number: CN202222075166.2U
Authority: CN
Inventors: 胡小青; 胡志强; 刘志鑫; 范智声
Original assignee: Grameer Vehicle Seat Shaanxi Co ltd
Current assignee: Grameer Vehicle Seat Shaanxi Co ltd
Priority date: 2022-08-09
Filing date: 2022-08-09
Publication date: 2023-04-21
Anticipated expiration: 2032-08-09

Abstract

The utility model discloses a synchronous unlocking mechanism of an automobile seat, which comprises a seat base and a seat, wherein a rotating mechanism is arranged in the seat base, a rotating frame is fixed at the output end of the rotating mechanism, a sliding rail is arranged on the rotating frame, and the seat is arranged on the sliding rail; the synchronous unlocking mechanism is arranged between the seat base and the seat and comprises a driving assembly fixed on the rotating frame, and the output end of the driving assembly is provided with a sliding rail locking assembly and a rotating locking assembly; the driving assembly comprises a first driving air cylinder and a second driving air cylinder, wherein the first driving air cylinder is used for driving the sliding rail locking assembly, and the second driving air cylinder is used for driving the rotary locking assembly. The utility model has the advantage of facilitating the synchronous unlocking of the seat.

Description

Synchronous unlocking mechanism of automobile seat

Technical Field

The utility model relates to the technical field of automobile seats, in particular to a synchronous unlocking mechanism of an automobile seat.

Background

With the continuous improvement of the living standard of people and the continuous improvement of the road traffic state, automobiles become indispensable transportation means for many families, people bring convenience and rapidness to enjoying the automobiles, and simultaneously, higher requirements are put on the comfort of the automobiles, wherein the comfort of riding the automobile seats is the focus of the greatest attention of people, and how to adjust each mechanism of the seats to adapt to the riding of the passengers becomes particularly important, especially because of different riding habits of the passengers, different demands are placed on the shoulder supporting positions of the seats.

In order to adapt to different passenger postures, the automobile seat generally has a backrest angle adjusting function, namely, the backrest framework can be adjusted to a larger angle back and forth around a pivot axis pivoted with the cushion framework. In order to make the back row more comfortable, some car seats have a seat rotating function, but when the front and back positions and the rotating angle of the seats are adjusted, separate adjustment operations are needed, so that the car seats are not very convenient.

Disclosure of Invention

The utility model aims to overcome the defects of the prior art, and provides a synchronous unlocking mechanism for an automobile seat, which is ventilated through an air valve switch, so that a piston rod in a double-cylinder moves forwards along the axial direction, meanwhile, a stay wire fixing support on the piston rod of the cylinder is pulled to move forwards, the other side of the stay wire is respectively connected to a slide rail unlocking plate and a rotary table unlocking plate, and synchronous unlocking of a slide rail and a rotary frame is realized through the transmission of the stay wire movement.

The aim of the utility model is realized by the following technical scheme:

the synchronous unlocking mechanism of the automobile seat comprises a seat base and a seat, wherein a rotating mechanism is arranged in the seat base, a rotating frame is fixed at the output end of the rotating mechanism, a sliding rail is arranged on the rotating frame, and the seat is arranged on the sliding rail;

the synchronous unlocking mechanism is arranged between the seat base and the seat and comprises a driving assembly fixed on the rotating frame, and the output end of the driving assembly is provided with a sliding rail locking assembly and a rotating locking assembly.

Further, the driving assembly comprises a first driving cylinder and a second driving cylinder, wherein the first driving cylinder is used for driving the sliding rail locking assembly, and the second driving cylinder is used for driving the rotary locking assembly.

Further, the cylinder frame is fixed on the upper side of the middle part of the rotating frame, the first driving cylinder and the second driving cylinder are fixed on the cylinder frame, a first movable pull tab is fixed on the output end of the first driving cylinder, a first fixing sheet is fixed outside the cylinder body of the first driving cylinder and close to the output end, two first pull wires are clamped on the first movable pull tab and the first fixing sheet, and the other end of each first pull wire is fixed on the sliding rail locking assembly.

Further, the sliding rail locking assembly comprises an installation seat fixed on the inner side of the sliding rail, a limiting piece is hinged to the installation seat, a first torsion spring is installed at the rotating position of the limiting piece, a first fixing ring is fixed on the inner side of the limiting piece, a fixing seat is fixed on the inner side of the bottom of the seat, and the other end of the first stay wire is fixed on the first fixing ring and the fixing seat; the limiting groove is formed in the lower side of the limiting piece, the sliding rail is provided with a sliding block matched with the limiting piece, a limiting strip is fixed on the sliding block, and the limiting groove is in sliding clamping with the limiting strip.

Further, a second movable pull tab is fixed at the output end of the second driving cylinder, two second fixing sheets are fixed outside the cylinder body of the second driving cylinder, a second pull wire is clamped between the second movable pull tab and the second fixing sheets, and the other end of the second pull wire is fixed on the rotary locking assembly.

Further, the rotary locking assembly comprises a shaft sleeve seat fixed on the seat base, a rotating shaft is arranged in the shaft sleeve seat, a second torsion spring is arranged between the shaft sleeve seat and the rotating shaft, the rotary locking assembly penetrates through the rotary frame, a clamping piece is further fixed on the rotating shaft, a clamping groove is formed in the rotary frame, and the clamping piece is in movable contact with the clamping groove; the side of the card is fixed with a second fixing ring, and the other end of the second stay wire is fixed in the second fixing ring.

The utility model has the beneficial effects that:

according to the automobile seat synchronous unlocking mechanism, the sliding rail and the rotary unlocking device are not required to be unlocked manually, synchronous unlocking can be achieved by pulling the corresponding stay wire through movement of the cylinder piston rod, the automobile seat synchronous unlocking mechanism is convenient and concise to use by a user, meanwhile, the user can conveniently and rapidly move the seat sliding rail forwards and backwards and operate the seat rotationally, the quality and the market competitiveness of a seat product can be improved, the operation of a commercial vehicle end user is simple, man-machine is facilitated, and the use experience and satisfaction of the user are improved.

Drawings

FIG. 1 is a view showing a construction of a use state of the present utility model;

FIG. 2 is a bottom view of the present utility model;

FIG. 3 is a schematic diagram of the structure of the present utility model;

fig. 4 is an enlarged view at a in fig. 2;

fig. 5 is an enlarged view at B in fig. 3;

fig. 6 is an enlarged view at C in fig. 3.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present utility model more clear, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. It will be apparent that the described embodiments are some, but not all, embodiments of the utility model. The components of the embodiments of the present utility model generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations. Thus, the following detailed description of the embodiments of the utility model, as presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

In this embodiment, as shown in fig. 1 to 6, an automobile seat synchronous unlocking mechanism includes a seat base 1 and a seat 2, a rotating mechanism is disposed in the seat base 1, a rotating frame 3 is fixed on an output end of the rotating mechanism, a sliding rail 4 is disposed on the rotating frame 3, and the seat 2 is disposed on the sliding rail 4; the synchronous unlocking mechanism is arranged between the seat base 1 and the seat 2 and comprises a driving assembly fixed on the rotating frame 3, and the output end of the driving assembly is provided with a sliding rail locking assembly and a rotating locking assembly.

In this embodiment, the sliding rail adopts the prior art, and the specific structure thereof is not repeated, and the sliding rail includes a sliding rail, a sliding block and a motor; the rotating mechanism comprises a rotating motor fixed in the seat base, and the rotating frame 3 is fixed on the output end of the rotating motor.

The present embodiment is further configured to: the driving assembly comprises a first driving cylinder 5 and a second driving cylinder 6, wherein the first driving cylinder 5 is used for driving the sliding rail locking assembly, and the second driving cylinder 6 is used for driving the rotation locking assembly.

In this embodiment, the stroke of the output end of the first driving cylinder 5 is 15mm, and the stroke of the output end of the second driving cylinder 6 is 40mm; the air inlet and outlet of the first driving cylinder 5 and the second driving cylinder 6 are controlled through valves, and the switch of the valves is arranged outside the seat.

The present embodiment is further configured to: the middle part upside of swivel mount 3 is fixed with cylinder frame 7, first drive cylinder 5 and second drive cylinder 6 are fixed in on the cylinder frame 7, be fixed with first movable pull tab 8 on the output of first drive cylinder 5, be fixed with first stationary blade 9 in the outside of the cylinder body of first drive cylinder 5 and near the output position, the card is equipped with two first pull wires 10 on first movable pull tab 8 and the first stationary blade 9, the other end of first pull wire 10 is fixed in on the slide rail locking component.

In this embodiment, the number of the sliding rails is two, and the number of the sliding rail locking assemblies is two, which are respectively arranged at the inner sides of the sliding rails.

The present embodiment is further configured to: the sliding rail locking assembly comprises a mounting seat fixed on the inner side of the sliding rail 4, a limiting piece 11 is hinged on the mounting seat, a first torsion spring 12 is arranged at the rotating position of the limiting piece 11, a first fixing ring 111 is fixed on the inner side of the limiting piece 11, a fixing seat 13 is fixed on the inner side of the bottom of the seat 2, and the other end of the first stay wire 10 is fixed on the first fixing ring 111 and the fixing seat 13; the limiting groove is formed in the lower side of the limiting piece 11, the sliding rail 4 is provided with a sliding block matched with the limiting piece, a limiting strip is fixed on the sliding block, and the limiting groove is in sliding clamping with the limiting strip.

In this embodiment, the limiting piece 11 is bounded by a hinge, and has a long end and a short end, the first fixing ring 111 is fixed on the long side end and far away from the first torsion spring 12, and the limiting groove is also located on the long side end and near the first torsion spring 12;

the present embodiment is further configured to: the output end of the second driving cylinder 6 is fixedly provided with a second movable pull tab 14, two second fixing sheets 15 are fixedly arranged outside the cylinder body of the second driving cylinder 6, a second pull wire 16 is clamped between the second movable pull tab 14 and the second fixing sheets 15, and the other end of the second pull wire 16 is fixedly arranged on the rotary locking assembly.

In this embodiment, the first and

second wires

10, 16 are similar to a brake wire structure, and include an outer sleeve and a metal strip extending through the outer sleeve.

The outer sleeve on the first pull wire 10 is fixed on the first fixing piece 9 and the fixing seat 13, one end of the metal strip on the first pull wire 10 is fixed on the first movable pull piece 8, and the other end of the metal strip is fixed on the first fixing ring 111; when the first pull wire 10 pulls the first fixing ring 111, the limiting strip is separated from the limiting groove, the sliding rail acts, and when the sliding rail needs to be reset, the first driving cylinder 5 resets, and then the limiting piece 11 resets through the first torsion spring 12.

The present embodiment is further configured to: the rotary locking assembly comprises a shaft sleeve seat 17 fixed on the seat base 1, a rotating shaft is arranged in the shaft sleeve seat 17, a second torsion spring 18 is arranged between the shaft sleeve seat 17 and the rotating shaft, the rotary locking assembly penetrates through the rotary frame 3, a clamping piece 19 is further fixed on the rotating shaft, a clamping groove is formed in the rotary frame 3, and the clamping piece 19 is in movable contact with the clamping groove; a second fixing ring 20 is fixed on the side surface of the card 19, and the other end of the second pull wire 16 is fixed in the second fixing ring 20.

In this embodiment, the outer sleeve on the second pull wire 16 is fixed on the two second fixing pieces 15, one end of the metal strip is fixed on the second movable pull piece 14, and the other end is fixed in the second fixing ring 20; when the second pull wire 16 pulls the card 19, the rotating shaft rotates, the card 19 is separated from the clamping groove, the rotating frame 3 acts, and when the second pull wire needs to be reset, the second driving air cylinder 6 resets, and then the card 19 is reset through the second torsion spring 18.

The working principle of the utility model is as follows: the piston rods in the first driving cylinder 5 and the second driving cylinder 6 move forwards along the axial direction through the switch control valve, meanwhile, the first pull wire 10 and the second pull wire 16 are driven to move forwards, the other sides of the first pull wire 10 and the second pull wire 16 are respectively connected to the sliding rail locking assembly and the rotating locking assembly, and synchronous unlocking of the sliding rail 4 and the rotating frame 3 is achieved through movement transmission of the first pull wire 10 and the second pull wire 16.

In the description of the present utility model, it should be noted that, directions or positional relationships indicated by terms such as "upper", "lower", "inner", "outer", "left", "right", etc., are directions or positional relationships based on those shown in the drawings, or are directions or positional relationships conventionally put in place when the inventive product is used, or are directions or positional relationships conventionally understood by those skilled in the art, are merely for convenience of describing the present utility model and for simplifying the description, and are not indicative or implying that the apparatus or element to be referred to must have a specific direction, be constructed and operated in a specific direction, and therefore should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like, are used merely to distinguish between descriptions and should not be construed as indicating or implying relative importance. In the description of the present utility model, it should also be noted that, unless explicitly specified and limited otherwise, terms such as "disposed," "connected," and the like are to be construed broadly, and for example, "connected" may be either fixedly connected, detachably connected, or integrally connected; 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 above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

Claims

1. The utility model provides a synchronous release mechanism of car seat, includes seat base (1) and seat (2), be provided with rotary mechanism in seat base (1), be fixed with swivel mount (3) on rotary mechanism's the output, be provided with slide rail (4) on swivel mount (3), seat (2) set up on slide rail (4), its characterized in that:

the synchronous unlocking mechanism is arranged between the seat base (1) and the seat (2), and comprises a driving assembly fixed on the rotating frame (3), and the output end of the driving assembly is provided with a sliding rail locking assembly and a rotating locking assembly.

2. The synchronized unlocking mechanism for a car seat according to claim 1, wherein: the driving assembly comprises a first driving air cylinder (5) and a second driving air cylinder (6), wherein the first driving air cylinder (5) is used for driving the sliding rail locking assembly, and the second driving air cylinder (6) is used for driving the rotation locking assembly.

3. The synchronized unlocking mechanism for a car seat according to claim 2, wherein: the rotary rack is characterized in that an air cylinder frame (7) is fixed on the upper side of the middle of the rotary rack (3), a first driving air cylinder (5) and a second driving air cylinder (6) are fixed on the air cylinder frame (7), a first movable pull tab (8) is fixed on the output end of the first driving air cylinder (5), a first fixing sheet (9) is fixed outside the cylinder body of the first driving air cylinder (5) and close to the output end, two first pull wires (10) are clamped on the first movable pull tab (8) and the first fixing sheet (9), and the other end of the first pull wire (10) is fixed on a sliding rail locking assembly.

4. A synchronous unlocking mechanism for a car seat according to claim 3, wherein: the sliding rail locking assembly comprises a mounting seat fixed on the inner side of the sliding rail (4), a limiting piece (11) is hinged to the mounting seat, a first torsion spring (12) is mounted at the rotating position of the limiting piece (11), a first fixing ring (111) is fixed on the inner side of the limiting piece (11), a fixing seat (13) is fixed on the inner side of the bottom of the seat (2), and the other end of the first stay wire (10) is fixed on the first fixing ring (111) and the fixing seat (13); the lower side of the limiting piece (11) is provided with a limiting groove, the sliding rail (4) is provided with a sliding block matched with the limiting piece, the sliding block is fixedly provided with a limiting strip, and the limiting groove is in sliding clamping with the limiting strip.

5. The synchronized unlocking mechanism for a car seat according to claim 2, wherein: the output end of the second driving cylinder (6) is fixedly provided with a second movable pull tab (14), two second fixing sheets (15) are fixedly arranged outside the cylinder body of the second driving cylinder (6), a second pull wire (16) is clamped between the second movable pull tab (14) and the second fixing sheets (15), and the other end of the second pull wire (16) is fixedly arranged on the rotary locking assembly.

6. The synchronized unlocking mechanism for a car seat according to claim 5, wherein: the rotary locking assembly comprises a shaft sleeve seat (17) fixed on the seat base (1), a rotating shaft is arranged in the shaft sleeve seat (17), a second torsion spring (18) is arranged between the shaft sleeve seat (17) and the rotating shaft, the rotary locking assembly penetrates through the rotating frame (3), a clamping piece (19) is further fixed on the rotating shaft, a clamping groove is formed in the rotating frame (3), and the clamping piece (19) is in movable contact with the clamping groove; the side of the card (19) is fixed with a second fixed ring (20), and the other end of the second stay wire (16) is fixed in the second fixed ring (20).