阅读说明：本技术 座椅抬升控制机构 (Seat lifting control mechanism ) 是由 黎清茂 何晓东 郭小芳 张国进 李泽亚 杨天宇 张果 董文娟 朱鹏羽 李元昆 毕 于 2021-02-05 设计创作，主要内容包括：本发明公开了一种座椅抬升控制机构,包括座框,所述座框通过联动机构安装在上滑轨上,座框与上滑轨之间设有执行机构和锁定机构；其中,所述锁定机构用于使座框固定保持在上滑轨上；所述执行机构用于控制锁定机构解锁,并通过所述联动机构驱动座框运动,使座框后端相对于上滑轨向上抬升。本发明的有益效果是：能够自动控制座框的后端向上抬升,使座椅整体前倾,显著提升乘客进入后排的便捷性,富有高级感。(The invention discloses a seat lifting control mechanism, which comprises a seat frame, wherein the seat frame is arranged on an upper sliding rail through a linkage mechanism, and an execution mechanism and a locking mechanism are arranged between the seat frame and the upper sliding rail; the locking mechanism is used for fixedly keeping the seat frame on the upper sliding rail; the actuating mechanism is used for controlling the locking mechanism to unlock and driving the seat frame to move through the linkage mechanism, so that the rear end of the seat frame is lifted upwards relative to the upper sliding rail. The invention has the beneficial effects that: the rear end that can automatic control seat frame upwards lifts, makes the seat wholly lean forward, is showing the convenience that promotes the passenger and get into the back row, is rich in senior sense.)

1. A seat lifting control mechanism, its characterized in that: the seat frame is characterized by comprising a seat frame (1), wherein the seat frame (1) is arranged on an upper sliding rail (2a) through a linkage mechanism (3), and an executing mechanism (4) and a locking mechanism (5) are arranged between the seat frame (1) and the upper sliding rail (2 a);

the locking mechanism (5) is used for fixedly keeping the seat frame (1) on the upper sliding rail (2 a); the actuating mechanism (4) is used for controlling the locking mechanism (5) to unlock and driving the seat frame (1) to move through the linkage mechanism (3), so that the rear end of the seat frame (1) is lifted upwards relative to the upper sliding rail (2 a).

2. The seat lift control mechanism of claim 1, wherein: the linkage mechanism (3) comprises a front connecting rod (3a) and a rear connecting rod (3b), the two ends of the front connecting rod (3a) and the two ends of the rear connecting rod (3b) are rotationally connected with the seat frame (1) and the upper sliding rail (2a) respectively, and the front connecting rod (3a), the rear connecting rod (3b), the seat frame (1) and the upper sliding rail (2a) form a four-bar linkage mechanism.

3. The seat lift control mechanism of claim 2, wherein: actuating mechanism (4) including screw thread cup joint preceding push rod (4a) and back screw rod (4b) to and drive back screw rod (4b) pivoted lifting motor (4c), fixed mounting has transfer part (4e) on preceding connecting rod (3a), and the front end of preceding push rod (4a) rotates and connects on transfer part (4e), it has support (4d) to go up slide rail (2a) inboard fixed mounting, lifting motor (4c) rotate and install on this support (4 d).

4. The seat lift control mechanism of claim 3, wherein: the locking mechanism (5) comprises a bolt (5a) rotatably mounted on the inner side of the seat frame (1) and a lock hook (5b) fixedly mounted on the upper sliding rail (2a), wherein a lock groove (5a1) matched with the lock hook (5b) is formed in the bolt (5 a).

5. The seat lift control mechanism of claim 4, wherein: one side of the transit part (4e) is rotatably provided with an unlocking plate (6), one end of the unlocking plate (6) is fixedly connected with the end part of the front push rod (4a) through a connecting shaft (6a), an unlocking groove (4e1) in sliding fit with the connecting shaft (6a) is formed in the transit part (4e), and a pull cable (7) is connected between the unlocking plate (6) and the lock tongue (5 a).

6. The seat lift control mechanism of claim 5, wherein: the middle part of the unlocking sheet (6) is hinged with the middle rotating part (4e), and the inhaul cable (7) is connected to one end of the unlocking sheet (6) far away from the connecting shaft (6 a).

7. The seat lift control mechanism of claim 4, wherein: the outside of spring bolt (5a) is equipped with casing (5c), and spring bolt (5a) can be at casing (5c) internal rotation, is equipped with on casing (5c) and detects sensor (8).

8. The seat lift control mechanism of claim 7, wherein: the lock bolt (5a) is provided with a first protruding part (5a2) and a second protruding part (5a3), and the shell (5c) is provided with a limiting part (5c1) positioned between the first protruding part (5a2) and the second protruding part (5a 3).

9. The seat lift control mechanism of any of claims 2 to 8, wherein: the upper end of the rear connecting rod (3b) is hinged to the rear end of the seat frame (1), and the lower end of the rear connecting rod (3b) is hinged to the middle of the upper sliding rail (2 a).

10. The seat lift control mechanism of any of claims 3 to 8, wherein: the front end of seat frame (1) rotates and installs first support shaft (1a), and the upper end fixed mounting of preceding connecting rod (3a) is on first support shaft (1a), the inboard fixed mounting of preceding connecting rod (3a) has second back shaft (4f), the tip and the second back shaft (4f) fixed connection of transit part (4 e).

Technical Field

The invention relates to the technical field of automobile seats, in particular to a seat lifting control mechanism.

Background

Some SUVs and commercial vehicle models are usually provided with three rows of seats in the vehicle, in order to make it more convenient for the passenger to get in and out the back row of seats, the position that is close to the door in the second row of seats usually is provided with the adjustable seat that can make things convenient for the back row to get in, and the back of this seat can turn over forward, and the seat can slide forward. The passenger passes in and out the back row seat and needs to adjust back and seat forward simultaneously to this adjustment process adopts manual control mostly, and the governing speed is slower, and operation experience is relatively poor, and the business turn over space is still very narrow after the adjustment, and user experience urgently needs the upgrading.

Disclosure of Invention

In view of this, the invention provides a seat lifting control mechanism, which can automatically control the rear end of a seat frame to lift upwards, so that the seat tilts forwards integrally, thereby significantly improving the convenience of passengers entering a rear row and bringing a high-grade feeling.

In order to achieve the purpose, the technical scheme of the invention is as follows:

a seat lifting control mechanism is characterized in that: the seat frame is arranged on the upper sliding rail through a linkage mechanism, and an executing mechanism and a locking mechanism are arranged between the seat frame and the upper sliding rail;

the locking mechanism is used for fixedly keeping the seat frame on the upper sliding rail; the actuating mechanism is used for controlling the locking mechanism to unlock and driving the seat frame to move through the linkage mechanism, so that the rear end of the seat frame is lifted upwards relative to the upper sliding rail.

By adopting the structure, under the driving of the actuating mechanism, the rear end of the seat frame can be lifted upwards to enable the seat to be inclined forwards integrally, and then the seat slide rail assembly is combined to move the seat forwards integrally, so that the space at the rear end of the seat can be fully vacated, and the passengers can enter the back row conveniently.

Preferably, the method comprises the following steps: the linkage mechanism comprises a front connecting rod and a rear connecting rod, the two ends of the front connecting rod and the two ends of the rear connecting rod are respectively in rotating connection with the seat frame and the upper sliding rail, and the front connecting rod, the rear connecting rod, the seat frame and the upper sliding rail form a four-bar linkage mechanism. By adopting the structure, the actuating mechanism drives the front connecting rod to rotate around the upper sliding rail, so that the rear end of the seat frame can be lifted upwards relative to the upper sliding rail.

Preferably, the method comprises the following steps: the actuating mechanism comprises a front push rod and a rear screw rod which are in threaded sleeve joint, and a lifting motor for driving the rear screw rod to rotate, a transfer component is fixedly mounted on the front connecting rod, the front end of the front push rod is connected to the transfer component in a rotating mode, a support is fixedly mounted on the inner side of the upper sliding rail, and the lifting motor is rotatably mounted on the support. By adopting the structure, the lifting motor drives the rear screw rod to rotate, and the front push rod can be pushed to move forwards, so that the front connecting rod is driven by the transfer component to rotate around the upper slide rail, and the seat frame is driven to move in a lifting manner.

Preferably, the method comprises the following steps: the locking mechanism comprises a lock tongue which is rotatably arranged on the inner side of the seat frame and a lock hook which is fixedly arranged on the upper slide rail, wherein a lock groove matched with the lock hook is arranged on the lock tongue. By adopting the structure, when the seat is normally used, the seat frame can be ensured to be fixedly kept on the upper sliding rail.

Preferably, the method comprises the following steps: one side of the transit part is rotatably provided with an unlocking sheet, one end of the unlocking sheet is fixedly connected with the end part of the front push rod through a connecting shaft, the transit part is provided with an unlocking groove in sliding fit with the connecting shaft, and the unlocking sheet is connected with the spring bolt through a pull rope. By adopting the structure, when the actuating mechanism is just started, the front push rod moves forwards to drive the unlocking sheet to rotate so as to force the inhaul cable to move, so that the lock tongue is driven to rotate, the lock groove on the lock tongue is separated from the lock hook on the upper slide rail, and the unlocking of the seat frame is realized.

Preferably, the method comprises the following steps: the middle part of the unlocking sheet is hinged with the transfer component, and the inhaul cable is connected to one end of the unlocking sheet, which is far away from the connecting shaft. By adopting the structure, the movement of the inhaul cable can be controlled by rotating the unlocking piece.

Preferably, the method comprises the following steps: the outside of spring bolt is equipped with the casing, and the spring bolt can rotate in the casing, is equipped with detection sensor on the casing. With the above configuration, it is possible to recognize whether or not the lock mechanism is held in the locked state.

Preferably, the method comprises the following steps: be equipped with first bulge and second bulge on the spring bolt, be equipped with the spacing portion that is located between first bulge and the second bulge on the casing. Adopt above-mentioned structure to the rotation range of control spring bolt.

Preferably, the method comprises the following steps: the upper end of the rear connecting rod is hinged to the rear end of the seat frame, and the lower end of the rear connecting rod is hinged to the middle of the upper sliding rail. By adopting the structure, the effective lifting height of the rear end of the seat frame can be ensured.

Preferably, the method comprises the following steps: the front end of seat frame rotates installs first support shaft, and the upper end fixed mounting of preceding connecting rod is on first support shaft, the inboard fixed mounting of preceding connecting rod has the second back shaft, the tip and the second back shaft fixed connection of transfer part. By adopting the structure, the front connecting rod, the middle rotating part, the unlocking sheet and other parts are conveniently arranged below the seat frame.

Compared with the prior art, the invention has the beneficial effects that:

1. the rear end of the seat frame can be automatically lifted upwards, so that the seat is integrally forward inclined, the seat sliding rail assembly is combined to move the seat integrally forwards, the space at the rear end of the seat can be fully vacated, and convenience of passengers entering a back row is obviously improved.

2. Can realize electronic quick adjustment, the operation is experienced better, is rich in senior sense.

Drawings

FIG. 1 is a schematic view of a seat with a lift control mechanism (seat frame folded);

FIG. 2 is a cross-sectional view of a seat having a lift control mechanism (back portion not shown);

FIG. 3 is a schematic view of a seat with a lift control mechanism (seat frame raised);

FIG. 4 is a schematic structural view of the locking mechanism;

FIG. 5 is a schematic structural view of the upper slide rail;

fig. 6 is a schematic structural view of the transfer member.

Detailed Description

The present invention will be further described with reference to the following examples and the accompanying drawings.

The orientations "front and rear" mentioned in the following embodiments refer to the front and rear ends of the car seat when it is actually used.

As shown in fig. 1 and 2, a seat lifting control mechanism comprises a seat frame 1 and an upper slide rail 2a, the seat frame 1 is mounted on the upper slide rail 2a through a linkage mechanism 3, the linkage mechanism 3 comprises a front connecting rod 3a and a rear connecting rod 3b, wherein two ends of the front connecting rod 3a are rotatably connected to the seat frame 1 and the front portion of the upper slide rail 2a, one end of the rear connecting rod 3b is rotatably connected to the rear portion of the seat frame 1, the other end of the rear connecting rod 3b is rotatably connected to the middle portion of the upper slide rail 2a, the front connecting rod 3a, the rear connecting rod 3b, the seat frame 1 and the upper slide rail 2a form a four-bar linkage mechanism, and in an unlocked state, the seat frame 1 can move.

Further, as shown in fig. 4 and 5, in order to ensure that the seat frame 1 can be kept fixed relative to the upper slide rail 2a when the seat is in normal use, a locking mechanism 5 is provided between the seat frame 1 and the upper slide rail 2a, in this embodiment, the locking mechanism 5 is installed below the rear end of the seat frame 1, specifically: the locking mechanism 5 comprises a shell 5c fixedly installed on the seat frame 1, a lock tongue 5a is rotatably assembled in the shell 5c, a lock hook 5b is fixedly installed on the upper slide rail 2a, a lock groove 5a1 matched with the lock hook 5b is formed in the lock tongue 5a, when the seat is in normal use, the lock hook 5b is located in the lock groove 5a1, and the seat frame 1 is kept fixed relative to the upper slide rail 2 a.

As shown in fig. 2 and 3, an actuator 4 is disposed between the seat frame 1 and the upper sliding rail 2a, the actuator 4 includes a front push rod 4a and a rear screw rod 4b that are sleeved by threads, and a lifting motor 4c that drives the rear screw rod 4b to rotate, a middle rotating part 4e is fixedly mounted on the front connecting rod 3a, a front end of the front push rod 4a is rotatably connected to the middle rotating part 4e, a support 4d is fixedly mounted on an inner side of the upper sliding rail 2a, and the lifting motor 4c is rotatably mounted on the support 4d, when the locking mechanism 5 is unlocked, the lifting motor 4c drives the rear screw rod 4b to rotate, and can push the front push rod 4a to move forward, so as to drive the front connecting rod 3a to rotate around the upper sliding rail 2a, i.e., drive the seat frame 1 to move, and during the movement, a rear end of the seat frame 1 will lift upward away from the upper sliding rail 2 a.

After the lifting control mechanism is applied to the middle-row seats, the sliding rail assembly 2 comprises a lower sliding rail 2b and an upper sliding rail 2a, wherein the lower sliding rail 2b is fixed on the floor of a vehicle body, when a passenger enters the rear-row seats, the lifting motor 4c enables the seats to be integrally inclined forwards, the sliding rail assembly 2 enables the seats to be integrally moved forwards, and due to the arrangement, the space at the rear ends of the middle-row seats can be fully vacated, and the passenger can enter the rear rows conveniently.

As shown in fig. 2 and 6, when the rear end of the control seat frame 1 is lifted upwards, in order to ensure that the locking mechanism 5 can be unlocked in time, an unlocking sheet 6 is arranged on the inner side of the middle rotating part 4e, the middle part of the unlocking sheet 6 is hinged with the middle rotating part 4e, the upper end of the unlocking sheet 6 is fixedly connected with the end part of the front push rod 4a through a connecting shaft 6a, an unlocking groove 4e1 which is in sliding fit with the connecting shaft 6a is arranged on the middle rotating part 4e, the lower end of the unlocking sheet 6 is connected with a guy cable 7, the other end of the guy cable 7 extends to the position of the locking mechanism 5 and is connected with the lock tongue 5a, when a passenger needs to enter the rear seat, when the lifting motor 4c is just started, the front push rod 4a moves forwards to drive the connecting shaft 6a to move in the unlocking groove 4e1, in the process, the unlocking sheet 6 rotates and drives the guy cable 7 to move, so as to drive the lock tongue 5a to rotate, and make the, unlocking of the seat frame 1 is achieved, and then the actuator 4 moves further to drive the rear end of the seat frame 1 to lift upwards.

After the actuator 4 drives the seat frame 1 to return, the latch hook 5b will lock into the latch slot 5a1 on the latch tongue 5a again, and in order to identify whether the locking mechanism 5 is locked successfully or not, and to ensure the safety of the seat, a detection sensor 8 is installed on the housing 5c, which can identify whether the locking mechanism 5 is kept in a locked state or not. Furthermore, in order to reasonably control the rotation range of the lock tongue 5a, the lock tongue 5a is provided with a first protruding part 5a2 and a second protruding part 5a3, and the housing 5c is provided with a limiting part 5c1 which is located between the first protruding part 5a2 and the second protruding part 5a 3.

As shown in fig. 2, since the upper slide rail 2a is generally provided in two sets in the seat system, the front link 3a and the rear link 3b connected to the upper slide rail 2a are also provided in two sets, and for convenience of structural layout, the front end of the seat frame 1 is rotatably mounted with the first support shaft 1a, the upper ends of the two sets of front links 3a are fixedly welded to the first support shaft 1a, the inner sides of the two sets of front links 3a are fixedly mounted with the second support shaft 4f, and the upper end of the swivel member 4e is fixedly connected to the second support shaft 4 f.

Finally, it should be noted that the above-mentioned description is only a preferred embodiment of the present invention, and those skilled in the art can make various similar representations without departing from the spirit and scope of the present invention.