阅读说明：本技术 锁止机构及包含其的汽车座椅 (Locking mechanism and contain its car seat ) 是由 朱佶聪 孙娄晨 于 2019-08-13 设计创作，主要内容包括：本发明公开了一种锁止机构,其包括坐垫活动边板和铰接于所述坐垫活动边板的坐垫固定边板,所述锁止机构还包括：限位挡板,所述限位挡板与所述坐垫固定边板固定连接,所述限位挡板上设有锁止孔；锁止销,所述锁止销设置在所述坐垫活动边板上,所述锁止销随着所述坐垫活动边板的翻起卡入所述锁止孔,以实现座椅在翻起时所述锁止机构的锁止；拉锁机构,所述拉锁机构的头部与所述锁止销的尾部连接,通过拉起所述拉锁机构将所述锁止销从所述锁止孔中拉出,以实现所述锁止机构的解锁。插销式的锁止机构,结构简单,零件少,而且锁止功能可靠。手动解锁,在第三排的乘客落座或者完全出去之后进行的,安全可靠。(The invention discloses a locking mechanism, which comprises a cushion movable side plate and a cushion fixed side plate hinged with the cushion movable side plate, and further comprises: the limiting baffle is fixedly connected with the cushion fixing side plate, and a locking hole is formed in the limiting baffle; the locking pin is arranged on the cushion movable side plate and clamped into the locking hole along with the turning-up of the cushion movable side plate, so that the locking mechanism is locked when the seat is turned up; the head of the zipper mechanism is connected with the tail of the locking pin, and the locking pin is pulled out of the locking hole by pulling up the zipper mechanism, so that the locking mechanism is unlocked. The bolt type locking mechanism is simple in structure, few in parts and reliable in locking function. And manual unlocking is performed after the passengers in the third row are seated or completely go out, so that the safety and the reliability are realized.)

1. The utility model provides a locking mechanism, its include the cushion activity sideboard with articulate in the cushion fixed sideboard of cushion activity sideboard, its characterized in that, locking mechanism still includes:

the limiting baffle is fixedly connected with the cushion fixing side plate, and a locking hole is formed in the limiting baffle;

the locking pin is arranged on the cushion movable side plate and clamped into the locking hole along with the turning-up of the cushion movable side plate, so that the locking mechanism is locked when the seat is turned up;

the head of the zipper mechanism is connected with the tail of the locking pin, and the locking pin is pulled out of the locking hole by pulling up the zipper mechanism, so that the locking mechanism is unlocked.

2. The lock mechanism of claim 1, wherein the limit stop comprises a lock surface and a fixing surface which are perpendicular to each other and connected, the fixing surface is welded and fixed on the side surface of the cushion fixing side plate, the lock hole is arranged on the lock surface, and the lock pin slides on the lock surface.

3. The locking mechanism of claim 2, wherein the locking hole is a U-shaped slot, and the notch of the U-shaped slot is located on a side of the locking surface facing away from the fixing surface.

4. The locking mechanism of claim 2, wherein the locking surface comprises a first surface and a second surface, the first surface and the second surface both being connected to the fixed surface, the first surface and the second surface being arc-transition connected and forming an obtuse angle.

5. The lock mechanism of claim 1, wherein said lock pin is connected to said movable seat cushion side plate by a support plate, said support plate being welded to said movable seat cushion side plate.

6. The lock mechanism of claim 5, wherein the support plate is welded to the front end of the side of the movable side plate of the seat cushion, and the support plate is adjacent to the limit stop.

7. The lock mechanism of claim 5, wherein the support plate has two parallel ear plates, two coaxial alignment holes are provided in the two ear plates, and the lock pin passes through the alignment holes and is slidable in the alignment holes.

8. The lock mechanism of claim 7, wherein the locking pin further comprises a resilient member, the locking pin passes through the resilient member, one end of the resilient member is fixed to and located at the head of the locking pin, the other end of the resilient member abuts against the inner side surface of the ear plate on the side of the tail of the locking pin, and the resilient member is disposed between the two ear plates.

9. The locking mechanism of claim 8, wherein the resilient member is a spring.

10. A vehicle seat, characterized in that it comprises a locking mechanism according to any one of claims 1-9.

Technical Field

The invention relates to a locking mechanism and an automobile seat comprising the same.

Background

With the development of automobiles, for SUVs, MPVs having a three row seat model, passengers need the second row seat to tip up and move forward to make enough room to enter the third row. The second row of the prior SUV and MPV type seats with the turning-up function has the problems of complex structure, more parts and high space requirement. It also exists that when a passenger enters the third row, the seat back of the second row is flipped up and then the seat is moved forward by the slide rails so that the passenger has sufficient space to enter and exit the third row. The existing seat back needs to slide backwards by the sliding rail to realize automatic unlocking when being turned down, but the passengers who get in and out are easy to have the acting force of hands on the seat back, so that the turned-up seat back is unlocked in advance and turned down, the seat back is turned down to get the feet of the passengers who are getting in and out the third row, and potential safety hazards exist.

Disclosure of Invention

The invention aims to overcome the defects that when a passenger gets in and out of a seat, the backrest of the seat in the prior art is unlocked in advance and turned down by acting force of hands on the backrest, so that the passenger can step on the steps getting in and out of the seat, and potential safety hazards exist, and provides a locking mechanism and an automobile seat comprising the same.

The invention solves the technical problems through the following technical scheme:

the utility model provides a locking mechanism, its include the cushion activity sideboard with articulate in the cushion fixed sideboard of cushion activity sideboard, its characterized in that, locking mechanism still includes:

the limiting baffle is fixedly connected with the cushion fixing side plate, and a locking hole is formed in the limiting baffle;

the locking pin is arranged on the cushion movable side plate and clamped into the locking hole along with the turning-up of the cushion movable side plate, so that the locking mechanism is locked when the seat is turned up;

the head of the zipper mechanism is connected with the tail of the locking pin, and the locking pin is pulled out of the locking hole by pulling up the zipper mechanism, so that the locking mechanism is unlocked.

In this scheme, adopt above-mentioned structural style, the locking round pin setting is on cushion activity sideboard, when the third row has the passenger to pass in and out, with car seat back jack-up, when cushion activity sideboard round the rotatory jack-up of articulated shaft, the locking round pin that sets up on seat activity sideboard is rotatory along with cushion activity sideboard, slides to the locking hole on limit baffle, the seat back locking that will jack-up. The bolt type locking mechanism is simple in structure, few in parts and reliable in locking function. When the seat needs to be restored to the seat state, the zipper is pulled manually, the locking pin is pulled out of the locking hole of the limiting baffle, and the locking mechanism on the seat backrest is unlocked. The manual unlocking is performed after the passengers in the second row are seated or the passengers in the third row completely enter or exit, and is safe and reliable.

Preferably, limit baffle includes mutually perpendicular and the locking face and the stationary plane of connecting, the stationary plane welded fastening in the side of cushion fixed sideboard, the locking hole set up in on the locking face, just the locking round pin is in slide on the locking face.

In this scheme, adopt above-mentioned structural style, the locking round pin slides on the locking face for when the cushion activity sideboard overturns, the locking round pin slides to the locking on the locking face downthehole along with the rotation of cushion activity sideboard, and this locking mechanism's locking has just been realized.

Preferably, the locking hole is a U-shaped groove, and a notch of the U-shaped groove is located on one side of the locking surface, which faces away from the fixing surface.

Preferably, the locking surface includes first face and second face, first face with the second face all connect in on the stationary plane, first face with the circular arc transitional coupling of second face to the contained angle that forms is the obtuse angle.

In this scheme, adopt above-mentioned structural style, the contained angle that first face and second face circular arc transitional coupling and formed is the obtuse angle, and this makes the locating pin more smooth and easy when sliding on the locking face, just also makes the locking after turning up of car seat back more light, smooth and easy when resumeing the seat state.

Preferably, the locking pin is connected with the cushion movable side plate through a supporting plate, and the supporting plate is welded and fixed on the cushion movable side plate.

Preferably, the supporting plate is welded and fixed to the front end of the side face of the cushion movable side plate, and the supporting plate is close to the limiting baffle.

In this scheme, adopt above-mentioned structural style, the articulated position of cushion activity sideboard and cushion fixed sideboard is the front end of cushion activity sideboard, because the locking round pin is installed in the backup pad, and the backup pad welded fastening is in the front end of the side of cushion activity sideboard, when locking mechanism is in the locking state, namely carries out the locking with the articulated shaft position of cushion activity sideboard and cushion fixed sideboard, such simple structure, reliable.

Preferably, the support plate is provided with two lug plates which are parallel to each other, the two lug plates are provided with two coaxial positioning holes, and the locking pin penetrates through the two positioning holes and can slide in the positioning holes.

In this scheme, adopt above-mentioned structural style, the locking round pin passes two coaxial locating holes in the backup pad to slide in the locating hole, coaxial locating hole guarantees that the slip of locking round pin is smooth and easy, has both played the positioning action to the locking round pin moreover and has still played the guide effect to the slip of locking round pin.

Preferably, an elastic element is further arranged on the locking pin, the locking pin penetrates through the elastic element, one end of the elastic element is fixed to the head of the locking pin and located at the head of the locking pin, the other end of the elastic element abuts against the inner side face of the ear plate on one side of the tail of the locking pin, and the elastic element is arranged between the two ear plates.

In this scheme, adopt above-mentioned structural style, elastic element plays the secondary action to locking and unblock of locking-mechanism. One end of the elastic element is fixed on the head of the locking pin, and one end of the elastic element is abutted against the inner side surface of the ear plate on one side of the tail of the locking pin. When the locking round pin was in the unblock state, elastic element was in compression state, along with the sliding of locking round pin, when the locking round pin was about to slide into the locking hole, under elastic element's restoring force, the locking round pin card was gone into in the locking hole, with the locking mechanism locking. When the zipper is pulled, the zipper drives the locking pin, so that the elastic element is in a compressed state again to prepare for next locking. The elastic element is arranged, so that the locking mechanism is more reliable in locking.

Preferably, the elastic element is a spring.

A vehicle seat characterised in that it includes a locking mechanism as described above.

On the basis of the common knowledge in the field, the above preferred conditions can be combined randomly to obtain the preferred embodiments of the invention.

The positive progress effects of the invention are as follows: the locking mechanism and the automobile seat comprising the same have the advantages of simple structure, few parts and reliable locking function. When the seat needs to be restored to the seat state, the zipper is pulled manually, the locking pin is pulled out of the locking hole of the limiting baffle, and the locking mechanism on the seat backrest is unlocked. The manual unlocking is performed after the passengers in the third row are seated or completely go out, and the safety and the reliability are realized.

Drawings

Fig. 1 is a perspective view of a locking mechanism according to an embodiment of the present invention.

Fig. 2 is a schematic perspective view of the locking mechanism according to the embodiment of the present invention in a locked state.

Fig. 3 is an exploded view of the locking mechanism according to the embodiment of the present invention.

Fig. 4 is a schematic structural diagram of a limit baffle according to an embodiment of the present invention.

Description of reference numerals:

cushion movable side plate 1

Cushion fixing side plate 2

Step bolt 3

Limit baffle 4

Fastening surface 41

Locking surface 42

First side 421

Second side 422

Locking hole 4221

Supporting plate 5

Ear plate 51

Positioning hole 52

Locking pin 6

Head 61

Tail 62

Elastic element 7

Zipper mechanism 8

Detailed Description

The present invention will be more clearly and completely described below by way of examples and with reference to the accompanying drawings, but the present invention is not limited thereto.

As shown in fig. 1, 2, 3, and 4, the locking mechanism according to the embodiment of the present invention includes a cushion movable side plate 1 and a cushion fixed side plate 2 hinged to the cushion movable side plate 1. The cushion movable side plate 1 is hinged with the cushion fixed plate 2 through a step bolt 3. The locking mechanism further comprises a limiting baffle 4, a locking pin 6 and a zipper mechanism 8. The limit baffle 4 is fixedly connected with the cushion fixing side plate 2, and a locking hole 4221 is formed in the limit baffle 4; the locking pin 6 is arranged on the cushion movable side plate 1, and the locking pin 6 is clamped into the locking hole 4221 along with the turning-up of the cushion movable side plate 1 so as to realize the locking of the locking mechanism when the seat is turned up; the head 61 of the fastener mechanism 8 is connected to the tail 62 of the lock pin 6, and the lock pin 6 is pulled out of the lock hole 4221 by pulling up the fastener mechanism 8, so that the lock mechanism is unlocked.

When the passenger of third row needs the business turn over, with car seat back jack-up, cushion activity sideboard 1 is rotatory around step bolt 3's center, and at this moment the locking round pin 6 that sets up on cushion activity sideboard 1 slides on limit baffle 4 along with cushion activity sideboard 1's rotation, and when cushion activity sideboard 1 rotates to the position that fig. 2 shows, locking round pin 6 slides in locking hole 4221, the seat back locking of will turning up. After the passenger in the third row sits on or completely gets out, the fastener mechanism 8 is pulled, the fastener mechanism 8 pulls the lock pin 6, the lock pin 6 is pulled out from the lock hole 4221, the lock mechanism is unlocked, and the flipped-up seat back is returned to the seat state, as shown in fig. 1. The bolt type locking mechanism has simple structure, few parts and reliable locking function; the zipper is unlocked manually, and when a passenger sits or completely goes out, the zipper is unlocked manually, so that the hidden danger that the locking mechanism is unlocked in advance to cause the feet of the third row of passengers is avoided, and the zipper is safe and reliable.

As shown in fig. 4, in the present embodiment, the limit stop 4 includes a locking surface 42 and a fixing surface 41 which are perpendicular to each other and connected to each other, the fixing surface 41 is welded and fixed to the side surface of the seat cushion fixing side plate 2, the locking hole 4221 is provided on the locking surface 42, and the locking pin 6 slides on the locking surface 42.

The fixing surface 41 is welded and fixed on the side surface of the cushion fixing side plate 2, so that parts are saved and the fixing strength is high. Locking face 42 and fixed surface 41 mutually perpendicular, the increase fixed surface 41 and the fixed sideboard 2 welded connection's of cushion contact surface of being convenient for, reinforcing joint strength also is favorable to reducing limit baffle 4's volume simultaneously, saves space. The locking round pin 6 slides on locking face 42, and locking face 42 both plays limiting displacement, plays the guide effect again, and the locking of the locking round pin 6 of being convenient for is more smooth and easy.

The locking hole 4221 is a U-shaped groove, and a notch of the U-shaped groove is located on a side of the locking surface 42 facing away from the fixing surface 41. The locking surface 42 includes a first surface 421 and a second surface 422, the first surface 421 and the second surface 422 are both connected to the fixing surface 41, and the first surface 421 and the second surface 422 are in arc transition connection and form an obtuse angle.

The U-shaped groove is convenient to process, sets the locking surface 42 into the first surface 421 and the second surface 422 which are in arc transitional connection, is more smooth when the locking pin 6 slides, namely, the locking after the turning-up of the automobile seat backrest and the seat state recovery are more easy and smooth, and the passengers save labor when operating.

The locking pin 6 is connected with the cushion movable side plate 1 through the supporting plate 5, and the supporting plate 5 is welded and fixed on the cushion movable side plate 1. The supporting plate 5 is welded and fixed at the front end of the side surface of the cushion movable side plate 1, and the supporting plate 5 is close to the limit baffle 4.

The locking pin 6 is arranged on the supporting plate 5, and the supporting plate 5 not only supports the locking pin 6, but also positions the locking pin 6. The supporting plate 5 is welded and fixed at the front end of the side face of the cushion movable side plate 1, namely one end close to the hinged step bolt 3, the sliding distance of the locking pin 6 on the locking face 42 is short when the seat backrest is turned up, namely when the seat is turned up, the space covered by the supporting plate 5 and the locking pin 6 is small, the space is saved, the strength is also saved, and the comfort of passenger operation is better. When the locking mechanism is in a locking state, namely, the hinged shaft parts of the cushion movable side plate 1 and the cushion fixed side plate 2 are locked, the structure is simple, and the locking performance is reliable.

Two lug plates 51 which are parallel to each other are arranged on the supporting plate 5, two coaxial positioning holes 52 are arranged on the two lug plates 51, and the locking pin 6 passes through the two positioning holes 52 and can slide in the positioning holes 52.

The locking pin 6 passes through two coaxial positioning holes 52 on the supporting plate 5 and slides in the positioning holes 52, and the coaxial positioning holes 52 ensure that the locking pin 6 slides smoothly and play a role in positioning the locking pin 6 and guiding the sliding of the locking pin 6.

The locking pin 6 is further provided with an elastic element 7, the locking pin 6 penetrates through the elastic element 7, one end of the elastic element 7 is fixed to the head portion 61 of the locking pin 6 and is located at the head portion 61 of the locking pin 6, the other end of the elastic element 7 abuts against the inner side face of the ear plate 51 on one side of the tail portion 62 of the locking pin 6, and the elastic element 7 is arranged between the two ear plates 51.

The elastic element 7 assists the locking and unlocking of the locking mechanism. The elastic member 7 has one end fixed to the head portion 61 of the lock pin 6 and one end abutting against the inner side surface of the ear plate 51 on the side of the tail portion 62 of the lock pin 6. When the locking pin 6 is in the unlocking state, the elastic element 7 is in the compression state, and along with the sliding of the locking pin 6, when the locking pin 6 is about to slide into the locking hole 4221, under the action of the restoring force of the elastic element 7, the locking pin 6 is clamped into the locking hole 4221, and the locking mechanism is locked. Pulling the zipper, the zipper drives the locking pin 6, so that the elastic element 7 is in a compressed state again to prepare for the next locking. The provision of the resilient element 7 makes the locking of the locking mechanism more reliable.

The elastic element 7 is a spring. The spring has a simple structure and saves space.

The invention also provides an automobile seat which comprises the locking mechanism. Through locking mechanism for when the third row passenger need pass in and out, the back of car seat is dug up, locking mechanism locking, after the passenger takes a seat or goes out completely, pulling zip, locking mechanism unblock, car seat back could resume the seat state, can not hit the third row passenger's foot, safe and reliable.

While specific embodiments of the invention have been described above, it will be appreciated by those skilled in the art that this is by way of example only, and that the scope of the invention is defined by the appended claims. Various changes and modifications to these embodiments may be made by those skilled in the art without departing from the spirit and scope of the invention, and these changes and modifications are within the scope of the invention.