CN212171988U

CN212171988U - Pin connection anti-disengaging structure and automobile seat with same

Info

Publication number: CN212171988U
Application number: CN202020695701.2U
Authority: CN
Inventors: 夏彬; 孟岩; 何晓东
Original assignee: Chongqing Yanfeng Adient Automotive Components Co Ltd
Current assignee: Chongqing Adient Automotive Components Co Ltd
Priority date: 2020-04-29
Filing date: 2020-04-29
Publication date: 2020-12-18
Anticipated expiration: 2030-04-29

Abstract

The utility model discloses a pin junction anti-disengaging structure and have car seat of this structure, wherein pin junction anti-disengaging structure includes the bolt, by even A and by even B, by having the pinhole on even B, the one end of bolt with by even A fixed connection, the bolt is kept away from by even A one end and is had anticreep portion, by even B when just being removed by even A, anticreep portion can pass the pinhole, and by even B and by even A take place relative rotation back, its axial displacement stroke does anticreep portion restriction, car seat include six minutes backrest and the quartering seat back that sets up side by side, be equipped with aforementioned pin junction anti-disengaging structure between six minutes backrest and the quartering seat back lower extreme. The two connected pieces are convenient to pin fast, the reliability of the pin connecting pieces is improved, impact separation is prevented, and when the pin connecting pieces are used for mounting and connecting the automobile seat, enough mounting space can be reserved for mounting the seat, the impact resistance of the seat is improved, and the safety of passengers is guaranteed.

Description

Pin connection anti-disengaging structure and automobile seat with same

Technical Field

The utility model relates to a car seat technical field, concretely relates to pin joint anti-disengaging structure and have car seat of this structure.

Background

The pin connecting piece is a traditional connecting mode, is widely applied due to quick and convenient installation, a certain rotating or axial moving space is usually formed between connected parts, and when the connected parts are impacted by load, the two connected parts are easy to deform or move relatively, so that a bolt is easy to fall out of a corresponding pin hole, namely the pin connection fails, and more serious results are possibly caused.

If have 4 minutes seats and 6 middle back row seats that divide the seat constitution that divide that the row set up usually in some SUVs, MPVs etc. large-scale cars, for fully guaranteeing seat installation reliability, then can set up bolt locking structure between 4 minutes seats and 6 minutes seats, adopt elongated mode to prevent that the car from deviating from when the high-speed collision seat bolt from like traditional high-order lock back middle bolt, but under the not good condition of some boundary installation conditions (for example middle bolt structure that is, both sides are hinge structure), bolt can lead to 4 minutes back installation spaces not enough in the middle of the extension, can't install.

SUMMERY OF THE UTILITY MODEL

In order to solve the problem, the utility model provides a pin junction anti-disengaging structure and have car seat of this structure to improve anti-disengaging structure's reliability and intensity, prevent that the bolt from deviating from, guarantee seat installation stability, reduce the passenger risk.

In order to achieve the above purpose, the utility model discloses technical scheme as follows:

the utility model provides a pin junction anti-disengaging structure, includes the bolt to and just to the setting by a continuous piece A and by a continuous piece B, by the pinhole that has on the continuous piece B and the bolt suits, the one end of bolt with by a continuous piece A fixed connection, its key lies in: the bolt is kept away from by one end of piece A and is had anticreep portion, when being connected piece B just to being connected piece A removal, anticreep portion can pass the pinhole, and is connected piece B and is taken place relative rotation back by being connected piece A, anticreep portion and pinhole limit jointly by being connected piece A and by being connected piece B along the axial displacement stroke of bolt.

Scheme more than adopting, can be close to by even A by even B when pinhole and anticreep portion are parallel, and make anticreep portion pass through the pinhole, realize by even B and by even the round pin between A even piece, then the rethread rotates by even B, make after producing the contained angle between anticreep portion and the pinhole, anticreep portion then can not take place axial displacement and deviate from the pinhole with even B, thereby two connecting piece round pin reliability even when one of them receives the impact force, the bolt also can not deviate from, impact force must share and use to be close to by even B even piece A promptly.

Preferably, the method comprises the following steps: the bolt is including being cylindric pole portion, anticreep portion is the bulge structure along the radial outside extension of pole portion, the pinhole includes the round hole portion that suits with pole portion, and with anticreep looks adapted different hole portion. By adopting the scheme, the anti-falling part is convenient to machine and form, and the production cost is reduced.

Preferably, the method comprises the following steps: the anti-falling part is of an isosceles trapezoid structure, the lower bottom side of the anti-falling part is connected with the rod part, and the length of the lower bottom of the anti-falling part is larger than the diameter of the round hole part. The scheme above the adoption is favorable to guaranteeing the reliability of anticreep portion, when being kept away from relatively under the lock-out state by even B and by even A, anticreep portion can be used in the both sides of pinhole simultaneously, avoids acting on a side border of pinhole for a long time, leads to local wear serious etc. is favorable to prolonging the life of structure.

Preferably, the method comprises the following steps: the anti-falling part and the rod part are integrally formed. By adopting the scheme, the overall strength of the bolt is improved, and the tensile capacity and the torsion resistance of the anti-falling part are improved.

Preferably, the method comprises the following steps: the surface of the connected piece B, which is far away from the connected piece A, is provided with a reinforcing part. By adopting the structure, the strength and the wear resistance of the side can be improved, the circumferential damage risk of the pin hole can be reduced, and the whole service life of the structure can be prolonged.

On this basis, this application has proposed a car seat to improve back row seat pin junction reliability, reduce safe risk etc. its technical scheme as follows:

the automobile seat comprises a six-part seat back and a four-part seat back which are arranged side by side, and is characterized in that the pin connection anti-disengaging structure is arranged between the lower ends of the six-part seat back and the four-part seat back;

wherein by connecting piece A and sixth minute backrest fixed connection, by connecting piece B and quarter backrest fixed connection, just the bolt sets up along by connecting piece A's width direction, corresponds the position of bolt between sixth minute backrest and the quarter backrest and is equipped with middle hinge, the bolt supports on this middle hinge with rotatable mode.

Scheme more than adopting, earlier after fixed to the installation of six minute backrest during the installation, incline to make its pinhole just to anticreep portion with the quartering seat again, the two keeps being close to each other again behind the parallel gesture, make anticreep portion pass through the pinhole, rotate at last the quartering backrest again to level with six minute backrest, then can make the contained angle between pinhole and the anticreep portion, thereby effectively prevent that the bolt from breaking away from out from the pinhole, even when the quartering seat receives great impact load like this, also very difficult and bolt break away from, and need not increase long bolt length, guarantee that the seat has sufficient installation space.

Preferably, the method comprises the following steps: the outer side lower extreme of sextant backrest is equipped with right hinge, sextant backrest lower extreme and right hinge, quartering backrest outside lower extreme are equipped with left hinge, quartering backrest lower extreme is articulated with left hinge. By adopting the scheme, the backrest has better rotation capability and meets basic requirements.

Preferably, the method comprises the following steps: and the plug pins are provided with rubber sleeves. By adopting the scheme, the friction abnormal sound generated by the contact between the bolt and the connected piece B and the middle hinge can be reduced.

Preferably, the method comprises the following steps: the included angle between the anti-falling part and the sixth seat backrest is 60-90 degrees. After the installation of sixth minute seat back is accomplished, can have certain angle relatively the horizontal plane usually, incline the setting backward promptly, the anticreep portion then inclines upwards this moment, like this when installation quartering seat, then need not fall it flat completely, and the installation is more light laborsaving.

Preferably, the method comprises the following steps: the connected piece A and the connected piece B are respectively provided with an installation groove corresponding to skeleton flat pipes of a sixth seat backrest and a fourth seat backrest. Scheme more than adopting, through being linked the mounting groove on the piece and corresponding seat flat tube cohesion, be favorable to improving seat connection reliability.

Compared with the prior art, the beneficial effects of the utility model are that:

adopt the utility model provides a pin junction anti-disengaging structure and have car seat of this structure is convenient for link two by the quick round pin of piece even to improve the reliability of round pin even, prevent to strike the separation, and when using it for the erection joint of back row seat in the car, can reserve enough installation space for the seat installation, and improve seat shock resistance, guarantee passenger's safety.

Drawings

Fig. 1 is a schematic view of a seat structure of the present invention;

FIG. 2 is a schematic view of the seat installation process shown in FIG. 1;

FIG. 3 is a schematic view of a pin connection anti-separation structure;

FIG. 4 is a schematic view of the connection process of the connected piece A and the connected piece B;

FIG. 5 is a schematic view of a latch structure;

FIG. 6 is a schematic view of a pin hole configuration.

Detailed Description

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

Referring to fig. 1 to 6, a pin connection anti-separation structure and a car seat having the same, wherein the pin connection anti-separation structure mainly comprises a plug pin 1, a coupled piece a2 and a coupled piece B3 which are oppositely arranged, wherein the connected piece B3 is provided with a pin hole 30 corresponding to the slot 1, as shown in the figure, one end of the bolt 1 is fixedly connected with the connected piece 2, one end of the bolt 1 far away from the connected piece A2 is provided with an anti-drop part 10, when the connected piece B3 is close to the connected piece A2, the anti-falling part 10 can pass through the pin hole 30, so that the pin connection is completed between the connected piece A2 and the connected piece B3, after the connected piece A2 and the bolt 1 rotate relatively, an included angle is generated between the anti-falling part 10 and the pin hole 30, the relative movement stroke of the connected piece A2 and the connected piece B3 along the axial direction of the bolt 1 is limited by the anti-drop part 10 and the pin hole 30, thereby improving the reliability of the pin connection of the two.

As shown in fig. 5 and 6, the plug pin 1 of the present invention mainly includes a substantially cylindrical stem portion 11, a retaining portion 10 is a protruding structure formed at an end portion of the stem portion 11 and extending radially outward along the stem portion 11, and accordingly, the pin hole 30 includes a circular hole portion 300 corresponding to the stem portion 11 and a different hole portion 301 corresponding to the protruding structure, in this embodiment, the retaining portion 10 is a flat isosceles trapezoid as a whole, and a lower bottom side thereof is close to the stem portion 11, and a length of the lower bottom is greater than a diameter of the circular hole portion 300, and a thickness of the retaining portion 10 is smaller than a diameter of the circular hole portion 300, and accordingly, the pin hole 30 includes the circular hole portion 300 and the different hole portions 301 symmetrically disposed at two sides of the circular hole portion 300, so that the retaining portion 10 and the pin hole 30 can pass through the pin hole 30 only when they are in a substantially parallel posture, otherwise they are blocked by an outer edge of the pin hole 30.

In order to improve the strength of the connecting structure, the anti-slip part 10 and the rod part 11 are integrally formed in this embodiment, and the side of the connected piece 3 away from the connected piece a has a reinforcing part 31 protruding from the surface thereof, so as to increase the strength of the two, the wear resistance and the like.

On the basis, the application provides an automobile seat adopting the pin connection piece anti-falling structure, as shown in fig. 1 and fig. 2, which mainly comprises a sixth-part seat back 4 and a fourth-part seat back 5 which are arranged side by side and are connected through the pin connection piece anti-falling structure, the concrete structure and installation of the automobile seat are as shown in the figure, a connected piece A2 is fixedly connected with the lower end of the sixth-part seat back 4, a bolt 1 is arranged along the width direction of the sixth-part seat back 4, a connected piece B3 is fixedly connected with the lower end of the fourth-part seat back 5, a middle hinge 6 is arranged between the sixth-part seat back 4 and the fourth-part seat back 5, the bolt 1 is rotatably supported on the middle hinge 6, correspondingly, the outer side of the sixth-part seat back 4 and the outer side of the fourth-part seat back 5 are respectively suitable for a right hinge 7 and a left hinge 8, the right hinge 7 and the left hinge 8 are both arranged in parallel with the middle hinge 6, in practice, both lower ends of the six-piece seat back 4 are rotatably supported on the right hinge 7 and the middle hinge 6, and both lower ends and left sides of the four-piece seat back 5 are rotatably supported on the left hinge 8 and the middle hinge 6.

Have the through-hole that is used for bolt 1 to pass on the hinge 6 in the middle of, meanwhile, the cover is equipped with rubber sleeve 12 on the pole portion 11 of bolt 1, through the contact of rubber sleeve 12 and pinhole 30 and the through-hole outer fringe on the hinge 6 in the middle of, but greatly reduced rotates the abnormal sound, improves the seat and uses the experience and feel.

In this embodiment, the outer side of the sixth seat back 4 and the fourth seat back 5 are provided with rectangular framework flat tubes, the lower ends of the framework flat tubes are provided with corners of 90 degrees, the corresponding connected piece a2 and the connected piece B3 are provided with two mounting grooves 9 distributed in 90 degrees, and the mounting grooves 9 on the connected pieces are respectively coated and welded on the corresponding backrest framework flat tubes, so that the improvement of the reliability of connection between the connected pieces and the backrest framework is facilitated.

Further, when the coupled piece a2 is coupled to the quarter seat back 4, the angle between the coming-off preventing portion 10 of the latch 1 and the quarter seat back 4 is approximately 60 ° to 90 °, and if it is desired that the coming-off preventing portion 10 is in an inclined state with the front side thereof being significantly higher than the rear side with respect to the vehicle body floor, the length direction of the pin hole 30 thereof is in a substantially parallel posture with the length direction of the quarter seat back 5 after the coupled piece B3 is coupled to the quarter seat back 5.

Referring to fig. 1 to 6, a pin connection drop-off prevention structure and a car seat having the same are disclosed, in which a seat is installed by assembling a connected member a2 and a latch 1, then fixedly installing the same on a six-piece seat back 4, then installing the same on a center hinge 6 and a right hinge 7, then fixing a connected member B3 on a four-piece seat back 5, then tilting or tilting the four-piece seat back 5 forward to a certain angle such that a drop-off prevention portion 10 is parallel to and opposite to a pin hole 30, and moving the four-piece seat back 5 laterally to be close to the six-piece seat back 4, the drop-off prevention portion 10 of the latch 1 can pass through the pin hole 30 smoothly, at this time, as shown in fig. 2 and 4, between the drop-off prevention portion 10 and the pin hole 30 in a nearly parallel posture, then correspondingly installing a left hinge 8 on the outer side of the four-piece seat back 5, completing the outer side fixing thereof, and finally lifting the four-piece seat back 5 to a normal seating position, at this time, the retaining portion 10 and the pin hole 10 are in a substantially vertical posture as shown in fig. 1 and 3.

The pin connection disengagement preventing structure of the present application can be used for connection of other similar structures, in addition to the car seat described above, as long as two objects to be connected are similar to the above structure, and both are within the scope of protection of the present application.

Finally, it should be noted that the above 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 the scope of the present invention.

Claims

1. The utility model provides a pin junction anti-disengaging structure, includes bolt (1) to and just to the setting by a (2) and by a (3) even, by even have on B (3) pinhole (30) that suit with bolt (1), the one end of bolt (1) with by a (2) fixed connection, its characterized in that: bolt (1) is kept away from one end by a piece A (2) and is had anticreep portion (10), when being connected piece B (3) just to being connected piece A (2) removal, pinhole (30) can be passed in anticreep portion (10), and by even piece B (3) and by even piece A (2) take place relative rotation after, anticreep portion (10) and pinhole (30) are injectd jointly by even piece A (2) and by the axial displacement stroke of being connected piece B (3) along bolt (1).

2. The pin connection drop prevention structure according to claim 1, wherein: bolt (1) is including being cylindric pole portion (11), anticreep portion (10) are along the radial outside protruding structure that extends of pole portion (11), pinhole (30) include round hole portion (300) that suit with pole portion (11), and with different hole portion (301) that anticreep portion (10) suited.

3. The pin connection drop prevention structure according to claim 2, wherein: the anti-falling part (10) is of an isosceles trapezoid structure, the lower bottom side of the anti-falling part is connected with the rod part (11), and the length of the lower bottom of the anti-falling part is larger than the diameter of the round hole part (300).

4. The pin connection drop prevention structure according to claim 2 or 3, wherein: the anti-falling part (10) and the rod part (11) are integrally formed.

5. The pin connection drop prevention structure according to claim 2 or 3, wherein: the surface of one side of the connected piece B (3) far away from the connected piece A (2) is provided with a reinforcing part (31).

6. The utility model provides a car seat, includes six minutes seat backs (4) and four minutes seat backs (5) that set up side by side, its characterized in that: the pin connection anti-drop structure of any one of claims 1 to 5 is arranged between the lower ends of the six-part seat back (4) and the four-part seat back (5);

wherein by a continuous A (2) and sixth seat back (4) fixed connection, by a continuous B (3) and quarter seat back (5) fixed connection, just bolt (1) sets up along the width direction by a continuous A (2), and the position that corresponds bolt (1) between sixth seat back (4) and quarter seat back (5) is equipped with middle hinge (6), bolt (1) supports on this middle hinge (6) with rotatable mode.

7. The vehicle seat of claim 6, wherein: the utility model discloses a chair, including sixth minute seat back (4), the outside lower extreme of sixth minute seat back (4) is equipped with right hinge (7), sixth minute seat back (4) lower extreme and right hinge (7), and fourth seat back (5) outside lower extreme is equipped with left hinge (8), fourth seat back (5) lower extreme is articulated with left hinge (8).

8. The car seat according to claim 6 or 7, characterized in that: the bolt (1) is provided with a rubber sleeve (12).

9. The vehicle seat of claim 6, wherein: the included angle between the anti-falling part (10) and the sixth-part seat backrest (4) is 60-90 degrees.

10. The vehicle seat of claim 6, wherein: the connected piece A (2) and the connected piece B (3) are provided with mounting grooves (9) which are matched with skeleton flat pipes of six-part seat backs (4) and four-part seat backs (5).