CN218228732U

CN218228732U - Seat back locking structure that gear was adjusted

Info

Publication number: CN218228732U
Application number: CN202222629412.4U
Authority: CN
Inventors: 李颖欢; 严东明; 杜贻帅; 欧阳洵; 李腾; 柴鹏
Original assignee: Beijing Baic Faurecia Automotive System Co ltd
Current assignee: Beijing Baic Faurecia Automotive System Co ltd
Priority date: 2022-10-08
Filing date: 2022-10-08
Publication date: 2023-01-06
Anticipated expiration: 2032-10-08

Abstract

The utility model discloses a seat back locking structure that gear was adjusted, including other fishplate bar of back, fixed plate and right angle board, the fixed plate is installed at the top of the other fishplate bar of back, and the right angle board is installed to one side of the other fishplate bar of back, and the opposite side of the other fishplate bar of back has the back sideboard through the hinge mounting. The utility model discloses an unblock shell fragment, the lock pole, a pressure spring, a rotating shaft, the dwang, the restriction hole, torque spring, the right angle board, lead to the groove, the setting of fixed slot and mounting groove, press the unblock shell fragment, can adjust the angle of unblock shell fragment, the angle change of unblock shell fragment, can promote the inner wall that the lock pole breaks away from first through-hole, at this moment just can carry out angle modulation to the back, loosen the unblock shell fragment, first pressure spring and torque spring's elasticity can push the inner wall of first through-hole with the lock pole, reach the effect of locking, this simple structure, can effectively reduce the cost quantity, and then strengthen the competitiveness of whole car.

Description

Seat back locking structure that gear was adjusted

Technical Field

The utility model relates to a skeleton locking structural device technical field specifically is a seat back locking structure that gear was adjusted.

Background

In order to meet the requirements of different passengers, the seat of the automobile is provided with an adjusting mechanism capable of changing the angle of a backrest, and the device for discontinuously adjusting the angle of the backrest of the automobile seat is characterized in that a handle or a rod is used for controlling the locking or unlocking of the device, so that the discontinuous adjustment of the angle of the backrest of the automobile seat is realized, and the locking mechanism is also required to be used for adjusting the automobile seat.

Seat back locking structure shortcoming among the prior art is not enough:

patent document CN215154097U discloses a locking structure of an automobile seat back, which solves the problems of low connection strength and abnormal sound in the using process of the existing locking structure. This locking structure of car seat back includes the unblock assembly, lock body and pull rod, unblock assembly all installs on the backrest skeleton with the lock body, and the lock body specifically is located the articulated department of backrest skeleton and seat base skeleton, the one end and the unblock assembly of pull rod are connected, the other end is connected with the lock body, the one end bending type that the pull rod is connected with the unblock assembly forms the kink, the pull rod can carry on spacingly through the kink to the one end that self is connected with the unblock assembly, reach here and prevent that the unblock assembly is deviate from to the pull rod in the use, furthermore, cup joint the adapter sleeve that flexible material constitutes on this end circumference lateral wall of pull rod, pull rod surface outer wall can not with unblock assembly direct contact, effectively reduce the abnormal sound that produces between pull rod and the unblock assembly.

The locking structure of the automobile seat backrest in the publication mainly considers how to effectively reduce abnormal sound generated between the pull rod and the unlocking assembly, and the problems of complex structure and higher cost of the existing locking structure of the automobile seat backrest.

In view of the above, it is necessary to develop a seat back locking structure for adjusting a gear position, so as to improve the flexibility of the locking structure during use.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a seat back locking structure that gear was adjusted to solve the complicated, the higher problem of cost of structure that proposes in the above-mentioned background art.

In order to achieve the purpose, the utility model provides a technical scheme, which is a gear-adjusting seat backrest locking structure, comprising a backrest side connecting plate, a fixed plate and a right-angle plate, wherein the fixed plate is arranged at the top of the backrest side connecting plate, and the right-angle plate is arranged at one side of the backrest side connecting plate;

the other side of the backrest side plate is provided with a backrest side plate through a hinge, and one side of the backrest side plate is provided with a plurality of first through holes;

the locking pole is installed to the inner wall of first through-hole, and first pressure spring is installed to the outer wall of locking pole, and first pressure spring's one end is installed in the inner wall of right-angle board.

Preferably, a first limiting groove is installed at the bottom of one side of the fixing plate, the fixing rod is installed on the inner wall of the first limiting groove, the rollers are installed at the two ends of the fixing rod, the outer wall of each roller is installed on the inner wall of the first limiting groove, and the connecting rod is installed at the top of the fixing rod.

Preferably, the top of right-angle plate has been seted up and has been led to the groove, and the fixed slot is installed to the outer wall of right-angle plate, and the mounting groove has been seted up to the outer wall of fixed slot, and the dwang is installed to the inner wall of mounting groove.

Preferably, the unblock shell fragment is installed to the one end of dead lever, and the other end of unblock shell fragment is installed in the outer wall of lock pole, and a set of pivot is installed to one side of unblock shell fragment, and the inner wall of pivot is installed in the outer wall of dwang, and the restriction hole has been seted up to one side of unblock shell fragment.

Preferably, the second limiting groove is installed at the top of one side of the fixing plate, the sliding groove is formed in the bottom of the second limiting groove, the inner wall of the sliding groove is installed on the outer wall of the connecting rod, and the second through hole is formed in one side of the connecting rod.

Preferably, the limiting rod is installed on the inner wall of the second through hole, the pushing block is installed at one end of the limiting rod, the second pressure spring is installed on the outer wall of the limiting rod, the limiting block is installed at the other end of the limiting rod, the limiting plate is installed on one side of the limiting block, and the outer wall of the limiting plate is installed on the inner wall of the second limiting groove.

Preferably, a torsion spring is installed on the outer wall of the rotating rod, and one end of the torsion spring is installed on the inner wall of the limiting hole.

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

the utility model discloses an unblock shell fragment, the lock pole, a pressure spring, a rotating shaft, the dwang, the restriction hole, torque spring, the right angle board, lead to the groove, the setting of fixed slot and mounting groove, press the unblock shell fragment, setting through pivot and dwang, can adjust the angle of unblock shell fragment, the angle change of unblock shell fragment, can promote the inner wall that the lock pole breaks away from first through-hole, just at this moment can carry out angle modulation to the back, adjust the back, loosen the unblock shell fragment, first pressure spring and torque spring's elasticity can push the inner wall of first through-hole with the lock pole, reach the effect of locking, this simple structure, can effectively reduce cost quantity, and then strengthen the competitiveness of whole car.

The utility model discloses a fixed plate, first restriction groove, the dead lever, the gyro wheel, the connecting rod, the second restriction groove, the spout, the second through-hole, the restriction lever, the ejector pad, second pressure spring, the setting of restriction block and restriction board, press down the ejector pad and make the restriction lever move forward, can make the restriction block break away from the inner wall of restriction board, promote the setting that the ejector pad passes through connecting rod and spout, can drive the dead lever and slide in first restriction inslot, be favorable to restricting the unblock shell fragment, avoid under the condition of unmanned operation, there is other object to press down the unblock shell fragment, and the injured condition of customer that causes takes place, be favorable to improving the security.

Drawings

FIG. 1 is a perspective view of the overall structure of the present invention;

FIG. 2 is a schematic view of a backrest side connection plate of the present invention;

FIG. 3 is a schematic structural view of a rectangular plate according to the present invention;

fig. 4 is a schematic view of the fixing plate structure of the present invention;

fig. 5 is a schematic structural view of a second limiting groove of the present invention.

In the figure: 1. a backrest side connection plate; 2. a fixing plate; 3. a right-angle plate; 101. a back side plate; 102. a first through hole; 103. a lock lever; 104. a first pressure spring; 201. a first restriction groove; 202. fixing the rod; 203. a roller; 204. a connecting rod; 301. a through groove; 302. fixing grooves; 303. mounting grooves; 304. rotating the rod; 401. unlocking the elastic sheet; 402. a rotating shaft; 403. a limiting aperture; 501. a second restriction groove; 502. a chute; 503. a second through hole; 601. a restraining bar; 602. a push block; 603. a second pressure spring; 604. a limiting block; 605. a limiting plate; 701. a torsion spring.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "both ends", "one end", "the other end" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element to which the reference is made must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, and for example, "connected" may be either fixedly connected or detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1, 2 and 4, in an embodiment of the present invention, a seat backrest locking structure for adjusting a gear comprises a backrest side connection plate 1, a fixed plate 2 and a right-angle plate 3, wherein the fixed plate 2 is installed at the top of the backrest side connection plate 1, and the right-angle plate 3 is installed at one side of the backrest side connection plate 1;

referring to fig. 1, 2, 3 and 4, a backrest side plate 101 is mounted on the other side of the backrest side plate 1 through a hinge, a plurality of first through holes 102 are formed in one side of the backrest side plate 101, a locking rod 103 is mounted on the inner wall of each first through hole 102, a first pressure spring 104 is mounted on the outer wall of the locking rod 103, one end of each first pressure spring 104 is mounted on the inner wall of the right-angle plate 3, a through groove 301 is formed in the top of the right-angle plate 3, a fixing groove 302 is mounted on the outer wall of the right-angle plate 3, a mounting groove 303 is formed in the outer wall of the fixing groove 302, a rotating rod 304 is mounted on the inner wall of the mounting groove 303, an unlocking elastic sheet 401 is mounted at one end of the fixing rod 202, the other end of the unlocking elastic sheet 401 is mounted on the outer wall of the locking rod 103, a group of rotating shafts 402 is mounted on one side of the unlocking elastic sheet 401, the inner wall of the rotating shafts 402 is mounted on the outer wall of the rotating rod 304, a limiting hole 403 is formed in one side of the unlocking elastic sheet 401, the torsion spring 701 is installed on the outer wall of the rotating rod 304, one end of the torsion spring 701 is installed on the inner wall of the limiting hole 403, the unlocking elastic sheet 401, the locking rod 103, the first pressure spring 104, the rotating shaft 402, the rotating rod 304, the limiting hole 403, the torsion spring 701, the right-angle plate 3, the through groove 301, the fixing groove 302 and the installation groove 303 are arranged, the unlocking elastic sheet 401 is pressed, the angle of the unlocking elastic sheet 401 can be adjusted through the rotating shaft 402 and the rotating rod 304, the angle of the unlocking elastic sheet 401 is changed, the locking rod 103 can be pushed to be separated from the inner wall of the first through hole 102, at the moment, the angle of the backrest can be adjusted, after the backrest is adjusted, the unlocking elastic sheet 401 is loosened, the locking rod 103 can be pushed into the inner wall of the first through hole 102 through the elastic force of the first pressure spring 104 and the torsion spring 701, the locking effect is achieved, the structure is simple, and the cost consumption can be effectively reduced, thereby enhancing the competitiveness of the whole vehicle;

referring to fig. 1, 2, 4 and 5, a first limiting groove 201 is installed at the bottom of one side of a fixing plate 2, a fixing rod 202 is installed on the inner wall of the first limiting groove 201, rollers 203 are installed at both ends of the fixing rod 202, the outer wall of the rollers 203 is installed on the inner wall of the first limiting groove 201, a connecting rod 204 is installed at the top of the fixing rod 202, a second limiting groove 501 is installed at the top of one side of the fixing plate 2, a sliding groove 502 is opened at the bottom of the second limiting groove 501, the inner wall of the sliding groove 502 is installed on the outer wall of the connecting rod 204, a second through hole 503 is opened at one side of the connecting rod 204, a limiting rod 601 is installed on the inner wall of the second through hole 503, a pushing block 602 is installed at one end of the limiting rod 601, a second pressure spring 603 is installed on the outer wall of the limiting rod 601, a limiting block 604 is installed at the other end of the limiting rod 601, a limiting plate 605 is installed at one side of the limiting block 604, the outer wall of the limiting plate 605 is mounted on the inner wall of the second limiting groove 501, the fixing plate 2, the first limiting groove 201, the fixing rod 202, the roller 203, the connecting rod 204, the second limiting groove 501, the sliding groove 502, the second through hole 503, the limiting rod 601, the push block 602, the second pressure spring 603, the limiting block 604 and the limiting plate 605 are arranged, the push block 602 is pressed to enable the limiting rod 601 to move forwards, the limiting block 604 can be separated from the inner wall of the limiting plate 605, the push block 602 can be pushed to drive the fixing rod 202 to slide in the first limiting groove 201 through the arrangement of the connecting rod 204 and the sliding groove 502, the unlocking elastic sheet 401 can be limited, the situation that the unlocking elastic sheet 401 is pressed by other objects under the condition of non-manual operation to cause injury of a client is avoided, and safety is improved.

The working principle of the unlocking structure of the existing manual backrest is that the unlocking structure of the existing manual backrest is driven by a handle, a mandrel rotates and simultaneously drives angle adjusters on two sides to unlock the backrest, the structure is complex, the unlocking elastic sheet 401 is pressed through the arrangement of the unlocking elastic sheet 401, the locking rod 103, the first pressure spring 104, the rotating shaft 402, the rotating rod 304, the limiting hole 403, the torsion spring 701, the right-angle plate 3, the through groove 301, the fixing groove 302 and the mounting groove 303, the angle of the unlocking elastic sheet 401 can be adjusted through the arrangement of the rotating shaft 402 and the rotating rod 304, the angle of the unlocking elastic sheet 401 can be changed, the locking rod 103 can be pushed to be separated from the inner wall of the first through hole 102, the angle of the backrest can be adjusted, after the adjustment is completed, the unlocking elastic sheet 401 is released, the locking rod 103 can be pushed into the inner wall of the first through hole 102 by the elastic force of the first pressure spring 104 and the torsion spring 701, reach the effect of locking, this simple structure, can effective reduce cost quantity, and then strengthen the competitiveness of whole car, through fixed plate 2, first restriction groove 201, dead lever 202, gyro wheel 203, connecting rod 204, second restriction groove 501, spout 502, second through-hole 503, restriction pole 601, ejector pad 602, second pressure spring 603, restriction pad 604 and restriction board 605's setting, press ejector pad 602 to make restriction pole 601 move forward, can make restriction pad 604 break away from the inner wall of restriction board 605, promote ejector pad 602 through the setting of connecting rod 204 and spout 502, can drive dead lever 202 and slide in first restriction groove 201, be favorable to restricting unblock shell fragment 401, avoid under the condition of non-artificial operation, there is other object to press unblock shell fragment 401, and the injured condition of the customer that causes takes place, be favorable to improving the security.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides a seat back locking structure of gear adjustment, includes other fishplate bar of back (1), fixed plate (2) and right angle board (3), its characterized in that:

fixed plate (2) are installed at the top of the other fishplate bar of back (1), right angle board (3) are installed to one side of the other fishplate bar of back (1), back sideboard (101) are installed through the hinge to the opposite side of the other fishplate bar of back (1), the first through-hole of a plurality of (102) has been seted up to one side of back sideboard (101), locking rod (103) are installed to the inner wall of first through-hole (102), first pressure spring (104) are installed to the outer wall of locking rod (103), and the inner wall in right angle board (3) is installed to the one end of first pressure spring (104).

2. The shift-position adjusting seat back lock structure according to claim 1, characterized in that:

through groove (301) have been seted up at the top of right angle board (3), and fixed slot (302) are installed to the outer wall of right angle board (3), and mounting groove (303) have been seted up to the outer wall of fixed slot (302), and dwang (304) are installed to the inner wall of mounting groove (303).

3. A shift position adjusting seatback locking structure according to claim 2, wherein:

first restriction groove (201) are installed to the bottom of fixed plate (2) one side, and dead lever (202) are installed to the inner wall in first restriction groove (201), and gyro wheel (203) are installed at the both ends of dead lever (202).

4. A shift-position-adjustable seatback lock structure according to claim 3, wherein:

the outer wall of the roller (203) is arranged on the inner wall of the first limiting groove (201), and the top of the fixing rod (202) is provided with a connecting rod (204).

5. A shift-position-adjustable seatback lock structure according to claim 3, wherein:

an unlocking elastic sheet (401) is installed at one end of the fixing rod (202), and the other end of the unlocking elastic sheet (401) is installed on the outer wall of the locking rod (103).

6. A shift-position-adjustable seatback lock structure according to claim 5, wherein:

a set of rotating shaft (402) is installed on one side of the unlocking elastic sheet (401), the inner wall of the rotating shaft (402) is installed on the outer wall of the rotating rod (304), and a limiting hole (403) is formed in one side of the unlocking elastic sheet (401).

7. The shift-position adjusting seat back lock structure according to claim 6, wherein:

a second limiting groove (501) is installed at the top of one side of the fixing plate (2), a sliding groove (502) is formed in the bottom of the second limiting groove (501), the inner wall of the sliding groove (502) is installed on the outer wall of the connecting rod (204), and a second through hole (503) is formed in one side of the connecting rod (204).

8. The shift-position adjusting seat back lock structure according to claim 7, wherein:

a limiting rod (601) is installed on the inner wall of the second through hole (503), a pushing block (602) is installed at one end of the limiting rod (601), a second pressure spring (603) is installed on the outer wall of the limiting rod (601), and a limiting block (604) is installed at the other end of the limiting rod (601).

9. The seat back lock structure for shift adjustment according to claim 8, characterized in that:

a limiting plate (605) is installed on one side of the limiting block (604), and the outer wall of the limiting plate (605) is installed on the inner wall of the second limiting groove (501).

10. The shift-position adjusting seat back lock structure according to claim 9, wherein:

a torsion spring (701) is installed on the outer wall of the rotating rod (304), and one end of the torsion spring (701) is installed on the inner wall of the limiting hole (403).