CN218198010U

CN218198010U - Seat backrest adjusting device and automobile with same

Info

Publication number: CN218198010U
Application number: CN202221377805.4U
Authority: CN
Inventors: 王俊; 李航宇; 何正远; 郑迎
Original assignee: Guizhou Huayang Auto Parts Co ltd
Current assignee: Guizhou Huayang Auto Parts Co ltd
Priority date: 2022-06-02
Filing date: 2022-06-02
Publication date: 2023-01-03
Anticipated expiration: 2032-06-02

Abstract

The utility model relates to the technical field of automobile seats, and discloses a seat backrest adjusting device and an automobile with the same, wherein the adjusting device comprises a mounting bracket, a guide assembly and a locking assembly, and the mounting bracket is provided with a sliding track area; one end of the guide component is connected with the sliding track area, and the other end of the guide component is connected with the backrest of the chair; the locking assembly is arranged on the mounting bracket and is connected with the guide assembly; when the seat back adjusts the position, the locking assembly unlocks the guide assembly, the seat back drives the guide assembly to slide along the sliding track area, and after the seat back is adjusted in place, the locking assembly locks the guide assembly to limit the movement of the seat back. The utility model has the advantages of simple and compact overall structure, weight is little reduces occupation space, and just influences little to automotive interior.

Description

Seat backrest adjusting device and automobile with same

Technical Field

The utility model relates to a car seat technical field especially relates to a backrest adjusting device and have its car.

Background

In order to adjust the angle of the backrest of the automobile seat, in order to reduce the weight of the seat system and to enhance the adjustment comfort of the backrest of the automobile seat. The automobile seat is provided with a structure capable of being used for adjusting the angle of a backrest, and the existing popular products mainly comprise a seat angle adjuster or the matching adjustment of a seat backrest lock and a backrest lock bolt. The structure that the backrest lock is matched with the backrest lock bolt for adjustment has the advantages of low cost and light weight compared with the seat angle adjuster on the premise of realizing the same safety requirement and comfort and under the boundary condition of the automobile body, so that more enterprises are developing in the direction at present.

However, the existing adjusting device for matching the seat back lock with the back lock bolt is complex in structure, large in occupied space and heavy in weight, a large avoidance groove needs to be formed in the automotive trim, the requirement on processing of the automotive trim is high, the attractiveness of the automotive trim is seriously influenced, and the simplification of the interior space of an automobile and the realization of light weight of the automobile are not facilitated.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a backrest adjusting device and have its car, overall structure is simple compact, and weight is little reduces occupation space, and influences for a short time to automotive interior.

In order to solve the technical problem, the utility model provides a backrest adjusting device, include:

a mounting bracket having a sliding track region;

one end of the guide component is connected with the sliding track area, and the other end of the guide component is connected with the seat back;

the locking assembly is arranged on the mounting bracket and is connected with the guide assembly;

when the seat back adjusts the position, the locking assembly unlocks the guide assembly, the seat back drives the guide assembly to slide along the sliding track area, and after the seat back is adjusted in place, the locking assembly locks the guide assembly to limit the movement of the seat back.

Preferably, the sliding track area is in an arc track structure.

Preferably, the sliding track area is a strip-shaped hole structure, and one end of the guide assembly is slidably inserted into the strip-shaped hole structure.

Preferably, the guide assembly comprises:

one end of the guide shaft is inserted into the strip-shaped hole structure;

the lock bolt support is connected with the other end of the guide shaft, and the locking assembly is connected with the lock bolt support.

Preferably, the lock bolt support is of a hollow structure, and two waist-round holes are formed in the lock bolt support along a direction parallel to the strip-shaped hole structure;

the locking assembly includes:

the two ends of the sliding screw rod are mounted on the mounting bracket through bearings, and the sliding screw rod sequentially penetrates through the two waist circular holes;

the sliding block is sleeved on the sliding screw rod and is positioned inside the lock bolt support;

the locking block is connected with the sliding block and used for locking the sliding block and limiting the sliding block to slide;

one end of the inhaul cable is connected with the locking block and used for pulling the locking block to unlock the sliding block;

the locking spring is sleeved on the inhaul cable, one end of the locking spring abuts against the locking block and is used for resetting the locking block and locking the sliding block again.

Preferably, the locking assembly further comprises a toggle plate, the sliding block is a sliding nut, and the sliding nut is in threaded connection with the sliding screw; the outer peripheral wall of the sliding nut is provided with a first crown gear; the locking block is a sliding sleeve, the sliding sleeve is sleeved on the sliding nut, one end of the sliding sleeve is provided with a second crown gear matched with the first crown gear, and the inhaul cable is connected with the sliding sleeve; the poking plate is sleeved on the sliding screw rod and is positioned inside the lock bolt support; the other end of the locking spring is abutted against the poking plate.

Preferably, the locking assembly further comprises a spring stop; the sliding block is provided with a sliding groove; the sliding screw rod penetrates through the sliding block in a sliding mode and passes through the sliding groove; the locking block is inserted into the sliding groove, an arc surface is arranged on one side wall, close to the sliding screw, of the locking block, and a locking thread matched with the sliding screw is arranged on the arc surface; the stay cable is connected with the locking block; the spring baffle with the sliding block is connected, just the spring baffle with the sliding tray sets up relatively, the other end butt of locking spring in the spring baffle.

Preferably, the mounting bracket comprises:

the strip-shaped hole structure is arranged on the first mounting plate;

the two second mounting plates are correspondingly arranged at two ends of the first mounting plate one by one and are perpendicular to the first mounting plate;

the opposite edges of the two second mounting plates extend to the direction of the strip-shaped hole structure respectively to form third mounting plates, and the third mounting plates are provided with mounting holes;

and two ends of the sliding screw rod are respectively installed in the installation holes in a one-to-one correspondence mode through bearings.

Preferably, the guide assembly further comprises a connecting lock bolt, one end of the connecting lock bolt is hinged to the guide shaft, and the other end of the connecting lock bolt is connected with the seat back.

Preferably, the other end of the connection latch is provided with a snap ring groove for detachable connection with the seat back.

Preferably, the guide shaft includes:

a step part is arranged at one end of the shaft body, and the step part is abutted against the inside of the strip-shaped hole structure;

the flange is connected with one end of the shaft body and abuts against one side wall of the mounting bracket;

the base, the base with the other end threaded connection of axis body, just the base butt in another lateral wall of installing support.

Preferably, a side wall of the mounting bracket is recessed towards the latch bracket to form a sliding groove, the flange is located in the sliding groove, and the flange abuts against the inner wall of the groove.

The utility model also provides an automobile, it includes above-mentioned arbitrary seat back adjusting device.

The utility model discloses following beneficial effect has:

the seat back adjusting device of the utility model is provided with the mounting bracket, the guide component and the locking component are arranged on the mounting bracket, the seat back is driven to move by external force, the seat back drives the guide component to slide along the sliding track area on the mounting bracket, and then the position of the seat back is adjusted; and set up the locking subassembly and lock the direction subassembly, the steadiness when guaranteeing not to need the regulation position. The whole structure is simple and compact, the weight is small, the size is small, the occupied space is reduced, the influence on the automotive interior is small, and the space utilization rate is improved.

Drawings

Fig. 1 is a schematic structural view of a seat back adjusting device provided by an embodiment of the present invention;

fig. 2 is an exploded view of a seat back adjustment device according to an embodiment of the present invention;

fig. 3 is a schematic structural diagram of a sliding block according to an embodiment of the present invention.

Reference numerals are as follows:

1. mounting a bracket; 11. a sliding track area; 12. a strip-shaped hole structure; 13. a first mounting plate; 14. a second mounting plate; 15. a third mounting plate;

2. a guide assembly; 21. a guide shaft; 21a, a shaft body; 21b, a flange; 21c, a base; 21d, a step portion; 22. a lock bolt bracket; 22a, a waist circular hole; 23. connecting a lock bolt; 23a, a snap ring groove;

3. a locking assembly; 31. a sliding screw; 32. a slider; 32a, a slip nut; 32b, a first crown tooth; 33. a locking block; 33a, a sliding sleeve; 33b, a second crown; 34. a cable; 35. a locking spring; 36. a poking plate; 37. and a spring baffle.

Detailed Description

The technical solutions in the embodiments of the present application will be described clearly and completely with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only some embodiments of the present application, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

In the description of the present application, it is to be understood that the terms "center", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, merely for convenience of description and simplicity of description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, are not to be construed as limiting the present application.

In the description of the present application, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; 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 application can be understood in a specific case by those of ordinary skill in the art.

Referring to fig. 1 and 2, an embodiment of the present invention provides a seat adjusting apparatus, including a mounting bracket 1, a guide assembly 2, and a locking assembly 3, wherein the mounting bracket 1 has a sliding track region 11; one end of the guide component 2 is connected with the sliding track area 11, and the other end is connected with the seat backrest; the locking assembly 3 is arranged on the mounting bracket 1, and the locking assembly 3 is connected with the guide assembly 2; when the position of the seat back is adjusted, the locking assembly 3 unlocks the guide assembly 2, the seat back drives the guide assembly 2 to slide along the sliding track area 11, and after the seat back is adjusted in place, the locking assembly 3 locks the guide assembly 2 to limit the movement of the seat back.

Above-mentioned seat adjusting device's use, the outside backrest that promotes to unblock locking subassembly 3, backrest drives guide assembly 2 and slides along sliding track district 11, slides the back that targets in place, stops to promote backrest, and locks guide assembly 2 again with locking subassembly 3, restricts backrest's activity, accomplishes backrest's regulation.

Most of the existing seat backrest adjusting devices adopt a linear track adjusting device, so that an avoiding groove of an automobile interior is required to be further enlarged, and the attractiveness of the automobile interior is seriously influenced; in some preferred embodiments of the present invention, the sliding track area 11 is an arc track structure. Specifically, the sliding track area 11 is an arc track structure, and can fit the motion arc track of the backrest of the automobile seat, so that the size of the avoiding groove can be reduced, and the influence on the interior trim of the automobile is reduced.

In some preferred embodiments of the present invention, the sliding track area 11 is a bar-shaped hole structure 12, and one end of the guiding component 2 is slidably inserted into the bar-shaped hole structure 12. So, adopt bar pore structure 12, can reduce overall structure's volume so that the direction subassembly 2 directly inserts and establishes to the bar downthehole, and then reduce occupation space.

In some preferred embodiments of the present invention, the guiding assembly 2 comprises a guiding shaft 21 and a lock bolt bracket 22, and one end of the guiding shaft 21 is inserted into the strip-shaped hole structure 12; a latch bracket 22 is connected to the other end of the guide shaft 21, and a locking assembly 3 is connected to the latch 23 bracket 22. Therefore, the locking assembly 3 drives the lock bolt bracket 22 to move, and further drives the guide shaft 21 to slide in the strip-shaped hole structure 12, and the structure is simple and compact.

In some preferred embodiments of the present invention, the latch bracket 22 is a hollow structure, and the latch bracket 22 has two waist-round holes 22a along the direction of the parallel bar-shaped hole structure 12, the locking component 3 includes a sliding screw 31, a sliding block 32, a locking block 33, a cable 34 and a locking spring 35, the sliding block 32 is sleeved on the sliding screw 31, and the sliding block 32 is located inside the latch bracket; the locking block 33 is connected with the sliding block 32 and used for locking the sliding block 32 and limiting the sliding of the sliding block 32; one end of the inhaul cable 34 is connected with the locking block 33 and used for pulling the locking block 33 so that the locking block 33 unlocks the sliding block 32; the locking spring 35 is sleeved on the cable 34, and one end of the locking spring 35 abuts against the locking block 33, so as to reset the locking block 33 and re-lock the sliding block 32.

Specifically, when the position of the seat back needs to be adjusted, the pull cable 34 is pulled, so that the locking block 33 compresses the locking spring 35 and releases the locking of the sliding block 32, the seat back is pushed by external force, the seat back drives the lock plunger bracket to move, the lock plunger bracket abuts against the sliding block 32, and the sliding block 32 slides along the sliding screw rod 31; after the seat back moves to a designated position, the inhaul cable 34 is loosened, the locking spring 35 resets the locking block 33 again, the locking block 33 limits the sliding of the sliding block 32, so that the latch bracket cannot move, the seat back cannot move, and the position of the seat back is limited.

In some preferred embodiments of the present invention, the locking assembly 3 further includes a toggle plate 36, the sliding block 32 is a sliding nut 32a, and the sliding nut 32a is in threaded connection with the sliding screw 31; the outer peripheral wall of the slide nut 32a is provided with a first crown tooth 32b; the locking block 33 is a sliding sleeve 33a, the sliding sleeve 33a is sleeved on the sliding nut 32a, one end of the sliding sleeve 33a is provided with a second crown gear 33b matched with the first crown gear 32b, and the inhaul cable 34 is connected with the sliding sleeve 33 a; the poking plate 36 is sleeved on the sliding screw 31, and the poking plate 36 is positioned inside the lock bolt bracket; the other end of the lock spring 35 abuts against the toggle plate 36.

The slide screw 31 is a screw having a friction angle smaller than a lead angle, and the slide nut 32a is a nut having a friction angle smaller than a lead angle; that is, when the sliding nut 32a is pushed by an external force, the sliding nut 32a rotates and slides along the sliding screw 31, and the toggling plate 36 is provided with a snap-fit position through which the cable 34 passes.

Specifically, when the position of the seat back needs to be adjusted, the cable 34 is pulled, so that the sliding sleeve 33a compresses the locking spring 35, the second crown tooth 33b is separated from the first crown tooth 32b, the locking of the sliding nut 32a is released, the seat back is pushed by external force, the seat back drives the latch bracket to move, the latch bracket abuts against the sliding nut 32a, and the sliding nut 32a rotates and slides along the sliding screw 31; when the seat back moves to a designated position, the inhaul cable 34 is loosened, the locking spring 35 resets the locking block 33 again, the second crown tooth 33b is meshed with the first crown tooth 32b, the sliding sleeve 33a limits the rotation of the sliding nut 32a, so that the latch bracket cannot move, the seat back cannot move, and the position of the seat back is limited.

Referring to fig. 3, in some preferred embodiments of the present invention, the locking assembly 3 further comprises a spring stop 37; the sliding block 32 is provided with a sliding groove; the sliding screw 31 penetrates through the sliding block 32 in a sliding manner and passes through the sliding groove; the locking block 33 is inserted into the sliding groove, and one side wall of the locking block 33 close to the sliding screw 31 is provided with an arc surface which is provided with a locking thread matched with the sliding screw 31; the stay cable 34 is connected with the locking block; the spring stopper 37 is connected to the slide block 32, the spring stopper 37 is disposed opposite to the slide groove, and the other end of the lock spring 35 abuts against the spring stopper 37.

It should be noted that the spring retainer 37 is provided with a snap-fit position through which the cable 34 passes.

Specifically, when the position of the seat back needs to be adjusted, the inhaul cable 34 is pulled, so that the locking block 33 compresses the locking spring 35 and slides along the sliding groove, the locking thread is separated from the sliding screw 31, the seat back is pushed by external force, the seat back drives the lock plunger support to move, the lock plunger support abuts against the sliding block 32, and the sliding block 32 slides along the sliding screw 31; when the seat back moves to a designated position, the inhaul cable 34 is loosened, the locking spring 35 resets the locking block 33 again, the locking thread of the locking block 33 is engaged with the thread of the sliding screw 31 again, the sliding block 32 is limited to slide, the lock bolt support cannot move, the seat back cannot move, and the position of the seat back is limited.

In some preferred embodiments of the present invention, the mounting bracket 1 includes a first mounting plate 13 and two second mounting plates 14, and the bar-shaped hole structure 12 is opened on the first mounting plate 13; the two second mounting plates 14 are correspondingly arranged at two ends of the first mounting plate 13 one by one, and the second mounting plates 14 are perpendicular to the first mounting plate 13; wherein, the opposite edges of the two second mounting plates 14 are respectively extended to the direction of the strip-shaped hole structure 12 to form third mounting plates 15, and the third mounting plates 15 are provided with mounting holes; two ends of the sliding screw 31 are correspondingly mounted in the mounting holes through bearings. Therefore, the mounting bracket 1 is simple and compact in structure, convenient for mounting other components and convenient for subsequent maintenance.

In some preferred embodiments of the present invention, the guiding assembly 2 further comprises a connecting lock 23, one end of the connecting lock 23 is hinged to the guiding shaft 21, and the other end is connected to the backrest of the chair.

In some preferred embodiments of the present invention, the other end of the connection latch 23 is provided with a snap ring groove 23a for detachable connection with the seat back. Specifically, the snap ring groove 23a can be detachably connected with the seat back, so that subsequent replacement and maintenance are facilitated.

In some preferred embodiments of the present invention, the guiding shaft 21 includes a shaft body 21a, a flange 21b and a base 21c, one end of the shaft body 21a is provided with a step portion 21d, and the step portion 21d abuts against the inside of the bar-shaped hole structure 12; the flange 21b is connected with one end of the shaft body 21a, and the flange 21b abuts against one side wall of the mounting bracket 1; the base 21c is screwed to the other end of the shaft 21a, and the base 21c abuts against the other side wall of the mounting bracket 1. Adopt step portion 21d to make more firm when sliding in bar pore structure 12 to adopt flange 21b and base 21c to connect the both ends of axis body 21a respectively, overall structure is compact, makes things convenient for assembly and follow-up maintenance to change.

In some preferred embodiments of the present invention, a side wall of the mounting bracket 1 is recessed toward the latch bracket 22 to form a sliding groove, the flange 21b is located in the sliding groove, and the flange 21b abuts against an inner wall of the groove. Specifically, the flange 21b can slide in the sliding groove, and the plane of the flange is lower than that of the mounting bracket 1, so that the flange is prevented from rubbing the automotive trim when sliding.

In some preferred embodiments of the present invention, there is also provided an automobile including the seat back adjusting device of any one of the above-mentioned embodiments.

To sum up, the preferred embodiment of the present invention provides a seat back adjusting device, which is compared with the prior art:

The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and replacements can be made without departing from the technical principle of the present invention, and these modifications and replacements should also be regarded as the protection scope of the present invention.

Claims

1. A seat back adjustment device, comprising:

a mounting bracket (1), the mounting bracket (1) having a sliding trajectory zone (11);

one end of the guide component (2) is connected with the sliding track area (11), and the other end of the guide component (2) is connected with the backrest of the chair;

the locking assembly (3) is mounted on the mounting bracket (1), and the locking assembly (3) is connected with the guide assembly (2);

the sliding track area (11) is of a strip-shaped hole structure (12), and one end of the guide assembly (2) can be slidably inserted into the strip-shaped hole structure (12);

the guide assembly (2) comprises:

one end of the guide shaft (21) is inserted into the strip-shaped hole structure (12);

a latch bracket (22), the latch bracket (22) being connected to the other end of the guide shaft (21), and the locking assembly (3) being connected to the latch bracket (22);

the lock bolt support (22) is of a hollow structure, and two waist circular holes (22 a) are formed in the lock bolt support (22) along a direction parallel to the strip-shaped hole structure (12);

the locking assembly (3) comprises:

the two ends of the sliding screw rod (31) are mounted on the mounting bracket (1), and the sliding screw rod (31) sequentially penetrates through the two waist circular holes (22 a);

the sliding block (32) is sleeved on the sliding screw rod (31), and the sliding block (32) is positioned inside the lock bolt bracket;

the locking block (33) is connected with the sliding block (32) and used for locking the sliding block (32) and limiting the sliding block (32) to slide;

one end of the pull rope (34) is connected with the locking block (33) and used for pulling the locking block (33) to enable the locking block (33) to unlock the sliding block (32);

the locking spring (35), the locking spring (35) cover is located cable (34), just one end butt of locking spring (35) in latch segment (33), be used for with latch segment (33) reset, lock again slider (32).

2. The seat back adjustment device according to claim 1, characterized in that the sliding track section (11) is of an arc-shaped track configuration.

3. The seat back adjustment device according to claim 1, characterized in that the locking assembly (3) further comprises a toggle plate (36), the sliding block (32) is a sliding nut (32 a), and the sliding nut (32 a) is connected with the sliding screw (31); the outer peripheral wall of the slide nut (32 a) is provided with a first crown tooth (32 b); the locking block (33) is a sliding sleeve (33 a), the sliding sleeve (33 a) is sleeved on the sliding nut (32 a), one end of the sliding sleeve (33 a) is provided with a second crown gear (33 b) matched with the first crown gear (32 b), and the inhaul cable (34) is connected with the sliding sleeve (33 a); the poking plate (36) is sleeved on the sliding screw rod (31), and the poking plate (36) is positioned inside the lock bolt bracket; the other end of the lock spring (35) abuts against the toggle plate (36).

4. The seat back adjustment device of claim 1, wherein the latch assembly (3) further comprises a spring flapper (37); the sliding block (32) is provided with a sliding groove; the sliding screw (31) penetrates through the sliding block (32) in a sliding mode and passes through the sliding groove; the locking block (33) is inserted into the sliding groove, an arc surface is arranged on one side wall, close to the sliding screw rod (31), of the locking block (33), and a locking thread matched with the sliding screw rod (31) is arranged on the arc surface; the inhaul cable (34) is connected with the locking block (33); spring baffle (37) with sliding block (32) are connected, just spring baffle (37) with the sliding tray sets up relatively, the other end butt of locking spring (35) in spring baffle (37).

5. The seat back adjustment device according to claim 1, characterized in that the mounting bracket (1) comprises:

the first mounting plate (13), the strip-shaped hole structure (12) is arranged on the first mounting plate (13);

the two second mounting plates (14) are correspondingly arranged at two ends of the first mounting plate (13) one by one, and the second mounting plates (14) are perpendicular to the first mounting plate (13);

the opposite edges of the two second mounting plates (14) extend to the direction of the strip-shaped hole structure (12) to form third mounting plates (15), and mounting holes are formed in the third mounting plates (15);

and the two ends of the sliding screw rods (31) are respectively and correspondingly arranged in the mounting holes one by one.

6. The seat back adjustment device according to claim 1, characterized in that the guide assembly (2) further comprises a connection latch (23), one end of the connection latch (23) is hinged with the guide shaft (21) and the other end is connected with the seat back.

7. The seat back adjustment device according to claim 6, characterized in that the other end of the connection latch (23) is provided with a snap ring groove (23 a) for detachable connection with the seat back.

8. The seat back adjustment device according to claim 1, characterized in that the guide shaft (21) comprises:

a shaft body (21 a), wherein one end of the shaft body (21 a) is provided with a step part (21 d), and the step part (21 d) is abutted against the inside of the strip-shaped hole structure (12);

a flange (21 b), wherein the flange (21 b) is connected with one end of the shaft body (21 a), and the flange (21 b) is abutted against one side wall of the mounting bracket (1);

and the base (21 c), the base (21 c) is connected with the other end of the shaft body (21 a), and the base (21 c) is abutted against the other side wall of the mounting bracket (1).

9. The seat back adjustment device according to claim 8, characterized in that a side wall of the mounting bracket (1) is recessed in the direction of the latch bracket (22) to form a sliding groove, the flange (21 b) is located in the sliding groove, and the flange (21 b) abuts against an inner wall of the groove.

10. An automobile, characterized in that: comprising a seat back adjustment device according to any one of claims 1-9.