CN218400300U

CN218400300U - Seat backrest adjusting device and automobile with same

Info

Publication number: CN218400300U
Application number: CN202222063933.8U
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: 2022-08-05
Filing date: 2022-08-05
Publication date: 2023-01-31
Anticipated expiration: 2032-08-05

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, a sliding screw, a sliding nut and a locking assembly, and the mounting bracket is provided with a sliding track area; the guide assembly comprises a sliding block, one end of the sliding block is connected with the sliding track area, and the other end of the sliding block is connected with the backrest of the chair; the sliding block is provided with a jack; two ends of the sliding screw rod are mounted on the mounting bracket through bearings, and the sliding screw rod is arranged in parallel with the sliding track area; the sliding nut is sleeved on the sliding screw rod and provided with an insertion block, and the insertion block is inserted into the insertion hole; the locking assembly is arranged on the bracket and is connected with the sliding screw rod; the utility model has simple and compact integral structure, light weight, reduced occupied space and small influence on the interior decoration of the automobile; and the installation and maintenance are convenient and fast, and the cost is reduced.

Description

Seat back adjusting device and have its car

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 avoiding 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 affected, and the simplification of the interior space of an automobile and the realization of light weight of the automobile are not facilitated. And installation and maintenance are inconvenient.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a seat backrest adjusting device and an automobile with the same, which have simple and compact integral structure, light weight, reduced occupied space and small influence on the interior decoration of the automobile; and the installation and maintenance are convenient and fast, and the cost is reduced.

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

a mounting bracket having a sliding track region;

the guide assembly comprises a sliding block, one end of the sliding block is connected with the sliding track area, and the other end of the sliding block is connected with the backrest of the chair; the sliding block is provided with a jack;

the two ends of the sliding screw rod are arranged on the mounting bracket, and the sliding screw rod is arranged in parallel with the sliding track area;

the sliding nut is sleeved on the sliding screw rod and provided with an insertion block, and the insertion block is inserted into the insertion hole;

the locking assembly is arranged on the bracket and is connected with the sliding screw rod;

when the seat back is fixed, the locking assembly limits the sliding screw rod to rotate; when the seat back is adjusted, the locking assembly releases the limit of the sliding screw rod to rotate.

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

Preferably, the sliding track area is a strip-shaped hole structure, the guide assembly further comprises a guide shaft, and one end of the guide shaft penetrates through the strip-shaped hole structure and then is connected with the sliding block.

Preferably, the locking assembly comprises:

a locking bracket mounted to the mounting bracket;

the locking disc is sleeved at one end of the sliding screw rod;

the locking pawl is slidably arranged on the locking bracket and abuts against the locking disc to limit the locking disc to rotate;

one end of the inhaul cable is connected with the locking pawl;

the locking spring is sleeved on the inhaul cable, one end of the locking spring abuts against the locking pawl, and the other end of the locking spring abuts against the locking support.

Preferably, the peripheral wall of the locking disc is provided with a plurality of locking grooves which are uniformly distributed; the locking pawl is provided with a locking block matched with the locking groove, and the locking block is inserted into the locking groove.

Preferably, the locking support is provided with a sliding groove, the locking pawl is provided with a locking sliding block, and the locking sliding block is slidably inserted in the sliding groove.

Preferably, the locking assembly further comprises a locking buckle, the locking buckle is arranged on the locking pawl, and the pull cable is connected with the locking buckle.

Preferably, the mounting bracket comprises:

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

a second mounting plate disposed on the first mounting plate;

the second mounting plate is provided with a mounting hole;

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

Preferably, the guiding component further comprises a connecting lock bolt, one end of the connecting lock bolt is connected with the sliding block, 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 other end of the shaft body penetrates through the strip-shaped hole structure and then is connected with the sliding block;

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

Preferably, a side wall of the mounting bracket is recessed towards the direction of the slider to form a sliding groove, the flange is located in the sliding groove, and the flange abuts against the inner wall of the sliding 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. Meanwhile, the guide assembly is provided with the sliding block, the sliding block is provided with the jack, the sliding nut is provided with the insert block, and the insert block is matched with the jack in a connecting mode, so that the assembly and disassembly between the sliding nut and the guide assembly are facilitated, the assembly and subsequent maintenance efficiency is improved, and the cost is reduced.

Drawings

Fig. 1 is a schematic structural diagram of a seat back adjusting device according to an embodiment of the present invention;

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

fig. 3 is a schematic structural diagram of a locking assembly provided by an embodiment of the present invention.

Reference numerals:

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;

2. a guide assembly; 21. a guide shaft; 21a, a shaft body; 21b, a flange; 22. a slider; 23. connecting a lock bolt; 23a, a snap ring groove;

3. a locking assembly; 31. a sliding screw; 32. a sliding nut; 32a, an insert block; 33. a locking plate; 34. a cable; 35. a locking spring; 36. a locking pawl; 37. locking the buckle; 38. and locking the bracket.

Detailed Description

The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all of the 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, and are only for convenience in describing the present application and simplifying the description, but do not indicate or imply that the referred device or element must have a particular orientation, be constructed in a particular orientation, and be operated, and thus should not 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, a sliding screw 31, a sliding nut 32, and a locking assembly 3, wherein the mounting bracket 1 has a sliding track region 11; the guide component 2 comprises a slide block 22, one end of the slide block 22 is connected with the sliding track area 11, and the other end of the slide block 22 is connected with the backrest of the chair; the slide block 22 is provided with a jack; two ends of the sliding screw 31 are mounted on the mounting bracket 1 through bearings, and the sliding screw 31 is arranged in parallel with the sliding track area 11; the sliding nut 32 is sleeved on the sliding screw 31, and the sliding nut 32 is provided with an insertion block 32a, and the insertion block 32a is inserted into the insertion hole; the locking assembly 3 is arranged on the bracket, and the locking assembly 3 is connected with the sliding screw 31; when the seat back is fixed, the locking assembly 3 limits the sliding screw 31 to rotate; when the seat back is adjusted, the lock assembly 3 releases the restriction of the rotation of the slide screw 31.

When the seat adjusting device is used, the seat backrest is pushed externally, the locking assembly 3 is unlocked, the seat backrest drives the sliding nut 32 to slide along the sliding screw 31, the sliding nut 32 drives the sliding block 22 to slide along the sliding track area 11, the seat backrest stops being pushed after the sliding is in place, the locking assembly 3 is locked again to the guide assembly 2, the movement of the seat backrest is limited, and the adjustment of the seat backrest is completed.

It should be noted that the sliding screw 31 is a screw whose friction angle is smaller than the lead angle, and the sliding nut 32 is a nut whose friction angle is smaller than the lead angle; that is, when the slide nut 32 is pushed by an external force, the slide nut 32 is rotated and slides along the slide screw 31.

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.

The utility model discloses a in some preferred embodiments, slip orbit district 11 is bar pore structure 12, and the direction subassembly still includes guiding axle 21, and slider 22 seted up with bar pore structure complex guiding hole, the one end of guiding axle 21 is passed bar pore structure 12 and is inserted and locate the guiding hole. So, adopt bar pore structure 12, can be so that guide assembly 2 directly inserts and establish the bar downthehole, reduce overall structure's volume, and then reduce occupation space.

Referring to fig. 3, in some preferred embodiments of the present invention, the locking assembly 3 includes:

a locking bracket 38, wherein the locking bracket 38 is arranged on the mounting bracket 1;

a locking disc 33, wherein the locking disc 33 is sleeved at one end of the sliding screw 31;

a locking pawl 36, the locking pawl 36 being slidably mounted on the locking bracket 38, the locking pawl 36 abutting against the locking disk 33 for limiting the rotation of the locking disk 33;

one end of the pull cable 34 is connected with a locking pawl 36;

and a locking spring 35, wherein the locking spring 35 is sleeved on the cable 34, one end of the locking spring 35 is abutted against the locking pawl 36, and the other end of the locking spring is abutted against the locking bracket 38.

Specifically, when the position of the seat back needs to be adjusted, the cable 34 is pulled, so that the locking pawl compresses the locking spring 35 and releases the locking of the locking disc, the seat back is pushed by external force, and the seat back drives the sliding nut 32 to move, so that the sliding nut 32 slides along the sliding screw 31; after the seat back moves to a specified position, the inhaul cable 34 is loosened, the locking pawl 36 is reset again by the locking spring 35, the locking pawl limits the rotation of the locking disc 33, the rotation of the sliding screw 31 is further limited, the sliding nut 32 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 outer peripheral wall of the locking plate 33 is provided with a plurality of locking grooves which are uniformly distributed; the locking pawl 36 is provided with a locking block that cooperates with the locking groove, the locking block being inserted into the locking groove. Specifically, the locking block is inserted into the locking groove, so that the rotation of the locking disc 33 is limited, and the rotation of the sliding screw 31 is further limited.

The utility model discloses an in some preferred embodiments, the sliding tray has been seted up to the locking support, and locking pawl 36 is provided with the locking sliding block, and the sliding tray is located to the sliding insertion of locking sliding block. Specifically, the locking sliding block can slide in the sliding tray, and then realizes that the locking piece inserts and locates the locking groove or leaves the locking groove.

In some preferred embodiments of the present invention, the locking assembly 3 further includes a locking buckle 37, the locking buckle 37 is disposed on the locking pawl 36, and the cable 34 is connected to the locking buckle 37. Specifically, the connection of the cable 34 can be facilitated by the locking catch 37.

It should be noted that the locking bracket is provided with a clamping groove for clamping the cable 34.

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 two second mounting plates 14 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 latch 23, one end of the connecting latch 23 is connected to the slider 22, 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 axle 21 includes an axle body 21a and a flange 21b, one end of the axle body 21a is provided with a step portion, and the step portion abuts against the inside of the bar-shaped hole structure 12; the other end of the shaft body 21a penetrates through the strip-shaped hole structure 12 and then is inserted into the guide hole; the flange 21b is connected to one end of the shaft 21a, and the flange 21b abuts against one sidewall of the mounting bracket 1. Adopt step portion to make more firm when sliding in bar pore structure 12, overall structure is compact, and convenient assembly and follow-up maintenance are changed.

In some preferred embodiments of the present invention, a side wall of the mounting bracket 1 is recessed toward the slider 22 to form a sliding groove, the flange 21b is located in the sliding groove, and the flange 21b abuts against the 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 a vehicle including the seat back adjustment device of any one of the above.

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

the seat backrest adjusting device of the utility model is provided with the mounting bracket 1, the guide component 2 and the locking component 3 are arranged on the mounting bracket 1, the seat backrest is driven to move by external force, the seat backrest drives the guide component 2 to slide along the sliding track area 11 on the mounting bracket 1, and then the position of the seat backrest is adjusted; and set up locking Assembly 3 and lock guide Assembly 2, ensure the steadiness when not needing the regulation position. Meanwhile, the guide assembly 2 is provided with the sliding block 22, the sliding block 22 is provided with a jack, the sliding nut 32 is provided with the insertion block 32a, and the insertion block 32a is matched with the connection mode of the jack, so that the assembly and disassembly between the sliding nut 32 and the guide assembly 2 are facilitated, the assembly and subsequent maintenance efficiency is improved, and the cost is reduced.

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);

the guide assembly (2) comprises a sliding block (22), one end of the sliding block (22) is connected with the sliding track area (11), and the other end of the sliding block (22) is connected with the backrest of the chair; the sliding block (22) is provided with a jack;

the two ends of the sliding screw rod (31) are rotatably arranged on the mounting bracket (1), and the sliding screw rod (31) is parallel to the sliding track area (11);

the sliding nut (32) is sleeved on the sliding screw rod (31), an insertion block (32 a) is arranged on the sliding nut (32), and the insertion block (32 a) is inserted into the insertion hole;

the locking assembly (3), the locking assembly (3) is installed on the bracket, and the locking assembly (3) is connected with the sliding screw rod (31);

when the seat back is fixed, the locking assembly (3) limits the sliding screw rod (31) to rotate; when the seat back is adjusted, the locking component (3) releases the limitation of the rotation of the sliding screw rod (31).

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 sliding track section (11) is a slotted hole structure (12), the guide assembly (2) further comprises a guide shaft (21), and one end of the guide shaft (21) passes through the slotted hole structure (12) to be connected with the sliding block (22).

4. The seat back adjustment device according to claim 3, characterized in that the locking assembly (3) comprises:

a locking bracket (38), the locking bracket (38) being mounted to the mounting bracket (1);

the locking disc (33), the locking disc (33) is sleeved at one end of the sliding screw rod (31);

a locking pawl (36), wherein the locking pawl (36) is slidably mounted on the locking bracket (38), and the locking pawl (36) abuts against the locking disc (33) and is used for limiting the rotation of the locking disc (33);

a pull cable (34), wherein one end of the pull cable (34) is connected with the locking pawl (36);

the locking spring (35) is sleeved on the inhaul cable (34), one end of the locking spring (35) abuts against the locking pawl (36), and the other end of the locking spring abuts against the locking support (38).

5. The seat back adjustment device according to claim 4, characterized in that the peripheral wall of the locking disc (33) is provided with a plurality of evenly distributed locking grooves; the locking pawl (36) is provided with a locking block matched with the locking groove, and the locking block is inserted into the locking groove.

6. The seat back adjustment device according to claim 4, characterized in that the locking bracket defines a sliding groove, and the locking pawl (36) defines a locking sliding block, and the locking sliding block is slidably inserted into the sliding groove.

7. Seat back adjustment device according to claim 4, characterized in that the locking assembly (3) further comprises a locking catch (37), the locking catch (37) being arranged at the locking pawl (36), the cable (34) being connected with the locking catch (37).

8. The seat back adjustment device according to claim 3, 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);

a second mounting plate (14), the second mounting plate (14) being provided to the first mounting plate (13);

the two second mounting plates (14) are provided with mounting holes;

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

9. The seat back adjustment device according to claim 3, characterized in that the guide assembly (2) further comprises a connection latch (23), one end of the connection latch (23) is connected with the slider (22) and the other end is connected with the seat back.

10. The seat back adjustment device according to claim 9, 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.

11. The seat back adjustment device according to claim 3, 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, and the step part is abutted against the inside of the strip-shaped hole structure (12); the other end of the shaft body (21 a) penetrates through the strip-shaped hole structure (12) and then is connected with a sliding block (22);

and 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).

12. The seat backrest adjusting device according to claim 11, characterized in that one side wall of the mounting bracket (1) is recessed in the direction of the slider (22) to form a sliding groove, the flange (21 b) is located in the sliding groove, and the flange (21 b) abuts against the inner wall of the sliding groove.

13. An automobile, characterized in that: comprising a seat back adjustment device according to any one of claims 1-12.