CN211765071U

CN211765071U - Rear seat fixing assembly

Info

Publication number: CN211765071U
Application number: CN201922276638.9U
Authority: CN
Inventors: 孙恒; 杜文鑫
Original assignee: Zhejiang Geely Holding Group Co Ltd; Zhejiang Geely Automobile Research Institute Co Ltd
Current assignee: Zhejiang Geely Holding Group Co Ltd; Zhejiang Geely Automobile Research Institute Co Ltd
Priority date: 2019-12-17
Filing date: 2019-12-17
Publication date: 2020-10-27
Anticipated expiration: 2029-12-17

Abstract

The utility model provides a fixed subassembly of back seat, including side wall back seat fixed bolster and seat pivot, the side wall back seat fixed bolster includes spacing breach, spacing breach is located to the one end of seat pivot, the seat pivot includes first spacing arch and the spacing arch of second, first spacing arch is located side wall back seat fixed bolster, the spacing arch of second is located outside the side wall back seat fixed bolster and is close to spacing breach, back seat fixed subassembly still includes the spacing support of seat, the spacing support of seat includes support subject and spacing portion, support subject fixes on side wall back seat fixed bolster, spacing portion links to each other with support subject, and be located side wall back seat fixed bolster, spacing portion supports and leans on first spacing arch. The utility model discloses a back seat fixed subassembly can solve the problem of back row seat back abnormal sound when rotating to back row seat is in distortion road surface abnormal sound problem under the whole car developments of solution, and the installation effectiveness of final assembly seat is higher.

Description

Rear seat fixing assembly

Technical Field

The utility model relates to an automobile manufacturing technical field especially relates to a subassembly is fixed to back seat.

Background

The automobile safety seat is generally used safety equipment of an automobile and is an effective member protection device. In order to make the safety seat function adequately in a motor vehicle, the structural features of the motor vehicle seat and the body in white play a crucial role.

The working principle of the car seat is roughly as follows: the angle of the seat backrest rotating shaft is 92 degrees, the axis of the seat rotating shaft horseshoe (the backrest rotating shaft) is taken as a rotating axis, 10-degree rotating angles sequentially rotate (the last rotating angle is 12 degrees), and when the rotating track of the seat rotating shaft horseshoe is simulated, the moving track is in a fan shape; the seat rotating shaft horseshoe and the vehicle body metal plate are in interference fit, and the horseshoe of the back seat backrest is prevented from escaping in the overturning process.

The existing vehicle type back row seat mounting structure: the back row seat back has three mounting points respectively and is: side wall end mounting points (bilateral symmetry) and middle mounting points. And the main structure of the side wall end mounting point is as follows: seat pivot, back row seat fixed bolster, seat skeleton and back row seat fixed bolster reinforcing plate, the one end setting of seat pivot is in back row seat fixed bolster, and its other end links to each other with the seat skeleton, and back row seat fixed bolster reinforcing plate sets up on back row seat fixed bolster to the intensity of reinforcing back row seat fixed bolster, at the in-process of driving, back row seat fixed bolster can receive the effort of seat pivot.

However, the conventional rear seat mounting structure has various problems, such as: 1. the requirement of the working principle of the seat rotating shaft is as follows: after the assembly of the seat is finished due to the interference fit of the horseshoe of the rotating shaft of the seat and the metal plate of the vehicle body, the backrest of the seat is abnormal when turning over; 2. because the horseshoe of the seat rotating shaft is in interference fit with the metal plate of the vehicle body, the existing structure is difficult to ensure the installation precision, so that the efficiency is low in the assembling process; 3. when the real vehicle passes through a twisted road, the seat can shift towards the Y direction, the acting force of the seat rotating shaft in the Y direction is increased, and the problem of metal plate gap between the reinforcing plate of the rear-row seat fixing support and the rear-row seat fixing support is caused; 4. spacing failure of the seat rotating shaft in the Z direction and abnormal sound of the seat rotating shaft are caused by the fact that the reinforcing plate of the rear-row seat fixing support and the metal plate of the rear-row seat fixing support are separated from the seam.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a subassembly is fixed to back seat can solve the problem of back row back seat abnormal sound when rotating to solved whole car developments down back row seat because of do not have spacingly in "Y" orientation, spacing became invalid on "Z" orientation, the distortion road surface abnormal sound problem of bringing, the installation effectiveness of final assembly seat is higher.

The utility model provides a fixed subassembly of back seat, including side wall back seat fixed bolster and seat pivot, the side wall back seat fixed bolster includes spacing breach, spacing breach is located to the one end of seat pivot, the seat pivot includes first spacing arch and the spacing arch of second, first spacing arch is located side wall back seat fixed bolster, the spacing arch of second is located outside the side wall back seat fixed bolster and is close to spacing breach, back seat fixed subassembly still includes the spacing support of seat, the spacing support of seat includes support subject and spacing portion, support subject fixes on side wall back seat fixed bolster, spacing portion links to each other with support subject, and be located side wall back seat fixed bolster, spacing portion supports and leans on first spacing arch.

Further, spacing portion includes first stopper and second stopper, and the second stopper is connected between first stopper and support main part, and the contained angle that second stopper and first stopper formed is towards first spacing arch, and first stopper supports and leans on in first spacing bellied one side, and the second stopper supports and leans on in first spacing bellied opposite side.

Further, be equipped with the protective layer on the first spacing arch, the protective layer covers first spacing arch, and first stopper and second stopper all lean on the protective layer.

Further, be equipped with the support arch that is used for reducing area of contact on one side that first stopper is close to first stopper on the first spacing arch, the protective layer covers the support arch, and first stopper supports and leans on the support arch.

Furthermore, the side wall rear seat fixing support further comprises a first avoiding notch and a bolt, the first avoiding notch is communicated with the limiting notch, and one end of the bolt is fixed on the side wall rear seat fixing support and located on one side of the first avoiding notch.

Furthermore, the rear seat fixing assembly further comprises a nut for fixing the support main body, a mounting hole is formed in the support main body, the bolt penetrates through the mounting hole, and the nut is connected with the bolt in a matched mode.

Further, the mounting hole is runway-shaped.

Further, the rear seat fixing assembly further comprises a protection element for protecting the seat rotating shaft, the protection element is fixed on the side wall rear seat fixing support and comprises a second avoidance notch, and the second avoidance notch is opposite to the limiting notch.

Furthermore, one side of the protection element, which is close to the side wall rear seat fixing support, is provided with a connecting protrusion and a filling protrusion, the connecting protrusion is close to the filling protrusion, the filling protrusion is arranged along the edge of the second avoiding notch, the side wall rear seat fixing support is provided with a connecting through hole, the connecting through hole is internally close to the limiting notch, the connecting protrusion is arranged in the connecting through hole, and the filling protrusion is arranged in the limiting notch.

The utility model discloses a back seat fixed subassembly's seat limit support is fixed on side wall back seat fixed bolster, and first stopper supports and leans on the support protrusion, and the second stopper supports and leans on in the terminal surface of first limit protrusion, has restricted the seat pivot in "Y" direction and the removal of "Z" direction, has solved under the whole car developments back row seat because of there is not spacing in "Y" direction, spacing failure in "Z" direction, the distortion road surface abnormal sound problem brought; the first limiting block and the second limiting block are in contact with the protective layer, so that direct contact between metal and metal is avoided, and abnormal sound is further reduced; the clearance between the limiting support of the seat and the rotating shaft of the seat can be adjusted through the mounting hole, the assembling precision is easy to guarantee, and the mounting efficiency of the final assembly seat is improved.

Drawings

Fig. 1 is a schematic structural view of a rear seat fixing assembly according to an embodiment of the present invention.

Fig. 2 is an exploded view of fig. 1.

Fig. 3 is a schematic structural view of a side wall rear seat fixing bracket according to an embodiment of the present invention.

Fig. 4 is a schematic structural view of a seat pivot according to an embodiment of the present invention.

Fig. 5 is a schematic cross-sectional view of a seat pivot according to an embodiment of the present invention.

Fig. 6 is a schematic structural view of a seat limiting bracket according to an embodiment of the present invention.

Fig. 7 is a schematic structural diagram of a protection element according to an embodiment of the present invention.

Fig. 8 is a schematic sectional view at a-a in fig. 1.

Detailed Description

The following detailed description of the embodiments of the present invention is provided with reference to the accompanying drawings and examples. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.

Fig. 1 is a schematic structural view of a rear seat fixing assembly according to an embodiment of the present invention. Fig. 2 is an exploded view of fig. 1. As shown in fig. 1 and 2, the rear seat attachment assembly 10 includes a side surrounding rear seat attachment bracket 12, a seat rotation shaft 13, a seat position restricting bracket 14, a protective member 15 for protecting the seat rotation shaft 13, and a nut 16 for attaching the seat position restricting bracket 14. One end of the seat rotating shaft 13 is arranged in the side wall rear seat fixing support 12, one part of the seat limiting support 14 is fixed on the side wall rear seat fixing support 12, the other part of the seat limiting support is arranged in the side wall rear seat fixing support 12 and abuts against the seat rotating shaft 13, the protecting element 15 is arranged on the side wall rear seat fixing support 12, the seat rotating shaft 13 is opposite to the protecting element 15, and the nut 16 is positioned above the seat limiting support 14.

Fig. 3 is a schematic structural view of a side wall rear seat fixing bracket according to an embodiment of the present invention. As shown in fig. 1 and 3, the side wall rear seat fixing bracket 12 is substantially triangular and tapered, and has a hollow structure, and the side wall rear seat fixing bracket 12 includes a first surface 121, a second surface 122, a third surface 123, a limiting notch 124, a first avoiding notch 125, a bolt 126, and a connecting through hole 127. The limiting notch 124 and the connecting through hole 127 are both arranged on the first surface 121, the first avoiding notch 125 and the bolt 126 are both arranged on the second surface 122, the first surface 121 is adjacent to the second surface 122, the first avoiding notch 125 is communicated with the limiting notch 124, one end of the bolt 126 is fixed on the side wall rear seat fixing support 12 and is located on one side of the first avoiding notch 125, the connecting through hole 127 is close to the limiting notch 124, specifically, the number of the connecting through holes 127 is two, but not limited to this, and the number of the connecting through holes 127 can be freely selected according to actual conditions. In the present embodiment, the bolt 126 is fixed to the side body rear seat fixing bracket 12 by projection welding, but not limited thereto.

Fig. 4 is a schematic structural view of a seat pivot according to an embodiment of the present invention. Fig. 5 is a schematic cross-sectional view of a seat pivot according to an embodiment of the present invention. As shown in fig. 4 and 5, the seat rotating shaft 13 includes a first limiting protrusion 131 and a second limiting protrusion 132, the first limiting protrusion 131 is located at an end of the seat rotating shaft 13, and the second limiting protrusion 132 is located at one side of the first limiting protrusion 131, that is, a space exists between the first limiting protrusion 131 and the second limiting protrusion 132. Specifically, the first limiting protrusion 131 includes an end surface 1311, a side surface 1312, a protective layer 1313, and a supporting protrusion 1314 for reducing a contact area, the end surface 1311 is connected to the side surface 1312, the supporting protrusion 1314 is disposed on the side surface 1312, the protective layer 1313 covers the supporting protrusion 1314 and extends to the end surface 1311, the first limiting protrusion 131, the second limiting protrusion 132, and the supporting protrusion 1314 are all circular, but not limited thereto, further, the end surface 1311 of the first limiting protrusion 131 is an arc surface, the side surface 1312 of the first limiting protrusion 131 is a plane, and the diameter of the first limiting protrusion 131 is greater than the diameter of the second limiting protrusion 132. In the present embodiment, the material of the protective layer 1313 may be specifically rubber, but is not limited thereto.

Fig. 6 is a schematic structural view of a seat limiting bracket according to an embodiment of the present invention. As shown in fig. 6, the seat limit bracket 14 includes a bracket main body 141 and a limit portion 142. The bracket main body 141 is connected to the limiting portion 142, the bracket main body 141 is provided with a mounting hole 1411 and a reinforcing rib 1412, the mounting hole 1411 is located on one side of the reinforcing rib 1412, and specifically, the mounting hole 1411 is in a track shape. The limiting portion 142 includes a first limiting block 1421 and a second limiting block 1422, the second limiting block 1422 is connected between the first limiting block 1421 and the bracket body 141, and an included angle is formed between the second limiting block 1422 and the first limiting block 1421, so that the limiting portion 142 is substantially L-shaped, further, the first limiting block 1421 is plate-shaped, and the second limiting block 1422 is arc-shaped. In this embodiment, the mounting hole 1411 is in a runway shape, that is, is a long round hole, and when the bracket is mounted, the mounting position of the bracket main body 141 can be adjusted along the length direction of the mounting hole 1411, so that the assembly precision is easily ensured, and the problem of poor matching caused by the assembly of the whole vehicle can be avoided; the reinforcing ribs 1412 can improve the overall strength of the seat restraint bracket 14 and can bear larger acting force.

In other embodiments, the position-limiting portion 142 may be a plate directly, one side of the plate is directly connected to the bracket main body 141, and the other side of the plate abuts against the side surface 1312 of the first position-limiting protrusion 131, but not limited thereto, for example, the position-limiting portion 142 is a cylinder, one end of the cylinder is connected to the bracket main body 141, the other end of the cylinder is provided with an abutting plane and an abutting notch, the abutting notch is located on one side of the abutting plane, the abutting notch is arc-shaped, the abutting plane abuts against the side surface 1312 of the first position-limiting protrusion 131, and the abutting notch abuts against the end surface 1311 of the first position-.

Fig. 7 is a schematic structural diagram of a protection element according to an embodiment of the present invention. As shown in fig. 7, the protection element 15 includes a second avoiding notch 151, a connecting protrusion 152 and a filling protrusion 153, the second avoiding notch 151 is located in the middle of the protection element 15 and extends to the edge of the second avoiding notch, the connecting protrusion 152 and the filling protrusion 153 are located on one side of the protection element 15 close to the side wall rear seat fixing bracket 12, the number of the connecting protrusions 152 is two, but not limited thereto, the number and the shape of the connecting protrusions 152 can be freely selected according to actual conditions, and the filling protrusion 153 is disposed along the edge of the second avoiding notch 151. In the present embodiment, the protection element 15 may be rubber, but is not limited thereto.

Fig. 8 is a schematic sectional view at a-a in fig. 1. As shown in fig. 1 to 8, the seat rotation shaft 13 and the protection element 15 are both located on the first surface 121, the seat rotation shaft 13 is located in the limiting notch 124, the first limiting protrusion 131 is located in the side wall rear seat fixing bracket 12, and the second limiting protrusion 132 is located outside the side wall rear seat fixing bracket 12 and near the limiting notch 124. The second avoiding notch 151 is opposite to the limiting notch 124, the connecting protrusion 152 is arranged in the connecting through hole 127 to fix the protection element 15 on the side wall rear seat fixing bracket 12, and the filling protrusion 153 is arranged in the limiting notch 124. The nut 16 and the seat limiting bracket 14 are both located on the second surface 122, the bolt 126 passes through the mounting hole 1411 on the bracket main body 141, the nut 16 is connected with the bolt 126 in a matching manner to fix the bracket main body 141 on the side wall rear seat fixing bracket 12, an included angle formed by the second limiting block 1422 and the first limiting block 1421 faces the first limiting protrusion 131, the first limiting block 1421 abuts against a side surface 1312 of the first limiting protrusion 131, specifically, the first limiting block 1421 abuts against the supporting protrusion 1314, the second limiting block 1422 abuts against an end surface 1311 of the first limiting protrusion 131, and further, the first limiting block 1421 and the second limiting block 1422 both abut against the protective layer 1313. In this embodiment, the first stopper 1421 abuts against the supporting protrusion 1314, so as to reduce the contact area between the first stopper 1421 and the first stopper protrusion 131, thereby reducing friction and prolonging the service life.

The working principle of the rear seat fixing assembly 10 of the present invention is approximately: the first limiting block 1421 abuts against the supporting protrusion 1314 to provide a limiting point in the "Y" direction for the seat rotating shaft 13 and limit the movement of the seat rotating shaft 13 in the "Y" direction, and the second limiting block 1422 abuts against the end surface 1311 of the first limiting protrusion 131 to provide a limiting point in the "Z" direction for the seat rotating shaft 13 and limit the movement of the seat rotating shaft 13 in the "Z" direction, so that a seat limiting bracket 14 limits two-way limiting in two directions, thereby solving the problem that the rear row seat does not have limiting in the "Y" direction and has limiting failure in the "Z" direction under the dynamic state of the whole vehicle, which causes abnormal sound when the vehicle runs on a twisted road surface; the first limiting block 1421 and the second limiting block 1422 are both in contact with the protective layer 1313, so that direct contact between metal and metal is avoided, noise is reduced, and the problem of abnormal noise when the back row seat backrest is turned over under the static state of the whole vehicle is solved; the first stopper 1421 abuts against the supporting protrusion 1314, i.e., is in bump fit, so that friction of the contact surface is reduced, and the service life is prolonged.

The assembly process of the rear seat anchor assembly 10 of the present invention is generally: the protection element 15 is firstly installed on the side wall rear seat fixing support 12, the connecting protrusion 152 is arranged in the connecting through hole 127, and the filling protrusion 153 is arranged in the limiting notch 124. The seat rotating shaft 13 is installed again, the first limiting protrusion 131 is located in the side wall rear seat fixing support 12, the second limiting protrusion 132 is located outside the side wall rear seat fixing support 12, finally the seat limiting support 14 is installed, the bolt 126 penetrates through the installation hole 1411 of the support main body 141, the nut 16 is screwed, the support main body 141 is fixed, the first limiting block 1421 abuts against the supporting protrusion 1314, and the second limiting block 1422 abuts against the end surface 1311 of the first limiting protrusion 131. The whole assembling process is simple in steps and convenient to operate, the gap between the first limiting block 1421 and the supporting protrusion 1314 can be adjusted through the mounting hole 1411, and the assembling precision is easy to guarantee, so that the assembling efficiency of the final assembly seat is improved.

The utility model discloses a seat limit bracket 14 of back seat fixed subassembly 10 is fixed on side wall back seat fixed bolster 12, and first stopper 1421 supports and leans on supporting bulge 1314, and second stopper 1422 supports and leans on in the terminal surface 1311 of first limit bulge 131, has restricted seat pivot 13 in "Y" direction and the ascending removal of "Z" direction, has solved under the whole car developments back row seat because of there is not spacing in "Y" direction, spacing failure in "Z" direction, the distortion road surface abnormal sound problem that brings; the first limiting block 1421 and the second limiting block 1422 are both in contact with the protective layer 1313, so that direct contact between metal and metal is avoided, and abnormal sound is further reduced; the gap between the seat limiting support 14 and the seat rotating shaft 13 can be adjusted through the mounting hole 1411, the assembling precision is easy to guarantee, and the mounting efficiency of the final assembly seat is improved.

In this document, the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", "vertical", "horizontal", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for the sake of clarity and convenience of description of the technical solutions, and thus, should not be construed as limiting the present invention.

The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.

As used herein, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, including not only those elements listed, but also other elements not expressly listed.

The above description is only for the specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art can easily think of the changes or substitutions within the technical scope of the present invention, and all should be covered within the protection scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims

1. A rear seat fixing component comprises a side wall rear seat fixing support and a seat rotating shaft, wherein the side wall rear seat fixing support comprises a limiting notch, one end of the seat rotating shaft is arranged in the limiting notch, the seat rotating shaft comprises a first limiting bulge and a second limiting bulge, the first limiting bulge is positioned in the side wall rear seat fixing support, the second limiting bulge is positioned outside the side wall rear seat fixing support and close to the limiting notch, it is characterized in that the rear seat fixing component also comprises a seat limiting bracket, the seat limiting bracket comprises a bracket main body and a limiting part, the bracket main body is fixed on the side wall rear seat fixing bracket, the limiting part is connected with the bracket main body, and the limiting part is abutted against the first limiting bulge.

2. The rear seat fixing assembly according to claim 1, wherein the limiting portion includes a first limiting block and a second limiting block, the second limiting block is connected between the first limiting block and the bracket body, an included angle formed between the second limiting block and the first limiting block faces the first limiting protrusion, the first limiting block abuts against one side of the first limiting protrusion, and the second limiting block abuts against the other side of the first limiting protrusion.

3. The rear seat attachment assembly of claim 2 wherein the first limit tab is provided with a protective layer that covers the first limit tab, the first limit tab and the second limit tab each abutting against the protective layer.

4. The rear seat attachment assembly according to claim 3, wherein a support protrusion for reducing a contact area is provided on a side of the first stopper protrusion adjacent to the first stopper, the protective layer covers the support protrusion, and the first stopper abuts against the support protrusion.

5. The rear seat attachment assembly of claim 1 wherein the side wall rear seat attachment bracket further includes a first avoidance notch and a bolt, the first avoidance notch is in communication with the restraint notch, and one end of the bolt is secured to the side wall rear seat attachment bracket and is positioned to one side of the first avoidance notch.

6. The rear seat attachment assembly of claim 5 further comprising a nut for securing the bracket body, wherein the bracket body defines a mounting hole, the bolt extends through the mounting hole, and the nut is cooperatively engaged with the bolt.

7. The rear seat attachment assembly of claim 6 wherein said mounting hole is racetrack shaped.

8. The rear seat attachment assembly of claim 1 further comprising a protective member for protecting the pivot axis of the seat, wherein the protective member is secured to the side wall rear seat attachment bracket, and wherein the protective member includes a second relief notch, the second relief notch being opposite the limit notch.

9. The rear seat fixing assembly according to claim 8, wherein a connecting protrusion and a filling protrusion are provided on a side of the protection element close to the side wall rear seat fixing bracket, the connecting protrusion is close to the filling protrusion, the filling protrusion is disposed along an edge of the second avoiding notch, a connecting through hole is provided on the side wall rear seat fixing bracket, the connecting through hole is close to the limiting notch, the connecting protrusion is disposed in the connecting through hole, and the filling protrusion is disposed in the limiting notch.