Automobile seat mounting structure

Abstract

The utility model relates to an automobile seat, in particular to an automobile seat mounting structure, and belongs to the technical field of automobile part equipment. The structure comprises a seat framework, a mounting frame, a vehicle floor and a lower beam of the vehicle floor, the lower portion of the mounting frame is connected with the vehicle floor through bolts, the seat framework is mounted on the upper portion of the mounting frame, the section of the mounting frame is n-shaped, and a narrow hollow platform, a left turning plate and a right turning plate are arranged on the two sides of the mounting frame in a protruding mode. Fixing and reinforcing mechanisms are additionally connected to the ends of two bolts, correspondingly connected with the vehicle floor, of the left turning plate and the right turning plate of the mounting frame, the fixing and reinforcing mechanisms are fixedly connected with the cross beam, and a seat framework is mounted on the mounting frame through a narrow hollow platform. The automobile seat mounting structure is high enough in strength and small in deformation, and the strain is smaller than the allowable strain of materials; the use is reliable, the installation convenience and the practicability are obviously reflected, and meanwhile, the service life of the seat is also prolonged.

Description

TECHNICAL FIELD

[0001] The utility model relates to an automobile seat, specifically an automobile seat mounting structure, and belongs to the technical field of automobile parts and equipment. BACKGROUND

[0002] With the rapid development of automobile technology, the state pays more and more attention to automobile safety while focusing on the progress of automobile technology. GB13057 clearly defines the minimum strength standard that automobile seats need to achieve. In recent years, the standard has been updated, and the strength standard for automobile seats has gradually increased. The latest highest requirement for automobile seats is that when the seat is subjected to a horizontal forward pulling force of 16500N at a position 750mm above the reference plane, the seat is firmly connected to the vehicle floor, and the seat is not pulled off. Therefore, it is essential to improve the strength of the seat mounting structure and the strength of the seat frame and the vehicle floor fixing structure.

[0003] According to the applicant's understanding, most of the existing seat and vehicle floor mounting structures use open beam structure type, which is insufficient in strength, and is directly welded with the vehicle floor iron sheet without being connected to the cross beam below the vehicle floor, resulting in a less firm connection and failing to meet the requirements of the latest revised GB13057 for automobile seats, and therefore cannot be used. Therefore, there is an urgent need to develop an installation structure that can overcome the shortcomings of the prior art to meet market needs. SUMMARY

[0004] The utility model aims at: in view of the above prior art problem, propose a kind of automobile seat mounting structure that is simple, stable and reliable, and higher lightweight degree, so that moment of inertia and bending section modulus are greater, and the ability to resist deformation is stronger.

[0005] To achieve the above purpose, the utility model provides an automobile seat mounting structure, characterized by comprising a seat frame, a mounting bracket, a vehicle floor and a lower cross beam thereof. The lower part of the mounting bracket is connected to the vehicle floor by bolts. The upper part of the mounting bracket is installed with the seat frame. The cross section of the mounting bracket is in the shape of "J", with a narrow hollow platform in the center and left and right flaps on both sides. A connecting and fixing reinforcing mechanism is added to the end of the two bolts corresponding to the vehicle floor on the left and right flaps of the mounting bracket. The reinforcing mechanism is also fixed to the cross beam. The mounting bracket is installed with the seat frame through the narrow hollow platform.

[0006] Further, a reinforcing bracket is added inside the mounting bracket. The reinforcing bracket includes a "C" shaped bracket and a horizontal sealing plate. The middle part of the "C" shaped bracket is attached to the inner wall of the narrow hollow platform. The two ends of the "C" shaped bracket are vertically inward corresponding to left and right support plates. The horizontal sealing plate is attached to the left and right flaps and the left and right support plates of the mounting bracket, and at the same time, the bottom of the narrow hollow platform is closed.

[0007] Further, the automobile seat mounting structure comprises a seat frame mounting structure, which mainly contains a seat frame, a mounting rack, a hexagonal head bolt, and a nut of the hexagonal head bolt, and the height of the hollow platform in the mounting rack is greater than the length of the hexagonal head bolt rod; the nut of the hexagonal head bolt is first fixed on the inner wall of the center of the "C" shaped support, then the horizontal sealing plate is pasted to connect the left and right flaps and the left and right inner support plates of the mounting rack, and the bottom of the hollow platform is closed, then the seat frame is fixed on the center of the hollow platform through the hexagonal bolt and the nut of the hexagonal head bolt, and at least one seat position is provided on the mounting rack.

[0008] Further, the automobile seat mounting structure further comprises a fixed reinforcing mechanism mounting structure, which contains a fixed rack, a cross beam, two flange bolts, two nuts of the two flange bolts, and two bushings, the cross section of the fixed rack is "J" shaped, the center is protruded with a wide hollow platform, and the left and right flaps are provided on both sides, and the width of the wide hollow platform is greater than the longitudinal section width of the mounting rack; the nuts of the two flange bolts are first fixed on the left and right inner walls of the wide hollow platform, then the left and right flaps of the fixed rack are respectively fixed with the cross beam, and the space between the wide hollow platform and the floor of the vehicle is ensured; the left and right flaps of the mounting rack are respectively connected with the floor of the vehicle through the flange bolts, and the lower ends of the left and right flange bolts are respectively connected with the fixed rack of the cross beam, and are locked through the nuts of the flange bolts, wherein the bushings are installed on the surfaces of the left and right flange bolts through the space; finally, the left and right sides of the automobile seat mounting structure are in a stepped shape.

[0009] Further, the mounting rack is roll-formed, and the mounting rack has at least one seat position or a long overall seat position, which meets the requirements of different automobile seats.

[0010] Further, the mounting rack and the fixed rack are respectively left and right symmetrical with respect to the centers, and the fixed rack follows the length of the mounting rack.

[0011] Further, the mounting rack is a high yield strength hot-rolled steel plate material, and the fixed rack is a cold-formed hot-rolled pickled steel material, and the thickness of the mounting rack and the fixed rack is 2 mm.

[0012] The utility model discloses an automobile seat mounting structure, the two sections of installation frame, fixed frame adopt symmetrical " several " shape support section bar design, and the connection with car floor and car floor crossbeam is firm, and the seat framework is not pulled off, and is more stable, and through the splicing of different lengths, the installation demand of different seat positions and different car body length is satisfied, and the automobile seat mounting structure is firm in the connection of seat framework and car floor, and the seat is not pulled off when single automobile seat is subjected to the horizontal tension of 16500N forward above the reference plane 750mm, obviously, the structural strength is better, and the deformation is smaller, and the cross section area is smaller, and the moment of inertia and the bending section coefficient are larger, and the lightweight degree is higher and the ability of resisting deformation is stronger. BRIEF DESCRIPTION OF DRAWINGS

[0013] The utility model will be further explained in connection with the drawings.

[0014] Figure 1 It is the installation frame structure schematic diagram of the utility model.

[0015] Figure 2 It is the installation structure schematic diagram of the utility model.

[0016] Among them: a-seat framework, b-car floor, c-crossbeam, X-hexagonal head bolt, X'-the nut of hexagonal head bolt, Y-flange bolt, Y'-the nut of flange bolt, Z-bushing, 1-installation frame, 11-narrow hollow platform, 110-" C " shape support, 111-horizontal sealing plate, 112-left support plate or right support plate, 113-the inner chamber of narrow hollow platform, 12-installation frame left flap or installation frame right flap, 2-fixed frame, 21-wide hollow platform, 22-fixed frame left flap or fixed frame right flap. DETAILED DESCRIPTION

[0017] The utility model discloses an automobile seat mounting structure, as shown in Figure 1 — Figure 2 The seat framework a, installation frame 1, car floor b and lower crossbeam c, the lower part of installation frame 1 is connected with car floor b through bolt, the upper part of installation frame 1 installs seat framework a, and the section of installation frame 1 is " several " shape, and the center is projected a narrow hollow platform 11, and two left flaps 12 and right flaps 12, respectively, installation frame left flap 12, installation frame right flap 12 are connected with the both bolt end parts of car floor b corresponding connection and increase the connecting fixed reinforcing mechanism, and the reinforcing mechanism is fixed with crossbeam c simultaneously, and installation frame 1 installs seat framework a through narrow hollow platform 11.

[0018] In the embodiment, and in connection with Figure 1: The inside of the mounting frame 1 is added with a reinforcing frame, the reinforcing frame 1 comprises a "C" shaped support 110 and a horizontal sealing plate 111, the middle part of the "C" shaped support 110 is pasted to the inner wall of the narrow hollow platform 11, the two ends of the "C" shaped support 110 are vertically inward corresponding to the left support plate 112 and the right support plate 112, the horizontal sealing plate 111 is pasted to the left turning plate 12 of the mounting frame, the right turning plate 12 of the mounting frame, the left support plate 112 and the right support plate 112, and at the same time makes the bottom of the narrow hollow platform 11 closed, the reinforcing frame 1 can enhance the stability, and more avoid the mounting frame 1 from shaking in the lengthened state.

[0019] In combination Figure 2 : The automobile seat mounting structure comprises a seat framework mounting structure, which mainly comprises a seat framework a, a mounting frame 1, one hexagonal head bolt X and the nut X' of the hexagonal head bolt X, and the inner cavity height of the narrow hollow platform 11 of the mounting frame 1 is greater than the length of the hexagonal head bolt rod; first, the nut X' of the hexagonal head bolt X is fixed on the inner wall of the center of the "C" shaped support 110, then the horizontal sealing plate 13 is pasted to the left turning plate 12 of the mounting frame, the right turning plate 12 of the mounting frame, the left support plate 112 and the right support plate 112 at the same time makes the bottom of the narrow hollow platform 11 closed, then the seat framework a is fixed and connected to the center of the narrow hollow platform through the hexagonal bolt X and the nut X' of the hexagonal head bolt, and at least one seat position is arranged on the mounting frame.

[0020] Further, in combination Figure 2 : The automobile seat mounting structure further comprises a fixed reinforcing mechanism mounting structure, the fixed reinforcing mechanism mounting structure comprises a fixed frame 2, a cross beam c, two flange bolts Y, two nuts Y' of the two flange bolts Y and two bushings Z, the cross section of the fixed frame 2 is "J" shaped, the center of which is protruded with a wide hollow platform 21, and the left and right turning plates on both sides, and the width of the wide hollow platform 21 is greater than the longitudinal section width of the mounting frame 1; first, the nuts Y' of the two flange bolts Y are fixed on the left and right inner walls of the wide hollow platform 21, then the left turning plate 22 of the fixed frame and the right turning plate 22 of the fixed frame are fixed and connected with the cross beam c respectively, and the distance between the wide hollow platform 21 and the car floor b is ensured; the left turning plate of the mounting frame and the right turning plate of the mounting frame are connected with the car floor b through the flange bolts Y respectively, at the same time, the lower ends of the left and right flange bolts are connected with the fixed frame 2 of the cross beam c which has been fixed and connected respectively, and are locked through the nuts Y' of the flange bolts Y, wherein the bushings Z are installed on the surfaces of the left flange bolt Y and the right flange bolt Y through the above-mentioned distance, which effectively prevent the deformation of the car floor b after being fixed; finally, the left and right sides of the automobile seat mounting structure are in a stepped shape, which is obviously high in strength and small in deformation, and fully reflects the stability. Finally, there is at least one seat position or a long strip overall seat position on the mounting frame 1, and the seat position will be relatively stable in any case, the fixed frame 2 follows the length of the mounting frame 1, and the mounting frame 1 and the fixed frame 2 are left and right symmetrical respectively with each center.

[0021] In the above embodiment: further requirements: mounting frame 1 is preferably high yield strength hot-rolled steel plate material, mounting frame 1 surface quality is good, size accuracy is high, mounting frame 1 thickness is 2mm, can satisfy vehicle light weight requirement, in addition mounting frame 1 adopts roll forming, adopts welding splice adds various lengths, satisfies different automobile seat chair requirement. Fixed frame 2 is preferably cold-formed hot-rolled pickled steel material, the mechanical properties and stability of such fixed frame 2 are improved due to cold-formed hot-rolled pickled steel, and the thickness of fixed frame 2 is also 2mm, which can satisfy the light weight requirement of the vehicle.

[0022] In the automobile seat mounting structure, the mounting frame 1 is high yield strength hot-rolled steel plate, the lower part has a horizontal sealing plate, and the seat frame a fixing area also has a "C" shaped support bracket 110, a horizontal sealing plate 111 and other reinforcing plates; in addition, the mounting frame 1 is provided with a fixed frame 2 connected with the cross beam c on both sides to further strengthen the fixation, so that the single automobile seat is fixed on the reference plane above 750mm, and the horizontal forward 16500N pulling force is connected with the floor b of the seat frame a, and the seat frame a is not pulled off, which better protects the safety of the passengers in the vehicle.

[0023] In summary, the automobile seat mounting structure has high strength and small deformation, and the strain is less than the allowable strain of the material; and it is reliable to use, and obviously reflects the convenience and practicability of installation, and also improves the service life of the seat.

[0024] In addition to the above embodiment, the utility model can also have other implementation manners. Any technical scheme formed by equivalent replacement or equivalent transformation falls within the protection scope required by the utility model.

Claims

1. A car seat mounting structure, characterized in that: It includes a seat frame, a mounting bracket, a vehicle floor and its lower cross beam. The lower part of the mounting bracket is connected to the vehicle floor by bolts. The upper part of the mounting bracket mounts the seat frame. The cross section of the mounting bracket is in a "C" shape, with a narrow hollow platform protruding in the center and left and right flaps on both sides. Fixed strengthening mechanisms are added to the ends of the two bolts corresponding to the left and right flaps of the mounting bracket respectively connected to the vehicle floor. The fixed strengthening mechanisms are also fixedly connected to the cross beam. The seat frame is mounted on the mounting bracket through the narrow hollow platform.

2. The automotive seat mounting structure according to claim 1, characterized in that: A strengthening frame is added inside the mounting bracket. The strengthening frame includes a "C" shaped bracket and a horizontal sealing plate. The middle part of the "C" shaped bracket is attached to the inner wall of the narrow hollow platform. The two ends of the "C" shaped bracket are vertically inward corresponding to form left and right support plates. The horizontal sealing plate is attached to the left and right flaps and the left and right support plates of the mounting bracket and at the same time closes the bottom of the narrow hollow platform.

3. The automotive seat mounting structure according to claim 2, characterized in that: The vehicle seat mounting structure includes a seat frame mounting structure, which mainly includes a seat frame, a mounting bracket, a hexagonal head bolt and a nut of the hexagonal head bolt. And the inner cavity height of the narrow hollow platform of the mounting bracket is greater than the length of the hexagonal head bolt rod. First, fix the nut of the hexagonal head bolt on the inner wall of the center of the "C" shaped bracket. Then, the horizontal sealing plate is attached to the left and right flaps and the left and right inner support plates of the mounting bracket and at the same time closes the bottom of the narrow hollow platform. Then, the seat frame is fixedly connected to the center of the narrow hollow platform through the hexagonal bolt and the nut of the hexagonal head bolt, and there is at least one seat position on the mounting bracket.

4. The automotive seat mounting structure according to claim 1, characterized in that: The vehicle seat mounting structure also includes a fixed strengthening mechanism mounting structure. The fixed strengthening mechanism mounting structure includes a fixing frame, a cross beam, two flange bolts, two nuts of the two flange bolts and two bushings. The cross section of the fixing frame is in a "C" shape, with a wide hollow platform protruding in the center and left and right flaps on both sides. And the width of the wide hollow platform is greater than the width of the longitudinal section of the mounting bracket. First, fix the nuts of the two flange bolts on the left and right inner walls of the wide hollow platform respectively. Then, connect the left and right flaps of the fixing frame to the cross beam respectively, and ensure that there is a spacing between the wide hollow platform and the vehicle floor. When the left and right flaps of the mounting bracket are respectively connected to the vehicle floor through flange bolts, the lower ends of the left and right flange bolts are respectively connected to the fixing frame fixedly connected to the cross beam, and at the same time are locked by the nuts of the flange bolts. Among them, bushings are correspondingly installed on the surfaces of the left and right flange bolts passing through the spacing. Finally, the left and right sides of the vehicle seat mounting structure are in a stepped shape.

5. The automotive seat mounting structure according to claim 4, characterized in that: The mounting bracket is formed by roll forming. There is at least one seat position or a long strip integral seat position on the mounting bracket to meet the requirements of different vehicle seats.

6. The automotive seat mounting structure according to claim 5, characterized in that: The mounting bracket and the fixing frame are respectively left and right symmetric with their respective centers, and the fixing frame follows the length of the mounting bracket.

7. The automotive seat mounting structure according to claim 4, characterized in that: The mounting bracket is made of high yield strength hot rolled steel plate material, and the fixing frame material is cold formed hot rolled pickled steel material. The thicknesses of both the mounting bracket and the fixing frame are 2mm.

Images