CN211969229U - Seat supporting structure - Google Patents

Abstract

The utility model provides a seat bearing structure belongs to the vehicle seat field. The seat support structure for supporting a seat on a vehicle, the seat support structure comprising: the side wall connecting structure is used for connecting one end of the cross beam close to the inner side face and the inner side face; and a diagonal leg structure comprising: at least one diagonal brace, each diagonal brace having a first end and a second end, the first end supported on the bottom surface of the cross member proximate the center of the vehicle, the second end supported on the sloped floor; and a reinforcing structure supported between the diagonal brace and the cross member at a position near the middle of the seat. The utility model discloses a seat bearing structure be convenient for the floor clean, can prevent that the connecting piece from rustting to improve seat installation effectiveness.

Description

Seat supporting structure

Technical Field

The utility model relates to a vehicle seat field especially relates to a seat bearing structure.

Background

The existing public transport seat fixing mode in the passenger car industry is a fixing point on the floor and a fixing point on the side wall. The fixed point on the floor is the spot drilling in workshop, tapping, if need the shift position after the bolt fastening need drill hole, tapping again. And drilling a through hole in a side wall fixing point workshop on site and clamping the nut.

The existing public transport seat fixing mode has the following problems: the working efficiency is low when the fixed points of the seat floor and the side wall need to be matched with a drill on site; the seat legs fall on the floor, so that garbage in the sweeper is inconvenient to mop; the bolt that the seat was fixed to the floor is joined in marriage and is attacked the tooth, and under the very easily moist environment in passenger train floor, the floor fixing bolt of seat used the tooth rust after certain years, and the seat fixed strength descends seriously, leads to the seat to rock the problem easily.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a seat bearing structure convenient to floor is clean.

Another object of the utility model is to prevent that the connecting piece from rustting.

The utility model discloses a further one is aimed at improving seat installation effectiveness.

In particular, the present invention provides a seat support structure for supporting a seat on a vehicle, the vehicle being provided with a sloped floor between the floor and a lateral inner side of the vehicle, the seat comprising a seat body and a seat bottom frame located at the bottom of the seat body, the seat bottom frame comprising a plurality of cross-members extending in the lateral direction of the vehicle, the seat support structure comprising:

the side wall connecting structure is used for connecting one end of the cross beam close to the inner side face and the inner side face; and

a diagonal leg structure comprising:

at least one diagonal brace, each diagonal brace having a first end and a second end, the first end supported on the bottom surface of the cross member proximate the center of the vehicle, the second end supported on the sloped floor; and

and the reinforcing structure is supported between the inclined strut and the cross beam and is positioned close to the middle part of the seat.

Optionally, each of the cross beams is made of C-shaped steel with a downward opening, and the inclined leg structure further includes:

first L type connecting plate, including mutually perpendicular's first diaphragm and first riser, the first riser with the bracing first end welding, first diaphragm through first fastener with crossbeam fixed connection, first fastener is worn to locate in the opening of crossbeam.

Optionally, the oblique leg structure further comprises:

the bottom plate is welded with the second end of the inclined strut;

the inclined plane connecting piece is made by the opening orientation the C shaped steel of bottom plate and with inclined plane floor links firmly and is connected, the inclined plane connecting piece pass through the second fastener with bottom plate fixed connection, the second fastener is worn to locate in the opening of inclined plane connecting piece.

Optionally, a first notch is formed at a preset position on one side of the inclined plane connecting piece, where the opening is formed, and used for placing or taking out the second fastener.

Optionally, the oblique leg structure further comprises:

the layering is made by rigid material, cover in the inclined plane connecting piece be equipped with open-ended one side, the layering towards one side of inclined plane connecting piece is equipped with bellied high spacing muscle group and short spacing muscle group, high spacing muscle group including two with the high spacing muscle of inclined plane connecting piece's opening complex, in order to guarantee the layering with the center coincidence of inclined plane connecting piece, short spacing muscle group includes two piece at least short spacing muscle, each the top of short spacing muscle with the inclined plane connecting piece is equipped with the surface butt of open-ended one side.

Optionally, the diagonal leg structure comprises a plurality of said diagonal braces arranged in alignment in the longitudinal direction of the vehicle, each said diagonal brace being disposed in alignment with each said cross member.

Optionally, the reinforcing structure comprises:

the second L-shaped connecting plate comprises a second transverse plate and a second vertical plate which are perpendicular to each other, the second transverse plate is fixedly connected with the cross beam through a third fastener, and the third fastener penetrates through the opening of the cross beam;

the vertical support extends vertically, and the upper end of the vertical support is fixedly connected with the second L-shaped connecting plate;

and the U-shaped connecting piece extends along the longitudinal direction of the vehicle, and two ends of the U-shaped connecting piece are respectively fixedly connected with the two adjacent inclined struts, and the middle part of the U-shaped connecting piece is connected with the lower ends of the vertical struts.

Optionally, the side gusset connection structure includes:

the third L-shaped connecting plate comprises a third transverse plate and a third vertical plate which are perpendicular to each other, the third transverse plate is fixedly connected with the cross beam through a fourth fastener, and the fourth fastener penetrates through the opening of the cross beam;

the side wall connecting piece is made by the opening orientation C shaped steel of third riser and with medial surface linked firmly, the side wall connecting piece pass through the fifth fastener with third riser fixed connection, the fifth fastener is worn to locate in the opening of side wall connecting piece.

Optionally, a second notch is formed in a preset position on one side of the side wall connecting piece, which is provided with the opening, and used for placing or taking out the fifth fastening piece.

Optionally, the side gusset connection structure further includes:

the U-shaped decorative strip is made of a soft material and covers one side, provided with an opening, of the side wall connecting piece, and faces to two central positioning ribs and two side positioning ribs on one side of the side wall connecting piece;

the two central positioning ribs are matched with the openings of the side wall connecting pieces, and the side surfaces of the two central positioning ribs, back to each other, are respectively provided with a bulge for clamping with the side wall connecting pieces;

and the two side positioning ribs point to the upper side and the lower side of the side wall connecting piece respectively.

The utility model discloses a seat bearing structure includes oblique leg structure and side wall connection structure, and the bracing of oblique leg structure supports in passageway end and the inclined plane floor department of the crossbeam of seat chassis, and the additional strengthening of oblique leg structure supports near the middle part of crossbeam, and side wall connection structure is connected the side wall end and the medial surface of crossbeam, has formed stable triangular form's bearing structure, effectively supports the seat. Because the whole supporting structure does not directly contact the floor of the vehicle, the cleaning in the vehicle can be facilitated, for example, the floor in the vehicle is mopped, and the convenience for cleaning in the vehicle is improved. And the legs of the seat do not fall to the ground, so that the space in the vehicle is visually more spacious.

Furthermore, the inclined strut is made of a round pipe, the round pipe is not wrinkled after being bent, and the appearance is attractive.

Further, the utility model discloses a seat bearing structure has appeared the cooperation form of many places C shaped steel and T type bolt, is similar to the connected mode of spout-slider, has improved seat installation effectiveness. And this kind of connected mode has solved the fixed brill problem of joining in marriage of seat, avoids the workshop to join in marriage brill and tapping, has improved production efficiency. And the screw thread of nut, bolt is stronger than the screw thread antirust ability of tapping mode, is difficult to rust, sets up the position simultaneously and does not on the floor, can avoid moist, further rust-resistant.

Further, the utility model discloses the seat bearing structure behind the additional strengthening can satisfy QC/T964-2014 "city passenger train plastic seat and vehicle mounting's intensity"'s requirement.

The above and other objects, advantages and features of the present invention will become more apparent to those skilled in the art from the following detailed description of specific embodiments thereof, taken in conjunction with the accompanying drawings.

Drawings

Some specific embodiments of the present invention will be described in detail hereinafter, by way of illustration and not by way of limitation, with reference to the accompanying drawings. The same reference numbers in the drawings identify the same or similar elements or components. Those skilled in the art will appreciate that the drawings are not necessarily drawn to scale. In the drawings:

FIG. 1 is a schematic illustration of a portion of a structure within a vehicle according to an embodiment of the present invention;

FIG. 2 is a partial enlarged view at A in FIG. 1;

FIG. 3 is a view according to B in FIG. 2;

FIG. 4 is a partial enlarged view at C in FIG. 1;

FIG. 5 is an enlarged view of a portion of FIG. 1 at D;

FIG. 6 is a partial enlarged view at E in FIG. 1;

figure 7 is a side view of a seat support structure according to another embodiment of the present invention;

FIG. 8 is a partial schematic view of a seat support structure according to one embodiment of the present invention at the location of the U-shaped trim strip and cover;

fig. 9 is a partial schematic view of a seat support structure according to another embodiment of the present invention.

Detailed Description

Fig. 1 is a schematic view of a partial structure in a vehicle according to an embodiment of the present invention. Generally, as shown in fig. 1, a sloping floor 4 is provided between a floor 2 and a lateral inner side 3 of a vehicle, and a seat includes a seat body 1 and a seat bottom frame at the bottom of the seat body 1, the seat bottom frame including a plurality of cross members 200 extending in the lateral direction of the vehicle. Of course, the seat bottom frame may also comprise a plurality of longitudinal beams extending in the longitudinal direction of the vehicle, forming a frame structure with a plurality of cross beams 200.

The present invention provides a seat support structure for supporting a seat, as shown in fig. 1, which in one embodiment includes a side wall connection structure 10 and a diagonal leg structure 20. The side gusset connection structure 10 is for connecting an end of the cross member 200 near the inner side surface 3 (hereinafter, the side gusset end of the cross member 200 will be described) and the inner side surface 3. The legrest structure 20 comprises at least one stay 21 and a reinforcement structure 22. Each brace 21 has a first end supported on the underside of the cross member 200 near the middle of the vehicle (hereinafter described using the aisle end of the cross member 200) and a second end supported at the bevel floor 4. The reinforcing structure 22 is supported between the diagonal brace 21 and the cross member 200 at a position near the middle of the seat.

The seat supporting structure of the embodiment comprises an inclined leg structure 20 and a side wall connecting structure 10, wherein an inclined strut 21 of the inclined leg structure 20 is supported at a crossing end of a cross beam 200 of a seat underframe and an inclined floor 4, a reinforcing structure 22 of the inclined leg structure 20 is supported near the middle part of the cross beam 200, and the side wall connecting structure 10 connects the side wall end of the cross beam 200 with an inner side surface 3, so that a stable triangular supporting structure is formed, and the seat is powerfully supported. Since the entire support structure does not directly contact the floor 2 of the vehicle, it is possible to facilitate the in-vehicle sanitary cleaning, such as mopping the floor 2 in the vehicle, i.e., the convenience of in-vehicle cleaning is improved. And the legs of the seat do not fall to the ground, so that the space in the vehicle is visually more spacious.

Fig. 2 is a partial enlarged view at a in fig. 1. Fig. 3 is a view according to B in fig. 2. In another embodiment, as shown in fig. 2, each cross member 200 is made of C-shaped steel with an opening facing downward, and the slant leg structure 20 further includes a first L-shaped connecting plate 23. The first L-shaped connecting plate 23 includes a first transverse plate and a first vertical plate perpendicular to each other, the first vertical plate is welded to the first end of the inclined strut 21, and the first transverse plate is fixedly connected to the cross beam 200 by a first fastener 101. As shown in fig. 3, the first fastener 101 is inserted into the opening of the cross member 200. Optionally, the first fastener 101 is a mating T-bolt and nut. Alternatively, four sets of third fasteners 103 are used for fastening. The performance requirements can also be met with two sets of third fasteners 103 by CAE analysis.

The connection form of the embodiment enables the first fastener 101 to move along the extending direction of the cross beam 200, that is, when the first fastener 101 is not tightened, the welded together sprag 21 and the first L-shaped connecting plate 23 can slide in the left-right direction of the vehicle relative to the cross beam 200, so that the levelness of the seat is adjusted, and the seat skew due to welding error of the diagonal leg structure 20 is avoided.

Optionally, the inclined strut 21 is made of a round pipe, and the round pipe is not wrinkled after being bent, so that the appearance is attractive. Of course, in other embodiments, other cross-sectional materials may be used, such as square or rectangular tubes, as long as the force is sufficient.

Fig. 4 is a partial enlarged view at C in fig. 1. In another embodiment, as shown in fig. 4, the diagonal leg structure 20 further comprises a base plate 24 and a beveled connector 25. The bottom plate 24 is welded to the second end of the diagonal brace 21. The inclined plane connecting piece 25 is made of C-shaped steel with an opening facing the bottom plate 24 and is fixedly connected with the inclined plane floor 4, the inclined plane connecting piece 25 is fixedly connected with the bottom plate 24 through a second fastening piece 102, and the second fastening piece 102 penetrates through the opening of the inclined plane connecting piece 25. Optionally, the second fastener 102 is a mating T-bolt and nut.

As in the above-described embodiment, the second fastener 102, which is not tightened, is allowed to move in the extending direction of the bevel connection 25, i.e., in the longitudinal direction of the vehicle, by the engagement of the second fastener 102 with the C-section steel.

In a further embodiment, as shown in fig. 4, the tilting leg structure 20 further comprises a pressing strip 26 made of a rigid material, for example, an aluminum profile. The bead 26 covers the side of the inclined surface connector 25 where the opening is provided. The bead 26 functions as a decoration so that the bevel connection 25 is not exposed, so that the bead 26 can be provided with a profile having circular arcs on both sides (see fig. 4). And because the batten 26 is positioned at the position of the inclined floor 4, the possibility of being stepped by passengers is provided, and the selected hard material can play a role in protecting the connecting structure.

In a further embodiment, as shown in fig. 4, the side of the bead 26 facing the bevel connection 25 is provided with a set of high limit ribs 261 and a set of low limit ribs 262 of the protrusion 133. The high limit rib 261 group comprises two high limit ribs 261 matched with the openings of the inclined plane connecting piece 25, so that the center coincidence of the pressing strip 26 and the inclined plane connecting piece 25 is ensured, and the pressing strip 26 can be reliably pressed on the floor leather 42 of the inclined plane floor 4 on two sides of the inclined plane connecting piece 25. The short limiting ribs 262 comprise at least two short limiting ribs 262, the top end of each short limiting rib 262 is abutted to the outer surface of one side of the inclined plane connecting piece 25 with an opening, and the top end of each short limiting rib 262 is used for supporting the suspended part between the pressing strip 26 and the inclined plane connecting piece 25 and avoiding the weight of the seat from being pressed on the pressing strip 26 and then buckling and deforming.

It should be noted that if the high limit rib 261 protrudes 133 from the inner surface of the bevel connection 25, a local removal of material is required where the bead 26 is provided with the second fastening member 102, so that the second fastening member 102 can directly contact the inner surface of the bevel connection 25.

Fig. 7 is a side view of a seat support structure according to another embodiment of the present invention. As shown in FIG. 7, in one embodiment, the side of the beveled connector 25 that is provided with the opening is provided with a first notch 251 at a predetermined location for inserting or removing the second fastener 102.

In another embodiment, as shown in FIG. 7, the seat bottom frame includes two cross members 200 positioned adjacent the front and rear sides of the seat, respectively. The diagonal leg structure 20 includes two diagonal braces 21 arranged in alignment in the longitudinal direction of the vehicle, and each diagonal brace 21 is provided in alignment with each cross member 200. Of course, in other embodiments not shown, the seat bottom frame may include a plurality of cross members 200, and a diagonal brace 21 may be disposed under some or all of the cross members 200.

Fig. 5 is a partial enlarged view at D in fig. 1. In another embodiment, shown in fig. 5, the reinforcing structure 22 includes a second L-shaped connecting plate 221, a vertical brace 222, and a U-shaped connecting member 223. The second L-shaped connecting plate 221 includes a second cross plate and a second vertical plate perpendicular to each other, the second cross plate is fixedly connected to the cross beam 200 by a third fastener 103, and the third fastener 103 is inserted into the opening of the cross beam 200. Optionally, the third fastener 103 is a mating T-bolt and nut. Alternatively, two sets of third fasteners 103 are used for fastening. The vertical support 222 extends vertically, and the upper end thereof is fixedly connected to the second L-shaped connecting plate 221. The U-shaped connecting member 223 extends in the longitudinal direction of the vehicle, and both ends thereof are fixedly connected to the adjacent two diagonal braces 21, respectively, and the middle portion thereof is connected to the lower end of the vertical brace 222.

Likewise, the third fastening member 103, which is not tightened, is allowed to move in the extending direction of the cross member 200, i.e., in the lateral direction of the vehicle, by the engagement of the third fastening member 103 with the C-shaped steel.

Alternatively, the vertical support 222 may be made of one or more rectangular tubes, one or more square tubes, or one or more circular tubes.

Optionally, the inclined strut 21, the first L-shaped connecting plate 23, the second L-shaped connecting plate 221, the U-shaped connecting member 223, the vertical strut 222 and the bottom plate 24 are welded into a whole.

Through CAE analysis, the provision of the reinforcing structure 22 is critical and if not eliminated, the strength of the seat support structure cannot meet the use requirements. Through CAE analysis, the seat supporting structure added with the reinforcing structure 22 can meet the requirements of QC/T964-.

Fig. 6 is a partial enlargement at E in fig. 1. In one embodiment, as shown in fig. 6, the side gusset connection structure 10 includes a third L-shaped connecting plate 11 and a side gusset connection member 12. The third L-shaped connecting plate 11 includes a third cross plate and a third vertical plate perpendicular to each other, the third cross plate is fixedly connected to the cross beam 200 by a fourth fastener 104, and the fourth fastener 104 is inserted into the opening of the cross beam 200. Optionally, four sets of fourth fasteners 104 are used for fastening. Performance requirements may also be met with two sets of fourth fasteners 104 via CAE analysis. The side wall connecting piece 12 is made of C-shaped steel with an opening facing a third vertical plate and is fixedly connected with the inner side surface 3, the side wall connecting piece 12 is fixedly connected with the third vertical plate through a fifth fastener 105, and the fifth fastener 105 penetrates through the opening of the side wall connecting piece 12. Optionally, the fourth fastener 104 and the fifth fastener 105 are mating T-bolts and nuts.

By the same token, the fourth fastener 104 which is not tightened can be moved along the extending direction of the cross beam 200 by the cooperation of the fourth fastener 104 and the C-shaped steel, that is, the third L-shaped plate can be adjusted in position along the lateral direction of the vehicle. The fifth fastening piece 105 which is not screwed down can move along the extending direction of the side wall connecting plate through the matching of the fifth fastening piece 105 and the C-shaped steel, namely, the position can be adjusted along the longitudinal direction of the vehicle.

Since both the fifth fastener 105 and the second fastener 102 are adjustable in the fore-and-aft direction of the vehicle, the fore-and-aft position of the seat can be easily adjusted, thereby adjusting the pitch of the respective seats in the longitudinal direction of the vehicle.

In one embodiment, as shown in fig. 7, the side of the side gusset connection member 12 having the opening is provided with a second notch 121 at a predetermined position for inserting or removing the fifth fastening member 105.

Likewise, the cross member 200 may be provided with similar notches or, in the case where the end faces of the cross member 200 are not closed, the fasteners fitted to the cross member 200 may be taken out through the end faces.

In another embodiment, as shown in fig. 6, the side gusset connection structure 10 further includes a U-shaped trim strip 13 made of a soft material, such as an extrusion molding or a rubber material. The U-shaped trim strip 13 covers the side of the side wall connecting member 12 where the opening is formed, and the two center positioning ribs 131 and the two side positioning ribs 132 are arranged on the side of the U-shaped trim strip 13 facing the side wall connecting member 12. The two center positioning ribs 131 are matched with the openings of the side wall connecting piece 12, and the two center positioning ribs 131 are respectively provided with a bulge 133 on the side faces back to each other for being clamped with the side wall connecting piece 12. The two side positioning ribs 132 are directed toward the upper and lower sides of the side gusset connector 12, respectively.

The center of the U-shaped trim strip 13 can be overlapped with the center of the side wall connecting piece 12 by arranging the center positioning rib 131 and the side positioning rib 132, and the U-shaped trim strip can be reliably pressed on the inner side surfaces 3 on the two sides of the side wall connecting piece 12. The protrusion 133 is provided to reliably fasten the U-shaped trim strip 13 to the side gusset attachment 12.

The self-tapping screw is not needed during installation of the buckle type decorating part, and the assembling efficiency is improved.

It should be noted that if the center positioning rib 131 is higher than the inner surface of the side gusset attachment 12, a partial removal of material is required where the fifth fastener 105 is provided in the U-shaped trim strip 13 so that the fifth fastener 105 can directly contact the inner surface of the side gusset attachment 12.

In addition, it should be noted that the side gusset connection structure 10 may be provided at a position right at the boundary of the inner side face 3, i.e., at the joint of the side wall panel 41 and the floor leather 42, and since the thickness of the side wall panel 41 is generally 4mm and the thickness of the floor leather 42 is generally 2mm, the heights are different from each other. In one embodiment, the edges of the U-shaped trim strip 13 are provided with a composite soft edge structure, which can adapt to different thicknesses of the inner side 3, so that the U-shaped trim strip 13 is reliably pressed on the side wall plate 41 and the floor leather 42.

Fig. 8 is a partial schematic view of a seat support structure according to one embodiment of the present invention at the location of the U-shaped trim strip 13 and the cover 134. As shown in fig. 8, optionally, both ends of the U-shaped trim strip 13 are provided with a sealing cover 134, and the sealing cover 134 shields irregular sections and gaps at both ends of the U-shaped trim strip 13 and the side wall connecting member 12, so that the interior decoration is more attractive.

Fig. 9 is a partial schematic view of a seat support structure according to another embodiment of the present invention. As shown in fig. 9, the outer surface of the side gusset connecting member 12 having the opening is flush with the surface of the third L-shaped connecting plate 11, so that the U-shaped trim 13 is not required.

Likewise, the outer surface of the side of the bevel connection 25 provided with the opening is flush with the surface of the bevel floor 4, so that the trim strip 26 is not required.

The utility model discloses a seat bearing structure has appeared the cooperation form of many places C shaped steel and T type bolt, is similar to the connected mode of spout-slider, has improved seat installation effectiveness. And this kind of connected mode has solved the fixed brill problem of joining in marriage of seat, avoids the workshop to join in marriage brill and tapping, has improved production efficiency. And the screw thread of nut, bolt is stronger than the screw thread antirust ability of tapping mode, is difficult to rust, sets up the position simultaneously and does not on floor 2, can avoid moist, further rust-resistant.

Thus, it should be appreciated by those skilled in the art that while a number of exemplary embodiments of the invention have been shown and described in detail herein, many other variations and modifications can be made, consistent with the principles of the invention, which are directly determined or derived from the disclosure herein, without departing from the spirit and scope of the invention. Accordingly, the scope of the present invention should be understood and interpreted to cover all such other variations or modifications.

Claims (10)

1. A seat support structure for supporting a seat on a vehicle with a bevel floor provided between a floor and a lateral inner side of the vehicle, the seat including a seat body and a seat bottom frame positioned at a bottom of the seat body, the seat bottom frame including a plurality of cross members extending in a lateral direction of the vehicle, the seat support structure comprising:

the side wall connecting structure is used for connecting one end of the cross beam close to the inner side face and the inner side face; and

a diagonal leg structure comprising:

at least one diagonal brace, each diagonal brace having a first end and a second end, the first end supported on the bottom surface of the cross member proximate the center of the vehicle, the second end supported on the sloped floor; and

and the reinforcing structure is supported between the inclined strut and the cross beam and is positioned close to the middle part of the seat.

2. The seat support structure of claim 1, wherein each of the cross members is formed of a downwardly opening C-shaped steel, and wherein the diagonal leg structure further comprises:

first L type connecting plate, including mutually perpendicular's first diaphragm and first riser, the first riser with the bracing first end welding, first diaphragm through first fastener with crossbeam fixed connection, first fastener is worn to locate in the opening of crossbeam.

3. The seat support structure of claim 2, wherein the diagonal leg structure further comprises:

the bottom plate is welded with the second end of the inclined strut;

the inclined plane connecting piece is made by the opening orientation the C shaped steel of bottom plate and with inclined plane floor links firmly and is connected, the inclined plane connecting piece pass through the second fastener with bottom plate fixed connection, the second fastener is worn to locate in the opening of inclined plane connecting piece.

4. The seat support structure according to claim 3,

and a first notch is formed in the preset position on one side, provided with an opening, of the inclined plane connecting piece and used for placing or taking out the second fastening piece.

5. The seat support structure of claim 3, wherein the diagonal leg structure further comprises:

the layering is made by rigid material, cover in the inclined plane connecting piece be equipped with open-ended one side, the layering towards one side of inclined plane connecting piece is equipped with bellied high spacing muscle group and short spacing muscle group, high spacing muscle group including two with the high spacing muscle of inclined plane connecting piece's opening complex, in order to guarantee the layering with the center coincidence of inclined plane connecting piece, short spacing muscle group includes two piece at least short spacing muscle, each the top of short spacing muscle with the inclined plane connecting piece is equipped with the surface butt of open-ended one side.

6. The seat support structure according to any one of claims 2 to 5,

the diagonal leg structure includes a plurality of the diagonal braces arranged in alignment in a longitudinal direction of the vehicle, each of the diagonal braces being provided in alignment with each of the cross members.

7. The seat support structure according to claim 6, wherein the reinforcement structure comprises:

the second L-shaped connecting plate comprises a second transverse plate and a second vertical plate which are perpendicular to each other, the second transverse plate is fixedly connected with the cross beam through a third fastener, and the third fastener penetrates through the opening of the cross beam;

the vertical support extends vertically, and the upper end of the vertical support is fixedly connected with the second L-shaped connecting plate;

and the U-shaped connecting piece extends along the longitudinal direction of the vehicle, and two ends of the U-shaped connecting piece are respectively fixedly connected with the two adjacent inclined struts, and the middle part of the U-shaped connecting piece is connected with the lower ends of the vertical struts.

8. The seat support structure according to any one of claims 2-5, wherein the side gusset connection structure comprises:

the third L-shaped connecting plate comprises a third transverse plate and a third vertical plate which are perpendicular to each other, the third transverse plate is fixedly connected with the cross beam through a fourth fastener, and the fourth fastener penetrates through the opening of the cross beam;

the side wall connecting piece is made by the opening orientation C shaped steel of third riser and with medial surface linked firmly, the side wall connecting piece pass through the fifth fastener with third riser fixed connection, the fifth fastener is worn to locate in the opening of side wall connecting piece.

9. The seat support structure according to claim 8,

and a second notch is formed in the position of a preset position on one side, provided with an opening, of the side wall connecting piece and used for placing or taking out the fifth fastening piece.

10. The seat support structure according to claim 8, wherein the side gusset connection structure further comprises:

the U-shaped decorative strip is made of a soft material and covers one side, provided with an opening, of the side wall connecting piece, and faces to two central positioning ribs and two side positioning ribs on one side of the side wall connecting piece;

the two central positioning ribs are matched with the openings of the side wall connecting pieces, and the side surfaces of the two central positioning ribs, back to each other, are respectively provided with a bulge for clamping with the side wall connecting pieces;

and the two side positioning ribs point to the upper side and the lower side of the side wall connecting piece respectively.

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