CN204488588U - Rear seat of passenger car skeleton - Google Patents

Abstract

The utility model discloses a kind of rear seat of passenger car skeleton, the problem that the utility model solves " meeting under GB15083-2006 " test method of luggage displacement occupant restraint device " laws and regulations requirement, ensureing that the existing enough shock resistances of back seat can realize light-weight design again ".It is made up of No. 1 cushion frame and No. 2 cushion frames; No. 1 cushion frame is made up of No. 1 rectangular shaped rim and No. 1 skeleton back board module, and No. 1 skeleton back board module is positioned among No. 1 rectangular shaped rim, and No. 1 rectangular shaped rim is connected with between No. 1 skeleton back board module; No. 1 cushion frame is equal with the length of No. 2 cushion frames, and width is less than the width of No. 2 cushion frames.No. 1 cushion frame and No. 2 cushion frames adopt bolt to be arranged on No. 1 Di cutting with scissors (47), cut with scissors (50) and No. 2 Di cut with scissors for being fixedly connected with on (53) medially on manned vehicle abreast, and the horizontal throw between No. 1 cushion frame and No. 2 cushion frames is 32mm.

Description

Rear seat of passenger car skeleton

Technical field

The utility model relates to a kind of cushion frame of technical field of automobile components, and or rather, the utility model relates to a kind of rear seat of passenger car skeleton.

Background technology

The design of rear seat of passenger car skeleton not only concerns the travelling comfort of occupant, and is closely connected with the crash survivability of car load.In time colliding generation, the energy of collision can be undertaken dissipating and absorbing by actv. Path of Force Transfer and rational fracture position by rational armchair structure design, thus injury occupant be subject to drops to minimum.

Therefore, the safety how improving rear seat of passenger car skeleton becomes the focus of each large Automobile Enterprises research in the last few years gradually, along with various countries also increase year by year to the concern of automobile chair frame Dent resistance, China also releases the central collision payload security (deflection and failure mode) of GB15083-2006 " test method of luggage displacement occupant restraint device " regulation to automobile rear seat and specifies.But some enterprises, in order to significantly improve the impact resistance of cushion frame, increase considerably seat-weight, not only cause significantly improving of productive costs, and cause a large amount of discharges of vehicle exhaust, bring serious problem of environmental pollution.Therefore, under the prerequisite that satisfy regulatory requires, ensure and carry out light-weight design while improving armchair structure shock resistance just to seem particularly important.

Summary of the invention

Technical problem to be solved in the utility model is " meeting under GB15083-2006 " test method of luggage displacement occupant restraint device " laws and regulations requirement; ensure that the existing enough shock resistances of back seat can realize light-weight design again " this problem, provides a kind of rear seat of passenger car skeleton.

For solving the problems of the technologies described above, the utility model adopts following technical scheme to realize: described rear seat of passenger car skeleton is made up of No. 1 cushion frame and No. 2 cushion frames.No. 1 cushion frame and No. 2 cushion frames adopt bolt to be arranged on abreast for being fixedly connected with on No. 1 Di cutting with scissors, cut with scissors medially and No. 2 Di cutting with scissors on manned vehicle, and between No. 1 cushion frame and No. 2 cushion frames, horizontal throw is 32mm.

Described in technical scheme No. 1 cushion frame is made up of No. 1 rectangular shaped rim and No. 1 skeleton back board module, and No. 1 skeleton back board module is positioned among No. 1 rectangular shaped rim, and No. 1 rectangular shaped rim is connected with between No. 1 skeleton back board module; No. 1 cushion frame is equal with the length of No. 2 cushion frames, and the width of No. 1 cushion frame is less than the width of No. 2 cushion frames.

Described in technical scheme No. 1 rectangular shaped rim and No. 2 rectangular shaped rim are all arranged to uniform cross section housing structure part.No. 1 rectangular shaped rim ecto-entad is disposed with No. 3 vertical edge frame of No. 1 horizontal frame of rectangle, No. 1 vertical edge frame of rectangle, No. 2 horizontal frames of rectangle, No. 2 vertical edge frame of rectangle, No. 3 horizontal frames of rectangle and rectangle.No. 1 horizontal frame and No. 3 horizontal frames are positioned at the outer both sides of No. 2 horizontal frames, No. 1 horizontal frame and No. 3 horizontal frame parallel co-planar, No. 1 horizontal frame with No. 3 horizontal frames with parallel with No. 2 horizontal frames, No. 1 vertical edge frame, No. 2 vertical edge frame and No. 3 vertical edge frame are parallel to each other, No. 1 vertical edge frame and No. 2 vertical edge frame are positioned at No. 2 horizontal frame (outer both sides, and being in the following of No. 2 horizontal frames together, No. 3 vertical edge frame are positioned at the following of No. 3 horizontal frame the inners, No. 1 horizontal frame is inner to be connected with one end of No. 1 vertical edge frame and to be vertical connection, the other end of No. 1 vertical edge frame is connected with the outer end of No. 2 horizontal frames and is vertical connection, the inner of No. 2 horizontal frames is connected with one end of No. 2 vertical edge frame and is vertical connection, the other end of No. 2 vertical edge frame is connected with the outer end of No. 3 horizontal frames and is vertical connection, the inner of No. 3 horizontal frames is connected with one end of No. 3 vertical edge frame and is vertical connection, the other end of No. 3 vertical edge frame is connected with No. 1 skeleton backboard periphery and is vertical connection.

The middle of the top frame of described in technical scheme No. 1 rectangular shaped rim is provided with No. 1 backrest lock module.No. 1 described backrest lock module is the housing structure part of hollow tetragonous cone table shape, the large upper end, bottom of No. 1 backrest lock module is little, top frame in the frustum of a pyramid two side of the Width of No. 1 backrest lock module and No. 1 rectangular shaped rim intersects and is connected, the frustum of a pyramid madial wall of the length direction of No. 1 backrest lock module is crossing with No. 1 skeleton backboard and be connected, the lateral wall of No. 1 backrest lock module is a part for No. 1 vertical edge frame, namely parallel with No. 1 skeleton backboard table top middle in No. 1 backrest lock module thickness direction arranges No. 1 mounting hole of the identical arrangement handle of two structures.

The lower right-hand corner of described in technical scheme No. 1 rectangular shaped rim is provided with No. 1 and installs otic placode.Described No. 1 is installed otic placode is a leg-of-mutton housing structure part, installs otic placode for No. 1 and is made up of triangle flat plate and reinforced rib expanded metals.Triangle flat plate small end is arranged to semicircular plate, semicircular plate center is provided with installation through hole, namely the large end of triangle flat plate is installed on the right side of through hole and is provided with reinforced rib expanded metals, reinforced rib expanded metals is made up of 4 horizontal gussets and 3 vertical gussets, article 4, horizontal gusset and 3 vertical gussets mutually arranged in a crossed manner on triangle flat plate same side, reinforced rib expanded metals is vertical with triangle flat plate, adopts welding manner to be fixedly connected with between the two.The right side of large end of No. 1 installation otic placode and the inboard face of triangle flat plate are arranged in the outside of No. 1 horizontal frame in No. 1 rectangular shaped rim lower left corner, and be vertically connected as a body with it, No. 1 of No. 1 rectangular shaped rim length direction install to be provided with muscle on No. 1 between otic placode and No. 1 rectangular shaped rim, muscle and No. 1 lower muscle in No. 1; The lower right corner place of No. 1 rectangular shaped rim is provided with lower right corner mounting hole.

Described in technical scheme a No. 1 skeleton back board module comprises No. 1 skeleton backboard and No. 1 reinforced rib.No. 1 described reinforced rib refers to No. 1 upper end horizontal bar, horizontal bar in the middle of No. 1, No. 1 bottom horizontal bar, 1 extra skew back muscle, diagonal bar in the middle of No. 1, No. 1 inner side diagonal bar, No. 1 right outside skew back muscle, No. 1 right diagonal bar, No. 1 Right Inboard diagonal bar, No. 1 cross reinforcing rib, cross reinforcing rib and No. 1 right cross reinforcing rib in No. 1.No. 1 skeleton backboard arranges reinforced rib i.e. No. 1 upper end horizontal bar, No. 1 middle horizontal bar and No. 1 bottom horizontal bar of three transverse directions, No. 1 upper end horizontal bar, No. 1 middle horizontal bar and No. 1 bottom horizontal bar are parallel to each other, and No. 1 upper end horizontal bar, No. 1 middle horizontal bar are crossing with No. respectively with 1, the two ends rectangular shaped rim of No. 1 bottom horizontal bar; 1 extra skew back muscle, diagonal bar and No. 1 inner side diagonal bar and No. 1 right outside skew back muscle in the middle of No. 1, No. 1 right between diagonal bar and No. 1 Right Inboard diagonal bar be arranged on the left and right sides of No. 1 skeleton backboard symmetrically; 1 extra skew back muscle, No. 1 middle diagonal bar and No. 1 inner side diagonal bar are parallel to each other, and No. 1 right outside skew back muscle, No. 1 right diagonal bar and No. 1 Right Inboard diagonal bar are parallel to each other; In the middle of No. 1 upper end horizontal bar and No. 1 between horizontal bar, and in the middle of 1 extra skew back muscle and No. 1, between diagonal bar, No. 1 cross reinforcing rib is set, in the middle of No. 1 upper end horizontal bar and No. 1 between horizontal bar, and in the middle of No. 1 diagonal bar and No. 1 right between cross reinforcing rib in No. 1 is set between diagonal bar, in the middle of No. 1 upper end horizontal bar and No. 1 between horizontal bar, and No. 1 right outside skew back muscle and No. 1 right between No. 1 right cross reinforcing rib is set between diagonal bar.

Described in technical scheme No. 1 skeleton backboard arranges localised reinforced areas, it adds strength is a rectangular area, rectangle upper end is 127mm apart from No. 1 skeleton backboard upper end, and development length is that 90mm place obtains this lower end, rectangular area downwards, width is identical with the width of No. 1 skeleton backboard, and its thickness is set to 12mm, all the other skeleton thickness are all set to 7mm.

Described in technical scheme No. 2 cushion frame is made up of No. 2 rectangular shaped rim and No. 2 skeleton back board modules, and No. 2 skeleton back board modules are positioned among No. 2 rectangular shaped rim, and No. 2 rectangular shaped rim are connected with between No. 2 skeleton back board modules.The lower right corner of No. 2 rectangular shaped rim arranges that No. 2 are installed otic placode, it is mirror image part that No. 2 No. 1 of installing in otic placodes and No. 1 cushion frame install otic placode, installs and to be provided with muscle on No. 2 between otic placode and No. 2 rectangular shaped rim, muscle and No. 2 lower muscle in No. 2 at the length direction of No. 2 rectangular shaped rim and No. 2 of Width; The lower right-hand corner of No. 2 rectangular shaped rim is provided with lower left corner mounting hole, and the scantling of structure of lower left corner mounting hole is all identical with position dimension with the scantling of structure of the lower right corner mounting hole in No. 1 cushion frame with position dimension.

The middle of the top frame in No. 2 rectangular shaped rim of described in technical scheme is provided with No. 2 backrest lock modules, No. 2 described backrest lock modules are the housing structure part of hollow tetragonous cone table shape, the large upper end, bottom of No. 2 backrest lock modules is little, top frame in the frustum of a pyramid two side of the Width of No. 2 backrest lock modules and No. 2 rectangular shaped rim intersects and is connected, the frustum of a pyramid madial wall of the length direction of No. 2 backrest lock modules is crossing with No. 2 skeleton backboards and be connected, the lateral wall of No. 2 backrest lock modules is a part for No. 4 rectangular shaped rim, namely parallel with No. 2 skeleton backboards table top middle in No. 2 backrest lock module thickness directions arranges No. 2 mounting holes of the identical arrangement handle of two structures.

Described in technical scheme a No. 2 skeleton back board module comprises No. 2 skeleton backboards and No. 2 reinforced ribs.No. 2 described reinforced ribs comprise No. 2 bottom horizontal bars, horizontal bar in the middle of No. 2, No. 2 upper end horizontal bars, 2 extra skew back muscle, No. 2 Article 2 diagonal bars, No. 2 Article 3 diagonal bars, No. 2 inner side diagonal bars, No. 2 right outside skew back muscle, No. 2 right Article 2 diagonal bars, No. 2 right Article 3 diagonal bars, No. 2 Right Inboard diagonal bars and No. 2 cross reinforcing ribs.No. 2 bottom horizontal bars, No. 2 middle horizontal bars and No. 2 upper end horizontal bars are parallel to each other; No. 2 bottom horizontal bars, No. 2 middle horizontal bars are crossing with No. respectively with 2, the two ends rectangular shaped rim of No. 2 upper end horizontal bars; 2 extra skew back muscle, No. 2 Article 2 diagonal bars, No. 2 Article 3 diagonal bars and No. 2 inner side diagonal bars and No. 2 right outside skew back muscle, No. 2 right Article 2 diagonal bars, No. 2 right Article 3 diagonal bars and No. 2 Right Inboard diagonal bars are arranged on the left and right sides of No. 2 skeleton backboards symmetrically; 2 extra skew back muscle, No. 2 Article 2 diagonal bars, No. 2 Article 3 diagonal bars and No. 2 inner side diagonal bars between be parallel to each other; No. 2 right outside skew back muscle, No. 2 right Article 2 diagonal bars, to be parallel to each other between No. 2 right Article 3 diagonal bars and No. 2 Right Inboard diagonal bars.First row reinforced rib is arranged as diagonal structure reinforced rib that is in the middle of No. 2 between horizontal bars and No. 2 upper end horizontal bars from first quadrangle from left to right; In second quadrangle, a strip adoption connects upper left side and lower right diagonal structure reinforced rib, and another strip adoption connects upper and lower reinforced rib mid point connecting line construction reinforced rib; The diagonal structure reinforced rib at the 3rd quadrangle and the 5th quadrangle employing connection two obtuse angles; 4th quadrangle reinforced rib adopts two diagonal lines i.e. No. 2 cross reinforcing ribs; Is connected upper left side and lower right diagonal structure reinforced rib from a strip adoption first quadrangle from left to right between second row reinforced rib i.e. No. 2 bottom horizontal bars with horizontal bars in the middle of No. 2, another strip adoption connects goes up following mid point connecting line construction reinforced rib.

Compared with prior art the beneficial effects of the utility model are:

1. rear seat of passenger car skeleton described in the utility model adopts glass fibre reinforced composion, has lightweight, high impact, is easy to shaping, the advantageous property such as withstanding corrosion, is superior to traditional Chinese chair backboard metallic material far away.

2. rear seat of passenger car skeleton described in the utility model adopts pultrusion-mould pressing process one-body molded, reduces parts and number of welds.

3. rear seat of passenger car skeleton described in the utility model is according to collision Path of Force Transfer design reinforced rib, and the local of carrying out relevant position thickeies, and makes materials application at rational position, avoids causing unnecessary waste.

4. rear seat of passenger car skeleton described in the utility model is in generation and luggage block collision process; the displacement at the maximum distortion place that this glass fibre reinforced composion seat back occurs is far smaller than the traditional metal materials under impacting on an equal basis; if when colliding, great protective effect can be played to passenger.

5. rear seat of passenger car skeleton described in the utility model is mutually compatible with existing connecting device, does not need to re-design connection and erecting device, has and facilitates terseness.

6. rear seat of passenger car skeleton described in the utility model is compared with traditional metal pedestal structure of chair for the requirement of GB15083-2006 " test method of luggage displacement occupant restraint device " regulation, the glass fiber/polypropylene composites seat of massfraction 50% is under the prerequisite met the demands, the quality of cushion frame alleviates nearly 30%, actv. achieves the light-weight design of automobile, improves the fuel economy of Integral automobile.

Detailed description of the invention

Detailed description of the invention

Below in conjunction with accompanying drawing, the utility model is explained in detail:

Consult Fig. 3 and Fig. 4, rear seat of passenger car skeleton described in the utility model is split-type structural part, and namely rear seat of passenger car skeleton described in the utility model is made up of No. 1 cushion frame and No. 2 cushion frames; No. 1 cushion frame and No. 2 cushion frames are arranged on No. 1 chassis parts 48, No. 2 chassis parts 51 on manned vehicle and No. 3 chassis parts 52 abreast, or rather, No. 1 cushion frame and No. 2 cushion frames adopt bolt be arranged on abreast on manned vehicle No. 1 Di cut with scissors 47, cut with scissors medially 50 with No. 2 Di cut with scissors for being fixedly connected with on 53, in embodiment, between No. 1 cushion frame and No. 2 cushion frames, horizontal throw is 32mm.

Consult Fig. 1 and Fig. 2, No. 1 described cushion frame and No. 2 cushion frames are all the thin plate class formation part of rectangle, No. 1 cushion frame forms substantially identical with the structure of No. 2 cushion frames, No. 1 cushion frame and No. 2 cushion frames are all made up of rectangular shaped rim and skeleton back board module, namely No. 1 cushion frame is made up of No. 1 rectangular shaped rim and No. 1 skeleton back board module, No. 1 skeleton back board module is positioned among No. 1 rectangular shaped rim, and No. 1 rectangular shaped rim is connected with between No. 1 skeleton back board module; No. 2 cushion frames are made up of No. 2 rectangular shaped rim and No. 2 skeleton back board modules, and No. 2 skeleton back board modules are positioned among No. 2 rectangular shaped rim, and No. 2 rectangular shaped rim are connected with between No. 2 skeleton back board modules; No. 1 cushion frame is equal with the length of No. 2 cushion frames, width is not etc., the width of No. 1 cushion frame is less than the width of No. 2 cushion frames, in embodiment of the present utility model, the profile physical dimension of No. 1 cushion frame is long 580mm × wide 365mm, and the profile physical dimension of No. 2 cushion frames is long 580mm × wide 650mm.

Consult Fig. 1 and Fig. 4-b, in order to strengthen the strength and stiffness of No. 1 cushion frame and No. 2 cushion frames, No. 1 rectangular shaped rim and No. 2 rectangular shaped rim are all arranged to doubling formula uniform cross section housing structure part, and the same side of No. 1 skeleton backboard 23 in No. 1 skeleton back board module and No. 2 skeleton backboards 27 in No. 2 skeleton back board modules from left to right, is from top to bottom reasonably furnished with reinforced rib.

No. 1 described rectangular shaped rim and No. 2 rectangular shaped rim are all arranged to doubling formula uniform cross section housing structure part, and No. 1 rectangular shaped rim ecto-entad is disposed with No. 3 vertical edge frame 3 of No. 1 horizontal frame 15 of rectangle, No. 1 vertical edge frame 16 of rectangle, No. 2 horizontal frames 17 of rectangle, No. 2 vertical edge frame 1 of rectangle, No. 3 horizontal frames 2 of rectangle and rectangle in other words.

No. 1 horizontal frame 15 and No. 3 horizontal frames 2 are positioned at (outward) both sides of No. 2 horizontal frames 17, No. 1 horizontal frame 15 and No. 3 horizontal frame 2 parallel co-planar, No. 1 horizontal frame 15 with No. 3 horizontal frames 2 with parallel with No. 2 horizontal frames 17, No. 1 vertical edge frame 16, No. 2 vertical edge frame 1 and No. 3 vertical edge frame 3 are parallel to each other, No. 1 vertical edge frame 16 and No. 2 vertical edge frame 1 are positioned at (outward) both sides of No. 2 horizontal frames 17, and being in the following of No. 2 horizontal frames 17 together, No. 3 vertical edge frame 3 are positioned at the following of No. 3 horizontal frame 2 the inners, No. 1 horizontal frame 15 is inner to be held with No. 1 vertical edge frame 16 times () and is connected and is vertical connection, upper (another) end of No. 1 vertical edge frame 16 is connected with the outer end of No. 2 horizontal frames 17 and is vertical connection, the inner of No. 2 horizontal frames 17 and upper (one) of No. 2 vertical edge frame 1 hold and are connected and are vertical connection, No. 2 vertical edge frame 1 time (another) end and (one) outward of No. 3 horizontal frames 2 hold and are connected and are vertical connection, interior (another) end of No. 3 horizontal frames 2 and upper (one) of No. 3 vertical edge frame 3 hold and are connected and are vertical connection, No. 3 vertical edge frame 3 times (another) end is connected with No. 1 skeleton backboard 23 outer end (periphery) and is vertical connection.

In embodiment of the present utility model, the width of No. 1 horizontal frame 15 is 7mm, vertical No. 1 vertical edge frame 16 thickness protruding is forward 17mm, and the width of No. 2 horizontal frames 17 is 20mm, and No. 2 vertical edge frame 1 thickness are 17mm, No. 3 horizontal frame 2 width are 23mm, and No. 3 vertical edge frame 3 thickness are 7mm.

Consult Fig. 1 and Fig. 4-c, consider the arrangement of chair handle, the middle of the top frame in No. 1 rectangular shaped rim of No. 1 cushion frame is provided with No. 1 backrest lock module 21.This module is also stressed critical regions, therefore its thickness is set to 11mm.

Described No. 1 backrest lock module 21 is the housing structure part of hollow tetragonous cone table shape, large upper end, No. 1 backrest lock module 21 bottom is little, top frame in the frustum of a pyramid two side of the Width of No. 1 backrest lock module 21 and No. 1 rectangular shaped rim intersects and is connected, the frustum of a pyramid madial wall of the length direction of No. 1 backrest lock module 21 is crossing with No. 1 skeleton backboard 23 and be connected, the lateral wall of No. 1 backrest lock module 21 is a part for No. 1 vertical edge frame 16, namely parallel with No. 1 skeleton backboard 23 table top middle of No. 1 backrest lock module 21 thickness direction arranges two No. 1 mounting holes 22, so that the arrangement of handle.

In embodiment of the present utility model, the leftmost edge of No. 1 backrest lock module 21 left end distance No. 1 cushion frame is 135mm, No. 1 leans against bottom lock module 21 overall dimensions is 90mm × 90mm, top dimension is 80mm × 80mm, and the height of No. 1 backrest lock module 21 is 37mm.In two No. 1 mounting holes 22 top No. 1 mounting hole 22 with No. 1 lean against lock module 21 top distance 20mm, between two mounting holes at a distance of 50mm. through Finite Element Simulation Analysis, this projection is one of main force area, thus thickness reinforcement be 11mm.

The intensity at otic placode 10 place is installed to strengthen No. 1, cushion frame, bottom No. 1 cushion frame, No. 1 chamfering structure 12 is arranged at the right angle joint of No. 2 horizontal frames 17 in right side namely, the two-end-point of this chamfering and the distance of two adjacent square edge intersection points are all 37mm, become No. 2 chamfering structures 13 at No. 3 horizontal frame 2 places also respective design, the distance of the two square edge intersection points that the two-end-point of chamfering is adjacent is all 16mm.Consider the symmetry of structure and backboard skeleton and the link strength of cutting with scissors 50 medially, the opposite side bottom No. 1 backboard also arranges two duplicate chamfering structures.

Simultaneously through force analysis, learn that the luggage block (Collision test in GB15083-2006 " test method of luggage displacement occupant restraint device " laws and regulations requirement) in collision test device is also serious stress area with monolithic seat skeleton contact position, therefore localised reinforced areas is set on No. 1 skeleton backboard 23, it adds strength is a rectangular area, rectangle upper end is 127mm apart from No. 1 skeleton backboard 23 upper end, and development length is that 90mm place obtains this lower end, rectangular area downwards, width is identical with No. 1 skeleton backboard 23 width, and its thickness is set to 12mm, all the other skeleton thickness are all set to 7mm, variation in thickness place adopts grading structure, to reduce stress concentration phenomenon, due to thickness change and not obvious, specifically do not show this reinforced region in the drawings.

No. 1 skeleton back board module comprise No. 1 skeleton backboard 23 and reinforced rib (No. 6,1, diagonal bar inner side diagonal bar 7, No. 1 right outside skew back muscle in the middle of No. 5,1, horizontal bar 19, No. 1 bottom horizontal bar 18,1 extra skew back muscle in the middle of No. 1 No. 20,1, upper end horizontal bar, No. 1 right between diagonal bar, No. 1 Right Inboard diagonal bar, cross reinforcing rib and No. 1 right cross reinforcing rib in No. 1 No. 4,1, cross reinforcing rib);

Determine to carry out reinforced rib setting to No. 1 cushion frame according to topological optimization nephanalysis result simultaneously.First the reinforced rib of three transverse directions is set on No. 1 skeleton backboard 23: horizontal bar 19 and No. 1 bottom horizontal bar 18 in the middle of No. 1 No. 20,1, upper end horizontal bar, in the middle of No. 20,1, No. 1 upper end horizontal bar, horizontal bar 19 and No. 1 bottom horizontal bar 18 are parallel to each other, and No. 1 upper end horizontal bar 20, No. 1 centre horizontal bar 19 and No. 1 No. respectively with 1, bottom horizontal bar 18 two ends rectangular shaped rim (in left frame and left frame) are crossing; With the intermediate symmetry face of No. 1 cushion frame length direction for benchmark, symmetrical arranges oblique reinforced rib: No. 6,1, diagonal bar inner side diagonal bar 7, No. 1 right outside skew back muscle, No. 1 right diagonal bar and No. 1 Right Inboard diagonal bar in the middle of 1 No. 5,1, extra skew back muscle; In the middle of 1 No. 5,1, extra skew back muscle, diagonal bar 6 and No. 1 inner side diagonal bar 7 are parallel to each other, and No. 1 right outside skew back muscle, No. 1 right diagonal bar and No. 1 Right Inboard diagonal bar are parallel to each other; In the middle of No. 1 upper end horizontal bar 20 and No. 1 between horizontal bar 19, and in the middle of 1 extra skew back muscle 5 and No. 1, between diagonal bar 6, No. 1 cross reinforcing rib 4 is set, in the middle of No. 1 upper end horizontal bar 20 and No. 1 between horizontal bar 19, and in the middle of No. 1 diagonal bar 6 and No. 1 right between cross reinforcing rib in No. 1 is set between diagonal bar, in the middle of No. 1 upper end horizontal bar 20 and No. 1 between horizontal bar 19, and No. 1 right outside skew back muscle and No. 1 right between No. 1 right cross reinforcing rib is set between diagonal bar.

In the middle of No. 20,1, No. 1 upper end horizontal bar in embodiment of the present utility model horizontal bar 19 and No. 1 bottom horizontal bar 18 successively apart from No. 1 skeleton backboard 23 upper end apart from being 97mm, 177mm and 277mm, it is 9mm that No. 1, the top distance of 1 extra skew back muscle 5 leans against lock module 21 left end, and the bottom of 1 extra skew back muscle 5 is connected with No. 1 chamfering 12 place of No. 2 horizontal frame 17 left ends; In the middle of adjacent No. 1, diagonal bar 6 carries out translation on this basis until bottom arrives the other end of No. 1 chamfering 12, and in the middle of No. 1, the top of diagonal bar 6 extends to No. 1 and leans against lock module 21 and intersect; No. 1 inner side diagonal bar 7 is in the middle of No. 1 based on diagonal bar 6, and the 40mm of horizontal direction translation is to the right arranged, the top of No. 1 inner side diagonal bar 7 end at No. 1 in the middle of horizontal bar 19 place, inside No. 1, the bottom of diagonal bar 7 is crossing with the bottom frame in No. 1 rectangular shaped rim and be connected; Through force analysis, between No. 1 upper end horizontal bar 20 and No. 1 middle horizontal bar 19, region is seriously stressed, thus become chief destructive region, therefore the diagonal line having quadrangle reinforced rib by connecting three places in the middle of this region arranges that cross type reinforced rib 4 carries out local and strengthens emphatically process.Overall reinforced rib height is 24mm, and thickness is set to 3mm, and reinforced rib section is square-section, as shown in Figure 5.Be arranged symmetrically with because oblique reinforced rib adopts, so the layout of No. 1 right outside skew back muscle, No. 1 right diagonal bar and No. 1 Right Inboard diagonal bar and No. 5,1,1 extra skew back muscle middle No. 6,1, diagonal bar inner side diagonal bar 7 duplicates:

The bottom of No. 1 right outside skew back muscle is connected with No. 2 chamfering 13 places of No. 2 horizontal frame 17 right-hand members; Adjacent No. 1 right diagonal bar carries out translation on this basis until bottom arrives the other end of No. 2 chamferings 13, and the top of No. 1 right diagonal bar extends to No. 1 and leans against lock module 21 and intersect; No. 1 Right Inboard diagonal bar is based on No. 1 right diagonal bar, the 40mm of horizontal direction translation is left arranged, the top of No. 1 Right Inboard diagonal bar end at No. 1 in the middle of horizontal bar 19 place, the bottom of No. 1 Right Inboard diagonal bar is crossing with the bottom frame in No. 1 rectangular shaped rim and be connected; Through force analysis, between No. 1 upper end horizontal bar 20 and No. 1 middle horizontal bar 19, region is seriously stressed, thus become chief destructive region, therefore the diagonal line having quadrangle reinforced rib by connecting three places in the middle of this region arranges that cross type reinforced rib 4 carries out local and strengthens emphatically process.Overall reinforced rib height is 24mm, and thickness is set to 3mm, and reinforced rib section is square-section, as shown in Figure 5.

Consult Fig. 1, Fig. 6-a to Fig. 6-d, the footing place, lower-left of No. 1 cushion frame is arranged bossedly installs otic placode 10 with 47 No. 1 of being connected of No. 1 Di cutting with scissors in No. 1 chassis parts 48.

No. 1 described installation otic placode 10 is a subtriangular housing structure part, installs otic placode 10 for No. 1 and is made up of triangle flat plate and reinforced rib expanded metals.

Triangle flat plate small end is arranged to semicircular plate, and semicircular plate center is provided with installation through hole, and namely the large end of triangle flat plate is installed on the right side of through hole and be provided with reinforcement gusset, strengthens gusset and forms staggered form reinforced rib expanded metals by 4 horizontal gussets and 3 vertical gussets.

The right side of large end of No. 1 installation otic placode 10 and the inboard face of triangle flat plate are arranged in No. 1 horizontal frame 15 outermost in No. 1 rectangular shaped rim lower left corner, and are vertically connected as a body with it, and triangle flat plate is in inboard.In order to strengthen No. 1 fastness of installing otic placode 10 and being connected with No. 1 rectangular shaped rim, install at No. 1 of No. 1 rectangular shaped rim length direction and between otic placode 10 and No. 1 rectangular shaped rim, to be provided with on No. 1 muscle 9 and No. 1 lower muscle 11 between the inboard face of triangle flat plate and No. 1 chamfering 12 in No. 8,1, muscle, at grade, every bar reinforced rib is all adopt circular shape to be connected with cushion frame to lower frame in this lower muscle 11 and No. 1 vertical edge frame 16.

The right-hand member footing i.e. lower right corner place of No. 1 rectangular shaped rim of No. 1 cushion frame is provided with lower right corner mounting hole 14, and the hole heart is all 22mm apart from the distance in No. 3 vertical edge frame 3 two (length and width) directions.

The whole geometry of No. 2 cushion frames in the utility model embodiment is of a size of long 580mm × wide 650mm.The middle of the top frame in No. 2 rectangular shaped rim of No. 2 cushion frames is provided with No. 2 backrest lock modules 46, described No. 2 backrest lock modules 46 are the housing structure part of hollow tetragonous cone table shape, the large upper end, bottom of No. 2 backrest lock modules 46 is little, top frame in the frustum of a pyramid two side of the Width of No. 2 backrest lock modules 46 and No. 2 rectangular shaped rim intersects and is connected, the frustum of a pyramid madial wall of the length direction of No. 2 backrest lock modules 46 is crossing with No. 2 skeleton backboards 27 and be connected, the lateral wall of No. 2 backrest lock modules 46 is a part for No. 4 rectangular shaped rim, namely parallel with No. 2 skeleton backboards 27 platform (foreground) middle, face of No. 2 backrest lock module 46 thickness directions arranges No. 2 mounting holes 45 of the identical arrangement handle of two structures.

In embodiment, No. 2 backrest lock module 46 left ends are apart from No. 2 cushion frame left-external side 256mm, and No. 2 backrest lock module 46 bottom sizes are 138mm × 108mm, and top dimension is 125mm × 95mm, and height (thick) degree of No. 2 backrest lock modules 46 is 37mm.Before No. 2 handle mounting holes 45 of the upper end in No. 2 backrest lock modules 46 and No. 2 backrest lock modules 46, the distance on the top of table top is 19mm, at a distance of 66mm between holes.

The scantling of structure of No. 2 rectangular shaped rim in No. 2 cushion frames is identical with the scantling of structure of No. 1 rectangular shaped rim in No. 1 cushion frame, No. 2 skeleton back board modules in No. 2 cushion frames comprise No. 2 skeleton backboards 27 and No. 2 reinforced ribs, horizontal reinforced rib (No. 2 bottom horizontal bars 41 of No. 2 skeleton back board modules, horizontal bars 42 and No. 2 upper end horizontal bars 43 in the middle of No. 2) number and three horizontal reinforced ribs position all with the number of the horizontal reinforced rib of No. 1 skeleton back board module of No. 1 cushion frame and position identical, because No. 2 cushion frames are wide compared with No. 1 cushion frame, namely area of thrust surface are large, therefore left and right sides is arranged symmetrically with 4 diagonal bars on No. 2 skeleton backboards in No. 2 cushion frames, i.e. 2 extra skew back muscle 31, No. 2 Article 2 diagonal bars 32, No. 2 Article 3 diagonal bars 33, No. 2 inner side diagonal bars 34, No. 2 right outside skew back muscle, No. 2 right Article 2 diagonal bars, No. 2 right Article 3 diagonal bars and No. 2 Right Inboard diagonal bars.Wherein: be parallel to each other between 2 No. 31,2, extra skew back muscle Article 2 diagonal bars, 32, No. 2 Article 3 diagonal bars 33 and No. 2 inner side diagonal bars 34; No. 2 right outside skew back muscle, No. 2 right Article 2 diagonal bars, to be parallel to each other between No. 2 right Article 3 diagonal bars and No. 2 Right Inboard diagonal bars.

One end of 2 extra skew back muscle 31 is connected with No. 2 lower left corners leaning against lock module 46, and the other end of 2 extra skew back muscle 31 is connected with one end of No. 3 chamferings 29 at base angle place, No. 2 cushion frame lower-lefts; Move to a segment distance on this basis and obtain Article 2 diagonal bar 32, Article 2 diagonal bar 32 lower end is connected with the other end of No. 3 chamferings 29 at base angle place, No. 2 cushion frame lower-lefts, Article 2 diagonal bar 32 upper end with No. 2 to lean against lock module 46 crossing; Article 3 diagonal bar 33 is obtained by Article 2 diagonal bar 32 horizontal translation 30mm, and the upper end of Article 3 diagonal bar 33 is crossing with horizontal bar 42 in the middle of No. 2, and the lower end of Article 3 diagonal bar 33 is crossing with the bottom frame of No. 2 rectangular shaped rim; And No. 2 inner side diagonal bars 34 are that Article 3 diagonal bar 33 parallel motion 40mm obtains, the upper end of No. 2 inner side diagonal bars 34 is crossing with horizontal bar 42 in the middle of No. 2, and the lower end of No. 2 inner side diagonal bars 34 is crossing with the bottom frame of No. 2 rectangular shaped rim.

No. 2 right outside skew back muscle, No. 2 right Article 2 diagonal bars, No. 2 right Article 3 diagonal bars and No. 2 Right Inboard diagonal bar successively with 2 extra skew back muscle 31, No. 2 Article 2 diagonal bars 32, No. 2 Article 3 diagonal bars 33 and No. 2 inner side diagonal bars 34 are arranged in the right side of No. 2 cushion frames relatively symmetrically.The upper end of No. 2 right outside skew back muscle is connected with No. 2 lower right corner leaning against lock module 46, and the lower end of No. 2 right outside skew back muscle is connected with one end of No. 4 chamferings 28 at base angle place, No. 2 cushion frame bottom rights; The upper end of No. 2 Article 2 diagonal bars 32 with No. 2 to lean against lock module 46 crossing, the lower end of No. 2 Article 2 diagonal bars 32 is connected with the other end of No. 4 chamferings 28 at base angle place, No. 2 cushion frame bottom rights; In the middle of the upper end of No. 2 right Article 3 diagonal bars and No. 2 Right Inboard diagonal bars and No. 2, horizontal bars 42 are crossing, and No. 2 right Article 3 diagonal bars are crossing with the lower end of No. 2 Right Inboard diagonal bars and the bottom frame of No. 2 rectangular shaped rim.

With No. 1 cushion frame something in common, No. 2 staggered form reinforced ribs 44 are set in the stressed critical regions of No. 2 cushion frames; With No. 1 cushion frame difference, be that cross bar is arranged wider, consider that the sharp comer that technique exists can cause problem of stress concentration simultaneously, so sharp corner can be being produced with connecting quadrangle length of side mid point and summit replacement diagonal form, first row reinforced rib (in the middle of No. 2 between horizontal bar 42 and No. 2 upper end horizontal bars 43), from from left to right, is arranged as diagonal structure reinforced rib in first quadrangle; In second quadrangle, a strip adoption connects upper left side and lower right diagonal structure reinforced rib, and another strip adoption connects upper (reinforced rib) mid point connecting line construction reinforced rib below; 3rd quadrangle and the 5th quadrangle due to acute angle outstanding problem, therefore only adopt the diagonal structure reinforced rib at connection two obtuse angles; 4th quadrangle is in No. 2 skeleton backboard middles, and reinforced rib adopts two diagonal lines to arrange.Second row reinforced rib (in the middle of No. 2 bottom horizontal bars 41 and No. 2 between horizontal bars 42) is from from left to right, in first quadrangle, a strip adoption connects upper left side and lower right diagonal structure reinforced rib, and another strip adoption connects upper (reinforced rib) mid point connecting line construction reinforced rib below.

In No. 2 cushion frames, localised reinforced areas thickness is set to 12mm, and all the other place's thickness are all set to 9mm, and identical with cross section and No. 1 cushion frame of reinforced rib size, is respectively 24mm, 3mm.Simultaneously, No. 2 cushion frames i.e. lower right corner of No. 2 rectangular shaped rim arranges that No. 2 are installed otic placodes 35, it is mirror image part that No. 2 No. 1 of installing in otic placode 35 and No. 1 cushion frame install otic placode 10, in order to strengthen No. 2, the fastnesses that are connected with No. 2 rectangular shaped rim of otic placodes 35 being installed, installing at the length direction of No. 2 rectangular shaped rim and No. 2 of Width and between otic placode 35 and No. 2 rectangular shaped rim, being provided with on No. 2 muscle 36 and No. 2 lower muscle in No. 37,2, muscle.The lower left corner i.e. lower right-hand corner of No. 2 rectangular shaped rim of No. 2 cushion frames is provided with lower left corner mounting hole 30, and the scantling of structure of lower left corner mounting hole 30 is all identical with position dimension with the scantling of structure of the lower right corner mounting hole 14 in No. 1 cushion frame with position dimension.

No. 2 cushion frames all adopt glass fibre reinforced composion and mould one-shot forming to make on the whole, have that intensity is high, good toughness, the features such as lightweight.

According to GB15083-2006 " test method of luggage displacement occupant restraint device " laws and regulations requirement, other device jugs be connected with rear seat of passenger car skeleton, metal card ring lock (experimental set-up), medially cut with scissors 50 and both sides metal ground cut with scissors (namely No. 1 Di cut with scissors and 47 and No. 2 Di cut with scissors 53).

Two metal handle are bolted in No. 1 backrest lock module 21 and No. 2 backrest lock modules 46 that mode is separately fixed at No. 1 cushion frame and No. 2 cushion frames, and metal card ring lock, to cut with scissors 50 be medially all then be rigidly fixed on test chassis.

Consult Fig. 7, cut with scissors the square plate structure part that 50 are a pair specular (left side is cut with scissors medially and cut with scissors medially with the right side) medially, the base that left hinge medially and the right side are cut with scissors medially is provided with the fixed orifice be fixedly connected with No. 2 cushion frames with No. 1 cushion frame, the supporting wall that left hinge medially and the right side are cut with scissors medially is provided with and cuts with scissors 49 through holes be connected regularly.

Retaining ring lock entangles metal handle, on No. 1 handle mounting hole 22 that two metal handle adopt bolt to be arranged on No. 1 cushion frame and No. 2 cushion frame upper ends and No. 2 handle mounting holes 45.

No. 1 cushion frame and No. 2 cushion frames by the lower right corner mounting hole 14 of bottom right footing and lower-left footing and lower left corner mounting hole 30 and cut with scissors medially 50 base with bolts, the supporting wall simultaneously cutting with scissors 50 medially adopts bolt to be fixedly connected with the one end connecting floor 49, outside two No. 1 ground hinge 47 is installed otic placode 10 install otic placode 35 and adopt bolt to be fixed to be connected with No. 2 with No. 1 that No. 2 Di cuts with scissors 53 successively with No. 1 cushion frames and No. 2 cushion frames, by No. 1 ground hinge 47, No. 2 ground hinges 53 and connection No. 49 successively with 1, floor chassis parts 48, the connection of No. 2 chassis parts 51 and No. 3 chassis parts 52, rear seat of passenger car skeleton i.e. No. 1 cushion frame and No. 2 cushion frames are fixed on from lower end and test chassis.

Regulation checking illustrates:

In order to meet test requirements document, the baggage container block that two pieces of quality are 18kg, physical dimension is the rigid material of 300mm × 300mm × 300mm is selected before test, in order to ensure its longitudinal installation site, according to laws and regulations requirement, test sample block is placed on bottom boot compartment, its anterior vehicle part with forming boot compartment front border contacts, and then it is moved backward, until its barycenter moves the horizontal throw of 200mm along the longitudinal center direction being parallel to vehicle.Meanwhile, 25mm is respectively inside longitudinal direction of car longitudinal plane of symmetry distance two baggage container blocks.

Consult Fig. 8, give the rate of onset of test chassis to be 50Km/h along longitudinal direction of car center position, the deceleration/decel waveform of its motion as shown in FIG., meets the laws and regulations requirement of GB15083-2006.The motion of test chassis drives glass fibre composite seat backboard to impact with the luggage block at a distance of 200mm.Force analysis is carried out by finite element, obtaining stressed maximum position is that luggage block contacts with backboard position, arrange because the reasonable Arrangement of reinforced rib and the rear seat of passenger car skeleton i.e. local of No. 1 cushion frame and No. 2 cushion frames thicken, make it be out of shape by rear seat of passenger car skeleton i.e. No. 1 cushion frame and No. 2 cushion frames by a part of impulsive force to absorb, another part application force carries out dispersion along reinforced rib and transmits, finally pass to No. 1 ground hinge 47, No. 2 ground hinges 53, cut with scissors 49 and chassis regularly, significantly reduce the injury to occupant.Simultaneously, the maximum displacement that rear seat of passenger car skeleton i.e. No. 1 cushion frame and No. 2 cushion frames occur in impact process is 78mm, in whole simulation process, rear seat of passenger car skeleton, rear seat of passenger car skeleton fixture, control apparatus and Locking Device thereof all still remain on original position, rear seat of passenger car skeleton only deforms, and does not occur to cause dangerous arris or projection to occupant.Rear seat of passenger car skeleton maximum deformation quantity has not exceeded the reference plane being in rear seat of passenger car skeleton front 100mm simultaneously, meet the laws and regulations requirement of GB15083-2006 " test method of luggage displacement occupant restraint device ", and rear seat of passenger car skeleton total quality is 9.8kg, relative to the critical metal rear seat of passenger car skeleton meeting this laws and regulations requirement, quality alleviates nearly 30%, therefore the utility model also achieves lightweight demand while the design of reinforcement rear seat of passenger car skeleton structure.

Accompanying drawing explanation

Below in conjunction with accompanying drawing, the utility model is further described:

Fig. 1 is the axonometric projection graph of 40% cushion frame in rear seat of passenger car skeleton described in the utility model;

Fig. 2 is the axonometric projection graph of 60% cushion frame in rear seat of passenger car skeleton described in the utility model;

Fig. 3 is the axonometric projection graph of 40% cushion frame and 60% cushion frame relative position relation after rear seat of passenger car Skeleton assembly described in the utility model;

Fig. 4-a is the front view of rear seat of passenger car skeleton described in the utility model;

Fig. 4-b is the enlarged view of A-A place section-drawing in Fig. 4-a;

Fig. 4-c is the enlarged view of B-B place section-drawing in Fig. 4-a;

Fig. 4-d is the enlarged view of C-C place section-drawing in Fig. 4-a;

Fig. 5 is the enlarged view of reinforced rib cross sectional view in rear seat of passenger car skeleton described in the utility model;

Fig. 6-a is the front view of the mounting ear plate structure composition of both sides in rear seat of passenger car skeleton described in the utility model;

Fig. 6-b is the left view of the mounting ear plate structure composition of both sides in rear seat of passenger car skeleton described in the utility model;

Fig. 6-c is the birds-eye view of the mounting ear plate structure group of both sides in rear seat of passenger car skeleton described in the utility model;

Fig. 6-d is the back view of the mounting ear plate structure group of both sides in rear seat of passenger car skeleton described in the utility model;

Fig. 7-a is the front view cutting with scissors structure composition medially that rear seat of passenger car skeleton described in the utility model installs the metal connected;

Fig. 7-b is the left view cutting with scissors structure composition medially that rear seat of passenger car skeleton described in the utility model installs the metal connected;

Fig. 7-c is the birds-eye view cutting with scissors structure composition medially that rear seat of passenger car skeleton described in the utility model installs the metal connected;

Projectile deceleration history figure when Fig. 8 is rear seat of passenger car skeleton sled test described in the utility model;

In figure: 1. No. 2 vertical edge frame, 2. No. 3 horizontal frames, 3. No. 3 vertical edge frame, 4. No. 1 cross reinforcing rib, 5. 1 extra skew back muscle, 6. No. 1 middle diagonal bar, 7. No. 1 inner side diagonal bar, 8. No. 1 upper muscle, 9. muscle in No. 1, 10. No. 1 otic placode is installed, 11. No. 1 lower muscle, 12. No. 1 chamferings, 13. No. 2 chamferings, 14. lower right corner mounting holes, 15. No. 1 horizontal frames, 16. No. 1 vertical edge frame, 17. No. 2 horizontal frames, 18. No. 1 bottom horizontal bars, horizontal bar in the middle of 19. No. 1, 20. No. 1 upper end horizontal bars, 21. No. 1 backrest lock modules, 22. No. 1 handle mounting holes, 23. No. 1 skeleton backboards, 24. No. 5 vertical edge frame, 25. No. 6 horizontal frames, 26. No. 6 vertical edge frame, 27. No. 2 skeleton backboards, 28. No. 4 chamferings, 29. No. 3 chamferings, 30. lower left corner mounting holes, 31. 2 extra skew back muscle, 32. No. 2 Article 2 diagonal bars, 33. No. 2 Article 3 diagonal bars, 34. No. 2 inner side diagonal bars, 35. No. 2 otic placode is installed, muscle in 36. No. 2, 37. No. 2 upper muscle, 38. No. 4 horizontal frames, 39. No. 4 vertical edge frame, 40. No. 5 horizontal frames, 41. No. 2 bottom horizontal bars, horizontal bar in the middle of 42. No. 2, 43. No. 2 upper end horizontal bars, 44. No. 2 cross reinforcing ribs, 45. No. 2 handle mounting holes, 46. No. 2 backrest lock modules, 47. No. 1 ground hinges, 48. No. 1 chassis parts, 49. cut with scissors regularly, 50. cut with scissors medially, 51. No. 2 chassis parts, 52. No. 3 chassis parts, 53. No. 2 ground hinges.

Claims (10)

1. a rear seat of passenger car skeleton, is characterized in that, described rear seat of passenger car skeleton is made up of No. 1 cushion frame and No. 2 cushion frames; No. 1 cushion frame and No. 2 cushion frames adopt bolt to be arranged on No. 1 Di cutting with scissors (47), cut with scissors (50) and No. 2 Di cut with scissors for being fixedly connected with on (53) medially on manned vehicle abreast, and between No. 1 cushion frame and No. 2 cushion frames, horizontal throw is 32mm.

2. according to rear seat of passenger car skeleton according to claim 1, it is characterized in that, No. 1 described cushion frame is made up of No. 1 rectangular shaped rim and No. 1 skeleton back board module, No. 1 skeleton back board module is positioned among No. 1 rectangular shaped rim, and No. 1 rectangular shaped rim is connected with between No. 1 skeleton back board module; No. 1 cushion frame is equal with the length of No. 2 cushion frames, and the width of No. 1 cushion frame is less than the width of No. 2 cushion frames.

3. according to rear seat of passenger car skeleton according to claim 2, it is characterized in that, No. 1 described rectangular shaped rim and No. 2 rectangular shaped rim are all arranged to uniform cross section housing structure part;

No. 1 rectangular shaped rim ecto-entad is disposed with No. 1 horizontal frame (15) of rectangle, No. 1 vertical edge frame (16) of rectangle, No. 2 horizontal frames (17) of rectangle, No. 2 vertical edge frame (1) of rectangle, No. 3 horizontal frames (2) of rectangle and No. 3 vertical edge frame (3) of rectangle;

No. 1 horizontal frame (15) is positioned at the outer both sides of No. 2 horizontal frames (17) with No. 3 horizontal frames (2), No. 1 horizontal frame (15) and No. 3 horizontal frame (2) parallel co-planar, No. 1 horizontal frame (15) is same parallel with No. 2 horizontal frames (17) with No. 3 horizontal frames (2), No. 1 vertical edge frame (16), No. 2 vertical edge frame (1) are parallel to each other with No. 3 vertical edge frame (3), No. 1 vertical edge frame (16) is positioned at the outer both sides of No. 2 horizontal frames (17) with No. 2 vertical edge frame (1), and being in the following of No. 2 horizontal frames (17) together, No. 3 vertical edge frame (3) are positioned at the following of No. 3 horizontal frames (2) the inners, No. 1 horizontal frame (15) is inner to be connected with one end of No. 1 vertical edge frame (16) and to be vertical connection, the other end of No. 1 vertical edge frame (16) is connected with the outer end of No. 2 horizontal frames (17) and is vertical connection, the inner of No. 2 horizontal frames (17) is connected with one end of No. 2 vertical edge frame (1) and is vertical connection, the other end of No. 2 vertical edge frame (1) is connected with the outer end of No. 3 horizontal frames (2) and is vertical connection, the inner of No. 3 horizontal frames (2) is connected with one end of No. 3 vertical edge frame (3) and is vertical connection, the other end of No. 3 vertical edge frame (3) is connected with No. 1 skeleton backboard (23) periphery and is vertical connection.

4. according to rear seat of passenger car skeleton according to claim 2, it is characterized in that, the middle of the top frame of No. 1 described rectangular shaped rim is provided with No. 1 backrest lock module (21);

The housing structure part that No. 1 described backrest lock module (21) is hollow tetragonous cone table shape, the large upper end, bottom of No. 1 backrest lock module (21) is little, top frame in the frustum of a pyramid two side of the Width of No. 1 backrest lock module (21) and No. 1 rectangular shaped rim intersects and is connected, the frustum of a pyramid madial wall of the length direction of No. 1 backrest lock module (21) is crossing with No. 1 skeleton backboard (23) and be connected, the lateral wall of No. 1 backrest lock module (21) is a part for No. 1 vertical edge frame (16), namely parallel with No. 1 skeleton backboard (23) the table top middle of No. 1 backrest lock module (21) thickness direction arranges No. 1 mounting hole (22) of the identical arrangement handle of two structures.

5. according to rear seat of passenger car skeleton according to claim 2, it is characterized in that, the lower right-hand corner of No. 1 described rectangular shaped rim is provided with No. 1 and installs otic placode (10);

Described No. 1 is installed otic placode (10) is a leg-of-mutton housing structure part, installs otic placode (10) for No. 1 and is made up of triangle flat plate and reinforced rib expanded metals;

Triangle flat plate small end is arranged to semicircular plate, semicircular plate center is provided with installation through hole, namely the large end of triangle flat plate is installed on the right side of through hole and is provided with reinforced rib expanded metals, reinforced rib expanded metals is made up of 4 horizontal gussets and 3 vertical gussets, article 4, horizontal gusset and 3 vertical gussets mutually arranged in a crossed manner on triangle flat plate same side, reinforced rib expanded metals is vertical with triangle flat plate, adopts welding manner to be fixedly connected with between the two;

The right side of large end of No. 1 installation otic placode (10) and the inboard face of triangle flat plate are arranged in the outside of No. 1 horizontal frame (15) in No. 1 rectangular shaped rim lower left corner, and be vertically connected as a body with it, No. 1 of No. 1 rectangular shaped rim length direction install to be provided with No. 1 upper muscle (8) between otic placode (10) and No. 1 rectangular shaped rim, muscle (9) and No. 1 lower muscle (11) in No. 1; The lower right corner place of No. 1 rectangular shaped rim is provided with lower right corner mounting hole (14).

6. according to rear seat of passenger car skeleton according to claim 2, it is characterized in that, No. 1 described skeleton back board module comprises No. 1 skeleton backboard (23) and No. 1 reinforced rib;

No. 1 described reinforced rib refers to No. 1 upper end horizontal bar (20), horizontal bar (19) in the middle of No. 1, No. 1 bottom horizontal bar (18), 1 extra skew back muscle (5), diagonal bar (6) in the middle of No. 1, No. 1 inner side diagonal bar (7), No. 1 right outside skew back muscle, No. 1 right diagonal bar, No. 1 Right Inboard diagonal bar, No. 1 cross reinforcing rib (4), cross reinforcing rib and No. 1 right cross reinforcing rib in No. 1;

No. 1 skeleton backboard (23) arranges reinforced rib i.e. No. 1 upper end horizontal bar (20), No. 1 middle horizontal bar (19) and No. 1 bottom horizontal bar (18) of three transverse directions, No. 1 upper end horizontal bar (20), horizontal bar (19) is parallel to each other with No. 1 bottom horizontal bar (18) in the middle of No. 1, and No. 1 upper end horizontal bar (20), horizontal bar (19) is crossing with No. respectively with 1, the two ends rectangular shaped rim of No. 1 bottom horizontal bar (18) in the middle of No. 1; 1 extra skew back muscle (5), in the middle of No. 1 diagonal bar (6) with No. 1 inside diagonal bar (7) and No. 1 right outside skew back muscle, No. 1 right between diagonal bar and No. 1 Right Inboard diagonal bar be arranged on the left and right sides of No. 1 skeleton backboard (23) symmetrically; 1 extra skew back muscle (5), No. 1 middle diagonal bar (6) are parallel to each other with No. 1 inner side diagonal bar (7), and No. 1 right outside skew back muscle, No. 1 right diagonal bar and No. 1 Right Inboard diagonal bar are parallel to each other; In the middle of No. 1 upper end horizontal bar (20) and No. 1 between horizontal bar (19), and in the middle of 1 extra skew back muscle (5) and No. 1, between diagonal bar (6), No. 1 cross reinforcing rib (4) is set, in the middle of No. 1 upper end horizontal bar (20) and No. 1 between horizontal bar (19), and in the middle of No. 1 diagonal bar (6) and No. 1 right between cross reinforcing rib in No. 1 is set between diagonal bar, in the middle of No. 1 upper end horizontal bar (20) and No. 1 between horizontal bar (19), and No. 1 right outside skew back muscle and No. 1 right between No. 1 right cross reinforcing rib is set between diagonal bar.

7. according to rear seat of passenger car skeleton according to claim 6, it is characterized in that, No. 1 described skeleton backboard (23) arranges localised reinforced areas, it adds strength is a rectangular area, rectangle upper end is 127mm apart from No. 1 skeleton backboard (23) upper end, and development length is that 90mm place obtains this lower end, rectangular area downwards, and width is identical with the width of No. 1 skeleton backboard (23), and its thickness is set to 12mm, all the other skeleton thickness are all set to 7mm.

8. according to rear seat of passenger car skeleton according to claim 1, it is characterized in that, No. 2 described cushion frames are made up of No. 2 rectangular shaped rim and No. 2 skeleton back board modules, No. 2 skeleton back board modules are positioned among No. 2 rectangular shaped rim, and No. 2 rectangular shaped rim are connected with between No. 2 skeleton back board modules;

The lower right corner of No. 2 rectangular shaped rim arranges that No. 2 are installed otic placode (35), No. 2 otic placode (35) is installed and otic placode (10) is installed for mirror image part with No. 1 in No. 1 cushion frame, the length direction of No. 2 rectangular shaped rim and No. 2 of Width install to be provided with between otic placode (35) and No. 2 rectangular shaped rim No. 2 go up muscle (37), muscle (36) and No. 2 lower muscle in No. 2; The lower right-hand corner of No. 2 rectangular shaped rim is provided with lower left corner mounting hole (30), and the scantling of structure of lower left corner mounting hole (30) is all identical with position dimension with the scantling of structure of the lower right corner mounting hole (14) in No. 1 cushion frame with position dimension.

9. according to rear seat of passenger car skeleton according to claim 8, it is characterized in that, the middle of the top frame in No. 2 described rectangular shaped rim is provided with No. 2 backrest lock modules (46), the housing structure part that No. 2 described backrest lock modules (46) are hollow tetragonous cone table shape, the large upper end, bottom of No. 2 backrest lock modules (46) is little, top frame in the frustum of a pyramid two side of the Width of No. 2 backrest lock modules (46) and No. 2 rectangular shaped rim intersects and is connected, the frustum of a pyramid madial wall of the length direction of No. 2 backrest lock modules (46) is crossing with No. 2 skeleton backboards (27) and be connected, the lateral wall of No. 2 backrest lock modules (46) is a part for No. 4 rectangular shaped rim, namely parallel with No. 2 skeleton backboards (27) the table top middle of No. 2 backrest lock module (46) thickness directions arranges No. 2 mounting holes (45) of the identical arrangement handle of two structures.

10. according to rear seat of passenger car skeleton according to claim 8, it is characterized in that, No. 2 described skeleton back board modules comprise No. 2 skeleton backboards (27) and No. 2 reinforced ribs;

No. 2 described reinforced ribs comprise No. 2 bottom horizontal bars (41), horizontal bar (42) in the middle of No. 2, No. 2 upper end horizontal bars (43), 2 extra skew back muscle (31), No. 2 Article 2 diagonal bars (32), No. 2 Article 3 diagonal bars (33), No. 2 inner sides diagonal bar (34), No. 2 right outside skew back muscle, No. 2 right Article 2 diagonal bars, No. 2 right Article 3 diagonal bars, No. 2 Right Inboard diagonal bars and No. 2 cross reinforcing ribs (44);

No. 2 bottom horizontal bars (41), No. 2 middle horizontal bars (42) are parallel to each other with No. 2 upper end horizontal bars (43); No. 2 bottom horizontal bars (41), horizontal bars (42) are crossing with No. 2 upper end horizontal bar (43) No. respectively with 2, two ends rectangular shaped rim in the middle of No. 2; 2 extra skew back muscle (31), No. 2 Article 2 diagonal bars (32), No. 2 Article 3 diagonal bars (33) and No. 2 inner sides diagonal bar (34) and No. 2 right outside skew back muscle, No. 2 right Article 2 diagonal bars, No. 2 right Article 3 diagonal bars and No. 2 Right Inboard diagonal bars are arranged on the left and right sides of No. 2 skeleton backboards (27) symmetrically; 2 extra skew back muscle (31), No. 2 Article 2 diagonal bars (32), to be parallel to each other between No. 2 Article 3 diagonal bars (33) and No. 2 inner sides diagonal bar (34); No. 2 right outside skew back muscle, No. 2 right Article 2 diagonal bars, to be parallel to each other between No. 2 right Article 3 diagonal bars and No. 2 Right Inboard diagonal bars;

First row reinforced rib is arranged as diagonal structure reinforced rib that is in the middle of No. 2 between horizontal bars (42) and No. 2 upper end horizontal bars (43) from first quadrangle from left to right; In second quadrangle, a strip adoption connects upper left side and lower right diagonal structure reinforced rib, and another strip adoption connects upper and lower reinforced rib mid point connecting line construction reinforced rib; The diagonal structure reinforced rib at the 3rd quadrangle and the 5th quadrangle employing connection two obtuse angles; 4th quadrangle reinforced rib adopts two diagonal lines i.e. No. 2 cross reinforcing ribs (44); Second row reinforced rib i.e. No. 2 bottom horizontal bars (41) with is connected upper left side and lower right diagonal structure reinforced rib from a strip adoption first quadrangle from left to right in the middle of No. 2 between horizontal bars (42), another strip adoption connects goes up following mid point connecting line construction reinforced rib.