CN105774916A - Car rear threshold assembly - Google Patents
Car rear threshold assembly Download PDFInfo
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- CN105774916A CN105774916A CN201511031534.1A CN201511031534A CN105774916A CN 105774916 A CN105774916 A CN 105774916A CN 201511031534 A CN201511031534 A CN 201511031534A CN 105774916 A CN105774916 A CN 105774916A
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- back door
- door threshold
- plate
- inner panel
- guide rails
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D25/00—Superstructure or monocoque structure sub-units; Parts or details thereof not otherwise provided for
- B62D25/20—Floors or bottom sub-units
- B62D25/2009—Floors or bottom sub-units in connection with other superstructure subunits
- B62D25/2027—Floors or bottom sub-units in connection with other superstructure subunits the subunits being rear structures
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- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Body Structure For Vehicles (AREA)
Abstract
The invention discloses a car rear threshold assembly, comprising a rear threshold inner plate, a rear threshold lower support plate, a rear threshold guide rail mounting plate, a rear threshold reinforcing plate and a rear threshold inner plate sealing plate. The rear threshold inner plate and the rear threshold lower support plate are positioned below the rear threshold guide rail mounting plate and form a first cavity together with the rear threshold guide rail mounting plate; the rear threshold guide rail mounting plate is provided with a first end and a second end opposite to the first end; the first end faces to the direction of the head of the car and the second end is connected to the rear threshold inner plate sealing plate; the rear threshold reinforcing plate is arranged onto the rear threshold guide rail mounting plate and close to the second end; the rear threshold reinforcing plate, the rear threshold guide rail mounting plate, the rear threshold inner plate, the rear threshold inner plate sealing plate and a floor define a second cavity. The car rear threshold assembly is high in overall structure strength, capable of fully absorbing collision energy generated in the process of side impact, and can efficiently transfer and disperse various kinds of loads from the inside and outside of the car, so that the safety of the car is improved.
Description
Technical field
The present invention relates to automobile technical field, particularly relate to a kind of rear doorsill of automobile assembly.
Background technology
MPV automobile (Multi-PurposeVehicles, multipurpose automobile) is the automobile of the function integrating the roomy occupant space of station wagon, the comfortableness of car and van.MPV automobile is generally two van-type structures, compartment, front side is enging cabin, rear side compartment is occupant space and luggage space, the seat of lower 5-8 people can be arranged in rear side compartment, seat configuration is generally adopted two and drains into three rows, flexible arrangement, can all fold or fall, some can also all around move and even rotate, and this makes it have very big motility in internal structure.
Existing MPV automobile layout, based on vehicle structural, is produced on car platform, is typically directly adopted the body frame structure for automotive of car.The supporting construction that body frame structure for automotive is generally formed by multiple longitudinal and cross beams, body frame structure for automotive is the structure carrier of whole automobile, for supporting, connect each assembly (such as rear floor assembly, back door threshold assembly, rear wheel cover assembly, rear side wall assembly etc.) of automobile, make the position that the maintenance of each assembly is relatively correct, and bear the various load of automobile interior exterior.Rear doorsill of automobile assembly be arranged on below automobile B-column and below C post between and be positioned at the outside of longeron, be mainly used in carrying and the transmission stress from rear side wall assembly and rear wheel cover assembly.The back door of MPV automobile is generally adopted sliding door structure, sliding door is arranged on rear side wall assembly and back door threshold assembly by guide rail etc., therefore the design of vehicle body rear part structure is different from the body structure of general laterally opened car door, structure especially for back door threshold assembly, it still suffers from the weight of sliding door, cushions the stress etc. from sliding door, therefore, the structure of back door threshold assembly is had the requirement of significantly high intensity and rigidity.If further, there is side collision in the driving process of automobile, rear doorsill of automobile assembly is additionally operable to transmit and be dispersed in the collision energy produced in side collision process.The population structure intensity of the back door threshold assembly of existing MPV automobile is not enough, it is impossible to transmission and dispersion are from the various load inside and outside car effectively, cause that MPV automobile rear safety is limited.
Summary of the invention
It is an object of the invention to, it is provided that a kind of rear doorsill of automobile assembly, its population structure intensity is better, can fully absorb the collision energy produced in side collision process, and transmission and dispersion are from the various load inside and outside car effectively, improve the safety of automobile.
This invention address that it technical problem is that adopts following technical scheme to realize.
A kind of rear doorsill of automobile assembly, is suitable to be arranged on MPV automobile, and automobile includes floor and longeron, and the outside of the longeron that rear doorsill of automobile assembly is arranged also is connected with floor.Rear doorsill of automobile assembly includes back door threshold inner panel, back door threshold lower supporting plate, back door threshold guide rails assembling plate, back door threshold reinforcement plate and back door threshold inner panel shrouding.Back door threshold inner panel and back door threshold lower supporting plate are positioned at the lower section of back door threshold guide rails assembling plate and surround the first cavity with back door threshold guide rails assembling plate.Back door threshold guide rails assembling plate has the first relative end and the second end, first end is towards headstock direction, second end is connected to back door threshold inner panel shrouding, back door threshold is strengthened plate and is arranged on back door threshold guide rails assembling plate and near the second end, and back door threshold is strengthened plate and surrounded the second cavity with back door threshold guide rails assembling plate, back door threshold inner panel, back door threshold inner panel shrouding, floor.
In present pre-ferred embodiments, above-mentioned back door threshold guide rails assembling plate includes being main part and the connecting portion that angle is arranged, and main part includes the first connecting plate being positioned at the second end, and connecting portion includes the second connecting plate being positioned at the second end.Back door threshold strengthens the 3rd side and the four side that plate includes the first side that is oppositely arranged and second side, is connected between first side and second side and is oppositely arranged.Wherein, first side is connected to the second connecting plate, and second side is connected to back door threshold inner panel, and the 3rd side is connected to floor, and four side is connected to the first connecting plate.
In present pre-ferred embodiments, above-mentioned first side has the first extension, and the first extension is welded on the second connecting plate；Second side has the second extension, and the second extension is welded on back door threshold inner panel；3rd side has the 3rd extension, and the 3rd extension is welded on floor；Four side has the 4th extension, and the 4th extension is welded on the first connecting plate.First extension, the second extension, the 3rd extension and the 4th extension are all towards the first end of back door threshold guide rails assembling plate.
In present pre-ferred embodiments, aforementioned body portion has the first flange away from connecting portion side, and the first flange is connected to back door threshold inner panel, and connecting portion has the second flange away from main part side, and the second flange is connected to floor.
In present pre-ferred embodiments, the bearing of trend of above-mentioned first flange and the second flange is outside car.
In present pre-ferred embodiments, above-mentioned rear doorsill of automobile assembly also includes connecting plate before back door threshold inner panel, before back door threshold inner panel, connecting plate connects back door threshold inner panel, floor and longeron and forms the 3rd cavity, and the first end of back door threshold guide rails assembling plate is connected to before back door threshold inner panel on connecting plate.
In present pre-ferred embodiments, above-mentioned rear doorsill of automobile assembly also includes connecting plate and towing arm medial cradle after back door threshold inner panel, and after back door threshold inner panel, connecting plate connects back door threshold lower supporting plate, back door threshold guide rails assembling plate, floor and longeron.Towing arm medial cradle is connected to after back door threshold inner panel between connecting plate and back door threshold inner panel shrouding, towing arm medial cradle is also simultaneously connected with back door threshold guide rails assembling plate and longeron, connecting plate, towing arm medial cradle, back door threshold inner panel shrouding and back door threshold lower supporting plate, back door threshold guide rails assembling plate after back door threshold inner panel, surrounds the 4th cavity between floor and longeron.
In present pre-ferred embodiments, above-mentioned rear doorsill of automobile assembly also includes connecting plate in back door threshold inner panel, and in back door threshold inner panel, connecting plate is respectively connecting to the middle part of longeron, floor and back door threshold guide rails assembling plate and forms the 5th cavity.
In present pre-ferred embodiments, above-mentioned rear doorsill of automobile assembly also includes vehicle body and installs tail-bracket, and vehicle body is installed tail-bracket and is arranged in back door threshold inner panel connecting plate away from side, floor.
In present pre-ferred embodiments, above-mentioned floor has seepage-proof structure, and seepage-proof structure is disposed around in the floor edge of back door threshold guide rails assembling plate, and seepage-proof structure is directed towards the step protruding away from back door threshold guide rails assembling plate direction.
The invention has the beneficial effects as follows: rear doorsill of automobile assembly includes back door threshold inner panel, back door threshold lower supporting plate, back door threshold guide rails assembling plate, back door threshold reinforcement plate and back door threshold inner panel shrouding；Back door threshold inner panel and back door threshold lower supporting plate are positioned at the lower section of back door threshold guide rails assembling plate and surround the first cavity with back door threshold guide rails assembling plate；Back door threshold guide rails assembling plate has the first relative end and the second end, first end is towards headstock direction, second end is connected to back door threshold inner panel shrouding, back door threshold is strengthened plate and is arranged on back door threshold guide rails assembling plate and near the second end, back door threshold is strengthened plate and is surrounded the second cavity with back door threshold guide rails assembling plate, back door threshold inner panel, back door threshold inner panel shrouding, floor, when automobile generation side collision, back door threshold is strengthened plate and automotive C column is played a supporting role, and is effectively improved the collision performance in automotive C column region.Further, by connecting plate in connecting plate, back door threshold inner panel before back door threshold inner panel and connecting plate connection after back door threshold inner panel between rear doorsill of automobile assembly and longeron, make body platform distribution of force more reasonable, be conducive to the transmission of vehicle body stress, increase Side-impact safety.Further, towing arm medial cradle is connected to after back door threshold inner panel between connecting plate and back door threshold inner panel shrouding, and towing arm medial cradle is also simultaneously connected with back door threshold guide rails assembling plate and longeron；By connecting plate, towing arm medial cradle, back door threshold inner panel shrouding and back door threshold lower supporting plate, back door threshold guide rails assembling plate after back door threshold inner panel, between floor and longeron, surround the 4th cavity；Towing arm is arranged on towing arm medial cradle and back door threshold lower supporting plate, and the stress from towing arm is transferred on floor side member, back door threshold lower supporting plate and back door threshold guide rails assembling plate rapidly, is effectively improved the stability of towing arm.Rear doorsill of automobile assembly population structure intensity is better, can fully absorb the collision energy produced in side collision process, and transmission and dispersion are from the various load inside and outside car effectively, improve the safety of automobile.
Described above is only the general introduction of technical solution of the present invention, in order to better understand the technological means of the present invention, and can be practiced according to the content of description, and in order to the above-mentioned rear doorsill of automobile assembly of the present invention and other purposes, feature and advantage can be become apparent, below especially exemplified by preferred embodiment, and coordinate accompanying drawing, describe in detail.
Accompanying drawing explanation
Fig. 1 is the rear doorsill of automobile assembly of present pre-ferred embodiments position relationship on automobile chassis.
Fig. 2 is the structural representation that the rear doorsill of automobile assembly of present pre-ferred embodiments is connected with floor.
Fig. 3 is the structural representation at another visual angle that the rear doorsill of automobile assembly of present pre-ferred embodiments is connected with floor.
Fig. 4 is the rear doorsill of automobile assembly connection diagram with longeron, floor of present pre-ferred embodiments.
Fig. 5 a is the structural representation of the rear doorsill of automobile assembly of present pre-ferred embodiments.
Fig. 5 b is the right view of Fig. 5 a.
Fig. 5 c is the left view of Fig. 5 a.
Fig. 5 d is the top view of Fig. 5 a.
Fig. 5 e is the upward view of Fig. 5 a.
Fig. 6 is the structural representation of the back door threshold guide rails assembling plate of present pre-ferred embodiments.
Fig. 7 is the profile of VII-VII line along Fig. 2.
Fig. 8 is the sectional view of VIII-VIII line along Fig. 3.
Detailed description of the invention
For further setting forth that the present invention reaches technological means and effect that predetermined goal of the invention is taked, below in conjunction with accompanying drawing and preferred embodiment, to the detailed description of the invention of rear doorsill of automobile assembly proposed according to the present invention, structure, feature and effect thereof, describe in detail as follows.
For the present invention aforementioned and other technology contents, feature and effect, can clearly appear from following cooperation is with reference to the detailed description of graphic preferred embodiment.By the explanation of detailed description of the invention, when can be reach technological means that predetermined purpose takes and effect is able to more deeply and concrete understanding to the present invention, however institute's accompanying drawings be only to provide with reference to and purposes of discussion, be not used for the present invention is any limitation as.
Fig. 1 is the rear doorsill of automobile assembly of present pre-ferred embodiments position relationship on automobile chassis, Fig. 2 is the structural representation that the rear doorsill of automobile assembly of present pre-ferred embodiments is connected with floor, Fig. 3 is the structural representation at another visual angle that the rear doorsill of automobile assembly of present pre-ferred embodiments is connected with floor, Fig. 4 is rear doorsill of automobile assembly and the longeron of present pre-ferred embodiments, the connection diagram on floor, please join Fig. 1 to Fig. 4, automobile includes body frame structure for automotive 300 and the floor 200 extended in body frame structure for automotive 300 scope, floor 200 includes front floor 201 and rear floor 202, body frame structure for automotive includes the many crossbeams 302 that two longerons 301 are connected between two longerons 301.Rear doorsill of automobile assembly 100 is positioned at the both sides of automobile, and in Fig. 1, arrow X-direction is towards headstock direction, and Fig. 2 to Fig. 4 all depicts the rear doorsill of automobile assembly 100 of automobile left side position.The rear doorsill of automobile assembly 100 of the present embodiment is suitable to be arranged on MPV automobile, and the outside of longeron 301 that rear doorsill of automobile assembly 100 is arranged also is connected with floor 200.
Fig. 5 a to Fig. 5 e is the structural representation of the rear doorsill of automobile assembly of present pre-ferred embodiments, Fig. 6 is the structural representation of the back door threshold guide rails assembling plate of present pre-ferred embodiments, Fig. 7 is the profile of VII-VII line along Fig. 2, seeing also Fig. 2 to 7, rear doorsill of automobile assembly 100 includes back door threshold inner panel 110, back door threshold lower supporting plate 120, back door threshold guide rails assembling plate 130, back door threshold reinforcement plate 140 and back door threshold inner panel shrouding 156.
Back door threshold inner panel 110 and back door threshold lower supporting plate 120 are positioned at the lower section of back door threshold guide rails assembling plate 130 and surround the first cavity 1001 with back door threshold guide rails assembling plate 130.
Specifically, back door threshold inner panel 110 is positioned at the lower section of back door threshold guide rails assembling plate 130, including back door threshold inner panel body 112 and back door threshold inner panel flange 114, back door threshold inner panel flange 114 is for being connected with back door threshold guide rails assembling plate 130, and its contour shape coordinates with back door threshold guide rails assembling plate 130.In the present embodiment, back door threshold inner panel flange 114 extends towards being perpendicular to back door threshold inner panel body 112 direction, and its bearing of trend is directed away from longeron 301 direction (namely outer towards car).
Back door threshold lower supporting plate 120 also is located at the lower section of back door threshold guide rails assembling plate 130.Back door threshold lower supporting plate 120 is welded on back door threshold inner panel body 112 along a lateral edges in motor vehicle length direction, opposite side edge is welded on back door threshold guide rails assembling plate 130, and back door threshold guide rails assembling plate 130 and back door threshold inner panel 110, back door threshold lower supporting plate 120 surround the first cavity 1001 (ginseng Fig. 7).
Referring to Fig. 6, back door threshold guide rails assembling plate 130 has the first relative end 1301 and the second end 1302, and the first end 1301 is towards headstock direction, and the second end 1302 is connected to back door threshold inner panel shrouding 156.Back door threshold guide rails assembling plate 130 includes being main part 131 and the connecting portion 132 that angle is arranged, and wherein, main part 131 includes the first connecting plate 133 being positioned at the second end 1302, and connecting portion 132 includes the second connecting plate 134 being positioned at the second end 1302；First connecting plate 133 is connected with the second connecting plate 134 and cross section is "L" shaped.
Main part 131 has the first flange 1311 away from connecting portion 132 side, and the first flange 1311 is connected on the back door threshold inner panel flange 114 of back door threshold inner panel 110.Connecting portion 132 has the second flange 1321 away from main part 131 side, and the second flange 1321 is connected to floor 200.In the present embodiment, the bearing of trend of the first flange 1311 and the second flange 1321 is all outside car, and this kind of structure effectively reduces welding dead angle, reduces welding gun ground selection requirements.Back door threshold guide rails assembling plate 130 adopts monoblock type to become moulding process to make, and solder joint is less, lightweight, and sealing is better.
Second end 1302 of threshold guide rails assembling plate 130 also has the 3rd flange (figure does not mark), and the second end 1302 of threshold guide rails assembling plate 130 is by the 3rd flanging welded to back door threshold inner panel shrouding 156.
Fig. 8 is the sectional view of VIII-VIII line along Fig. 3, refers to Fig. 3, Fig. 4 and Fig. 8, and back door threshold is strengthened plate 140 and is arranged on back door threshold guide rails assembling plate 130 and near the second end 1302.Back door threshold strengthens plate 140 in quadrilateral structure, including the first side 141 being oppositely arranged and second side 142, the 3rd side 143 and the four side 144 that be connected between first side 141 and second side 142 and be oppositely arranged.Wherein, first side 141 is connected to the second connecting plate 134 of back door threshold guide rails assembling plate 130, second side 142 is connected to the back door threshold inner panel body 112 of back door threshold inner panel 110,3rd side 143 is connected to floor 200 (rear floor 202), and four side 144 is connected to the first connecting plate 133 of back door threshold guide rails assembling plate 130.Back door threshold inner panel shrouding 156 is welded on the second end 1302 of back door threshold guide rails assembling plate 130 and is soldered to rear floor 202 and back door threshold inner panel 110 simultaneously, and back door threshold is strengthened plate 140 and surrounded the second cavity 1002 with back door threshold guide rails assembling plate 130, back door threshold inner panel 110, back door threshold inner panel shrouding 156, floor 200.When automobile generation side collision, back door threshold is strengthened plate 140 and automotive C column is played a supporting role, and is effectively improved the collision performance in automotive C column region.
In the present embodiment, first side 141 has the first extension 1411, and the first extension 1411 is welded on the second connecting plate 134；Second side 142 has the second extension 1421, and the second extension 1421 is welded on back door threshold inner panel 110；3rd side 143 has the 3rd extension 1431, and the 3rd extension 1431 is welded on floor 200；Four side 144 has the 4th extension 1441, and the 4th extension 1441 is welded on the first connecting plate 133.First extension the 131, second extension the 1421, the 3rd extension 1431 and the 4th extension 1441 are all towards the first end 1301 of back door threshold guide rails assembling plate 130, further increase back door threshold and strengthen the bonding strength between plate 140 and back door threshold guide rails assembling plate 130, back door threshold inner panel 110, floor 200, too increase the rigidity in this region of rear doorsill of automobile assembly 100.
Rear doorsill of automobile assembly 100 also includes connecting plate 150 before back door threshold inner panel, before back door threshold inner panel, connecting plate 150 is positioned at the lower section of automobile B-column, and before back door threshold inner panel, connecting plate 150 is respectively connecting to back door threshold inner panel 110, floor 200 and longeron 301 by welding flange and forms the 3rd cavity 1003.First end 1301 of back door threshold guide rails assembling plate 130 is connected to before back door threshold inner panel on connecting plate 150.When automobile generation side collision, a part of collision energy is absorbed by connecting plate 150 before back door threshold inner panel, and another part is transferred to longeron 301 and floor 200, is effectively improved the collision performance in automobile B-column region.
Rear doorsill of automobile assembly 100 also includes connecting plate 152 and towing arm medial cradle 154 after back door threshold inner panel.After back door threshold inner panel, connecting plate 152 is arranged on the lower section of automotive C column and the second end 1302 of close back door threshold guide rails assembling plate 130.After back door threshold inner panel, connecting plate 152 is respectively connecting to back door threshold lower supporting plate 120, back door threshold guide rails assembling plate 130, floor 200 and longeron 301 by welding flange.
Towing arm medial cradle 154 is connected to after back door threshold inner panel between connecting plate 152 and back door threshold inner panel shrouding 156, towing arm medial cradle 154 is also located at second connecting plate 134 surface away from back door threshold inner panel 110 side, and namely back door threshold reinforcement plate 140 is separately positioned on two relative surfaces of the second connecting plate 134 with towing arm medial cradle 154.Towing arm medial cradle 154 is also simultaneously connected with back door threshold guide rails assembling plate 130 and longeron 301, connecting plate 152, towing arm medial cradle 154, back door threshold inner panel shrouding 156 and back door threshold lower supporting plate 120, back door threshold guide rails assembling plate 130 after back door threshold inner panel, surrounds the 4th cavity 1004 between floor 200 and longeron 301.nullThe mounting groove 183 to direction, floor 200 depression is formed between towing arm medial cradle 154 and back door threshold guide rails assembling plate 130，Towing arm medial cradle 154 is provided with the first installation point 181，Back door threshold lower supporting plate 120 is provided with the second installation point 182，And second install point run through back door threshold lower supporting plate 120 simultaneously、Back door threshold guide rails assembling plate 130 and back door threshold strengthen plate 140，The installation end of towing arm (not shown) is arranged on the first installation point 181 and second by welded nut 184 and installs on point 182 and be positioned at mounting groove 183，Stress from towing arm is installed point 181 by the first of towing arm medial cradle 154 and is transferred to floor side member 112、By second, point 182 is installed to be transferred on back door threshold lower supporting plate 120 and back door threshold guide rails assembling plate 130，It is effectively improved the stability of towing arm.
One end of back door threshold inner panel shrouding 156 connects back door threshold inner panel 110 other end longitudinal beam connected 301, back door threshold inner panel shrouding 156 is also connected simultaneously to rear floor 202, back door threshold lower supporting plate 120, back door threshold guide rails assembling plate 130 and towing arm medial cradle 154, is encapsulated near the end of rear tyre by rear doorsill of automobile assembly 100.
Rear doorsill of automobile assembly 100 also includes connecting plate 160 in back door threshold inner panel, in back door threshold inner panel, connecting plate 160 is arranged before back door threshold inner panel after connecting plate 150 and back door threshold inner panel between connecting plate 152, and in back door threshold inner panel, connecting plate 160 is respectively connecting to the middle part of longeron 301, floor 200 and back door threshold guide rails assembling plate 130 by welding flange and forms the 5th cavity 1005.In back door threshold inner panel, connecting plate 160 adds the bonding strength between middle part and the longeron 301 of back door threshold guide rails assembling plate 130.
Rear doorsill of automobile assembly 100 also includes vehicle body and installs tail-bracket 170, and vehicle body is installed tail-bracket 170 and is arranged in back door threshold inner panel connecting plate 160 away from side, floor 200.
In the present embodiment, floor 200 has seepage-proof structure 210, please join Fig. 2 and Fig. 7, and seepage-proof structure 210 is disposed around on the edge, floor 200 of back door threshold guide rails assembling plate 130, and is positioned at above the second flange 1321 of back door threshold guide rails assembling plate 130.Seepage-proof structure 210 is such as directed towards the ledge structure protruding away from back door threshold guide rails assembling plate 130 direction, is just not limited thereto.The straight flange of the reserved one fixed width of outer rim of infiltration structure 210, is beneficial to diel trimming, extends die life.Seepage-proof structure 210 can invade from floor 200 and cause motor damage by preventing water drops.
The back door threshold guide rails assembling plate 130 of rear doorsill of automobile assembly 100 coordinates floor 200 to adopt open design with other back door threshold structure, back door threshold guide rails assembling plate 130 uses with sliding door guide rail, and it is applicable to the situation that sliding door guide rail position is on the lower side relative to floor 200, sliding door guide rail can be directly mounted on back door threshold guide rails assembling plate 130, facilitates the installation of sliding door guide rail, dismounting and later maintenance.
The rear doorsill of automobile assembly 100 of the present invention includes back door threshold inner panel 110, back door threshold lower supporting plate 120, back door threshold guide rails assembling plate 130, back door threshold reinforcement plate 140 and back door threshold inner panel shrouding 156；Back door threshold inner panel 110 and back door threshold lower supporting plate 120 are positioned at the lower section of back door threshold guide rails assembling plate 130 and surround the first cavity 1001 with back door threshold guide rails assembling plate 130；Back door threshold guide rails assembling plate 130 has the first relative end 1301 and the second end 1302, first end 1301 is towards headstock direction, second end 1302 is connected to back door threshold inner panel shrouding 156, back door threshold is strengthened plate 140 and is arranged on back door threshold guide rails assembling plate 130 and near the second end 1302, back door threshold strengthens plate 140 and back door threshold guide rails assembling plate 130, back door threshold inner panel 110, back door threshold inner panel shrouding 156, floor 200 surrounds the second cavity 1002, when automobile generation side collision, back door threshold is strengthened plate 140 and automotive C column is played a supporting role, it is effectively improved the collision performance in automotive C column region.
Further, between rear doorsill of automobile assembly 100 and longeron 301 by connecting plate 160 in connecting plate 150, back door threshold inner panel before back door threshold inner panel and after back door threshold inner panel connecting plate 152 connect, make body platform 200 distribution of force more reasonable, be conducive to the transmission of vehicle body stress, increase Side-impact safety.
Further, towing arm medial cradle 154 is connected to after back door threshold inner panel between connecting plate 152 and back door threshold inner panel shrouding 156, and towing arm medial cradle 154 is also simultaneously connected with back door threshold guide rails assembling plate 130 and longeron 301；By connecting plate 152, towing arm medial cradle 154, back door threshold inner panel shrouding 156 and back door threshold lower supporting plate 120, back door threshold guide rails assembling plate 130 after back door threshold inner panel, between floor 200 and longeron 301, surround the 4th cavity；Towing arm is arranged on towing arm medial cradle 154 and back door threshold lower supporting plate 120, and the stress from towing arm is transferred on floor side member 112, back door threshold lower supporting plate 120 and back door threshold guide rails assembling plate 130 rapidly, is effectively improved the stability of towing arm.
Rear doorsill of automobile assembly 100 population structure intensity is better, can fully absorb the collision energy produced in side collision process, and transmission and dispersion are from the various load inside and outside car effectively, improve the safety of automobile.
Above rear doorsill of automobile assembly provided by the present invention is described in detail, principles of the invention and embodiment are set forth by specific case used herein, and the explanation of above example is only intended to help to understand method and the core concept thereof of the present invention；Simultaneously for one of ordinary skill in the art, according to the thought of the present invention, all will change in specific embodiments and applications, in sum, this specification content should not be construed as limitation of the present invention.
Claims (10)
1. a rear doorsill of automobile assembly, be suitable to be arranged on MPV automobile, described automobile includes floor (200) and longeron (301), the outside of the described longeron (301) that described rear doorsill of automobile assembly (100) is arranged also is connected with described floor (200), it is characterized in that, described rear doorsill of automobile assembly (100) includes back door threshold inner panel (110), back door threshold lower supporting plate (120), back door threshold guide rails assembling plate (130), back door threshold reinforcement plate (140) and back door threshold inner panel shrouding (156)；Described back door threshold inner panel (110) and described back door threshold lower supporting plate (120) are positioned at the lower section of described back door threshold guide rails assembling plate (130) and surround the first cavity (1001) with described back door threshold guide rails assembling plate (130)；Described back door threshold guide rails assembling plate (130) has relative the first end (1301) and the second end (1302), described first end (1301) is towards headstock direction, described second end (1302) is connected to described back door threshold inner panel shrouding (156), described back door threshold is strengthened plate (140) and is arranged on described back door threshold guide rails assembling plate (130) and near described second end (1302), described back door threshold strengthens plate (140) and described back door threshold guide rails assembling plate (130), described back door threshold inner panel (110), described back door threshold inner panel shrouding (156), described floor (200) surrounds the second cavity (1002).
2. rear doorsill of automobile assembly as claimed in claim 1, it is characterized in that, described back door threshold guide rails assembling plate (130) includes being main part (131) and the connecting portion (132) that angle is arranged, described main part (131) includes the first connecting plate (133) being positioned at described second end (1302), and described connecting portion (132) includes the second connecting plate (134) being positioned at described second end (1302)；Described back door threshold strengthens the 3rd side (143) and the four side (144) that plate (140) includes the first side (141) that is oppositely arranged and second side (142), is connected between described first side (141) and described second side (142) and is oppositely arranged；Wherein, described first side (141) is connected to described second connecting plate (134), described second side (142) is connected to described back door threshold inner panel (110), described 3rd side (143) is connected to described floor (200), and described four side (144) is connected to described first connecting plate (133).
3. rear doorsill of automobile assembly as claimed in claim 2, it is characterized in that, described first side (141) has the first extension (1411), and described first extension (1411) is welded on described second connecting plate (134)；Described second side (142) has the second extension (1421), and described second extension (1421) is welded on described back door threshold inner panel (110)；Described 3rd side (143) has the 3rd extension (1431), and described 3rd extension (1431) is welded on described floor (200)；Described four side (144) has the 4th extension (1441), and described 4th extension (1441) is welded on described first connecting plate (133)；Described first extension (1411), described second extension (1421), described 3rd extension (1431) and described 4th extension (1441) are all towards first end (1301) of described back door threshold guide rails assembling plate (130).
4. rear doorsill of automobile assembly as claimed in claim 2, it is characterized in that, described main part (131) has the first flange (1311) away from described connecting portion (132) side, described first flange (1311) is connected to described back door threshold inner panel (110), described connecting portion (132) has the second flange (1321) away from described main part (131) side, and described second flange (1321) is connected to described floor (200).
5. rear doorsill of automobile assembly as claimed in claim 4, is characterized in that, the bearing of trend of described first flange (1311) and described second flange (1321) is outside car.
6. rear doorsill of automobile assembly as claimed in claim 1, it is characterized in that, described rear doorsill of automobile assembly (100) also includes connecting plate (150) before back door threshold inner panel, before described back door threshold inner panel, connecting plate (150) connects described back door threshold inner panel (110), described floor (200) and described longeron (301) and forms the 3rd cavity (1003), and first end (1301) of described back door threshold guide rails assembling plate (130) is connected to before described back door threshold inner panel on connecting plate (150).
7. rear doorsill of automobile assembly as claimed in claim 1, it is characterized in that, described rear doorsill of automobile assembly (100) also includes connecting plate (152) and towing arm medial cradle (154) after back door threshold inner panel, and after described back door threshold inner panel, connecting plate (152) connects described back door threshold lower supporting plate (120), described back door threshold guide rails assembling plate (130), described floor (200) and described longeron (301)；Described towing arm medial cradle (154) is connected to after described back door threshold inner panel between connecting plate (152) and described back door threshold inner panel shrouding (156), described towing arm medial cradle (154) is also simultaneously connected with described back door threshold guide rails assembling plate (130) and described longeron (301), connecting plate (152) after described back door threshold inner panel, described towing arm medial cradle (154), described back door threshold inner panel shrouding (156) and described back door threshold lower supporting plate (120), described back door threshold guide rails assembling plate (130), the 4th cavity (1004) is surrounded between described floor (200) and described longeron (301).
8. rear doorsill of automobile assembly as claimed in claim 1, it is characterized in that, described rear doorsill of automobile assembly (100) also includes connecting plate (160) in back door threshold inner panel, and in described back door threshold inner panel, connecting plate (160) is respectively connecting to the middle part of described longeron (301), described floor (200) and described back door threshold guide rails assembling plate (130) and forms the 5th cavity (1005).
9. rear doorsill of automobile assembly as claimed in claim 8, it is characterized in that, described rear doorsill of automobile assembly (100) also includes vehicle body and installs tail-bracket (170), and described vehicle body is installed tail-bracket (170) and is arranged in described back door threshold inner panel connecting plate (160) away from described floor (200) side.
10. rear doorsill of automobile assembly as claimed in claim 1, it is characterized in that, described floor (200) has seepage-proof structure (210), described seepage-proof structure (210) is disposed around on described floor (200) edge of described back door threshold guide rails assembling plate (130), and described seepage-proof structure (210) is directed towards the step protruding away from described back door threshold guide rails assembling plate (130) direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201511031534.1A CN105774916B (en) | 2015-12-30 | 2015-12-30 | Rear doorsill of automobile assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201511031534.1A CN105774916B (en) | 2015-12-30 | 2015-12-30 | Rear doorsill of automobile assembly |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105774916A true CN105774916A (en) | 2016-07-20 |
| CN105774916B CN105774916B (en) | 2018-04-20 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201511031534.1A Active CN105774916B (en) | 2015-12-30 | 2015-12-30 | Rear doorsill of automobile assembly |
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| Country | Link |
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| CN (1) | CN105774916B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112874633A (en) * | 2021-03-19 | 2021-06-01 | 重庆长安汽车股份有限公司 | Rear frame connecting piece and mounting structure thereof |
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|---|---|---|---|---|
| JP2000168625A (en) * | 1998-12-03 | 2000-06-20 | Aichi Mach Ind Co Ltd | Structure of slide door attaching part of automobile |
| CN104648487A (en) * | 2013-11-18 | 2015-05-27 | 通用汽车环球科技运作有限责任公司 | Composite component for a motor vehicle body |
| CN204527354U (en) * | 2015-03-06 | 2015-08-05 | 北京汽车股份有限公司 | A kind of automobile door sill reinforcing structure and automobile |
| CN205273631U (en) * | 2015-12-30 | 2016-06-01 | 广州汽车集团股份有限公司 | Threshold assembly behind automobile |
-
2015
- 2015-12-30 CN CN201511031534.1A patent/CN105774916B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000168625A (en) * | 1998-12-03 | 2000-06-20 | Aichi Mach Ind Co Ltd | Structure of slide door attaching part of automobile |
| CN104648487A (en) * | 2013-11-18 | 2015-05-27 | 通用汽车环球科技运作有限责任公司 | Composite component for a motor vehicle body |
| CN204527354U (en) * | 2015-03-06 | 2015-08-05 | 北京汽车股份有限公司 | A kind of automobile door sill reinforcing structure and automobile |
| CN205273631U (en) * | 2015-12-30 | 2016-06-01 | 广州汽车集团股份有限公司 | Threshold assembly behind automobile |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112874633A (en) * | 2021-03-19 | 2021-06-01 | 重庆长安汽车股份有限公司 | Rear frame connecting piece and mounting structure thereof |
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| Publication number | Publication date |
|---|---|
| CN105774916B (en) | 2018-04-20 |
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Effective date of registration: 20180704 Address after: 510030 23 building, Cheng Yue mansion 448-458, Dongfeng Middle Road, Yuexiu District, Guangzhou, Guangdong. Co-patentee after: Guangzhou GAC Group Motor Co., Ltd. Patentee after: Guangzhou Automobile Group Co., Ltd. Address before: 510000 23 building, Cheng Yue mansion 448-458, Dongfeng Middle Road, Yuexiu District, Guangzhou, Guangdong. Patentee before: Guangzhou Automobile Group Co., Ltd. |
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Address after: 23 building, 448-458 Yue Cheng Building, No. 510030 Dongfeng Road, Guangzhou, Guangdong, Yuexiu District Co-patentee after: Guangzhou Automobile Passenger Car Co., Ltd. Patentee after: Guangzhou Automobile Group Co., Ltd. Address before: 23 building, 448-458 Yue Cheng Building, No. 510030 Dongfeng Road, Guangzhou, Guangdong, Yuexiu District Co-patentee before: Guangzhou GAC Group Motor Co., Ltd. Patentee before: Guangzhou Automobile Group Co., Ltd. |
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