CN105774916B - Rear doorsill of automobile assembly - Google Patents
Rear doorsill of automobile assembly Download PDFInfo
- Publication number
- CN105774916B CN105774916B CN201511031534.1A CN201511031534A CN105774916B CN 105774916 B CN105774916 B CN 105774916B CN 201511031534 A CN201511031534 A CN 201511031534A CN 105774916 B CN105774916 B CN 105774916B
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- Prior art keywords
- back door
- door threshold
- inner panel
- plate
- guide rail
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- 238000007789 sealing Methods 0.000 claims abstract description 32
- 230000003014 reinforcing effect Effects 0.000 claims abstract description 25
- 238000009434 installation Methods 0.000 claims description 9
- 230000002035 prolonged effect Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 9
- 238000003466 welding Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000000007 visual effect Effects 0.000 description 2
- 240000002853 Nelumbo nucifera Species 0.000 description 1
- 235000006508 Nelumbo nucifera Nutrition 0.000 description 1
- 235000006510 Nelumbo pentapetala Nutrition 0.000 description 1
- 244000131316 Panax pseudoginseng Species 0.000 description 1
- 235000005035 Panax pseudoginseng ssp. pseudoginseng Nutrition 0.000 description 1
- 235000003140 Panax quinquefolius Nutrition 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 235000008434 ginseng Nutrition 0.000 description 1
- 230000008595 infiltration Effects 0.000 description 1
- 238000001764 infiltration Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 229910000679 solder Inorganic materials 0.000 description 1
- 238000009966 trimming Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- 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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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Body Structure For Vehicles (AREA)
Abstract
A kind of rear doorsill of automobile assembly, including back door threshold inner panel, back door threshold lower supporting plate, back door threshold guide rail installing plate, back door threshold reinforcing plate and back door threshold inner panel sealing plate；Back door threshold inner panel and back door threshold lower supporting plate are located at the lower section of back door threshold guide rail installing plate and surround the first cavity with back door threshold guide rail installing plate；Back door threshold guide rail installing plate has opposite first end and second end, first end is towards headstock direction, second end is connected to back door threshold inner panel sealing plate, back door threshold reinforcing plate is arranged on back door threshold guide rail installing plate and surrounds the second cavity with back door threshold guide rail installing plate, back door threshold inner panel, back door threshold inner panel sealing plate, floor close to second end, back door threshold reinforcing plate.Rear doorsill of automobile assembly overall structure intensity is preferable, can fully absorb the collision energy produced during side collision, effectively transmits and disperses the various load outside in-car, improves the security of automobile.
Description
Technical field
The present invention relates to automobile technical field, more particularly to a kind of rear doorsill of automobile assembly.
Background technology
MPV automobiles (Multi-Purpose Vehicles, multipurpose automobile) are the roomy occupant space of collection station wagon, car
Comfort and cargo function automobile.MPV automobiles are generally two van-type structures, and front side compartment is engine
Cabin, rear side compartment are occupant space and luggage space, and the seat of lower 5-8 people, seat configuration one can be arranged in rear side compartment
As using two drain into three rows, flexible arrangement, all can fold or fall, some can also all around move or even rotate, this
Make it that there is very big flexibility in internal structure.
Existing MPV automobiles layout is produced on car platform, generally directly adopted based on vehicle structural
With the body frame structure for automotive of car.The supporting structure that body frame structure for automotive is generally formed by multiple longitudinal and cross beams, body frame structure for automotive are whole vapour
The structure carrier of car, be used to support, connect automobile each assembly (such as rear floor assembly, back door threshold assembly, rear wheel cover assembly, after
Side wall assembly etc.), each assembly is kept relatively correct position, and bear the various load of automobile interior exterior.Rear doorsill of automobile is total
Into be arranged on below automobile B-column and below C columns between and positioned at the outside of longeron, be mainly used for carrying and transmit and come from rear side wall
The stress of assembly and rear wheel cover assembly.The back door of MPV automobiles is generally installed on using sliding door, sliding door by guide rail etc.
On rear side wall assembly and back door threshold assembly, therefore the design of vehicle body rear part structure is different from the vehicle body knot of general laterally opened car door
Structure, especially for the structure of back door threshold assembly, it still suffers from the weight of sliding door, the stress of buffering from sliding door etc.,
Therefore, there is the requirement of very high intensity and rigidity to the structure of back door threshold assembly.If further more, occur during the traveling of automobile
Side collision, rear doorsill of automobile assembly are additionally operable to transmit and are dispersed in the collision energy that is produced during side collision.It is existing
The overall structure intensity deficiency of the back door threshold assembly of MPV automobiles, can not effectively transmit and disperse the various loads outside in-car
Lotus, causes MPV automobile rear securities limited.
The content of the invention
It is an object of the present invention to provide a kind of rear doorsill of automobile assembly, its overall structure intensity is preferable, can fully inhale
The collision energy produced during side collision is received, effectively transmits and disperses the various load outside in-car, improve vapour
The security of car.
The present invention, which solves its technical problem, to be realized using following technical solution.
A kind of rear doorsill of automobile assembly, suitable for being arranged on MPV automobiles, automobile includes floor and longeron, rear doorsill of automobile
The outside for the longeron that assembly is set simultaneously is connected with floor.Rear doorsill of automobile assembly include back door threshold inner panel, back door threshold lower supporting plate,
Back door threshold guide rail installing plate, back door threshold reinforcing plate and back door threshold inner panel sealing plate.Back door threshold inner panel and back door threshold lower supporting plate are located at
The lower section of back door threshold guide rail installing plate simultaneously surrounds the first cavity with back door threshold guide rail installing plate.Back door threshold guide rail installing plate has phase
To first end and second end, for first end towards headstock direction, second end is connected to back door threshold inner panel sealing plate, back door threshold reinforcing plate
It is arranged on back door threshold guide rail installing plate and in second end, back door threshold reinforcing plate and back door threshold guide rail installing plate, back door threshold
Plate, back door threshold inner panel sealing plate, floor surround the second cavity.
In present pre-ferred embodiments, above-mentioned back door threshold guide rail installing plate includes main part and the connection set in angle
Portion, main part include the first connecting plate positioned at second end, and connecting portion includes the second connecting plate positioned at second end.Back door threshold adds
Strong plate includes the first side being oppositely arranged and second side, is connected between first side and second side and is oppositely arranged
3rd side and four side.Wherein, first side is connected to the second connecting plate, and second side is connected to back door threshold inner panel, the
Three sides are 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 company
On fishplate bar；Second side has the second extension, and the second extension is welded on back door threshold inner panel；3rd side has the 3rd to prolong
Extending portion, the 3rd extension are welded on floor；Four side has the 4th extension, and the 4th extension is welded on the first connecting plate
On.First extension, the second extension, the 3rd extension and the 4th extension are towards the first of back door threshold guide rail installing plate
End.
In present pre-ferred embodiments, aforementioned body portion has the first flange, the connection of the first flange away from connecting portion side
To back door threshold inner panel, 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 extending direction of above-mentioned first flange and the second flange is towards outside car.
In present pre-ferred embodiments, above-mentioned rear doorsill of automobile assembly further includes connecting plate before back door threshold inner panel, back door threshold
Connecting plate connection back door threshold inner panel, floor and longeron and the 3rd cavity of formation, the first end of back door threshold guide rail installing plate before inner panel
It is connected to before back door threshold inner panel on connecting plate.
In present pre-ferred embodiments, above-mentioned rear doorsill of automobile assembly further includes connecting plate and towing arm after back door threshold inner panel
Medial cradle, connecting plate connection back door threshold lower supporting plate, back door threshold guide rail installing plate, floor and longeron after back door threshold inner panel.Drag
Drag arm medial cradle to be connected to after back door threshold inner panel between connecting plate and back door threshold inner panel sealing plate, towing arm medial cradle is also at the same time
Connect back door threshold guide rail installing plate and longeron, connecting plate after back door threshold inner panel, towing arm medial cradle, back door threshold inner panel sealing plate with
The 4th cavity is surrounded between back door threshold lower supporting plate, back door threshold guide rail installing plate, floor and longeron.
In present pre-ferred embodiments, above-mentioned rear doorsill of automobile assembly further includes connecting plate in back door threshold inner panel, back door threshold
Connecting plate is respectively connected to longeron, the middle part on floor and back door threshold guide rail installing plate and the 5th cavity of formation in inner panel.
In present pre-ferred embodiments, above-mentioned rear doorsill of automobile assembly further includes vehicle body installation tail-bracket, after vehicle body installation
Bracket is arranged in back door threshold inner panel connecting plate away from floor side.
In present pre-ferred embodiments, above-mentioned floor has seepage-proof structure, and seepage-proof structure is disposed around back door threshold
In the floor edge of guide rail installing plate, seepage-proof structure is directed towards the step away from back door threshold guide rail installing plate direction protrusion.
The beneficial effects of the invention are as follows：Rear doorsill of automobile assembly includes back door threshold inner panel, back door threshold lower supporting plate, back door threshold
Guide rail installing plate, back door threshold reinforcing plate and back door threshold inner panel sealing plate；Back door threshold inner panel and back door threshold lower supporting plate are located at back door threshold
The lower section of guide rail installing plate simultaneously surrounds the first cavity with back door threshold guide rail installing plate；Back door threshold guide rail installing plate has opposite the
One end and second end, for first end towards headstock direction, second end is connected to back door threshold inner panel sealing plate, and back door threshold reinforcing plate is arranged on
On back door threshold guide rail installing plate and close to second end, back door threshold reinforcing plate and back door threshold guide rail installing plate, back door threshold inner panel, back door
Sill inner panel sealing plate, floor surround the second cavity, and when side collision occurs for automobile, back door threshold reinforcing plate plays automotive C column branch
Support acts on, and effectively improves the collision performance in automotive C column region.Further, pass through between rear doorsill of automobile assembly and longeron
Connecting plate is connected with connecting plate after back door threshold inner panel in connecting plate, back door threshold inner panel before back door threshold inner panel, makes body platform stress
Distribution is more reasonable, is conducive to the transmission of vehicle body stress, increases Side-impact safety.Further, towing arm medial cradle
It is connected to after back door threshold inner panel between connecting plate and back door threshold inner panel sealing plate, towing arm medial cradle also connects back door threshold at the same time and leads
Rail installing plate and longeron；By being propped up after back door threshold inner panel under connecting plate, towing arm medial cradle, back door threshold inner panel sealing plate and back door threshold
The 4th cavity is surrounded between fagging, back door threshold guide rail installing plate, floor and longeron；Towing arm be arranged on towing arm medial cradle and
On back door threshold lower supporting plate, the stress from towing arm is rapidly transferred to floor side member, back door threshold lower supporting plate and back door threshold and leads
On rail installing plate, the stability of towing arm is effectively improved.Rear doorsill of automobile assembly overall structure intensity is preferable, can fully inhale
The collision energy produced during side collision is received, effectively transmits and disperses the various load outside in-car, improve vapour
The security of car.
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 specification, and in order to allow the present invention above-mentioned rear doorsill of automobile assembly and other purposes,
Feature and advantage can become apparent, and below especially exemplified by preferred embodiment, and coordinate attached drawing, describe in detail.
Brief description of the drawings
Fig. 1 is position relationship of the rear doorsill of automobile assembly of present pre-ferred embodiments on automobile chassis.
Fig. 2 is the structure diagram 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
Figure.
Fig. 4 is the rear doorsill of automobile assembly and longeron, the connection diagram on floor of present pre-ferred embodiments.
Fig. 5 a are the structure diagrams of the rear doorsill of automobile assembly of present pre-ferred embodiments.
Fig. 5 b are the right views of Fig. 5 a.
Fig. 5 c are the left views of Fig. 5 a.
Fig. 5 d are the top views of Fig. 5 a.
Fig. 5 e are the bottom views of Fig. 5 a.
Fig. 6 is the structure diagram of the back door threshold guide rail installing 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.
Embodiment
Further to illustrate the present invention to reach the technological means and effect that predetermined goal of the invention is taken, below in conjunction with
Attached drawing and preferred embodiment, to according to the embodiment of rear doorsill of automobile assembly proposed by the present invention, structure, feature and its
Effect, describes in detail as follows.
For the present invention foregoing and other technology contents, feature and effects, in the following preferable reality coordinated with reference to schema
Applying in the detailed description of example to clearly appear from.By the explanation of embodiment, when predetermined mesh can be reached to the present invention
The technological means taken and effect be able to more deeply and it is specific understand, but institute's accompanying drawings are only to provide with reference to saying
It is bright to be used, not it is used for being any limitation as the present invention.
Fig. 1 is position relationship of the rear doorsill of automobile assembly of present pre-ferred embodiments on automobile chassis, and Fig. 2 is this hair
The structure diagram that the rear doorsill of automobile assembly of bright preferred embodiment is connected with floor, Fig. 3 are the vapour of present pre-ferred embodiments
The structure diagram at another visual angle that car back door threshold assembly is connected with floor, after Fig. 4 is the automobile of present pre-ferred embodiments
Threshold assembly and longeron, the connection diagram on floor, please join Fig. 1 to Fig. 4, and automobile includes body frame structure for automotive 300 and in body frame structure for automotive
The floor 200 extended in the range of 300, floor 200 include preceding floor 201 and rear floor 202, and body frame structure for automotive includes two longerons
301 are connected to more crossbeams 302 between two longerons 301.Rear doorsill of automobile assembly 100 is located at the both sides of automobile, arrow in Fig. 1
For head X-direction towards headstock direction, Fig. 2 to Fig. 4 depicts the rear doorsill of automobile assembly 100 of automobile left side position.The present embodiment
Rear doorsill of automobile assembly 100 be suitable for be arranged on MPV automobiles, rear doorsill of automobile assembly 100 set longeron 301 outside simultaneously
It is connected with floor 200.
Fig. 5 a to Fig. 5 e are the structure diagrams of the rear doorsill of automobile assembly of present pre-ferred embodiments, and Fig. 6 is the present invention
The structure diagram of the back door threshold guide rail installing plate of preferred embodiment, Fig. 7 are the profiles of VII-VII line along Fig. 2, are please joined in the lump
Fig. 2 to 7 is read, rear doorsill of automobile assembly 100 includes back door threshold inner panel 110, back door threshold lower supporting plate 120, the installation of back door threshold guide rail
Plate 130, back door threshold reinforcing plate 140 and back door threshold inner panel sealing plate 156.
Back door threshold inner panel 110 and back door threshold lower supporting plate 120 are located at the lower section of back door threshold guide rail installing plate 130 and and back door
Sill guide rail installing plate 130 surrounds the first cavity 1001.
Specifically, back door threshold inner panel 110 is located at the lower section of back door threshold guide rail installing 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 used to be connected with back door threshold guide rail installing plate 130, its profile
Shape coordinates with back door threshold guide rail installing plate 130.In the present embodiment, back door threshold inner panel flange 114 is towards perpendicular to back door threshold inner panel
112 direction of body extends, and its extending direction is directed away from 301 direction of longeron (i.e. towards car outside).
Back door threshold lower supporting plate 120 also is located at the lower section of back door threshold guide rail installing plate 130.120 edge of back door threshold lower supporting plate
The one side edge in motor vehicle length direction is welded on back door threshold inner panel body 112, opposite side edge is welded on back door threshold guide rail peace
In loading board 130, back door threshold guide rail installing plate 130 surrounds the first cavity with back door threshold inner panel 110, back door threshold lower supporting plate 120
1001 (ginseng Fig. 7).
Referring to Fig. 6, back door threshold guide rail installing plate 130 has opposite first end 1301 and second end 1302, first end
1301 towards headstock direction, and second end 1302 is connected to back door threshold inner panel sealing plate 156.Back door threshold guide rail installing plate 130 includes
The main part 131 and connecting portion 132 that angle is set, wherein, main part 131 includes the first connecting plate positioned at second end 1302
133, connecting portion 132 includes the second connecting plate 134 positioned at second end 1302；First connecting plate 133 and 134 phase of the second connecting plate
Even and section is in "L" shaped.
Main part 131 has the first flange 1311 away from 132 side of connecting portion, and the first flange 1311 is connected in back door threshold
On the back door threshold inner panel flange 114 of plate 110.Connecting portion 132 has the second flange 1321 away from 131 side of main part, and second turns over
Side 1321 is connected to floor 200.In the present embodiment, the extending direction of the first flange 1311 and the second flange 1321 is towards car
Outside, such a structure effectively reduces welding dead angle, with reducing welding gun selection requirements.Back door threshold guide rail installing plate 130 uses
Monoblock type makes into moulding process, and solder joint is less, light-weight, and leakproofness is preferable.
The second end 1302 of threshold guide rail installing plate 130 also has the 3rd flange (figure is not marked), threshold guide rail installing plate 130
Second end 1302 pass through the 3rd flanging welded to back door threshold inner panel sealing plate 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 reinforcing plate 140 is arranged on
On back door threshold guide rail installing plate 130 and close to second end 1302.Back door threshold reinforcing plate 140 is in quadrilateral structure, including is set relatively
The first side 141 and second side 142 put, for being connected between first side 141 and second side 142 and being oppositely arranged
Three sides 143 and four side 144.Wherein, first side 141 is connected to the second connecting plate of back door threshold guide rail installing plate 130
134, second side 142 is connected to the back door threshold inner panel body 112 of back door threshold inner panel 110, and the 3rd side 143 is connected to floor
200 (rear floors 202), four side 144 are connected to the first connecting plate 133 of back door threshold guide rail installing plate 130.Back door threshold inner panel
Sealing plate 156 is welded on the second end 1302 of back door threshold guide rail installing plate 130 and is soldered to rear floor 202 and back door threshold inner panel at the same time
110, back door threshold reinforcing plate 140 and back door threshold guide rail installing plate 130, back door threshold inner panel 110, back door threshold inner panel sealing plate 156, floor
200 surround the second cavity 1002.When side collision occurs for automobile, back door threshold reinforcing plate 140 plays automotive C column support and makees
With effectively improving 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 connection
On plate 134；Second side 142 has the second extension 1421, and the second extension 1421 is welded on back door threshold inner panel 110；The
Three sides 143 have the 3rd extension 1431, and the 3rd extension 1431 is welded on floor 200；Four side 144 has the 4th
Extension 1441, the 4th extension 1441 are welded on the first connecting plate 133.First extension 131, the second extension 1421,
3rd extension 1431 and the 4th extension 1441 further increase towards the first end 1301 of back door threshold guide rail installing plate 130
Add the bonding strength between back door threshold reinforcing plate 140 and back door threshold guide rail installing plate 130, back door threshold inner panel 110, floor 200,
Also increase the rigidity in 100 region of rear doorsill of automobile assembly.
Rear doorsill of automobile assembly 100 further includes connecting plate 150 before back door threshold inner panel, connecting plate 150 before back door threshold inner panel
Connecting plate 150 is respectively connected to back door threshold inner panel 110, floor by welding flange before the lower section of automobile B-column, back door threshold inner panel
200 and longeron 301 and formed the 3rd cavity 1003.The first end 1301 of back door threshold guide rail installing plate 130 is connected in back door threshold
Before plate on connecting plate 150.When side collision occurs for automobile, a part of collision energy is inhaled by connecting plate 150 before back door threshold inner panel
Receive, another part is transferred to longeron 301 and floor 200, effectively improves the collision performance in automobile B-column region.
Rear doorsill of automobile assembly 100 further includes connecting plate 152 and towing arm medial cradle 154 after back door threshold inner panel.Back door
Connecting plate 152 is arranged on the lower section of automotive C column and close to the second end 1302 of back door threshold guide rail installing plate 130 after sill inner panel.Afterwards
Connecting plate 152 is respectively connected to back door threshold lower supporting plate 120, back door threshold guide rail installing plate by welding flange after threshold internal plate
130th, floor 200 and longeron 301.
Towing arm medial cradle 154 is connected to after back door threshold inner panel between connecting plate 152 and back door threshold inner panel sealing plate 156,
Towing arm medial cradle 154 is also located at the second surface of the connecting plate 134 away from 110 side of back door threshold inner panel, i.e. back door threshold is strengthened
Plate 140 is separately positioned on two opposite surfaces of the second connecting plate 134 with towing arm medial cradle 154.On the inside of towing arm
Stent 154 also connects back door threshold guide rail installing plate 130 and longeron 301 at the same time, connecting plate 152 after back door threshold inner panel, in towing arm
Side stand 154, back door threshold inner panel sealing plate 156 and back door threshold lower supporting plate 120, back door threshold guide rail installing plate 130, floor 200 and
The 4th cavity 1004 is surrounded between longeron 301.Formed between towing arm medial cradle 154 and back door threshold guide rail installing plate 130 to
The concave mounting groove 183 in 200 direction of floor, towing arm medial cradle 154 are equipped with the first mount point 181, are supported under back door threshold
Plate 120 is equipped with the second mount point 182, and the second mount point is at the same time through back door threshold lower supporting plate 120, back door threshold guide rail installing plate
130 and back door threshold reinforcing plate 140, the installation end of towing arm (not shown) the first mount point 181 is arranged on by welded nut 184
With in the second mount point 182 and in the mounting groove 183, the stress from towing arm pass through towing arm medial cradle 154 the
One mount point 181 is transferred to floor side member 112, be transferred to back door threshold lower supporting plate 120 by the second mount point 182 and back door threshold is led
On rail installing plate 130, the stability of towing arm is effectively improved.
110 other end longitudinal beam connected 301 of one end connection back door threshold inner panel of back door threshold inner panel sealing plate 156, back door threshold inner panel
Sealing plate 156 is also connected in rear floor 202, back door threshold lower supporting plate 120, back door threshold guide rail installing plate 130 and towing arm at the same time
Side stand 154, rear doorsill of automobile assembly 100 is encapsulated close to the end of rear tyre.
Rear doorsill of automobile assembly 100 further includes connecting plate 160 in back door threshold inner panel, and connecting plate 160 is set in back door threshold inner panel
Postpone before threshold internal plate after connecting plate 150 and back door threshold inner panel between connecting plate 152, connecting plate 160 passes through in back door threshold inner panel
Welding flange is respectively connected to longeron 301, the middle part on floor 200 and back door threshold guide rail installing plate 130 and the 5th cavity of formation
1005.Connecting plate 160 adds the connection between the middle part of back door threshold guide rail installing plate 130 and longeron 301 in back door threshold inner panel
Intensity.
Rear doorsill of automobile assembly 100 further includes vehicle body installation tail-bracket 170, and vehicle body installation tail-bracket 170 is arranged on back door
Connecting plate 160 is away from 200 side of floor in sill inner panel.
In the present embodiment, floor 200 has seepage-proof structure 210, please join Fig. 2 and Fig. 7, and seepage-proof structure 210 is arranged on
On 200 edge of floor of back door threshold guide rail installing plate 130, and positioned at the second flange of back door threshold guide rail installing plate 130
1321 tops.Seepage-proof structure 210 is, for example, the ledge structure for being directed away from 130 direction protrusion of back door threshold guide rail installing plate, just
It is not limited thereto.The outer rim of infiltration structure 210 reserves the straight flange of one fixed width, beneficial to stamping die trimming, extends the mould longevity
Life.Seepage-proof structure 210 can be with preventing water drops are invaded from floor 200 and cause motor damage.
The back door threshold guide rail installing plate 130 of rear doorsill of automobile assembly 100 coordinates floor 200 to be used with other back door threshold structures
Opening design, back door threshold guide rail installing plate 130 are used with sliding door guide rail, and suitable for sliding door guide rail position relatively
The situation on the lower side of plate 200, sliding door guide rail can be directly mounted on back door threshold guide rail installing plate 130, facilitate sliding door guide rail
Installation, dismounting and later maintenance.
The rear doorsill of automobile assembly 100 of the present invention, which includes back door threshold inner panel 110, back door threshold lower supporting plate 120, back door threshold, leads
Rail installing plate 130, back door threshold reinforcing plate 140 and back door threshold inner panel sealing plate 156；Back door threshold inner panel 110 and back door threshold lower supporting plate
120 are located at the lower section of back door threshold guide rail installing plate 130 and surround the first cavity 1001 with back door threshold guide rail installing plate 130；Back door
Sill guide rail installing plate 130 has opposite a first end 1301 and second end 1302, and first end 1301 is towards headstock direction, second end
1302 are connected to back door threshold inner panel sealing plate 156, and back door threshold reinforcing plate 140 is arranged on back door threshold guide rail installing plate 130 and close
Second end 1302, back door threshold reinforcing plate 140 and back door threshold guide rail installing plate 130, back door threshold inner panel 110, back door threshold inner panel sealing plate
156th, floor 200 surrounds the second cavity 1002, and when side collision occurs for automobile, back door threshold reinforcing plate 140 plays automotive C column
Supporting role, effectively improves the collision performance in automotive C column region.
Further, connecting plate 150, back door before back door threshold inner panel are passed through between rear doorsill of automobile assembly 100 and longeron 301
Connecting plate 152 connects after connecting plate 160 and back door threshold inner panel in sill inner panel, makes 200 distribution of force of body platform more reasonable, has
Beneficial to the transmission of vehicle body stress, increase Side-impact safety.
Further, towing arm medial cradle 154 is connected to connecting plate 152 and back door threshold inner panel sealing plate after back door threshold inner panel
Between 156, towing arm medial cradle 154 also connects back door threshold guide rail installing plate 130 and longeron 301 at the same time；By back door threshold inner panel
Connecting plate 152, towing arm medial cradle 154, back door threshold inner panel sealing plate 156 and back door threshold lower supporting plate 120, back door threshold guide rail afterwards
The 4th cavity is surrounded between installing plate 130, floor 200 and longeron 301；Towing arm is arranged on towing arm medial cradle 154 with after
On threshold lower supporting plate 120, the stress from towing arm be rapidly transferred to floor side member 112, back door threshold lower supporting plate 120 and after
On threshold guide rail installing plate 130, the stability of towing arm is effectively improved.
100 overall structure intensity of rear doorsill of automobile assembly is preferable, can fully absorb the collision produced during side collision
Energy, effectively transmits and disperses the various load outside in-car, improve the security of automobile.
Rear doorsill of automobile assembly provided by the present invention is described in detail above, specific case used herein
The principle of the present invention and embodiment are set forth, the explanation of above example is only intended to help to understand side of the invention
Method and its core concept；Meanwhile for those of ordinary skill in the art, according to the thought of the present invention, in embodiment
And there will be changes in application range, in conclusion this specification content should not be construed as limiting the invention.
Claims (10)
1. a kind of rear doorsill of automobile assembly, suitable for being arranged on MPV automobiles, the automobile includes floor (200) and longeron
(301), the rear doorsill of automobile assembly (100) is arranged on the outside of the longeron (301) and is connected with the floor (200),
It is characterized in that the rear doorsill of automobile assembly (100) includes back door threshold inner panel (110), back door threshold lower supporting plate (120), back door
Sill guide rail installing plate (130), back door threshold reinforcing plate (140) and back door threshold inner panel sealing plate (156)；The back door threshold inner panel (110)
It is located at the lower section of the back door threshold guide rail installing plate (130) with the back door threshold lower supporting plate (120) and is led with the back door threshold
Rail installing plate (130) surrounds the first cavity (1001)；The back door threshold guide rail installing plate (130) has opposite first end
(1301) and second end (1302), the first end (1301) are located at automotive C column towards headstock direction, the second end (1302)
Lower section is simultaneously connected to the back door threshold inner panel sealing plate (156), and the back door threshold reinforcing plate (140) is arranged on the back door threshold guide rail
Installed on installing plate (130) and close to the second end (1302), the back door threshold reinforcing plate (140) with the back door threshold guide rail
Plate (130), the back door threshold inner panel (110), the back door threshold inner panel sealing plate (156), the floor (200) surround the second cavity
(1002)。
2. rear doorsill of automobile assembly as claimed in claim 1, it is characterized in that, the back door threshold guide rail installing plate (130) includes
The main part (131) and connecting portion (132) set in angle, the main part (131) include being located at the second end (1302)
The first connecting plate (133), the connecting portion (132) include positioned at the second end (1302) the second connecting plate (134)；Institute
Stating back door threshold reinforcing plate (140) includes the first side (141) that is oppositely arranged and second side (142), is connected to described first
Between side (141) and the second side (142) and the 3rd side (143) being oppositely arranged and four side (144)；Its
In, the first side (141) is connected to second connecting plate (134), and the second side (142) is connected to the back door
Sill inner panel (110), the 3rd side (143) are connected to the floor (200), and the 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, the first side (141) has the first extension
Portion (1411), first extension (1411) are welded on second connecting plate (134)；Second side (142) tool
There is the second extension (1421), second extension (1421) is welded on the back door threshold inner panel (110)；3rd side
Side (143) has the 3rd extension (1431), and the 3rd extension (1431) is welded on the floor (200)；Described
Four side (144) has the 4th extension (1441), and the 4th extension (1441) is welded on first connecting plate (133)
On；First extension (1411), second extension (1421), the 3rd extension (1431) and the described 4th are prolonged
Extending portion (1441) is towards the first end (1301) of the back door threshold guide rail installing plate (130).
4. rear doorsill of automobile assembly as claimed in claim 2, it is characterized in that, the main part (131) is away from the connecting portion
(132) side has the first flange (1311), and first flange (1311) is connected to the back door threshold inner panel (110), described
Connecting portion (132) has the second flange (1321) away from the main part (131) side, and second flange (1321) is connected to
The floor (200).
5. rear doorsill of automobile assembly as claimed in claim 4, it is characterized in that, first flange (1311) and described second is turned over
The extending direction on side (1321) is towards outside car.
6. rear doorsill of automobile assembly as claimed in claim 1, it is characterized in that, the rear doorsill of automobile assembly (100) further includes
Connecting plate (150) before back door threshold inner panel, connecting plate (150) connects the back door threshold inner panel (110), institute before the back door threshold inner panel
State floor (200) and the longeron (301) and form the 3rd cavity (1003), the of the back door threshold guide rail installing plate (130)
One end (1301) is connected to before the 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, the rear doorsill of automobile assembly (100) further includes
Connecting plate (152) and towing arm medial cradle (154) after back door threshold inner panel, connecting plate (152) connects after the back door threshold inner panel
The back door threshold lower supporting plate (120), the back door threshold guide rail installing plate (130), the floor (200) and the longeron
(301)；The towing arm medial cradle (154) is connected to after the back door threshold inner panel in connecting plate (152) and the back door threshold
Between plate sealing plate (156), the towing arm medial cradle (154) also at the same time connect the back door threshold guide rail installing plate (130) and
The longeron (301), connecting plate (152), the towing arm medial cradle (154), the back door threshold after the back door threshold inner panel
Inner panel sealing plate (156) and the back door threshold lower supporting plate (120), the back door threshold guide rail installing plate (130), the floor
(200) the 4th cavity (1004) is surrounded between the longeron (301).
8. rear doorsill of automobile assembly as claimed in claim 1, it is characterized in that, the rear doorsill of automobile assembly (100) further includes
Connecting plate (160) in back door threshold inner panel, connecting plate (160) is respectively connected to the longeron (301), institute in the back door threshold inner panel
State the middle part on floor (200) and the back door threshold guide rail installing plate (130) and form the 5th cavity (1005).
9. rear doorsill of automobile assembly as claimed in claim 8, it is characterized in that, the rear doorsill of automobile assembly (100) further includes
Vehicle body installation tail-bracket (170), the vehicle body installation tail-bracket (170) are arranged on connecting plate (160) in the back door threshold inner panel
Away from the floor (200) side.
10. rear doorsill of automobile assembly as claimed in claim 1, it is characterized in that, the floor (200) has seepage-proof structure
(210), the seepage-proof structure (210) is disposed around the floor (200) side of the back door threshold guide rail installing plate (130)
On edge, the seepage-proof structure (210) is directed towards the step away from back door threshold guide rail installing plate (130) direction protrusion.
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 CN105774916A (en) | 2016-07-20 |
| CN105774916B true CN105774916B (en) | 2018-04-20 |
Family
ID=56390375
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201511031534.1A Active CN105774916B (en) | 2015-12-30 | 2015-12-30 | Rear doorsill of automobile assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105774916B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112874633B (en) * | 2021-03-19 | 2022-10-11 | 重庆长安汽车股份有限公司 | Rear frame connecting piece and mounting structure thereof |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3697916B2 (en) * | 1998-12-03 | 2005-09-21 | 日産自動車株式会社 | Structure of sliding door mounting part of automobile |
| DE102013019387A1 (en) * | 2013-11-18 | 2015-05-21 | GM Global Technology Operations LLC (n. d. Ges. d. Staates Delaware) | 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
Also Published As
| Publication number | Publication date |
|---|---|
| CN105774916A (en) | 2016-07-20 |
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| Date | Code | Title | Description |
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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 AUTOMOBILE 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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| TR01 | Transfer of patent right | ||
| CP01 | Change in the name or title of a patent holder |
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 AUTOMOBILE GROUP MOTOR Co.,Ltd. Patentee before: GUANGZHOU AUTOMOBILE GROUP Co.,Ltd. |
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| CP01 | Change in the name or title of a patent holder | ||
| CP03 | Change of name, title or address |
Address after: 23rd Floor, Chengyue Building, 448-458 Dongfeng Middle Road, Yuexiu District, Guangzhou City, Guangdong Province Patentee after: GUANGZHOU AUTOMOBILE GROUP Co.,Ltd. Country or region after: China Address before: 510030 23 building, Cheng Yue mansion 448-458, Dongfeng Middle Road, Yuexiu District, Guangzhou, Guangdong. Patentee before: GUANGZHOU AUTOMOBILE GROUP Co.,Ltd. Country or region before: China Patentee before: Guangzhou Automobile Passenger Car Co.,Ltd. |
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| CP03 | Change of name, title or address |