CN110341794A - Portion connecting structure under a kind of B column - Google Patents
Portion connecting structure under a kind of B column Download PDFInfo
- Publication number
- CN110341794A CN110341794A CN201810285819.5A CN201810285819A CN110341794A CN 110341794 A CN110341794 A CN 110341794A CN 201810285819 A CN201810285819 A CN 201810285819A CN 110341794 A CN110341794 A CN 110341794A
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- postnotum
- crossbeam
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- postnotum lower
- column
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- 238000005476 soldering Methods 0.000 claims abstract description 41
- 230000003014 reinforcing effect Effects 0.000 claims description 26
- 238000007789 sealing Methods 0.000 claims description 11
- 239000000725 suspension Substances 0.000 claims description 8
- 230000003247 decreasing effect Effects 0.000 claims description 2
- 238000004519 manufacturing process Methods 0.000 description 13
- 238000010586 diagram Methods 0.000 description 7
- 230000008901 benefit Effects 0.000 description 3
- 238000005336 cracking Methods 0.000 description 3
- 230000006378 damage Effects 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000011900 installation process Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000008450 motivation Effects 0.000 description 1
- 230000035772 mutation Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D21/00—Understructures, i.e. chassis frame on which a vehicle body may be mounted
- B62D21/02—Understructures, i.e. chassis frame on which a vehicle body may be mounted comprising longitudinally or transversely arranged frame members
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D21/00—Understructures, i.e. chassis frame on which a vehicle body may be mounted
- B62D21/11—Understructures, i.e. chassis frame on which a vehicle body may be mounted with resilient means for suspension, e.g. of wheels or engine; sub-frames for mounting engine or suspensions
-
- 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
- B62D25/04—Door pillars ; windshield pillars
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D27/00—Connections between superstructure or understructure sub-units
- B62D27/02—Connections between superstructure or understructure sub-units rigid
Abstract
It includes two crossbeams that the present invention, which discloses portion connecting structure under a kind of B column, inner panel under one postnotum lower beam and two B columns, it is fixedly connected respectively by the way that postnotum lower supporting plate is vertical with corresponding crossbeam middle and upper part on rear side of postnotum lower beam left and right ends, it is respectively and vertically fixed on the inside of inner panel under two B columns at left and right sides of on the outside of postnotum lower beam left and right ends and outside corresponding crossbeam, postnotum lower beam rear is equipped with Aft cross member in parallel, Aft cross member left and right ends are fixedly connected with corresponding crossbeam inner vertical respectively, seat frame soldering member is equipped in front of postnotum lower beam, seat frame soldering member left and right ends are fixed on front side of corresponding postnotum lower beam left and right ends respectively.Portion connecting structure postnotum lower supporting plate replaces the fixed structure of traditional two support plates support crossbeam and postnotum lower cross plate under a kind of B column of the present invention, reinforce postnotum lower beam left and right ends and crossbeam bonding strength, assembly caused by effectively reducing because of foozle is improper.
Description
Technical field
The present invention relates to portion connecting structures under a kind of B column, more particularly to a kind of single lorry below the crossbeam joint area
Portion connecting structure under middle B column.
Background technique
Traditional single lorry below the crossbeam joint area, as depicted in figs. 1 and 2, including upper and lower two crossbeam 1 ', back
Inner panel 3 ' under plate lower beam 2 ' and upper and lower two B columns, two 1 ' upsides of crossbeam up and down are respectively equipped with crossbeam cover board soldering
Part 5 ' passes through the first support base 7 ' and the second support base outside the 2 ' left and right ends of postnotum lower beam respectively in lateral flange 10 '
8 ' are respectively and vertically fixed at two 1 ' upsides of crossbeam up and down, as shown in Fig. 2, the 7 ' upper end of the first support base and the second support base
8 ' upper ends pass through bolt 9 ' respectively and are fixedly connected with lateral flange 10 ' outside 2 ' left and right ends of postnotum lower beam, and two bolts 9 ' are easy
Foozle is led to the problem of to cause assembly gear hole, to be equipped with seat frame soldering member 6 ', the crossbeam on front side of the postnotum lower beam
5 ' inside of cover board soldering member is equipped with engine mounting portion 11 '.But there are the following problems for traditional structure:
1. connection is strong respectively with the crossbeam 1 ' of upper and lower two sides there are hanging gap on front side of 2 ' left and right ends of postnotum lower beam
It spends not high；
2. 10 ' underface of postnotum lower beam rear end flange is just arranged in 5 ' end point 13 ' of crossbeam cover board soldering member, just
Benefit will form apparent line of demarcation, vehicle body caused to exist at the lap position of passenger compartment and loading space between passenger compartment and loading space
The risk that crossbeam 1 ' cracks there are stress concentration when torsion；
3. a big notch is formed from sky with 3 ' inside of inner panel under B column on the outside of 4 ' rear end of cover board, in side collision,
Effectively impact force cannot be transmitted on crossbeam 1 '；
4. the structure leads to 11 ' insufficient rigidity of engine mounting portion, cause NVH performance poor.
Summary of the invention
The present invention is completed to solve in the prior art insufficient, and the object of the present invention is to provide a kind of postnotums
Lower supporting plate replaces traditional fixed structure by two support plates support crossbeams and postnotum lower cross plate, reinforces horizontal under postnotum
Beam left and right ends and crossbeam bonding strength save the production time, reduce production cost, dress caused by effectively reducing because of foozle
With portion connecting structure under improperly B column.
Under portion connecting structure under a kind of B column of the invention, including two crossbeams, a postnotum lower beam and two B columns
Inner panel, postnotum lower beam left and right ends rear side pass through postnotum lower supporting plate and the corresponding crossbeam middle and upper part respectively
It is vertically fixedly connected, is respectively and vertically fixed on the outside of postnotum lower beam left and right ends on the inside of inner panel under two B columns
Aft cross member is equipped in parallel with the left and right sides, postnotum lower beam rear outside the corresponding crossbeam, after the vehicle frame
Crossbeam left and right ends are fixedly connected with corresponding crossbeam inner vertical respectively, and seat frame is equipped in front of the postnotum lower beam and is welded
Component, seat frame soldering member section are in U-shape shape, seat frame soldering member left and right ends respectively with it is corresponding it is described after
It is fixed on front side of backboard lower beam left and right ends.
Portion connecting structure may also is that under a kind of B column of the invention
On front side of postnotum lower beam left and right ends respectively by postnotum lower reinforcing plate in the corresponding crossbeam
Upper vertical is fixedly connected, under two B columns in inner panel on the inside of upper end respectively and outside the corresponding postnotum lower reinforcing plate
End face, the postnotum lower supporting plate outer end face and the postnotum lower beam or so outer end face are fixed.
After being respectively equipped between inner end and postnotum lower supporting plate front side inner end on rear side of the postnotum lower reinforcing plate
Sealing plate under backboard, sealing plate is fixed to pair from the extension of postnotum lower beam left and right ends lower vertical respectively under the postnotum
The outer downside of the crossbeam answered.
Inner panel lower end passes through supporting beam respectively and is vertically fixed on the outside of the corresponding crossbeam under two B columns, described
Supporting beam upper end is fixedly connected with postnotum lower supporting plate lower end and postnotum lower reinforcing plate lower end respectively, the branch
It supports beam lower end to connect on the outside of the corresponding crossbeam respectively, connect on the outside of the supporting beam with inner panel lower end inside under the B column
It connects.
The supporting beam is U-shaped supporting beam, and U-shaped supporting beam front and rear sides upper end is reinforced under the postnotum respectively
Plate lower end is fixedly connected with postnotum lower supporting plate lower end, on the inside of the U-shaped supporting beam respectively with the corresponding crossbeam
Outside is fixedly connected, and is separately fixed at inner panel inside lower end under the corresponding B column on the outside of the U-shaped supporting beam.
It is fixedly connected respectively on the outside of the corresponding crossbeam on the inside of U-shaped supporting beam rear and front end, the U-shaped support
The corresponding crossbeam bottom side is fixed on from outer extremely interior extension in beam bottom side.
The front end of two crossbeams is equipped with cover board, is respectively equipped with crossbeam cover board soldering member on the upside of the crossbeam, described
Self-corresponding 1 rear end of crossbeam extension is fixed to the corresponding cover board rear end, the crossbeam to crossbeam cover board soldering member respectively
Cover board soldering member middle and upper part respectively it is horizontal through be fixed on corresponding postnotum lower supporting plate lower end and it is corresponding it is described after
Backboard lower reinforcing plate lower end.
The self-corresponding postnotum lower supporting plate inside height is gradually passed respectively for the crossbeam cover board soldering member middle and upper part
Subtract and extends to the corresponding cover board rear end.
It is equipped with engine front mounting portion on the inside of two crossbeam cover board soldering members, is equipped with hair on the inside of the Aft cross member
Motivation rear-suspending portion, postnotum lower beam setting the engine front mounting portion and the back suspension device of engine portion it
Between.
Two postnotum lower supporting plate upper ends pass through respectively on rear side of bolt and postnotum lower beam left and right ends
Upper end is fixedly connected.
Under portion connecting structure under a kind of B column of the invention, including two crossbeams, a postnotum lower beam and two B columns
Inner panel, postnotum lower beam left and right ends rear side pass through postnotum lower supporting plate and the corresponding crossbeam middle and upper part respectively
It is vertically fixedly connected, is respectively and vertically fixed on the outside of postnotum lower beam left and right ends on the inside of inner panel under two B columns
Aft cross member is equipped in parallel with the left and right sides, postnotum lower beam rear outside the corresponding crossbeam, after the vehicle frame
Crossbeam left and right ends are fixedly connected with corresponding crossbeam inner vertical respectively, and seat frame is equipped in front of the postnotum lower beam and is welded
Component, seat frame soldering member section are in U-shape shape, seat frame soldering member left and right ends respectively with it is corresponding it is described after
It is fixed on front side of backboard lower beam left and right ends.In this way, postnotum lower beam left and right ends on rear side of respectively by with crossbeam middle and upper part
Postnotum lower supporting plate connected vertically is fixed, by a postnotum lower supporting plate supported instead of two support plates crossbeam with
The traditional structure of the fixation of postnotum lower cross plate, this traditional structure are deposited between two support plates using two support plate connections
It is high not as good as an integral support plate bonding strength in connection weak spot, thus postnotum lower beam or so end with it is corresponding
It is fixed between crossbeam middle and upper part using the postnotum lower supporting plate of a monoblock type, which reinforces backboard and reinforce
Lower beam left and right ends and crossbeam bonding strength, postnotum lower supporting plate itself are not present connection weak spot, effectively avoid loading
Cracking is accepted, and a postnotum lower supporting plate improves production efficiency in production, save the production time, reduction is produced into
This, there is likely to be matching problems in fit on for two traditional support plates, using a postnotum lower supporting plate in assembly
The improper problem of assembly caused by effectively reducing because of foozle.Portion connecting structure under a kind of B column of the invention, relative to existing skill
It is traditional by two support plate support crossbeams and postnotum lower cross plate to have the advantage, that postnotum lower supporting plate replaces for art
Fixed structure, reinforce postnotum lower beam left and right ends and crossbeam bonding strength, save the production time, reduce production cost,
Assembly caused by effectively reducing because of foozle is improper.
Detailed description of the invention
Fig. 1 is the prior art this B column lower part attachment structure schematic diagram.
Fig. 2 is partial enlarged view at A in Fig. 1.
Fig. 3 is portion connecting structure overall structure diagram under B column of the present invention.
Fig. 4 is postnotum lower beam end connecting structure schematic diagram in portion connecting structure under B column of the present invention.
Fig. 5 is postnotum lower supporting plate attachment structure schematic diagram in portion connecting structure under B column of the present invention.
Fig. 6 is crossbeam cover board soldering member structural schematic diagram in portion connecting structure under B column of the present invention.
Fig. 7 is U-shaped support beam structure schematic diagram in portion connecting structure under B column of the present invention.
Fig. 8 is whole frame-type structural schematic diagram in portion connecting structure under B column of the present invention.
Figure number explanation
1 ... crossbeam 2 ... postnotum lower beam 3 ... inner panel under B column
4 ... postnotum lower supporting plate 5 ... postnotum lower reinforcing plate 6 ... sealing plates under postnotum
7 ... U-shaped supporting beam 8 ... U-shaped supporting beam bottom side 9 ... cover boards
10 ... back suspension device of engine portions, crossbeam cover board soldering member 11 ... engine front mounting portion 12 ...
13 ... bolt 14 ... crossbeam upper overturning 15 ... seat frame soldering members
16 ... postnotum lower beam flange 17 ... frame front cross beam 18 ... Aft cross members
19 ... postnotum lower supporting plate outer end face 20 ... postnotum lower reinforcing plate outer end faces
Specific embodiment
Portion connecting structure under a kind of B column of the invention is further described in Fig. 3 to Fig. 8 with reference to the accompanying drawing.It says
Left rectangle is front in bright book attached drawing 3, and right rectangle is rear, and upper left side is left, and lower right is right, and upside is top, under
Side is lower section, and inside is that inner and outer portion is outer.
Portion connecting structure under a kind of B column of the invention, please refers to shown in Fig. 3 to Fig. 8, including two crossbeams, 1, back
Inner panel 3 under plate lower beam 2 and two B columns, 2 left and right ends of the postnotum lower beam rear side pass through postnotum lower supporting plate respectively
4 it is vertical with two 1 middle and upper parts of crossbeam be fixedly connected, be respectively and vertically fixed on the inside of inner panel 3 under two B columns it is described after
On the outside of 2 left and right ends of the backboard lower beam and outer left and right sides of the corresponding crossbeam 1,2 rear of postnotum lower beam is parallel
Equipped with Aft cross member 18,18 left and right ends of Aft cross member are fixedly connected with corresponding 1 inner vertical of crossbeam respectively, institute
It states and is equipped with seat frame soldering member 15 in front of postnotum lower beam 2,15 section of seat frame soldering member is in U-shape shape, the seat
15 left and right ends of chair frame soldering member are fixed on front side of corresponding 2 left and right ends of postnotum lower beam respectively.After specifically,
Respectively by fixed with 1 middle and upper part of crossbeam postnotum lower supporting plate 4 connected vertically on rear side of 2 left and right ends of backboard lower beam, by
One postnotum lower supporting plate 4 supports the traditional structure of the fixation of crossbeam 1 and postnotum lower cross plate instead of two support plates,
There is connection weak spot between two support plates, be not so good as a monoblock type branch in this traditional structure using two support plate connections
Fagging bonding strength is high, therefore holds in postnotum lower beam 2 or so and use a monoblock type between corresponding 1 middle and upper part of crossbeam
Postnotum lower supporting plate 4 it is fixed, which reinforces backboard and reinforces lower beam left and right ends connecting with crossbeam 1
Intensity, postnotum lower supporting plate 4 itself effectively avoid load from accepting cracking, and a postnotum there is no connection weak spot
Lower supporting plate 4 improves production efficiency in production, saves the production time, reduces production cost, and two traditional support plates exist
There is likely to be matching problems for fit on, are effectively reduced in assembly because foozle is drawn using a postnotum lower supporting plate 4
The improper problem of assembly risen.Compared with the existing technology the advantages of is: postnotum lower supporting plate 4 replaces traditional by two support plates
The fixed structure of crossbeam 1 and postnotum lower cross plate 2 is supported, 2 left and right ends of postnotum lower beam and 1 bonding strength of crossbeam are reinforced,
The production time is saved, production cost is reduced, assembly caused by effectively reducing because of foozle is improper.
Portion connecting structure under a kind of B column of the invention, please refers to the technical solution shown in Fig. 3 to Fig. 8, described in front
On the basis of it may also is that passing through postnotum lower reinforcing plate 5 and corresponding institute on front side of 2 left and right ends of postnotum lower beam respectively
1 middle and upper part of crossbeam is stated vertically to be fixedly connected, under two B columns in inner panel 3 on the inside of upper end respectively with the corresponding postnotum
Lower reinforcing plate outer end face 20, the postnotum lower supporting plate outer end face 19 and 2 or so outer end face of the postnotum lower beam are fixed.
In this way, vertical hanging setting is above corresponding crossbeam 1 on front side of traditional 2 left and right ends of postnotum lower beam, under traditional postnotum
There are hanging structures with above corresponding crossbeam 1 on front side of 2 left and right ends of crossbeam, and bonding strength is insufficient, in order to increase bonding strength,
It is respectively equipped under the postnotum fixed vertical with corresponding 1 middle and upper part of crossbeam and reinforces on front side of 2 left and right ends of postnotum lower beam
Plate 5,5 upper and lower ends of postnotum lower reinforcing plate are respectively perpendicular on front side of corresponding 2 left and right ends of postnotum lower beam of connection and right
1 upside of crossbeam answered, increases bonding strength, improves vehicle torsion stiffness.Upper end inside difference in inner panel 3 under two B columns
With corresponding postnotum lower reinforcing plate outer end face 20,2 left and right ends of postnotum lower supporting plate outer end face 19 and postnotum lower beam
Face is fixed, and inner panel 3 is fixed by three above outer end face under B column, further strengthen under B column inner panel 3 and corresponding crossbeam 1 and after
The bonding strength of backboard lower beam 2.Technical solution further preferred on the basis of technical solution in front are as follows: the postnotum
5 rear side inner end of lower reinforcing plate and the postnotum lower supporting plate are respectively equipped with sealing plate 6 under postnotum between 4 front side inner end, described
Sealing plate 6 is fixed to the corresponding crossbeam 1 from the 2 left and right ends lower vertical of postnotum lower beam extension respectively under postnotum
Outer downside.In this way, being respectively equipped between 4 front side inner end of 5 rear side inner end of postnotum lower reinforcing plate and postnotum lower supporting plate from institute
It states 2 left and right ends lower vertical of postnotum lower beam and extends sealing plate 6 under the postnotum for being fixed to the outer downside of corresponding crossbeam 1, B column
Lower 3 middle and upper part of inner panel adds under sealing plate 6, corresponding postnotum lower supporting plate 4, corresponding postnotum under corresponding postnotum respectively
Strong plate 5 and 2 or so end of postnotum lower beam form cavity body structure, and it is strong to increase the connection of 2 left and right joint of postnotum lower beam
Degree, improves the torsion stiffness of vehicle.It can be with sealing plate 6 under the postnotum respectively from 2 left and right ends of postnotum lower beam
Lower vertical extends the crossbeam upper overturning 14 for being fixed to the outer downside of the corresponding crossbeam 1.
Portion connecting structure under a kind of B column of the invention, please refers to the technical solution shown in Fig. 3 to Fig. 8, described in front
On the basis of it may also is that 3 lower end of inner panel passes through supporting beam respectively and is vertically fixed on the corresponding crossbeam 1 under two B columns
Outside, the supporting beam upper end are fixed with 4 lower end of postnotum lower supporting plate and 5 lower end of postnotum lower reinforcing plate respectively
Connection, the supporting beam lower end are connected on the outside of the corresponding crossbeam 1 respectively, interior under the supporting beam outside and the B column
The connection of 3 lower end inside of plate.In this way, for from sky between traditional 1 front outsides of crossbeam and 3 lower end inside of inner panel under corresponding B column
Structure forms notch, and when vehicle body side collides, bonding strength is insufficient, and load cannot be effective on 3 lower end of inner panel under B column
It is transferred on crossbeam 1, stress is integrated, increases collision damage, interior under corresponding B column in order to solve traditional 1 front end outer side of crossbeam
From hollow structure between 3 lower end inside of plate, in tradition from adding supporting beam to fix at hollow structure, the support beam upper end and corresponding back
4 lower end of plate lower supporting plate is fixedly connected with 5 lower end of postnotum lower reinforcing plate, supporting beam lower end and corresponding 1 outside of the crossbeam
Connection, supporting beam outside are connect with 3 lower end inside of inner panel under the B column, and body side is occurring while improving bonding strength
When face is collided, load transfer path is increased, 3 lower end load a part of inner panel is transmitted to back by supporting beam upper end under B column
On plate lower supporting plate 4 and postnotum lower reinforcing plate 5 or even postnotum lower beam 2,3 lower end another part load of inner panel is logical under B column
It crosses supporting beam lower end to be transmitted on corresponding crossbeam 1, is conducive to the dispersion of 3 load of inner panel under B column in this way, avoids load concentration,
Further decrease the injury collided to human body.Technical solution further preferred on the basis of technical solution in front are as follows: described
Supporting beam be U-shaped supporting beam 7, the 7 front and rear sides upper end of U-shaped supporting beam respectively with 5 lower end of postnotum lower reinforcing plate and
4 lower end of postnotum lower supporting plate is fixedly connected, and 7 inside of U-shaped supporting beam is solid on the outside of the corresponding crossbeam 1 respectively
It is fixed to connect, 3 inside lower end of inner panel under the corresponding B column is separately fixed on the outside of the U-shaped supporting beam 7.In this way, supporting beam is
U-shaped supporting beam 7, U-shaped supporting beam 7 respectively with corresponding postnotum lower supporting plate 4, corresponding postnotum lower reinforcing plate 5, corresponding
Inner panel 3 forms an enclosed chamber under 2 or so end of postnotum lower beam, 1 outside 1 of corresponding crossbeam and corresponding B column
Body, using the cavity body structure of sealing plate formula, improves inner panel 3 and crossbeam 1 under B column and connects on the basis of guaranteeing the transmission path of load
Connect intensity.Technical solution further preferred on the basis of technical solution in front are as follows: in 7 rear and front end of U-shaped supporting beam
Side is fixedly connected on the outside of the corresponding crossbeam 1 respectively, and correspondence is fixed on from outer extremely interior extension in U-shaped supporting beam bottom side 8
1 bottom side of the crossbeam.In this way, corresponding 1 bottom side of the crossbeam is fixed on to interior extension from outer in U-shaped supporting beam bottom side 8, increase
The connection area of U-shaped supporting beam bottom side 8 and 1 bottom side of crossbeam, further increases bonding strength.
Portion connecting structure under a kind of B column of the invention, please refers to the technical solution shown in Fig. 3 to Fig. 8, described in front
On the basis of it may also is that the front ends of two crossbeams 1 is equipped with cover board 9, be respectively equipped with crossbeam bridge welding on the upside of the crossbeam 1
Component 10, self-corresponding 1 rear end of crossbeam extension is fixed to the corresponding cover board 9 to the crossbeam cover board soldering member 10 respectively
Rear end, 10 middle and upper part of crossbeam cover board soldering member are horizontal through being fixed under the corresponding postnotum lower supporting plate 4 respectively
End and corresponding 5 lower end of postnotum lower reinforcing plate.In this way, traditional 10 port of crossbeam cover board soldering member is in cross under postnotum
Immediately below beam flange 16, forms passenger compartment and connect line of demarcation with car body before and after loading space, vehicle body crossbeam 1 in torsion is easy stress collection
In and cause to crack, to solve above-mentioned risk, extend the length of crossbeam cover board soldering member 10, the crossbeam cover board soldering member 10 is arrogant
1 rear end of beam, which extends, is fixed to corresponding 9 rear end of cover board, keep crossbeam cover board soldering member 10 horizontal through be fixed on it is corresponding it is described after
4 lower end of backboard lower supporting plate and corresponding 5 lower end of postnotum lower reinforcing plate, the connection for further strengthening front and back car body are strong
Degree solves 1 problem of Cracking of front and back car body junction crossbeam, effectively promotes torsion stiffness in vehicle body torsion, in front technical side
Further preferred technical solution on the basis of case are as follows: 10 middle and upper part of crossbeam cover board soldering member difference it is self-corresponding it is described after
4 inside height of backboard lower supporting plate, which is gradually successively decreased, extends to corresponding 9 rear end of the cover board.In this way, crossbeam cover board soldering member 10
Self-corresponding 4 inside height of postnotum lower supporting plate, which is respectively adopted, in middle and upper part gradually successively decreases and extends to corresponding 9 rear end of cover board knot
Structure, which is that ramp type is gradually tapered to be fixedly connected with mode with corresponding cover board 9, when sharply load mutation occurs,
Gradually degression type structure can play certain buffer function to ramp type with load, avoid load from being sharply mutated and stress is caused to be concentrated.?
It may also is that being equipped with engine front mounting portion on the inside of two crossbeam cover board soldering members 10 on the basis of previous technique scheme
11, back suspension device of engine portion 12 is equipped on the inside of the Aft cross member 18, the postnotum lower beam 2 is arranged in the engine
Between front-suspension portion 11 and the back suspension device of engine portion 12.In this way, soldering member, frame front cross beam 17 on Aft cross member 18
Soldering member and crossbeam cover board soldering member 10 formed a closure frame-type structure, when colliding, load can be closed frame
Type structure disperses improve suspension installation point Y-direction dynamic stiffness, promote NVH performance, improve occupant's comfort level.
Portion connecting structure under a kind of B column of the invention, please refers to the technical solution shown in Fig. 3 to Fig. 8, described in front
On the basis of it may also is that two 4 upper ends of postnotum lower supporting plate pass through bolt 13 respectively and the postnotum lower beam 2 is left
Upper end is fixedly connected on rear side of right both ends.In this way, on rear side of 4 upper end of postnotum lower supporting plate and 2 left and right ends of postnotum lower beam
End is fixed by bolt 13, and bolt 13 is arranged on postnotum lower supporting plate 4, and bolt 13 can be two, and two bolts 13 are same
When be arranged on a postnotum lower supporting plate 4, replace two traditional support plate upper ends to be separately fixed at each by bolt
It is improper because assembling caused by foozle during the installation process to effectively reduce two support plates for 2 left and right ends of postnotum lower beam
Problem, such as gear hole problem.Postnotum on rear side of 2 left and right end portions of postnotum lower beam can be set simultaneously with two bolts 13
On lower beam flange 16.
It is above-mentioned that only several specific embodiments in the present invention are illustrated, but can not be as protection model of the invention
Enclose, it is all according to the present invention in design spirit made by equivalent change or modification or equal proportion zoom in or out, should all
Think to fall into protection scope of the present invention.
Claims (10)
1. portion connecting structure under a kind of B column, it is characterised in that: including two crossbeams (1), a postnotum lower beam (2) and two
Inner panel (3) under a B column, on rear side of postnotum lower beam (2) left and right ends respectively by postnotum lower supporting plate (4) with it is corresponding
The crossbeam (1) middle and upper part be vertically fixedly connected, be respectively and vertically fixed on the inside of inner panel (3) under two B columns it is described after
On the outside of backboard lower beam (2) left and right ends and corresponding crossbeam (1) left and right sides outside, after the postnotum lower beam (2)
Fang Pinghang is equipped with Aft cross member (18), and Aft cross member (18) left and right ends are hung down on the inside of corresponding crossbeam (1) respectively
It is directly fixedly connected, is equipped with seat frame soldering member (15) in front of the postnotum lower beam (2), the seat frame soldering member (15) is cut
Face is in U-shape shape, seat frame soldering member (15) left and right ends respectively with corresponding postnotum lower beam (2) left and right two
End front side is fixed.
2. portion connecting structure under a kind of B column according to claim 1, it is characterised in that: the postnotum lower beam (2) is left
It is fixedly connected respectively by the way that postnotum lower reinforcing plate (5) are vertical with corresponding crossbeam (1) middle and upper part on front side of right both ends, two
Under the B column in inner panel (3) on the inside of upper end respectively with the corresponding postnotum lower reinforcing plate outer end face (20), the postnotum
Lower supporting plate outer end face (19) and the postnotum lower beam (2) left and right outer end face are fixed.
3. portion connecting structure under a kind of B column according to claim 2, it is characterised in that: the postnotum lower reinforcing plate (5)
Sealing plate under postnotum (6), the postnotum are respectively equipped between inner end on front side of rear side inner end and the postnotum lower supporting plate (4)
Lower sealing plate (6) is fixed to the corresponding crossbeam (1) from postnotum lower beam (2) left and right ends lower vertical extension respectively
Outer downside.
4. portion connecting structure under a kind of B column according to claim 2, it is characterised in that: inner panel (3) under two B columns
Lower end passes through supporting beam respectively and is vertically fixed on the outside of the corresponding crossbeam (1), the supporting beam upper end respectively with it is described after
Backboard lower supporting plate (4) lower end is fixedly connected with postnotum lower reinforcing plate (5) lower end, the supporting beam lower end respectively with it is right
Connection on the outside of the crossbeam (1) answered, the supporting beam outside are connect with inner panel (3) lower end inside under the B column.
5. portion connecting structure under a kind of B column according to claim 4, it is characterised in that: the supporting beam is U-shaped supporting beam
(7), U-shaped supporting beam (7) the front and rear sides upper end is respectively and under postnotum lower reinforcing plate (5) lower end and the postnotum
Support plate (4) lower end is fixedly connected, and is connected respectively with fixed on the outside of the corresponding crossbeam (1) on the inside of the U-shaped supporting beam (7)
It connects, is separately fixed at inner panel (3) inside lower end under the corresponding B column on the outside of the U-shaped supporting beam (7).
6. portion connecting structure under a kind of B column according to claim 5, it is characterised in that: before and after the U-shaped supporting beam (7)
It is fixedly connected respectively on the outside of the corresponding crossbeam (1) on the inside of both ends, U-shaped supporting beam bottom side (8) is from outer to interior extension
It is fixed on the corresponding crossbeam (1) bottom side.
7. portion connecting structure under a kind of B column according to claim 2 to 6 any one claim, it is characterised in that: two
The front end of a crossbeam (1) is equipped with cover board (9), is respectively equipped with crossbeam cover board soldering member (10) on the upside of the crossbeam, described
Self-corresponding crossbeam (1) the rear end extension is fixed to the corresponding cover board (9) rear end to crossbeam cover board soldering member (10) respectively,
Crossbeam cover board soldering member (10) middle and upper part is horizontal through being fixed on corresponding postnotum lower supporting plate (4) lower end respectively
With corresponding postnotum lower reinforcing plate (5) lower end.
8. portion connecting structure under a kind of B column according to claim 7, it is characterised in that: the crossbeam cover board soldering member
(10) difference self-corresponding postnotum lower supporting plate (4) inside height in middle and upper part, which is gradually successively decreased, extends to the corresponding lid
Plate (9) rear end.
9. portion connecting structure under a kind of B column according to claim 7, it is characterised in that: two crossbeam cover board soldering
Engine front mounting portion (11) are equipped on the inside of part (10), back suspension device of engine portion is equipped on the inside of the Aft cross member (18)
(12), the postnotum lower beam (2) is arranged in the engine front mounting portion (11) and the back suspension device of engine portion (12)
Between.
10. according to claim 1 to portion connecting structure under a kind of B column described in 6 any one claims, it is characterised in that:
After two postnotum lower supporting plate (4) upper ends pass through bolt (13) and postnotum lower beam (2) left and right ends respectively
Side upper end is fixedly connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810285819.5A CN110341794A (en) | 2018-04-03 | 2018-04-03 | Portion connecting structure under a kind of B column |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810285819.5A CN110341794A (en) | 2018-04-03 | 2018-04-03 | Portion connecting structure under a kind of B column |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110341794A true CN110341794A (en) | 2019-10-18 |
Family
ID=68172705
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810285819.5A Pending CN110341794A (en) | 2018-04-03 | 2018-04-03 | Portion connecting structure under a kind of B column |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110341794A (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH11192977A (en) * | 1997-12-30 | 1999-07-21 | Daihatsu Motor Co Ltd | Body frame reinforcing structure for automobile |
| CN104326024A (en) * | 2014-09-29 | 2015-02-04 | 上汽通用五菱汽车股份有限公司 | Frame assembly |
| CN205769580U (en) * | 2016-05-24 | 2016-12-07 | 上汽通用五菱汽车股份有限公司 | A kind of bearing-type vehicle frame |
| CN208233164U (en) * | 2018-04-03 | 2018-12-14 | 上汽通用五菱汽车股份有限公司 | Portion connecting structure under a kind of B column |
-
2018
- 2018-04-03 CN CN201810285819.5A patent/CN110341794A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH11192977A (en) * | 1997-12-30 | 1999-07-21 | Daihatsu Motor Co Ltd | Body frame reinforcing structure for automobile |
| CN104326024A (en) * | 2014-09-29 | 2015-02-04 | 上汽通用五菱汽车股份有限公司 | Frame assembly |
| CN205769580U (en) * | 2016-05-24 | 2016-12-07 | 上汽通用五菱汽车股份有限公司 | A kind of bearing-type vehicle frame |
| CN208233164U (en) * | 2018-04-03 | 2018-12-14 | 上汽通用五菱汽车股份有限公司 | Portion connecting structure under a kind of B column |
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