CN109823397A - A kind of chassis front baffle assembly - Google Patents

A kind of chassis front baffle assembly Download PDF

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Publication number
CN109823397A
CN109823397A CN201711185740.7A CN201711185740A CN109823397A CN 109823397 A CN109823397 A CN 109823397A CN 201711185740 A CN201711185740 A CN 201711185740A CN 109823397 A CN109823397 A CN 109823397A
Authority
CN
China
Prior art keywords
herbaceous peony
stringer
chinese herbaceous
speed changer
centre gangway
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Pending
Application number
CN201711185740.7A
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Chinese (zh)
Inventor
覃鹏飞
陆毅初
陈仁泽
卢堃林
谢贵山
甘博
陈建军
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SAIC GM Wuling Automobile Co Ltd
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SAIC GM Wuling Automobile Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Publication date
Application filed by SAIC GM Wuling Automobile Co Ltd filed Critical SAIC GM Wuling Automobile Co Ltd
Priority to CN201711185740.7A priority Critical patent/CN109823397A/en
Publication of CN109823397A publication Critical patent/CN109823397A/en
Pending legal-status Critical Current

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Abstract

The present invention discloses a kind of chassis front baffle assembly, including frame head component and vehicle foreside frame assembly, vehicle foreside frame assembly includes Chinese herbaceous peony stringer and Chinese herbaceous peony crossbeam, being extended on Chinese herbaceous peony stringer has preceding floor, inverted U-shaped centre gangway front top inner wall is fixedly connected with stiffening plate roof before centre gangway, centre gangway lower end is equipped with speed changer pipe-hanging hook, stiffening plate lower part is fixedly connected with speed changer pipe-hanging hook before centre gangway, speed changer pipe-hanging hook is fixedly connected with Chinese herbaceous peony stringer, speed changer pipe-hanging hook is fixedly connected with Chinese herbaceous peony stringer bottom wall, Chinese herbaceous peony stringer, front cavity is equipped between speed changer pipe-hanging hook and centre gangway.Floor area vibration and noise before a kind of chassis front frame frame assembly structure of the invention is simple, effectively improves passenger's seating comfort, reduction, and the rigidity and impact resistance of floor area before capable of effectively improving, it avoids stress from concentrating, effectively improves bodywork safety energy.

Description

A kind of chassis front baffle assembly
Technical field
The present invention relates to a kind of frame structures of automobile, more particularly to a kind of chassis front baffle assembly.
Background technique
Body structure is made of outer covering piece, beam, pillar and structural reinforcement member, be subject to road surface chassis collision etc. load and Transmit the fundamental system of load.Body structure designs the safety to vehicle body, endurance, bending and torsion stiffness, white body mould State property can have conclusive effect.Body structure design not only influences the performance of vehicle body, also influences the weight and cost of vehicle body.
Medium-sized SUV vehicle is generally wheelbase in 5 or 7 seat coach of 2700mm or more, and traditional SUV is engine behind front wheel Forerunner, counterweight difference is big before and after vehicle is easy to appear when wheelbase reaches 2800mm, preceding heavy rear light particularly evident, influences vehicle row It is the balance sailed, stability, handling;In order to meet the general crossbeam of body performance under the conditions of long wheelbase and stringer quantity compared with More, car body weight is heavy and at high cost;Traditional front-engine rear-drive vehicle below preceding floor centre gangway, is easy since transmission shaft is arranged in Vibration and the noise for causing preceding floor, the comfort for often resulting in passenger's seating are poor;The biography of traditional chassis front frame booster It is indefinite to pass path, it is difficult to improve the security performance of vehicle.Carrier frame lacks high intensity/high rigidity closed loop configuration, unfavorable In the raising of vehicle mode/rigidity of the vehicle.The preceding floor area stringer of traditional structure and middle channel do not have a skeleton connection, and in lead to Transmission shaft is arranged at road bottom, floor area vibration and noise before easily causing in vehicle travel process.
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 structure letters Floor area vibration and noise before list, the comfort for effectively improving passenger's seating, reduction, and preceding floor area can be effectively improved The rigidity and impact resistance in domain, avoid stress from concentrating, and effectively improve the chassis front baffle assembly of bodywork safety energy.
A kind of chassis front baffle assembly of the invention, including frame head component and vehicle foreside frame assembly, institute Frame head component is stated to include the respectively arranged headstock stringer in the left and right sides and be set to two headstock stringer front ends with after Cross beam of vehicle head and head rail between end, the cross beam of vehicle head front are provided with front anti-collision beam, the vehicle foreside frame set Part includes the Chinese herbaceous peony stringer that the left and right sides is arranged and the Chinese herbaceous peony crossbeam being set between two Chinese herbaceous peony stringers, and the headstock is vertical Beam rear end is detachably fixed connection with corresponding Chinese herbaceous peony stringer front end, and being extended on the Chinese herbaceous peony stringer has preceding floor, Ground board ends are fixed with the threshold internal plate at left and right sides of vehicle body before described, and the preceding floor is located between two Chinese herbaceous peony stringers Middle part convex to form inverted U-shaped centre gangway, stiffening plate before the centre gangway center front top inner wall and centre gangway Roof is fixedly connected, and the centre gangway lower end, which is laterally extended, is provided with speed changer pipe-hanging hook, is reinforced before the centre gangway Plate lower part is fixedly connected with the speed changer pipe-hanging hook, the speed changer pipe-hanging hook and the fixed company of the Chinese herbaceous peony stringer side wall It connecing, speed changer pipe-hanging hook the other side is fixedly connected with Chinese herbaceous peony stringer bottom wall described at least one, the Chinese herbaceous peony stringer, The front cavity equipped with closure is enclosed between the speed changer pipe-hanging hook and the centre gangway.
A kind of chassis front baffle assembly of the invention may also is that
The speed changer pipe-hanging hook is fixedly connected by speed changer suspension centre bracket reinforcing plate with the Chinese herbaceous peony stringer side wall, It is detachably fixed and connect with the speed changer pipe-hanging hook in the middle part of the speed changer suspension centre bracket reinforcing plate, the speed changer suspension centre The other side of bracket reinforcing plate is fixedly connected with the Chinese herbaceous peony stringer side wall.
It is removable by suspended fixing bolt and the speed changer pipe-hanging hook in the middle part of the speed changer suspension centre bracket reinforcing plate It unloads and is fixedly connected.
One side of speed changer suspension centre bracket reinforcing plate passes through stiffening plate before vehicle body suspension centre bracket and the centre gangway It is fixedly connected, the vehicle body suspension centre bracket from top to bottom extends along the front inner wall of the centre gangway, the speed changer suspension centre Side in the centrally located channel of bracket reinforcing plate is fixedly connected with the vehicle body suspension centre bracket lower part, the vehicle body suspension centre bracket Top is fixedly connected with stiffening plate before the centre gangway.
The speed changer pipe-hanging hook other end is removably fixed in the vehicle of at least side by suspended fixing bolt On front longitudinal beam bottom.
Stiffening plate after centre gangway is provided in the centre gangway rear portion, stiffening plate top and institute after the centre gangway State and be fixedly connected at the top of centre gangway, centre gangway rear portion lower end be equipped in lead to installation crossbeam, it is described in lead to installation crossbeam Left and right ends be detachably fixed and connect with stiffening plate after the centre gangway and transmission shaft mounting bracket respectively, the transmission shaft Mounting bracket outside portion is fixedly connected with the inner sidewall of the corresponding Chinese herbaceous peony stringer, it is described in lead to the installation crossbeam and center The rear cavity equipped with closure is enclosed behind channel between stiffening plate.
Lead to installation crossbeam left and right ends portion the transmission shaft mounting bracket corresponding with the left and right sides and institute respectively in described Bolt is installed by crossbeam and is fixedly connected in the lower part for stating stiffening plate after centre gangway.
Drag-line installation stiffening plate is provided in the centre gangway rear portion, the drag-line installation stiffening plate top and center are logical Stiffening plate is fixedly connected behind road, and drag-line installation stiffening plate lower part is fixedly connected with the transmission shaft mounting bracket.
The drag-line installation stiffening plate lower part extends fixed plate by drag-line and is fixedly connected with the transmission shaft mounting bracket, The top that the drag-line extends fixed plate is fixedly connected with drag-line installation stiffening plate, and the drag-line extends the lower part of fixed plate It is fixedly connected with the transmission shaft mounting bracket.
Preceding fagging, difference at left and right sides of the preceding fagging are provided between the threshold internal plate and the Chinese herbaceous peony stringer outer wall It is fixedly connected with the side outer wall of the threshold internal plate bottom and the Chinese herbaceous peony stringer, states Chinese herbaceous peony stringer, the preceding fagging, described Threshold internal plate, the preceding floor and the threshold internal plate enclose the outside cavity equipped with closure.
A kind of chassis front baffle assembly of the invention, including frame head component and vehicle foreside frame assembly, institute Frame head component is stated to include the respectively arranged headstock stringer in the left and right sides and be set to two headstock stringer front ends with after Cross beam of vehicle head and head rail between end, the cross beam of vehicle head front are provided with front anti-collision beam, the vehicle foreside frame set Part includes the Chinese herbaceous peony stringer that the left and right sides is arranged and the Chinese herbaceous peony crossbeam being set between two Chinese herbaceous peony stringers, and the headstock is vertical Beam rear end is detachably fixed connection with corresponding Chinese herbaceous peony stringer front end, and being extended on the Chinese herbaceous peony stringer has preceding floor, Ground board ends are fixed with the threshold internal plate at left and right sides of vehicle body before described, and the preceding floor is located between two Chinese herbaceous peony stringers Middle part convex to form inverted U-shaped centre gangway, stiffening plate before the centre gangway center front top inner wall and centre gangway Roof is fixedly connected, and the centre gangway lower end, which is laterally extended, is provided with speed changer pipe-hanging hook, is reinforced before the centre gangway Plate lower part is fixedly connected with the speed changer pipe-hanging hook, the speed changer pipe-hanging hook and the fixed company of the Chinese herbaceous peony stringer side wall It connecing, speed changer pipe-hanging hook the other side is fixedly connected with Chinese herbaceous peony stringer bottom wall described at least one, the Chinese herbaceous peony stringer, The front cavity equipped with closure is enclosed between the speed changer pipe-hanging hook and the centre gangway.In this way, frame head component is Each component of headstock is supported and protects, front anti-collision beam therein is to deform absorbing impact force in the collision process of automobile head position , and vehicle foreside frame assembly is support and the setting of the protection components such as vehicle foreside personnel and seat and safety.And Be arranged between the Chinese herbaceous peony stringer of the left and right sides Chinese herbaceous peony crossbeam be in order to which whole vehicle foreside frame assembly is more stable, when When automotive front body is collided, stress is transferred to Chinese herbaceous peony crossbeam and edge along Chinese herbaceous peony crossbeam after the Chinese herbaceous peony stringer stress It is transferred on the Chinese herbaceous peony stringer of the other side, effectively delivers stress in this way, stress is avoided to concentrate, effectively improve chassis The strength and stiffness of assembly.It can be in addition, stiffening plate is arranged before the centre gangway in the centre gangway front of inverted U-shaped Effectively reinforce the strength and stiffness of centre gangway front.And stiffening plate before the centre gangway is suspended in midair by the speed changer The inner sidewall and bottom of bracket and the Chinese herbaceous peony stringer, further enhance the strength and stiffness of centre gangway, while described The front cavity equipped with closure is enclosed between Chinese herbaceous peony stringer, the speed changer pipe-hanging hook and the centre gangway.Along with itself The stringer cavity of closure formed between the two Chinese herbaceous peony stringers in preceding floor and left and right has in the cavitys of three closures of formation Air, air can effectively hinder the part distortion in the region when stress deformation, guarantee the impact resistance in region With the absorption of impact force, the security performance of vehicle body is effectively improved, simultaneously because the presence of each cavity and speed changer suspention The presence of bracket, so that fixed-area increases, fixed point increases, the vibration of floor area and noise before effectively reducing, so that Passenger's ride comfort improves.The speed changer pipe-hanging hook serves as the horizontal beam action of Chinese herbaceous peony simultaneously, is used to support Chinese herbaceous peony Stringer further avoids after an impact that deformation occurs.A kind of chassis front baffle assembly of the invention, compared with the existing technology The advantages of be: structure is simple, the comfort that effectively improves passenger's seating, floor area vibration and noise before reduction, and can The rigidity and impact resistance of floor area, avoid stress from concentrating, effectively improve bodywork safety energy before effectively improving.
Detailed description of the invention
A kind of chassis front frame frame assembly structure schematic diagram of Fig. 1 present invention.
Section B-B figure in a kind of chassis front baffle assembly Fig. 1 of Fig. 2 present invention.
D-D sectional view in a kind of chassis front baffle assembly Fig. 1 of Fig. 3 present invention.
Figure number explanation
1 ... preceding floor 2 ... vehicle body suspension centre bracket in stiffening plate 3 ... before centre gangway
4 ... speed changer pipe-hanging hook 5 ... speed changer suspension centre bracket reinforcing plate 6 ... suspended fixing bolts
Preceding fagging 9 ... the threshold internal plate of 7 ... Chinese herbaceous peony stringers 8 ...
Lead to installation crossbeam after 10 ... centre gangways in stiffening plate 11 ... transmission shaft mounting bracket 12 ...
13 ... crossbeams install bolt 14 ... drag-line and install stiffening plate 15 ... frame head component
16 ... vehicle foreside frame assembly 17 ... front anti-collision beam 18 ... headstock stringers
19 ... cross beam of vehicle head 20 ... Chinese herbaceous peony crossbeam 21 ... drag-lines extend fixed plate
22 ... transmission shafts extend fixed plate
Specific embodiment
Fig. 1 to Fig. 3 with reference to the accompanying drawing makees further specifically a kind of chassis front baffle assembly of the invention It is bright.
A kind of chassis front baffle assembly of the invention please refers to Fig. 1 related each figure into Fig. 3, including frame head Component 15 and vehicle foreside frame assembly 16, the frame head component 15 include the respectively arranged headstock stringer 18 in the left and right sides And the cross beam of vehicle head 19 and head rail being set between two 18 front-end and back-end of headstock stringer, the cross beam of vehicle head 19 Front is provided with front anti-collision beam 17, and the vehicle foreside frame assembly 16 includes Chinese herbaceous peony stringer 7 and the setting of left and right sides setting Chinese herbaceous peony crossbeam 20 between two Chinese herbaceous peony stringers 7,18 rear end of headstock stringer with before the corresponding Chinese herbaceous peony stringer 7 End is detachably fixed connection, and being extended on the Chinese herbaceous peony stringer 7 has preceding floor 1, preceding 1 both ends of floor and vehicle body or so two The threshold internal plate 9 of side is fixed, and the middle part that the preceding floor 1 is located between two Chinese herbaceous peony stringers 7 convexes to form in inverted U-shaped Channel is entreated, the centre gangway center front top inner wall is fixedly connected with 2 roof of stiffening plate before centre gangway, and the center is logical Road lower end, which is laterally extended, is provided with speed changer pipe-hanging hook 4, and 2 lower part of stiffening plate and the speed changer suspend in midair before the centre gangway Bracket 4 is fixedly connected, and the speed changer pipe-hanging hook 4 is fixedly connected with 7 side wall of Chinese herbaceous peony stringer, the speed changer suspention branch 4 the other side of frame is fixedly connected with 7 bottom wall of Chinese herbaceous peony stringer described at least one, the Chinese herbaceous peony stringer 7, speed changer suspention The front cavity equipped with closure is enclosed between bracket 4 and the centre gangway.In this way, frame head component 15 is support and protection vehicle Each component, front anti-collision beam 17 therein is the deformation absorbing impact force in the collision process of automobile head position, and vehicle body Forward frame component 16 is support and the setting of the protection components such as vehicle foreside personnel and seat and safety.And in the left and right sides The Chinese herbaceous peony stringer 7 between setting Chinese herbaceous peony crossbeam 20 be to work as vapour in order to which whole vehicle foreside frame assembly 16 is more stable When Chinese herbaceous peony vehicle body is collided, stress is transferred to Chinese herbaceous peony crossbeam 20 after 7 stress of Chinese herbaceous peony stringer and edge is along Chinese herbaceous peony cross Beam 20 is transferred on the Chinese herbaceous peony stringer 7 of the other side, effectively delivers stress in this way, stress is avoided to concentrate, effectively improve vehicle The strength and stiffness of body chassis assembly.In addition, reinforcing before the centre gangway is arranged in the centre gangway front of inverted U-shaped Plate 2 can effectively reinforce the strength and stiffness of centre gangway front.And stiffening plate 2 before the centre gangway is passed through into the change Inner sidewall and bottom of the fast device pipe-hanging hook 4 with the Chinese herbaceous peony stringer 7, further enhance the strength and stiffness of centre gangway, The front chamber equipped with closure is enclosed between the Chinese herbaceous peony stringer 7, the speed changer pipe-hanging hook 4 and the centre gangway simultaneously Body.Along with the stringer cavity of closure formed between the two Chinese herbaceous peony stringers 7 in preceding floor 1 itself and left and right, the three of formation There is air in the cavity of a closure, air can effectively hinder the part distortion in the region when stress deformation, guarantee The impact resistance in region and the absorption of impact force, effectively improve the security performance of vehicle body, simultaneously because the presence of each cavity, with And the presence of the speed changer pipe-hanging hook 4, so that fixed-area increases, fixed point increases, and effectively reduces preceding 1 region of floor Vibration and noise so that passenger's ride comfort improve.A kind of chassis front baffle assembly of the invention, relative to existing The advantages of technology, is: comfort, preceding 1 region of the floor vibration of reduction and the noise that structure is simple, effectively improves passenger takes, and The rigidity and impact resistance that preceding 1 region of floor can be effectively improved, avoid stress from concentrating, effectively improve bodywork safety energy.
A kind of chassis front baffle assembly of the invention please refers to Fig. 1 related each figure into Fig. 3, in front technical side It specifically may is that the speed changer pipe-hanging hook 4 is vertical by speed changer suspension centre bracket reinforcing plate 5 and the Chinese herbaceous peony on the basis of case 7 side wall of beam is fixedly connected, and 5 middle part of speed changer suspension centre bracket reinforcing plate is detachably fixed with the speed changer pipe-hanging hook 4 Connection, the other side of the speed changer suspension centre bracket reinforcing plate 5 is fixedly connected with 7 side wall of Chinese herbaceous peony stringer.In this way, described 5 middle part of speed changer suspension centre bracket reinforcing plate is detachably fixed with the speed changer pipe-hanging hook 4 to be connect, the speed changer suspension centre branch 5 the other side of frame stiffening plate Chinese herbaceous peony stringer 7 side wall corresponding with position is fixedly connected, thus can be by the change The side wall of fast device pipe-hanging hook 4 and the Chinese herbaceous peony stringer 7 is fixed together.When automobile bears extraneous impulsive contact force or collision When power, strength is transferred to the Chinese herbaceous peony stringer 7 by preceding floor 1 and the threshold internal plate 9, and the Chinese herbaceous peony stringer 7 is again by power Amount is transferred to the speed changer pipe-hanging hook 4, is transferred to stiffening plate 2 before the centre gangway, is being transferred to the centre gangway On, it is mating to be provided that the two speed changer pipe-hanging hooks 4 in left and right due to the two Chinese herbaceous peony stringers 7 in setting left and right, Therefore its power for being transferred to the speed changer pipe-hanging hook 4 is dispersed, and effectively prevents stress concentration, while increasing precedingly The stiffness and strength in 1 region of plate.Technical solution further preferred on the basis of technical solution is in front: the speed changer is hung It is detachably fixed and is connect with the speed changer pipe-hanging hook 4 by suspended fixing bolt 6 in the middle part of point bracket reinforcing plate 5.I.e. in institute It states corresponding position on speed changer pipe-hanging hook 4 and the speed changer suspension centre bracket reinforcing plate 5 and is provided with through-hole either screw thread Hole, the suspended fixing bolt 6 makes to be secured with nuts after passing through the through-hole or the suspended fixing bolt 6 is threadedly connected to In threaded hole, the speed changer suspension centre bracket reinforcing plate 5 and the speed changer pipe-hanging hook 4 can be thus detachably fixed It links together.Such connection type is simple, is easy for installation and removal.It can of course be using other connection types and connection Structure, as long as the speed changer pipe-hanging hook 4 can be fixedly connected with corresponding 7 inner sidewall of Chinese herbaceous peony stringer, The inner sidewall of certain speed changer suspension centre bracket reinforcing plate 5 and the Chinese herbaceous peony stringer 7, which can be, to be welded and fixed, it is also possible to His mode is fixedly connected.
A kind of chassis front baffle assembly of the invention please refers to Fig. 1 related each figure into Fig. 3, in front technical side On the basis of case it may also is that 5 one side of speed changer suspension centre bracket reinforcing plate passes through vehicle body suspension centre bracket 3 and the center Stiffening plate 2 is fixedly connected before channel, and the vehicle body suspension centre bracket 3 from top to bottom extends along the front inner wall of the centre gangway, Side in the centrally located channel of the speed changer suspension centre bracket reinforcing plate 5 is fixedly connected with 3 lower part of vehicle body suspension centre bracket, 3 top of vehicle body suspension centre bracket is fixedly connected with stiffening plate 2 before the centre gangway.In this way, 3 edge of vehicle body suspension centre bracket The centre gangway front inner wall, which from top to bottom extends, guarantees that itself is consistent with the shape of the centre gangway, effectively improves it Strength and stiffness.The speed changer suspension centre bracket reinforcing plate 5 is located at side and the vehicle body suspension centre branch in the centre gangway 3 lower part of frame is fixed, and stiffening plate 2 is fixed before 3 top of vehicle body suspension centre bracket and the centre gangway, thus can be by institute Stiffening plate 2 is indirectly solid before stating the side and the centre gangway that speed changer suspension centre bracket reinforcing plate 5 is located in the centre gangway Surely it links together, supports and protect to the speed changer pipe-hanging hook 4, while stress being avoided to concentrate, improve the speed changer The bonding strength of stiffening plate 2 before pipe-hanging hook 4 and the centre gangway improves the strength and stiffness of centre gangway, and then improves The strength and stiffness on preceding floor 1.In front it may also is that 4 other end of speed changer pipe-hanging hook on the basis of technical solution It is removably fixed at least 7 bottom of Chinese herbaceous peony stringer of side by suspended fixing bolt 6.The speed changer suspention described in this way Bracket 4 can be fixed with the bottom of the Chinese herbaceous peony stringer 7, while can also be fixed with the inner sidewall of the Chinese herbaceous peony stringer 7, in this way At least 7 side wall of Chinese herbaceous peony stringer of side and bottom and the speed changer pipe-hanging hook 4 are fixed, and fixation is stronger, and And power transmitting more disperses, and more effectively stress is avoided to concentrate.
A kind of chassis front baffle assembly of the invention please refers to Fig. 1 related each figure into Fig. 3, in front technical side It may also is that on the basis of case and be provided with stiffening plate 10 after centre gangway in the centre gangway rear portion, after the centre gangway Be fixedly connected at the top of the top of stiffening plate 10 and the centre gangway, centre gangway rear portion lower end be equipped in lead to crossbeam be installed 12, it is described in lead to installation crossbeam 12 left and right ends respectively with stiffening plate 10 after the centre gangway and transmission shaft mounting bracket 11 It is detachably fixed connection, 11 outside portion of transmission shaft mounting bracket is fixed with the inner sidewall of the corresponding Chinese herbaceous peony stringer 7 to be connected Connect, it is described in lead to after installation crossbeam 12 and the centre gangway and enclose equipped with rear cavity between stiffening plate 10.In this way, in described It entreats the rear portion in channel that stiffening plate 10 after the centre gangway is set, is fixedly connected at the top of the two, so that when centre gangway is by external force When, while external force is transmitted along the centre gangway, a part of external force dispersion is transferred to stiffening plate 10 after the centre gangway, and By stiffening plate 10 after the centre gangway be transferred in described lead to installation 12 both ends of crossbeam, and it is described in lead to installation 12 both ends of crossbeam The power of anti-deformation is generated after stress to hinder deformation, therefore external force can effectively be dispersed, and avoids stress from concentrating, effectively Improve the strength and stiffness of the centre gangway.And it is described in lead to installation crossbeam 12 and the corresponding Chinese herbaceous peony stringer 7 fixation The external force that centre gangway is born is transferred to the Chinese herbaceous peony stringer 7, can accordingly passed through the impact force of body exterior by connection The Chinese herbaceous peony stringer 7 is transferred at centre gangway, is effectively dispersed the external force being subject to, is avoided stress from concentrating, vehicle body is avoided to become Shape, while the preceding floor 1 is effectively improved in the strength and stiffness in the region.Simultaneously because leading to installation crossbeam 12 and institute in described It states and encloses the rear cavity equipped with closure after centre gangway between stiffening plate 10.Have air in the rear cavity of the closure, when by When external impacts, due to the air of rear cavity inner sealing hinder after the centre gangway stiffening plate 10 and it is described in lead to installation horizontal Rear cavity becomes smaller between beam 12, therefore it is possible to prevente effectively from leads to stiffening plate after installation crossbeam 12 and the centre gangway in described 10 deformations, that is, improve the non-deformability of the two, and then improves the strength and stiffness on the preceding floor 1.Technology in front Further preferred technical solution is on the basis of scheme: leading between the transmission shaft mounting bracket 11 and the Chinese herbaceous peony stringer 7 It crosses transmission shaft extension fixed plate 22 to be fixedly connected, it is L shaped plate body that the transmission shaft, which extends fixed plate 22, and the transmission shaft extends solid Fixed board 22 is upward or downward bending face is fixedly connected with 7 inner sidewall of Chinese herbaceous peony stringer, and the transmission shaft extends fixed plate 22 bottom flat portions are fixedly connected with the transmission shaft mounting bracket 11, in this way can by the transmission shaft mounting bracket 11 with 7 inner sidewall of Chinese herbaceous peony stringer is fixedly connected, while 11 electroprobe straight shape of the transmission shaft mounting bracket, and manufacture is facilitated to give birth to It produces, reduces cost.And be fixedly connected using the L shape folding surface that transmission shaft extends fixed plate 22 with 7 inner sidewall of Chinese herbaceous peony stringer, Fixed-area can effectively be increased, fixation is stronger.Technical solution further preferred on the basis of technical solution in front Be: the transmission shaft extends fixed plate 22 and is bolted with the transmission shaft mounting bracket 11, and transmission shaft extends fixation Plate 22 is upwardly or downwardly welded and fixed between folding surface and 7 inner sidewall of Chinese herbaceous peony stringer.Certain technical solution in front On the basis of further preferred technical solution be: it is corresponding with the left and right sides respectively to lead to installation 12 left and right ends portion of crossbeam in described The transmission shaft mounting bracket 11 is installed bolt 13 by crossbeam with the lower part of stiffening plate 10 after the centre gangway and is fixedly connected. The three of corresponding position installs bolt 13 by crossbeam and is fixed together in this way, is easy for installation and removal, while fixing more Add securely.Drag-line installation stiffening plate is provided on the basis of the technical solution it may also is that centre gangway rear portion in front 14, the drag-line installation 14 top of stiffening plate is fixedly connected with stiffening plate 10 after centre gangway, and the drag-line installs stiffening plate 14 Lower part is fixedly connected with the transmission shaft mounting bracket 11.In this way, it is logical by the center to install stiffening plate 14 by the drag-line Stiffening plate 10 and the transmission shaft mounting bracket 11 are connected and fixed behind road, can install stiffening plate in the drag-line at this time 14, lead to installation crossbeam 12 and 11 three junction of the transmission shaft mounting bracket in described to connect using crossbeam installation bolt 13 is fixed It connects, and stiffening plate 10 is then directly connect with drag-line installation stiffening plate 14 after the centre gangway.Due to being provided with the drawing Rope installs stiffening plate 14, and one of power transmission path is arranged in the inside of centre gangway again, further disperses the external force being subject to, effectively It avoids stress from concentrating, improves the strength and stiffness of centre gangway.Technology further preferred on the basis of technical solution in front Scheme is: drag-line installation 14 lower part of stiffening plate extends fixed plate 21 by drag-line and the transmission shaft mounting bracket 11 is fixed Connection, the top that the drag-line extends fixed plate 21 are fixedly connected with drag-line installation stiffening plate 14, and the drag-line extends solid The lower part of fixed board 21 is fixedly connected with the transmission shaft mounting bracket 11.It can in this way, extending fixed plate 21 by the drag-line Drag-line installation stiffening plate 14 and the transmission shaft mounting bracket 11 to be fixed together.And the drag-line extends admittedly Fixed board 21 can then have bending angle, and convenient formation does not need the drag-line installation stiffening plate 14 and carries out bending several times and influence Performance.The strength and stiffness of centre gangway can be increased simultaneously.
A kind of chassis front baffle assembly of the invention please refers to Fig. 1 related each figure into Fig. 3, in front technical side It may also is that fagging 8, the preceding support before being provided between the threshold internal plate 9 and 7 outer wall of Chinese herbaceous peony stringer on the basis of case 8 left and right sides of plate is fixedly connected with the side outer wall of 9 bottom of threshold internal plate and the Chinese herbaceous peony stringer 7 respectively, and it is vertical to state Chinese herbaceous peony Beam 7, the preceding fagging 8, the threshold internal plate 9, the preceding floor 1 and the threshold internal plate 9 enclose the outside cavity equipped with closure. Fagging 8 before being arranged, and the left and right ends of preceding fagging 8 are solid with 7 outer wall of Chinese herbaceous peony stringer and 9 inner wall of the threshold internal plate respectively Fixed connection, and then the closed outside cavity formed.Being formed in the outboard chambers of closure has air, empty when stress deformation Gas can effectively hinder the part distortion in the region, guarantee the impact resistance in the region and the absorption of impact force, effectively mention The security performance of high vehicle body, simultaneously because the presence of outboard chambers, effective supporting point of the Chinese herbaceous peony stringer 7 increases, and effectively subtracts Vibration and the noise in preceding 1 region of floor are lacked, so that passenger's ride comfort improves.
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. a kind of chassis front baffle assembly, it is characterised in that: including frame head component and vehicle foreside frame assembly, institute Frame head component is stated to include the respectively arranged headstock stringer in the left and right sides and be set to two headstock stringer front ends with after Cross beam of vehicle head and head rail between end, the cross beam of vehicle head front are provided with front anti-collision beam, the vehicle foreside frame set Part includes the Chinese herbaceous peony stringer that the left and right sides is arranged and the Chinese herbaceous peony crossbeam being set between two Chinese herbaceous peony stringers, and the headstock is vertical Beam rear end is detachably fixed connection with corresponding Chinese herbaceous peony stringer front end, and being extended on the Chinese herbaceous peony stringer has preceding floor, Ground board ends are fixed with the threshold internal plate at left and right sides of vehicle body before described, and the preceding floor is located between two Chinese herbaceous peony stringers Middle part convex to form inverted U-shaped centre gangway, stiffening plate before the centre gangway center front top inner wall and centre gangway Roof is fixedly connected, and the centre gangway lower end, which is laterally extended, is provided with speed changer pipe-hanging hook, is reinforced before the centre gangway Plate lower part is fixedly connected with the speed changer pipe-hanging hook, the speed changer pipe-hanging hook and the fixed company of the Chinese herbaceous peony stringer side wall It connecing, speed changer pipe-hanging hook the other side is fixedly connected with Chinese herbaceous peony stringer bottom wall described at least one, the Chinese herbaceous peony stringer, The front cavity equipped with closure is enclosed between the speed changer pipe-hanging hook and the centre gangway.
2. a kind of chassis front baffle assembly according to claim 1, it is characterised in that: the speed changer pipe-hanging hook It is fixedly connected by speed changer suspension centre bracket reinforcing plate with the Chinese herbaceous peony stringer side wall, in the speed changer suspension centre bracket reinforcing plate Portion is detachably fixed with the speed changer pipe-hanging hook and connect, the other side of the speed changer suspension centre bracket reinforcing plate with it is described Chinese herbaceous peony stringer side wall is fixedly connected.
3. a kind of chassis front baffle assembly according to claim 2, it is characterised in that: the speed changer suspension centre bracket It is detachably fixed and is connect with the speed changer pipe-hanging hook by suspended fixing bolt in the middle part of stiffening plate.
4. a kind of chassis front baffle assembly according to claim 2, it is characterised in that: the speed changer suspension centre bracket One side of stiffening plate is fixedly connected by vehicle body suspension centre bracket with stiffening plate before the centre gangway, the vehicle body suspension centre bracket edge The front inner wall of the centre gangway from top to bottom extends, one in the centrally located channel of speed changer suspension centre bracket reinforcing plate Side is fixedly connected with the vehicle body suspension centre bracket lower part, and stiffening plate is solid before the vehicle body suspension centre frame upper and the centre gangway Fixed connection.
5. a kind of chassis front baffle assembly according to claim 2, it is characterised in that: the speed changer pipe-hanging hook The other end is removably fixed on the Chinese herbaceous peony stringer bottom of at least side by suspended fixing bolt.
6. existing according to claim 1 to a kind of chassis front baffle assembly, feature described in 5 any one claims In: stiffening plate after centre gangway is provided in the centre gangway rear portion, after the centre gangway at the top of stiffening plate with it is described in Centre channel roof be fixedly connected, centre gangway rear portion lower end be equipped in lead to installation crossbeam, it is described in lead to installation crossbeam a left side Right both ends are detachably fixed and connect with stiffening plate after the centre gangway and transmission shaft mounting bracket respectively, the transmission shaft installation Stent outer portion is fixedly connected with the inner sidewall of the corresponding Chinese herbaceous peony stringer, it is described in lead to the installation crossbeam and centre gangway The rear cavity equipped with closure is enclosed between stiffening plate afterwards.
7. a kind of chassis front baffle assembly according to claim 6, it is characterised in that: it is left to lead to installation crossbeam in described The lower part of stiffening plate is logical after the transmission shaft mounting bracket corresponding with the left and right sides and the centre gangway respectively at right both ends Crossbeam installation bolt is crossed to be fixedly connected.
8. a kind of chassis front baffle assembly according to claim 6, it is characterised in that: in the centre gangway rear portion It is provided with drag-line installation stiffening plate, drag-line installation stiffening plate top is fixedly connected with stiffening plate after centre gangway, the drawing Rope installation stiffening plate lower part is fixedly connected with the transmission shaft mounting bracket.
9. a kind of chassis front baffle assembly according to claim 8, it is characterised in that: the drag-line installs stiffening plate Lower part extends fixed plate by drag-line and is fixedly connected with the transmission shaft mounting bracket, the drag-line extend fixed plate top and The drag-line installation stiffening plate is fixedly connected, and the drag-line extends lower part and the fixed company of the transmission shaft mounting bracket of fixed plate It connects.
10. existing according to claim 1 to a kind of chassis front baffle assembly, feature described in 5 any one claims In: be provided with preceding fagging between the threshold internal plate and the Chinese herbaceous peony stringer outer wall, at left and right sides of the preceding fagging respectively with institute It states threshold internal plate bottom to be fixedly connected with the side outer wall of the Chinese herbaceous peony stringer, states Chinese herbaceous peony stringer, the preceding fagging, the threshold Inner panel, the preceding floor and the threshold internal plate enclose the outside cavity equipped with closure.
CN201711185740.7A 2017-11-23 2017-11-23 A kind of chassis front baffle assembly Pending CN109823397A (en)

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CN110481647A (en) * 2019-09-18 2019-11-22 上海锐镁新能源科技有限公司 Floor assembly before a kind of pure electric automobile
CN111959609A (en) * 2020-09-01 2020-11-20 中国重汽集团济南动力有限公司 Heavy full-load integral vehicle body
CN112373576A (en) * 2020-03-31 2021-02-19 上汽通用五菱汽车股份有限公司 Front floor assembly structure
CN113548116A (en) * 2020-04-16 2021-10-26 本田技研工业株式会社 Vehicle body lower structure

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CN110481647A (en) * 2019-09-18 2019-11-22 上海锐镁新能源科技有限公司 Floor assembly before a kind of pure electric automobile
CN112373576A (en) * 2020-03-31 2021-02-19 上汽通用五菱汽车股份有限公司 Front floor assembly structure
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CN111959609A (en) * 2020-09-01 2020-11-20 中国重汽集团济南动力有限公司 Heavy full-load integral vehicle body

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