CN202029898U - Connecting structure for engine cabin assembly and front floor assembly - Google Patents
Connecting structure for engine cabin assembly and front floor assembly Download PDFInfo
- Publication number
- CN202029898U CN202029898U CN2010206203308U CN201020620330U CN202029898U CN 202029898 U CN202029898 U CN 202029898U CN 2010206203308 U CN2010206203308 U CN 2010206203308U CN 201020620330 U CN201020620330 U CN 201020620330U CN 202029898 U CN202029898 U CN 202029898U
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- longeron
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Abstract
The utility model relates to a connecting structure for an engine cabin assembly and a front floor assembly. The connecting structure for the engine cabin assembly and the front floor assembly comprises a dash panel main body, engine cabin longitudinal beams, engine cabin longitudinal beam stiffening plates, a floor main body and a longitudinal beam stiffening upper cover plate, wherein the engine cabin longitudinal beams are connected to the front surface of the dash panel main body; the engine cabin longitudinal beam stiffening plates are connected inside the engine cabin longitudinal beams; the longitudinal beam stiffening upper cover plate is connected to the upper surface of the floor main body; a longitudinal beam stiffening inner plate is arranged in the longitudinal beam stiffening upper cover plate; the engine cabin longitudinal beams are connected with floor lower longitudinal beams; lower longitudinal beam stiffening plates are welded on the inner sidewalls of the engine cabin longitudinal beams and the floor lower longitudinal beams; and a closed section structure is formed by encircling the engine cabin longitudinal beams, front floor lower longitudinal beams, lower longitudinal beam stiffening plates and longitudinal beam stiffening cover plates. The utility model provides the connecting structure for the engine cabin assembly and the front floor assembly which has good connecting strength and rigidity, the problem of not good enough bonding strength and rigidity between the front floor assembly and the engine cabin assembly in the prior art and the mentioned harmful problems caused by dividing floor longitudinal beams to the engine cabin assembly are solved.
Description
Technical field
The utility model relates to automotive field, relates in particular to the connection structure of a kind of housing assembly and preceding floor assembly.
Background technology
Design about car, body structure design-calculated quality directly has influence on car load safety and traveling comfort, especially vehicle body bending stiffness and torsional stiffness are even more important, and under the situation of same selection, different these construction parameter that directly have influence on of each several part cross sectional shape and overlapping mode also affect manufacturing process.For integral rigidity and the intensity that improves body structure, each big car company is more and more paid attention to the vehicle body Cross section Design, analyzes, calculate, and the work of aspects such as data bank foundation, and achievement in research used in the body structure go.
An at present common floor and a cabin are overlapped with two kinds: first kind is: preceding longitudinal floor beam and front floor of vehicle body plate assembly weld, and then overlap with machinery space assembly (sending out a housing assembly to call in the following text), back floor assembly, constitute the body bottom section assembly jointly.Second kind is: for overlap joint, the welding quality that improves front deck longeron and preceding longitudinal floor beam, preceding longitudinal floor beam is divided in the body in white welding process in the preceding housing assembly, after connecting with longeron rear end, a cabin tie welding earlier, fall preceding floor assembly then, with it welding.
This dual mode is widely adopted, but still has defective: 1, and the joint bonding layer is too much, stability of the welding quality is poor, auto sale market requirement for anticorrosion later on is more and more higher in addition, if ground plate portion spare adopts zincing steel sheet, the welding quality fugitiveness of longeron can be bigger.2, because of after floor pan assembly falls, produce the closed region, the welding of longeron overlap joint is implemented difficulty and is strengthened; If increase technology via hole tends to framing member and cover panel are produced destruction, reduce car load safety and traveling comfort.3, longitudinal floor beam is unfavorable for carrying after being divided into and sending out housing assembly, and longeron is long from sending out the housing assembly sponson, mutability, and dangerous high.
From security consideration, in collision case, the deflection of structure is directly connected to occupant's living space herein in addition, and improving the rigidity of structure has significance.
The utility model content
The utility model provides the connection structure of sending out housing assembly and preceding floor assembly of a kind of Joint strenght and good rigidity, has solved existing preceding floor assembly problem not good enough with sending out housing assembly Joint strenght and rigidity and longitudinal floor beam and has been divided into the above-mentioned bad problem of mentioning that is caused behind the housing assembly of sending out.
Above technical matters solves by following technical proposal: the connection structure of a kind of housing assembly and preceding floor assembly, comprise the dash shield body, be connected a cabin longeron of this body front surface of dash shield, be connected a cabin longeron brace panel of sending out in the longeron of cabin, floor body, the longeron that is connected the floor body upper surface is strengthened upper cover plate and seat crossbeam, described longeron is strengthened being provided with in the upper cover plate longeron and is strengthened inner panel, the cross-sectional plane of described cabin longeron is " U " font, on the sidewall of described cabin longeron, be provided with and send out the beam flanging, the rear end of described cabin longeron is welded on the front end of longeron under the floor, the cross-sectional plane of longeron is " U " font under the described floor, the longeron sidewall is provided with the longeron flanging under the described floor, be welded with down the longeron brace panel on the two the madial wall of longeron under described cabin longeron and the floor, under the rear end of described cabin longeron and the described floor longeron the two be supported on the lower surface of described floor body, the front end of described floor body is welded on the lower end of described dash shield body, the cross-sectional plane that described longeron is strengthened upper cover plate is inverted " U " font, the sidewall that described longeron is strengthened cover plate is provided with the cover plate flanging, described cover plate flanging, the two is welded on described beam flanging described floor body, the longeron flanging is on the two.Because of the cross section principal moments of inertia, determined the anti-bending strength in cross section, affect the mode of flexural vibration and the bending stiffness of vehicle body simultaneously.Torsion constant (torsional moment of inertia) determines the cross section torsional property, influences the torsion mode and the torsional stiffness of whole vehicle body.Longitudinal floor beam is that promptly not putting under of separating sent out housing assembly with sending out the cabin longeron, weld together just in the time will sending out housing assembly and dock with preceding floor assembly, do not exist sending out behind the housing assembly so can not be divided into: be unfavorable for carrying as longitudinal floor beam, longeron is long from sending out the housing assembly sponson, mutability, and dangerous high problem, the orientation of each parts of mentioning in this patent is forward and backward, upper and lower to be to be the orientation of object of reference with the car.
As preferably, the described front end of longeron brace panel down is welded on the lower end of described cabin longeron brace panel.Make a housing assembly more firm with being connected of preceding floor assembly.
As preferably, the cross-sectional plane of longeron brace panel is " U " font under the described floor, the sidewall of longeron brace panel is provided with the brace panel flanging under the described floor, and the two links to each other the longeron brace panel by longeron under described brace panel flanging and described cabin longeron and the described floor under the described floor.The longeron brace panel can be welded on more easily send out under cabin longeron and the floor longeron on the two, economize material simultaneously.
As preferably, longeron rear end, described cabin overlap joint also is welded in the front end of longeron under the described floor, and the lap of splice of the two is 20-100 millimeters.Guarantee to send out between cabin longeron and the lower floor longeron enough Joint strenghts are arranged.
As preferably, the length of longeron brace panel is 200-800 millimeters under the described floor.Guarantee under the prerequisite that can play good stiffening effect, to make the material consumption amount reasonable, cost-cutting.
As preferably, the connection side of described dash shield body and described floor body is inverted " V " font.When guarantee sending out housing assembly and be connected with preceding floor assembly under the prerequisite of convenient welding, the area accounting of reasonably distributing dash shield body and floor body makes preceding floor assembly be convenient to processing and transportation, floor body is not yielding simultaneously.
As preferably, the rear end that described longitudinal floor beam is strengthened lid is welded on the described seat crossbeam.Make the safety performance of driving compartment better.
As preferably, the length that described underframe longitudinal member is strengthened longeron brace panel under the length of cover plate and the described base plate is complementary.Make in the overlap joint zone of whole housing assembly and preceding floor assembly, longeron, following longeron brace panel, longeron are strengthened cover plate and are encircled into closed cross sectional structure under a cabin longeron, the floor.
The utlity model has following advantage:
1. the welding process quality improves, fitting and weld in following longeron brace panel and longeron (sending out the general name of longeron under cabin longeron and the floor, down together) side, avoids and the too much phenomenon of the longeron flange overlap joint back number of plies, avoid multilayer welding, guaranteed the welding quality and the stability of longeron overlap joint.
2, strengthen cover plate and be encircled into closed cross sectional structure by longeron, following longeron brace panel, longeron under a cabin longeron, the floor, and assurance continuity, improve bending stiffness and torsional stiffness, helped improving the structural rigidity of driving compartment, reduced the deflection that under the external force effect crew module is caused.
3, since this bridging arrangement in welding process, longeron preferentially welds, and needs to implement the process of welding by digging the technology breach after having avoided floor body to fall, framing member and cover panel all are not damaged, safety and traveling comfort improve.
4, the overlap joint zone of whole housing assembly and preceding floor assembly is longer at fore-and-aft direction, and reasonably is assigned in the different sections, helps the raising of structural integrity.
Description of drawings
Fig. 1 is an exploded perspective view of the present utility model.
Fig. 2 is for to carry out the bonded assembly scheme drawing with longeron under of the present utility model cabin longeron and the base plate.
Fig. 3 is for to carry out the bonded assembly scheme drawing with longeron brace panel under the base plate of the present utility model.
Fig. 4 carries out the bonded assembly scheme drawing for longeron, dash shield body under the floor body that will be of the present utility model be connected with longeron and strengthens upper cover plate and seat crossbeam and a cabin longeron and the floor.
Fig. 5 is for of the present utility model from the roof scheme drawing that direction is carried out projection at the bottom of car.
Fig. 6 is the cross sectional representation of profile for the center line with framing member and cover panel of the present utility model.
Fig. 7 is that the bridging arrangement of first kind of simulation joint form is the cross sectional representation of profile with the center line of framing member and cover panel.
Fig. 8 is that the bridging arrangement of second kind of simulation joint form is the cross sectional representation of profile with the center line of framing member and cover panel.
Fig. 9 is the cross sectional representation of profile for the bridging arrangement of the third simulation joint form with the center line of framing member and cover panel.
The specific embodiment
Below in conjunction with accompanying drawing and embodiment the utility model is further described.Referring to Fig. 1, the connection structure of a kind of housing assembly and preceding floor assembly, comprise dash shield body 1, be connected a cabin longeron 2 of dash shield body 1 front surface, be connected a cabin longeron brace panel 3 of sending out in the cabin longeron 2, floor body 4, the longeron that is connected floor body 4 upper surfaces is strengthened upper cover plate 5 and seat crossbeam 6, the rear end that longeron is strengthened upper cover plate 5 is connected on the seat crossbeam 6, longeron is strengthened being provided with in the upper cover plate 5 longeron and is strengthened inner panel 9, the cross-sectional plane of sending out cabin longeron 2 all is " U " font, on two sidewalls sending out cabin longeron 2, all be provided with and send out beam flanging 21, sending out beam flanging 21 forms for the outside bending of the upper limb of two sidewalls of a cabin longeron 2, the cross-sectional plane of longeron 7 is " U " font under the floor, under the floor, all be provided with longeron flanging 71 on two of longeron 7 sidewalls, longeron flanging 71 forms for the outside bending of the upper limb of two sidewalls of longeron 7 under the floor, the cross-sectional plane of longeron brace panel 8 is " U " font under the floor, under the floor, be provided with brace panel flanging 81 on the sidewall of longeron brace panel, brace panel flanging 81 forms for the outside bending of the upper limb of two sidewalls of longeron brace panel 8 under the base plate, the cross-sectional plane that longeron is strengthened upper cover plate 5 is inverted " U " font, all be provided with cover plate flanging 51 on two sidewalls of longeron reinforcement cover plate 5, cover plate flanging 51 is strengthened the outwards bending of lower edge of two sidewalls of cover plate 5 for longeron, coaming plate connection side 11 and floor connection side 41 all are inverted " V " word, and method and step that above each parts are linked together are:
The first step, referring to Fig. 2, be welded in " U " shape groove of sending out cabin longeron 2 sending out cabin longeron brace panel 3, sending out cabin longeron brace panel 3 is contained in the cabin longeron 2 fully, dash shield body 1 is connected on the cabin longeron 2, the front end of longeron under the floor 7 is overlapped on the rear end of sending out cabin longeron 2, longeron 7 is 70mm with the lap of splice of sending out cabin longeron 2 under the floor, the lap of splice is designed to 70mm in the present embodiment, between the longeron 7 enough Joint strenghts are arranged in order to guarantee to send out under cabin longeron 2 and the floor, the lap of splice of the two is designed to 20-100 millimeters and gets final product, then with the two weld together, between a beam flanging 21 and longeron flanging 71,4 solder joints are set, between 3 binding faces sending out longeron 7 under cabin longeron 2 and the floor, 6 solder joints are set respectively;
Second step, referring to Fig. 3, longeron brace panel 8 under the floor is placed on sends out the two the inside of longeron under cabin longeron 2 and the floor 7, in the present embodiment under the floor length of longeron brace panel 8 be 500mm, reasonable in order to guarantee under the prerequisite that can play good stiffening effect, to make the material consumption amount, cost-cutting, under the floor Design of length of longeron brace panel 8 be 200-800 millimeters proper, brace panel flanging 81 is welded on sends out on the two the sidewall of longeron under cabin longeron 2 and the floor 7, avoided like this and the too much phenomenon of the longeron flange overlap joint back number of plies, 14-18 solder joint is set realizes two-layer weldering, consider structural continuity simultaneously, with the front end of longeron brace panel 8 under the floor promptly the left end among the figure fit and weld togethers with sending out cabin longeron brace panel 3, two solder joints are set between the two;
The 3rd step, referring to Fig. 4, longeron is strengthened inner panel 9 to be welded in the longeron reinforcement upper cover plate 5, and longeron reinforcement inner panel 9 is contained in the longeron reinforcement upper cover plate 5 fully, seat crossbeam 6 is connected on the floor body 4, longeron is strengthened upper cover plate 5 to be shelved on the floor body 4, the rear end that longeron is strengthened upper cover plate 5 i.e. right-hand member among the figure is welded on the seat crossbeam 6, again floor body 4 is shelved on and sends out under cabin longeron 2 and the floor on the longeron 7, the two aligns with sending out beam flanging 21 and longeron flanging 71 to make cover plate flanging 51, and floor connection side 41 aligns with coaming plate connection side 11 and overlaps, the length that longeron is strengthened upper cover plate 5 is 660mm, the Design of length that longeron is strengthened upper cover plate 5 for the floor under the length of longeron brace panel 8 quite get final product, with floor body 1 and dash shield body 4 weld togethers, longeron reinforcement this moment upper cover plate 5 will be sent out longeron 7 formation closed cross-sections under cabin longeron 2 rear portions and the floor, sending out beam flanging 21, longeron flanging 71, cover plate flanging 51 places carry out three layers of welding, and they are linked together.
Schematic top plan view when each parts of the utility model are assembled together is seen Fig. 5.
Claims (10)
1. connection structure of sending out housing assembly and preceding floor assembly, it is characterized in that, it comprises the dash shield body, be connected a cabin longeron of this body front surface of dash shield, be connected a cabin longeron brace panel of sending out in the longeron of cabin, floor body, the longeron that is connected the floor body upper surface is strengthened upper cover plate and seat crossbeam, described longeron is strengthened being provided with in the upper cover plate longeron and is strengthened inner panel, the cross-sectional plane of described cabin longeron is " U " font, on the sidewall of described cabin longeron, be provided with and send out the beam flanging, the rear end of described cabin longeron is welded on the front end of longeron under the described floor, the cross-sectional plane of longeron is " U " font under the described floor, the longeron sidewall is provided with the longeron flanging under the described floor, be welded with down the longeron brace panel on the two the madial wall of longeron under described cabin longeron and the floor, longeron is supported on the lower surface of described floor body under described cabin longeron and the described floor, the front end of described floor body is welded on the lower end of described dash shield body, the cross-sectional plane that described longeron is strengthened upper cover plate is inverted " U " font, the sidewall that described longeron is strengthened cover plate is provided with the cover plate flanging, described cover plate flanging, the two is welded on described beam flanging described floor body, the longeron flanging is on the two.
2. the connection structure of a housing assembly according to claim 1 and preceding floor assembly is characterized in that, the described front end of longeron brace panel down is welded on the rear end of described cabin longeron brace panel.
3. the connection structure of a housing assembly according to claim 1 and preceding floor assembly, it is characterized in that, the cross-sectional plane of longeron brace panel is " U " font under the described floor, the sidewall of longeron brace panel is provided with the brace panel flanging under the described floor, and the two links to each other the longeron brace panel by longeron under described brace panel flanging and described cabin longeron and the described floor under the described floor.
4. according to claim 1 or 2 or the connection structure of 3 described housing assemblies and preceding floor assembly, it is characterized in that longeron rear end, described cabin overlap joint also is welded in the front end of longeron under the described floor, the lap of splice of the two is 20-100 millimeters.
5. the connection structure of a housing assembly according to claim 4 and preceding floor assembly is characterized in that, the length of longeron brace panel is 200-800 millimeters under the described floor.
6. the connection structure of a housing assembly according to claim 5 and preceding floor assembly is characterized in that, the connection side of described coaming plate body and described floor body is inverted " V " font.
7. the connection structure of a housing assembly according to claim 6 and preceding floor assembly is characterized in that, the rear end that described longitudinal floor beam is strengthened lid is welded on the described seat crossbeam.
8. according to claim 1 or 2 or the connection structure of 3 described housing assemblies and preceding floor assembly, it is characterized in that the rear end that described longitudinal floor beam is strengthened lid is welded on the described seat crossbeam.
9. the connection structure of a housing assembly according to claim 4 and preceding floor assembly is characterized in that, the rear end that described longitudinal floor beam is strengthened cover plate is welded on the described seat crossbeam.
10. according to claim 1 or 2 or the connection structure of 3 described housing assemblies and preceding floor assembly, it is characterized in that the length that described underframe longitudinal member is strengthened longeron brace panel under the length of cover plate and the described base plate is complementary.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206203308U CN202029898U (en) | 2010-11-24 | 2010-11-24 | Connecting structure for engine cabin assembly and front floor assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206203308U CN202029898U (en) | 2010-11-24 | 2010-11-24 | Connecting structure for engine cabin assembly and front floor assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202029898U true CN202029898U (en) | 2011-11-09 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010206203308U Expired - Fee Related CN202029898U (en) | 2010-11-24 | 2010-11-24 | Connecting structure for engine cabin assembly and front floor assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202029898U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105015623A (en) * | 2015-07-31 | 2015-11-04 | 中国汽车工程研究院股份有限公司 | Body in white bend resistance structure and arrangement mode thereof |
| CN105818862A (en) * | 2015-01-05 | 2016-08-03 | 广州汽车集团股份有限公司 | Front cabin longitudinal beam rear segment structure and automobile |
| CN107600194A (en) * | 2017-08-25 | 2018-01-19 | 吉利汽车研究院（宁波）有限公司 | A kind of automotive floor panel reinforcement structure and automobile |
| CN111469929A (en) * | 2019-01-23 | 2020-07-31 | 沃尔沃汽车公司 | Reinforcing device |
| CN114537536A (en) * | 2020-11-25 | 2022-05-27 | 本田技研工业株式会社 | Vehicle body structure |
-
2010
- 2010-11-24 CN CN2010206203308U patent/CN202029898U/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105818862A (en) * | 2015-01-05 | 2016-08-03 | 广州汽车集团股份有限公司 | Front cabin longitudinal beam rear segment structure and automobile |
| CN105818862B (en) * | 2015-01-05 | 2018-06-19 | 广州汽车集团股份有限公司 | Front deck longeron rear section structure and automobile |
| CN105015623A (en) * | 2015-07-31 | 2015-11-04 | 中国汽车工程研究院股份有限公司 | Body in white bend resistance structure and arrangement mode thereof |
| CN105015623B (en) * | 2015-07-31 | 2018-01-09 | 中国汽车工程研究院股份有限公司 | A kind of counter-bending structure of white body and its arrangement |
| CN107600194A (en) * | 2017-08-25 | 2018-01-19 | 吉利汽车研究院（宁波）有限公司 | A kind of automotive floor panel reinforcement structure and automobile |
| CN111469929A (en) * | 2019-01-23 | 2020-07-31 | 沃尔沃汽车公司 | Reinforcing device |
| CN114537536A (en) * | 2020-11-25 | 2022-05-27 | 本田技研工业株式会社 | Vehicle body structure |
| CN114537536B (en) * | 2020-11-25 | 2024-04-30 | 本田技研工业株式会社 | Vehicle body structure |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20111109 Termination date: 20131124 |