CN203427907U - Rotationally-molded automobile chassis with steel structural framework - Google Patents
Rotationally-molded automobile chassis with steel structural framework Download PDFInfo
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- CN203427907U CN203427907U CN201320495241.9U CN201320495241U CN203427907U CN 203427907 U CN203427907 U CN 203427907U CN 201320495241 U CN201320495241 U CN 201320495241U CN 203427907 U CN203427907 U CN 203427907U
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- automobile chassis
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Abstract
The utility model belongs to the technical field of new energy automobiles, and particularly relates to a rotationally-molded automobile chassis with a steel structural framework. The rotationally-molded automobile chassis with the steel structural framework comprises a chassis body which comprises a surface layer, the steel structural framework and a central foaming layer. A cavity is formed in the surface layer, and the central foaming layer is arranged inside the surface layer. The steel structural framework is arranged inside the surface layer, and comprises an overall outline framework, transverse rods and longitudinal rods, wherein the transverse rods and the longitudinal rods are connected to the overall outline framework. Convex reinforcing rib structures and concave reinforcing rib structures are arranged on the top face and the bottom face of the chassis body. Embedded parts used for installation of parts are arranged on the chassis body. According to the rotationally-molded automobile chassis with the steel structural framework, the automobile chassis body is formed in a rotational molding mode at a time through the rotational molding technology, so that production procedures are simplified, production efficiency is improved and cost is reduced. The steel structural framework has the good buffering and shock absorption effect on the premise that the strength of a traditional steel structural chassis is not changed. The rotationally-molded automobile chassis with the steel structural framework has the better sound insulation and heat insulation effects.
Description
Technical field
The utility model belongs to new-energy automobile technical field, especially relates to a kind of rotational-molded automobile chassis with steel structure framework.
Background technology
At present, Development of Electric Vehicles is rapid, and the vehicle body of common electronlmobil is generally glass-felt plastic or sheet metal material, and chassis all adopts metal construction.Owing to being metal construction entirely, cause the weight of automobile self heavier, the shortcoming such as the flying power tool of automobile can be greatly affected, and the shock resistance of automobile is poor, and safety factor is low.A lot of research is being done by more domestic producers aspect the lightweight of auto body, as mentioned a kind of three-layer plastic automobile case of disposal molding in disclosed patent (CN102601905A), this automobile case is this plastic casing, and its quality is light, shock resistance is good etc.But the innovation of the domestic plastifying technology about car chassis seldom, reduces merely chassis weight, can cause its chassis rigidity intensity out of reach requirement and cause danger.
Utility model content
The purpose of this utility model is to solve the deficiencies in the prior art part, and a kind of disposal molding is provided, and reduces production process, reduces production costs; Alleviate the weight of automobile, reduce energy consumption; Improve the impact strength of automobile; Improve the rotational-molded automobile chassis with steel structure framework of the soundproof effect of automobile.
The purpose of this utility model solves by following technical proposal:
A rotational-molded automobile chassis for steel structure framework, comprises chassis main body, it is characterized in that: described chassis main body comprises top layer, steel structure framework and center foaming layer; In described top layer, be provided with cavity, described center foaming layer is in top layer internal cavities; Described steel skeleton construction is located in top layer, and steel skeleton construction comprises total profile skeleton, is connected in cross bar and vertical pole on total profile skeleton; In the main body of chassis, end face and bottom surface are respectively provided with the reinforcing rib structure of convex type and groove type; Chassis main body is provided with the inserts that parts are installed.
The top layer of chassis described in the utility model main body be outside steel skeleton construction by Plastic Rolling Molds by the one-time formed hollow plastic product of rotational molding technique.
Center described in the utility model foaming layer for adding the center foaming layer that PU expanded material forms in the cavity on top layer.
The center foaming layer of center described in the utility model foaming layer for forming by the rotational moulding of disposable rotational foaming material.
Inserts described in the utility model is located at chassis main body needs mounting parts place, has mounting hole site on inserts.
Inserts described in the utility model is connected with needing the steel structure framework at mounting parts place, has mounting hole site on inserts.
Chassis described in the utility model main body is provided with a plurality of inserts, has mounting hole site on inserts; Also include inserts adapter plate, inserts adapter plate is fixedly connected with inserts, and described inserts adapter plate and a plurality of inserts are integral type structure.
Chassis described in the utility model main body is provided with a plurality of inserts, has mounting hole site on inserts, and described a plurality of inserts are separate type, are distributed in the main body of chassis.
Compared to the prior art the utlity model has following characteristics and beneficial effect:
1, in chassis, be provided with steel structure framework, keep the rigidity intensity on chassis, extend chassis service life.
2, to the disposable rotation molding in car chassis top layer, can simplify production process, enhance productivity, reduce costs.
2, top layer internal cavity adds middle foaming layer, alleviates the weight of automobile, reduces energy consumption, joint source environmental protection.
3, middle foaming layer has strengthened rigidity on the one hand, has increased on the other hand the effect of the energy-absorbing of car chassis, reduce and impact, and the soundproof effect of automobile can be better.
Accompanying drawing explanation
Fig. 1 is the utility model structural representation.
Fig. 2 is that the utility model is looked up structural representation.
Fig. 3 is the utility model plan structure schematic diagram.
Fig. 4 is the utility model steel structure framework structural representation.
Fig. 5 is the utility model inserts and junction, chassis structural representation.
Fig. 6 is the utility model inserts and steel structure framework junction structural representation.
Fig. 7 is the utility model inserts and inserts adapter plate and junction, chassis structural representation.
The specific embodiment
Below in conjunction with accompanying drawing, the utility model is described in further details.
As shown in Figures 1 to 4, a kind of rotational-molded automobile chassis with steel structure framework, comprises chassis main body 1,, described chassis main body 1 comprises top layer 2, steel structure framework 3 and center foaming layer 4; In described top layer 2, be provided with cavity, described center foaming layer 4 is in top layer internal cavities; Described steel skeleton construction 3 is located in top layer 2, and steel skeleton construction 3 comprises total profile skeleton 5, is connected in cross bar 6 and vertical pole 7 on total profile skeleton 5.In chassis main body 1, end face and bottom surface are respectively provided with the reinforcing rib structure 8 of convex type and groove type; Chassis main body 1 is provided with the inserts 9 that parts are installed.
The top layer 2 of chassis described in the utility model main body 1 be outside steel skeleton construction 3 by Plastic Rolling Molds by the one-time formed hollow plastic product of rotational molding technique.
Center described in the utility model foaming layer 4 can be added PU expanded material and form in the cavity on top layer.The center foaming layer 4 that also can form by the rotational moulding of disposable rotational foaming material.
As shown in Figure 5, inserts 9 described in the utility model is located at chassis main body 1 needs mounting parts place, has mounting hole site 10 on inserts 9.When needs are installed small parts in chassis main body 1, directly on chassis main body 1 top layer 2, inserts 9 is set, small parts is arranged in the mounting hole site 10 of inserts 9.
As shown in Figure 6, inserts 9 described in the utility model is connected with needing the steel structure framework 3 at mounting parts place, has mounting hole site 10 on inserts 9.When the stressed larger auto parts and components such as vehicle body being installed in chassis main body 1 time, inserts 9 is connected with the steel structure framework 3 in chassis main body 1, inserts 9 can be connected with car chassis main body 1 more firm, and enough power is provided, and the parts such as vehicle body are firmly connected with chassis main body 1.
As shown in Figure 6, Figure 7, chassis described in the utility model main body 1 is provided with a plurality of inserts 9, has mounting hole site 10 on inserts 9; Also include inserts adapter plate 11, inserts adapter plate 11 is fixedly connected with inserts 9, and described inserts adapter plate 11 is integral type structure with a plurality of inserts 9.The location comparison of installing when parts is intensive, it is stressed heavier such as auto body etc. is installed, during the parts of mounting hole site 10 comparatively denses, use inserts adapter plate 11 that intensive inserts 9 is together fixed together, when chassis surface 2 is fluted, inserts adapter plate 11 will closely be connected with surperficial 2 grooves.Make inserts 9 can bear larger power, parts are more firmly connected with chassis main body 1.
As shown in Figure 5, chassis described in the utility model main body 1 is provided with a plurality of inserts 9, on inserts 9, have mounting hole site 10, described a plurality of inserts 9 is separate type, is distributed in chassis main body 1, when installation parts comparatively disperse, only inserts 9 need be fixed on to the position that car chassis 1 needs mounting parts, do not need these inserts 9 to link together, save material, avoid car chassis overweight.
In the utility model chassis main body 1, be provided with steel structure framework 3, kept the rigidity intensity of chassis main body 1, extended the service life of chassis main body.The disposable rotation molding in car chassis top layer 2, can simplify production process, enhances productivity, and reduces costs.Top layer 2 internal cavities add middle foaming layer 4, and rotational moulding top layer 2 and middle foaming layer 4 alleviate the weight of automobile simultaneously, reduce energy consumption, joint source environmental protection.Middle foaming layer 4 has strengthened rigidity on the one hand, has increased on the other hand the effect of the energy-absorbing of car chassis 1, reduce and impact, and the soundproof effect of automobile can be better.
Claims (8)
1. a rotational-molded automobile chassis with steel structure framework, comprises chassis main body, it is characterized in that: described chassis main body comprises top layer, steel structure framework and center foaming layer; In described top layer, be provided with cavity, described center foaming layer is in top layer internal cavities; Described steel skeleton construction is located in top layer, and steel skeleton construction comprises total profile skeleton, is connected in cross bar and vertical pole on total profile skeleton; In the main body of chassis, end face and bottom surface are respectively provided with the reinforcing rib structure of convex type and groove type; Chassis main body is provided with the inserts that parts are installed.
2. the rotational-molded automobile chassis with steel structure framework according to claim 1, is characterized in that: the top layer of described chassis main body be outside steel skeleton construction by Plastic Rolling Molds by the one-time formed hollow plastic product of rotational molding technique.
3. the rotational-molded automobile chassis with steel structure framework according to claim 1, is characterized in that: described center foaming layer for adding the center foaming layer that PU expanded material forms in the cavity on top layer.
4. the rotational-molded automobile chassis with steel structure framework according to claim 1, is characterized in that: the center foaming layer of described center foaming layer for forming by the rotational moulding of disposable rotational foaming material.
5. the rotational-molded automobile chassis with steel structure framework according to claim 1, is characterized in that: described inserts is located at chassis main body needs mounting parts place, has mounting hole site on inserts.
6. the rotational-molded automobile chassis with steel structure framework according to claim 1, is characterized in that: described inserts is connected with needing the steel structure framework at mounting parts place, has mounting hole site on inserts.
7. the rotational-molded automobile chassis with steel structure framework according to claim 1, is characterized in that: described chassis main body is provided with a plurality of inserts, has mounting hole site on inserts; Also include inserts adapter plate, inserts adapter plate is fixedly connected with inserts, and described inserts adapter plate and a plurality of inserts are integral type structure.
8. the rotational-molded automobile chassis with steel structure framework according to claim 1, is characterized in that: described chassis main body is provided with a plurality of inserts, has mounting hole site on inserts, and described a plurality of inserts are separate type, are distributed in the main body of chassis.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320495241.9U CN203427907U (en) | 2013-08-14 | 2013-08-14 | Rotationally-molded automobile chassis with steel structural framework |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320495241.9U CN203427907U (en) | 2013-08-14 | 2013-08-14 | Rotationally-molded automobile chassis with steel structural framework |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203427907U true CN203427907U (en) | 2014-02-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320495241.9U Expired - Fee Related CN203427907U (en) | 2013-08-14 | 2013-08-14 | Rotationally-molded automobile chassis with steel structural framework |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203427907U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103395450A (en) * | 2013-08-14 | 2013-11-20 | 宁波格林美孚新材料科技有限公司 | Rotationally molded automobile chassis with steel-structured framework |
-
2013
- 2013-08-14 CN CN201320495241.9U patent/CN203427907U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103395450A (en) * | 2013-08-14 | 2013-11-20 | 宁波格林美孚新材料科技有限公司 | Rotationally molded automobile chassis with steel-structured framework |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140212 Termination date: 20160814 |