CN211731597U - Rear floor assembly structure for hydrogen fuel automobile - Google Patents
Rear floor assembly structure for hydrogen fuel automobile Download PDFInfo
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- CN211731597U CN211731597U CN201922363115.8U CN201922363115U CN211731597U CN 211731597 U CN211731597 U CN 211731597U CN 201922363115 U CN201922363115 U CN 201922363115U CN 211731597 U CN211731597 U CN 211731597U
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- hydrogen bottle
- floor assembly
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02T90/40—Application of hydrogen technology to transportation, e.g. using fuel cells
Abstract
The utility model aims at providing a can guarantee automobile body side wall intensity to the hydrogen fuel of lightening side wall weight is with back floor assembly structure. In order to achieve the above purpose, the utility model adopts the following technical scheme: the side wall reinforcing plate comprises a side wall inner plate, a side wall outer plate and a reinforcing framework, wherein the reinforcing framework is composed of a plurality of reinforcing columns, a plurality of fixing plates are arranged on the reinforcing columns, the fixing plates are welded and fixed with the side wall inner plate and/or the side wall outer plate, and the side wall inner plate and the side wall outer plate are fixed to limit the reinforcing framework between the side wall inner plate and the side wall outer plate. The utility model discloses a set up the enhancement skeleton that has higher yield strength between side wall inner panel, side wall planking to form the cavity between side wall inner panel, side wall planking, can guarantee the intensity of side wall inner panel and side wall planking, under the condition that can reduce the automobile collision and cause the injury to the passenger, make automobile body weight reduce, in order to improve the continuation of the journey mileage of new forms of energy car.
Description
Technical Field
The utility model relates to a hydrogen fuel cell electric automobile, concretely relates to back floor assembly structure for hydrogen fuel car.
Background
The hydrogen energy is used as recognized clean energy, and has the advantages of rich resources, environmental protection and the like. The research and development of hydrogen energy are made in various aspects internationally, and meanwhile, China develops hydrogen energy without remuneration and is expected to take the lead to the realization of the industrialization of hydrogen energy automobiles, so the research and development design of the hydrogen energy automobiles is in line with the trend of the times, and the hydrogen energy automobiles are new army with vitality.
However, compared with the conventional vehicle, the endurance mileage of the hydrogen energy vehicle is always a key bottleneck restricting the rapid development of the vehicle. Under the condition that energy density is not changed, in order to obtain higher endurance mileage, the structural design requires that the volume of a hydrogen storage container (hydrogen bottle) needs to be increased as much as possible, which inevitably occupies a large arrangement space and influences the riding space of a passenger, and if the hydrogen bottle is arranged on the existing automobile rear floor assembly, the automobile is easy to cause the pressure damage and leakage of the hydrogen bottle after being collided, and the safety is lower.
Disclosure of Invention
The utility model aims at providing a can adopt bigger volume hydrogen bottle, and use more safe rear floor assembly structure for electric automobile.
In order to achieve the above purpose, the utility model adopts the following technical scheme: the utility model provides a hydrogen fuel is back floor assembly structure for car, back floor assembly front side is fixed with the front beam assembly, back floor assembly rear side is fixed with the back crossbeam assembly, the left and right sides of back floor assembly is equipped with a side longeron assembly respectively, and two side longeron assemblies, front beam assembly and back crossbeam assembly constitute and enclose and close the forming structure, back floor assembly constitutes has the groove of stepping down and downwardly opening stepping down to the hydrogen bottle, back floor assembly downside is fixed with the hydrogen bottle mount that is used for fixed hydrogen bottle, side longeron assembly, front beam assembly and back beam assembly all constitute there is the inner chamber.
The utility model discloses a hydrogen bottle is fixed in back floor assembly downside, can utilize automobile body downside space, does not influence the automobile body inner space, and back floor assembly has the groove of stepping down, and part or whole hydrogen bottle can be located the inslot of stepping down to make hydrogen bottle and ground have a take the altitude between, it is more safe, and can adopt bigger volume's hydrogen bottle. The utility model discloses a back floor assembly is equipped with the beam structure who has the inner chamber all around, and back floor assembly constitutes biography power skeleton with beam structure all around to realize the transmission dispersion of power, can fully absorb the collision energy, guarantee passenger's the security of the lives and property, also compromise simultaneously and solved the problem that probably causes after the hydrogen bottle adds, ensure that the passenger has comfortable safe experience by bus.
Preferably, the cross sections of the side longitudinal beam assembly, the front cross beam assembly and the rear cross beam assembly are U-shaped, O-shaped or I-shaped. The beam structure around the rear floor assembly can adopt any one of the existing automobile beam structures with cavities.
Preferably, the rear floor assembly is composed of a plurality of rear floors arranged along the left-right direction, the plurality of rear floors are arranged along the front-back direction, and part or all of the rear floors are bent to form the abdicating groove. The rear floor assembly is composed of a plurality of rear floors for convenient processing and assembly.
Preferably, the hydrogen bottle fixing frames are arranged along the front-back direction, each hydrogen bottle fixing frame is composed of an upper fixing frame and a lower fixing frame, the upper fixing frame is provided with a fixing groove with a downward opening, and the upper fixing frame of each hydrogen bottle fixing frame is fixed with the rear floor assembly. A cavity is formed among the rear floor assembly, the upper fixing frame and the hydrogen bottle, so that the hydrogen bottle can not be subjected to great extrusion force when the automobile body is collided, and the conditions of hydrogen leakage, fire and the like of the hydrogen bottle are avoided. Meanwhile, the cavity formed among the rear floor assembly, the upper fixing frame and the hydrogen bottle is beneficial to force transmission and uniform distribution, so that the extrusion deformation of a passenger compartment can be reduced, the sufficient space is ensured, and the safety of passengers is ensured.
Preferably, the lower fixing frame is fixed with the hydrogen bottle, and the upper fixing frame and the lower fixing frame are detachably fixed together through a fastener. The hydrogen bottle is convenient to fix by the arrangement, and the hydrogen bottle can be limited all around only by fixing the upper fixing frame and the lower fixing frame. Wherein, the upper fixing frame and the lower fixing frame can be fixed together by bolts.
Preferably, the abdicating groove is provided with a cambered groove wall with a downward opening, the upper fixing frame is formed into a cambered section with a downward opening, and the cambered section of the upper fixing frame is attached to the cambered groove wall of the abdicating groove. The above arrangement makes the force transmission effect better and the positioning and fixing effect of the hydrogen bottle better.
Preferably, a hydrogen bottle is arranged below the rear floor assembly, a plurality of hydrogen bottle fixing frames which are arranged at intervals from left to right are arranged below the rear floor assembly, the front end of each hydrogen bottle fixing frame is fixed with the front beam assembly, the rear end of each hydrogen bottle fixing frame is fixed with the battery pack rear mounting beam assembly or the rear floor assembly, the battery pack rear mounting beam assembly is arranged along the left-right direction and fixed in the middle of the rear floor assembly, and the battery pack rear mounting beam assembly forms an inner cavity; or the front hydrogen bottle and the rear hydrogen bottle are arranged below the rear floor assembly, the hydrogen bottle fixing frame comprises a plurality of front hydrogen bottle fixing frames and a plurality of rear hydrogen bottle fixing frames, the front hydrogen bottle fixing frames are arranged at left and right intervals, the rear hydrogen bottle fixing frames are arranged at left and right intervals, and the front hydrogen bottle fixing frames and the rear hydrogen bottle fixing frames are both formed by the upper fixing frames and the lower fixing frames; the front end of an upper fixing frame of the front hydrogen bottle fixing frame is fixed with a front beam assembly, the middle part of the rear floor assembly is fixed with a battery pack rear mounting beam assembly arranged along the left-right direction, and the rear end of the upper fixing frame of the front hydrogen bottle fixing frame is fixed with the battery pack rear mounting beam assembly; the front end of the rear hydrogen bottle fixing frame is fixed with the rear floor assembly, and the rear end of the rear hydrogen bottle fixing frame is fixed with the rear cross beam assembly.
The hydrogen bottle or two hydrogen bottles are arranged and matched according to actual needs, and of course, only one hydrogen bottle can be installed when the front and rear groups of hydrogen bottle fixing frames are arranged below the rear floor assembly. The utility model discloses a hydrogen bottle mount is fixed with beam structure as far as possible, under the condition that beam structure intensity obtained the assurance, the back floor can design thinner to reduce the weight of back floor assembly. The battery pack rear mounting beam assembly is a beam structure which is provided for a conventional electric automobile and is convenient for mounting batteries.
Preferably, two adjacent rear floor boards of the rear floor board assembly are provided with mutually matched overlapping structures, each overlapping structure comprises an upper bulge and a lower bulge, and the upper bulge of one rear floor board of the two adjacent rear floor boards is supported on the upper side of the lower bulge of the other rear floor board and is welded and fixed. The arrangement makes the positioning and fixing between the rear floor assemblies more convenient.
Preferably, the side member assembly is curved along the outer shape of the hydrogen cylinder in the front-rear direction. The gas cylinder valve is arranged to avoid the hydrogen cylinder, and sufficient safety clearance is guaranteed.
Preferably, the side rail assembly comprises a rail body, an outer plate and a rail reinforcing plate, wherein the rail body and the rail reinforcing plate form a T-shaped structure which is opened towards the outside, and the outer plate is fixed at the opening of the T-shaped structure formed by the rail body and the rail reinforcing plate so that a cavity is formed in the side rail assembly; the cross sections of the front end and the rear end of the longitudinal beam body, which are deviated from, are L-shaped, and the cross section of the longitudinal beam reinforcing plate is inverted L-shaped and is supported and fixed above the longitudinal beam body. In order to ensure the rear collision performance and avoid the induction effect caused by bending, the deformation process of the side longitudinal beam is improved by using a longitudinal beam reinforcing plate reinforcing measure, and the side collision force and the rear collision lining can be effectively absorbed.
The utility model has the advantages of can adopt bigger volume hydrogen bottle, and the collision energy absorption effect is better, can guarantee passenger's the security of the lives and property.
Drawings
Fig. 1 is a schematic structural view of the present invention;
fig. 2 is an exploded view of the present invention;
FIG. 3 is an exploded view of the rear floor assembly of the present invention;
fig. 4 is a bottom view of the present invention.
Detailed Description
The invention will be further described with reference to the drawings and the specific embodiments.
Example 1
By fig. 1 to 4, the utility model discloses a back floor assembly structure for hydrogen fuel car, 1 front side of back floor assembly is fixed with the front beam assembly 2 of arranging along left right direction, 2 rear sides of back floor assembly are fixed with the rear beam assembly 3 of arranging along left right direction, the side is equipped with a side longeron assembly 4 of setting along the fore-and-aft direction respectively about back floor assembly 1, two side longeron assemblies 4, front beam assembly 2 and rear beam assembly 3 constitute and enclose the closed structure, rear floor assembly 3 constitutes has the groove of stepping down and stepping down to the hydrogen bottle, 1 downside of back floor assembly is fixed with the hydrogen bottle mount that is used for fixed hydrogen bottle, side longeron assembly 4, front beam assembly 2 and rear beam assembly 3 all constitute has the confined inner chamber, and side longeron assembly 4, front beam assembly 2 and rear beam assembly 3's cross section all is the O type.
The rear floor assembly 1 is composed of three rear floors arranged along the left-right direction, and comprises a first rear floor 11, a second rear floor 12 and a third rear floor 13, wherein the three rear floors are arranged along the front-back direction, the first rear floor 11 and the third rear floor 13 are both bent to form the abdicating groove, and the abdicating groove comprises a front abdicating groove 14 formed by the first rear floor 11 and a rear abdicating groove 15 formed by the third rear floor 13.
The hydrogen bottle fixing frames are arranged along the front-back direction, each hydrogen bottle fixing frame is composed of an upper fixing frame 51 and a lower fixing frame, the upper fixing frame 51 is provided with a fixing groove 52 with a downward opening, the upper fixing frame 51 of each hydrogen bottle fixing frame is fixed with the rear floor assembly 1, the lower fixing frame is fixed with the hydrogen bottle, the upper fixing frame is fixed, and the lower fixing frame 51 and the lower fixing frame are detachably fixed together through fasteners. The preceding groove of stepping down 14 and the back groove of stepping down 15 all have downwardly opening's cambered surface cell wall, and the upper fixing frame 51 has including constituting downwardly opening's segmental arc 53, and segmental arc 53 has fixed slot 52, both ends all are equipped with canned paragraph 54 around the segmental arc 53, and the segmental arc 53 of upper fixing frame 51 is pasted with the cambered surface cell wall in the groove of stepping down. The lower fixing frame can be a lug which is positioned on the front side and the rear side of the hydrogen bottle and is provided with a threaded hole, and the lower fixing frame can also be a hoop-shaped structure which is welded and fixed on the hydrogen bottle and has the same shape as the upper fixing frame.
The back floor assembly 1 of this embodiment has around setting up and two hydrogen bottles (not drawn in the picture) that one is little big, and the hydrogen bottle mount includes hydrogen bottle mount and two back hydrogen bottle mounts before two, and the interval sets up about two preceding hydrogen bottle mounts, and the interval sets up about two back hydrogen bottle mounts, and preceding hydrogen bottle mount and back hydrogen bottle mount by go up mount 51 and lower mount constitute.
The fixed section 54 of the upper fixing frame 51 front end of the front hydrogen bottle fixing frame 55 is fixed with the front beam assembly 2, the battery pack rear mounting beam assembly 6 arranged along the left-right direction is arranged at the lower sides of the rear end of the first rear floor 11 and the front end of the second rear floor 12, the fixed section 54 of the upper fixing frame 51 rear end of the front hydrogen bottle fixing frame 55 is fixed with the battery pack rear mounting beam assembly 6, the fixed section of the rear hydrogen bottle fixing frame 56 front end is fixed with the third rear floor 13 of the rear floor assembly, and the fixed section of the rear end of the rear hydrogen bottle fixing frame 56 is fixed with the rear beam assembly 3. Wherein, can adopt welding or bolt fastener fastening fixed etc. multiple mode to realize the fixed between two parts.
Two adjacent rear floor boards of the rear floor board assembly are provided with mutually matched lap joint structures, each lap joint structure comprises an upper bulge 16 and a lower bulge 17, and the upper bulge 16 of one rear floor board of the two adjacent rear floor boards is supported on the upper side of the lower bulge 17 of the other rear floor board and is welded and fixed.
The side longitudinal beam assembly 4 is arranged along the front-back direction in a bending way along the shape of the hydrogen bottle. The side rail assembly 4 includes a rail body 41, an outer panel 42, and a rail reinforcing panel 43, the rail body 41 and the rail reinforcing panel 43 form a T-shaped structure that is open to the outside, and the outer panel 42 is fixed to the T-shaped opening formed by the rail body 41 and the rail reinforcing panel 43 so that the side rail assembly 4 forms a sealed chamber. The cross section of the longitudinal beam body 41 deviating from the front end and the rear end is L-shaped, and the cross section of the longitudinal beam reinforcing plate 43 is inverted L-shaped and is supported and fixed above the longitudinal beam body 41.
Wherein, according to the motorcycle type of will arranging, can integrate on the floor assembly of back and fix the spare part on bandage mounting panel, back sub vehicle frame diagonal draw bar installing support, trailing arm mounting panel, the current motorcycle type of back anticollision roof beam mounting panel assembly etc.. Wherein, the utility model discloses a connection structure between beam column can be adopted to current car between front beam assembly, back floor assembly, side longeron assembly and connect, can adopt bolt fastener fixed with welded fastening's mode to fix.
The utility model has the advantages of can adopt bigger volume hydrogen bottle, and the collision energy absorption effect is better, can guarantee passenger's the security of the lives and property.
Claims (10)
1. The utility model provides a hydrogen fuel is back floor assembly structure for car, its characterized in that back floor assembly front side is fixed with the front beam assembly, back floor assembly rear side is fixed with the back crossbeam assembly, the left and right sides of back floor assembly is equipped with a side longeron assembly respectively, and two side longeron assemblies, front beam assembly and back crossbeam assembly constitute and enclose the shaping structure that closes, back floor assembly constitutes has the groove of stepping down and stepping down to the hydrogen bottle, back floor assembly downside is fixed with the hydrogen bottle mount that is used for fixed hydrogen bottle, side longeron assembly, front beam assembly and back crossbeam assembly all constitute there is the inner chamber.
2. The structure of the rear floor assembly for a hydrogen-fueled vehicle according to claim 1, wherein the side rail assemblies, the front cross member assembly, and the rear cross member assembly have a U-shaped or O-shaped or i-shaped cross section.
3. The rear floor assembly structure for a hydrogen-fueled vehicle according to claim 1, wherein the rear floor assembly is formed by a plurality of rear floors arranged in the left-right direction, the plurality of rear floors are arranged in the front-rear direction, and a part or all of the rear floors are bent to form the escape groove.
4. The rear floor assembly structure for a hydrogen-fueled vehicle according to claim 1 or 2, wherein the hydrogen bottle holders are arranged in a front-rear direction, the hydrogen bottle holders are each composed of an upper holder and a lower holder, the upper holder has a fixing groove with a downward opening, and the upper holder of the hydrogen bottle holder is fixed to the rear floor assembly.
5. The rear floor assembly structure for a hydrogen-fueled vehicle according to claim 4, wherein the lower holder is fixed to the hydrogen cylinder, and the upper holder and the lower holder are detachably fixed together by a fastener.
6. The rear floor assembly structure for a hydrogen-fueled vehicle according to claim 4, wherein the relief groove has a downwardly opening arc groove wall, the upper mount is formed with a downwardly opening arc segment, and the arc segment of the upper mount is attached to the arc groove wall of the relief groove.
7. The rear floor assembly structure for the hydrogen-fueled vehicle according to claim 4, wherein a hydrogen bottle is arranged below the rear floor assembly, a plurality of hydrogen bottle fixing frames are arranged below the rear floor assembly at intervals left and right, the front ends of the hydrogen bottle fixing frames are fixed with the front cross beam assembly, the rear ends of the hydrogen bottle fixing frames are fixed with the battery pack rear mounting cross beam assembly or the rear floor assembly, the battery pack rear mounting cross beam assembly is arranged along the left and right direction and is fixed in the middle of the rear floor assembly, and the battery pack rear mounting cross beam assembly forms an inner cavity;
or the front hydrogen bottle and the rear hydrogen bottle are arranged below the rear floor assembly, the hydrogen bottle fixing frame comprises a plurality of front hydrogen bottle fixing frames and a plurality of rear hydrogen bottle fixing frames, the front hydrogen bottle fixing frames are arranged at left and right intervals, the rear hydrogen bottle fixing frames are arranged at left and right intervals, and the front hydrogen bottle fixing frames and the rear hydrogen bottle fixing frames are both formed by the upper fixing frames and the lower fixing frames; the front end of an upper fixing frame of the front hydrogen bottle fixing frame is fixed with a front beam assembly, the middle part of the rear floor assembly is fixed with a battery pack rear mounting beam assembly arranged along the left-right direction, and the rear end of the upper fixing frame of the front hydrogen bottle fixing frame is fixed with the battery pack rear mounting beam assembly; the front end of the rear hydrogen bottle fixing frame is fixed with the rear floor assembly, and the rear end of the rear hydrogen bottle fixing frame is fixed with the rear cross beam assembly.
8. The rear floor assembly structure for a hydrogen-fueled vehicle according to claim 3, wherein adjacent two rear floor panels of the rear floor assembly are provided with an overlapping structure that is fitted to each other, the overlapping structure including an upper protrusion and a lower protrusion, the upper protrusion of one of the adjacent two rear floor panels being supported on the upper side of the lower protrusion of the other rear floor panel and being welded and fixed.
9. The structure of the rear floor assembly for a hydrogen-fueled vehicle according to claim 1, wherein the side rail assembly is curved in the front-rear direction in accordance with the shape of the hydrogen cylinder.
10. The structure of the rear floor assembly for a hydrogen-fueled vehicle according to claim 9, wherein the side rail assembly includes a rail body, an outer panel, and a rail reinforcing panel, the rail body and the rail reinforcing panel forming a T-shaped structure that opens toward the outside, the outer panel being fixed to the opening of the T-shaped structure formed by the rail body and the rail reinforcing panel so that the side rail assembly forms the chamber; the cross sections of the front end and the rear end of the longitudinal beam body, which are deviated from, are L-shaped, and the cross section of the longitudinal beam reinforcing plate is inverted L-shaped and is supported and fixed above the longitudinal beam body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922363115.8U CN211731597U (en) | 2019-12-25 | 2019-12-25 | Rear floor assembly structure for hydrogen fuel automobile |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922363115.8U CN211731597U (en) | 2019-12-25 | 2019-12-25 | Rear floor assembly structure for hydrogen fuel automobile |
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| Publication Number | Publication Date |
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| CN211731597U true CN211731597U (en) | 2020-10-23 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201922363115.8U Active CN211731597U (en) | 2019-12-25 | 2019-12-25 | Rear floor assembly structure for hydrogen fuel automobile |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112278073A (en) * | 2020-11-26 | 2021-01-29 | 武汉格罗夫氢能汽车有限公司 | Rear longitudinal beam structure and hydrogen fuel cell automobile |
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2019
- 2019-12-25 CN CN201922363115.8U patent/CN211731597U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112278073A (en) * | 2020-11-26 | 2021-01-29 | 武汉格罗夫氢能汽车有限公司 | Rear longitudinal beam structure and hydrogen fuel cell automobile |
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