CN223031074U - Chassis device and vehicle - Google Patents
Chassis device and vehicle Download PDFInfo
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- CN223031074U CN223031074U CN202422237114.XU CN202422237114U CN223031074U CN 223031074 U CN223031074 U CN 223031074U CN 202422237114 U CN202422237114 U CN 202422237114U CN 223031074 U CN223031074 U CN 223031074U
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- box body
- upper box
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Abstract
本实用新型公开了一种底盘装置和车辆，涉及车辆底盘技术领域，其中，底盘装置包括车架和电池包安装结构，车架包括两个纵梁，电池安装结构包括安装箱，安装箱包括上箱体和下箱体，上箱体包括盖板和在盖板的相对两侧设置的两个上箱端板两个纵梁分设于盖板的另一相对两侧，且两个纵梁作为上箱体的部分结构，下箱体、两个纵梁、盖板和两个上箱端板围合出安装空间，安装空间用以存放电池单元。本实用新型提供的技术方案旨能够化底盘装置的结构，并降低底盘装置的重量。
The utility model discloses a chassis device and a vehicle, and relates to the technical field of vehicle chassis, wherein the chassis device comprises a vehicle frame and a battery pack mounting structure, the vehicle frame comprises two longitudinal beams, the battery mounting structure comprises a mounting box, the mounting box comprises an upper box body and a lower box body, the upper box body comprises a cover plate and two upper box end plates arranged on opposite sides of the cover plate, the two longitudinal beams are arranged on the other opposite sides of the cover plate, and the two longitudinal beams serve as part of the structure of the upper box body, the lower box body, the two longitudinal beams, the cover plate and the two upper box end plates enclose an mounting space, and the mounting space is used to store battery cells. The technical solution provided by the utility model aims to simplify the structure of the chassis device and reduce the weight of the chassis device.
Description
Technical Field
The utility model relates to the technical field of vehicle chassis, in particular to a chassis device and a vehicle.
Background
The chassis device of the new energy commercial vehicle generally comprises a chassis device and a battery pack, wherein the battery pack generally comprises a mounting box and a battery unit mounted in the mounting box, and after the battery unit and the mounting box are assembled into an integral module on a split charging line body, the integral module (i.e. the battery pack) is fixed on the chassis device through a connecting bracket. The chassis device is complex in structure and can cause the problem of large weight of the whole vehicle.
Disclosure of utility model
The main purpose of the utility model is to provide a chassis device, which aims to simplify the structure of the chassis device and reduce the weight of the chassis device.
To achieve the above object, the present utility model provides a chassis device, comprising:
A frame comprising two stringers;
The battery mounting structure comprises a mounting box, the mounting box comprises an upper box body and a lower box body, the upper box body comprises a cover plate and two upper box end plates arranged at the front end and the rear end of the cover plate, two longitudinal beams are respectively arranged at the left side and the right side of the cover plate and serve as part of the structure of the upper box body, the lower box body, two longitudinal beams, the cover plate and the two upper box end plates enclose a mounting space, and the mounting space is used for storing battery units.
In one embodiment, the stringers and the deck panels are formed separately.
In an embodiment, a first flange is arranged on the outer side of the bottom edge of the longitudinal beam and the upper box end plate, a second flange is correspondingly arranged on the outer side of the top edge of the lower box body, and the first flange is connected with the second flange so as to realize the installation of the lower box body and the upper box body.
In an embodiment, the first flange includes a side mounting flange and an end mounting flange, the side mounting flange is formed by bending the bottom edge of the longitudinal beam outwards, and the end mounting flange is formed by bending the bottom edge of the upper box end plate outwards.
In an embodiment, the longitudinal beam comprises a first plate section and a second plate section which are distributed and connected along the front-back direction, the cover plate is connected with the second plate section, the bottom edge of the second plate section is outwards bent to form the end mounting flanging, and the bottom edge of the first plate section is inwards turned towards the inner side of the upper box body to form the inwards turned flanging.
In an embodiment, the first plate sections are two and are respectively arranged at the front end and the rear end of the second plate section, the frame further comprises a plurality of cross beams, and the cross beams are respectively arranged at the two first plate sections.
In one embodiment, the bottom surface of the side mounting flange is flush with the bottom surface of the end mounting flange.
In an embodiment, the chassis device further comprises a sealing ring, and the sealing ring is sandwiched between the first flange and the second flange.
In one embodiment, the second flange is annularly arranged on the opening circumference of the lower box body.
In one embodiment, the side edges of the upper box end plate in the left-right direction are turned over towards the outside of the installation space, and the connecting flanges are in sealing connection with the longitudinal beams.
In one embodiment, the lower case has two lower case end plates distributed in the front-rear direction, the lower case end plates being provided with wiring ports for mounting wiring terminals.
In an embodiment, the lower box further comprises a liquid cooling plate, the liquid cooling plate comprises a bottom plate of the lower box, and the bottom plate is provided with a refrigerant channel.
The utility model also provides a vehicle, which comprises the chassis device.
According to the technical scheme, the upper box body and the frame are integrated into a whole, the lower box body and the upper box body are fixed, at least part of box body structures of the mounting box and bracket structures of the original mounting box mounted on the frame can be saved, and therefore the structure of the chassis device can be simplified, and the weight of the chassis device can be reduced. Simultaneously, apron and last case end plate can be as the crossbeam of frame, form a firm connection structure, satisfy the intensity requirement of frame, only need demolish down the box and just can dismantle battery unit from the frame during the maintenance, improved the convenience of maintenance.
Drawings
In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, and it is obvious that the drawings in the following description are only some embodiments of the present utility model, and other drawings may be obtained according to the structures shown in these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic view of an embodiment of a chassis apparatus according to the present utility model;
FIG. 2 is another schematic diagram of the embodiment of FIG. 1;
FIG. 3 is a partial schematic view of FIG. 1 at A;
FIG. 4 is an exploded view of the embodiment of FIG. 1;
fig. 5 is a schematic structural diagram of another embodiment of the chassis device provided by the present utility model.
Reference numerals illustrate:
100. The vehicle comprises a vehicle frame, 11, longitudinal beams, 111, a first plate section, 112, a second plate section, 12 and a cross beam;
200. The battery mounting structure comprises a battery mounting structure, a mounting box, a 22, an upper box body, a 221, a cover plate, a 222, an upper box end plate, a 223, a first flange, a 224, an end mounting flange, a 225, a side mounting flange, a 226, an inner flange, a 227, a connecting flange, a 23, a lower box body, a 231, a second flange, a 232, a lower box end plate, a 24, a mounting space, a 25 and a sealing ring;
300. and a battery cell.
The achievement of the objects, functional features and advantages of the present utility model will be further described with reference to the accompanying drawings, in conjunction with the embodiments.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
It should be noted that, if directional indications (such as up, down, left, right, front, and rear are referred to in the embodiments of the present utility model), the directional indications are merely used to explain the relative positional relationship, movement conditions, and the like between the components in a specific posture, and if the specific posture is changed, the directional indications are correspondingly changed.
In addition, if there is a description of "first", "second", etc. in the embodiments of the present utility model, the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In addition, if "and/or" and/or "are used throughout, the meaning includes three parallel schemes, for example," a and/or B "including a scheme, or B scheme, or a scheme where a and B are satisfied simultaneously. In addition, the technical solutions of the embodiments may be combined with each other, but it is necessary to base that the technical solutions can be realized by those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should be considered to be absent and not within the scope of protection claimed in the present utility model.
The utility model provides a chassis device.
Referring to fig. 1 to 4, in an embodiment of the present utility model, the chassis apparatus includes a frame 100 and a battery pack mounting structure, the frame 100 includes two stringers 11, the battery mounting structure 200 includes a mounting box 21, the mounting box 21 includes an upper box 22 and a lower box 23, the upper box 22 and the lower box 23 enclose a mounting space 24, the mounting space 24 is used for storing a battery unit 300, the upper box 22 includes a cover 221, the two stringers 11 are disposed on the other opposite sides of the cover 221, and the two stringers 11 are part of the structure of the upper box 22, and the opposite sides of the cover 221 are provided with two upper box end plates 222, that is, by integrating the upper box 22 and the frame 100 into a unified structure, the lower box 23 and the upper box 22 are fixed, at least part of the box structure of the mounting box 21 and the bracket structure of the original mounting box 21 on the frame 100 can be saved, thereby simplifying the structure of the chassis apparatus and reducing the weight of the chassis apparatus. Meanwhile, the cover plate 221 and the upper box end plate 222 can be used as the cross beam 12 of the frame 100 to form a stable connecting structure, so that the strength requirement of the frame 100 is met, and the battery unit 300 can be detached from the frame 100 only by detaching the lower box 23 during maintenance, thereby improving the maintenance convenience.
Without loss of generality, the battery cell 300 may be either a cell or a cell stack, which is not particularly limited in the present application.
Referring to fig. 2, in one embodiment, the side member 11 and the cover 221 are fixed by welding, that is, after the cover 221 and the side member 11 are respectively formed by punching, they are fixed together by welding. Thus, the structure is simple and easy to realize.
In another embodiment, the side member 11 and the cover plate 221 are fixed by bolting, and a sealing strip is interposed between the side member 11 and the cover plate 211 to be able to seal the installation space 24. In this way, maintenance of the battery cell 300 can be achieved by removing the cover plate 221 from the side member 11.
Of course, the stringers 11 and the cover 221 may be of other configurations, for example, referring to fig. 5, in another embodiment, the stringers 11 and the cover 221 are integrally formed by stamping. That is, in the process of stamping the metal plate material into the frame 100, the two side members 11 and the cover plate 221 are stamped and formed from the same metal plate material, so that the side members 11 and the cover plate 221 are integrated, which contributes to the improvement of the stability of the frame 100 and the modular production of the frame 100.
In order to meet the IP protection requirements of the battery cell 300, in one embodiment, the upper case end plate 222 is hermetically connected with the cover 221 and the stringers 11 so that the upper case 22 and the lower case 23 can enclose the closed installation space 24. Further, the upper box end plate 222 is welded to the cover 221 and the side members 11, and the lower box 23 is of an integrally formed structure. In other embodiments, sealing strips are clamped between the upper box end plate 222 and the cover plate 221 and the longitudinal beams 11, and the upper box end plate 222 is in threaded connection with the cover plate 221 and the longitudinal beams 11 so as to clamp the sealing strips, so that the upper box body 22 is sealed.
In one embodiment, the longitudinal beam 11 and the bottom side of the upper case end plate 222 are provided with a first flange 223, and the top side of the lower case 23 is provided with a second flange 231, and the first flange 223 and the second flange 231 are connected to each other to connect the lower case 23 and the upper case 22, so that the installation space 24 is a closed space, and the battery unit 300 can be effectively protected. In other embodiments, the upper tank end plate 222 of the upper tank 22 and the lower tank end plate of the lower tank 23 may be fixedly connected without the first flange 223 and the second flange 231.
Referring to fig. 3, in one embodiment, the first flange 223 and the second flange 231 are coupled by bolts. The chassis device further comprises a sealing ring 25, and the sealing ring 25 is clamped between the first flange 223 and the second flange 231. The bolts are screwed to close the first flange 223 and the second flange 231 to each other such that the first flange 223 and the second flange 231 can clamp the sealing ring 25, that is, the upper case 22 and the lower case 23 are hermetically connected such that the installation space 24 is in a sealed state after the assembly of the upper case 22 and the lower case 23 is completed, so that the battery unit 300 can be protected from water and dust. In other embodiments, the mounting space 24 may be sealed with sealant after the first flange 223 and the second flange 231 are fastened by bolts.
In one embodiment, the first flange 231 includes a side mounting flange 225 and an end mounting flange 224, the side mounting flange 225 being formed by bending outward from the bottom edge of the stringers 11, the end mounting flange 224 being formed by bending outward from the bottom edge of the upper box end plate 222. Since the upper box end plate 222, the side members 11 and the cover plate 221 are formed separately, the first flange 223 is also formed separately on the upper box 22, with the end mounting flange 224 formed on the upper box end plate 222 and the side mounting flange 225 formed on the side member 11, so as to facilitate the machining and forming of the first flange 223. In other embodiments, the first flange 223 may include only the side mounting flange 225 or the end mounting flange 224, and when the first flange 223 includes only the end mounting flange 224, the seal ring 25 is abutted against the bottom edge of the side member 11, and when the first flange 225 includes only the side mounting flange 225, the seal ring 25 is abutted against the bottom edge of the upper box end plate 222.
In an embodiment, the second flange 231 is annularly provided at the opening circumference of the lower case 23 to be able to uniformly press the sealing ring 25 together with the first flange 223. In other embodiments, it is also possible that the second flange 231 is arranged relative to the first flange 223, i.e. when the first flange 223 comprises only the end mounting flange 224, the second flange 231 is arranged relative to the end mounting flange 224, and when the first flange 223 comprises only the side mounting flange 225, the second flange 231 is arranged relative to the side mounting flange 225.
In one embodiment, the longitudinal beam 11 comprises a first plate section 111 and a second plate section 112 which are connected, the cover plate 221 is connected with the second plate section 112 of the longitudinal beam 11, the bottom edge of the second plate section 112 is provided with an end mounting flange 224 which is turned over towards the outside of the box 22, the bottom edge of the first plate section 111 is provided with an inner flange 226 which is turned over towards the inside of the box 22, and the first flange 223 comprises an end mounting flange 224. That is, the turned-in flanges 226 can be used to strengthen the load-bearing structure of the stringers 11, the end mounting flanges 224 are used for mounting the lower box 23, and in the second panel section 112, the cover panels 221 and the upper box end panels 222 can compensate for the load-bearing structure of the stringers 11 so that the stringers 11 still have a good load-bearing capacity. In other embodiments, it is also possible that the first panel section 111 and the second panel section 112 of the longitudinal beam 11 are each provided with an end mounting flange 224.
Referring to fig. 4, in the present embodiment, when the upper box end plate 222 is welded to the cover plate 221 and the side member 11, the connection between the top surface of the upper box end plate 222 and the bottom surface of the cover plate 221 is disposed near the inner side of the cover plate 221, so that the first flange 223 of the upper box end plate 222 and the first flange 223 on the side member 11 can be enclosed into a frame body. After the first flange 223 is punched out, the upper box end plate 222 is welded to the cover plate 221 and the side members 11, and the lower side surface of the first flange 223 on the upper box end plate 222 and the lower side surface of the first flange 223 on the side member 11 are required to be horizontally disposed so that the first flange 223 and the second flange 231 can have uniform pressure on the seal ring 25, thereby having a good sealing effect. Since the first flange 223 on the upper case 22 is formed on the side member 11 and the upper case end plate 222, respectively, it is necessary to allow the first flange 223 on the upper case end plate 222 and the first flange 223 on the side member 11 to be enclosed into a frame so that the upper case 22 and the lower case 23 can be uniformly pressed against the seal ring.
Further, the left and right side edges of the upper box end plate 222 are provided with connection flanges 227 that are turned out to the installation space 24, and the connection flanges 227 are welded and sealed with the stringers 11. Further, the connecting flange 227 is welded sealed to the end mounting flange 224. In other embodiments, the connection between the top side of the upper end plate 222 and the bottom side of the cover plate 221 may be near the edge of the cover plate 221, where the left and right sides of the first flange 223 of the upper end plate 222 extend toward the longitudinal beam 11 and extend to the outside of the longitudinal beam 11, and the left and right side edges of the first flange 223 are near the edges of the end mounting flanges 224, so that the first flange 223 of the upper end plate 222 and the first flange 223 on the longitudinal beam 11 can enclose a frame body. In another embodiment, the connecting flange 227 is connected with the longitudinal beam 11 through bolts, and a sealing strip is clamped between the connecting flange 227 and the longitudinal beam 11.
In an embodiment, the first plate sections 111 are provided with two and are disposed at opposite ends of the second plate section 112, and the frame 100 further includes a plurality of cross members 12, where the plurality of cross members 12 are disposed separately on the two first plate sections 111, so as to strengthen the bearing structure of the first plate sections 111, so that the bearing performance of the frame 100 is better. The second plate section 112 of the side member 11 is integrated with the upper case 22 to integrate the battery mounting structure 200 with the vehicle frame 100, and the length of the first plate section 111 of the side member 11 and the number of upper cross members 12 of the first plate section 111 may be adjusted according to the applicable vehicle structure, which is not limited herein. In other embodiments, it is also possible that the first plate section 111 is provided with only one, or that the first plate section 111 is of a shorter length and is not provided with a cross beam 12.
In one embodiment, the chassis device further includes a battery unit 300, and the battery unit 300 is disposed in the installation space 24. That is, in the present embodiment, the battery unit 300 (battery system) and the chassis structure (including the vehicle frame 100, the battery mounting structure 200) are produced and sold together as the chassis device. Of course, in other embodiments, the chassis device may include only the chassis structure and not include the battery unit 300.
In one embodiment, the lower case 23 is provided with a connection port provided in the lower case end plate 232 in the extending direction of the side member 11. The battery unit 300 includes a wire set including a wire interface exposed at the wire connection port for supplying power to the vehicle. Further, a junction port is provided in the lower tank end plate 232 near the head of the vehicle. In other embodiments, the wiring port is provided in the lower box end plate 232 at a position remote from the head of the vehicle.
In one embodiment, the lower case 23 further includes a liquid cooling plate, which includes a bottom plate of the lower case 23, and the bottom plate is provided with a refrigerant passage to thermally manage the battery unit 300. Further, the bottom plate of the lower case 23 is provided with a refrigerant channel, and a liquid inlet and a liquid outlet which are communicated with the refrigerant channel, and the refrigerant channel is used for circulating cooling liquid. In this way, the thermal management performance of the battery mounting structure 200 can be improved. Further, the bottom plate of the lower case 23 is formed by an extrusion process, and the refrigerant passage is extruded. Of course, in other embodiments, other forms of liquid-cooled plates, such as stamped flow channels plus brazed liquid-cooled plates, may be used. It can be understood that when the lower case 23 is made of aluminum alloy, the lower case 23 having the coolant channel is compatible with two heat management modes of battery cell liquid cooling and natural cooling, i.e. if the coolant channel is circulated with the coolant, the coolant can cool and heat the battery cell 300, and if the coolant channel is not circulated with the coolant, the mounting case 21 is naturally cooled.
The utility model also provides a vehicle, which comprises the chassis device, and the specific structure of the chassis device refers to the embodiment, and because the vehicle adopts all the technical schemes of all the embodiments, the vehicle has at least all the beneficial effects brought by the technical schemes of the embodiments, and the description is omitted herein.
The foregoing description is only exemplary embodiments of the present utility model and is not intended to limit the scope of the utility model, and all equivalent structural changes made by the description of the present utility model and the accompanying drawings or direct/indirect application in other related technical fields are included in the scope of the present utility model.
Claims (10)
1. A chassis apparatus, comprising:
A frame comprising two stringers;
The battery mounting structure comprises a mounting box, the mounting box comprises an upper box body and a lower box body, the upper box body comprises a cover plate and two upper box end plates arranged at the front end and the rear end of the cover plate, two longitudinal beams are respectively arranged at the left side and the right side of the cover plate and serve as part of the structure of the upper box body, the lower box body, two longitudinal beams, the cover plate and the two upper box end plates enclose a mounting space, and the mounting space is used for storing battery units.
2. The floor pan assembly of claim 1, wherein said stringers and said deck panels are formed separately.
3. The chassis apparatus of claim 1, wherein the stringers and the upper box end plate have first flanges on the outer sides of the bottom edges thereof, and the lower box has second flanges on the outer sides of the top edges thereof, the first flanges being connected to the second flanges to effect the mounting of the lower and upper boxes.
4. A chassis arrangement according to claim 3, wherein the first flange includes a side mounting flange and an end mounting flange, the side mounting flange being formed by bending outwardly from the bottom edge of the stringers and the end mounting flange being formed by bending outwardly from the bottom edge of the upper box end panel.
5. The chassis apparatus of claim 4, wherein the stringers include first and second plate segments disposed in a front-to-rear direction and connected, the cover plate being connected to the second plate segment, a bottom edge of the second plate segment being bent outwardly to form the end mounting flange, the bottom edge of the first plate segment being bent inwardly toward an inner side of the upper box.
6. The chassis apparatus of claim 5, wherein the first plate section is provided in two and is disposed separately at front and rear ends of the second plate section, and the frame further comprises a plurality of cross members disposed separately at the two first plate sections.
7. The chassis apparatus of claim 4 wherein the bottom surface of the side mounting flange is flush with the bottom surface of the end mounting flange;
and/or, the chassis device further comprises a sealing ring, and the sealing ring is clamped between the first flange and the second flange;
and/or the second flange is annularly arranged on the opening circumference of the lower box body.
8. The chassis apparatus of claim 4, wherein the side edges of the upper tank end plate in the left-right direction are folded toward the outside of the installation space with connection flanges, and the connection flanges are connected with the stringers in a sealing manner.
9. The chassis apparatus as claimed in claim 1, wherein the lower case has two lower case end plates distributed in a front-rear direction, the lower case end plates being provided with wiring ports for mounting wiring terminals;
And/or, the lower box body further comprises a liquid cooling plate, the liquid cooling plate comprises a bottom plate of the lower box body, and the bottom plate is provided with a refrigerant channel.
10. A vehicle comprising a chassis arrangement according to any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202422237114.XU CN223031074U (en) | 2024-09-11 | 2024-09-11 | Chassis device and vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202422237114.XU CN223031074U (en) | 2024-09-11 | 2024-09-11 | Chassis device and vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN223031074U true CN223031074U (en) | 2025-06-27 |
Family
ID=96124517
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202422237114.XU Active CN223031074U (en) | 2024-09-11 | 2024-09-11 | Chassis device and vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN223031074U (en) |
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2024
- 2024-09-11 CN CN202422237114.XU patent/CN223031074U/en active Active
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Legal Events
| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: 310000 1760 Jiangling Road, Binjiang District, Hangzhou, Zhejiang. Patentee after: ZHEJIANG GEELY HOLDING GROUP Co.,Ltd. Country or region after: China Patentee after: Zhejiang Remote New Energy Commercial Vehicle Group Co.,Ltd. Patentee after: Zhejiang remote commercial vehicle R & D Co.,Ltd. Address before: 310000 1760 Jiangling Road, Binjiang District, Hangzhou, Zhejiang. Patentee before: ZHEJIANG GEELY HOLDING GROUP Co.,Ltd. Country or region before: China Patentee before: Zhejiang Geely Remote New Energy Commercial Vehicle Group Co.,Ltd. Patentee before: Zhejiang remote commercial vehicle R & D Co.,Ltd. |
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| CP03 | Change of name, title or address |