Joint assembly and vehicle
By designing interchangeable joint components, using connected circulating water pipes and connecting joints, the compatibility of different vehicle models of battery swap systems is solved, and a lower cost design and a higher versatility battery cooling system is achieved.
Patent Information
- Application Number
- CN202421592903.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-07-05
- Publication Date
- 2025-06-06
- Estimated Expiration
- 2034-07-05
AI Technical Summary
The battery swap systems of different vehicle platforms and models are difficult to compatible, which makes it difficult to adapt to the installation position of the front and rear of the vehicle, increasing the design and production costs and reducing the versatility of the battery.
A joint assembly including a first joint assembly and a second joint assembly is designed. The first joint assembly is on one side of the vehicle body and the second joint assembly is on the other side. Through the connected circulation water pipe and the connecting joint, the entire cooling water circuit is realized, allowing the position of the first joint and the second joint to be interchanged to meet the installation needs of different vehicles.
It improves the compatibility of joint components, reduces design and production costs, meets the needs of different vehicle platforms and models, and makes the battery more versatile. The liquid cooling pipeline interface can be set at the front or rear of the vehicle.
Smart Images

Figure CN222950635U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of power batteries, and specifically provides a joint assembly and a vehicle. Background Art
[0002] With the popularization and promotion of new energy vehicles, the charging and discharging performance and endurance of new energy vehicles are increasingly attracting people's attention and attention. Quick-change connectors are widely used in the cooling pipes of new energy vehicles. Different vehicle platforms and models have different battery replacement structures. Some water channel interfaces are placed at the front of the vehicle, while some water channel interfaces are placed at the rear of the vehicle. This makes it difficult for the battery replacement systems of different vehicle platforms and models to be compatible. It is necessary to design the quick-change connector so that it can be compatible with the installation positions at the front and rear of the vehicle, so as to adapt to different models, reduce design and production costs, and increase the versatility of the battery.
[0003] Therefore, this field needs a new technical solution to solve the above problems. Utility Model Content
[0004] The utility model aims to solve the above technical problems and provide a new type of connector assembly which can improve connector compatibility and increase battery versatility.
[0005] The utility model provides a joint assembly for installation on a vehicle body, comprising:
[0006] A first joint assembly, the first joint assembly comprising a first joint disposed on a first side of the vehicle body and a second joint disposed on a second side of the vehicle body, the first side being disposed opposite to the second side;
[0007] A second joint assembly, mounted on the first joint assembly and arranged corresponding to the first joint assembly, the second joint assembly comprising a third joint and a fourth joint;
[0008] Among them, the first joint includes a first channel and a second channel, a circulating water pipe is provided between the first channel and the second channel, the second joint includes a third channel and a fourth channel, the third channel and the fourth channel are connected to the cooling system of the vehicle body, the third joint is connected to the first joint, and the fourth joint is connected to the second joint.
[0009] When the above technical solution is adopted, a circulating water pipe is connected between the first channel and the second channel of the utility model, the third joint is connected to the first joint, and the fourth joint is connected to the second joint, so that after the second joint assembly is installed to the first joint assembly, the entire cooling water circuit can be connected, and one of the first joint located on the first side and the second joint located on the second side realizes liquid conduction with the cooling system of the vehicle body, and the other realizes liquid conduction and circulation inside the joint. The positions of the first joint and the second joint can be interchanged, thereby improving the compatibility of the joint assembly, reducing design and production costs, and meeting different vehicle platforms and models. The liquid cooling pipeline interface can be set at the front of the vehicle or at the rear of the vehicle, thereby increasing the versatility of the battery.
[0010] In a preferred technical solution of the above-mentioned joint assembly, connecting joints and connecting pipelines are provided between the third channel and the fourth channel and the cooling system.
[0011] When the above technical solution is adopted, the connecting joint and the connecting pipeline are connected to the cooling system. Through the connection between the connecting joint and the connecting pipeline, the reliability of the connection and the convenience of assembly can be increased.
[0012] In a preferred technical solution of the above-mentioned joint assembly, the first joint includes a first main body, a first mounting portion provided on one side of the first main body, and a first plug-in portion provided on the other side of the first main body, and the circulating water pipe is connected to the first mounting portion.
[0013] When the above technical solution is adopted, the first main body portion of the first connector is convenient for installing the first connector to the vehicle body, the first mounting portion is convenient for connecting the connecting pipe to the first connector, and the assembly is convenient. The first plug-in portion is convenient for connecting to the connector of the battery pack and can play a role in matching and guiding, thereby improving the reliability and convenience of assembly. The setting of the circulating water pipe can connect the first channel and the second channel of the first connector, thereby realizing the self-circulation of the liquid in the first connector.
[0014] In a preferred technical solution of the above connector assembly, the third connector includes a third plug portion connected to the first plug portion, and a communication channel is provided inside the first plug portion and the third plug portion.
[0015] When the above technical solution is adopted, the third plug part cooperates with the first plug part to realize the matching and guiding of the connectors at the battery pack end and the vehicle body end, thereby realizing connection and conduction. After the battery pack is installed in place, the connecting channels in the first connector, the second connector, the third connector and the fourth connector are connected, and the cooling liquid can flow in the connecting channels, thereby cooling the battery pack.
[0016] In a preferred technical solution of the above-mentioned joint assembly, the circulating water pipe includes a first connecting portion, a second connecting portion and a connecting portion connecting the first connecting portion and the second connecting portion, and the first connecting portion and the second connecting portion are connected to the first mounting portion.
[0017] When the above technical solution is adopted, the first connecting part and the second connecting part can achieve sealing of the first mounting part, and realize internal conduction of the first joint through the connecting part, thereby realizing internal conduction between the first joint assembly located on the first side and the second joint assembly, without affecting the pipeline connection on the second side.
[0018] In a preferred technical solution of the above joint assembly, the first channel, the second channel, the third channel and the fourth channel are connected to the connecting channel.
[0019] When the above technical solution is adopted, the first channel, the second channel, the third channel and the fourth channel are connected to the connecting channel, which not only realizes the liquid conduction inside the first joint assembly, but also realizes the liquid conduction between the first joint assembly and the second joint assembly, thereby realizing the conduction of the entire liquid cooling pipeline.
[0020] In a preferred technical solution of the above joint assembly, the first joint and the second joint are arranged along the length direction of the vehicle body.
[0021] When the above technical solution is adopted, the first connector and the second connector are arranged along the length direction of the vehicle body, so that the first connector and the second connector are arranged on both sides of the length direction of the battery pack, which can make the liquid cooling pipeline path longer and at the same time can better utilize the space in the length direction of the vehicle body, reducing the difficulty of design and manufacturing.
[0022] In a second aspect, the utility model provides a vehicle, including the connector assembly of the second aspect, the vehicle including a vehicle body and a battery pack mounted to the vehicle body, the first connector assembly being arranged on the vehicle body, and the second connector assembly being arranged on the battery pack.
[0023] When the above technical solution is adopted, one of the first connector located on the first side and the second connector located on the second side realizes liquid conduction with the cooling system of the vehicle body, and the other realizes liquid conduction and circulation inside the connector. The battery pack is detachably connected to the vehicle body, and the positions of the first connector and the second connector can be interchanged, thereby improving the compatibility of the connector assembly, reducing design and production costs, and meeting different vehicle platforms and models. The liquid cooling pipeline interface can be set at the front of the vehicle or at the rear of the vehicle, thereby increasing the versatility of the battery.
[0024] In a preferred technical solution of the above-mentioned connector, the third connector and the fourth connector are arranged in the box of the battery pack and are connected to the liquid cooling plate of the battery pack.
[0025] When the above technical solution is adopted, the third connector and the fourth connector can not only realize the internal conduction of the liquid cooling pipeline at the battery pack end, but also realize the connection and conduction between the battery pack end and the vehicle end connector assembly, thereby connecting the entire liquid pipeline.
[0026] In a preferred technical solution of the above-mentioned connector, the vehicle further comprises high and low voltage connector assemblies provided on the vehicle body and the battery pack.
[0027] When the above technical solution is adopted, the connector includes not only a liquid component but also a high and low pressure component. The provision of the high and low pressure connector components improves the compatibility of the vehicle connector components and also increases the versatility of the battery. BRIEF DESCRIPTION OF THE DRAWINGS
[0028] The preferred embodiments of the present invention are described below in conjunction with the accompanying drawings, in which:
[0029] Figure 1 is a schematic diagram of a connector assembly of the utility model;
[0030] Figure 2 is a schematic diagram of another embodiment of the connector assembly of the utility model;
[0031] Figure 3 It is an exploded schematic diagram of the connector assembly of the utility model;
[0032] Figure 4 is a schematic diagram of a connector assembly of the utility model including a battery pack;
[0033] Figure 5 It is a structural schematic diagram of the first joint of the utility model;
[0034] Figure 6 It is a structural schematic diagram of the second joint of the utility model.
[0035] Reference numerals:
[0036] 1. Car body;
[0037] 2. First joint assembly; 21. First joint; 210. First main body; 211. First mounting portion; 212. First plug-in portion; 22. Second joint; 220. Second main body; 221. Second mounting portion; 222. Second plug-in portion; 23. Circulating water pipe; 231. First communicating portion; 232. Connecting portion; 233. Second communicating portion; 24. Connecting joint;
[0038] 3. second connector assembly; 31. third connector; 311. third plug portion; 32. fourth connector;
[0039] 4. Battery pack; 41. Box;
[0040] F. The direction of the front of the vehicle. DETAILED DESCRIPTION
[0041] The preferred embodiments of the present invention are described below with reference to the accompanying drawings. It should be understood by those skilled in the art that these embodiments are only used to explain the technical principles of the present invention and are not intended to limit the protection scope of the present invention.
[0042] It should be noted that in the description of the present invention, the terms "upper", "lower", "left", "right", "front", "back", "inner", "outer" and the like indicating directions or positional relationships are based on the directions or positional relationships shown in the drawings, which are only for the convenience of description, and do not indicate or imply that the device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as limiting the present invention. In addition, the terms "first" and "second" are used for descriptive purposes only, and cannot be understood as indicating or implying relative importance.
[0043] In addition, it should be noted that in the description of the present invention, unless otherwise clearly specified and limited, the terms "connection", "setting" and "installation" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection, a direct connection, or an indirect connection through an intermediate medium. For those skilled in the art, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.
[0044] like Figures 1 to 6 As shown, in the first aspect, the joint assembly of the utility model is used to be installed on the vehicle body 1, and includes a first joint assembly 2 and a second joint assembly 3. The first joint assembly 2 is installed on the first side and the second side of the vehicle body 1, and the first side is arranged opposite to the second side. In the embodiment of the utility model, the first side and the second side are the front and the rear of the vehicle, respectively, that is, one of the first joint assembly and the second joint assembly is located on the side facing the front of the vehicle, and the other is located on the side facing the rear of the vehicle. Figure 1 and Figure 2The F direction is the vehicle front direction. The first joint assembly 2 includes a first joint 21 disposed on the first side and a second joint 22 disposed on the second side. The second joint assembly 3 is installed on the first joint assembly 2 and is disposed corresponding to the first joint assembly 2. The second joint assembly 3 includes a third joint 31 and a fourth joint 32. The first joint 21 includes a first channel and a second channel. A circulating water pipe 23 is provided between the first channel and the second channel to communicate with each other. The second joint 22 includes a third channel and a fourth channel. The third channel and the fourth channel are connected to the cooling system of the vehicle body 1. The third joint 31 is connected and conducted with the first joint 21, and the fourth joint 32 is connected and conducted with the second joint 22.
[0045] A circulating water pipe 23 that is connected to each other is provided between the first channel and the second channel of the utility model, the third joint 31 is connected and conducted with the first joint 21, and the fourth joint 32 is connected and conducted with the second joint 22, so that after the second joint assembly 3 is installed to the first joint assembly 2, the conduction of the entire cooling water circuit can be achieved, one of the first joint 21 located on the first side and the second joint 22 located on the second side realizes liquid conduction with the cooling system of the vehicle body 1, and the other realizes liquid conduction and circulation inside the joint, the positions of the first joint 21 and the second joint 22 can be interchanged, thereby improving the compatibility of the joint assembly, reducing design and production costs, meeting different vehicle platforms and models, and allowing the liquid cooling pipeline interface to be set at the front of the vehicle or at the rear of the vehicle, thereby increasing the versatility of the battery.
[0046] like Figure 5 As shown, the first connector 21 includes a first main body 210 in the shape of a plate, a first mounting portion 211 arranged on a first side of the first main body 210, and a first plug-in portion 212 arranged on a second side of the first main body 210. The circulating water pipe 23 is connected to the first mounting portion 211. The first main body 210 provided with the first connector 21 facilitates the installation of the first connector 21 to the vehicle body 1. The first mounting portion 211 facilitates the connection of the connecting pipeline to the first connector 21, and the assembly is convenient. The first plug-in portion 212 facilitates the connection with the connector of the battery pack and can play a role in matching and guiding, thereby improving the reliability and convenience of assembly. The setting of the circulating water pipe 23 can connect the first channel and the second channel of the first connector 21, thereby realizing the self-circulation of the liquid in the first connector 21.
[0047] like Figure 5As shown, the circulating water pipe 23 includes a first connecting part 231, a second connecting part 233 and a connecting part 232 connecting the first connecting part 231 and the second connecting part 233. The first connecting part 231 and the second connecting part 233 are connected to the first mounting part 211. The first connecting part 231 and the second connecting part 233 can achieve sealing of the first mounting part 211, and realize internal conduction of the first joint 21 through the connecting part 232, thereby realizing internal conduction of the first joint assembly 2 and the second joint assembly 3 located on the first side, without affecting the pipeline connection on the second side.
[0048] like Figure 3 to Figure 4 As shown, the third connector 31 includes a third plug portion 311 connected to the first plug portion 212, and a connecting channel is provided in the first plug portion 212 and the third plug portion 311. The third plug portion 311 cooperates with the first plug portion 212 to realize the matching and guiding of the connectors at the battery pack end and the vehicle body end, thereby realizing connection and conduction. After the battery pack is installed in place, the connecting channels in the first connector 21, the second connector 22 and the third connector 31, and the fourth connector 32 are connected, and the cooling liquid can flow in the connecting channel, thereby cooling the battery pack.
[0049] like Figures 1 to 4 As shown, a connecting joint 24 and a connecting pipeline (not shown in the figure) are provided between the third channel and the fourth channel and the cooling system of the vehicle body 1. The connecting joint 24 and the connecting pipeline are connected to the cooling system of the vehicle body 1. The connection between the connecting joint 24 and the connecting pipeline can increase the reliability of the connection and the convenience of assembly. The first channel, the second channel, the third channel and the fourth channel are connected to the connecting channel, which not only realizes the liquid conduction inside the first joint assembly 2, but also realizes the liquid conduction between the first joint assembly 2 and the second joint assembly 3, thereby realizing the conduction of the entire liquid cooling pipeline.
[0050] like Figure 1 to Figure 2 As shown, the first connector 21 and the second connector 22 are arranged along the length direction of the vehicle body 1, so that the first connector 21 and the second connector 22 are arranged on both sides of the length direction of the battery pack 4, which can make the liquid cooling pipeline path longer and at the same time can better utilize the space in the length direction of the vehicle body 1, reducing the difficulty of design and manufacturing.
[0051] like Figures 1 to 4As shown, in the second aspect, the vehicle of the utility model includes the connector assembly of the second aspect, the vehicle includes a vehicle body 1 and a battery pack 4 installed on the vehicle body 1, the first connector assembly 2 is installed on the vehicle body 1, the second connector assembly 3 is arranged on the battery pack 4, the battery pack 4 can be detachably installed on the vehicle body 1, one of the first connector 21 located on the first side and the second connector 22 located on the second side realizes liquid conduction with the cooling system of the vehicle body 1, and the other realizes liquid conduction and circulation inside the connector, the battery pack 4 is detachably installed and connected to the vehicle body 1, the positions of the first connector 21 and the second connector 22 can be interchanged, thereby improving the compatibility of the connector assembly, reducing design and production costs, and meeting different vehicle platforms and models. The liquid cooling pipeline interface can be set at the front of the vehicle or at the rear of the vehicle, thereby increasing the versatility of the battery.
[0052] like Figures 1 to 3 As shown, the third connector 31 and the fourth connector 32 are installed on the box 41 of the battery pack 4 and are connected to the liquid cooling plate of the battery pack 4. The third connector 31 and the fourth connector 32 can not only realize the internal conduction of the liquid cooling pipeline at the battery pack end, but also realize the connection and conduction between the battery pack end and the vehicle end connector assembly, thereby connecting the entire liquid pipeline.
[0053] The vehicle also includes a high and low pressure connector assembly (not shown in the figure) provided on the vehicle body 1 and the battery pack 4. The connector includes not only a liquid assembly but also a high and low pressure assembly. The provision of the high and low pressure connector assembly improves the compatibility of the vehicle connector assembly and also increases the versatility of the battery.
[0054] It should be noted that the above preferred implementations are only used to illustrate the principle of the utility model and are not intended to limit the protection scope of the utility model. Without departing from the principle of the utility model, those skilled in the art may adjust the above settings so that the utility model can be applied to more specific application scenarios.
[0055] Of course, the above-mentioned replaceable implementations, as well as the replaceable implementations and the preferred implementations, can be used in a cross-coordinated manner to combine new implementations to suit more specific application scenarios.
[0056] So far, the technical solution of the present invention has been described in conjunction with the preferred embodiments shown in the accompanying drawings. However, it is easy for those skilled in the art to understand that the protection scope of the present invention is obviously not limited to these specific embodiments. Without departing from the principle of the present invention, those skilled in the art can make equivalent changes or substitutions to the relevant technical features, and the technical solutions after these changes or substitutions will fall within the protection scope of the present invention.
Claims
1. A joint assembly for mounting to a vehicle body, characterized in that: include: A first joint assembly, the first joint assembly comprising a first joint disposed on a first side of the vehicle body and a second joint disposed on a second side of the vehicle body, the first side being disposed opposite to the second side; A second joint assembly, mounted on the first joint assembly and arranged corresponding to the first joint assembly, the second joint assembly comprising a third joint and a fourth joint; Among them, the first joint includes a first channel and a second channel, a circulating water pipe is provided between the first channel and the second channel, the second joint includes a third channel and a fourth channel, the third channel and the fourth channel are connected to the cooling system of the vehicle body, the third joint is connected to the first joint, and the fourth joint is connected to the second joint.
2. The joint assembly according to claim 1, characterized in that: Connecting joints and connecting pipelines are provided between the third channel and the fourth channel and the cooling system.
3. The joint assembly according to claim 1, characterized in that: The first joint includes a first main body, a first mounting portion arranged on one side of the first main body, and a first plug-in portion arranged on the other side of the first main body, and the circulating water pipe is connected to the first mounting portion.
4. The joint assembly according to claim 3, characterized in that: The third connector includes a third plug portion connected to the first plug portion, and a communication channel is provided inside the first plug portion and the third plug portion.
5. The joint assembly according to claim 3, characterized in that: The circulating water pipe includes a first communicating portion, a second communicating portion, and a connecting portion connecting the first communicating portion and the second communicating portion, and the first communicating portion and the second communicating portion are connected to the first mounting portion.
6. The joint assembly according to claim 4, characterized in that: The first channel, the second channel, the third channel, and the fourth channel are communicated with the communication channel.
7. The joint assembly according to claim 1, characterized in that: The first joint and the second joint are arranged along the length direction of the vehicle body.
8. A vehicle, characterized in that: Comprising the connector assembly as described in any one of claims 1 to 7, the vehicle comprises a vehicle body and a battery pack mounted to the vehicle body, the first connector assembly is arranged on the vehicle body, and the second connector assembly is arranged on the battery pack.
9. The vehicle according to claim 8, characterized in that The third connector and the fourth connector are disposed in the box of the battery pack and are connected to the liquid cooling plate of the battery pack.
10. The vehicle according to claim 8, characterized in that The vehicle further comprises high and low voltage connector assemblies provided on the vehicle body and the battery pack.