CN213692182U - Liquid cooling pipe connection structure, liquid cooling system and electric automobile - Google Patents
Liquid cooling pipe connection structure, liquid cooling system and electric automobile Download PDFInfo
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- CN213692182U CN213692182U CN202022667278.8U CN202022667278U CN213692182U CN 213692182 U CN213692182 U CN 213692182U CN 202022667278 U CN202022667278 U CN 202022667278U CN 213692182 U CN213692182 U CN 213692182U
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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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
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Abstract
The application relates to a liquid cooling pipe connection structure, liquid cooling system and electric automobile. The liquid cooling pipe connecting structure comprises a liquid cooling pipe joint; and a positioning structure and a sealing structure arranged on the liquid cooling pipe joint; the positioning structure is used for positioning the sealing structure at the port of the liquid cooling pipe along a preset direction. The scheme that this application provided can make liquid cooling pipe joint and liquid cooling pipe port realize accurate positioning, and then makes the seal structure on the liquid cooling pipe joint realize sealed cooperation with liquid cooling pipe port more effectively, has improved the assembly leakproofness of liquid cooling pipe joint.
Description
Technical Field
The application relates to the technical field of electric automobiles, in particular to a liquid cooling pipe connecting structure, a liquid cooling system and an electric automobile.
Background
The motor controller and the driving motor are core components of the new energy automobile, and the reliability and the comprehensiveness of the functions of the motor controller and the driving motor play a significant role in the automobile. The driving motor and the motor controller are usually in a high-strength working state in the long-time running of the vehicle, so that the driving motor and the motor controller can generate a large amount of heat, and a liquid cooling heat dissipation system is generally arranged in the driving motor and the motor controller in order to solve the heat dissipation problem.
In the related art, the liquid cooling heat dissipation system of the driving motor and the motor controller comprises liquid cooling pipes arranged in the driving motor and the motor controller, and the liquid cooling pipes of the driving motor are communicated with the liquid cooling pipes of the motor controller, so that cooling liquid in the liquid cooling pipes can be exchanged and flowed between the driving motor and the motor controller, and the heat dissipation purpose is further achieved. In the related art, a liquid cooling pipe connecting structure between a driving motor and a motor controller generally has two forms, for example, one form adopts a soft water pipe connection, and two ends of a water pipe are respectively connected with ports of the liquid cooling pipe of the driving motor and the motor controller through water pipe connectors, so that the structure adopts more parts and has the defects of complex structure, large occupied volume, high cost and poor reliability; the other form is that the liquid cooling pipe joint is adopted to directly connect the driving motor with the liquid cooling pipe of the motor controller, but during assembly, the liquid cooling pipe joint and the port of the liquid cooling pipe are difficult to accurately position, so that the assembly sealing performance is poor.
SUMMERY OF THE UTILITY MODEL
In order to solve or partially solve the problems existing in the related art, the application provides a liquid cooling pipe connection structure, a liquid cooling system and an electric automobile, wherein the liquid cooling pipe connection structure can realize accurate positioning between a liquid cooling pipe joint and a liquid cooling pipe port.
This application first aspect provides a liquid cooling pipe connection structure, includes:
a liquid cooling pipe joint; and
the positioning structure and the sealing structure are arranged on the liquid cooling pipe joint;
the positioning structure is used for positioning the sealing structure at the port of the liquid cooling pipe along a preset direction.
In one embodiment, the fluid-cooled tube joint has a first connection end and a second connection end;
the first connecting end is used for being connected with a liquid outlet port of a liquid cooling pipe of the motor controller, and the second connecting end is used for being connected with a liquid inlet port of the liquid cooling pipe of the driving motor;
the second connecting end is provided with the positioning structure and the sealing structure.
In one of the embodiments, the first and second electrodes are,
the second connecting end is provided with a first connecting area and a second connecting area which are adjacently arranged;
the positioning structure comprises a positioning optical axis arranged in the first connecting area, and the positioning optical axis is used for positioning and matching with a positioning optical hole configured at a liquid inlet port of the driving motor;
the sealing structure is arranged on the sealing ring of the second connecting area in a sleeved mode, and the sealing ring is used for being in sealing fit with a sealing hole formed in the liquid inlet port of the driving motor.
In one of the embodiments, the first and second electrodes are,
the positioning optical axis and the sealing ring are coaxial and are arranged adjacently along the axial direction;
the outer diameter of the positioning optical axis is larger than that of the sealing ring;
the positioning optical axis is used for radially positioning the sealing ring in the liquid inlet port.
In one of the embodiments, the first and second electrodes are,
the circumferential inner surface of the liquid inlet port in transition fit with the positioning optical axis is configured as the positioning optical hole;
the circumferential inner surface of the liquid inlet port in sealing fit with the sealing ring is configured as the sealing hole.
In one of the embodiments, the first and second electrodes are,
the positioning unthreaded hole and the sealing hole are coaxial and are arranged adjacently along the axial direction;
the inner diameter of the positioning unthreaded hole is larger than that of the sealing hole.
In one embodiment, the device further comprises a guide structure;
the guide structure comprises a first guide surface connected between the first connecting area and the second connecting area and a second guide surface connected between the positioning unthreaded hole and the sealing hole;
the first guide surface is used for guiding the positioning optical axis to be matched with the positioning unthreaded hole in a positioning mode;
the second guide surface is for guiding the sealing ring into sealing engagement with the sealing bore.
In one embodiment, when the second connection end moves axially within the liquid inlet port to a first predetermined distance, the edge of the sealing ring abuts against the second guide surface;
the second link is in when the interior axial displacement of edge to the second of feed inlet is predetermine the distance, the circumference edge via the second guide face guide and compression back with sealed hole sealing fit.
A second aspect of the present application provides a liquid cooling system, including the liquid cooling pipe connection structure as described above.
A third aspect of the present application provides an electric vehicle, including the liquid cooling system as described above.
The technical scheme provided by the application can comprise the following beneficial effects:
the liquid cooling pipe connection structure provided by the embodiment comprises a liquid cooling pipe joint; the positioning structure and the sealing structure are arranged on the liquid cooling pipe joint; the positioning structure is used for positioning the sealing structure at the port of the liquid cooling pipe along the preset direction. The structure enables the liquid cooling pipe joint and the port of the liquid cooling pipe to be positioned accurately, so that the sealing structure on the liquid cooling pipe joint is in sealing fit with the port of the liquid cooling pipe more effectively, and the assembly sealing performance of the liquid cooling pipe joint is improved.
In the liquid-cooling pipe joint provided by the embodiment, the liquid-cooling pipe joint is provided with a first connecting end and a second connecting end; the first connecting end is used for being connected with a liquid outlet port of a liquid cooling pipe of the motor controller, and the second connecting end is used for being connected with a liquid inlet port of the liquid cooling pipe of the driving motor; the second connecting end is provided with a positioning structure and a sealing structure. In the assembling process, the liquid cooling pipe joint can be radially positioned at the liquid inlet port through the positioning structure, so that the sealing structure on the liquid cooling pipe joint can realize automatic positioning and sealing in the assembling process, and the assembling sealing performance is further improved.
It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the application.
Drawings
The foregoing and other objects, features and advantages of the application will be apparent from the following more particular descriptions of exemplary embodiments of the application, as illustrated in the accompanying drawings wherein like reference numbers generally represent like parts throughout the exemplary embodiments of the application.
Fig. 1 is a schematic diagram illustrating a liquid-cooled pipe connection structure according to an embodiment of the present application, which is engaged with a liquid inlet port in a first assembly stage;
fig. 2 is a schematic diagram illustrating a liquid-cooled pipe connection structure in a second assembly stage according to an embodiment of the present application.
Reference numerals: a liquid-cooled pipe joint 100; a motor controller 200; a driving motor 300; liquid-cooled tubes 210, 310; a liquid outlet port 211; a liquid inlet port 311; a first connection end A; a second connection end B; positioning the optical axis 110; positioning the aperture 330; seal rings 120, 140; a sealing aperture 320; the first guide surface 130; the second guide surface 340; a first predetermined distance L1; a second predetermined distance L2.
Detailed Description
Preferred embodiments of the present application will be described in more detail below with reference to the accompanying drawings. While the preferred embodiments of the present application are shown in the drawings, it should be understood that the present application may be embodied in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the disclosure to those skilled in the art.
The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the application. As used in this application and the appended claims, the singular forms "a", "an", and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. It should also be understood that the term "and/or" as used herein refers to and encompasses any and all possible combinations of one or more of the associated listed items.
It should be understood that although the terms "first," "second," "third," etc. may be used herein to describe various information, these information should not be limited to these terms. These terms are only used to distinguish one type of information from another. For example, first information may also be referred to as second information, and similarly, second information may also be referred to as first information, without departing from the scope of the present application. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present application, "a plurality" means two or more unless specifically limited otherwise.
In the description of the present application, it is to be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientation or positional relationship indicated in the drawings for convenience in describing the present application and for simplicity in description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed in a particular orientation, and be operated in a particular manner, and are not to be considered limiting of the present application.
Unless expressly stated or limited otherwise, the terms "mounted," "connected," "secured," and the like are intended to be inclusive and mean that, for example, they may be fixedly connected or detachably connected or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.
The liquid cooling pipe connecting structure between the driving motor and the motor controller in the related technology has complex structure and poor reliability; and the assembly sealing performance is poor due to the fact that accurate positioning is difficult during assembly. To the above problem, the embodiment of the present application provides a liquid cooling pipe connection structure, can realize the accurate positioning between liquid cooling pipe joint and the liquid cooling pipe port, and then can improve the assembly leakproofness.
The technical solutions of the embodiments of the present application are described in detail below with reference to the accompanying drawings.
Fig. 1 is a schematic diagram illustrating a liquid-cooled pipe connection structure according to an embodiment of the present application, which is engaged with a liquid inlet port in a first assembly stage; fig. 2 is a schematic diagram illustrating a liquid-cooled pipe connection structure in a second assembly stage according to an embodiment of the present application. Fig. 1 and 2 show the structure of the liquid-cooled pipe joint and the fitting relationship with the inlet port.
Referring to fig. 1 and 2, the liquid-cooled pipe connection structure provided in this embodiment includes a liquid-cooled pipe joint 100; and a positioning structure and a sealing structure provided on the liquid-cooled pipe joint 100; the positioning structure is used for positioning the sealing structure at the port of the liquid cooling pipe along the preset direction. By the structure, the liquid cooling pipe joint 100 and the port of the liquid cooling pipe can be accurately positioned, so that the sealing structure is more effectively in sealing fit with the port of the liquid cooling pipe, and the assembly sealing performance of the liquid cooling pipe joint is improved.
In this embodiment, the liquid cooling pipe is used for circulating cooling liquid, and the liquid cooling pipe may also be referred to as a cooling water pipe, and the liquid cooling pipe joint may also be referred to as a water pipe joint, and the cooling liquid includes but is not limited to liquid water.
The liquid-cooling pipe joint 100 of the present embodiment is an integrated structure, and the liquid-cooling pipe joint 100 has a first connection end a and a second connection end B; the first connection end a is used for connecting with the liquid outlet port 211 of the liquid cooling pipe 210 of the motor controller 200, and the second connection end B is used for connecting with the liquid inlet port 311 of the liquid cooling pipe 310 of the driving motor 300. In one implementation, the first connection end a may be fixedly connected to an end surface of the liquid outlet port 211 of the liquid cooling pipe of the motor controller 200, the outer edge of the first connection end a may be sleeved with the sealing ring 140, and the space between the first connection end a and the liquid outlet port 211 of the motor controller 200 may be sealed by the sealing ring 140, so that the cooling liquid in the liquid cooling pipe of the motor controller 200 may be input to the liquid inlet port 311 of the driving motor 300 through the liquid cooling pipe joint 100.
The second connecting end B is provided with a positioning structure and a sealing structure, the sealing structure can be a sealing ring 120 sleeved on the second connecting end B, when the liquid cooling pipe joint 100 is assembled, the liquid cooling pipe joint 100 is inserted into the liquid inlet port 311 of the driving motor 300 to be communicated with the liquid cooling pipe 310 of the driving motor 300, in the inserting process, the liquid cooling pipe joint 100 can be positioned at the liquid inlet port 311 along the radial direction through the positioning structure, and further, the sealing ring 120 is automatically positioned and sealed in the assembling process, so that the assembling efficiency and the sealing performance can be improved.
It is understood that, in other embodiments, the first connection end a of the liquid-cooling pipe joint 100 may be connected to the liquid inlet port 311 disposed on the driving motor 300, and the second connection end B may be connected to the liquid outlet port 211 disposed on the motor controller 200, which is not limited in this application.
In the related art, the connection structure of the liquid cooling pipe is complex, and the number of components is large, for example, some liquid cooling pipe connection structures include a soft water pipe, a water outlet pipe joint, a water inlet pipe joint, water pipe buckles arranged at two ends of the soft water pipe, and a plurality of sealing rings. The connecting structure has higher cost and large occupied space, and has higher cleanliness requirement, large production control difficulty and poor process reliability due to the adoption of hose connection. The liquid cooling pipe connection structure provided by the embodiment has the advantages that the liquid cooling pipe joint 100 is of an integrated structure, so that the defects of adoption of a soft water pipe and a plurality of parts in the related technology are overcome, the cost is low, the size is small, the reliability is good, and the structure is more compact.
In the fluid-cooled pipe joint 100 of the present embodiment, the second connection end B has a first connection region and a second connection region which are adjacently disposed; the first connection area is adjacent to the second connection area, the first connection area is close to the first connection end A, the second connection area is far away from the first connection end A, and the liquid cooling pipe structure is assembled on the liquid inlet port 311 through the first connection area and the second connection area. The positioning structure comprises a positioning optical axis 110 disposed in the first connecting region, and the positioning optical axis 110 is used for positioning and matching with a positioning optical hole 330 disposed at the liquid inlet 311 of the driving motor 300. The sealing structure comprises a sealing ring 120 sleeved on the second connecting area, and the sealing ring 120 is used for being in sealing fit with a sealing hole 320 arranged at the liquid inlet port 311 of the driving motor 300. The positioning optical axis 110 and the sealing ring 120 are coaxially arranged, and the positioning optical axis 110 is used for radially positioning the sealing ring 120 in the liquid inlet 311.
It is understood that the positioning optical axis 110 may be disposed in the second connection region, the sealing structure may be disposed in the first connection region, and when the sealing structure is disposed in the first connection region, the positioning optical axis 110 may be matched to achieve radial sealing and sealing at the end face of the liquid inlet port 311.
The sealing ring 120 may be an O-ring, the sealing ring 120 is nested around the outer circumference of the second connection end B, and the outer edge of the sealing ring 120 protrudes out of the outer circumferential surface of the second connection end B, and when the sealing ring is assembled, the sealing ring is radially compressed and fitted with the sealing hole 320, so as to achieve sealing.
In some embodiments, the positioning optical aperture 330 and the sealing aperture 320 are coaxially disposed, the outer diameter of the positioning optical axis 110 is larger than the outer diameter of the sealing ring 120, and the inner diameter of the positioning optical aperture 330 is larger than the inner diameter of the sealing aperture 320, so that the positioning optical axis 110 can be in transition fit with the positioning optical aperture 330, and the sealing ring 120 can be in sealing fit with the positioning hole.
In some embodiments, the circumferential inner surface of the inlet port 311 that is in transition fit with the positioning optical axis 110 is configured to position the optical aperture 330; the provision of the inlet port 311 with the circumferentially inner surface in sealing engagement with the sealing ring 120 configured to seal the aperture 320 has a more simplified construction. The positioning optical axis 110 has a smooth outer surface, the positioning optical hole 330 has a smooth inner surface, and in the transitional fit process of the positioning optical axis 110 and the positioning optical hole 330, the positioning optical axis 110 can axially slide in the positioning optical hole 330, and the radial limit of the sealing ring 120 and the sealing hole 320 is realized in the sliding process.
The liquid cooling pipe joint in the related art causes poor sealing reliability because the consistency of the compression ratio of the periphery of the sealing ring can be directly influenced by the accumulated processing error. In addition, the problem of edge cutting of the sealing ring is easily caused due to the fact that the sealing ring cannot be accurately positioned along the radial direction during assembly, and sealing failure is further caused. The liquid cooling pipe joint 100 that this embodiment provided is through setting up location structure for liquid cooling pipe joint 100 is pegging graft in the in-process of inlet port 311, sealing washer 120 obtains accurate location in radial, can fix a position the axle center location of optical axis 110 and sealing washer 120 to with the coincidence of the axle center of inlet port 311, and then make the periphery of sealing washer 120 and the sealed hole 320 of liquid cooling pipe between have the compression ratio of looks unanimity, can avoid the different side cut problems that lead to of sealing washer 120 periphery compression ratio, compare the more effectual life who has promoted sealed effect and sealing washer of correlation technique.
The fluid-cooled adapter 100 of this embodiment further comprises a guide structure including a first guide surface 130 connected between the first connection region and the second connection region, and a second guide surface 340 connected between the positioning light hole 330 and the sealing hole 320; the first guide surface 130 is used for guiding the positioning optical axis 110 to be in positioning fit with the positioning unthreaded hole 330; the second guide surface 340 serves to guide the seal ring 120 into sealing engagement with the seal bore 320. After the guiding structure is arranged, the liquid cooling pipe joint 100 can be positioned more conveniently and rapidly when being assembled at the liquid inlet port 311, and the assembling efficiency can be improved.
In some embodiments, the outer diameter of the positioning optical axis 110 may be set to be larger than the outer diameter of the sealing ring 120, the positioning optical axis 110 of the first connection region gradually transits to the second connection region through the first guide surface 130, and the first guide surface 130 is circumferentially disposed between the positioning optical axis 110 and the second connection region. Meanwhile, in order to achieve the mutual fitting of the positioning optical axis 110 and the positioning unthreaded hole 330, and the mutual fitting of the seal ring 120 and the seal hole 320, the inner diameter of the positioning unthreaded hole 330 may be set larger than the inner diameter of the seal hole 320, the positioning unthreaded hole 330 may be gradually transited to the seal hole 320 by a second guide surface 340, and the second guide surface 340 may be disposed circumferentially between the positioning unthreaded hole 330 and the seal hole 320. In some embodiments, the first guide surface 130 and the second guide surface 340 may be inclined surfaces or arc surfaces, and the inclined surfaces or the arc surfaces may be formed by a chamfering process, so that during assembly, the positioning optical axis 110 and the axis of the sealing ring 120 can be positioned to coincide with the axis of the liquid inlet 311 more quickly and effectively by the guiding action of the first guide surface 130 and the second guide surface 340, and further, the radial positioning of the sealing ring 120 is quickly achieved.
With continued reference to fig. 1 and 2, in the present embodiment, when the positioning optical axis 110 moves axially within the positioning optical hole 330 to the first preset distance L1, the edge of the sealing ring 120 abuts against the second guiding surface 340; when the positioning optical axis 110 moves axially within the positioning optical hole 330 to the second predetermined distance L2, the circumferential edge of the sealing ring 120 is guided and compressed by the second guide surface 340 to be in sealing engagement with the sealing hole 320.
The positioning and sealing process of the present embodiment is described below in terms of various stages of assembly.
Referring to fig. 1, in a first assembly stage, the liquid-cooling pipe joint 100 and the liquid inlet port 311 of the driving motor 300 are aligned in advance, after the alignment, the positioning optical axis 110 of the liquid-cooling pipe joint 100 slides into the positioning optical hole 330 by the guidance of the first guide surface 130, at this time, the positioning optical axis 110 and the positioning optical hole 330 are in transition fit, so that the sealing ring 120 is positioned in the radial direction, the sealing ring moves only in the axial direction, and when the second connection end B moves in the axial direction within the liquid inlet port 311 to the first preset distance L1, the edge of the sealing ring 120 abuts against the second guide surface 340.
Referring to fig. 2, in the second assembly stage, when the second connection end B moves axially within the inlet port 311 to the second preset distance L2, the circumferential edge of the sealing ring 120 is guided and compressed by the second guide surface 340 to be in sealing engagement with the sealing bore 320. Because the process that sealing washer 120 compressed is gone on after location optical axis 110 and location unthreaded hole 330 are fixed a position mutually, consequently, in the compression process, sealing washer 120 is obtained radially spacing all the time, and the pressure that can make the circumference edge of sealing washer 120 receive like this keeps unanimous, and the compression ratio of sealing washer 120 circumference edge is unanimous, and then keeps better leakproofness.
In combination with the above embodiments, it can be found that by providing the first guide surface 130 and the second guide surface 340, the positioning structure is positioned after being guided by the first guide surface 130, and the sealing structure is sealed after being guided by the second guide surface 340, so that the problem that the sealing ring 120 generates a cut edge due to inconsistent compression rate during assembly of the sealing ring 120 in the related art can be avoided. Compared with the prior art, this embodiment sets up behind the location structure for sealing washer 120 obtains the location in radial, has guaranteed that sealing washer 120's periphery has unanimous compression ratio, can effectively promote sealing washer 120's life and sealing performance. The scheme of this embodiment can realize automatic positioning and self-sealing, need not artifical adjustment position in assembling process, and installation manufacturability is better, and the structure is more reliable, and it is more convenient to assemble.
The liquid cooling pipe connection structure provided by the embodiment is introduced above, and accordingly, the embodiment further provides a liquid cooling system, which includes the above liquid cooling pipe connection structure. Correspondingly, this embodiment still provides an electric automobile, includes last liquid cooling system.
In the liquid cooling system and the electric vehicle of the embodiment, the liquid cooling pipe connection structure includes a liquid cooling pipe joint 100; and a positioning structure and a sealing structure provided on the liquid-cooled pipe joint 100; the positioning structure is used for positioning the sealing structure at the port of the liquid cooling pipe along the preset direction. By the structure, the liquid cooling pipe joint 100 and the port of the liquid cooling pipe can be accurately positioned, so that the sealing structure is more effectively in sealing fit with the port of the liquid cooling pipe, and the assembly sealing performance is improved.
Having described embodiments of the present application, the foregoing description is intended to be exemplary, not exhaustive, and not limited to the disclosed embodiments. Many modifications and variations will be apparent to those of ordinary skill in the art without departing from the scope and spirit of the described embodiments. The terminology used herein is chosen in order to best explain the principles of the embodiments, the practical application, or improvements made to the technology in the marketplace, or to enable others of ordinary skill in the art to understand the embodiments disclosed herein.
Claims (10)
1. A liquid-cooled tube connection structure, comprising:
a liquid cooling pipe joint; and
the positioning structure and the sealing structure are arranged on the liquid cooling pipe joint;
the positioning structure is used for positioning the sealing structure at the port of the liquid cooling pipe along a preset direction.
2. The liquid-cooled tube connection structure according to claim 1, wherein:
the liquid cooling pipe joint is provided with a first connecting end and a second connecting end;
the first connecting end is used for being connected with a liquid outlet port of a liquid cooling pipe of the motor controller, and the second connecting end is used for being connected with a liquid inlet port of the liquid cooling pipe of the driving motor;
the second connecting end is provided with the positioning structure and the sealing structure.
3. The liquid-cooled tube connection structure according to claim 2, wherein:
the second connecting end is provided with a first connecting area and a second connecting area which are adjacently arranged;
the positioning structure comprises a positioning optical axis arranged in the first connecting area, and the positioning optical axis is used for positioning and matching with a positioning optical hole configured at a liquid inlet port of the driving motor;
the sealing structure is arranged on the sealing ring of the second connecting area in a sleeved mode, and the sealing ring is used for being in sealing fit with a sealing hole formed in the liquid inlet port of the driving motor.
4. The liquid-cooled tube connection structure according to claim 3, wherein:
the positioning optical axis and the sealing ring are coaxial and are arranged adjacently along the axial direction;
the outer diameter of the positioning optical axis is larger than that of the sealing ring;
the positioning optical axis is used for radially positioning the sealing ring in the liquid inlet port.
5. The liquid-cooled tube connection structure according to claim 3, wherein:
the circumferential inner surface of the liquid inlet port in transition fit with the positioning optical axis is configured as the positioning optical hole;
the circumferential inner surface of the liquid inlet port in sealing fit with the sealing ring is configured as the sealing hole.
6. The liquid-cooled tube connection structure according to claim 3, wherein:
the positioning unthreaded hole and the sealing hole are coaxial and are arranged adjacently along the axial direction;
the inner diameter of the positioning unthreaded hole is larger than that of the sealing hole.
7. The liquid-cooled tube connection structure according to any one of claims 3 to 6, wherein:
the device also comprises a guide structure;
the guide structure comprises a first guide surface connected between the first connecting area and the second connecting area and a second guide surface connected between the positioning unthreaded hole and the sealing hole;
the first guide surface is used for guiding the positioning optical axis to be matched with the positioning unthreaded hole in a positioning mode;
the second guide surface is for guiding the sealing ring into sealing engagement with the sealing bore.
8. The liquid-cooled tube connection structure according to claim 7, wherein:
when the second connecting end moves to a first preset distance in the axial direction in the liquid inlet port, the edge of the sealing ring is abutted to the second guide surface;
the second link is in when the interior axial displacement of edge to the second of feed inlet is predetermine the distance, the circumference edge via the second guide face guide and compression back with sealed hole sealing fit.
9. A liquid cooling system comprising a liquid-cooled pipe connection structure according to any one of claims 1 to 8.
10. An electric vehicle comprising the liquid cooling system of claim 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN202022667278.8U CN213692182U (en) | 2020-11-17 | 2020-11-17 | Liquid cooling pipe connection structure, liquid cooling system and electric automobile |
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| CN202022667278.8U CN213692182U (en) | 2020-11-17 | 2020-11-17 | Liquid cooling pipe connection structure, liquid cooling system and electric automobile |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113594590A (en) * | 2021-08-10 | 2021-11-02 | 广州小鹏汽车科技有限公司 | Battery box and battery package |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113594590A (en) * | 2021-08-10 | 2021-11-02 | 广州小鹏汽车科技有限公司 | Battery box and battery package |
| CN113594590B (en) * | 2021-08-10 | 2022-08-16 | 广州小鹏汽车科技有限公司 | Battery box and battery package |
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