Water nozzle sealing connection structure and thermal management system

Abstract

The utility model belongs to power battery technical field discloses a kind of hydrant sealing connection structure and thermal management system. Hydrant sealing connection structure includes main body, sealing screw part and tightness adjusting part, main body is clamped between hydrant and box body boundary beam along circumference direction, along the axis direction of hydrant, main body protrudes and is provided with first threaded section;Sealing screw part has second threaded section, second threaded section is threadedly connected in first threaded section, and the end of sealing screw part away from main body is provided with force part;Tightness adjusting part is clamped between force part, main body and hydrant, when screwing sealing screw part, force part can drive tightness adjusting part to produce displacement along the axis direction and radial direction of hydrant, to block the flow gap between tightness adjusting part and main body and hydrant respectively. By the above setting, the step of welding or screwing hydrant and box body boundary beam in traditional technology is saved, installation process is simplified, convenient to operate, and the safety and reliability of sealing between hydrant and box body boundary beam are guaranteed.

Description

Technical Field

[0001] This utility model relates to the field of power battery technology, and in particular to a water tap sealing connection structure and thermal management system. Background Technology

[0002] As competition in the vehicle market intensifies, the requirements for cost control of vehicles and components are becoming increasingly stringent, leading to the application of direct cooling and heating thermal management systems and rolled steel battery casings in power batteries.

[0003] Battery thermal management systems typically use aluminum, and when combined with a roll-formed steel housing, the fit between the water nozzle and the front beam of the housing presents several problems. Traditional liquid-cooled / liquid-heated cooling systems generally use welded or bolted connections between the water nozzle and the front beam, with the cold plate inlet / outlet connected to the water nozzle via corrugated pipes. In direct-cooling / direct-heating systems, the corrugated pipes do not meet the pressure requirements and cannot be used. Furthermore, the water nozzle material differs from the housing material, making welding between different metals difficult and compromising weld quality. If the water nozzle and front beam are bolted together, due to manufacturing and assembly variations in the cold plate, the inlet / outlet of the cold plate will experience significant assembly stress after alignment, potentially leading to seal failure.

[0004] Therefore, it is necessary to design a water tap sealing connection structure and thermal management system to solve the problems existing in the prior art. Utility Model Content

[0005] The purpose of this utility model is to provide a water tap sealing connection structure and thermal management system, which can simplify the water tap installation process, facilitate operation, and ensure the safety and reliability of the seal between the water tap and the side beam of the housing.

[0006] To achieve this objective, the present invention adopts the following technical solution:

[0007] A water tap sealing connection structure is used to seal a water tap to a side beam of a housing. The water tap is horizontally inserted through the side beam of the housing. The water tap sealing connection structure includes a main body, a sealing threaded component, and a tightness adjusting component, wherein:

[0008] The main body is circumferentially sandwiched between the water nozzle and the side beam of the box, and a first threaded section protrudes from the main body along the axial direction of the water nozzle.

[0009] The sealing threaded component has a second threaded section, which is threadedly connected to the first threaded section, and a force-applying part is provided at one end of the sealing threaded component away from the main body;

[0010] The tension adjustment component is clamped between the force application part, the main body, and the water nozzle. When the sealing thread is screwed on and brought close to the side beam of the housing, the force application part can drive the tension adjustment component to move along the axial direction and the radial direction of the water nozzle, thereby blocking the flow gap between the tension adjustment component and the main body and the water nozzle respectively.

[0011] Preferably, the tension adjustment component includes a transmission block and an elastic seal. The elastic seal is sandwiched between the transmission block and the main body, and between the transmission block and the water nozzle. The transmission block can be displaced along the axial direction and the radial direction of the water nozzle, respectively, to press the elastic seal tightly.

[0012] Preferably, the transmission block includes a first sealing part, a connecting part, and a second sealing part. The first sealing part and the second sealing part are parallel and spaced apart from each other at both ends of the connecting part. The elastic sealing element is sandwiched between the first sealing part and the main body. The elastic sealing element is sandwiched between the first sealing part and / or the second sealing part and the water nozzle. The second sealing part is connected to the force-applying part.

[0013] Preferably, the force-applying part includes a pressure-applying surface, which is inclined and located on the inner sidewall of the sealing threaded part. The pressure-applying surface can press against the outer chamfer of the tension-adjusting part to apply pressure to the tension-adjusting part along the axial direction and the radial direction of the water nozzle.

[0014] Preferably, the force-applying part further includes a knurled flange, which protrudes circumferentially onto the outer side wall of the sealing thread.

[0015] Preferably, the force-applying part further includes a limiting protrusion, which protrudes from the sealing thread on the side facing the water nozzle, and the pressure-applying surface is provided between the limiting protrusion and the second thread segment.

[0016] Preferably, the main body is further provided with a third threaded section, which is disposed opposite to the first threaded section on both sides of the main body; the water tap sealing connection structure also includes a locking threaded component, which is threadedly connected to the third threaded section and can fit against the side beam of the box.

[0017] Preferably, the main body includes a base and a flange. The base is sandwiched between the water nozzle and the side beam of the housing, and the end face of the base is provided with the third threaded section. The outer edge of the base is provided with the flange protruding circumferentially. One side of the flange is fitted against the side beam of the housing, and the other side of the flange is provided with the first threaded section.

[0018] Preferably, an annular sealing ring is also included, which is sandwiched between the side beam of the housing and the main body.

[0019] The thermal management system includes a housing, a water tap, a heat exchange plate, and the aforementioned water tap sealing connection structure. The housing has an installation cavity for placing the heat exchange component. One end of the water tap is connected to the inlet and outlet of the heat exchange plate, and the other end of the water tap is inserted through the side beam of the housing. The water tap and the side beam of the housing are sealed together by the water tap sealing connection structure. The heat exchange plate is located at the bottom of the housing and is thermally connected to the heat exchange component.

[0020] The beneficial effects of this utility model are:

[0021] The water tap sealing connection structure and thermal management system provided by this utility model, by screwing the sealing threaded part close to the side beam of the housing, allows the force to act on the tension adjustment part. On one hand, the force can drive the tension adjustment part to displace along the axial direction of the water tap, shortening the distance between the tension adjustment part and the main body, thus blocking the flow gap between the tension adjustment part and the main body, achieving a seal between the flow gap. On the other hand, the force can simultaneously drive the tension adjustment part to displace along the radial direction of the water tap, shortening the distance between the tension adjustment part and the water tap, thus blocking the flow gap between the tension adjustment part and the water tap, achieving a seal between the flow gap. This design eliminates the need for welding or screwing the water tap to the side beam of the housing in traditional technologies, simplifying the installation process, making operation convenient, and ensuring the safety and reliability of the seal between the water tap and the side beam of the housing, thereby improving the safety and lifespan of the aforementioned thermal management system. Attached Figure Description

[0022] Figure 1 This is a schematic diagram of the water tap sealing connection structure provided by this utility model;

[0023] Figure 2 This is a schematic diagram showing the connection between the faucet sealing connection structure provided by this utility model and the housing and faucet;

[0024] Figure 3 This is a schematic diagram of the thermal management system provided by this utility model.

[0025] In the picture:

[0026] 100. Water tap sealing connection structure; 200. Water tap; 300. Housing; 310. Housing side beam; 400. Heat exchange plate; 410. Inlet and outlet;

[0027] 1. Main body; 11. First threaded section; 12. Third threaded section; 101. Base; 102. Flange;

[0028] 2. Sealing threaded component; 21. Second threaded section; 22. Force-applying part; 221. Pressure-applying surface; 222. Limiting protrusion; 223. Knurled flange;

[0029] 3. Tightness adjusting component; 31. Transmission block; 311. First sealing part; 312. Connecting part; 313. Second sealing part; 32. Elastic sealing component;

[0030] 4. Locking threaded parts;

[0031] 5. Annular sealing ring. Detailed Implementation

[0032] The present invention will now be described in further detail with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the present invention and not intended to limit it. Furthermore, it should be noted that, for ease of description, the accompanying drawings show only the parts relevant to the present invention, not the entire structure.

[0033] In the description of this utility model, unless otherwise explicitly specified and limited, the terms "connected," "linked," and "fixed" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication of two components or the interaction between two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.

[0034] In this invention, unless otherwise explicitly specified and limited, "above" or "below" the second feature can include direct contact between the first and second features, or contact between the first and second features through another feature between them. Furthermore, "above," "over," and "on top" of the second feature includes the first feature directly above or diagonally above the second feature, or simply indicates that the first feature is at a higher horizontal level than the second feature. "Below," "below," and "under" the second feature includes the first feature directly below or diagonally below the second feature, or simply indicates that the first feature is at a lower horizontal level than the second feature.

[0035] In the description of this embodiment, the terms "upper," "lower," "right," and "left," etc., refer to the orientation or positional relationship shown in the accompanying drawings. They are used only for ease of description and simplification of operation, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model. In addition, the terms "first" and "second" are only used for distinction in description and have no special meaning.

[0036] The technical solution provided by this utility model will be described below with reference to the accompanying drawings and specific embodiments.

[0037] Combination Figures 1 to 2 As shown, this utility model provides a water tap sealing connection structure 100 for sealingly connecting a water tap 200 to the side beam 310 of the housing 300. The side beam 310 has an insertion hole, and the water tap 200 passes horizontally through the insertion hole of the side beam 310. The water tap sealing connection structure 100 is sleeved on the water tap 200 and is sealed between the water tap 200 and the inner wall of the insertion hole to circumferentially seal the water tap 200 and ensure a good sealing effect between the water tap 200 and the side beam 310 of the housing.

[0038] The faucet sealing connection structure 100 specifically includes a main body 1, a sealing threaded component 2, and a tightness adjusting component 3. The main body 1 is circumferentially clamped between the faucet 200 and the side beam 310 of the housing, and along the axial direction of the faucet 200 (refer to...). Figure 2 As shown on the X-axis, the main body 1 has a first threaded section 11 protruding out; the sealing threaded part 2 has a second threaded section 21, which is threadedly connected to the first threaded section 11, and a force-applying part 22 is provided on the end of the sealing threaded part 2 away from the main body 1; the tension adjustment part 3 is clamped between the force-applying part 22, the main body 1 and the water nozzle 200.

[0039] In practical use, tightening the sealing thread 2 and bringing it close to the side beam 310 of the housing allows the force-applying part 22 to act on the tension adjustment part 3. On one hand, the force-applying part 22 can drive the tension adjustment part 3 to move along the axial direction of the water nozzle 200, shortening the distance between the tension adjustment part 3 and the main body 1, and reducing the flow clearance between the tension adjustment part 3 and the main body 1 (e.g., Figure 2 The middle path ①) can be blocked, thus sealing the flow gap between the tension adjusting member 3 and the main body 1; on the other hand, the force applying part 22 can simultaneously drive the tension adjusting member 3 along the radial direction of the water nozzle 200 (refer to...). Figure 2 Displacement is generated (as shown on the Y-axis), shortening the distance between the tension adjusting component 3 and the water nozzle 200, thus reducing the flow gap between the tension adjusting component 3 and the water nozzle 200 (as shown on the Y-axis). Figure 2The middle path ②) can be blocked, thus sealing the flow gap between the tension adjustment component 3 and the water nozzle 200. This design not only eliminates the need for welding or screwing the water nozzle 200 to the box side beam 310 in traditional techniques, simplifying the installation process and making operation convenient, but also ensures the safety and reliability of the seal between the water nozzle 200 and the box side beam 310.

[0040] Specifically, the main body 1 also has a protruding third threaded section 12, which is disposed opposite to the first threaded section 11 on both sides of the main body 1; the water tap sealing connection structure 100 also includes a locking threaded component 4, which is threadedly connected to the third threaded section 12. In this embodiment, when the main body 1 is assembled in place, the first threaded section 11 protrudes from the outer side of the box side beam 310, and the third threaded section 12 is located on the inner side of the box side beam 310. By screwing the locking threaded component 4 to fit against the box side beam 310, the main body 1 can be locked in the insertion hole of the box side beam 310, realizing the rapid installation of the main body 1 and having good stability.

[0041] More specifically, the main body 1 provided in this embodiment includes a base 101 and a flange 102. The base 101 is sandwiched between the water nozzle 200 and the inner wall of the insertion hole of the box side beam 310. A third threaded section 12 protrudes from the end face of the base 101, and the flange 102 protrudes circumferentially from the outer edge of the base 101. One side of the flange 102 abuts against the box side beam 310, and the other side of the flange 102 protrudes from the first threaded section 11. This allows the flange 102 to cooperate with the locking threaded part 4 to clamp the main body 1 onto the box side beam 310, preventing the main body 1 from shifting or shaking. Moreover, since the flange 102 and the box side beam 310 can be tightly connected, a seal is achieved between the main body 1 and the box side beam 310, thereby further improving the sealing safety of the water nozzle sealing connection structure 100.

[0042] Specifically, in this embodiment, the force-applying part 22 of the sealing threaded member 2 includes a pressure-applying surface 221, which is inclined. The pressure-applying surface 221 is disposed on the inner sidewall of the sealing threaded member 2 and can press against the outer chamfer of the tension adjustment member 3 to apply pressure to the tension adjustment member 3 along the X-axis and Y-axis respectively.

[0043] With the above setup, during the tightening of the sealing thread 2, the component force of the pressure surface 221 on the tension adjustment component 3 in the X-axis direction will continue to press the tension adjustment component 3 against the main body 1, ensuring that path ① is sealed and blocked. At the same time, the component force of the pressure surface 221 on the tension adjustment component 3 in the Y-axis direction will force the tension adjustment component 3 to undergo elastic deformation, so that the inner sidewall of the tension adjustment component 3 can tightly abut against the outer sidewall of the water nozzle 200, ensuring that path ② is completely cut off and sealed. When the tension adjustment component 3 is finally fully clamped, the pressure surface 221 can also lock the tension adjustment component 3, forming a double self-locking of "threaded pair + bevel pair", ensuring that the tension adjustment component 3 will not loosen.

[0044] Optionally, in this embodiment, the force-applying part 22 further includes a limiting protrusion 222. The limiting protrusion 222 protrudes from the sealing threaded part 2 and faces the water nozzle 200. A pressure-applying surface 221 is provided between the limiting protrusion 222 and the second threaded section 21. With the above arrangement, after the tension adjustment part 3 is locked by the pressure-applying surface 221, the limiting protrusion 222 can fit against the side of the tension adjustment part 3, so that the tension adjustment part 3 is clamped between the limiting protrusion 222 and the main body 1, further reducing the risk of the tension adjustment part 3 loosening along the axial direction of the water nozzle 200.

[0045] Optionally, in this embodiment, the force-applying part 22 further includes a knurled flange 223. The knurled flange 223 protrudes circumferentially and is disposed on the outer side wall of the sealing threaded part 2. The cross-sectional shape of the knurled flange 223 can be a polygonal shape such as a regular hexagon or a regular octagon, thereby increasing the blocking sensation with the sealing threaded part 2 when screwing, making it easier for the operator to hold and operate.

[0046] Specifically, in this embodiment, the tension adjustment component 3 includes a transmission block 31 and an elastic seal 32. The elastic seal 32 is sandwiched between the transmission block 31 and the main body 1, and between the transmission block 31 and the water nozzle 200. When the sealing thread 2 is tightened, the pressure surface 221 of the force-applying part 22 acts on the outer chamfer of the transmission block 31, causing the transmission block 31 to displace along the axial direction and radial direction of the water nozzle 200, respectively. This causes the elastic seal 32 to undergo elastoplastic deformation and seal with the contact surfaces of the main body 1, the transmission block 31, and the water nozzle 200, thereby achieving the best sealing effect. Preferably, the elastic seal 32 is made of elastic foam.

[0047] Furthermore, the transmission block 31 employs a clamp and includes a first sealing part 311, a connecting part 312, and a second sealing part 313. The first sealing part 311 and the second sealing part 313 are parallel and spaced apart at both ends of the connecting part 312, so that the cross-sectional shape of the transmission block 31 on the side of the water nozzle 200 is n-shaped. An elastic sealing element 32 is sandwiched between the first sealing part 311 and the main body 1, and an elastic sealing element 32 is sandwiched between the second sealing part 313 and the water nozzle 200. The outer chamfer of the second sealing part 313 is connected to the force-applying part 22. Through the above arrangement, the structural strength of the part of the transmission block 31 that is connected to the force-applying part 22, i.e., the second sealing part 313, can be reduced to a certain extent, making the second sealing part 313 more prone to deformation in the Y-axis direction. This achieves effective compression of the elastic sealing element 32, ensuring that the elastic sealing element 32 generates sufficient compression deformation to completely seal path ②.

[0048] Optionally, the faucet sealing connection structure 100 further includes an annular sealing ring 5. In this embodiment, the annular sealing ring 5 is sandwiched between the box side beam 310, the base 101, and the flange 102. When the locking thread 4 is screwed onto the box side beam 310, the annular sealing ring 5 is compressed by the box side beam 310, the base 101, and the flange 102 under the action of torque, thereby achieving the sealing of the flow gap (path ③ in the figure) between the main body 1 and the box side beam 310, further improving the safety and reliability of the faucet sealing connection structure 100. Preferably, the annular sealing ring 5 is a rubber ring.

[0049] refer to Figure 2 , Figure 3 As shown, this utility model also provides a thermal management system, which includes a housing 300, a water nozzle 200, a heat exchange plate 400, and the aforementioned water nozzle sealing connection structure 100. The housing 300 has an installation cavity for placing the heat exchange component. One end of the water nozzle 200 can be brazed to the inlet / outlet 410 of the heat exchange plate 400, and the other end of the water nozzle 200 is disposed through the housing side beam 310 of the housing 300. The water nozzle 200 and the housing side beam 310 are sealed together by the water nozzle sealing connection structure 100. The heat exchange plate 400 is disposed at the bottom of the housing 300 and is thermally connected to the heat exchange component.

[0050] In this embodiment, the thermal management system is applied to the cooling system of a direct-cooling and direct-heating power battery. The vehicle's water pipes are connected to the other end of the water inlet 200. The refrigerant flowing from the vehicle's water pipes can directly enter the heat exchange plate 400, allowing the refrigerant to continue cooling the heat exchange components (such as the battery) that are thermally connected to the heat exchange plate 400 within the housing 300. This accelerates cooling efficiency and ensures that the battery's operating temperature remains within a reasonable range. The thermal management system provided by this invention, by setting the aforementioned water inlet sealing connection structure 100, overcomes the shortcomings of traditional water inlet 200 connection methods, such as welding difficulties, connection failures, and sealing difficulties. It reduces the installation difficulty of the water inlet 200 and the housing 300, improves the sealing reliability of the water inlet 200, and ensures safer use and a longer service life.

[0051] In the description of this specification, references to terms such as "some embodiments," "other embodiments," etc., indicate that a specific feature, structure, material, or characteristic described in connection with that embodiment or example is included in at least one embodiment or example of the present invention. In this specification, the illustrative expressions of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in one or more embodiments or examples.

[0052] Obviously, the above embodiments of this utility model are merely examples for clearly illustrating the present utility model, and are not intended to limit the implementation of the present utility model. Those skilled in the art can make various obvious changes, readjustments, and substitutions without departing from the protection scope of this utility model. It is neither necessary nor possible to exhaustively describe all embodiments here. Any modifications, equivalent substitutions, and improvements made within the spirit and principles of this utility model should be included within the protection scope of the claims of this utility model.

Claims

1. A water tap sealing connection structure for sealingly connecting a water tap (200) to a side beam (310) of a housing, wherein the water tap (200) is horizontally disposed through the side beam (310) of the housing, characterized in that, The faucet sealing connection structure (100) includes a main body (1), a sealing threaded component (2), and a tension adjusting component (3), wherein: The main body (1) is circumferentially sandwiched between the water nozzle (200) and the side beam (310) of the box body, and along the axial direction of the water nozzle (200), the main body (1) is provided with a first threaded section (11). The sealing threaded component (2) has a second threaded section (21), which is threadedly connected to the first threaded section (11), and a force-applying part (22) is provided at one end of the sealing threaded component (2) away from the main body (1). The tension adjustment component (3) is sandwiched between the force application part (22), the main body (1) and the water nozzle (200). When the sealing thread (2) is screwed on and close to the side beam (310) of the box, the force application part (22) can drive the tension adjustment component (3) to move along the axial direction of the water nozzle (200) and the radial direction of the water nozzle (200) to block the flow gap between the tension adjustment component (3) and the main body (1) and the water nozzle (200) respectively.

2. The faucet sealing connection structure according to claim 1, characterized in that, The tension adjustment component (3) includes a transmission block (31) and an elastic seal (32). The elastic seal (32) is sandwiched between the transmission block (31) and the main body (1) and between the transmission block (31) and the water nozzle (200). The transmission block (31) can be displaced along the axial direction of the water nozzle (200) and the radial direction of the water nozzle (200) respectively, so as to press the elastic seal (32) tightly.

3. The faucet sealing connection structure according to claim 2, characterized in that, The transmission block (31) includes a first sealing part (311), a connecting part (312), and a second sealing part (313). The first sealing part (311) and the second sealing part (313) are connected parallel to and spaced apart at both ends of the connecting part (312). The elastic sealing element (32) is sandwiched between the first sealing part (311) and the main body (1). The elastic sealing element (32) is sandwiched between the first sealing part (311) and / or the second sealing part (313) and the water nozzle (200). The second sealing part (313) is connected to the force-applying part (22).

4. The faucet sealing connection structure according to claim 1, characterized in that, The force-applying part (22) includes a pressure-applying surface (221), which is inclined. The pressure-applying surface (221) is located on the inner side wall of the sealing thread (2) and can press against the outer chamfer of the tension adjustment part (3) to apply pressure to the tension adjustment part (3) along the axial direction of the water nozzle (200) and the radial direction of the water nozzle (200).

5. The faucet sealing connection structure according to claim 4, characterized in that, The force-applying part (22) also includes a knurled flange (223), which protrudes circumferentially and is disposed on the outer side wall of the sealing thread (2).

6. The faucet sealing connection structure according to claim 4, characterized in that, The force-applying part (22) further includes a limiting protrusion (222), which protrudes from the sealing thread (2) on the side facing the water nozzle (200), and the pressure-applying surface (221) is provided between the limiting protrusion (222) and the second thread segment (21).

7. The faucet sealing connection structure according to claim 1, characterized in that, The main body (1) is also provided with a third threaded section (12), which is provided on both sides of the main body (1) and the first threaded section (11); the water tap sealing connection structure (100) also includes a locking threaded part (4), which is threaded to the third threaded section (12) and can fit against the side beam (310) of the box.

8. The faucet sealing connection structure according to claim 7, characterized in that, The main body (1) includes a base (101) and a flange (102). The base (101) is sandwiched between the water tap (200) and the box side beam (310). The end face of the base (101) is provided with the third threaded section (12). The outer edge of the base (101) is provided with the flange (102) protruding circumferentially. One side of the flange (102) is attached to and abuts against the box side beam (310). The other side of the flange (102) is provided with the first threaded section (11).

9. The faucet sealing connection structure according to claim 1, characterized in that, It also includes an annular sealing ring (5), which is sandwiched between the side beam (310) of the box body and the main body (1).

10. A thermal management system, characterized in that, The device includes a housing (300), a water tap (200), a heat exchange plate (400), and a water tap sealing connection structure (100) as described in any one of claims 1-9. The housing (300) has an installation cavity for placing the heat exchange component. One end of the water tap (200) is connected to the inlet / outlet (410) of the heat exchange plate (400), and the other end of the water tap (200) is disposed through the side beam (310) of the housing (300). The water tap (200) and the side beam (310) are sealed together by the water tap sealing connection structure (100). The heat exchange plate (400) is disposed at the bottom of the housing (300) and is thermally connected to the heat exchange component.

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