Radiator water chamber and u-shaped radiator for vehicle
By forming a recessed groove at the junction of the contact surface and the side wall of the radiator water chamber, with an arc surface and anti-slip texture, the problem of local stress concentration of the sealing gasket under thermal expansion and contraction and pressure fluctuations is solved, the risk of leakage is reduced, and the sealing performance is improved.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- SHANGHAI BEHR THERMAL SYST
- Filing Date
- 2025-07-10
- Publication Date
- 2026-06-09
Smart Images

Figure CN224343640U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of radiator technology, and in particular to a radiator water chamber and a U-shaped radiator for vehicles. Background Technology
[0002] As automotive engines develop towards higher power and smaller size, the heat load on engines is constantly increasing, which places higher demands on the heat dissipation performance of automotive radiators. Traditional radiators generally use a sealing structure with plastic water chambers and rubber gaskets. This structure needs to meet the requirements of thermal and pressure circulation in the cooling system to ensure stable and reliable operation under complex conditions.
[0003] Automotive radiators typically consist of a core, water chambers, and seals. The water chambers are generally made of plastic, offering advantages such as light weight, low cost, and ease of molding. Some types of radiators incorporate a bridging structure within the water chamber for partitioning. This bridging structure is usually a protrusion or partition plate within the water chamber, dividing it into two or more independent areas. Its main function is to alter the coolant flow path, allowing the coolant to flow along a designed route within the radiator, thereby improving heat dissipation efficiency. For example, in radiators requiring distributed or counter-flow coolant cooling, the bridging structure can separate the inlet and outlet chambers into different compartments, ensuring even distribution of coolant as it enters the core and preventing localized overheating.
[0004] For radiators with a bridge structure, they must withstand thermal and pressure cycles within the cooling system during operation. When the engine is running, the coolant temperature constantly changes, causing thermal expansion and contraction of the water chamber and gaskets. Simultaneously, the pressure within the cooling system fluctuates with changes in engine load. Under prolonged exposure to this alternating temperature and pressure environment, the gaskets are subjected to continuous compression and tension. Particularly at the bridge structure, due to its complexity, the gaskets experience uneven stress, easily leading to localized stress concentration. Over time, the gaskets may age and deform. When the gaskets are excessively compressed for extended periods, there is a risk of complete overflow, resulting in leaks. Utility Model Content
[0005] The purpose of this invention is to provide a radiator water chamber and a U-shaped radiator for vehicles, which reduces the probability of leakage caused by overflow of the sealing gasket and improves the sealing performance.
[0006] To achieve this objective, the present invention adopts the following technical solution:
[0007] On one hand, a radiator water chamber is provided, the radiator water chamber including a water chamber body and a partition plate. The water chamber body has a medium groove for receiving a medium. The medium groove includes a bottom wall and a side wall. The partition plate is located in the medium groove and is connected to the bottom wall and the side wall. The partition plate is used to divide the medium groove into two independent areas. The water chamber body also has a contact surface for compressing a sealing gasket. The junction of the contact surface and the side wall is recessed to form a receiving groove. The receiving groove is located at the connection between the water chamber body and the partition plate.
[0008] Optionally, the receiving groove includes a first groove segment connected to the partition plate, the partition plate dividing the first groove segment into two equal parts.
[0009] Optionally, the surface of the first groove segment that contacts the sealing gasket is an arc surface.
[0010] Optionally, the surface of the first groove segment that contacts the sealing gasket is provided with an anti-slip mesh pattern.
[0011] Optionally, the receiving groove further includes a second groove segment located on both sides of the first groove segment along its length, and the depth of the second groove segment gradually decreases in the direction away from the first groove segment.
[0012] Optionally, the width of the second groove segment gradually decreases in the direction away from the first groove segment.
[0013] Optionally, the surface of the second groove segment that contacts the sealing gasket is an arc surface.
[0014] Optionally, a limiting groove is provided on the side of the partition plate opposite to the bottom wall.
[0015] Optionally, the edge of the limiting groove is provided with a rounded corner.
[0016] On the other hand, a U-shaped radiator for vehicles is provided, the U-shaped radiator for vehicles including the radiator water chamber as described in any of the preceding claims.
[0017] The beneficial effects of this utility model are:
[0018] This utility model provides a radiator water chamber. At the junction of the contact surface of the water chamber body used to compress the sealing gasket and the side wall of the medium groove, an indentation is formed to form a receiving groove. The receiving groove is located at the connection between the water chamber body and the partition plate, thereby providing a deformation buffer area for the sealing gasket. This allows the gasket to deform to a limited extent in the direction of the receiving groove when under pressure, avoiding unrestrained overflow. This reduces the probability of leakage caused by gasket overflow and improves sealing performance.
[0019] This utility model also provides a U-shaped radiator for vehicles. By applying the above-mentioned radiator water chamber, the U-shaped radiator effectively solves the problem that the sealing gasket at the bridge structure is easily squeezed and overflows due to the compact space and complex flow channel of the structure. It enables the sealing gasket to achieve controllable deformation in the groove direction when under pressure, avoids unrestrained overflow, reduces the probability of leakage, and improves product quality. Attached Figure Description
[0020] Figure 1 This is a partial structural diagram of the area where the radiator water chamber is connected to the partition plate provided by this utility model;
[0021] Figure 2 yes Figure 1 Enlarged view of the structure of the middle T section;
[0022] Figure 3 This is a schematic diagram of the overall structure of the water chamber of the heater provided by this utility model.
[0023] In the picture:
[0024] 1. Water chamber body; 11. Medium groove; 111. Bottom wall; 112. Side wall; 12. Contact surface; 13. Accommodation groove; 131. First groove section; 132. Anti-slip mesh; 133. Second groove section;
[0025] 2. Divider plate; 21. Limiting groove; 22. Rounded corner. Detailed Implementation
[0026] 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.
[0027] 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.
[0028] 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.
[0029] In the description of this embodiment, the terms "upper," "lower," "right," 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.
[0030] As automotive engines develop towards higher power and smaller size, the heat load on engines is constantly increasing, which places higher demands on the heat dissipation performance of automotive radiators. Traditional radiators generally use a sealing structure with plastic water chambers and rubber gaskets. This structure needs to meet the requirements of thermal and pressure circulation in the cooling system to ensure stable and reliable operation under complex conditions.
[0031] Automotive radiators typically consist of a core, water chambers, and seals. The water chambers are generally made of plastic, offering advantages such as light weight, low cost, and ease of molding. Some types of radiators incorporate a bridging structure within the water chamber for partitioning. This bridging structure is usually a protrusion or partition plate within the water chamber, dividing it into two or more independent areas. Its main function is to alter the coolant flow path, allowing the coolant to flow along a designed route within the radiator, thereby improving heat dissipation efficiency. For example, in radiators requiring distributed or counter-flow coolant cooling, the bridging structure can separate the inlet and outlet chambers into different compartments, ensuring even distribution of coolant as it enters the core and preventing localized overheating.
[0032] For radiators with a bridge structure, they must withstand thermal and pressure cycles within the cooling system during operation. When the engine is running, the coolant temperature constantly changes, causing thermal expansion and contraction of the water chamber and gaskets. Simultaneously, the pressure within the cooling system fluctuates with changes in engine load. Under prolonged exposure to this alternating temperature and pressure environment, the gaskets are subjected to continuous compression and tension. Particularly at the bridge structure, due to its complexity, the gaskets experience uneven stress, easily leading to localized stress concentration. Over time, the gaskets may age and deform. When the gaskets are excessively compressed for extended periods, there is a risk of complete overflow, resulting in leaks.
[0033] Therefore, in order to reduce the probability of leakage due to overflow of the sealing gasket and improve the sealing performance, this embodiment provides a radiator water chamber.
[0034] like Figures 1 to 3 As shown, the radiator water chamber includes a water chamber body 1 and a partition plate 2. The water chamber body 1 has a medium groove 11 for containing the medium. The medium groove 11 includes a bottom wall 111 and a side wall 112. The partition plate 2 is located inside the medium groove 11 and is connected to the bottom wall 111 and the side wall 112. The partition plate 2 is used to divide the medium groove 11 into two independent areas. The water chamber body 1 also has a contact surface 12 for squeezing the sealing gasket. The junction of the contact surface 12 and the side wall 112 is recessed to form a receiving groove 13. The receiving groove 13 is located at the connection between the water chamber body 1 and the partition plate 2.
[0035] The water chamber of the radiator has an indentation forming a receiving groove 13 at the junction of the contact surface 12 of the water chamber body 1 used to compress the sealing gasket and the side wall 112 of the medium groove 11. The receiving groove 13 is located at the connection between the water chamber body 1 and the partition plate 2, thereby providing a deformation buffer area for the sealing gasket. When it is under pressure, it can deform to a limited extent in the direction of the receiving groove 13, avoiding unrestrained overflow. This reduces the probability of leakage caused by the sealing gasket overflowing and improves the sealing performance.
[0036] In this embodiment, the shape of the partition plate 2 is adapted to the shape of the medium groove 11. In this embodiment, the medium groove 11 is semi-circular, so the partition plate 2 is also a semi-circular arc plate. The partition plate 2 is welded to the side wall 112 and bottom wall 111 of the medium groove 11. In this embodiment, the radiator water chamber also includes a main board and a sealing gasket. The main board is connected to the side of the water chamber body 1 where the medium groove 11 is opened. The main board and the water chamber body 1 together form a cavity for containing the medium. The main board has multiple through holes for communicating with the cavity. Part of the sealing gasket is sandwiched between the contact surface 12 of the water chamber body 1 and the main board, and the other part of the sealing gasket is sandwiched between the partition plate 2 and the main board.
[0037] Optionally, such as Figure 2 As shown, the receiving groove 13 includes a first groove segment 131, which is connected to the partition plate 2. The partition plate 2 divides the first groove segment 131 into two equal parts. Based on the original design of the receiving groove 13, its first groove segment 131 is divided into two equal parts by the partition plate 2. The symmetrically distributed double groove structure allows the sealing gaskets on both sides of the partition plate 2 to obtain equal deformation buffer space, effectively solving the problem of excessive compression of the sealing gasket on one side due to uneven pressure on both sides of the partition plate 2 in the traditional single groove structure. It is especially suitable for the symmetrical flow channel layout of U-shaped heat sinks.
[0038] Optionally, such as Figure 2 As shown, the surface of the first groove segment 131 that contacts the sealing gasket is an arc surface. By making the surface of the first groove segment 131 that contacts the sealing gasket an arc surface, not only is the surface of the first groove segment 131 smooth, avoiding scratches on the sealing gasket by sharp edges that could lead to leakage, but the curved transition structure of the arc surface can also effectively eliminate stress concentration caused by right-angle edges, thus improving the reliability of the structure.
[0039] Optionally, such as Figure 2 As shown, the surface of the first groove segment 131 in contact with the sealing gasket is provided with anti-slip texture 132. By providing anti-slip texture 132 on the surface of the first groove segment 131 of the accommodating groove 13 in contact with the sealing gasket, the interfacial friction is significantly enhanced, effectively suppressing the axial slippage of the sealing gasket under high-frequency vibration or pressure change conditions, and avoiding local sealing failure caused by positional displacement. In this embodiment, the anti-slip texture 132 can be directly formed by etching the mold surface without additional processing steps, and has good compatibility with existing rubber sealing gasket materials (such as EPDM, ACM).
[0040] Optionally, such as Figure 2 As shown, the receiving groove 13 also includes a second groove segment 133, which is located on both sides of the first groove segment 131 along its length. The depth of the second groove segment 133 gradually decreases in the direction away from the first groove segment 131. By setting the second groove segment 133 on both sides of the first groove segment 131 along its length and making the depth of the second groove segment 133 gradually decrease in the direction away from the first groove segment 131, the gradient curved surface of the second groove segment 133 is naturally connected to the arc surface of the first groove segment 131, thus constructing a continuous and smooth stress transmission path. When the gasket is under pressure, it can bend controllably along the groove depth gradient direction. Combined with the anti-slip mesh design 132, the tightness of the fit between the gasket and the receiving groove 13 is improved.
[0041] Optionally, such as Figure 2As shown, the width of the second groove segment 133 gradually decreases in the direction away from the first groove segment 131. By making the width of the second groove segment 133 gradually decrease in the direction away from the first groove segment 131, an orderly deformation guidance path is constructed using the transition shape from wide to narrow. The wider area near the first groove segment 131 provides an initial buffer space for the sealing gasket. The narrowing structure that decreases in width to the edge can effectively limit the excessive extension of the sealing gasket to the outside of the water chamber body 1, avoiding the risk of edge sealing material accumulation or overflow that may occur with traditional equal-width groove segments.
[0042] Optionally, such as Figure 2 As shown, the surface of the second groove segment 133 that contacts the sealing gasket is an arc surface. By making the surface of the second groove segment 133 that contacts the sealing gasket an arc surface, not only is the surface of the second groove segment 133 smooth, avoiding scratches on the sealing gasket by sharp edges that could lead to leakage, but the curved transition structure of the arc surface can also effectively eliminate stress concentration caused by right-angle edges, thus improving the reliability of the structure.
[0043] Optionally, such as Figure 2 As shown, a limiting groove 21 is formed on the side of the partition plate 2 facing away from the bottom wall 111. By forming a limiting groove 21 on the side of the partition plate 2 facing away from the bottom wall 111, when the sealing gasket is deformed under pressure, a portion of it will be embedded inside the limiting groove 21. This strengthens the sealing between the partition plate 2 and the main board, and also limits the sealing gasket by using the limiting groove 21, preventing the sealing gasket from shifting under pressure or vibration, thus avoiding sealing failure.
[0044] Optionally, such as Figure 2 As shown, the edge of the limiting groove 21 is provided with a rounded corner 22. By providing a rounded corner 22 at the edge of the limiting groove 21, the sealing gasket is prevented from being scratched by the edge of the limiting groove 21, which would cause damage to the sealing gasket and leakage, affecting the sealing performance between the partition plate 2 and the main board.
[0045] In this embodiment, a U-shaped radiator for vehicles is also provided, which includes the aforementioned radiator water chamber. By applying the aforementioned radiator water chamber, this U-shaped radiator effectively solves the problem of the sealing gasket at the bridge structure being easily squeezed and overflowing due to the compact space and complex flow channels. It allows the sealing gasket to achieve controllable deformation in the groove direction when under pressure, avoiding unrestrained overflow, reducing the probability of leakage, and improving product quality.
[0046] 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 radiator water chamber, characterized in that, The radiator water chamber includes a water chamber body (1) and a partition plate (2). The water chamber body (1) has a medium groove (11) for accommodating the medium. The medium groove (11) includes a bottom wall (111) and a side wall (112). The partition plate (2) is located inside the medium groove (11) and is connected to the bottom wall (111) and the side wall (112). The partition plate (2) is used to divide the medium groove (11) into two independent areas. The water chamber body (1) also has a contact surface (12) for squeezing the sealing gasket. The interface between the contact surface (12) and the side wall (112) is recessed to form a receiving groove (13). The receiving groove (13) is located at the connection between the water chamber body (1) and the partition plate (2).
2. The radiator water chamber according to claim 1, characterized in that, The receiving groove (13) includes a first groove segment (131), which is connected to the partition plate (2), and the partition plate (2) divides the first groove segment (131) into two equal parts.
3. The radiator water chamber according to claim 2, characterized in that, The surface of the first groove segment (131) that contacts the sealing gasket is an arc surface.
4. The radiator water chamber according to claim 2, characterized in that, The surface of the first groove (131) that contacts the sealing gasket is provided with anti-slip mesh (132).
5. The radiator water chamber according to claim 2, characterized in that, The receiving groove (13) further includes a second groove segment (133), which is located on both sides of the first groove segment (131) along the length direction, and the depth of the second groove segment (133) gradually decreases in the direction away from the first groove segment (131).
6. The radiator water chamber according to claim 5, characterized in that, The width of the second groove segment (133) gradually decreases in the direction away from the first groove segment (131).
7. The radiator water chamber according to claim 5, characterized in that, The surface of the second groove segment (133) that contacts the sealing gasket is an arc surface.
8. The radiator water chamber according to claim 1, characterized in that, The partition plate (2) has a limiting groove (21) on the side opposite to the bottom wall (111).
9. The radiator water chamber according to claim 8, characterized in that, The limiting groove (21) has a rounded corner (22) at its edge.
10. A U-shaped radiator for automobiles, characterized in that, The vehicle U-shaped radiator includes the radiator water chamber as described in any one of claims 1-9.