Filling adapter for cooling system of heavy new energy vehicle
By designing a filling conversion joint for the cooling system of heavy-duty new energy vehicles and using coil springs to tighten the rubber sealing ring, the problems of poor adaptability and sealing of the existing joints are solved, and the stability of the filling volume of the cooling system and the improvement of vehicle performance are achieved.
Patent Information
- Application Number
- CN202421785987.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-07-26
- Publication Date
- 2025-05-13
- Estimated Expiration
- 2034-07-26
AI Technical Summary
The existing coolant filling equipment cannot meet the filling requirements of the cooling system of heavy-duty new energy vehicles, resulting in poor adaptability and poor sealing of the filling joint, resulting in insufficient filling volume and affecting vehicle performance.
A filling conversion joint including the outer cylinder of the joint, the inner retaining ring, the hexagon bolt, the coil spring, the inner cylinder of the joint and the rubber sealing ring is designed. The compression force is provided through the coil spring to tighten the rubber sealing ring to ensure the sealing of the joint.
It achieves good sealing of the joints, solves the problems of poor adaptability and sealing, ensures the stability of the filling volume of the cooling system, and improves vehicle performance.
Smart Images
Figure CN222864432U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to a filling conversion joint for a cooling system of a heavy-duty new energy vehicle, belonging to the technical field of heavy-duty new energy vehicles. Background Art
[0002] The cooling system of heavy-duty new energy vehicles is significantly different from that of traditional fuel vehicles. New battery cooling systems and motor cooling systems are added. The interface sizes and shapes of the expansion water tanks of each cooling system are different. Existing coolant filling equipment cannot meet the filling requirements of the cooling system of heavy-duty new energy vehicles, cannot be adapted to the expansion water tank interfaces of each cooling system, and cannot guarantee the sealing requirements of the cooling system filling. The filling amount of the cooling system of heavy-duty new energy vehicles directly affects the performance of heavy-duty new energy vehicles. In particular, the poor adaptability and sealing of the filling joints of the cooling system of heavy-duty new energy vehicles will cause insufficient filling of the cooling system of heavy-duty new energy vehicles, causing heavy-duty new energy vehicles to malfunction and affect the performance of the entire vehicle. Therefore, there is an urgent need for a filling conversion joint for the cooling system of heavy-duty new energy vehicles. Summary of the invention
[0003] The technical problem to be solved by the utility model is to provide a filling conversion joint for a cooling system of a heavy-duty new energy vehicle in view of the defects in the prior art, so as to solve the problems of poor adaptability and poor sealing of the filling joint of the cooling system of the heavy-duty new energy vehicle.
[0004] To solve this technical problem, the utility model provides a filling conversion joint for a heavy-duty new energy vehicle cooling system, comprising an external cylinder of the joint, an internal retaining ring, a hexagon socket bolt, a coil spring, an internal cylinder of the joint and a rubber sealing ring. A filling joint is provided at one end of the external cylinder of the joint, and the filling joint is connected to the filling interface of the filling equipment; the internal retaining ring, the coil spring and the internal cylinder of the joint are sequentially arranged in the external cylinder of the joint, a rubber sealing ring is embedded in the outer end of the internal cylinder of the joint, and is connected to the water tank interface of the cooling system of the heavy-duty new energy vehicle; the coil spring provides a pressing force for screwing and pressing the external cylinder of the joint and the water tank interface of the cooling system of the heavy-duty new energy vehicle, and at the same time acts on the internal cylinder of the joint to press the rubber sealing ring to ensure the sealing of the joint.
[0005] An outward boss is provided at one end of the internal cylinder of the joint, and the outer diameter of the outward boss is the same as the outer diameter of the internal retaining ring, which is used to position the internal retaining ring; a sealing groove is provided on the outside of the other end of the internal cylinder of the joint, and an inward boss is provided inside to position the coil spring; the coil spring is arranged in the internal cylinder of the joint, and the internal retaining ring 2 is arranged outside the internal cylinder of the joint.
[0006] The rubber sealing ring is embedded in the sealing groove at the end of the inner cylinder of the joint.
[0007] The outer cylinder of the joint is provided with four through holes, and the inner retaining ring is provided with four threaded holes. The inner retaining ring and the corresponding through holes of the outer cylinder of the joint are threadedly connected by hexagon socket bolts to realize the installation and positioning of the inner cylinder of the joint.
[0008] The four through holes on the outer cylinder of the joint are evenly distributed at 90 degrees along the circumference of the cylinder.
[0009] A raised rectangular clamping block is provided on the outer cylinder of the joint. After the outer cylinder of the joint and the water tank interface of the cooling system of the heavy-duty new energy vehicle are screwed and pressed tightly, the outer cylinder of the joint is clamped at the water tank interface of the cooling system through the rectangular clamping block.
[0010] Beneficial effects: The utility model is provided with an external cylinder body and an internal cylinder body of the joint. The compression force is provided by a spiral spring to compress the rubber sealing ring, thereby ensuring the sealing of the joint. The design is reasonable and the operation is convenient. The problem of poor adaptability and poor sealing of the water tank joint of the heavy-duty new energy cooling system is solved, and the sealing effect is good. BRIEF DESCRIPTION OF THE DRAWINGS
[0011] Figure 1 It is an exploded schematic diagram of the assembly structure of the utility model;
[0012] Figure 2 It is a three-dimensional exploded schematic diagram of the assembly structure of the utility model;
[0013] Figure 3 This is a schematic diagram of the assembly structure of the utility model in a front view and a cross-section;
[0014] Figure 4 A schematic diagram of the three-dimensional structure of the internal cylinder of the joint of the utility model;
[0015] Figure 5 A schematic diagram of the cross-sectional structure of the internal cylinder of the joint of the utility model.
[0016] In the figure: 1. External cylinder of the joint; 2. Internal retaining ring; 3. Hexagon socket bolt; 4. Coil spring; 5. Internal cylinder of the joint; 6. Rubber sealing ring; 11. Through hole; 12. Block; 13. Filling joint; 51. Outward boss; 52. Inward boss. DETAILED DESCRIPTION
[0017] The utility model is described in detail below in conjunction with the accompanying drawings and embodiments.
[0018] like Figure 1-Figure 5As shown, the utility model provides a filling conversion joint for a cooling system of a heavy-duty new energy vehicle, comprising an external cylinder 1 of the joint, an internal retaining ring 2, a hexagon socket bolt 3, a coil spring 4, an internal cylinder 5 of the joint and a rubber sealing ring 6. A filling joint 13 is provided at one end of the external cylinder 1 of the joint, and the filling joint 13 is connected to the filling interface of the filling equipment; the internal retaining ring 2, the coil spring 4 and the internal cylinder 5 of the joint are sequentially arranged in the external cylinder 1 of the joint, and a rubber sealing ring 6 is embedded at the outer end of the internal cylinder 5 of the joint, and is connected to the water tank interface of the cooling system of the heavy-duty new energy vehicle to ensure the sealing of the pipeline connection and ensure that the filling amount of the cooling system of the heavy-duty new energy vehicle meets the design requirements; the coil spring 4 provides a pressing force for screwing and pressing the external cylinder 1 of the joint and the water tank interface of the cooling system of the heavy-duty new energy vehicle, and at the same time acts on the internal cylinder 5 of the joint to press the rubber sealing ring 6 to further improve the sealing of the joint.
[0019] An outward boss 51 is provided at one end of the internal cylinder 5 of the joint, and the outer diameter of the outward boss is the same as the outer diameter of the internal retaining ring 2, which is used to position the internal retaining ring 2; a sealing groove is provided on the outside of the other end of the internal cylinder 5 of the joint, and an inward boss 52 is provided inside to position the coil spring 4; the coil spring 4 is arranged in the internal cylinder 5 of the joint, and the internal retaining ring 2 is arranged outside the internal cylinder 5 of the joint.
[0020] The rubber sealing ring 6 is embedded in the sealing groove at the end of the internal cylinder 5 of the joint to ensure the sealing of the joint.
[0021] The outer cylinder 1 of the joint is provided with four through holes 11, and the inner retaining ring 2 is provided with four threaded holes. The inner retaining ring 2 and the outer cylinder 1 of the joint are threadedly connected through the hexagon socket bolts 3 at the corresponding through holes 11 to achieve the installation and positioning of the inner cylinder of the joint.
[0022] The four through holes 11 on the outer cylinder 1 of the joint are evenly distributed at 90 degrees along the circumference of the cylinder.
[0023] The outer cylinder 1 of the joint is provided with a raised rectangular clamping block 12 , and the outer cylinder 1 of the joint is screwed and pressed with the water tank interface of the cooling system of the heavy-duty new energy vehicle, and then clamped at the water tank interface of the cooling system through the rectangular clamping block 12 .
[0024] The utility model is provided with an external cylinder body and an internal cylinder body of the joint, and a compression force is provided by a spiral spring to compress the rubber sealing ring, thereby further improving the sealing performance of the joint. The utility model has a reasonable design and is easy to operate, and solves the problems of poor adaptability and poor sealing of the water tank joint of the heavy-duty new energy cooling system, and has a good sealing effect.
[0025] The above embodiments of the present invention are merely illustrative and not exclusive, and all modifications within the scope of the present invention or equivalent to the scope of the present invention are encompassed by the present invention.
Claims
1. A filling conversion joint for a cooling system of a heavy-duty new energy vehicle, characterized in that: The invention comprises an external cylinder (1) of the joint, an internal retaining ring (2), a hexagon socket bolt (3), a coil spring (4), an internal cylinder (5) of the joint and a rubber sealing ring (6); one end of the external cylinder (1) of the joint is provided with a filling joint (13), and the filling joint (13) is connected to the filling interface of the filling device; the internal retaining ring (2), the coil spring (4) and the internal cylinder (5) of the joint are sequentially arranged in the external cylinder (1) of the joint; the outer end of the internal cylinder (5) of the joint is embedded with a rubber sealing ring (6) and is connected to the interface of the water tank of the cooling system of the heavy-duty new energy vehicle; the coil spring (4) provides a pressing force for the external cylinder (1) of the joint and the interface of the water tank of the cooling system of the heavy-duty new energy vehicle to be screwed and pressed, and at the same time acts on the internal cylinder (5) of the joint to press the rubber sealing ring (6) to ensure the sealing of the joint.
2. The filling conversion joint of the cooling system of a heavy-duty new energy vehicle according to claim 1 is characterized in that: An outward boss (51) is provided at one end of the joint internal cylinder (5), the outer diameter of the outward boss (51) being the same as the outer diameter of the internal retaining ring (2) and being used for positioning the internal retaining ring (2); a sealing groove is provided on the outside of the other end of the joint internal cylinder (5) and an inward boss (52) is provided on the inside for positioning the coil spring (4); the coil spring (4) is arranged in the joint internal cylinder (5), and the internal retaining ring (2) is arranged outside the joint internal cylinder (5).
3. The filling conversion joint of the cooling system of a heavy-duty new energy vehicle according to claim 1 is characterized in that: The rubber sealing ring (6) is embedded in the sealing groove at the end of the internal cylinder (5) of the joint.
4. The filling conversion joint of the cooling system of a heavy-duty new energy vehicle according to claim 1 is characterized in that: The external cylinder (1) of the joint is provided with four through holes (11), and the internal retaining ring (2) is provided with four threaded holes. The internal retaining ring (2) and the corresponding through holes (11) of the external cylinder (1) of the joint are threadedly connected by means of hexagon socket bolts (3) to achieve installation and positioning of the internal cylinder (5) of the joint.
5. The filling conversion joint of the cooling system of a heavy-duty new energy vehicle according to claim 4 is characterized in that: The four through holes (11) on the outer cylinder (1) of the joint are evenly distributed at 90 degrees along the circumference of the cylinder.
6. The filling conversion joint of the cooling system of a heavy-duty new energy vehicle according to any one of claims 1 to 5, characterized in that: A raised rectangular clamping block (12) is provided on the external cylinder body (1) of the joint, and after the external cylinder body (1) of the joint and the water tank interface of the cooling system of the heavy-duty new energy vehicle are screwed and pressed tightly, the external cylinder body (1) of the joint is clamped at the water tank interface of the cooling system through the rectangular clamping block (12).