Engine and motor sealing structure under hybrid configuration and automobile

By setting up a sealing plate between the engine and the motor, and using the bent oil seal seat sealing surface and compression bolts to achieve sealing connection, the problem that the traditional sealing structure cannot meet the waterproof and dustproof requirements is solved, and the sealing and reliability are significantly improved.

CN222875761UActive Publication Date: 2025-05-16BAIC MOTOR CORP LTD
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Patent Information

Application Number
CN202422007619.7
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-08-19
Publication Date
2025-05-16
Estimated Expiration
2034-08-19

AI Technical Summary

Technical Problem

The fitting of the traditional engine and the gearbox joint surface cannot meet the waterproof and dust-proof requirements of the engine and motor cavity for external impurities in the hybrid configuration, affecting the sealing performance.

Method used

A sealing plate is used to set between the engine and the motor, and is fixed with the sealing flange of the crankshaft rear oil seal seat through the sealing surface of the crankshaft rear oil seal seat, and a sealing connection is achieved using compression bolts to increase the reinforcement ribs to increase the strength of the sealing plate.

Benefits of technology

It effectively improves the sealing of the engine and motor in the external environment, reduces the maintenance rate, and improves the reliability of the hybrid configuration.

✦ Generated by Eureka AI based on patent content.

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    Figure CN222875761U_ABST
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Abstract

The utility model discloses an engine and motor sealing structure under a hybrid configuration and an automobile, and relates to the field of automobile dustproof sealing elements, the engine and motor sealing structure under the hybrid configuration comprises a sealing plate, the periphery of one side is connected with an engine, the periphery of the other side of the sealing plate is connected with a motor, and the upper end of the sealing plate extends to the top of the joint of the engine and the motor; the lower end of the sealing plate extends to the position below the oil pan, and the sealing plate seals a cavity formed by the engine and the motor. The sealing structure can improve the sealing performance of the combination surface of the engine and the motor and the external environment, so that the maintenance rate is reduced, and the reliability of the engine and direct connection motor hybrid configuration is improved.
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Description

Technical Field

[0001] The utility model belongs to the field of automobile dustproof seals, and more specifically, relates to an engine and motor sealing structure in a hybrid configuration and an automobile. Background Art

[0002] Improving engine thermal efficiency is the main development goal of energy-saving vehicles at present. Figure 2 .0 indicates that the fuel consumption of traditional new energy passenger cars will be 5.6L / 100km (WLTC) in 2025, 4.8L / 100km (WLTC) in 2030, and 4L / 100km (WLTC) in 2035. Traditional fuel engines can no longer meet the increasingly stringent regulatory requirements, and hybridization is the current focus of work. As a hybrid configuration, the engine + direct-connected motor, the cavity formed by the connection between the engine and the motor is sensitive to external impurities and requires waterproof and dustproof. The traditional engine and gearbox joint surface cannot meet the use requirements, which will affect the sealing of the cavity formed after the engine and the motor are connected. Utility Model Content

[0003] The purpose of the utility model is to address the deficiencies in the prior art and to provide a sealing structure for an engine and a motor in a hybrid configuration and a vehicle, wherein the sealing structure can improve the sealing performance between the joint surface between the engine and the motor and the external environment, thereby reducing the maintenance rate and improving the reliability of the hybrid configuration of the engine and the direct-connected motor.

[0004] In order to achieve the above object, the utility model provides a sealing structure of an engine and a motor in a hybrid configuration, comprising:

[0005] A sealing plate, one side of which is connected to the engine, and the other side of which is connected to the motor. The upper end of the sealing plate extends to the top of the junction of the engine and the motor, and the lower end of the sealing plate extends to the bottom of the oil pan. The sealing plate seals the cavity formed by the engine and the motor.

[0006] Optionally, a curved rear oil seal seat sealing surface is provided in the middle of the sealing plate, a raised portion is provided on the periphery of the curved rear oil seal seat sealing surface, and both the curved rear oil seal seat sealing surface and the raised portion are raised toward one side of the motor direction.

[0007] Optionally, the raised height of the sealing surface of the curved rear oil seal seat is higher than the raised height of the raised portion, and the raised height of the raised portion gradually increases from the outer circumference to the center of the sealing plate.

[0008] Optionally, the sealing surface of the crankshaft rear oil seal seat is connected to the suture bolt hole of the crankshaft rear oil seal seat through a clamping bolt.

[0009] Optionally, a glue containing groove is provided on the sealing surface of the curved rear oil seal seat, and silicone is applied in the glue containing groove.

[0010] Optionally, the thickness of the sealing plate is not less than 1 mm, and the sealing plate is made of cold-rolled steel plate.

[0011] Optionally, the sealing plate is provided with a plurality of reinforcing ribs along the circumferential direction.

[0012] Optionally, the reinforcing rib is in a shape of a triangle, a rectangle or a trapezoid.

[0013] Optionally, a plurality of mounting holes are provided on the outer periphery of the sealing plate.

[0014] The utility model also provides a car, comprising the above-mentioned engine and motor sealing structure in a hybrid configuration.

[0015] The utility model provides an engine and motor sealing structure and a vehicle under a hybrid configuration, and its beneficial effects are: a sealing plate is used in the sealing structure to be arranged between the engine and the motor, the sealing surface of the crankshaft rear oil seal seat is fitted and fixed with the crankshaft rear oil seal seat sealing flange, and a compression screw is used to achieve a sealed connection, and a plurality of mounting holes are arranged on the outer periphery of the sealing plate, so that the sealing plate can seal the cavity formed between the engine and the motor to prevent external impurities from entering the cavity.

[0016] Other features and advantages of the present invention will be described in detail in the subsequent specific implementation section. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] The above and other objects, features and advantages of the present invention will become more apparent through a more detailed description of exemplary embodiments of the present invention in conjunction with the accompanying drawings, wherein the same reference numerals generally represent the same components in the exemplary embodiments of the present invention.

[0018] Figure 1 A schematic diagram showing the position of the engine and motor sealing structure in a hybrid configuration according to an embodiment of the utility model is shown.

[0019] Figure 2 A schematic structural diagram of a sealing plate facing the engine according to an embodiment of the utility model is shown.

[0020] Figure 3 Shows Figure 2 Right view of .

[0021] Figure 4 A schematic structural diagram of a crankshaft rear oil seal seat and a sealing plate fitting surface according to an embodiment of the utility model is shown.

[0022] Description of reference numerals:

[0023] 1. Cylinder block; 2. Oil pan; 3. Motor; 4. Sealing plate; 401. Sealing surface; 402. Reinforcing rib; 403. Raised portion; 404. Sealing surface of rear crankshaft oil seal; 405. Glue containing groove; 5. Crankshaft rear oil seal seat; 501. Sealing flange of crankshaft rear oil seal seat; 502. Stitching bolt hole; 6. Cavity; 7. Holding bolt. DETAILED DESCRIPTION

[0024] The preferred embodiments of the present invention will be described in more detail below. Although the preferred embodiments of the present invention are described below, it should be understood that the present invention can be implemented in various forms and should not be limited by the embodiments described herein. On the contrary, these embodiments are provided to make the present invention more thorough and complete, and to fully convey the scope of the present invention to those skilled in the art.

[0025] The utility model provides a sealing structure of an engine and a motor in a hybrid configuration, comprising:

[0026] A sealing plate, one side of the outer periphery of the sealing plate is connected to the engine, and the other side of the outer periphery of the sealing plate is connected to the motor. The upper end of the sealing plate extends to the top of the junction of the engine and the motor, and the lower end of the sealing plate extends to the bottom of the oil pan. The sealing plate seals the cavity formed by the engine and the motor.

[0027] Specifically, the sealing structure adopts a sealing plate arranged between the engine and the motor. The coverage area of ​​the sealing plate exceeds the junction of the engine and the motor, and the lower end of the sealing plate can extend to the bottom of the oil pan. In this way, the sealing plate can fully seal the cavity formed by the engine and the motor to prevent external impurities from entering the cavity between the engine and the motor.

[0028] Optionally, a curved rear oil seal seat sealing surface is provided in the middle of the sealing plate, a raised portion is provided on the periphery of the curved rear oil seal seat sealing surface, and both the curved rear oil seal seat sealing surface and the raised portion are raised toward one side of the motor direction.

[0029] Specifically, the sealing plate extends to the sealing surface of the crankshaft rear oil seal seat through the raised portion, and is fitted with the crankshaft rear oil seal sealing flange of the crankshaft rear oil seal seat, so that the sealing plate fits the end structure of the engine and avoids leaving space for external impurities to enter.

[0030] Optionally, the raised height of the sealing surface of the curved rear oil seal seat is higher than the raised height of the raised portion, and the raised height of the raised portion gradually increases from the outer periphery to the center of the sealing plate.

[0031] Optionally, the sealing plate is provided with a plurality of reinforcing ribs along the circumferential direction.

[0032] Specifically, the sealing plate is provided with a raised portion and a sealing surface of the rear oil seal seat facing the motor side, so that the sealing plate can fit the crankshaft end of the engine in a conforming manner, and a plurality of reinforcing ribs are provided in the area of ​​the raised portion of the sealing plate, thereby improving the overall mode of the sealing plate and increasing the overall strength of the sealing plate.

[0033] Optionally, the sealing surface of the crankshaft rear oil seal seat is connected to the suture bolt hole of the crankshaft rear oil seal seat by a clamping bolt.

[0034] Specifically, the sealing surface of the rear oil seal is screwed and fixed to the sewing bolt hole by means of a compression bolt, so that the sealing performance between the sealing plate and the engine is better and the connection strength is improved.

[0035] Optionally, a glue containing groove is provided on the sealing surface of the bent rear oil seal seat, and silicone is smeared in the glue containing groove.

[0036] Specifically, a glue groove is provided on the sealing surface of the rear crankshaft oil seal seat. When the sealing plate is installed on the engine, silicone is applied in the glue groove in advance. In this way, after the sealing surface of the rear crankshaft oil seal seat is connected and fitted with the sealing flange of the rear crankshaft oil seal seat, the silicone can further improve the sealing performance of the sealing plate.

[0037] Optionally, the thickness of the sealing plate is not less than 1 mm, and the sealing plate is made of cold-rolled steel plate.

[0038] Specifically, the sealing plate adopts a cold-rolled steel plate with a thickness greater than 1 mm. On the basis of reducing the weight, the oxidation resistance, moisture resistance and strength of the sealing plate also need to be ensured.

[0039] Optionally, the shape of the reinforcement rib is triangle, rectangle or trapezoid.

[0040] Specifically, the reinforcing ribs are arranged on the outer periphery of the sealing surface of the curved rear oil seal seat of the sealing plate. Since the size of the sealing plate needs to be designed according to the area of ​​the joint of the engine and the motor and cannot exceed the ends of the engine and the motor too much, the reinforcing ribs also need to be designed into different shapes according to the reserved area. However, the reinforcing ribs still play a role in increasing the strength of the sealing plate, and the reinforcing ribs are arranged along the circumferential direction, so that the overall strength of the sealing plate is more uniform.

[0041] Optionally, a plurality of mounting holes are provided on the outer periphery of the sealing plate.

[0042] Specifically, the sealing plate is connected to the crankshaft oil seal of the engine through the sealing surface of the rear crankshaft oil seal seat, and the sealing plate is sealed and connected to the cylinder block of the engine through multiple mounting holes on the upper end of the sealing plate, and then the engine is connected to the motor, and finally the sealing plate is sealed and connected to the motor through multiple mounting holes at the lower end of the sealing plate, so that the sealing plate can seal the cavity formed by the engine and the motor.

[0043] The utility model also provides a car, comprising the above-mentioned engine and motor sealing structure in a hybrid configuration.

[0044] Example

[0045] like Figures 1 to 4 As shown, the utility model provides a sealing structure of an engine and a motor in a hybrid configuration, comprising:

[0046] The sealing plate 4 has one outer periphery connected to the cylinder block 1 of the engine, and the other outer periphery connected to the motor 3. The upper end of the sealing plate 4 extends to the top of the junction of the engine and the motor, and the lower end of the sealing plate 4 extends to the bottom of the oil pan 2. The sealing plate 4 seals the cavity 6 formed by the engine and the motor.

[0047] In this embodiment, a curved rear oil seal seat sealing surface 404 is provided in the middle of the sealing plate 4, and a protrusion 403 is provided on the periphery of the curved rear oil seal seat sealing surface 404. Both the curved rear oil seal seat sealing surface 404 and the protrusion 403 protrude toward one side of the motor 3.

[0048] In this embodiment, the raised height of the sealing surface 404 of the curved rear oil seal seat is higher than the raised height of the raised portion 403 , and the raised height of the raised portion 403 gradually increases from the periphery to the center of the sealing plate 4 .

[0049] In this embodiment, the sealing surface 404 of the crankshaft rear oil seal seat is connected to the suture bolt hole 502 of the crankshaft rear oil seal seat 5 through the clamping bolt 7.

[0050] In this embodiment, a glue containing groove 405 is provided on the sealing surface 404 of the rear oil seal seat, and silicone is smeared in the glue containing groove 405 .

[0051] In this embodiment, the thickness of the sealing plate 4 is not less than 1 mm, and the sealing plate 4 is made of a cold-rolled steel plate.

[0052] In this embodiment, the sealing plate 4 is provided with a plurality of reinforcing ribs 402 along the circumferential direction.

[0053] In this embodiment, the shape of the reinforcing rib 402 is a triangle, a rectangle or a trapezoid.

[0054] In this embodiment, a sealing surface 401 is provided on the outer periphery of the sealing plate 4, and a plurality of mounting holes are provided on the sealing surface at intervals.

[0055] The utility model also provides a car, comprising the above-mentioned engine and motor sealing structure in a hybrid configuration.

[0056] In summary, during the installation of the sealing structure, first, apply silicone on the glue groove 405, then align the mounting hole of the sealing surface 404 of the crankshaft rear oil seal seat with the suture bolt hole 502 on the crankshaft rear oil seal seat sealing flange 501, and finally fix it with the clamping bolt 7, so that the sealing plate 4 can be aligned with the cylinder block 1 of the engine, and then the sealing plate 4 and the engine are sealed and connected through several mounting holes at the upper end; next, the engine is connected to the motor 3, and finally, the sealing plate 4 and the motor 3 are sealed and connected through several mounting holes at the lower end of the sealing plate 4, so that the sealing plate 4 can seal the cavity 6 formed by the engine and the motor 3.

[0057] The various embodiments of the utility model have been described above, and the above description is exemplary, not exhaustive, and is not limited to the disclosed embodiments. Many modifications and changes are obvious to those of ordinary skill in the art without departing from the scope and spirit of the described embodiments.

Claims

1. A sealing structure for an engine and a motor in a hybrid configuration, characterized in that: include: A sealing plate, one side of which is connected to the engine, and the other side of which is connected to the motor. The upper end of the sealing plate extends to the top of the junction of the engine and the motor, and the lower end of the sealing plate extends to the bottom of the oil pan. The sealing plate seals the cavity formed by the engine and the motor.

2. The hybrid engine and motor sealing structure according to claim 1, characterized in that: A curved rear oil seal seat sealing surface is provided in the middle of the sealing plate, a raised portion is provided on the periphery of the curved rear oil seal seat sealing surface, and both the curved rear oil seal seat sealing surface and the raised portion are raised toward one side of the motor direction.

3. The hybrid engine and motor sealing structure according to claim 2, characterized in that: The raised height of the sealing surface of the curved rear oil seal seat is higher than the raised height of the raised portion, and the raised height of the raised portion gradually increases from the outer circumference to the center of the sealing plate.

4. The hybrid engine and motor sealing structure according to claim 2, characterized in that: The sealing surface of the crankshaft rear oil seal seat is connected to the suture bolt hole of the crankshaft rear oil seal seat through a clamping bolt.

5. The hybrid engine and motor sealing structure according to claim 4, characterized in that: A glue containing groove is arranged on the sealing surface of the rear bent oil seal seat, and silicone is smeared in the glue containing groove.

6. The hybrid engine and motor sealing structure according to claim 1, characterized in that: The thickness of the sealing plate is not less than 1 mm, and the sealing plate is made of cold-rolled steel plate.

7. The hybrid engine and motor sealing structure according to claim 1, characterized in that: The sealing plate is provided with a plurality of reinforcing ribs along the circumferential direction.

8. The hybrid engine and motor sealing structure according to claim 7, characterized in that: The shape of the reinforcing rib is triangle, rectangle or trapezoid.

9. The hybrid engine and motor sealing structure according to claim 1, characterized in that: A plurality of mounting holes are arranged on the outer periphery of the sealing plate.

10. An automobile, characterized in that: It includes a sealing structure for an engine and a motor in a hybrid configuration according to any one of claims 1 to 9.