Engine sump

By designing an engine oil pan with a give way slot and a sealing piece, the problem of oil leakage at the crankshaft oil seal is not easy to be discovered, and regular inspection and timely detection of oil leakage is achieved to ensure the safe and reliable operation of the motor.

CN222596144UActive Publication Date: 2025-03-11GREAT WALL MOTOR CO LTD
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Patent Information

Application Number
CN202421498222.6
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-06-27
Publication Date
2025-03-11
Estimated Expiration
2034-06-27

AI Technical Summary

Technical Problem

In existing devices that integrate engines and motors, oil leakage at the crankshaft oil seal is not easily discovered, resulting in long-term accumulation of oil, which may cause abnormal motor operation and affect service life.

Method used

An engine oil pan is designed, including an oil pan body and a sealing member. One end of the oil pan body is equipped with an end-face connection flange and a give way groove, and an opening and a sealing member are provided on the oil connection part to facilitate detection of oil leakage in the crankshaft oil seal part.

Benefits of technology

By setting up a give way groove and sealing piece, ensure that the oil will not leak out of the polluted environment, it is convenient to regularly check whether the crankshaft oil seal part is leaking, and timely discover oil leakage, so as to prevent abnormal motor operation caused by the accumulation of oil for a long time.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model provides an engine oil pan which comprises an oil pan body and a plugging piece, one end of the oil pan body is provided with an end face connecting flange, the end face connecting flange is used for being connected with an opponent piece, the upper portion of the end face connecting flange is provided with a receding groove, and the bottom of the end face connecting flange is provided with an oil receiving portion. The abdicating groove is used for abdicating oil leaked from a crankshaft oil seal of the engine, the oil receiving part is used for receiving the leaked oil, an opening is formed in the oil receiving part, the opening is plugged by the plugging piece, and the plugging piece is detachably connected with the end face connecting flange. According to the engine sump disclosed by the utility model, whether the crankshaft oil seal leaks oil or not can be conveniently observed, the convenience of maintenance can be increased, and after an engine provided with the engine sump is integrated with a motor, the safe and reliable operation of the motor can be ensured.
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Description

Technical Field

[0001] The utility model relates to the technical field of vehicle parts, in particular to an engine oil pan. Background Art

[0002] An engine is a power device that can convert other forms of energy (such as chemical energy, thermal energy, etc.) into mechanical energy to drive various devices or machines. The working principle of the engine is based on energy conversion, of which the internal combustion engine is the most common type. It generates high-temperature and high-pressure gas by burning fuel, which drives the piston to move and then converts it into mechanical energy.

[0003] In existing devices where the engine and motor are integrated together, the crankshaft oil seal is located between the engine and the motor. Therefore, if oil leaks from the crankshaft mounting hole through the crankshaft oil seal, it is not easy to be discovered. The leaked oil accumulates over a long period of time and may cause the motor to malfunction, affecting the service life of the motor. Utility Model Content

[0004] In view of this, the utility model aims to provide an engine oil pan, so as to check whether the crankshaft oil seal part is leaking oil.

[0005] In order to achieve the above object, the technical solution of the utility model is implemented as follows:

[0006] An engine oil pan, comprising an oil pan body and a plugging member, wherein:

[0007] One end of the oil pan body is provided with an end surface connection flange, and the end surface connection flange is used to connect with a counterpart;

[0008] A clearance groove is provided at the upper part of the end surface connection flange, and an oil receiving portion is provided at the bottom of the end surface connection flange. The clearance groove is used to make way for the oil leaking from the crankshaft oil seal of the engine, and the oil receiving portion is used to receive the oil leaking from the clearance groove;

[0009] The oil receiving portion is provided with an opening, the blocking member is blocked at the opening, and the blocking member is detachably connected to the end surface connecting flange.

[0010] Furthermore, the oil receiving portion is provided with a groove, and the oil receiving portion is divided into a first oil receiving plate and a second oil receiving plate, and the first oil receiving plate and the second oil receiving plate are arranged at an upper and lower interval;

[0011] The first oil receiving plate is provided with an oil leakage hole, and the second oil receiving plate is provided with the opening and the blocking member.

[0012] Furthermore, the end face connecting flange is provided with a plurality of longitudinal reinforcing ribs located in the give way groove, each of the longitudinal reinforcing ribs extends from the top of the end face connecting flange to the bottom of the give way groove, and the oil leakage holes are provided on both sides of the middle longitudinal reinforcing rib.

[0013] Furthermore, the end face connecting flange is provided with a plurality of transverse reinforcing ribs located in the clearance groove, and the plurality of transverse reinforcing ribs and the plurality of longitudinal reinforcing ribs are cross-arranged to divide the clearance groove into a plurality of grooves.

[0014] Furthermore, a downwardly recessed oil receiving groove is formed on the second oil receiving plate, the oil leakage hole is located above the oil receiving groove, and the opening is provided on the bottom wall of the oil receiving groove.

[0015] A reinforcing column is provided in the oil storage tank of the oil sump body, the reinforcing column is formed by protruding from the inner wall of the oil storage tank into the oil storage tank, and the reinforcing column extends from the top of the oil storage tank to the bottom of the oil storage tank; and / or,

[0016] A plurality of reinforcing plates are arranged in the oil storage tank, the reinforcing plates are connected between the side wall and the bottom wall of the oil storage tank, and reinforcing ribs are arranged on the reinforcing plates, and the reinforcing ribs extend from the upper part of the reinforcing plates to the lower part of the reinforcing plates.

[0017] Furthermore, a rear suspension mounting portion is provided on the end surface connecting flange, and the rear suspension mounting portion is used to be connected to the rear suspension of the vehicle.

[0018] Furthermore, the rear suspension mounting portion is an outer protrusion arranged on one side of the end face connecting flange, and a mounting hole is provided on the outer protrusion. The axial direction of the mounting hole is parallel to the axial direction of the crankshaft mounting hole on the engine, and the mounting hole is used to insert the rubber main spring of the rear suspension. The outer protrusion constitutes the outer tube of the rear suspension.

[0019] Furthermore, a reinforcement structure is provided between the end face connecting flange and the outer protrusion, a weight-reducing portion is provided on the reinforcement structure, a cross-section of the weight-reducing portion is polygonal, and any two adjacent inner walls of the weight-reducing portion are connected by a smooth transition.

[0020] Furthermore, one side of the end surface connection flange is provided with an outer protrusion, and the outer protrusions are arranged at intervals, and the rear suspension mounting portion includes a connector mounting hole provided on each of the outer protrusions;

[0021] The two connector mounting holes are coaxially arranged, and the axial direction of each connector mounting hole is parallel to the axial direction of the crankshaft mounting hole on the engine. Each connector mounting hole is used for inserting and mounting the connector of the rear suspension.

[0022] Compared with the prior art, the utility model has the following advantages:

[0023] The engine oil pan described in the utility model is provided with a give way groove, which makes it convenient for the oil leaked from the crankshaft oil seal of the engine to leak to the oil receiving part. Since the sealing member is provided, the oil will not leak and pollute the environment. When it is necessary to detect whether the crankshaft oil seal is leaking, the sealing member is removed, and it can be observed through the opening whether the crankshaft oil seal is leaking. If the crankshaft oil seal is leaking, the oil can also leak from the opening, which is convenient for maintenance. After the engine provided with the engine oil pan is integrated with the motor, it is convenient to regularly check whether the crankshaft oil seal is leaking. Therefore, when the crankshaft oil seal is leaking, it can be discovered in time, which can effectively prevent the abnormal operation of the motor caused by long-term accumulation of oil, and is conducive to ensuring the safe and reliable operation of the motor.

[0024] In addition, a groove is provided to separate the oil receiving portion into a first oil receiving plate and a second oil receiving plate. Oil leaked from the crankshaft oil seal can leak into the groove from the oil leakage hole on the first oil receiving plate. The oil in the groove is not easy to enter the motor, thereby ensuring the safe and reliable operation of the motor.

[0025] In addition, the longitudinal reinforcement ribs are provided to ensure the structural strength of the connecting flange, and the two oil leakage holes are provided to facilitate the oil to leak into the groove. The transverse reinforcement ribs are provided to cooperate with the longitudinal reinforcement ribs to form multiple grooves, which can better improve the structural strength of the end surface connecting flange. The oil receiving groove is provided on the second oil receiving plate to receive the oil leaking from the oil leakage hole and facilitate the oil to leak out from the opening.

[0026] As for setting the rear suspension mounting part on the end surface connection flange, compared with the existing technical solution of setting the suspension bracket mounting point, it is convenient to directly install the rear suspension. Setting the rear suspension mounting part as an outer protrusion with a mounting hole can save the rear suspension bracket and the outer tube of the rear suspension, with high integration, simple overall structure, and convenient rear suspension assembly. Setting the rear suspension mounting part as a connector mounting hole can also save the rear suspension bracket, and also has the effect of high integration and simple overall structure.

[0027] The reinforced structure can effectively strengthen the structural strength between the end face connecting flange and the outer protrusion. At the same time, the weight-reducing part is arranged on the reinforced structure, which has a good weight-reducing effect and can save materials. The smooth transition connection between any two adjacent inner walls of the weight-reducing part can make the reinforced part bear force evenly and stably, and can effectively prevent stress concentration.

[0028] Another object of the present invention is to provide a vehicle, wherein the engine of the vehicle is provided with the engine oil pan as described above.

[0029] The vehicle described in the utility model, by applying the above-mentioned engine oil pan, oil will not leak out to pollute the environment, and it is convenient to regularly check whether the crankshaft oil seal is leaking. When the engine and motor integrated architecture is applied, it is beneficial to ensure the safe and reliable operation of the motor. BRIEF DESCRIPTION OF THE DRAWINGS

[0030] The accompanying drawings constituting a part of the present invention are used to provide a further understanding of the present invention. The illustrative embodiments of the present invention and their descriptions are used to explain the present invention and do not constitute an improper limitation on the present invention. In the accompanying drawings:

[0031] Figure 1 It is a structural schematic diagram of the assembly of the engine oil pan and the rear suspension according to the first embodiment of the utility model;

[0032] Figure 2 for Figure 1 Schematic diagram of the structure from another perspective;

[0033] Figure 3 for Figure 2 A magnified view of part A in FIG.

[0034] Figure 4 This is a schematic structural diagram of an engine oil pan according to Embodiment 1 of the present utility model;

[0035] Figure 5 This is a schematic structural diagram of an engine oil pan according to a second embodiment of the present utility model;

[0036] Figure 6 for Figure 1 Schematic diagram of the structure from another perspective.

[0037] Description of reference numerals:

[0038] 1. Oil pan body; 101. End face connection flange; 1011. Handpiece connection part; 1012. Oil receiving part; 10121. First oil receiving plate; 10122. Second oil receiving plate; 10123. Groove; 10124. Opening; 10125. Oil leakage hole; 10126. Oil receiving groove; 102. Make way groove; 103. Longitudinal reinforcement rib; 104. Transverse reinforcement rib; 105. Outer convex part; 1051. Mounting hole; 1052. Connector mounting hole; 1053. Outer convex reinforcement rib; 1054. Strengthening structure; 1055. Weight reduction part; 106. Oil drain hole; 107. Top face connection flange; 1071. Cylinder body connection hole; 108. Oil storage tank; 109. Reinforcement column; 110. Reinforcement plate; 111. Reinforcement rib;

[0039] 2. Rear suspension;

[0040] 3. Sealing parts. DETAILED DESCRIPTION

[0041] It should be noted that, in the absence of conflict, the embodiments of the present invention and the features in the embodiments can be combined with each other.

[0042] In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "back" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific position, be constructed and operated in a specific position, and therefore cannot be understood as limiting the present invention. In addition, the terms "first" and "second" are only used for descriptive purposes and cannot be understood as indicating or implying relative importance.

[0043] In addition, in the description of the present invention, unless otherwise clearly defined, the terms "installation", "connection", "connection", and "connector" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be an indirect connection through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood in combination with specific circumstances.

[0044] The present invention will be described in detail below with reference to the accompanying drawings and in combination with embodiments.

[0045] Embodiment 1

[0046] The present embodiment relates to an engine oil pan, which is convenient for observing whether the crankshaft oil seal of the engine is leaking oil. The oil pan is applied to a system in which an engine and a motor are integrated, and helps to ensure the safe and reliable operation of the motor.

[0047] Based on the above design concept, an exemplary structure of the engine oil pan of this embodiment is as follows: Figures 1 to 3 As shown, the engine oil pan of this embodiment includes an oil pan body 1 and a sealing member 3, wherein the sealing member 3 is installed in an opening 10124 on the oil pan body 1, and the opening 10124 is convenient for observing whether the crankshaft oil seal of the engine is leaking oil.

[0048] like Figure 1 and Figure 2 As shown, one end of the oil pan body 1 is provided with an end surface connection flange 101, and the end surface connection flange 101 is used to connect with a counterpart, and here, the counterpart may be, for example, a motor housing of a motor, and in addition, the counterpart may also be, for example, a transmission. An oil storage tank is provided in the oil pan body 1 to facilitate the storage of lubricating oil in the engine, and a top surface connection flange 107 is provided on the top of the oil pan body 1, and the top surface connection flange 107 is used to connect with the engine cylinder block of the engine.

[0049] In this embodiment, a clearance groove 102 is provided on the upper part of the end face connecting flange 101, and an oil receiving portion 1012 is provided on the bottom of the end face connecting flange 101, wherein the clearance groove 102 is used to make way for the oil leaked from the crankshaft oil seal of the engine, and the oil receiving portion 1012 is used to receive the oil leaked from the clearance groove 102, and an opening 10124 is provided on the oil receiving portion 1012, and the sealing member 3 is sealed at the opening 10124, and the sealing member 3 is detachably connected to the end face connecting flange 101.

[0050] In a preferred embodiment, Figure 2 As shown, the end face connecting flange 101 is arc-shaped, and a counterpart connecting portion 1011 is provided on the end face connecting flange 101. The counterpart connecting portion 1011 is specifically a counterpart connecting hole provided on the end face connecting flange 101. When the engine oil pan and the counterpart are connected, they can be connected to the counterpart through a connecting piece passing through the counterpart connecting hole. It should be understood that it is feasible to set threaded holes and smooth holes on the counterpart.

[0051] In this embodiment, the number of the connecting holes of the hand piece is five. It should be understood that it is also feasible to set the number of the connecting holes of the hand piece to other values, such as four, six, etc., so as to firmly connect the engine oil pan and the hand piece.

[0052] The top surface connection flange 107 is roughly square, which is convenient for connection with the engine cylinder block of the engine, specifically with the lower cylinder block. The top surface connection flange 107 is provided with a cylinder block connection part, which is specifically a cylinder block connection hole 1071 provided on the top surface connection flange 107. There are multiple cylinder block connection holes 1071, which are arranged at intervals in the circumferential direction of the top surface connection flange 107. The engine oil pan can be connected to the lower cylinder block by a connection member such as a bolt passing through each cylinder block connection hole 1071. It should be noted here that the number of cylinder block connection holes 1071 is not specifically limited in this embodiment, and the number can be adjusted as needed to firmly connect the lower cylinder block and the engine oil pan.

[0053] As a preferred embodiment, Figure 3 As shown, a groove 10123 is provided on the oil receiving portion 1012, and the groove 10123 separates the oil receiving portion 1012 into a first oil receiving plate 10121 and a second oil receiving plate 10122, and the first oil receiving plate 10121 and the second oil receiving plate 10122 are arranged in an upper and lower spacing.

[0054] In this embodiment, an opening is provided on one side of the groove 10123, and the opening is located on the end face of the end face connecting flange 101 facing the counterpart, an oil leakage hole 10125 is provided on the first oil receiving plate 10121, and an opening 10124 and a sealing member 3 are provided on the second oil receiving plate 10122.

[0055] As shown in the above structure, a groove 10123 is provided on the oil receiving portion 1012, so that the oil receiving portion 1012 is divided into a first oil receiving plate 10121 and a second oil receiving plate 10122. The oil leaked from the crankshaft oil seal can leak from the oil leakage hole 10125 on the first oil receiving plate 10121 into the groove 10123. The oil in the groove 10123 is not easy to enter the motor, thereby ensuring the safe and reliable operation of the motor.

[0056] As a preferred embodiment, longitudinal reinforcing ribs 103 are provided on the end face connecting flange 101. The longitudinal reinforcing ribs 103 are multiple and located in the make way groove 102. Each longitudinal reinforcing rib 103 extends from the top of the end face connecting flange 101 to the bottom of the make way groove 102, so as to better strengthen the structural strength of the end face connecting flange 101. When arranged on the vehicle, the longitudinal reinforcing ribs 103 are arranged vertically. In addition to the longitudinal reinforcing ribs 103, the end face connecting flange 101 is also provided with transverse reinforcing ribs 104. The transverse reinforcing ribs 104 are multiple and arranged horizontally. The transverse reinforcing ribs 104 and the longitudinal reinforcing ribs 103 are arranged crosswise, and the make way groove 102 is divided into multiple grooves, so as to better strengthen the connection structural strength of the end face connecting flange 101.

[0057] In a preferred embodiment, oil leakage holes 10125 are provided on both sides of the middle longitudinal reinforcement rib 103. For example, in the present embodiment, there are two oil leakage holes 10125, which are respectively disposed on both sides of the middle longitudinal reinforcement rib 103, so that the oil on both sides of the middle longitudinal reinforcement rib 103 can leak into the groove 10123 through the oil leakage holes 10125 on both sides.

[0058] It should be noted here that the longitudinal reinforcing ribs 103 and transverse reinforcing ribs 104 should be able to better strengthen the structural strength of the end face connecting flange 101 without affecting the oil leaking from the crankshaft oil seal of the engine flowing downward to the oil receiving portion 1012.

[0059] As a preferred embodiment, Figure 1 , Figure 2 , Figure 4 and Figure 5 As shown, a reinforcing column 109 is provided in the oil storage tank 108 of the oil pan body 1. The reinforcing column 109 is formed by protruding from the inner wall of the oil storage tank 108 into the oil storage tank 108. The reinforcing column 109 extends from the top of the oil storage tank 108 to the bottom of the oil storage tank 108 to better strengthen the structural strength of the oil pan body 1.

[0060] As a preferred embodiment, still refer to Figure 1 , Figure 2 , Figure 4 and Figure 5As shown, a reinforcing plate 110 is provided in the oil storage tank 108, and the reinforcing plate 110 is connected between the side wall and the bottom wall of the oil storage tank 108. A reinforcing rib 111 is provided on the reinforcing plate 110, and the reinforcing rib 111 extends from the upper part of the reinforcing plate 110 to the lower part of the reinforcing plate 110, so as to better strengthen the structural strength of the oil pan body 1.

[0061] As a preferred embodiment, a downwardly recessed oil receiving groove 10126 is formed on the second oil receiving plate 10122 , the oil leakage hole 10125 is located above the oil receiving groove 10126 , and the opening 10124 is provided on the bottom wall of the oil receiving groove 10126 .

[0062] As in this embodiment, the oil receiving groove 10126 is recessed downward relative to the rest of the lower side wall of the groove 10123, and the aforementioned opening 10124 is provided at the bottom of the oil receiving groove 10126, so that the oil can leak out from the opening 10124. In this structure, the oil receiving groove 10126 is provided on the second oil receiving plate 10122, so as to receive the oil leaking from the oil leakage hole 10125 and facilitate the oil to leak out from the opening 10124.

[0063] As a preferred embodiment, the aforementioned opening 10124 is a threaded hole, and the aforementioned blocking member 3 is a bolt screwed into the threaded hole. Here, the opening 10124 is set as a threaded hole, and the blocking member 3 is set as a bolt, which is convenient for connection, and the bolt can use existing standard parts, which is relatively low in cost.

[0064] In a preferred embodiment, a sealing gasket is provided between the bolt and the second oil receiving plate 10122 to seal the gap therebetween. The sealing gasket provided here can better prevent oil from leaking from the opening 10124 when oil leaks from the crankshaft oil seal, thereby better preventing environmental pollution.

[0065] It should be understood that, in addition to the threaded connection to achieve the detachable connection between the blocking member 3 and the connecting flange, other detachable connection methods are also feasible, such as snap-on connection and plug-in connection.

[0066] As a preferred embodiment, Figure 2 and Figure 4 As shown, a rear suspension mounting portion is provided on the end surface connection flange 101, and the rear suspension mounting portion is used to be connected to the rear suspension 2 of the vehicle, and the rear suspension 2 is connected to the vehicle frame. Compared with the existing structure of providing a suspension bracket mounting portion, the rear suspension mounting portion is provided on the end surface connection flange 101, which has a high degree of integration, fewer parts, and is convenient for installing the rear suspension 2.

[0067] As a preferred embodiment, the rear suspension mounting part is an outer protrusion 105 provided on one side of the end surface connection flange 101, and a mounting hole 1051 is provided on the outer protrusion 105. The axial direction of the mounting hole 1051 is parallel to the axial direction of the crankshaft mounting hole on the engine. The mounting hole 1051 is used to insert the rubber main spring of the rear suspension 2, and the outer protrusion constitutes the outer tube of the rear suspension 2. Here, the rear suspension mounting part is set as the outer protrusion 105 with the mounting hole 1051, and the rear suspension bracket and the outer tube of the rear suspension 2 can be omitted, which has high integration, simple overall structure, and convenient assembly of the rear suspension 2.

[0068] In a preferred embodiment, Figure 4 As shown, the outer shape of the outer protrusion 105 is approximately cylindrical, and an outer protrusion reinforcement rib 1053 is provided on the outer peripheral surface of the outer protrusion 105. The outer protrusion reinforcement rib 1053 is arranged circumferentially around the mounting hole 1051 to better enhance the structural strength of the rear suspension mounting portion.

[0069] As a preferred embodiment, a reinforcing structure 1054 is provided between the end face connecting flange 101 and the outer protrusion 105, which can effectively strengthen the structural strength between the end face connecting flange 101 and the outer protrusion 105. In a preferred embodiment, a weight reduction portion 1055 is provided on the reinforcing structure 1054, which has a good weight reduction effect and can effectively save materials.

[0070] In a preferred embodiment, the weight-reducing portion 1055 is, for example, a weight-reducing groove. It should be understood that the weight-reducing portion 1055 can be a weight-reducing hole in addition to a weight-reducing groove. Preferably, the cross section of the weight-reducing portion 1055 is polygonal, and any two adjacent inner walls of the weight-reducing portion 1055 are smoothly connected, so that the reinforcement portion can be evenly and stably stressed and stress concentration can be effectively prevented.

[0071] In this embodiment, the cross section of the weight-reducing portion 1055 is approximately triangular, and any two adjacent side walls are smoothly connected. The inclination angle of each side wall of the weight-reducing portion 1055 changes accordingly with the shape of the surrounding parts, ensuring that the wall thickness of each side wall portion around the weight-reducing hole is uniform, so as to ensure the structural strength while having a good weight-reducing effect and better preventing stress concentration. Finally, it should be supplemented that Figure 6 As shown, an oil drain hole 106 is provided on one side of the oil pan body 1, and the oil drain hole 106 is connected to the oil storage tank in the oil pan body 1. An oil plug is detachably installed at the oil drain hole 106. By opening the oil plug, the lubricating oil in the oil pan body 1 can be easily replaced. An oil dipstick (not shown in the figure) is also installed in the oil pan body 1, and the installation method of the oil dipstick can refer to the existing structure.

[0072] The engine oil pan of the utility model is provided with a clearance groove 102, so that the oil leaked from the crankshaft oil seal of the engine can be easily leaked to the oil receiving portion 1012. Since the sealing member 3 is provided, the oil will not leak out and pollute the environment. When it is necessary to detect whether the crankshaft oil seal is leaking, the sealing member 3 is removed and the crankshaft oil seal can be observed through the opening 10124 to see whether it is leaking.

[0073] If the crankshaft oil seal leaks, the oil can also leak out from the opening 10124, which is convenient for maintenance. After the engine equipped with the engine oil pan is integrated with the motor, it is convenient to regularly check whether the crankshaft oil seal is leaking oil. Therefore, when the crankshaft oil seal leaks oil, it can be discovered in time, which can effectively prevent the motor from working abnormally due to long-term accumulation of oil, and is conducive to ensuring the safe and reliable operation of the motor.

[0074] Embodiment 2

[0075] This embodiment relates to an engine oil pan, which has substantially the same structure as the engine oil pan of the first embodiment, and the difference lies in the structure of the rear suspension mounting portion.

[0076] like Figure 5 As shown, in this embodiment, an outer protrusion 105 is provided on one side of the end face connecting flange 101, and there are two outer protrusions 105 arranged at a distance from each other. The rear suspension mounting portion includes a connector mounting hole 1052 provided on each outer protrusion 105, and the two connector mounting holes 1052 are coaxially arranged. The axial direction of each connector mounting hole 1052 is parallel to the axial direction of the crankshaft mounting hole on the engine cylinder block, and each connector mounting hole 1052 is used for inserting and installing the connector of the rear suspension 2.

[0077] In this embodiment, the connector for mounting the rear suspension 2 may be a bolt, for example, which may be inserted into the rear suspension 2 and simultaneously pass through the two connector mounting holes 1052, so that the rear suspension 2 may be mounted on the engine oil pan. In the above structure, the rear suspension mounting portion is set as the connector mounting hole 1052, and the rear suspension bracket may be omitted, which also has the effect of high integration and simple overall structure.

[0078] Embodiment 3

[0079] This embodiment relates to a vehicle, which is provided with an engine oil pan as in Embodiment 1 or Embodiment 2. The vehicle of this embodiment, by applying the above engine oil pan, has the same beneficial effects as the above engine oil pan relative to the prior art, which will not be described in detail here.

[0080] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. An engine oil pan, characterized in that: It comprises an oil pan body (1) and a sealing member (3); One end of the oil pan body (1) is provided with an end surface connection flange (101), and the end surface connection flange (101) is used to connect with a counterpart; The upper part of the end surface connecting flange (101) is provided with a clearance groove (102), and the bottom of the end surface connecting flange (101) is provided with an oil receiving portion (1012), the clearance groove (102) is used to make way for the oil leaked from the crankshaft oil seal of the engine, and the oil receiving portion (1012) is used to receive the oil leaked from the clearance groove (102); The oil receiving portion (1012) is provided with an opening (10124), the blocking member (3) is detachably connected to the end surface connecting flange (101), and the blocking member (3) blocks the opening (10124).

2. The engine oil sump according to claim 1, characterized in that: The oil receiving portion (1012) is provided with a groove (10123), and the groove (10123) divides the oil receiving portion (1012) into a first oil receiving plate (10121) and a second oil receiving plate (10122), and the first oil receiving plate (10121) and the second oil receiving plate (10122) are arranged at a vertical interval; The first oil receiving plate (10121) is provided with an oil leakage hole (10125), and the second oil receiving plate (10122) is provided with the opening (10124) and the blocking member (3).

3. The engine oil sump according to claim 2, characterized in that: The end face connecting flange (101) is provided with a plurality of longitudinal reinforcing ribs (103) located in the clearance groove (102), each of the longitudinal reinforcing ribs (103) extends from the top of the end face connecting flange (101) to the bottom of the clearance groove (102), and the oil leakage holes (10125) are provided on both sides of the middle longitudinal reinforcing rib (103).

4. The engine oil sump according to claim 3, characterized in that: The end surface connection flange (101) is provided with a plurality of transverse reinforcing ribs (104) located in the clearance groove (102); the plurality of transverse reinforcing ribs (104) and the plurality of longitudinal reinforcing ribs (103) are cross-arranged to divide the clearance groove (102) into a plurality of grooves.

5. The engine oil sump according to claim 2, characterized in that: The second oil receiving plate (10122) is formed with a downwardly recessed oil receiving groove (10126), the oil leakage hole (10125) is located above the oil receiving groove (10126), and the opening (10124) is provided on the bottom wall of the oil receiving groove (10126).

6. The engine oil sump according to claim 1, characterized in that: A reinforcing column (109) is provided in the oil storage tank (108) of the oil sump body (1), wherein the reinforcing column (109) is formed by protruding from the inner wall of the oil storage tank (108) into the oil storage tank (108), and the reinforcing column (109) extends from the top of the oil storage tank (108) to the bottom of the oil storage tank (108); and / or, A reinforcing plate (110) is provided in the oil storage tank (108), the reinforcing plate (110) is connected between the side wall and the bottom wall of the oil storage tank (108), and a reinforcing rib (111) is provided on the reinforcing plate (110), and the reinforcing rib (111) extends from the upper part of the reinforcing plate (110) to the lower part of the reinforcing plate (110).

7. The engine oil sump according to any one of claims 1 to 5, characterized in that: The end surface connection flange (101) is provided with a rear suspension mounting portion, and the rear suspension mounting portion is used to be connected to the rear suspension (2) of the vehicle.

8. The engine oil sump according to claim 7, characterized in that: The rear suspension mounting portion is an outer protrusion (105) arranged on one side of the end surface connecting flange (101), and a mounting hole (1051) is provided on the outer protrusion (105). The axial direction of the mounting hole (1051) is parallel to the axial direction of the crankshaft mounting hole on the engine. The mounting hole (1051) is used to insert the rubber main spring of the rear suspension (2), and the outer protrusion (105) constitutes the outer tube of the rear suspension (2).

9. The engine oil sump according to claim 8, characterized in that: A reinforcing structure (1054) is provided between the end face connecting flange (101) and the outer protrusion (105), and a weight-reducing portion (1055) is provided on the reinforcing structure (1054). The cross section of the weight-reducing portion (1055) is polygonal, and any two adjacent inner walls of the weight-reducing portion (1055) are smoothly transitionally connected.

10. The engine oil sump according to claim 7, characterized in that: An outer convex portion (105) is provided on one side of the end surface connection flange (101), and the outer convex portions (105) are two arranged at a distance from each other, and the rear suspension mounting portion includes a connecting member mounting hole (1052) provided on each of the outer convex portions (105); The two connecting member mounting holes (1052) are coaxially arranged, and the axial direction of each connecting member mounting hole (1052) is parallel to the axial direction of the crankshaft mounting hole on the engine. Each connecting member mounting hole (1052) is used for inserting and mounting the connecting member of the rear suspension (2).