Oil pan sealing structure
By designing a non-planar sealing surface and an oil-resistant rubber gasket combined with a support buffer in the oil pan sealing structure, the problems of insufficient sealing area and elasticity failure are solved, thereby improving the sealing effect and long-term effectiveness.
Patent Information
- Application Number
- CN202520092154.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-15
- Publication Date
- 2025-11-28
- Estimated Expiration
- 2035-01-15
AI Technical Summary
The existing oil pan sealing structure has a reduced sealing effect after long-term use, the sealing area can only be increased in a limited way, the elasticity of the sealing gasket is prone to failure, and the long-term sealing effectiveness cannot be guaranteed.
The design incorporates a first sealing groove and a second sealing groove to form a non-planar sealing surface, and uses an oil-resistant rubber gasket and support. The support has a buffer section to increase the sealing area and support strength.
It significantly improves the sealing area and sealing strength, ensuring the long-term effectiveness of the oil pan seal and enhancing the durability and reliability of the seal.
Smart Images

Figure CN223609287U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to oil pan sealing technical field more specifically, relate to an oil pan sealing structure. BACKGROUND
[0002] The oil pan combined metal sealing gasket structure generally has similar framework structure - the peripheral metal fixed support and the inner peripheral rubber sealing structure, and ideal sealing effect can be realized for most sealing areas, but in order to improve the sealing effect, the sealing area is increased, and the sealing gasket may be invalid after being extruded for a long time, thereby unable to guarantee the long-term sealing effectiveness of the oil pan sealing place.
[0003] For example, the sealing gasket and oil pan sealing structure disclosed in the publication No. CN211598852U, the sealing gasket of the utility model comprises a gasket body and an enlarged sealing surface, the gasket body is provided with an enlarged sealing surface corresponding to the T-shaped sealing area, the enlarged sealing surface is a net structure, a plurality of gaps are formed in the net structure, and a colloid is arranged in the gap.
[0004] From the above-mentioned disclosure, the sealing gasket body and the enlarged sealing surface cannot increase the oil pan sealing surface in a large range, thereby reducing the sealing effect, and the sealing gasket body and the enlarged sealing surface may weaken the elasticity after being extruded for a long time, and even the elasticity may be invalid, thereby unable to guarantee the long-term sealing effectiveness of the oil pan sealing place. UTILITY MODEL CONTENTS
[0005] In view of the problems in the prior art, the utility model aims to provide an oil pan sealing structure, which can increase the sealing area in a large range by the first sealing groove and the second sealing groove, greatly improve the sealing effect, and the sealing gasket ring and the supporting piece can not only protrude the sealing surface to ensure the sealing strength, but also the buffer part of the supporting piece can ensure the supporting strength of the sealing gasket ring, thereby guaranteeing the long-term sealing effectiveness of the oil pan sealing place.
[0006] To solve the above-mentioned problems, the utility model adopts the following technical scheme.
[0007] The utility model provides an oil sump sealing structure, including the oil sump body, the surface of oil sump body is provided with sealing face, the surface of sealing face is provided with first sealing groove, the bottom of first sealing groove is provided with second sealing groove, the bottom of second sealing groove is provided with the clamping groove, the clamping groove is connected with sealing washer, one surface of sealing washer is provided with extrusion surface, the other surface of sealing washer is equipped with the clamping block, and the inside fixed compound of sealing washer is equipped with support, and the middle of support is provided with buffer part, the oil sump sealing structure, by the first sealing groove and second sealing groove of setting, make the sealing face of oil sump be non - plane, can greatly increase the sealing area in a wide range, greatly improve the sealing effect, and by the sealing washer and support of setting, not only can the sealing strength of convex sealing face be guaranteed, and the support strength of buffer part of support can be guaranteed, and the long - term sealing effectiveness of oil sump sealing place is guaranteed further.
[0008] Further, the side of the sealing washer is provided with a clamping groove, the inner wall of the clamping groove is in contact with the inner wall of the second sealing groove, the cross-sectional shape of the sealing washer is an I-shaped, and the sealing washer is made of oil-resistant rubber, so that the sealing washer can be quickly assembled and protrude from the sealing surface of the oil sump body.
[0009] Further, one surface of the support is provided with an upper supporting surface, the upper supporting surface is close to one side of the extrusion surface, the width dimension of the upper supporting surface is less than the width dimension of the extrusion surface, and the extrusion surface is supported by the upper supporting surface to ensure the elastic strength of the extrusion surface.
[0010] Further, one surface of the support is provided with a lower supporting surface, the lower supporting surface is close to one side of the bottom of the clamping block, the width dimension of the lower supporting surface is greater than the width dimension of the upper supporting surface, and the lower supporting surface ensures the supporting strength of the bottom of the clamping block.
[0011] Further, the cross-sectional shape of the support is an I-shaped, left and right recesses are formed on the two sides of the support respectively, and the left and right recesses can increase the connecting area of the support and the sealing washer to ensure the bonding strength.
[0012] Further, the surface of the clamping block is in contact with the inner wall of the clamping groove, and the clamping block is integrally formed with the sealing washer to ensure the overall sealing performance of the sealing washer.
[0013] Further, the buffer part is in a corrugated shape and hollow, so that the support has the function of compression elasticity when being extruded.
[0014] Compared with the prior art, the utility model has the advantages that:
[0015] (1) The first sealing groove and the second sealing groove are arranged, so that the oil pan sealing surface is non-planar, the sealing area can be greatly increased, and the sealing effect is greatly improved.
[0016] (2) The sealing gasket and the support are arranged, so that the convex sealing surface can guarantee the sealing strength, the buffer part of the support can guarantee the supporting strength of the sealing gasket, and the long-term sealing effectiveness of the oil pan sealing part is guaranteed. BRIEF DESCRIPTION OF DRAWINGS
[0017] Figure 1 It is a whole structure perspective view of the utility model;
[0018] Figure 2 It is Figure 1 the oil pan body structure perspective view;
[0019] Figure 3 It is Figure 2 the oil pan body sectional view;
[0020] Figure 4 It is Figure 1 the sealing gasket sectional view;
[0021] Figure 5 It is Figure 4 the support and sealing gasket structure side view.
[0022] Mark explanation in drawing:
[0023] 1 oil pan body, 11 sealing surface, 12 first sealing groove, 13 second sealing groove, 14 clamping groove, 2 sealing gasket, 21 extrusion surface, 22 clamping groove, 23 clamping block, 3 support, 31 upper support surface, 32 lower support surface, 33 left recess, 34 right recess, 35 buffer part. DETAILED DESCRIPTION
[0024] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.
[0025] Embodiment 1: please refer to Figures 1-5The utility model provides an oil sump sealing structure, including oil sump body 1, oil sump body 1 is metal spare, its specific component structure and component, belong to the person skilled in the art is familiar with, here do not carry out detailed description, the surface of oil sump body 1 is provided with sealing surface 11, sealing surface 11 is used to combine sealing with the connecting component of oil sump, and then through sealing washer 2 and sealing groove to guarantee the sealing performance of sealing place, the surface of sealing surface 11 is provided with first sealing groove 12, the bottom of first sealing groove 12 is provided with second sealing groove 13, the bottom of second sealing groove 13 is provided with the clamping groove 14, and the clamping groove 14 is clamped with sealing washer 2, sealing washer 2 is the sealing component of oil sump, and after the installation of oil sump and component, extrudes sealing washer 2, and then guarantees the sealing property of closure, one surface of sealing washer 2 is provided with extrusion surface 21, and the other surface of sealing washer 2 is provided with the clamping block 23, the surface of clamping block 23 is in contact extrusion with the inner wall of clamping groove 14, and clamping block 23 is integrally formed with sealing washer 2, guarantee the overall sealing performance of sealing washer 2, and the inside of sealing washer 2 is fixed with support 3, and support 3 is used to increase the support strength of sealing washer 2, and the middle of support 3 is provided with buffer portion 35, and the shape of buffer portion 35 is corrugated, and the inside is hollow, so that support 3 has the function of compression elasticity when being extruded.
[0026] The side of sealing washer 2 is provided with clamping groove 14, the inner wall of clamping groove 14 is in contact extrusion with the inner wall of second sealing groove 13, the cross section shape of sealing washer 2 is I-shaped, sealing washer 2 is made of oil-resistant rubber, is convenient for the quick assembly of sealing washer 2, simultaneously makes sealing washer 2 protrude the sealing surface of oil sump body 1, one surface of support 3 is provided with upper support surface 31, and upper support surface 31 is close to the side of extrusion surface 21, and the width size of upper support surface 31 is less than the width size of extrusion surface 21, and extrusion surface 21 is supported by upper support surface 31, guarantees the elastic strength of extrusion surface 21.
[0027] One surface of support 3 is provided with lower support surface 32, and lower support surface 32 is close to the bottom side of clamping block 23, and the width size of lower support surface 32 is greater than the width size of upper support surface 31, and the width size of lower support surface 32 is same, and lower support surface 32 guarantees the support strength of the bottom of clamping block 23, and the cross section shape of support 3 is I-shaped, and left recess 33 and right recess 34 are formed on the two sides of support 3 respectively, and left recess 33 and right recess 34 can increase the connecting area of sealing washer 2, and guarantee the combination strength of both.
[0028] When the oil pan is combined with the corresponding assembly, the extrusion surface 21 of the sealing washer 2 is in contact with the surface of the assembly and is extruded, which causes the sealing washer 2 to deform, and then the deformed sealing washer 2 extrudes the first sealing groove 12, the second sealing groove 13 and the clamping groove 14 to ensure the sealing property of the sealing part of the oil pan body 1. At the same time, the extrusion of the extrusion surface 21 causes the support 3 to be extruded, which causes the buffer part 35 to be compressed and deformed, thereby generating compression elastic force. The elastic force causes the sealing washer 2 to be extruded with the sealing groove of the oil pan body 1 and the surface of the assembly at all times. The first sealing groove 12 and the second sealing groove 13 increase the sealing area in a large range and greatly improve the sealing effect. The sealing washer 2 and the support 3 not only protrude the sealing surface 11 to ensure the sealing strength, but also ensure the supporting strength of the sealing washer 2 through the buffer part 35 of the support 3, thereby ensuring the long-term sealing effectiveness of the sealing part of the oil pan.
[0029] The above merely describes a preferred embodiment of the present application; however, the protection scope of the present application is not limited to this. Any person skilled in the art, according to the technical scheme and the improvement concept of the present application, can make equivalent replacement or change within the technical range disclosed by the present application, which should be covered in the protection scope of the present application.
Claims
1. An oil pan seal structure comprising an oil pan body (1), a surface of the oil pan body (1) being provided with a seal face (11), characterized by: The surface of the sealing surface (11) is provided with a first sealing groove (12), the bottom of the first sealing groove (12) is provided with a second sealing groove (13), the bottom of the second sealing groove (13) is provided with a clamping groove (14), the clamping groove (14) is clamped with a sealing washer (2), one surface of the sealing washer (2) is provided with an extrusion surface (21), the other surface of the sealing washer (2) is provided with a clamping block (23), the inside of the sealing washer (2) is fixedly combined with a support (3), and the middle of the support (3) is provided with a buffer portion (35).
2. An oil pan seal structure according to claim 1, characterized by: The side surface of the sealing washer (2) is provided with a clamping groove (14), the inner wall of the clamping groove (14) is in contact with the inner wall of the second sealing groove (13) and is extruded, the cross-sectional shape of the sealing washer (2) is an I-shaped type, and the sealing washer (2) is made of oil-resistant rubber.
3. An oil pan seal structure according to claim 1, characterized by: One surface of the support (3) is provided with an upper support surface (31), the upper support surface (31) is close to one side of the extrusion surface (21), and the width size of the upper support surface (31) is smaller than that of the extrusion surface (21).
4. An oil pan seal structure according to claim 3, characterized by: One surface of the support (3) is provided with a lower support surface (32), the lower support surface (32) is close to one side of the bottom of the clamping block (23), and the width size of the lower support surface (32) is greater than that of the upper support surface (31).
5. An oil pan seal structure according to claim 1, characterized by: The cross-sectional shape of the support (3) is an I-shaped type, and left and right recesses (33) and (34) are formed on the two sides of the support (3), respectively.
6. An oil pan seal structure according to claim 1, characterized by: The surface of the clamping block (23) is in contact with the inner wall of the clamping groove (14) and is extruded, and the clamping block (23) is integrally formed with the sealing washer (2).
7. An oil pan seal structure according to claim 1, characterized by: The shape of the buffer portion (35) is a corrugated shape, and the inside is hollow.
Citation Information
Patent Citations
Sealing gasket and oil pan sealing structure
CN211598852U