Automobile oil pan sealing gasket

Abstract

The utility model discloses a sealing gasket for an automobile oil pan. The sealing gasket comprises an elastic sealing gasket body, a mounting through groove, a protective ring groove, an elastic steel ring sheath, an upper shaping ring groove, an upper elastic steel ring, a lower shaping ring groove, a lower elastic steel ring, a bolt hole and an elastic reducing inner sealing ring. According to the sealing gasket, the outer side face of the sealing gasket can be shaped and protected through the external elastic steel ring protective sleeve, the upper side face and the lower side face of the sealing gasket are shaped and protected through the embedded upper elastic steel ring matched with the lower elastic steel ring, and the deformation resistance of the sealing gasket is comprehensively improved; and meanwhile, the elastic reducing inner sealing ring is matched with a mounting bolt to perform sealing protection on a bolt hole, and the lasting sealing performance of the sealing gasket is effectively improved.

Description

[Technical field]

[0001] The utility model relates to the technical field of automobile parts, in particular to the technical field of automobile oil pan sealing gaskets. [Background technology]

[0002] The engine oil pan is an important part of the engine oil circulation. At the same time, the oil pan is at the bottom of the engine and is greatly affected by vibration, oil, water, dust, stones and other foreign objects during the driving process of the car. It is easy to leak and affect the normal operation of the engine. Therefore, the engine oil pan needs to be sealed. Existing sealing gaskets generally have a fixed structure and poor deformation resistance. After being squeezed and deformed by external force, it is difficult to restore the original shape. Once the sealing gasket is deformed, its sealing ability will be greatly reduced, which is easy to cause oil leakage. [Contents of the utility model]

[0003] The purpose of the utility model is to solve the problems in the prior art and to propose an automobile oil pan sealing gasket, which can shape and protect the outer side of the sealing gasket through an external elastic steel ring sheath, shape and protect the upper and lower side surfaces of the sealing gasket through an embedded upper elastic steel ring in cooperation with a lower elastic steel ring, thereby comprehensively improving the sealing gasket's anti-deformation ability, and at the same time, seal and protect the bolt holes through an elastic reduced diameter inner sealing ring in cooperation with mounting bolts, thereby effectively improving the long-lasting sealing performance of the sealing gasket.

[0004] To achieve the above-mentioned purpose, the utility model proposes an automobile oil pan sealing gasket, comprising an elastic sealing gasket body, a mounting through groove, a protective ring groove, an elastic steel ring sleeve, an upper shaping ring groove, an upper elastic steel ring, a lower shaping ring groove, a lower elastic steel ring, a bolt hole and an elastic reduced diameter inner sealing ring, wherein the elastic sealing gasket body is axially penetrated by a mounting through groove, the outer side of the elastic sealing gasket body is surrounded by a protective ring groove, the protective ring groove is embedded with an elastic steel ring sleeve, the top of the elastic sealing gasket body is provided with an upper shaping ring groove, the upper elastic steel ring is embedded in the upper shaping ring groove, the bottom of the elastic sealing gasket body is provided with a lower shaping ring groove, the lower elastic steel ring is embedded in the lower shaping ring groove, the axial center lines of the upper shaping ring groove, the lower shaping ring groove and the mounting through groove are located on the same straight line, a plurality of bolt holes are evenly and vertically penetrated around the elastic sealing gasket body, and an elastic reduced diameter inner sealing ring is provided on the inner side of the opening of the bolt hole.

[0005] Preferably, the axis lines of the protection ring groove and the installation through groove are located on the same straight line, the cross-sectional shape of the protection ring groove is T-shaped, and the contact surfaces of the elastic steel ring sleeve and the protection ring groove are consistent.

[0006] Preferably, the elastic sealing gasket body is an elastic rubber sealing gasket, and the elastic reduced diameter inner sealing ring and the elastic sealing gasket body are an integrated structure.

[0007] Preferably, the inner diameter of the elastic reduced-diameter inner sealing ring gradually decreases from the outside to the inside, and the wall thickness of the elastic reduced-diameter inner sealing ring gradually decreases from the outside to the inside.

[0008] Preferably, the cross-sectional shape of the upper shaping ring groove is T-shaped, and the contact surfaces of the upper elastic steel ring and the upper shaping ring groove are consistent.

[0009] Preferably, the top of the upper elastic steel ring is lower than the opening position of the upper shaping ring groove, and the bottom of the lower elastic steel ring is higher than the opening position of the lower shaping ring groove.

[0010] Preferably, the height of the elastic steel ring sheath is smaller than the height of the elastic sealing gasket body.

[0011] The beneficial effects of the utility model are as follows: the utility model combines an elastic sealing gasket body, an installation groove, a protective ring groove, an elastic steel ring sleeve, an upper shaping ring groove, an upper elastic steel ring, a lower shaping ring groove, a lower elastic steel ring, a bolt hole and an elastic reduced diameter inner sealing ring together, and after experimental optimization, can shape and protect the outer side surface of the sealing gasket through the external elastic steel ring sleeve, and shape and protect the upper and lower side surfaces of the sealing gasket through the embedded upper elastic steel ring and the lower elastic steel ring, thereby comprehensively improving the deformation resistance of the sealing gasket, and at the same time, the bolt hole is sealed and protected by the elastic reduced diameter inner sealing ring and the installation bolts, thereby effectively improving the long-lasting sealing performance of the sealing gasket.

[0012] The features and advantages of the present invention will be described in detail through embodiments in conjunction with the accompanying drawings.

Brief Description of the Drawings

[0013] Figure 1 The utility model is a structural schematic diagram of a sealing gasket for an automobile oil pan.

[0014] In the figure: 1-elastic sealing gasket body, 2-installation groove, 3-protective ring groove, 4-elastic steel ring sleeve, 5-upper shaping ring groove, 6-upper elastic steel ring, 7-lower shaping ring groove, 8-lower elastic steel ring, 9-bolt hole, 10-elastic reduced diameter inner sealing ring. [Specific implementation method]

[0015] See also Figure 1The utility model automobile oil pan sealing gasket comprises an elastic sealing gasket body 1, an installation through groove 2, a protective ring groove 3, an elastic steel ring sleeve 4, an upper shaping ring groove 5, an upper elastic steel ring 6, a lower shaping ring groove 7, a lower elastic steel ring 8, a bolt hole 9 and an elastic reduced diameter inner sealing ring 10, wherein the elastic sealing gasket body 1 is axially penetrated with an installation through groove 2, the outer side of the elastic sealing gasket body 1 is surrounded by a protective ring groove 3, the protective ring groove 3 is embedded with an elastic steel ring sleeve 4, the top of the elastic sealing gasket body 1 is provided with an upper shaping ring groove 5, the upper shaping ring groove 5 is embedded with an upper elastic steel ring 6, the bottom of the elastic sealing gasket body 1 is provided with a lower shaping ring groove 7, the lower shaping ring groove 7 is embedded with a lower elastic steel ring 8, the axial center lines of the upper shaping ring groove 5, the lower shaping ring groove 7 and the installation through groove 2 are located on the same straight line, and a plurality of bolts are evenly and vertically penetrated around the elastic sealing gasket body 1. Hole 9, an elastic reduced diameter inner sealing ring 10 is arranged on the inner side of the opening of the bolt hole 9, the axial center lines of the protective ring groove 3 and the mounting through groove 2 are located on the same straight line, the cross-sectional shape of the protective ring groove 3 is T-shaped, the contact surface of the elastic steel ring sleeve 4 and the protective ring groove 3 are consistent, the elastic sealing gasket body 1 is an elastic rubber sealing gasket, the elastic reduced diameter inner sealing ring 10 and the elastic sealing gasket body 1 are an integrated structure, the inner diameter of the elastic reduced diameter inner sealing ring 10 gradually decreases from the outside to the inside, the wall thickness of the elastic reduced diameter inner sealing ring 10 gradually decreases from the outside to the inside, the cross-sectional shape of the upper shaping ring groove 5 is T-shaped, the contact surface of the upper elastic steel ring 6 and the upper shaping ring groove 5 are consistent, the top of the upper elastic steel ring 6 is lower than the opening position of the upper shaping ring groove 5, the bottom of the lower elastic steel ring 8 is higher than the opening position of the lower shaping ring groove 7, and the height of the elastic steel ring sleeve 4 is less than the height of the elastic sealing gasket body 1.

[0016] The utility model combines an elastic sealing gasket body 1, an installation groove 2, a protective ring groove 3, an elastic steel ring sheath 4, an upper shaping ring groove 5, an upper elastic steel ring 6, a lower shaping ring groove 7, a lower elastic steel ring 8, a bolt hole 9 and an elastic reduced diameter inner sealing ring 10 together, and after experimental optimization, can shape and protect the outer side surface of the sealing gasket through the external elastic steel ring sheath 4, shape and protect the upper and lower side surfaces of the sealing gasket through the embedded upper elastic steel ring 6 and the lower elastic steel ring 8, comprehensively improve the deformation resistance of the sealing gasket, and at the same time, the bolt hole 9 is sealed and protected by the elastic reduced diameter inner sealing ring 10 in cooperation with the installation bolts, effectively improving the long-lasting sealing performance of the sealing gasket.

[0017] The above embodiments are intended to illustrate the present invention, not to limit the present invention. Any solution that is a simple transformation of the present invention falls within the protection scope of the present invention.

Claims

1. Automobile oil pan sealing gasket, characterized by: The invention comprises an elastic sealing gasket body (1), a mounting groove (2), a protective ring groove (3), an elastic steel ring sleeve (4), an upper shaping ring groove (5), an upper elastic steel ring (6), a lower shaping ring groove (7), a lower elastic steel ring (8), a bolt hole (9) and an elastic reduced diameter inner sealing ring (10), wherein the elastic sealing gasket body (1) is provided with an mounting groove (2) axially penetrating the interior, the elastic sealing gasket body (1) is provided with a protective ring groove (3) surrounding the outer side, the protective ring groove (3) is provided with an elastic steel ring sleeve (4) embedded in the elastic sealing gasket body (1), and the elastic sealing gasket body (1) is provided with a plurality of protective ring grooves (3). ) is provided with an upper shaping ring groove (5) at the top, an upper elastic steel ring (6) is embedded in the upper shaping ring groove (5), a lower shaping ring groove (7) is provided at the bottom of the elastic sealing gasket body (1), a lower elastic steel ring (8) is embedded in the lower shaping ring groove (7), the axis lines of the upper shaping ring groove (5), the lower shaping ring groove (7) and the installation groove (2) are located on the same straight line, a plurality of bolt holes (9) are evenly and vertically penetrated around the elastic sealing gasket body (1), and an elastic reduced diameter inner sealing ring (10) is provided on the inner side of the opening of the bolt hole (9).

2. The automobile oil pan sealing gasket according to claim 1, characterized in that: The axial center lines of the protection ring groove (3) and the installation through groove (2) are located on the same straight line, the cross-sectional shape of the protection ring groove (3) is T-shaped, and the contact surfaces of the elastic steel ring sleeve (4) and the protection ring groove (3) are consistent.

3. The automobile oil pan sealing gasket according to claim 1, characterized in that: The elastic sealing gasket body (1) is an elastic rubber sealing gasket, and the elastic reduced-diameter inner sealing ring (10) and the elastic sealing gasket body (1) are an integrated structure.

4. The automobile oil pan sealing gasket according to claim 1, characterized in that: The inner diameter of the elastic reduced-diameter inner sealing ring (10) gradually decreases from the outside to the inside, and the wall thickness of the elastic reduced-diameter inner sealing ring (10) gradually decreases from the outside to the inside.

5. The automobile oil pan sealing gasket according to claim 1, characterized in that: The cross-sectional shape of the upper shaping ring groove (5) is T-shaped, and the contact surfaces of the upper elastic steel ring (6) and the upper shaping ring groove (5) are matched.

6. The automobile oil pan sealing gasket according to claim 1, characterized in that: The top of the upper elastic steel ring (6) is lower than the opening position of the upper shaping ring groove (5), and the bottom of the lower elastic steel ring (8) is higher than the opening position of the lower shaping ring groove (7).

7. The automobile oil pan sealing gasket according to claim 1, characterized in that: The height of the elastic steel ring sheath (4) is smaller than the height of the elastic sealing gasket body (1).

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