Oil-resistant and corrosion-resistant rubber gasket

Abstract

The utility model provides an oil-resistant and corrosion-resistant rubber gasket, which relates to the technical field of automobile accessories and comprises a rubber shell, the main body of the rubber shell is made of annular rubber materials, the inner edge and the outer edge of the rubber shell are bent downwards and buckled to form a wrapping structure, and the buckling part at the bottom of the rubber shell is of an inclined structure with a wide outside and a narrow inside; the inner ring of the rubber shell is coated with an oil-proof film; an outer bone ring and an inner bone ring are wrapped in the rubber shell, the inner ring of the outer bone ring is wide in lower part and narrow in upper part, the outer side of the inner bone ring is wide in lower part and narrow in upper part, and the outer sides of the outer bone ring and the inner bone ring can be matched and assembled; and the outer bone ring and the inner bone ring are arranged, so that an internal supporting function is provided, the gasket can be reinforced, the gasket can be prevented from deforming, the external stability of the rubber shell is kept, oil can be prevented from immersing into a connecting gap to corrode a connecting surface, the service life is prolonged, and the problem that an existing gasket is lack of internal supporting is solved.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of steam accessories, more specifically, it relates to an oil-resistant and corrosion-resistant rubber gasket. BACKGROUND

[0002] The transmission and oil circuit connection of the automobile all need to adopt rubber gaskets to connect and seal, and after long-time contact with oil, the rubber gasket is easily corroded by oil and deformed, and since the rubber gasket is soft, it will become softer and softer due to corrosion, and the sealing performance will be reduced, thereby affecting use.

[0003] Based on the above, the currently used rubber gasket is an integral cutout structure, the plane is fixed by clamping, the inside lacks supporting capacity, it is not conducive to keeping stable, the anti-deformation capacity is poor, and it is not conducive to corrosion resistance. UTILITY MODEL CONTENTS

[0004] In order to solve the above technical problems, the utility model provides an oil-resistant and corrosion-resistant rubber gasket to solve the problems that the existing rubber gasket is an integral cutout structure, the plane is fixed by clamping, the inside lacks supporting capacity, it is not conducive to keeping stable, the anti-deformation capacity is poor, and it is not conducive to corrosion resistance.

[0005] The purpose and effect of the oil-resistant and corrosion-resistant rubber gasket are achieved by the following specific technical means:

[0006] An oil-resistant and corrosion-resistant rubber gasket, comprising a rubber shell, the main body of the rubber shell is an annular rubber material, the inner and outer edges of the rubber shell are all downwardly folded and are combined to form a wrapping structure, the combined part at the bottom of the rubber shell is an inclined structure with an outer width and an inner narrowness; an oil-proof film is coated on the inner ring of the rubber shell; an outer bone ring and an inner bone ring are arranged in the rubber shell, the inner ring of the outer bone ring is wide at the bottom and narrow at the top, the outer side of the inner bone ring is wide at the bottom and narrow at the top, and the outer sides of the outer bone ring and the inner bone ring can be fitted and wrapped by the rubber shell.

[0007] Further, eight outer flange through grooves are formed in the inner ring of the outer bone ring, and four outer U-shaped grooves are formed in the bottom of the outer bone ring; the positions of the outer flange through grooves and the outer U-shaped grooves are staggered.

[0008] Further, eight inner flange through grooves are formed in the outer side of the inner bone ring, and four inner U-shaped grooves are formed in the bottom of the inner bone ring; the positions of the inner flange through grooves and the inner U-shaped grooves are staggered.

[0009] Further, eight downwardly extending flange barrels are integrally arranged on the top of the rubber shell, the bottoms of the flange barrels are aligned with the bottom of the rubber shell; the outer flange through grooves and the inner flange through grooves are fitted and arranged on the outside of the flange barrels.

[0010] Further, the outer U-shaped groove and the inner U-shaped groove are aligned and communicated, and a connecting plate is fitted in the outer U-shaped groove and the inner U-shaped groove; two groups of T-shaped grooves are formed in the connecting plate.

[0011] Further, screw holes are formed in the outer U-shaped groove and the inner U-shaped groove, and a positioning bolt is arranged in the T-shaped groove and assembled with the screw holes in the outer U-shaped groove and the inner U-shaped groove.

[0012] Compared with the prior art, the utility model has the beneficial effects that:

[0013] The outer bone ring and the inner bone ring are arranged, internal support function is provided, the gasket can be reinforced, the gasket can prevent deformation, the external stability of the rubber shell can be maintained, the connecting surface can be prevented from being corroded due to immersion of oil in the connecting gap, the service life is increased, and the opening surface of the rubber shell does not contact the oil way during installation, but the opening of the rubber shell can be fixed through the clamping force during connection.

[0014] In addition, the outer bone ring and the inner bone ring can be recycled and then reused, the connecting plate can be removed after the positioning bolt is loosened, the outer bone ring and the inner bone ring can be recycled when the rubber shell is damaged, internal support is provided, and the raw material cost of the rubber shell is reduced.

[0015] The outer flange through groove and the inner flange through groove can accommodate the wrapped flange barrel, the outer bone ring and the inner bone ring are aligned, the connecting plate can be installed in cooperation with the outer U-shaped groove and the inner U-shaped groove, the positioning is further ensured, the outer bone ring and the inner bone ring can be fixed by using the connecting plate and the positioning bolt, the stability of the rubber shell is ensured, and assembly and disassembly are convenient. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 is a schematic diagram of a three-dimensional sectional structure of the utility model.

[0017] Figure 2 is a schematic diagram of a side elevation sectional structure of the utility model.

[0018] Figure 3 is a schematic diagram of a disassembly structure of the utility model Figure 1 .

[0019] Figure 4 is a schematic diagram of a disassembly structure of the outer bone ring of the utility model.

[0020] Figure 5 is a schematic diagram of a side elevation structure of the utility model Figure 4 .

[0021] In the drawing, the correspondence between the component names and the drawing numbers is as follows:

[0022] 1, rubber shell; 101, flange barrel; 2, outer bone ring; 201, outer flange through groove; 202, outer U-shaped groove; 3, inner bone ring; 301, inner flange through groove; 302, inner U-shaped groove; 4, connecting piece; 401, T-shaped groove; 5, positioning bolt. DETAILED DESCRIPTION

[0023] The embodiments of the utility model will be further described in detail below in combination with the drawings and examples.

[0024] Example 1:

[0025] As shown in the accompanying Figure 1 to the accompanying Figure 5 As shown:

[0026] The utility model provides a kind of oil-resistant corrosion-resistant rubber gasket, including rubber shell 1, the main part of rubber shell 1 is annular rubber material, the inner and outer edges of rubber shell 1 are all turned down, and are combined to constitute wrapping structure, the combined place of rubber shell 1 bottom is the inclined structure of outer wide inner narrow;Rubber shell 1 inner circle is coated with oil-proof film;Rubber shell 1 is wrapped and is provided with outer bone ring 2 and inner bone ring 3, the inner circle of outer bone ring 2 is wide at the bottom and narrow at the top, the outer side of inner bone ring 3 is wide at the bottom and narrow at the top, and the outer side of outer bone ring 2 and inner bone ring 3 can be fitted and is fitted and wrapped by rubber shell 1.

[0027] Among them, eight outer flange through grooves 201 are set in the inner circle of outer bone ring 2, and four outer U-shaped grooves 202 are set in the bottom of outer bone ring 2;The positions of outer flange through groove 201 and outer U-shaped groove 202 are staggered.

[0028] Among them, eight inner flange through grooves 301 are set in the outer part of inner bone ring 3, and four inner U-shaped grooves 302 are set in the bottom of inner bone ring 3;The positions of inner flange through groove 301 and inner U-shaped groove 302 are staggered.

[0029] Among them, eight groups of downward extending flange barrels 101 are integrally arranged on the top of rubber shell 1, and the bottom of flange barrel 101 is aligned with the bottom of rubber shell 1;Outer flange through groove 201 and inner flange through groove 301 are fitted and set on the outside of flange barrel 101.

[0030] Among them, outer U-shaped groove 202 and inner U-shaped groove 302 are aligned and communicated, and connecting piece 4 is fitted and installed in outer U-shaped groove 202 and inner U-shaped groove 302;Two groups of T-shaped grooves 401 are set in connecting piece 4.

[0031] Among them, screw holes are set in outer U-shaped groove 202 and inner U-shaped groove 302, and positioning bolt 5 is arranged in T-shaped groove 401 and is connected with the screw holes in outer U-shaped groove 202 and inner U-shaped groove 302.

[0032] As Figures 1-5As shown, the rubber shell 1 is batch processed, and the inside is manually filled. When installing, the opening of the rubber shell 1 is excavated, and then the outer bone ring 2 and the inner bone ring 3 are loaded, the outer flange through groove 201 and the inner flange through groove 301 are used to wrap the flange barrel 101, and positioning is realized at the same time, so that the outer bone ring 2 and the inner bone ring 3 are aligned; then the connecting piece 4 is installed, the connecting piece 4, the outer bone ring 2 and the inner bone ring 3 are fixedly connected by using the positioning bolt 5 passing through the T-shaped groove 401, and an integral whole is formed; the gasket is installed in the oil way by a flange connection mode, the opening surface of the rubber shell 1 does not contact the oil way, and is fixed by clamping force during connection, so that the inner side surface of the rubber shell 1 contacts the oil product, and corrosion is avoided by an oil film; the oil film is composed of organic silicon, polyurethane, polyester and auxiliary materials, is added to the inner ring of the rubber shell 1 by smearing, and can also be arranged by other modes such as pasting or hot melting installation; internal support is provided by the outer bone ring 2 and the inner bone ring 3, so that the rubber shell 1 is prevented from being bent and deformed, gaps are avoided, the rubber shell 1 is prevented from being immersed in the oil product, and corrosion is further avoided, and the service life can be greatly prolonged.

[0033] Example 2:

[0034] On the basis of example 1, the outer bone ring 2 and the inner bone ring 3 can be removed subsequently and reused, and the connecting piece 4 can be removed after the positioning bolt 5 is loosened; when the rubber shell 1 is damaged, the outer bone ring 2 and the inner bone ring 3 can be recycled, internal support is provided, and the raw material cost of the rubber shell 1 is reduced.

[0035] The specific use mode and effect of the embodiment are as follows:

[0036] In the utility model, the rubber shell 1 is batch processed, and the inside is manually filled. When installing, the opening of the rubber shell 1 is excavated, and then the outer bone ring 2 and the inner bone ring 3 are loaded, the outer flange through groove 201 and the inner flange through groove 301 are used to wrap the flange barrel 101, and positioning is realized at the same time, so that the outer bone ring 2 and the inner bone ring 3 are aligned; then the connecting piece 4 is installed, the connecting piece 4, the outer bone ring 2 and the inner bone ring 3 are fixedly connected by using the positioning bolt 5 passing through the T-shaped groove 401, and an integral whole is formed;

[0037] Then the rubber gasket is installed, and the gasket is installed in the oil way by a flange connection mode during assembly, the opening surface of the rubber shell 1 does not contact the oil way, and is fixed by clamping force during connection, so that the inner side surface of the rubber shell 1 contacts the oil product, and corrosion is avoided by an oil film;

[0038] Internal support is provided by the outer bone ring 2 and the inner bone ring 3, so that the rubber shell 1 is prevented from being bent and deformed, gaps are avoided, the rubber shell 1 is prevented from being immersed in the oil product, and corrosion is further avoided, and the service life can be greatly prolonged, and the outer bone ring 2 and the inner bone ring 3 can be removed subsequently and reused.

Claims

1. An oil and corrosion resistant rubber gasket, characterized by, Include: The main body of the rubber shell (1) is annular rubber material, the inner and outer edges of the rubber shell (1) are turned down, and the clamping structure is wrapped, the clamping part of the rubber shell (1) is an inclined structure with outer wide and inner narrow; The inner circle of the rubber shell (1) is coated with an oil film; The inner part of the rubber shell (1) is wrapped with an outer bone ring (2) and an inner bone ring (3), the inner circle of the outer bone ring (2) is wide at the bottom and narrow at the top, the outer side of the inner bone ring (3) is wide at the bottom and narrow at the top, and the outer side of the outer bone ring (2) and the inner bone ring (3) can be fitted and wrapped by the rubber shell (1).

2. The oil and corrosion resistant rubber gasket of claim 1, wherein: The inner circle of the outer bone ring (2) is provided with eight outer flange through grooves (201), and the bottom of the outer bone ring (2) is provided with four outer U-shaped grooves (202); The positions of the outer flange through groove (201) and the outer U-shaped groove (202) are staggered.

3. The oil and corrosion resistant rubber gasket of claim 2, wherein: The outer part of the inner bone ring (3) is provided with eight inner flange through grooves (301), and the bottom of the inner bone ring (3) is provided with four inner U-shaped grooves (302); The positions of the inner flange through groove (301) and the inner U-shaped groove (302) are staggered.

4. The oil and corrosion resistant rubber gasket of claim 3, wherein: The top of the rubber shell (1) is integrally provided with eight downward extending flange barrels (101), the bottom of the flange barrel (101) is aligned with the bottom of the rubber shell (1); The outer flange through groove (201) and the inner flange through groove (301) are fitted on the outside of the flange barrel (101).

5. The oil and corrosion resistant rubber gasket of claim 3 wherein: The outer U-shaped groove (202) and the inner U-shaped groove (302) are aligned and communicated, and the outer U-shaped groove (202) and the inner U-shaped groove (302) are fitted with a connecting piece (4); Two T-shaped grooves (401) are formed in the connecting piece (4).

6. The oil and corrosion resistant rubber gasket of claim 5, wherein: Screw holes are formed in the outer U-shaped groove (202) and the inner U-shaped groove (302), and a positioning bolt (5) is arranged in the T-shaped groove (401) and connected with the screw holes in the outer U-shaped groove (202) and the inner U-shaped groove (302).

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