CN215334401U

CN215334401U - Oil seal rubber ring with metal ring

Info

Publication number: CN215334401U
Application number: CN202121352023.0U
Authority: CN
Inventors: 姚代洪
Original assignee: Chongqing Jialong Manufacutirng Co ltd
Current assignee: Chongqing Jialong Manufacutirng Co ltd
Priority date: 2021-06-17
Filing date: 2021-06-17
Publication date: 2021-12-28
Anticipated expiration: 2031-06-17

Abstract

The utility model relates to an oil seal rubber ring with a metal ring, which comprises an inner ring, an outer ring and a middle block, wherein the middle block is arranged between the inner ring and the outer ring, the middle block is annular, the middle block and the outer ring are of an integrated structure, and the surfaces of the middle block and the outer ring are provided with wear-resistant layers; the inner ring is flush with the lower end of the outer ring, the middle block is positioned close to the upper end of the inner ring, and an annular groove is formed between the top surface of the middle block and the outer ring as well as the inner ring; an annular netted hollow metal ring is arranged in the middle block, wherein the outer side and the inner side of the metal ring are bent downwards and extend; set up the mark piece on the outer lane outer wall, wherein the mark piece has the arc convex surface, the inboard of mark piece sets up the stabilizing block, and this real novel improvement is ingenious, and the modern design has the wearability, sets up metal loop and metal connecting strip in oil blanket rubber circle and can provide the intensity of product self, sets up the mark piece simultaneously on the outer lane and is favorable to the record product information, is favorable to pursuing the product.

Description

Oil seal rubber ring with metal ring

Technical Field

The utility model relates to an oil seal rubber ring with a metal ring.

Background

The oil seal can effectively prevent liquid medium from leaking out of a sealed mechanism, and is characterized by low leakage rate and wide range of heat resistance and pressure resistance. The outer circumferential surface of a general oil seal is a smooth cylindrical surface, the sealing of the oil seal is guaranteed by the interference of rubber, and the sealing effect can be guaranteed under the condition of small working oil pressure. The existing oil leakage in the prior art is used as a technical improvement, and the utility model is specially applied and created.

SUMMERY OF THE UTILITY MODEL

In order to solve the problems in the prior art, the utility model provides an oil seal rubber ring with a metal ring, which can overcome the defects.

The utility model relates to an oil seal rubber ring with a metal ring, which comprises an inner ring, an outer ring and a middle block, wherein the middle block is arranged between the inner ring and the outer ring, the middle block is annular, the middle block and the outer ring are of an integrated structure, are made of nitrile rubber, and are provided with wear-resistant layers on the surfaces, namely polyurea anti-corrosion wear-resistant layers, and the thickness of the polyurea anti-corrosion wear-resistant layers is 0.2 cm-1.3 cm; the inner ring is flush with the lower end of the outer ring, the middle block is positioned close to the upper end of the inner ring, and an annular groove is formed between the top surface of the middle block and the outer ring as well as between the top surface of the middle block and the inner ring; an annular net-shaped hollow metal ring is arranged in the middle block, wherein the outer side and the inner side of the metal ring are bent and extended downwards and are respectively positioned in the outer ring and the inner ring, and a silicon dioxide corrosion inhibitor layer is arranged on the surface of the metal ring; the outer wall of the outer ring is provided with a mark block, the mark block is provided with an arc convex surface, the outer periphery of the surface of the mark block is partially shielded by the inner ring, the inner side of the mark block is provided with a stabilizing block, the stabilizing block extends towards the direction of the inner ring, and the surface of the stabilizing block is provided with a spine part, so that the stability of the stabilizing block can be enhanced and the stabilizing block is prevented from falling off; the upper end and the lower end of the inner wall of the inner ring incline towards the middle of the shaft hole in the direction, and an S-shaped convex area is formed.

Furthermore, the reticular hollow structure is a hexagonal or "#" shaped hole.

Further, a product information code, such as a two-dimensional code or a bar code, is engraved on the mark block.

Furthermore, an annular clamping groove is formed between the bottom surface of the middle block and the outer ring and the inner ring, wherein the depth of the annular clamping groove is larger than that of the annular groove, and a polyethylene composite sheet is arranged at the bottom of the annular clamping groove, wherein the polyethylene composite sheet comprises a high-density polyethylene film layer and a low-density polyethylene film layer, the thickness of the polyethylene composite sheet is 20-60 mu m in total, and the polyethylene composite sheet and the low-density polyethylene film layer can jointly enhance the sealing performance of the annular clamping groove.

Furthermore, an annular convex part is arranged on the outer wall of the inner ring on the annular clamping groove.

Furthermore, an anti-skid groove is arranged in the annular groove. The antiskid groove can prevent oil blanket circle from taking place to rotate when using with the mounting cooperation on the machine, can strengthen the stability when oil blanket circle uses.

Further, the anti-slip groove extends from the inner wall of the outer ring to the top surface of the middle block.

Furthermore, the anti-skidding groove is provided with a plurality of anti-skidding triangular edges on the middle block, the height of the anti-skidding groove is 3mm, and the width of the anti-skidding groove is 2 mm.

Furthermore, the anti-skid grooves are arranged at equal intervals.

Further, a spraying code is arranged on the polyethylene composite film.

This real novel improvement is ingenious, and the modern design has the wearability, sets up the intensity that the fretwork becket can provide product self in oil blanket rubber circle, sets up the mark piece simultaneously and is favorable to the record product information on the outer lane, is favorable to pursuing the product.

Drawings

FIG. 1 is a schematic view of the structure of the present invention.

Fig. 2 is a schematic cross-sectional view of fig. 1.

Fig. 3 is a schematic structural diagram of a marking block.

Fig. 4 is a first schematic view of the annular mesh-like hollowed-out metal ring.

Fig. 5 is a schematic view of a second annular mesh-like hollowed-out metal ring.

The figure is as follows: the composite polyethylene film comprises a middle block 1, an outer ring 2, an inner ring 3, an auxiliary sealing block 31, an anti-slip groove 4, an annular clamping groove 5, an annular outer convex part 6, a metal ring 7, a marking block 8, a stabilizing block 81, a spine part 82, a meshed hollowed metal ring 9, a hexagonal hole 91, a # 92 hole, an annular groove 10 and a polyethylene composite film 11.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in further detail with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the utility model and are not intended to limit the utility model.

As shown in fig. 1 and 2, the utility model relates to an oil seal rubber ring with a metal ring, which comprises an inner ring 3, an outer ring 2 and a middle block 1, wherein the middle block 1 is arranged between the inner ring 3 and the outer ring 2 and is annular, the middle block and the outer ring are integrated and made of nitrile rubber, and the surfaces of the middle block and the outer ring are provided with wear-resistant layers, specifically polyurea anti-corrosion wear-resistant layers, the thickness of the middle block is 0.2 cm-1.3 cm, so that the wear resistance of the rubber ring can be improved; the inner ring 3 is flush with the lower end of the outer ring 2, the middle block 1 is positioned close to the upper end of the inner ring 3, the distance between the middle block and the inner ring is 2cm, and an annular groove 10 is formed between the top surface of the middle block 1 and the outer ring 2 and the inner ring 3; an annular net-shaped hollow metal ring 9 is arranged in the middle block, wherein the outer side and the inner side of the metal ring are bent and extended downwards and are respectively positioned in the outer ring and the inner ring, and a silicon dioxide corrosion inhibitor layer is arranged on the surface of the metal ring; in view of the problem of fusion processing, as shown in fig. 4 and 5, the mesh-like hollowed-out structure is hexagonal 91 or "#" shaped holes 92, and the annular mesh-like hollowed-out metal ring plays a skeleton role and is generally made of stainless steel; a silicon dioxide corrosion inhibitor layer is arranged on the surfaces of the metal ring 7 and the metal connecting strip 9; the outer wall of the outer ring 2 is provided with a mark block 8, wherein the mark block is provided with an arc convex surface, the outer periphery of the surface of the mark block is partially shielded by the inner ring, as shown in fig. 3, the inner side of the mark block 8 is provided with a stabilizing block 81, the stabilizing block extends towards the direction of the inner ring, the surface of the stabilizing block is provided with a spine part 82, the stability of the stabilizing block can be enhanced, the stabilizing block and the mark block are made of metal copper, and the length and width of the mark block are less than 1.2 cm; the upper end and the lower end of the inner wall of the inner ring 3 are inclined towards the middle of the shaft hole and are provided with S-shaped convex areas, the convex size of the convex areas is smaller than 5mm, generally 2mm, and auxiliary sealing blocks 31 are formed.

As a technical improvement, the marking block 8 is engraved with a product information code, such as a two-dimensional code or a bar code.

As a technical improvement, an annular clamping groove 5 is formed between the bottom surface of the middle block 1 and the outer ring 2 and the inner ring 3, wherein the depth of the annular clamping groove 5 is greater than that of the annular groove 10; the bottom of the ring-shaped clamping groove is provided with a polyethylene composite thin sheet 11, wherein the polyethylene composite thin sheet comprises a high-density polyethylene thin film layer and a low-density polyethylene thin film layer, the thickness of the polyethylene composite thin film layer is 20-60 mu m in total, and the polyethylene composite thin film layer and the low-density polyethylene thin film layer can enhance the tightness of the ring-shaped clamping groove together.

As a technical improvement, an annular convex part 6 is arranged on the outer wall of the inner ring 3 on the annular clamping groove 5.

As a technical improvement, an anti-slip groove 4 is arranged in the annular groove 10.

As a technical improvement, the anti-slip groove extends from the inner wall of the outer ring to the top surface of the middle block 1.

As a technical improvement, the anti-counterfeiting performance is improved, and the spraying code is arranged on the polyethylene composite film.

As a technical improvement, the antiskid groove is provided with a plurality of antiskid triangular edges on the middle block 1, and the antiskid triangular edges are 3mm in height and 2mm in width.

As a technical improvement, the anti-skid grooves are arranged at equal intervals.

In this scheme, all set up supplementary sealed piece about the inner circle to and set up the multiplicable leakproofness of compound thin slice of polyethylene in ring groove.

Claims

1. The utility model provides a take oil blanket rubber circle of becket which characterized in that: the wear-resistant bearing comprises an inner ring, an outer ring and a middle block, wherein the middle block is arranged between the inner ring and the outer ring, is annular, is of an integral structure, and is provided with a wear-resistant layer on the surface; the inner ring is flush with the lower end of the outer ring, the middle block is positioned close to the upper end of the inner ring, and an annular groove is formed between the top surface of the middle block and the outer ring as well as between the top surface of the middle block and the inner ring; an annular net-shaped hollow metal ring is arranged in the middle block, wherein the outer side and the inner side of the metal ring are bent and extended downwards and are respectively positioned in the outer ring and the inner ring, and a silicon dioxide corrosion inhibitor layer is arranged on the surface of the metal ring; the outer wall of the outer ring is provided with a mark block, the mark block is provided with an arc convex surface, the outer circumference of the surface of the mark block is partially shielded by the inner ring, the inner side of the mark block is provided with a stabilizing block, the stabilizing block extends towards the direction of the inner ring, and the surface of the stabilizing block is provided with a spike part; the upper end and the lower end of the inner wall of the inner ring incline towards the middle of the shaft hole in the direction, and an S-shaped convex area is formed.

2. The oil-sealed rubber ring with the metal ring as claimed in claim 1, wherein: the reticular hollow structure is a hexagonal or "#" shaped hole.

3. The oil-sealed rubber ring with the metal ring as claimed in claim 1, wherein: and the marking block is engraved with a product information code.

4. The oil-sealed rubber ring with the metal ring as claimed in claim 1, wherein: an annular clamping groove is formed between the bottom surface of the middle block and the outer ring and between the bottom surface of the middle block and the inner ring, wherein the depth of the annular clamping groove is larger than that of the annular groove, and a polyethylene composite sheet is arranged at the bottom of the annular clamping groove.

5. The oil-sealed rubber ring with the metal ring as claimed in claim 4, wherein: and an annular outer convex part is arranged on the outer wall of the inner ring on the annular clamping groove.

6. The oil-sealed rubber ring with the metal ring as claimed in claim 1, wherein: and an anti-skid groove is arranged in the annular groove.

7. The oil-sealed rubber ring with the metal ring as claimed in claim 6, wherein: the anti-slip groove extends from the inner wall of the outer ring to the top surface of the middle block.

8. The oil-sealed rubber ring with the metal ring as claimed in claim 7, wherein: the anti-skidding groove is provided with a plurality of anti-skidding triangular edges on the middle block, and the height of the anti-skidding grooves is 3mm, and the width of the anti-skidding grooves is 2 mm.

9. The oil-sealed rubber ring with the metal ring as claimed in claim 7, wherein: the anti-slip grooves are arranged at equal intervals.

10. The oil-sealed rubber ring with the metal ring as claimed in claim 4, wherein: and the polyethylene composite film is provided with a spraying code.