CN213839506U

CN213839506U - Wear-resistant sealing ring

Info

Publication number: CN213839506U
Application number: CN202023062463.0U
Authority: CN
Inventors: 向太智
Original assignee: Hangzhou Xituoli Technology Co ltd
Current assignee: Hangzhou Xituoli Technology Co ltd
Priority date: 2020-12-17
Filing date: 2020-12-17
Publication date: 2021-07-30
Anticipated expiration: 2030-12-17

Abstract

The utility model provides a wear-resisting sealing washer belongs to sealing washer technical field. The wear-resistant sealing ring comprises an upper sealing washer and a lower sealing washer. The top groove is formed in the top of the upper sealing washer, a first top wear-resistant layer and a second top wear-resistant layer are respectively arranged at the top of the upper sealing washer and on two sides of the top groove, the lower sealing washer is arranged at the bottom of the upper sealing washer, a bottom groove is formed in the bottom of the lower sealing washer, a first bottom wear-resistant layer and a second bottom wear-resistant layer are respectively arranged at the bottom of the lower sealing washer and on two sides of the bottom groove, an installation groove is formed in the top of the lower sealing washer, and an elastic supporting piece is arranged inside the installation groove. The first top wear-resistant layer and the second top wear-resistant layer on the top of the upper sealing washer enable the upper sealing washer to have good wear resistance; the first bottom wear-resistant layer and the second bottom wear-resistant layer at the bottom of the lower sealing washer enable the lower sealing washer to have good wear resistance.

Description

Wear-resistant sealing ring

Technical Field

The utility model relates to a sealing washer field particularly, relates to a wear-resisting sealing washer.

Background

The seal ring is fixed on one ring or gasket of the bearing and contacts with the other ring or gasket or forms a narrow labyrinth gap to prevent leakage of lubricating oil and intrusion of foreign matters. The sealing ring is used for being installed on various mechanical equipment and plays a sealing role in a static state or a moving state in specified temperature and pressure and different liquids and gases.

When the commonly used rubber sealing ring is used in a sealing mode, the wear resistance is poor, the rubber sealing ring is installed on equipment to be used, the serious abrasion condition is prone to occurring after a period of time, and the clamping sealing effect is poor.

SUMMERY OF THE UTILITY MODEL

In order to compensate above not enough, the utility model provides a wear-resisting sealing washer aims at improving rubber seal commonly used and installs the problem that easy emergence wearing and tearing are serious, sealed effect variation after equipment a period.

The utility model discloses a realize like this:

the utility model provides a wear-resisting sealing ring, which comprises an upper sealing washer and a lower sealing washer.

The top groove is formed in the top of the upper sealing washer, a first top wear-resistant layer and a second top wear-resistant layer are respectively arranged at the top of the upper sealing washer and on two sides of the top groove, the lower sealing washer is arranged at the bottom of the upper sealing washer, a bottom groove is formed in the bottom of the lower sealing washer, a first bottom wear-resistant layer and a second bottom wear-resistant layer are respectively arranged at the bottom of the lower sealing washer and on two sides of the bottom groove, an installation groove is formed in the top of the lower sealing washer, and an elastic supporting piece is arranged inside the installation groove.

In an embodiment of the present invention, the elastic support member comprises a top spring plate and a bottom spring plate, and the top spring plate bottom ends and the bottom spring plate top ends are connected.

In an embodiment of the present invention, a connecting plate is connected between the top spring plate and the bottom spring plate.

The utility model discloses an in one embodiment, the spacing groove has all been seted up to the installation slot both sides, elastic support piece both ends set up respectively in the spacing inslot portion.

The utility model discloses an in one embodiment, go up seal ring bottom and seted up the draw-in groove, lower seal ring top is provided with the fixture block, the fixture block peg graft in inside the draw-in groove.

In an embodiment of the present invention, the first top wear layer and the second top wear layer are close to the upper sealing washer side and the first bottom wear layer and the second bottom wear layer are close to the lower sealing washer side is provided with a bump, the bump is embedded in the upper sealing washer and the lower sealing washer respectively.

In an embodiment of the present invention, the upper sealing washer top and the lower sealing washer bottom are respectively provided with a groove, and the protrusion is embedded in the groove.

In an embodiment of the present invention, the first outer groove is formed on the outer side of the upper sealing washer, and the first inner groove is formed on the inner ring of the upper sealing washer.

In an embodiment of the present invention, the second outer groove is formed on the outer side of the lower sealing washer, and the second inner groove is formed on the inner ring of the lower sealing washer.

In an embodiment of the present invention, the cross-section of the top groove and the bottom groove is a trapezoid structure.

The utility model has the advantages that: the utility model discloses a wear-resisting sealing washer that above-mentioned design obtained, the inside elastic support piece of installation slot makes and all has good block seal effect between seal ring and lower seal ring one side and the equipment. The first top wear-resistant layer and the second top wear-resistant layer on the top of the upper sealing washer enable the upper sealing washer to have good wear resistance; the first bottom wear-resistant layer and the second bottom wear-resistant layer at the bottom of the lower sealing washer enable the lower sealing washer to have good wear resistance.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.

Fig. 1 is a schematic top view of a wear-resistant seal ring according to an embodiment of the present invention;

fig. 2 is a schematic structural view of a cross section a-a in fig. 1 according to an embodiment of the present invention;

fig. 3 is a schematic structural view of a cross-section end portion of a wear-resistant seal ring according to an embodiment of the present invention;

fig. 4 is a schematic structural view of an elastic supporting member according to an embodiment of the present invention.

In the figure: 100-upper sealing washer; 110-a first top wear layer; 120-a second top wear layer; 130-card slot; 140-top trench; 151-first outside groove; 152-a first inner side groove; 200-lower sealing gasket; 210-a first bottom wear layer; 220-a second bottom wear layer; 230-a resilient support; 231-top spring plate; 232-bottom spring plate; 233-connecting plate; 240-a fixture block; 250-mounting a trench; 251-a limiting groove; 260-bottom trench; 270-grooves; 280-bumps; 291-second outside groove; 292-second inside groove.

Detailed Description

To make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the drawings of the embodiments of the present invention are combined to clearly and completely describe the technical solutions of the embodiments of the present invention, and obviously, the described embodiments are some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

Examples

Referring to fig. 1 and 2, the present invention provides a wear-resistant seal ring, which includes an upper seal ring 100 and a lower seal ring 200.

The wear-resistant sealing ring of the cover is installed and used in a mode that the upper sealing washer 100 and the lower sealing washer 200 are installed in an overlapped mode, the upper sealing washer 100 and the lower sealing washer 200 both have good wear-resistant performance, and the wear resistance of the sealing ring is improved.

Referring to fig. 2 and 3, a top groove 140 is formed at the top of the upper sealing gasket 100, and a first top wear-resistant layer 110 and a second top wear-resistant layer 120 are respectively disposed at the tops of the upper sealing gasket 100 on two sides of the top groove 140.

Referring to fig. 3, the lower sealing gasket 200 is disposed at the bottom of the upper sealing gasket 100. The bottom of the upper sealing washer 100 is provided with a clamping groove 130, the top of the lower sealing washer 200 is provided with a clamping block 240, and the lower sealing washer 200 and the clamping block 240 are integrally formed; the latch 240 is inserted into the latch slot 130. The clamping groove 130 at the bottom of the upper sealing washer 100 and the clamping block 240 at the top of the lower sealing washer 200 are clamped with each other, so that the upper sealing washer 100 and the lower sealing washer 200 can be well clamped and installed. The bottom of the lower sealing gasket 200 is formed with a bottom groove 260. The top trench 140 and the bottom trench 260 are both trapezoidal in cross section; the trapezoidal configuration of the top groove 140 and the bottom groove 260 provides good sealing at the top of the upper sealing gasket 100 and at the bottom of the lower sealing gasket 200. The bottom of the lower sealing washer 200 at the two sides of the bottom groove 260 is respectively provided with a first bottom wear layer 210 and a second bottom wear layer 220, the top of the lower sealing washer 200 is provided with a mounting groove 250, and an elastic support 230 is arranged inside the mounting groove 250. It should be noted that the first top wear-resistant layer 110 and the second top wear-resistant layer 120, and the first bottom wear-resistant layer 210 and the second bottom wear-resistant layer 220 are all made of wear-resistant ceramic rings.

Referring to fig. 4, the elastic supporting member 230 includes a top spring plate 231 and a bottom spring plate 232. The two ends of the bottom of the top spring plate 231 are connected with the two ends of the top of the bottom spring plate 232. The top spring plate 231 and the bottom spring plate 232 of the elastic support 230 have good elasticity, so that the upper sealing washer 100 and the lower sealing washer 200 have good clamping and sealing effects with the equipment. A connecting plate 233 is connected between the top spring plate 231 and the bottom spring plate 232. Both sides of the mounting groove 250 are provided with limiting grooves 251, and both ends of the elastic supporting member 230 are respectively arranged in the limiting grooves 251; the limiting groove 251 is used for limiting and installing the elastic supporting member 230, that is, two ends of the connecting plate 233 in the elastic supporting member 230 are respectively clamped in the limiting groove 251.

Referring to fig. 3, the first top wear-resistant layer 110 and the second top wear-resistant layer 120 are provided with a bump 280 at a side close to the upper sealing gasket 100 and at a side close to the lower sealing gasket 200 of the first bottom wear-resistant layer 210 and the second bottom wear-resistant layer 220, and the bumps 280 are integrally formed; the bumps 280 are embedded in the upper and

lower sealing gaskets

100 and 200, respectively. The top of the upper sealing washer 100 and the bottom of the lower sealing washer 200 are respectively provided with a groove 270, and the bump 280 is embedded in the groove 270; the provision of the projection 280 and the groove 270 enables the first and second

bottom wear layers

210 and 220 and the first and second

bottom wear layers

210 and 220 to be more stably mounted.

Referring to fig. 3, a first outer groove 151 is formed on the outer side of the upper sealing gasket 100, and a first inner groove 152 is formed on the inner ring of the upper sealing gasket 100; the first outside groove 151 and the first inside groove 152 allow the outside and the inside of the upper sealing gasket 100 to have a good sealing effect both on the outside and the inside of the upper sealing gasket 100. A second outer side groove 291 is formed in the outer side of the lower sealing washer 200, and a second inner side groove 292 is formed in the inner ring of the lower sealing washer 200; the second outer groove 291 and the second inner groove 292 allow the lower sealing gasket 200 to have a good sealing effect on both the outer side and the inner side.

The working principle of the wear-resistant sealing ring is as follows: in use, the first top wear layer 110 and the second top wear layer 120 on the top of the upper sealing gasket 100 enable the upper sealing gasket 100 to have good wear resistance; the first bottom wear layer 210 and the second bottom wear layer 220 at the bottom of the lower seal gasket 200 provide the lower seal gasket 200 with good wear resistance. The clamping groove 130 at the bottom of the upper sealing washer 100 and the clamping block 240 at the top of the lower sealing washer 200 are clamped with each other, so that the upper sealing washer 100 and the lower sealing washer 200 can be well clamped and installed. The top spring plate 231 and the bottom spring plate 232 in the elastic support 230 inside the installation groove 250 have good elasticity, so that the upper sealing washer 100 and the lower sealing washer 200 have good clamping sealing effect between one side and the equipment.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A wear-resistant seal ring is characterized by comprising

The top of the upper sealing washer (100) is provided with a top groove (140), and the tops of the upper sealing washer (100) on two sides of the top groove (140) are respectively provided with a first top wear-resistant layer (110) and a second top wear-resistant layer (120);

lower seal ring (200), lower seal ring (200) set up in go up seal ring (100) bottom, bottom slot (260) have been seted up to lower seal ring (200) bottom, bottom slot (260) both sides lower seal ring (200) bottom is provided with first bottom wearing layer (210) and second bottom wearing layer (220) respectively, installation slot (250) have been seted up at lower seal ring (200) top, installation slot (250) inside is provided with elastic support piece (230).

2. A wear-resistant seal ring according to claim 1, wherein the resilient support (230) comprises a top spring plate (231) and a bottom spring plate (232), and the two ends of the top spring plate (231) are connected to the two ends of the top spring plate (232).

3. A wear-resistant seal ring according to claim 2, characterized in that a connecting plate (233) is connected between the top spring plate (231) and the bottom spring plate (232).

4. The wear-resistant sealing ring according to claim 1, wherein a limiting groove (251) is formed on each side of the mounting groove (250), and two ends of the elastic supporting member (230) are respectively disposed inside the limiting groove (251).

5. The wear-resistant sealing ring according to claim 1, wherein a clamping groove (130) is formed at the bottom of the upper sealing washer (100), a clamping block (240) is arranged at the top of the lower sealing washer (200), and the clamping block (240) is inserted into the clamping groove (130).

6. A wear-resistant seal ring according to claim 1, wherein the first top wear-resistant layer (110) and the second top wear-resistant layer (120) are provided with a protrusion (280) on a side close to the upper seal gasket (100) and the first bottom wear-resistant layer (210) and the second bottom wear-resistant layer (220) are provided with a protrusion (280) on a side close to the lower seal gasket (200), and the protrusions (280) are respectively embedded in the upper seal gasket (100) and the lower seal gasket (200).

7. The wear-resistant sealing ring according to claim 6, wherein the top of the upper sealing washer (100) and the bottom of the lower sealing washer (200) are respectively provided with a groove (270), and the protrusion (280) is embedded in the groove (270).

8. The wear-resistant sealing ring according to claim 1, wherein the upper sealing washer (100) is provided with a first outer groove (151) on the outer side, and the upper sealing washer (100) is provided with a first inner groove (152) on the inner ring.

9. The wear-resistant sealing ring according to claim 1, wherein the lower sealing washer (200) is provided with a second outer groove (291) on the outer side, and the lower sealing washer (200) is provided with a second inner groove (292) on the inner ring.

10. A wear-resistant seal ring according to claim 1, characterized in that the top groove (140) and the bottom groove (260) are each trapezoidal in cross-section.