Magnetic sealing ring

Abstract

The utility model relates to the technical field of sealing rings, in particular to a magnetic sealing ring. According to the technical scheme, the sealing ring comprises a sealing ring body, an inner annular groove is formed in the inner wall of the sealing ring body, an outer annular groove is formed in the outer wall of the sealing ring body, an inner sealing assembly is arranged on the inner wall of the sealing ring body, an outer sealing assembly is installed in the outer annular groove in an embedded mode, and an auxiliary sealing assembly is fixedly installed on the sealing ring body. The auxiliary sealing assembly comprises two auxiliary sealing rings fixedly installed at the top and the bottom of the sealing ring body respectively. According to the self-adaptive sealing device, self-adaptive sealing can be carried out, generation of some tiny gaps is avoided, the overall sealing performance and reliability of the device are improved, the magnetic attraction beads can be conveniently and rapidly assembled and disassembled, and the difficulty of later inspection and maintenance of the device is reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of sealing rings, in particular to a magnetic sealing ring. Background Art

[0002] The sealing ring is one of the most widely used in hydraulic and pneumatic transmission systems. It is generally made of nitrile rubber, natural rubber, neoprene rubber, ethylene propylene rubber, fluororubber, silicone rubber and blended rubber, and the magnetic sealing ring also belongs to one of them.

[0003] In the prior art, the patent publication number: CN220060529U discloses a magnetic sealing ring, which includes a sealing ring main body, a magnetic component and a sealing component. The magnetic components are fixed on the inner walls on both sides of the sealing ring main body, and the sealing component is fixed on the inner wall of one side of the sealing ring main body; the magnetic component includes an installation groove, a guiding port, a first limiting groove, a skeleton, a magnetic plate, a second limiting groove, a limiting baffle and a limiting protrusion. Installation grooves are opened on the outer walls on both sides of the sealing ring main body, and a skeleton is inlaid and connected to the inner wall of one side of the installation groove; this utility model adopts a magnetic component, which can add multiple magnetic structures inside the sealing ring, increasing the magnetic effect, and seals the sealing ring and the installation place, improving the sealing effect; by adopting a sealing component, during sealing, the sealing ring will be extruded for a long time, and the sealing ring can be reset through an elastic structure, and the equipment can be adsorbed through a magnetic structure, improving the sealing effect.

[0004] Although the above magnetic sealing ring can achieve the effect of magnetic adsorption sealing through the settings of the magnetic plate and the limiting groove, etc., in actual applications, there are still the following deficiencies: when the connection between the sealing ring and the metal object is tightly sealed, there are still some fine gaps, resulting in poor sealing effect. Summary of the Utility Model

[0005] The purpose of this utility model is to propose a magnetic sealing ring for the problems existing in the background art.

[0006] To achieve this purpose, this utility model adopts the following technical solutions: a magnetic sealing ring, including a sealing ring main body, an inner annular groove is opened on the inner wall of the sealing ring main body, an outer annular groove is opened on the outer wall of the sealing ring main body, an inner sealing component is arranged on the inner wall of the sealing ring main body, an outer sealing component is embedded and installed in the outer annular groove, and an auxiliary sealing component is fixedly installed on the sealing ring main body. The auxiliary sealing component includes two auxiliary sealing rings respectively fixedly installed on the top and bottom of the sealing ring main body.

[0007] Preferably, the inner sealing component includes an inner sealing ring fixedly installed on the inner wall of the sealing ring main body. An annular groove is opened on the outer side of the inner sealing ring, and a number of magnetic beads are filled in the inner annular groove. The magnetic beads are abutted against the inner side of the annular groove.

[0008] Preferably, a threaded hole is formed in the sealing ring body, and the threaded hole communicates with the inner annular groove and the outer annular groove at the same time. The aperture of the threaded hole is larger than that of the magnetic beads.

[0009] Preferably, a bolt is threadedly connected inside the threaded hole.

[0010] Preferably, the outer sealing assembly includes a connecting rubber ring embedded in the outer annular groove. A plurality of magnetic rings are fixedly sleeved on the periphery of the connecting rubber ring, and an outer sealing ring is fixedly sleeved on the periphery of the plurality of magnetic rings.

[0011] Preferably, the plurality of magnetic rings are made of materials with different magnetic properties.

[0012] Preferably, a plurality of storage cavities are evenly formed inside the auxiliary sealing ring, and magnetic attraction blocks are filled inside the storage cavities.

[0013] The beneficial effects of the present utility model: When using this device, the inner sealing ring is sleeved on the periphery of the metal object. The inner sealing ring is attached to the periphery of the metal object and sealed. The magnetic attraction force generated by the plurality of magnetic beads and the metal object will cause the plurality of magnetic beads to contract and move inward in the inner annular groove, thereby squeezing the inner sealing ring, making the inner wall of the inner sealing ring firmly fit with the outside of the metal object, increasing the sealing performance of the device. The outer sealing ring is attached to the inner wall of another metal object for sealing. Each layer of material in the plurality of magnetic rings has different magnetic properties, which can enhance the sealing effect. The magnetic attraction blocks will be adsorbed to the gap between the outer wall of the auxiliary sealing ring and the inner wall of the metal object under the action of the magnetic field, and will squeeze the outer wall of the auxiliary sealing ring, making it firmly fit with the inner wall of the metal object, increasing the sealing performance. Through these settings, this device can perform adaptive sealing, avoid the generation of some fine gaps, and increase the overall sealing performance and reliability of the device; When installing the magnetic beads, pour several magnetic beads into the inner annular groove through the threaded hole, and finally tighten the bolt to block the threaded hole. If it is necessary to disassemble the magnetic beads, just unscrew the bolt and pour the magnetic beads out of the threaded hole. Through these settings, this device can conveniently and quickly assemble and disassemble the magnetic beads, reducing the difficulty of later inspection and maintenance of the device. Description of the Drawings

[0014] Figure 1 is a front view of the overall structure of an embodiment of a magnetic sealing ring of the present utility model;

[0015] Figure 2 is a front sectional view of the overall structure of an embodiment of a magnetic sealing ring of the present utility model;

[0016] Figure 3 is an exploded sectional view of the overall structure of an embodiment of a magnetic sealing ring of the present utility model.

[0017] Reference numerals: 1, main body of the sealing ring; 11, inner annular groove; 12, outer annular groove; 2, inner sealing assembly; 21, inner sealing ring; 22, magnetic beads; 23, threaded hole; 24, bolt; 3, outer sealing assembly; 31, connecting rubber ring; 32, multi-layer magnetic ring; 33, outer sealing ring; 4, auxiliary sealing assembly; 41, auxiliary sealing ring; 42, storage cavity; 43, magnetic block. Detailed implementation mode

[0018] The present utility model will be further described in detail below with reference to the drawings and embodiments. It can be understood that the specific embodiments described herein are only used to explain the present utility model, rather than limiting the present utility model. In addition, it should be noted that for the convenience of description, only the parts related to the present utility model rather than all the structures are shown in the drawings.

[0019] In the description of the present utility model, unless otherwise clearly defined and limited, the terms "connected", "connected", and "fixed" shall be understood in a broad sense. For example, it may be a fixed connection, a detachable connection, or integrated; it may be a mechanical connection or an electrical connection; it may be directly connected, or indirectly connected through an intermediate medium, and it may be the internal communication of two elements or the interaction relationship between two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the present utility model can be understood according to specific circumstances.

[0020] In the present utility model, unless otherwise clearly defined and limited, the first feature being "above" or "below" the second feature may include the direct contact between the first and second features, or may include the situation where the first and second features are not in direct contact but in contact through other features therebetween. Moreover, the first feature being "above", "above", and "on" the second feature includes the first feature being directly above and obliquely above the second feature, or merely indicating that the first feature is at a higher horizontal height than the second feature. The first feature being "below", "below", and "under" the second feature includes the first feature being directly below and obliquely below the second feature, or merely indicating that the first feature is at a lower horizontal height than the second feature.

[0021] In the description of this embodiment, the orientation or positional relationships such as "above", "below", "right", etc. are based on the orientation or positional relationships shown in the drawings, and are only for the convenience of description and simplifying the operation, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as a limitation to the present utility model. In addition, the terms "first" and "second" are only used for distinction in description and do not have special meanings.

[0022] Embodiment 1

[0023] As Figures 1-3As shown in the figure, a magnetic sealing ring proposed by the utility model includes a sealing ring main body 1. An inner annular groove 11 is formed in the inner wall of the sealing ring main body 1, and an outer annular groove 12 is formed in the outer wall of the sealing ring main body 1. An inner sealing component 2 is arranged on the inner wall of the sealing ring main body 1, and an outer sealing component 3 is embedded and installed in the outer annular groove 12. An auxiliary sealing component 4 is fixedly installed on the sealing ring main body 1. The auxiliary sealing component 4 includes two auxiliary sealing rings 41 respectively fixedly installed at the top and bottom of the sealing ring main body 1.

[0024] In this embodiment: The inner sealing component 2 includes an inner sealing ring 21 fixedly installed on the inner wall of the sealing ring main body 1. A ring groove is formed on the outer side of the inner sealing ring 21. A plurality of magnetic beads 22 are filled in the inner annular groove 11, and the magnetic beads 22 are abutted against the inner side of the ring groove. Through this setting, when the inner sealing ring 21 is sleeved outside a metal object for sealing, the magnetic attraction forces generated by the plurality of magnetic beads 22 and the metal object will cause the plurality of magnetic beads 22 to contract and move inward in the inner annular groove 11, thereby squeezing the inner sealing ring 21, making the inner wall of the inner sealing ring 21 firmly fit against the outside of the metal object, increasing the sealing performance of the device; A threaded hole 23 is formed in the sealing ring main body 1, and the threaded hole 23 communicates with both the inner annular groove 11 and the outer annular groove 12 at the same time. The diameter of the threaded hole 23 is larger than that of the magnetic beads 22. Through this setting, the magnetic beads 22 can enter and exit the inner annular groove 11 through the threaded hole 23, facilitating their installation; A bolt 24 is threadedly connected inside the threaded hole 23. Through this setting, after the bolt 24 is threadedly installed in the threaded hole 23, the magnetic beads 22 can be prevented from running out of the threaded hole 23. When the magnetic beads 22 need to be disassembled, only need to screw out the bolt 24 to pour out the magnetic beads 22.

[0025] Embodiment Two

[0026] As Figures 1-3As shown in the figure, a magnetic sealing ring proposed by the present utility model, compared with Embodiment 1, this embodiment further includes that the outer sealing assembly 3 includes a connecting rubber ring 31 embedded in the outer annular groove 12. A plurality of magnetic rings 32 are fixedly sleeved on the periphery of the connecting rubber ring 31, and an outer sealing ring 33 is fixedly sleeved on the periphery of the plurality of magnetic rings 32. Through this setting, the connecting rubber ring 31 sleeves the plurality of magnetic rings 32 and the outer sealing ring 33 on the periphery of the sealing ring body 1, and the outer sealing ring 33 is attached to the inner wall of the metal object for sealing; the plurality of magnetic rings 32 are made of materials with different magnetic properties. Through this setting, each layer of material in the plurality of magnetic rings 32 has different magnetic properties, which can enhance the sealing effect and provide better durability and adaptability; a plurality of storage cavities 42 are evenly arranged inside the auxiliary sealing ring 41, and magnetic attraction blocks 43 are filled inside the storage cavities 42. Through this setting, the magnetic attraction blocks 43 will be adsorbed to the gap between the outer wall of the auxiliary sealing ring 41 and the inner wall of the metal object under the action of the magnetic field, and the outer wall of the auxiliary sealing ring 41 will be extruded to make it firmly fit with the inner wall of the metal object, increasing the sealing performance.

[0027] Working principle: When using this device, the inner sealing ring 21 is sleeved on the periphery of the metal object. The inner sealing ring 21 is attached to and seals the periphery of the metal object. The magnetic attraction force generated by the plurality of magnetic beads 22 and the metal object will cause the plurality of magnetic beads 22 to contract and move inward in the inner annular groove 11, thereby squeezing the inner sealing ring 21 to make the inner wall of the inner sealing ring 21 firmly fit with the outside of the metal object, increasing the sealing performance of the device. The outer sealing ring 33 is attached to the inner wall of another metal object for sealing. Each layer of material in the plurality of magnetic rings 32 has different magnetic properties, which can enhance the sealing effect. The magnetic attraction blocks 43 will be adsorbed to the gap between the outer wall of the auxiliary sealing ring 41 and the inner wall of the metal object under the action of the magnetic field, and the outer wall of the auxiliary sealing ring 41 will be extruded to make it firmly fit with the inner wall of the metal object, increasing the sealing performance. When installing the magnetic beads 22, pour a plurality of magnetic beads 22 into the inner annular groove 11 through the threaded holes 23, and finally tighten the bolts 24 to block the threaded holes 23. If it is necessary to disassemble the magnetic beads 22, just unscrew the bolts 24 and pour the magnetic beads 22 out of the threaded holes 23.

[0028] Obviously, the above-mentioned embodiments of the present utility model are only examples for clearly explaining the present utility model, and are not limitations on the implementation manners of the present utility model. For those of ordinary skill in the art, various obvious changes, re-adjustments and substitutions can be made without departing from the protection scope of the present utility model. It is not necessary and impossible to enumerate all the implementation manners here. Any modifications, equivalent substitutions and improvements made within the spirit and principle of the present utility model shall be included in the protection scope of the claims of the present utility model.

Claims

1. A magnetic sealing ring, comprising a sealing ring body (1), characterized in that: The inner wall of the sealing ring body (1) is provided with an inner annular groove (11), the outer wall of the sealing ring body (1) is provided with an outer annular groove (12), an inner sealing component (2) is arranged on the inner wall of the sealing ring body (1), an outer sealing component (3) is embedded and installed in the outer annular groove (12), an auxiliary sealing component (4) is fixedly installed on the sealing ring body (1), and the auxiliary sealing component (4) includes two auxiliary sealing rings (41) respectively fixedly installed on the top and bottom of the sealing ring body (1).

2. A magnetic sealing ring according to claim 1, characterized in that, The inner sealing component (2) includes an inner sealing ring (21) fixedly installed on the inner wall of the sealing ring body (1). A ring groove is formed on the outer side of the inner sealing ring (21). A number of magnetic beads (22) are filled in the inner annular groove (11), and the magnetic beads (22) are abutted against the inner side of the ring groove.

3. The magnetic sealing ring according to claim 2, characterized in that, A threaded hole (23) is formed in the sealing ring body (1). The threaded hole (23) communicates with both the inner annular groove (11) and the outer annular groove (12) at the same time. The aperture of the threaded hole (23) is larger than that of the magnetic beads (22).

4. A magnetic sealing ring according to claim 3, characterized in that, A bolt (24) is threadedly connected inside the threaded hole (23).

5. A magnetic sealing ring according to claim 1, characterized in that, The outer sealing component (3) includes a connecting rubber ring (31) embedded in the outer annular groove (12). A plurality of magnetic rings (32) are fixedly sleeved on the periphery of the connecting rubber ring (31), and an outer sealing ring (33) is fixedly sleeved on the periphery of the plurality of magnetic rings (32).

6. A magnetic sealing ring according to claim 5, characterized in that, The plurality of magnetic rings (32) are made of materials with different magnetic properties.

7. A magnetic sealing ring according to claim 1, wherein, A plurality of storage cavities (42) are evenly formed inside the auxiliary sealing ring (41), and magnetic blocks (43) are filled in the storage cavities (42).

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