CN212055844U - Magnetic floating oil seal - Google Patents
Magnetic floating oil seal Download PDFInfo
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- CN212055844U CN212055844U CN201922210428.XU CN201922210428U CN212055844U CN 212055844 U CN212055844 U CN 212055844U CN 201922210428 U CN201922210428 U CN 201922210428U CN 212055844 U CN212055844 U CN 212055844U
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- titanium alloy
- ring
- floating ring
- pressure
- rubber circle
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Abstract
The utility model discloses a magnetic force floating oil seal belongs to the floating oil seal field, including first titanium alloy floating ring and second titanium alloy floating ring, first titanium alloy floating ring, the equal slidable mounting in surface of second titanium alloy floating ring has the rubber circle, the fixed surface of rubber circle installs the resistance to pressure, the fixed surface of resistance to pressure installs the wearing layer, the surperficial equidistance of first titanium alloy floating ring is equipped with the mounting hole, the inside fixed mounting of mounting hole has the permanent magnet, magnetism is connected between permanent magnet and the second titanium alloy floating ring, it passes through the resistance to pressure on rubber circle surface, the setting of wearing layer, can improve the durability of rubber circle, in order to prolong life, avoid the permanent atress of rubber circle to warp, and through the setting of permanent magnet, further guarantee first titanium alloy floating ring, the compactness of second titanium alloy floating ring, play good sealing effect.
Description
Technical Field
The utility model relates to a floating oil seal field, more specifically say, relate to a magnetic force floating oil seal.
Background
The floating oil seal is commonly known as floating seal, belongs to one of mechanical seals in dynamic seal, has super-strong sealing performance under severe working environments such as much pulverized coal, silt, water vapor and the like, is a compact mechanical seal, and is mainly used in low-speed heavy-load occasions.
However, most floating oil seals work under the conditions of high temperature and heavy load, the elastic bodies of the floating oil seals are easy to generate permanent deformation, sufficient pre-compression force cannot be provided for the floating metal rings, and therefore sealing failure is caused, the service life is short, and normal operation of equipment is seriously affected.
Therefore, a large amount of magnetic floating oil seals appear in the prior art, and the existing magnetic floating oil seals cannot improve the durability of the rubber ring through the arrangement of the pressure-resistant layer and the wear-resistant layer on the surface of the rubber ring, so that the service life is prolonged, the rubber ring is prevented from deforming under the action of force for a long time, the tightness of the first titanium alloy floating ring and the second titanium alloy floating ring can not be further ensured through the arrangement of the permanent magnet, and a good sealing effect is achieved.
SUMMERY OF THE UTILITY MODEL
To the problem that exists among the prior art, the utility model aims to provide a magnetic force floating oil seal, it passes through the resistance to pressure layer, the wearing layer setting on rubber circle surface, can improve the durability of rubber circle to increase of service life avoids the permanent atress of rubber circle to warp, and through the setting of permanent magnet, further guarantees the compactness of first titanium alloy floating ring, second titanium alloy floating ring, plays good sealed effect.
In order to solve the above problems, the utility model adopts the following technical proposal.
The utility model provides a magnetic force floating oil seal, includes that first titanium alloy floats ring sum second titanium alloy and floats the ring, the equal slidable mounting in surface of first titanium alloy floats ring sum second titanium alloy and has the rubber circle, the fixed surface of rubber circle installs the resistance to pressure, the fixed surface of resistance to pressure installs the wearing layer, the surperficial equidistance of first titanium alloy floats ring is equipped with the mounting hole, the inside fixed mounting of mounting hole has the permanent magnet, magnetism is connected between permanent magnet and the second titanium alloy floats ring, and it passes through the setting of resistance to pressure, wearing layer on rubber circle surface, can improve the durability of rubber circle to increase of service life avoids the permanent atress of rubber circle to warp, and through the setting of permanent magnet, further guarantee the compactness of first titanium alloy float ring sum second titanium alloy and float the ring, play good sealing action.
Further, the rubber circle is the nitrile rubber material, and the rubber circle is O type circle, and under the material effect through setting up and nitrile rubber of O type circle for the rubber circle can be cramped to first titanium alloy floating ring, second titanium alloy floating ring surface, and improves the durability.
Furthermore, the pressure-resistant layer is made of epoxy resin, the thickness of the pressure-resistant layer is 2mm, the pressure-resistant performance of the surface of the rubber ring is improved under the action of the pressure-resistant layer, and the epoxy resin material has good pressure resistance and durability.
Further, the wearing layer is the polyethylene material, and the thickness of wearing layer is 2mm, is convenient for under the effect of wearing layer, improves the wear resistance on rubber circle surface, and the polyethylene material has good wear resistance.
Compared with the prior art, the utility model has the advantages of:
(1) this scheme passes through the resistance to pressure layer on rubber circle surface, the setting of wearing layer, can improve the durability of rubber circle to increase of service life avoids the permanent atress of rubber circle to warp, and through the setting of permanent magnet, further guarantees the compactness of first titanium alloy floating ring, second titanium alloy floating ring, plays good sealed effect.
(2) The rubber circle is the butadiene acrylonitrile rubber material, and the rubber circle is O type circle, and under the material effect through setting up and butadiene acrylonitrile rubber of O type circle for the rubber circle can be cramped first titanium alloy floating ring, second titanium alloy floating ring surface, and improves the durability.
(3) The pressure-resistant layer is made of epoxy resin, the thickness of the pressure-resistant layer is 2mm, the pressure-resistant performance of the surface of the rubber ring is improved under the action of the pressure-resistant layer, and the epoxy resin has good pressure resistance and durability.
(4) The wearing layer is the polyethylene material, and the thickness of wearing layer is 2mm, is convenient for under the effect of wearing layer, improves the wear resistance on rubber circle surface, and the polyethylene material has good wear resistance.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a right side view of the structure of the present invention;
fig. 3 is a cross-sectional view of the present invention.
The reference numbers in the figures illustrate:
1 a first titanium alloy floating ring, 2 a second titanium alloy floating ring, 3 rubber rings, 4 pressure-resistant layers, 5 wear-resistant layers, 6 mounting holes and 7 permanent magnets.
Detailed Description
The technical solution in the embodiment of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiment of the present invention; obviously, the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and all other embodiments obtained by those skilled in the art without any inventive work are within the scope of the present invention based on the embodiments of the present invention.
Referring to fig. 1-3, a magnetic floating oil seal includes a first titanium alloy floating ring 1 and a second titanium alloy floating ring 2, and referring to fig. 1-3, the surfaces of the first titanium alloy floating ring 1 and the second titanium alloy floating ring 2 are both slidably mounted with a rubber ring 3, the rubber ring is made of 3-butyl nitrile rubber, and the rubber ring 3 is an O-ring, through the arrangement of the O-ring and the action of the material of the butyl nitrile rubber, the rubber ring 3 can clamp the surfaces of the first titanium alloy floating ring 1 and the second titanium alloy floating ring 2, and the durability is improved, the surface of the rubber ring 3 is fixedly mounted with a pressure-resistant layer 4, the pressure-resistant layer 4 is made of epoxy resin, and the thickness of the pressure-resistant layer 4 is 2mm, so that the pressure resistance of the surface of the rubber ring 3 is improved under the action of the pressure-resistant layer 4, and the epoxy resin material has good pressure resistance and durability, and the surface of the pressure-resistant layer 4 is fixedly mounted with a wear-resistant layer 5, wearing layer 5 is the polyethylene material, and wearing layer 5's thickness is 2mm, is convenient for under wearing layer 5's effect, improves the wear resistance on 3 surfaces of rubber circle, and the polyethylene material has good wear resistance, and first titanium alloy floats ring 1's surperficial equidistance and is equipped with mounting hole 6, and the inside fixed mounting of mounting hole 6 has permanent magnet 7, and permanent magnet 7 and second titanium alloy float between the ring 2 magnetism be connected.
This magnetic force floating oil seal, under the effect of O type design and the butadiene-acrylonitrile rubber material through rubber circle 3, can be to first titanium alloy floating ring 1, 2 surperficial cramps of second titanium alloy floating ring, and through 3 surperficial withstand voltage layers 4 of rubber circle, wearing layer 5's setting, can improve rubber circle 3 withstand voltage, wear resistance, increase of service life, and through permanent magnet 7's effect, first titanium alloy 1 has further been guaranteed, second titanium alloy 2 is in close contact with each other, thereby play good sealing effect.
The above description is only the preferred embodiment of the present invention; the scope of the present invention is not limited thereto. Any person skilled in the art should also be able to cover the technical scope of the present invention by replacing or changing the technical solution and the improvement concept of the present invention with equivalents and modifications within the technical scope of the present invention.
Claims (4)
1. The utility model provides a magnetic force floating oil seal, includes first titanium alloy floating ring (1) and second titanium alloy floating ring (2), its characterized in that: the surface of first titanium alloy floating ring (1), second titanium alloy floating ring (2) is equal slidable mounting has rubber circle (3), the fixed surface of rubber circle (3) installs resistance to pressure layer (4), the fixed surface of resistance to pressure layer (4) installs wearing layer (5), the surperficial equidistance of first titanium alloy floating ring (1) is equipped with mounting hole (6), the inside fixed mounting of mounting hole (6) has permanent magnet (7), magnetism is connected between permanent magnet (7) and second titanium alloy floating ring (2).
2. A magnetic floating oil seal according to claim 1, wherein: the rubber ring (3) is made of nitrile rubber, and the rubber ring (3) is an O-shaped ring.
3. A magnetic floating oil seal according to claim 1, wherein: the pressure-resistant layer (4) is made of epoxy resin, and the thickness of the pressure-resistant layer (4) is 2 mm.
4. A magnetic floating oil seal according to claim 1, wherein: the wear-resistant layer (5) is made of polyethylene, and the thickness of the wear-resistant layer (5) is 2 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922210428.XU CN212055844U (en) | 2019-12-11 | 2019-12-11 | Magnetic floating oil seal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922210428.XU CN212055844U (en) | 2019-12-11 | 2019-12-11 | Magnetic floating oil seal |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212055844U true CN212055844U (en) | 2020-12-01 |
Family
ID=73512595
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922210428.XU Active CN212055844U (en) | 2019-12-11 | 2019-12-11 | Magnetic floating oil seal |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212055844U (en) |
-
2019
- 2019-12-11 CN CN201922210428.XU patent/CN212055844U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Longquan Yide Construction Machinery Co., Ltd Assignor: Zhejiang Guangli Construction Machinery Co., Ltd Contract record no.: X2021330000694 Denomination of utility model: Magnetic floating oil seal Granted publication date: 20201201 License type: Common License Record date: 20211104 |