Split type floating oil seal

Abstract

The utility model relates to the technical field of floating oil seals, and discloses a split type floating oil seal which comprises a first connecting block, one fixing ring is fixedly connected to the interior of the first connecting block, a first trapezoidal block is slidably connected to the interior of one fixing ring, a plurality of limiting blocks are fixedly connected to the bottom of the first trapezoidal block, and the limiting blocks are fixedly connected to the bottom of the first trapezoidal block. The outer portions of the limiting blocks are fixedly connected with protruding rings, the outer portions of the protruding rings are slidably connected with second trapezoidal blocks, the inner portions of the second trapezoidal blocks are slidably connected with the other fixing ring, and the outer portion of the other fixing ring is fixedly connected with second connecting blocks. The interior of the first connecting block is fixedly connected with an anti-corrosion assembly used for protecting the floating oil seal. According to the utility model, the medium leakage is prevented, the split type floating oil seal can be quickly replaced, the shutdown maintenance time of equipment can be obviously shortened, and the quick replacement characteristic of the split type floating oil seal meets the sealing requirements under different working conditions.

Description

TECHNICAL FIELD

[0001] The utility model relates to floating oil seal technical field especially relates to a split type floating oil seal. BACKGROUND

[0002] With the continuous progress of industrial technology, various mechanical equipment is developing towards high speed, high load, high precision and high reliability, under such trend, the traditional sealing mode has been difficult to meet the performance requirements of equipment.

[0003] Common floating oil seal is composed of sealing ring (moving ring, static ring), O type rubber seal ring, oil seal seat and oil seal cover, the moving ring rotates with the rotating part, the static ring is fixed, the oil pressure makes the two closely adhere and can float, compensates the clearance change, the O ring assists static sealing, the common floating oil seal has the problems of internal leakage, processing and installation requirement etc.

[0004] Part of floating oil seal in prior art will appear sealing surface inclination due to improper installation, influence sealing effect, cause engine oil leakage, influence normal operation of engine, even damage engine, increase equipment downtime, reduce production efficiency, when equipment maintenance or fault maintenance, if floating oil seal lacks quick replacement function, the dismounting and installation process will be very tedious, need to consume a lot of time, therefore, a split type floating oil seal is proposed to solve the above problems. UTILITY MODEL CONTENTS

[0005] In order to make up for the above shortcomings, the utility model provides a split type floating oil seal, which aims at improving the problem that part of floating oil seal in prior art lacks quick replacement function, resulting in tedious dismounting and mounting during maintenance.

[0006] In order to achieve the above purpose, the utility model adopts the following technical scheme:

[0007] A split type floating oil seal, comprising a connecting block one, one of the fixed rings is fixedly connected inside the connecting block one, a trapezoidal block one is slidably connected inside the fixed ring, a plurality of limiting blocks are fixedly connected to the bottom of the trapezoidal block one, the limiting blocks are all fixedly connected with convex rings outside, a trapezoidal block two is slidably connected outside the convex ring, another fixed ring is slidably connected inside the trapezoidal block two, the other fixed ring is fixedly connected with a connecting block two outside, a corrosion prevention assembly for protecting the floating oil seal is fixedly connected inside the connecting block one.

[0008] As a further description of the above technical scheme:

[0009] The anticorrosion assembly comprises an anticorrosion layer, the outer portion of the anticorrosion layer is fixedly connected to the inner portion of the connecting block one, the inner portion of the anticorrosion layer is fixedly connected with a sealing layer, the inner portion of the sealing layer is fixedly connected with a high-temperature-resistant layer, the inner portion of the high-temperature-resistant layer is fixedly connected with a fixed layer, and the inner portion of the fixed layer is fixedly connected with a reinforcing layer.

[0010] As a further description of the above technical solution:

[0011] The bottom of the trapezoidal block one is in contact with the top of the trapezoidal block two, and the outer portion of the trapezoidal block one is in contact with one of the sealing rings.

[0012] As a further description of the above technical solution:

[0013] The inner portion of the connecting block two is provided with a clamping groove two, and the inner portion of the connecting block two is in contact with the outer portion of the other sealing ring.

[0014] As a further description of the above technical solution:

[0015] The outer portions of the plurality of limiting blocks are slidingly connected to the inner portion of the trapezoidal block two, and the inner portion of the trapezoidal block two is provided with a plurality of clamping grooves one.

[0016] As a further description of the above technical solution:

[0017] The bottom of the connecting block one is in contact with the top of the connecting block two, and the material of the anticorrosion layer is fluorine rubber.

[0018] As a further description of the above technical solution:

[0019] The material of the sealing layer is silicon rubber, and the material of the high-temperature-resistant layer is silicon nitride ceramic.

[0020] As a further description of the above technical solution:

[0021] The material of the fixed layer is aluminum oxide ceramic, and the material of the reinforcing layer is alloy steel.

[0022] The utility model has the advantages of the following:

[0023] 1、The utility model discloses a connecting block one and connecting block two integrate each part of the oil seal, the trapezoidal block one realizes stable sliding fit with the trapezoidal block two through the bottom limiting block and the convex ring, the limiting block slides in the clamping groove one of the trapezoidal block two, prevents medium leakage, the split type floating oil seal can be replaced quickly, can significantly shorten the equipment downtime maintenance time, and the quick replacement characteristic of the split type floating oil seal meets the sealing requirement under different working conditions.

[0024] 2. The utility model discloses, anticorrosive layer adopts fluorine rubber material, through with the connection block one's connection, withstands the erosion of the outside corrosive substance to oil seal, and the sealing layer is the silicone rubber material, fills the gap between parts with the elastic characteristic, prevents fluid or gas leakage. BRIEF DESCRIPTION OF DRAWINGS

[0025] Figure 1 A three-dimensional view of a split floating oil seal is provided for the utility model;

[0026] Figure 2 A structure diagram of a fixed ring of a split floating oil seal is provided for the utility model;

[0027] Figure 3 A Figure 2 An enlarged view of position A in the middle;

[0028] Figure 4 A structure diagram of a sealing ring of a split floating oil seal is provided for the utility model;

[0029] Figure 5 A Figure 4 An enlarged view of position B in the middle.

[0030] LEGEND:

[0031] 1, connection block one; 2, fixed ring; 3, sealing ring; 4, trapezoidal block one; 5, trapezoidal block two; 6, limit block; 7, convex ring; 8, card slot one; 9, card slot two; 10, connection block two; 11, reinforcing layer; 12, fixed layer; 13, high temperature resistant layer; 14, sealing layer; 15, anticorrosive layer. DETAILED DESCRIPTION

[0032] The technical solutions in the embodiments of the utility model will be described clearly and completely below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0033] Refer to Figures 1 to 3The utility model provides an embodiment: a split type floating oil seal, the inside fixed connection has one of fixed ring 2 in connecting block one 1, connecting block one 1 integrates each part of whole oil seal together, and its inside provides reliable installation position for fixed ring 2, the inside sliding connection has trapezoidal piece one 4 in one of fixed ring 2, and fixed ring 2 has important positioning and connecting function. One fixed ring 2 is connected with connecting block one 1, provides sliding track for trapezoidal piece one 4, and the bottom fixed connection has a plurality of limit blocks 6 in trapezoidal piece one 4, and the sliding connection of trapezoidal piece one 4 and fixed ring 2 makes it can move within a certain range, and the limit block 6 connected to the bottom can limit its movement, prevent excessive displacement, and the outside fixed connection has convex ring 7 in limit block 6, and the convex ring 7 of limit block 6 outside is connected with trapezoidal piece two 5 slidingly, makes the relative movement between two trapezoidal pieces more stable and orderly, and the outside sliding connection has trapezoidal piece two 5 in convex ring 7, and the multiple clamping grooves one 8 in trapezoidal piece two 5 are cooperated with limit block 6, so that the limit block 6 on trapezoidal piece one 4 can slide in it, to ensure the accurate cooperation of two trapezoidal pieces when relative movement, and the inside sliding connection has another fixed ring 2 in trapezoidal piece two 5, and the outside fixed connection has connecting block two 10 in another fixed ring 2, and the main role of connecting block two 10 is fixed connection with another fixed ring 2, and integrates the structure of a part of oil seal, and the clamping groove two 9 in the inside provides containing and positioning space for another sealing ring 3, and the inside fixed connection has anticorrosive component for protecting floating oil seal in connecting block one 1;

[0034] Referring to Figure 4 、 Figure 5The anti-corrosion assembly comprises an anti-corrosion layer 15 made of fluorine rubber, which mainly resists the corrosion of corrosive substances in the external environment to the oil seal. The outer part of the anti-corrosion layer 15 is fixedly connected to the inner part of the connecting block one 1, and the inner part of the anti-corrosion layer 15 is fixedly connected with a sealing layer 14 made of silicon rubber, which is mainly responsible for the sealing function of the oil seal. Its soft and elastic properties can closely fit on adjacent components, fill small gaps and uneven places, and prevent fluids or gases from passing through. The inner part of the sealing layer 14 is fixedly connected with a high-temperature-resistant layer 13 made of silicon nitride ceramic, which can withstand high-temperature environments. The high-temperature-resistant layer 13 can ensure that the internal structure of the oil seal is not affected by high temperature, prevent the performance of the material from being reduced due to high temperature, and ensure the overall stability and sealing performance of the oil seal, providing reliable high-temperature protection for the oil seal. The inner part of the high-temperature-resistant layer 13 is fixedly connected with a fixed layer 12, which can prevent the oil seal from deforming or being damaged when it bears a large external force, and at the same time provides good support for the internal reinforcing layer 11, ensuring the integrity and stability of the oil seal structure. The inner part of the fixed layer 12 is fixedly connected with a reinforcing layer 11, which can withstand high-strength loads during equipment operation, prevent the oil seal from being broken or damaged in harsh working conditions such as high pressure and high vibration, and provide strong internal support for the structure of the entire oil seal.

[0035] With reference to Figures 3 to 5The bottom of the trapezoidal block one 4 is in contact with the top of the trapezoidal block two 5, and the outside of the trapezoidal block one 4 is in contact with one of the sealing rings 3, which is a key component for sealing. One sealing ring 3 is in contact with the outside of the trapezoidal block one 4, and the other is in contact with the inside of the connecting block two 10. During the operation of the device, the sealing ring 3 fills the gap between different components, preventing the leakage of fluids or gases. The inside of the connecting block two 10 is provided with a clamping groove two 9, which is located inside the connecting block two 10 and serves to accurately accommodate and position the sealing ring 3. Through the clamping groove two 9, the sealing ring 3 can be firmly installed in the connecting block two 10, preventing displacement or falling of the sealing ring 3 during the operation of the device. The inside of the connecting block two 10 is in contact with the outside of the other sealing ring 3. The outside of the plurality of limiting blocks 6 is slidingly connected to the inside of the trapezoidal block two 5. The inside of the trapezoidal block two 5 is provided with a plurality of clamping grooves one 8, which are sliding tracks specially designed for the limiting blocks 6 to ensure the orderly and stable sliding of the limiting blocks 6 inside the trapezoidal block two 5, avoiding the phenomenon of shaking or derailing of the limiting blocks 6 during movement. The bottom of the connecting block one 1 is in contact with the top of the connecting block two 10. The material of the anti-corrosion layer 15 is fluorine rubber, which also has certain heat resistance and can maintain stable chemical properties within a certain temperature range, so that the oil seal can maintain good anti-corrosion performance under different temperature and chemical conditions. The material of the sealing layer 14 is silicone rubber, which has good anti-aging performance and can still maintain sealing performance after a long time of use, reducing the frequency of maintenance and replacement. The material of the high-temperature resistant layer 13 is silicon nitride ceramic, which also has high hardness and good wear resistance and can resist mechanical wear in high-temperature environments, protecting the internal structure of the oil seal from damage and ensuring the long-term stable operation of the oil seal under high-temperature conditions. The material of the fixing layer 12 is alumina ceramic, which can avoid electrical faults caused by the conduction of sealing components, providing protection for the safe operation of the device. The material of the reinforcing layer 11 is alloy steel, which can prevent the oil seal from breaking or failing due to excessive external force, providing reliable support for the entire oil seal structure and ensuring the stable operation of the oil seal under complex working conditions.

[0036] Working principle: The connecting block one 1 and the connecting block two 10 integrate the parts of the oil seal. The internal fixing ring 2 is slidingly connected to the trapezoidal block one 4 and the trapezoidal block two 5, respectively. The trapezoidal block one 4 realizes stable sliding cooperation with the trapezoidal block two 5 through the bottom limiting block 6 and the protruding ring 7. The limiting block 6 slides in the clamping groove one 8 of the trapezoidal block two 5. The fixing ring 2 provides positioning and connection. The sealing ring 3 is positioned in the clamping groove two 9 of the connecting block two 10. The components work together to prevent medium leakage. The split floating oil seal can be quickly replaced, which can significantly shorten the downtime maintenance time of the equipment. The quick replacement feature of the split floating oil seal enables the device to adapt to these changes more quickly, allowing for flexible adjustment of the sealing configuration to meet the sealing requirements under different working conditions.

[0037] The corrosion-proof layer 15 is made of fluorine rubber material, and is connected with the connecting block 1 to resist the erosion of corrosive substances from the outside to the oil seal. The sealing layer 14 is made of silicon rubber material, and fills the gaps between the components by virtue of the elastic properties to prevent fluid or gas leakage. The high-temperature-resistant layer 13 is made of silicon nitride ceramic, which can withstand high temperature to ensure the stable performance of the oil seal structure under high temperature.

[0038] Finally, it should be noted that the above only for the preferred embodiments of the present application, and is not intended to limit the present application, although the foregoing detailed description of the present application has been made with reference to the foregoing embodiments, for those skilled in the art, it still can be modified, or part of the technical features of the equivalent replacement, within the spirit and principles of the present application, any modification, equivalent replacement, improvement, etc., should be included within the scope of the present application.

Claims

1. A split-type floating oil seal, comprising a connecting block (1), characterized in that: The connecting block 1 (1) is internally fixedly connected to one of the fixed rings (2), and the fixed ring (2) is internally slidably connected to one of the trapezoidal blocks (4). The bottom of the trapezoidal block (4) is fixedly connected to multiple limiting blocks (6). The outside of each limiting block (6) is fixedly connected to a protruding ring (7). The outside of the protruding ring (7) is slidably connected to a trapezoidal block 2 (5). The inside of the trapezoidal block 2 (5) is slidably connected to another fixed ring (2). The outside of the other fixed ring (2) is fixedly connected to a connecting block 2 (10). The connecting block 1 (1) is internally fixedly connected to an anti-corrosion component for protecting the floating oil seal.

2. The split-type floating oil seal according to claim 1, characterized in that: The anti-corrosion component includes an anti-corrosion layer (15), the outside of which is fixedly connected to the inside of the connecting block (1), a sealing layer (14) is fixedly connected inside the anti-corrosion layer (15), a high-temperature resistant layer (13) is fixedly connected inside the sealing layer (14), a fixing layer (12) is fixedly connected inside the high-temperature resistant layer (13), and a reinforcing layer (11) is fixedly connected inside the fixing layer (12).

3. A split-type floating oil seal according to claim 1, characterized in that: The bottom of trapezoidal block one (4) is in contact with the top of trapezoidal block two (5), and one of the sealing rings (3) is in contact with the outside of trapezoidal block one (4).

4. A split-type floating oil seal according to claim 3, characterized in that: The interior of the second connecting block (10) is provided with a second slot (9), and the interior of the second connecting block (10) is in contact with the exterior of the other sealing ring (3).

5. A split-type floating oil seal according to claim 1, characterized in that: Multiple limiting blocks (6) are externally slidably connected to the inside of trapezoidal block two (5), and multiple slots (8) are provided inside trapezoidal block two (5).

6. A split-type floating oil seal according to claim 2, characterized in that: The bottom of the first connecting block (1) is in contact with the top of the second connecting block (10), and the anti-corrosion layer (15) is made of fluororubber.

7. A split-type floating oil seal according to claim 2, characterized in that: The sealing layer (14) is made of silicone rubber, and the high-temperature resistant layer (13) is made of silicon nitride ceramic.

8. A split-type floating oil seal according to claim 2, characterized in that: The fixing layer (12) is made of alumina ceramic, and the reinforcing layer (11) is made of alloy steel.

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