Split type floating oil seal ring

By introducing a positioning screw and a high-temperature and wear-resistant layer into the floating oil seal ring, the problem of insufficient stability of the oil seal ring is solved, enabling stable use and extended service life in high-temperature environments.

CN223690320UActive Publication Date: 2025-12-19QINGDAO SK MASCH CO LTD
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Patent Information

Application Number
CN202520055881.0
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-01-10
Publication Date
2025-12-19
Estimated Expiration
2035-01-10

AI Technical Summary

Technical Problem

The existing split-type floating oil seal ring has low stability during use, and long-term use may cause the oil seal ring to loosen, affecting normal use.

Method used

The floating seat incorporates an oil seal tube and a positioning screw structure. The positioning screw is inserted into the positioning groove for positioning. Combined with the design of a high-temperature resistant layer and a wear-resistant layer, the stability and wear resistance of the oil seal ring are improved.

Benefits of technology

It improves the stability of the oil seal ring, prevents loosening, and enhances its service life and wear resistance in high-temperature environments.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a split type floating oil seal ring, which relates to the field of floating oil seal, and comprises a floating seat, two sealing rings and two oil seal rings, two oil seal pipes are sleeved in the floating seat in a threaded manner, and each oil seal ring is fixedly arranged at the other end of the corresponding oil seal pipe. By means of the oil seal pipes and the positioning screws, one ends of the two oil seal pipes are aligned to the top end and the bottom end of the floating seat, the two oil seal pipes are screwed, then the two oil seal pipes can drive the two sealing rings and the two oil seal rings to move, after the oil seal pipes move by a certain distance, the positioning screws are screwed, and the oil seal rings and the oil seal rings are fixed. And one end of each positioning screw can be smoothly inserted into the corresponding adjacent positioning groove, so that the two oil seal pipes can be positioned in use, the use stability of the two sealing rings and the two oil seal rings is improved, the oil seal rings are prevented from loosening in the use process of the split type floating seat, and the service life of the split type floating seat is prolonged. Therefore, the normal use of the split type floating seat is influenced.
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Description

TECHNICAL FIELD

[0001] The utility model relates to the field of floating oil seal, concretely relates to a split type floating oil seal ring. BACKGROUND

[0002] Floating oil seal is a kind of mechanical sealing mode, a kind of rotating dynamic sealing device developed to adapt to harsh working environment, the special form mechanical sealing device with end face dynamic sealing function, maintenance is simple, sealing performance is good, service life is long, it is simple in structure, mainly in engineering machinery and other other mechanical application, its structure mainly includes a pair of floating seal ring, rubber ring, floating seal seat.

[0003] In the process of realizing the present application, the applicant finds that the existing split type floating oil seal ring cannot reinforce the oil seal ring during use, which leads to low stability of the oil seal ring, and may cause the oil seal ring to loosen after long-term use, and affect the normal use of the split type floating seat. UTILITY MODEL CONTENTS

[0004] The utility model aims at solving the problems of low stability of oil seal ring in prior art and possible loosening of oil seal ring after long-term use, and provides a split type floating oil seal ring.

[0005] In order to realize the above-mentioned purpose, the utility model provides the following technical scheme:

[0006] A split type floating oil seal ring, comprising a floating seat, two sealing rings and two oil seal rings, the inside of the floating seat is sleeved with two oil seal pipes, each sealing ring is fixedly arranged at one end of the corresponding oil seal pipe, each oil seal ring is fixedly arranged at the other end of the corresponding oil seal pipe, the outer wall of each sealing ring and the outer wall of each oil seal ring are in close contact with the inner wall of the floating seat, a plurality of first installation openings are formed in the inside of the floating seat, the inner wall of each first installation opening is fixedly provided with an installation plate, a positioning screw rod is movably sleeved in the inside of each installation plate, a plurality of positioning grooves are formed in the side wall of each oil seal pipe, and one end of each positioning screw rod is inserted into the inside of the corresponding positioning groove.

[0007] Preferably, the outer wall of the floating seat is fixedly provided with a high-temperature-resistant layer, and the high-temperature-resistant layer is a tungsten carbide layer.

[0008] Preferably, the side wall of each oil seal ring is fixedly provided with a wear-resistant layer, and the wear-resistant layer is polytetrafluoroethylene.

[0009] Preferably, the inner wall of the floating seat is provided with an internal thread, the outer wall of each oil seal pipe is provided with an external thread, and each external thread is matched with the internal thread.

[0010] Preferably, the other end of each positioning screw is fixedly provided with a knob.

[0011] Preferably, the high-temperature-resistant layer is internally provided with a plurality of second installation openings, each of which is communicated with the adjacent first installation opening.

[0012] Preferably, each sealing ring is a silica gel ring.

[0013] In the above technical solution, the technical effects and advantages of the utility model are provided:

[0014] The utility model discloses, through the oil seal pipe and the positioning screw set up, the top end with the bottom end of two oil seal pipes is aimed at the floating seat, and two oil seal pipes are twisted, and then two oil seal pipes can drive two sealing rings and two oil seal rings to move, when moving a certain distance, a plurality of positioning screws are twisted, and the end of a plurality of positioning screws can be smoothly inserted in the inside of the adjacent positioning groove, thereby the use of two oil seal pipes can be positioned, the stability degree of two sealing rings and two oil seal rings is improved, and the oil seal ring is prevented from loosening in the use process of the split type floating seat, thereby the normal use of the split type floating seat is influenced.

[0015] The utility model discloses a high-temperature-resistant layer, and the high-temperature-resistant layer is fixedly arranged on the outer wall of the floating seat, and the material of the high-temperature-resistant layer is tungsten carbide, which can keep stable chemical and physical properties under high temperature, thereby improving the high-temperature resistance of the floating seat, so that the floating oil seal can work in a high-temperature environment, and the service life of the floating oil seal is improved.

[0016] The utility model discloses two wear-resistant layers, and the two wear-resistant layers are respectively fixedly arranged on one end of the corresponding oil seal pipe, and the two wear-resistant layers are made of polytetrafluoroethylene material, which has good wear resistance, thereby enhancing the wear resistance of the oil seal ring and improving the service life of the oil seal ring. ACCURATE DRAWINGS

[0017] In order to more clearly illustrate the technical solutions in the embodiments or prior art, the drawings needed in the embodiments will be briefly introduced below, and obviously, the drawings in the following description are only some embodiments of the utility model, and other drawings can be obtained by those skilled in the art according to these drawings.

[0018] Figure 1 It is a three-dimensional structure schematic view of the utility model;

[0019] Figure 2 It is a sectional structure schematic view of the utility model; Figure 1

[0020] ​Figure 3 For the present utility model Figure 2 Enlarged schematic diagram of part A;

[0021] Figure 4 For the present utility model Figure 1 A three-dimensional structural diagram of one of the oil seal pipes;

[0022] Figure 5 For the present utility model Figure 1 A three-dimensional structural diagram of the floating seat.

[0023] Explanation of reference numerals in the attached figures:

[0024] 1. Floating seat; 2. Sealing ring; 3. Oil seal ring; 4. Oil seal tube; 5. First mounting port; 6. Mounting plate; 7. Positioning screw; 8. Positioning groove; 9. High temperature resistant layer; 10. Wear resistant layer; 11. Internal thread; 12. External thread; 13. Knob; 14. Second mounting port. Detailed Implementation

[0025] To enable those skilled in the art to better understand the technical solution of this utility model, the present utility model will be further described in detail below with reference to the accompanying drawings.

[0026] This utility model discloses a split-type floating oil seal ring.

[0027] This utility model provides, for example Figures 1-5 The illustrated split-type floating oil seal ring includes a floating seat 1, two sealing rings 2, and two oil seal rings 3. Two oil seal tubes 4 are threadedly fitted inside the floating seat 1. Each sealing ring 2 is fixedly disposed at one end of a corresponding oil seal tube 4, and each oil seal ring 3 is fixedly disposed at the other end of a corresponding oil seal tube 4. The outer walls of each sealing ring 2 and each oil seal ring 3 are fitted against the inner wall of the floating seat 1. Multiple first mounting ports 5 are provided inside the floating seat 1. A mounting plate 6 is fixedly disposed on the inner wall of each first mounting port 5. A positioning screw 7 is movably fitted inside each mounting plate 6. Multiple positioning grooves 8 are provided on the side wall of each oil seal tube 4. One end of each positioning screw 7 is inserted into the corresponding oil seal tube 4. Inside the positioning groove 8, two oil seal tubes 4 and multiple positioning screws 7 are installed. One end of the two oil seal tubes 4 is aligned with the top and bottom of the floating seat 1. The two oil seal tubes 4 are turned, which in turn drives the two sealing rings 2 and the two oil seal rings 3 to move. After moving a certain distance, the multiple positioning screws 7 are turned, and one end of the multiple positioning screws 7 can be smoothly inserted into the interior of the adjacent positioning groove 8. This can position the two oil seal tubes 4, improve the stability of the two sealing rings 2 and the two oil seal rings 3, and prevent the oil seal rings 3 from loosening during the use of the split floating seat 1, which would affect the normal use of the split floating seat 1.

[0028] In order to improve the high temperature resistance of the floating seat 1, so that the floating oil seal can work in a high temperature environment, improve the service life of the floating oil seal, such as Figures 1-3 And Figure 5 As shown, the outer wall of the floating seat 1 is fixedly provided with a high temperature resistant layer 9, the high temperature resistant layer 9 is a tungsten carbide layer, by setting the high temperature resistant layer 9, the high temperature resistant layer 9 is fixedly arranged on the outer wall of the floating seat 1, and the material of the high temperature resistant layer 9 is tungsten carbide, which can maintain stable chemical and physical properties under high temperature conditions, thereby improving the high temperature resistance of the floating seat 1, so that the floating oil seal can work in a high temperature environment, improving the service life of the floating oil seal.

[0029] In order to enhance the wear resistance of the oil seal ring 3, improve the service life of the oil seal ring 3, as shown in Figure 1 And Figure 4 Each side wall of each oil seal ring 3 is fixedly provided with a wear-resistant layer 10, the wear-resistant layer 10 is polytetrafluoroethylene, by setting two wear-resistant layers 10, and the two wear-resistant layers 10 are made of polytetrafluoroethylene material, which has good wear resistance, thereby enhancing the wear resistance of the oil seal ring 3, improving the service life of the oil seal ring 3.

[0030] In order to ensure that the two oil seal pipes 4 can be smoothly threaded into the inside of the floating seat 1, as shown in Figures 1-5 The inner wall of the floating seat 1 is provided with an internal thread 11, the outer wall of each oil seal pipe 4 is provided with an external thread 12, each external thread 12 is matched with the internal thread 11, by setting the internal thread 11 and the external thread 12, thereby ensuring that the two oil seal pipes 4 can be smoothly threaded into the inside of the floating seat 1.

[0031] In order to facilitate the user to rotate the plurality of positioning screws 7, as shown in Figures 1-3 The other end of each positioning screw 7 is fixedly provided with a knob 13, by setting the knob 13, thereby facilitating the user to rotate the plurality of positioning screws 7.

[0032] In order to facilitate the user to rotate the knob 13, as shown in Figures 1-3 And Figure 5 The inside of the high temperature resistant layer 9 is provided with a plurality of second installation ports 14, each second installation port 14 is communicated with the adjacent first installation port 5, by setting the second installation port 14, thereby facilitating the user to rotate the knob 13.

[0033] Finally, in order to ensure that the two sealing rings 2 can have good sealing performance, as shown in Figure 4As shown, each sealing ring 2 is a silica gel ring, both sealing rings are made of silica gel material, and the silica rubber has good high temperature resistance, thereby ensuring that both sealing rings 2 can have good sealing performance.

[0034] The above only describes some exemplary embodiments of the utility model in a manner of illustration, without doubt, for ordinary skilled in the art, under the condition that the spirit and scope of the utility model are not deviated, the described embodiments can be modified in various different ways, therefore, the above drawing and description are illustrative in nature, should not be understood as the limitation of the utility model claim protection scope.

Claims

1. A split floating oil seal ring comprising a floating seat (1), two sealing rings (2) and two oil seal rings (3), characterized in that, The inner thread sleeve of the floating seat (1) is provided with two oil seal pipes (4), each of the sealing rings (2) is fixedly arranged at one end of the corresponding oil seal pipe (4), each of the oil seal rings (3) is fixedly arranged at the other end of the corresponding oil seal pipe (4), the outer wall of each of the sealing rings (2) and the outer wall of each of the oil seal rings (3) are in close contact with the inner wall of the floating seat (1), a plurality of first installation openings (5) are arranged in the inner wall of the floating seat (1), the inner wall of each of the first installation openings (5) is fixedly provided with an installation plate (6), the inner part of each of the installation plates (6) is movably sleeved with a positioning screw rod (7), the side wall of each of the oil seal pipes (4) is provided with a plurality of positioning grooves (8), and one end of each of the positioning screw rods (7) is inserted into the inner part of the corresponding positioning groove (8).

2. The split floating oil seal ring of claim 1, wherein, The outer wall of the floating seat (1) is fixedly provided with a high-temperature-resistant layer (9), and the high-temperature-resistant layer (9) is a tungsten carbide layer.

3. The split floating oil seal ring of claim 1, wherein, The side wall of each of the oil seal rings (3) is fixedly provided with a wear-resistant layer (10), and the wear-resistant layer (10) is polytetrafluoroethylene.

4. The split floating oil seal ring of claim 1, wherein, The inner wall of the floating seat (1) is provided with an inner thread (11), the outer wall of each of the oil seal pipes (4) is provided with an outer thread (12), and each of the outer threads (12) is matched with the inner thread (11).

5. The split floating oil seal ring of claim 1, wherein, The other end of each of the positioning screw rods (7) is fixedly provided with a knob (13).

6. The split floating oil seal ring of claim 2, wherein, The inner part of the high-temperature-resistant layer (9) is provided with a plurality of second installation openings (14), and each of the second installation openings (14) is communicated with the adjacent first installation opening (5).

7. The split floating oil seal ring of claim 1, wherein, Each of the sealing rings (2) is a silica gel ring.