TWM636756U - Sealing rings for rotating shaft equipment - Google Patents

Abstract

A sealing ring for rotating shaft equipment, which is made of elastic material in a hollow ring shape and is used to be sleeved on a rotating shaft. The sealing ring has a ring base formed around the radial direction, and the ring base is used to position the ring on the shaft. On the rotating shaft, an abutting surface is defined on one side of the ring base, and the other side of the ring base that is relatively far away from the abutting surface is inclined outwards to form a conical ring-shaped elastic abutment, One end of the resilient portion is integrally connected with the ring base, and the other end extends obliquely outward to form a free end, so that an included angle is formed between the resilient portion and the ring base.

Description

Sealing rings for rotating shaft equipment

This creation is related to the sealing ring used in the rotating shaft equipment, especially a sealing ring that can effectively prevent the leakage of lubricating oil.

Press, the known roller bearing seat is used to support a group of rotating shafts with predetermined rollers, so that the rotating shafts can rotate stably, and in order to reduce the rotational friction of the rotating shafts, so that the rotating shafts can rotate smoothly. The lubricating oil (such as butter) is filled in the bearing seat of the roller. However, when the shaft is running for a long time or at high speed, it is easy to cause the lubricating oil to liquefy and be lost, resulting in a lot of dirty oil left on the outer peripheral side of the bearing seat of the roller, and the roller bearing Block bearings can also lose their lubricating function due to loss of lubricating oil and cause mechanical failure.

Furthermore, the conventional roller bearing seat is mainly connected to the rotating shaft through its internal bearings. However, when the bearings are used for a period of time and wear occurs, it will cause irregular deflection of the rotating shaft during operation. At the same time, the oil seal sleeved on the rotating shaft to prevent the leakage of lubricating oil will also be deflected. In this way, there will be a gap between the oil seal and the place to be sealed, and the problem of lubricating oil leakage will be more serious. for serious.

In view of this, how to improve the above-mentioned problems is the primary issue that this creation intends to solve.

The main purpose of this invention is to provide a sealing ring for rotating shaft equipment, which can effectively prevent the leakage of lubricating oil.

In order to achieve the above-mentioned purpose, the invention provides a sealing ring for rotating shaft equipment, which is made of elastic material in a hollow ring shape and used to be sleeved on a rotating shaft. The sealing ring has a ring base formed around the radial direction. The ring base is used to position the ring beam on the rotating shaft, and defines an abutment surface on one side of the ring base, and the ring base extends outwardly on the other side relatively away from the abutment surface to form a tapered One end of the resilient part in the shape of a ring is integrally connected with the ring base, and the other end extends obliquely outward to form a free end, so that an included angle is formed between the resilient part and the ring base.

Preferably, the included angle is between 40 degrees and 60 degrees.

And above-mentioned object and advantage of this creation, it is not difficult to obtain in-depth understanding from the detailed description and accompanying drawing of following selected embodiment.

First of all, please refer to Figures 1-2. This invention provides a sealing ring 31 for rotating shaft equipment, which is a hollow ring made of elastic material, wherein:

The sealing ring 31 has a ring base 32 formed around the radial direction, and the ring base is positioned on a rotating shaft with a ring beam, and an abutment surface 321 is formed on one side of the ring base 32, and the ring The base 32 extends outwardly on the other side relatively far away from the abutting surface 321 to form a conical ring-shaped snap-on portion 33, one end of the snap-on portion 33 is integrally connected with the ring base portion 32, and the other end faces toward the ring base 32. Extend outward obliquely to form a free end, so that an included angle θ is formed between the spring-resisting portion 33 and the ring base 32. Preferably, the included angle θ is between 40° and 60°. The contact portion 33 can be easily deformed and reset relative to the ring base portion 32 .

Then please continue to refer to the 3rd and 4th figures, which are the actual application of the sealing ring 31 of this invention to a rotating shaft device, and the rotating shaft device has a body 11, which is hollow and in the shape of a shell. Its interior is formed with an accommodating space 12 connected to two opposite sides of the seat body 11, and the accommodating space 12 is respectively formed with a shoulder 13 on the inner peripheral wall facing the two opposite sides of the seat body 11, and a shoulder 13 is formed on the accommodating space 12. Two bearings 21 are provided in the space 12, and the two bearings 21 are arranged on one of the shoulders 13 respectively against each other, so that the two bearings 21 can be arranged at left and right intervals towards the two opposite sides of the seat body 11, and the two The bearings 21 respectively have coaxially provided connecting holes 211 for inserting a rotating shaft 41, and the two bearings 21 are respectively composed of an outer ring 22, an inner ring 23 and are arranged between the outer ring 22 and the inner ring 23. It is composed of a plurality of rolling elements 24, and the connecting hole 211 is formed by the inner ring 23, and the rolling elements 24 can be made of balls or rollers. The invention does not limit the type of rolling elements 24 here, and Two opposite sides of the seat body 11 are respectively connected with a cover plate 14 for closing the accommodating space 12, and each of the cover plates 14 can be locked and fixed on the seat body 11 through bolts (not shown in the figure). On the two opposite sides, and each of the cover plates 14 are provided with a perforation 141 for the two ends of the rotating shaft 41 to pass through.

Then take the two seal rings 31 to be sleeved on the rotating shaft 41 respectively, and the two seal rings 31 are respectively arranged between one of the bearings 21 and the cover plate 14 on the same side, that is, the two seal rings 31 are They are respectively sandwiched between one of the bearings 21 and the cover plate 14 on the same side, so that the two sealing rings 31 are symmetrically arranged in the accommodating space 12 of the seat body 11, and the two sealing rings 31 are respectively positioned on the rotating shaft 41 through their ring bases 32 circles, and are fully in close contact with the rotating shaft 41, and the two sealing rings 31 are relatively abutted against the two inner rings 23 of the second bearing 21 with their abutting surfaces 321 respectively. On the opposite outer side, its spring-resisting portion 33 abuts against two relative inner sides of each cover plate 14 respectively, and the two opposite inner sides of each cover plate 14 are respectively formed with a smooth flat surface 142 through a surface processing, so as to When the resilient portions 33 of the two sealing rings 31 abut against each other, good sealing and leak-proof effects can be provided.

And through the two bearings 21 respectively leaning against one of the shoulders 13, in addition to ensuring the ease of assembly, the two bearings 21 can support the rotating shaft 41 symmetrically and stably, providing high-precision dynamic balance force , and the sealing ring 31 provided by the present invention is respectively positioned on the rotating shaft 41 with its ring base 32 circles to fully fit the rotating shaft 41, and relatively abuts against the two bearings 21 with its abutting surface 321 The outer side of the inner ring 23 and the inner side of the smooth flat surface 142 of the cover plate 14 through the resilient part 33 can provide a good sealing and leak-proof effect; in addition, through the resilient part 33 has proper elasticity that can swing, deform and reset relative to the ring base 32, so it can be elastically deformed in response to the deflection of the rotating shaft 41, so as to ensure the sealing state between the spring-resisting portion 33 and the cover plate 14, and effectively avoid gaps caused by resulting in oil leakage problems.

However, the disclosure of the above embodiments is only used to illustrate this creation, not to limit this creation, so any replacement of equivalent components should still belong to the scope of this creation.

To sum up, those skilled in the art can understand that this creation can indeed achieve the above-mentioned purpose, and it actually complies with the provisions of the Patent Law, so they should file an application according to the law.

11: seat body 12:Accommodating space 13: Shoulder 14: cover plate 141: perforation 142: smooth flat surface 21: Bearing 211: Connection hole 22: outer ring 23: inner ring 24: rolling parts 31: sealing ring 32: ring base 321: face to face 33: Bouncing part 41: Shaft θ: included angle

Figure 1 is a schematic diagram of the three-dimensional appearance of this creation. Figure 2 is a schematic cross-sectional view of this creation. Figure 3 is a schematic diagram of the use state of this creation. Fig. 4 is a partially enlarged schematic diagram of Fig. 3 .

31: sealing ring

32: ring base

321: face to face

33: Bouncing part

Claims (2)

A sealing ring for rotating shaft equipment, which is made of elastic material in a hollow ring shape and is used to be sleeved on a rotating shaft. The sealing ring has a ring base formed around the radial direction, and the ring base is used to position the ring on the shaft. On the rotating shaft, an abutting surface is defined on one side of the ring base, and the other side of the ring base that is relatively far away from the abutting surface is inclined outwards to form a conical ring-shaped elastic abutment, One end of the resilient portion is integrally connected with the ring base, and the other end extends obliquely outward to form a free end, so that an included angle is formed between the resilient portion and the ring base. The seal ring for rotating shaft equipment according to claim 1, wherein the included angle is between 40° and 60°.

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