CN216642818U

CN216642818U - Sealing ring for generator bearing

Info

Publication number: CN216642818U
Application number: CN202123174166.XU
Authority: CN
Inventors: 刘文中
Original assignee: Shandong Qingjie Energy Engineering Co ltd
Current assignee: Shandong Qingjie Energy Engineering Co ltd
Priority date: 2021-12-16
Filing date: 2021-12-16
Publication date: 2022-05-31
Anticipated expiration: 2031-12-16

Abstract

The utility model discloses a sealing ring for a generator bearing, which comprises a bearing inner ring, a framework, a sealing ring main body, a bearing outer ring, an outer ring clamping groove and an inner ring clamping groove, wherein two sealing ring main bodies are arranged between the bearing inner ring and the bearing outer ring, the framework is arranged in the sealing ring main body and is of an annular structure, the inner ring clamping grooves are respectively formed in the outer walls of the two sides of the bearing inner ring, the inner rings of the two sealing ring main bodies are correspondingly clamped with the two inner ring clamping grooves respectively, the outer ring clamping grooves are respectively formed in the inner walls of the two sides of the bearing outer ring, the outer rings of the two sealing ring main bodies are correspondingly clamped with the two outer ring clamping grooves respectively, and the sealing ring main body comprises: the main air cushion, the dust lip, the direction waist, the fixture block, joint air cushion, elastic block, vice lip, main lip and direction air cushion. The utility model overcomes the defects of the prior art and can increase the connection stability and the sealing property of the sealing ring main body.

Description

Sealing ring for generator bearing

Technical Field

The utility model relates to the technical field of sealed bearings, in particular to a sealing ring for a generator bearing.

Background

Bearing seal circle is a ball bearing seal circle, and ball bearing seal circle upwards extends two circular shape archs on annular terminal surface, the less bellied internal diameter of diameter cooperate with ball bearing's inner circle external diameter, the great arch of diameter cooperate with ball bearing's ball circle external diameter, the operating mode condition that sealing bearing used is generally relatively poor, need have good dustproof and waterproof's requirement, the structural design of sealing washer has very big influence to the sealing performance of bearing, this patent provides one kind can increase sealing washer connection stability and leakproofness's sealing washer.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem of overcoming the defects of the prior art and provides a sealing ring for a generator bearing, which can improve the connection stability and the sealing property of a sealing ring main body.

In order to solve the technical problems, the technical scheme provided by the utility model is as follows: the utility model provides a sealing washer for generator bearing, it includes bearing inner race, skeleton, sealing washer main part bearing inner race, outer lane draw-in groove and inner circle draw-in groove, be provided with two sealing washer main parts between bearing inner race and the bearing inner race, the inside of sealing washer main part is provided with the skeleton, the skeleton is ring structure, the inner circle draw-in groove has all been opened on the both sides outer wall of bearing inner race, two the inner circle of sealing washer main part respectively with two the corresponding block of inner circle draw-in groove, all open the outer lane draw-in groove on the both sides inner wall of bearing inner race, two the outer lane of sealing washer main part respectively with two the corresponding block of outer lane draw-in groove, the sealing washer main part includes: the sealing ring comprises a main air cushion, a dust lip, a guide waist part, a clamping block, a clamping air cushion, an elastic block, an auxiliary lip, a main lip and a guide air cushion, wherein the outer ring of the sealing ring main body is provided with the clamping block, the clamping block is of an annular structure, the clamping block is correspondingly clamped with an outer ring clamping groove, the annular clamping air cushion is arranged on the clamping block, the inner ring of the sealing ring main body is provided with an annular guide waist part, the end part of the guide waist part is provided with an annular main lip, the main lip extends towards the direction inside the inner ring clamping groove in an inclined manner and is correspondingly clamped with the inner ring clamping groove, the main air cushion is arranged on the end part of the main lip, the main air cushion and the inner ring clamping groove are correspondingly supported, the inner wall of the guide waist part is provided with an annular auxiliary lip, the section of the auxiliary lip is trapezoidal, the auxiliary lip is positioned outside the inner ring clamping groove and corresponds to the outer wall of the bearing inner ring, the outer wall of the guide waist part is provided with the annular dust lip, the dustproof lip is located outside the inner ring clamping groove, a guide air cushion is arranged on the dustproof lip, and the guide air cushion is correspondingly supported against the inner wall of the bearing inner ring.

Furthermore, the end part of the clamping block is obliquely bent towards the direction outside the outer ring clamping groove, the clamping air cushion is close to the inside of the outer ring clamping groove, the clamping air cushion and the outer ring clamping groove are correspondingly abutted to support, the clamping block and the outer ring clamping groove can be correspondingly clamped, and the clamping air cushion and the outer ring clamping groove are correspondingly abutted to support for clamping connection, so that the connection stability of the sealing ring main body and the bearing outer ring can be enhanced.

Furthermore, be provided with annular elastic block on the fixture block, the elastic block is located the outside of outer lane draw-in groove, and corresponding with the inner wall of bearing inner race, can carry out spacing fixed to the outer lane draw-in groove through elastic block cooperation fixture block.

Furthermore, the section of the elastic block is in a right trapezoid shape, and the elastic block can be limited and fixed.

Furthermore, the guide waist part extends towards the center of the bearing inner ring in an inclined mode, an included angle smaller than 90 degrees is formed between the force application direction of the bearing inner ring and the surface of the bearing inner ring through bending of the guide waist part, and therefore friction torque of the bearing inner ring can be increased.

Furthermore, the dust lip extends towards the direction of the outer wall of the bearing inner ring in an inclined mode, is in contact with the bearing inner ring, and can be attached to the bearing inner ring through the dust lip and abutted to the bearing inner ring, so that dust can be prevented.

Compared with the prior art, the utility model has the advantages that: the clamping air cushion and the main air cushion are correspondingly propped and clamped against the inner ring clamping groove through the matching of the main air cushion and the main lip, and the clamping block and the clamping air cushion are correspondingly clamped against the outer ring clamping groove through the matching, so that the connection stability and the sealing property of the sealing ring main body can be improved; the guide air cushion and the dust lip are attached to and supported by the dust lip and the bearing inner ring, so that dust is prevented.

Drawings

Fig. 1 is a schematic structural view in a use state of the present invention.

Fig. 2 is a schematic structural diagram of the present invention.

Fig. 3 is a partial structural schematic diagram of the present invention.

Fig. 4 is a front view of the present invention.

As shown in the figure: 1. a bearing inner race; 2. a main air cushion; 3. a dust lip; 4. guiding to the waist; 5. a framework; 6. a seal ring main body; 7. a clamping block; 8. an outer race of the bearing; 9. an outer ring clamping groove; 10. clamping the air cushion; 11. an elastic block; 12. the minor lip; 13. a main lip; 14. a guide air cushion; 15. and an inner ring clamping groove.

Detailed Description

In the description of the present invention, it is to be understood that the terms "center", "lateral", "upper", "lower", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., indicate orientations or positional relationships based on those shown in the drawings, and are used only for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified. Furthermore, the term "comprises" and any variations thereof is intended to cover non-exclusive inclusions.

The present invention will be described in further detail with reference to the accompanying drawings.

The utility model is implemented in detail, the sealing ring for the generator bearing comprises a bearing inner ring 1, a framework 5, a sealing ring main body 6, a bearing outer ring 8, an outer ring clamping groove 9 and an inner ring clamping groove 15, wherein two sealing ring main bodies 6 are arranged between the bearing inner ring 1 and the bearing outer ring 8, the framework 5 is arranged inside the sealing ring main body 6, the framework 5 is of an annular structure, the inner ring clamping grooves 15 are respectively arranged on the outer walls of the two sides of the bearing inner ring 1, the inner rings of the two sealing ring main bodies 6 are respectively clamped with the two inner ring clamping grooves 15 correspondingly, the outer ring clamping grooves 9 are respectively arranged on the inner walls of the two sides of the bearing outer ring 8, the outer rings of the two sealing ring main bodies 6 are respectively clamped with the two outer ring clamping grooves 9 correspondingly, and the sealing ring main body 6 comprises: main air cushion 2, dustproof lip 3, direction waist 4, fixture block 7, joint air cushion 10, elastic block 11, vice lip 12, main lip 13 and direction air cushion 14, the outer lane of sealing washer main part 6 is provided with fixture block 7, fixture block 7 is the annular structure, fixture block 7 and the corresponding block of outer lane draw-in groove 9, the tip of fixture block 7 is bent to the outside direction slope of outer lane draw-in groove 9, be provided with annular joint air cushion 10 on the fixture block 7, joint air cushion 10 is close to the inside of outer lane draw-in groove 9, joint air cushion 10 and the corresponding support of outer lane draw-in groove 9 can make the corresponding block of fixture block and outer lane draw-in groove, and joint air cushion and the corresponding support of outer lane draw-in groove carry out the block to can strengthen the stability of being connected of sealing washer main part and bearing inner race. The fixture block 7 is provided with an annular elastic block 11, the section of the elastic block 11 is in a right trapezoid shape, the elastic block 11 is located outside the outer ring clamping groove 9 and corresponds to the inner wall of the bearing outer ring 8, and the elastic block is matched with the fixture block to limit and fix the outer ring clamping groove. The inner circle of sealing washer main part 6 is provided with annular direction waist 4, direction waist 4 extends to the direction slope at 1 center of bearing inner circle, the tip of direction waist 4 is provided with annular main lip 13, main lip 13 extends to the inside direction slope of inner circle draw-in groove 15, and with the corresponding block of inner circle draw-in groove 15, be provided with main air cushion 2 on the tip of main lip 13, main air cushion 2 supports with inner circle draw-in groove 15 is corresponding to supporting, can cooperate through main air cushion and main lip to support the joint to the inner circle draw-in groove is corresponding, and the corresponding joint of fixture block and joint air cushion cooperation to the outer circle draw-in groove to can increase the connection stability and the leakproofness of sealing washer main part. Be provided with annular vice lip 12 on the inner wall of direction waist 4, the cross-section of vice lip 12 is trapezoidal, vice lip 12 is located the outside of inner circle draw-in groove 15, and corresponding with bearing inner circle 1's outer wall, be provided with annular dust lip 3 on the outer wall of direction waist 4, dust lip 3 is located the outside of inner circle draw-in groove 15, dust lip 3 extends to the direction slope of 1 outer wall of bearing inner circle, and contacts with bearing inner circle 1, can support through laminating mutually of dust lip and bearing inner circle to this prevents dust.

The working principle of the utility model is as follows: the clamping block 7 is used for clamping and connecting the outer ring clamping groove 9, the clamping air cushion 10 on the clamping air cushion is correspondingly supported by the outer ring clamping groove 9, the main lip 13 is correspondingly clamped by the inner ring clamping groove 15, the main air cushion 2 on the main lip 13 is correspondingly supported by the inner ring clamping groove 15, so that the connection stability and the sealing property of the sealing ring main body can be improved, the dust-proof lip 3 is matched with the guide air cushion 14 and is attached to and supported by the bearing inner ring 1, and the dust-proof lip 3 and the bearing inner ring 1 can be attached to and supported by the dust-proof lip 3, so that dust prevention is realized.

The present invention and its embodiments have been described above, and the description is not intended to be limiting, and the drawings are only one embodiment of the present invention, and the actual structure is not limited thereto. In summary, those skilled in the art should appreciate that they can readily use the disclosed conception and specific embodiments as a basis for designing or modifying other structures for carrying out the same purposes of the present invention without departing from the spirit and scope of the utility model as defined by the appended claims.

Claims

1. The utility model provides a sealing washer for generator bearing which characterized in that: it includes bearing inner circle (1), skeleton (5), sealing washer main part (6) bearing inner race (8), outer lane draw-in groove (9) and inner circle draw-in groove (15), be provided with two sealing washer main parts (6) between bearing inner circle (1) and bearing inner race (8), the inside of sealing washer main part (6) is provided with skeleton (5), skeleton (5) are the loop configuration, inner circle draw-in groove (15), two have all been opened on the both sides outer wall of bearing inner circle (1) the inner circle of sealing washer main part (6) respectively with two the corresponding block of inner circle draw-in groove (15), all opened outer lane draw-in groove (9) on the both sides inner wall of bearing inner race (8), two the outer lane of sealing washer main part (6) respectively with two the corresponding block of outer lane draw-in groove (9), sealing washer main part (6) includes: the sealing ring is characterized by comprising a main air cushion (2), a dust-proof lip (3), a guide waist (4), a clamping block (7), a clamping air cushion (10), an elastic block (11), an auxiliary lip (12), a main lip (13) and a guide air cushion (14), wherein the clamping block (7) is arranged on the outer ring of the sealing ring main body (6), the clamping block (7) is of an annular structure, the clamping block (7) and an outer ring clamping groove (9) are correspondingly clamped, the annular clamping air cushion (10) is arranged on the clamping block (7), the annular guide waist (4) is arranged on the inner ring of the sealing ring main body (6), the annular main lip (13) is arranged at the end part of the guide waist (4), the main lip (13) extends towards the inner direction of the inner ring clamping groove (15) in an inclined manner and is correspondingly clamped with the inner ring clamping groove (15), the main air cushion (2) is arranged at the end part of the main lip (13), and the main air cushion (2) and the inner ring clamping groove (15) are correspondingly supported, be provided with annular vice lip (12) on the inner wall of direction waist (4), the cross-section of vice lip (12) is trapezoidal, vice lip (12) are located the outside of inner circle draw-in groove (15), and corresponding with the outer wall of bearing inner circle (1), be provided with annular dustproof lip (3) on the outer wall of direction waist (4), dustproof lip (3) are located the outside of inner circle draw-in groove (15), be provided with direction air cushion (14) on dustproof lip (3), the corresponding support of inner wall of direction air cushion (14) and bearing inner circle (1).

2. A seal ring for a bearing of a generator according to claim 1, wherein: the end part of the clamping block (7) is obliquely bent towards the outer ring clamping groove (9), the clamping air cushion (10) is close to the inner part of the outer ring clamping groove (9), and the clamping air cushion (10) and the outer ring clamping groove (9) are correspondingly supported.

3. A seal ring for a bearing of a generator according to claim 1, wherein: the fixture block (7) is provided with an annular elastic block (11), and the elastic block (11) is located outside the outer ring clamping groove (9) and corresponds to the inner wall of the bearing outer ring (8).

4. A seal ring for a bearing of a generator according to claim 3, wherein: the section of the elastic block (11) is a right trapezoid.

5. A seal ring for a bearing of a generator according to claim 1, wherein: the guide waist part (4) extends obliquely towards the center of the bearing inner ring (1).

6. A seal ring for a bearing of a generator according to claim 1, wherein: the dust lip (3) extends towards the direction of the outer wall of the bearing inner ring (1) in an inclined mode and is in contact with the bearing inner ring (1).