CN105134953A - Sealing member for rotor shaft of high-rotation-speed motor - Google Patents
Sealing member for rotor shaft of high-rotation-speed motor Download PDFInfo
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- CN105134953A CN105134953A CN201510542139.3A CN201510542139A CN105134953A CN 105134953 A CN105134953 A CN 105134953A CN 201510542139 A CN201510542139 A CN 201510542139A CN 105134953 A CN105134953 A CN 105134953A
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Abstract
The invention relates to a sealing member for a rotor shaft of a high-rotation-speed motor. The sealing member is a ring-shaped structure, comprises a hard positioning rib ring and an elastic sealing base ring, wherein the hard positioning rib ring is embedded into the elastic sealing base ring; the hard positioning rib ring and the elastic sealing base ring are coaxially distributed; the elastic sealing base ring comprises a positioning section and a sealing section; the positioning section and the sealing section are an integrated structure; the thickness of the sealing section is at least once that of the positioning section; at least two step surfaces are arranged on the inner surface of the positioning section; at least three elastic sealing baffle rings which are parallel to each other are arranged on the inner surface of the sealing section; an elastic sealing cavity is formed among the elastic sealing baffle rings; a tapered bulge is additionally arranged on the front end surface of the sealing section; and a positioning slot is additionally formed in the inner surface at the tail end of the positioning section. The sealing member can effectively overcome the defect that the sealing performance of a conventional sealing member is reduced when a motor shaft has radial jumping and axial movement during high-speed rotation, so that on one hand, wear loss of the sealing member is greatly reduced, on the other hand, the sealing reliability and stability of the high-speed motor operation are greatly improved.
Description
Technical field
The present invention relates to a kind of pot motor rotor shaft sealing part, belong to turning axle class water-tight equipment technical field.
Background technique
Along with the raising to equipment ride quality and working efficiency, the rotating speed of motor also improves thereupon, and have developed polytype high-speed electric expreess locomotive accordingly, in order to improve the ride quality of such high-speed electric expreess locomotive equipment, usually at present, be all provided with sealing configuration at its rotor shaft place, be used on the one hand reducing shaft member frictional loss, the pollutant avoiding device interior to lubricate in wet goods leakage or equipment operating environment on the other hand causes damage to equipment, in order to meet this needs, the a large amount of polytype Sealing of current outlet, but find in actual use, presently used Sealing mainly adopts easy elastic packing base protection reinforced metal silk, the structure of the supporters such as metal ring, although this structure effectively can meet the needs used, but its structure is relatively single and fixing, motor shaft is at high speed operation or when there is circular runout or axial float, current Sealing can not effectively adjust sealing configuration, thus result in sealability decline on the one hand, the structural damage that also result in Sealing is on the other hand serious, therefore for this present situation, in the urgent need to developing a kind of novel high-speed electric expreess locomotive sealing configuration, with the needs that satisfied reality uses.
Summary of the invention
For the deficiency that prior art exists, the invention provides a kind of pot motor rotor shaft sealing part, this new structure is simple, installation positioning precision is high, wear-resisting property is good, bearing capacity is strong, good seal performance, there is good elastic strain ability, thus effectively can overcome the drawback that when circular runout and axial float occur when motor shaft High Rotation Speed conventional seals, sealability declines, greatly reduce the deterioration of Sealing, extend the working life of Sealing, improve sealing reliability and the stability of high-speed electric expreess locomotive operation.
To achieve these goals, the present invention realizes by the following technical solutions:
A kind of pot motor rotor shaft sealing part, it is characterized in that: described pot motor rotor shaft sealing part is ring structure, comprise hard positioning bar ring and elastic packing basic ring, it is inner that wherein said hard positioning bar ring is embedded in elastic packing basic ring, and coaxially distribute; Described elastic packing basic ring comprises positioning section and seal section, and positioning section and seal section are integral type structure, described positioning section internal surface establishes at least two step surfaces, described seal section internal surface is established the elastic packing baffle ring of at least three mutual conducts, another formation elastic packing chamber between described elastic packing baffle ring, and in convex structure bottom elastic packing chamber, described seal section front-end face separately establishes taper protruding, and described positioning section end internal surface separately establishes locating slot.
According to above-mentioned a kind of pot motor rotor shaft sealing part, wherein, described elastic packing chamber width selfsealings section front-end face increases backward successively, and increase is no less than 1/2 of last elastic packing chamber width.
According to above-mentioned a kind of pot motor rotor shaft sealing part, wherein, described elastic packing baffle ring and elastic packing basic ring axis are 15 ° of-90 ° of angles.
According to above-mentioned a kind of pot motor rotor shaft sealing part, wherein, described seal section thickness is at least 1 times of positioning section thickness.
According to above-mentioned a kind of pot motor rotor shaft sealing part, wherein, the section of described hard positioning bar ring presents " T " font structure, and hard positioning bar ring distance elastic packing basic ring minimum range is not less than 1 millimeter.
This new structure is simple, installation positioning precision is high, wear-resisting property is good, bearing capacity is strong, good seal performance, simultaneously while guarantee sealing is stable, separately there is good elastic strain ability, thus effectively can overcome the drawback that when circular runout and axial float occur when motor shaft High Rotation Speed conventional seals, sealability declines, thus greatly reduce the deterioration of Sealing on the one hand, extend the working life of Sealing, also greatly improve sealing reliability and the stability of high-speed electric expreess locomotive operation on the other hand.
Accompanying drawing explanation
The present invention is described in detail below in conjunction with the drawings and specific embodiments;
Fig. 1 is this new structure schematic diagram.
Embodiment
The technological means realized for making the present invention, creation characteristic, reaching object and effect is easy to understand, below in conjunction with embodiment, setting forth the present invention further.
A kind of pot motor rotor shaft sealing part as described in Figure 1, for ring structure, comprise hard positioning bar ring 1 and elastic packing basic ring 2, wherein hard positioning bar ring 1 is embedded in elastic packing basic ring 2 inside, and coaxially distribute, the section of hard positioning bar ring 1 presents " T " font structure, and hard positioning bar ring 1 is not less than 1 millimeter apart from elastic packing basic ring 2 minimum range, elastic packing basic ring 2 comprises positioning section 21 and seal section 22, and positioning section 21 and seal section 22 are integral type structure, wherein seal section 22 thickness is at least 1 times of positioning section 21 thickness, positioning section 21 internal surface establishes at least two step surfaces 23, seal section 22 internal surface is established the elastic packing baffle ring 24 of at least three mutual conducts, and elastic packing baffle ring 24 and elastic packing basic ring 2 axis are 15 ° of-90 ° of angles, another formation elastic packing chamber 25 between elastic packing baffle ring 24, and in convex structure bottom elastic packing chamber 25, seal section 22 front-end face separately establishes taper projection 26, positioning section 21 end internal surface separately establishes locating slot 27.
In the present embodiment, wide 25 degree of selfsealings section 22 front-end faces in described elastic packing chamber increase backward successively, and increase is no less than 1/2 of last elastic packing chamber 25 width.
This new structure is simple, installation positioning precision is high, wear-resisting property is good, bearing capacity is strong, good seal performance, simultaneously while guarantee sealing is stable, separately there is good elastic strain ability, thus effectively can overcome the drawback that when circular runout and axial float occur when motor shaft High Rotation Speed conventional seals, sealability declines, thus greatly reduce the deterioration of Sealing on the one hand, extend the working life of Sealing, also greatly improve sealing reliability and the stability of high-speed electric expreess locomotive operation on the other hand.
More than show and describe basic principle of the present invention and major character and advantage of the present invention.The technician of the industry should understand; the present invention is not restricted to the described embodiments; what describe in above-described embodiment and specification just illustrates principle of the present invention; without departing from the spirit and scope of the present invention; the present invention also has various changes and modifications, and these changes and improvements all fall in the claimed scope of the invention.Application claims protection domain is defined by appending claims and equivalent thereof.
Claims (5)
1. a pot motor rotor shaft sealing part, it is characterized in that: described pot motor rotor shaft sealing part is ring structure, comprise hard positioning bar ring and elastic packing basic ring, it is inner that wherein said hard positioning bar ring is embedded in elastic packing basic ring, and coaxially distribute; Described elastic packing basic ring comprises positioning section and seal section, and positioning section and seal section are integral type structure, described positioning section internal surface establishes at least two step surfaces, described seal section internal surface is established the elastic packing baffle ring of at least three mutual conducts, another formation elastic packing chamber between described elastic packing baffle ring, and in convex structure bottom elastic packing chamber, described seal section front-end face separately establishes taper protruding, and described positioning section end internal surface separately establishes locating slot.
2. a kind of pot motor rotor shaft sealing part according to claim 1, is characterized in that, described elastic packing chamber width selfsealings section front-end face increases backward successively, and increase is no less than 1/2 of last elastic packing chamber width.
3. a kind of pot motor rotor shaft sealing part according to claim 1, is characterized in that, described elastic packing baffle ring and elastic packing basic ring axis are 15 ° of-90 ° of angles.
4. a kind of pot motor rotor shaft sealing part according to claim 1, is characterized in that, described seal section thickness is at least 1 times of positioning section thickness.
5. a kind of pot motor rotor shaft sealing part according to claim 1, is characterized in that, the section of described hard positioning bar ring presents " T " font structure, and hard positioning bar ring distance elastic packing basic ring minimum range is not less than 1 millimeter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510542139.3A CN105134953A (en) | 2015-08-28 | 2015-08-28 | Sealing member for rotor shaft of high-rotation-speed motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510542139.3A CN105134953A (en) | 2015-08-28 | 2015-08-28 | Sealing member for rotor shaft of high-rotation-speed motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105134953A true CN105134953A (en) | 2015-12-09 |
Family
ID=54720427
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510542139.3A Pending CN105134953A (en) | 2015-08-28 | 2015-08-28 | Sealing member for rotor shaft of high-rotation-speed motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105134953A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11293295B2 (en) | 2019-09-13 | 2022-04-05 | Pratt & Whitney Canada Corp. | Labyrinth seal with angled fins |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1205694A2 (en) * | 2000-11-09 | 2002-05-15 | RFT S.p.A. | Seal unit for mechanical members rotating relative to each other, in particular for foundry rollers |
| US20050073109A1 (en) * | 2003-10-07 | 2005-04-07 | Kaco Gmbh + Co. Kg | Radial Shaft Seal |
| CN200958606Y (en) * | 2006-09-14 | 2007-10-10 | 林祥雄 | Sealer apparatus |
| CN201987334U (en) * | 2011-01-30 | 2011-09-28 | 九阳股份有限公司 | Shaft sealing part and reliably-sealed soybean milk maker |
| CN202537201U (en) * | 2012-01-19 | 2012-11-21 | 九阳股份有限公司 | Shaft sealing part for soybean milk maker and reliably-sealed soybean milk maker |
| CN204016000U (en) * | 2014-06-18 | 2014-12-17 | 九阳股份有限公司 | The reliable soy bean milk making machine of a kind of sealing |
| CN204961818U (en) * | 2015-08-28 | 2016-01-13 | 昆山健博密封件科技有限公司 | High rotational speed electric motor rotor shaft seal piece |
-
2015
- 2015-08-28 CN CN201510542139.3A patent/CN105134953A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1205694A2 (en) * | 2000-11-09 | 2002-05-15 | RFT S.p.A. | Seal unit for mechanical members rotating relative to each other, in particular for foundry rollers |
| US20050073109A1 (en) * | 2003-10-07 | 2005-04-07 | Kaco Gmbh + Co. Kg | Radial Shaft Seal |
| CN200958606Y (en) * | 2006-09-14 | 2007-10-10 | 林祥雄 | Sealer apparatus |
| CN201987334U (en) * | 2011-01-30 | 2011-09-28 | 九阳股份有限公司 | Shaft sealing part and reliably-sealed soybean milk maker |
| CN202537201U (en) * | 2012-01-19 | 2012-11-21 | 九阳股份有限公司 | Shaft sealing part for soybean milk maker and reliably-sealed soybean milk maker |
| CN204016000U (en) * | 2014-06-18 | 2014-12-17 | 九阳股份有限公司 | The reliable soy bean milk making machine of a kind of sealing |
| CN204961818U (en) * | 2015-08-28 | 2016-01-13 | 昆山健博密封件科技有限公司 | High rotational speed electric motor rotor shaft seal piece |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11293295B2 (en) | 2019-09-13 | 2022-04-05 | Pratt & Whitney Canada Corp. | Labyrinth seal with angled fins |
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|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20151209 |