CN203146590U - Sliding bearing for butterfly valve - Google Patents
Sliding bearing for butterfly valve Download PDFInfo
- Publication number
- CN203146590U CN203146590U CN 201320060919 CN201320060919U CN203146590U CN 203146590 U CN203146590 U CN 203146590U CN 201320060919 CN201320060919 CN 201320060919 CN 201320060919 U CN201320060919 U CN 201320060919U CN 203146590 U CN203146590 U CN 203146590U
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- CN
- China
- Prior art keywords
- bearing
- butterfly valve
- sliding bearing
- internal layer
- described bearing
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Abstract
The utility model relates to a sliding bearing for a butterfly valve. The sliding bearing comprises a bearing outer layer and a bearing inner layer casted on the inner wall of the bearing outer layer, wherein the inner wall of the bearing inner layer is provided with a spiral oil groove; and the bearing outer layer is made of carbon steel, alloy steel or cast iron, and the bearing inner layer is made of an anti-friction, high temperature resistant and low friction factor alloy material. The sliding bearing for the butterfly valve provided by the utility model has the advantages that the production manufacturing cost is controlled, the wear resistance, corrosion resistance, fire resisting quality and load-carrying capacity of the bearing are obviously improved, the service life of the butterfly valve is prolonged, and occurrence of the problems that the butterfly valve is clamped on the bearing and the like is reduced.
Description
Technical field
The utility model relates to a kind of butterfly valve sliding bearing, particularly relates to the sliding bearing on a kind of butterfly valve that is applied in the pipe-line systems such as metallurgy, chemical industry, the energy and municipal administration.
Background technique
Advantages such as the butterfly valve series products is simple in structure owing to having, it is little to take up room, early investment is few are widely used on the system pipelines such as metallurgy, chemical industry, the energy and municipal administration.But in use still there are short, problems such as the position of bearings is easy to wear, jam of life-span in this class valve.Through discovering, the main cause that causes the problems referred to above is because the sliding bearing quality problems at butterfly valve main shaft two ends cause.
Sliding bearing is installed on the two ends of butterfly valve main shaft in the use, and motion plays a part crucial to the main shaft gyration of butterfly valve.At present butterfly valve class sliding bearing mainly uses spheroidal graphite cast iron or whole alloy material, exists the friction factor height, wears no resistance, the life-span is short, load capacity is weak and problem such as cost height.
The model utility content
The technical problem that the utility model solves is to overcome shortcoming of the prior art, and a kind of butterfly valve sliding bearing of long service life is provided.
Butterfly valve of the present utility model comprises with sliding bearing: bearing skin and the bearing internal layer that casts on the outer field inwall of described bearing offer helical oil groove on the inwall of described bearing internal layer.
As preferably, described bearing skin is made by carbon steel, alloyed steel or cast iron, and described bearing internal layer is made by rub resistance, alloy material high temperature resistant, low coefficient of friction.
As further preferred, described bearing skin and described bearing internal layer combine by centrifugally cast mode.
As preferably, the degree of depth of described helical oil groove is 1 to 3 millimeter.
As preferably, the outer field exterior edge face of described bearing is provided with a plurality of tapped holes for dismounting.
Butterfly valve of the present utility model is compared with prior art with sliding bearing, has following beneficial effect: under the prerequisite of control manufacturing cost, wear resistance, corrosion resistance, heat-resisting quantity and the load capacity of bearing are significantly improved; And prolong the working life of butterfly valve, reduce the appearance of problems such as bearing place jam.
Description of drawings
Fig. 1 is the sectional view that an embodiment's of the utility model butterfly valve is used sliding bearing.
Fig. 2 is the right elevation that an embodiment's of the utility model butterfly valve is used sliding bearing.
Fig. 3 is the stereogram that an embodiment's of the utility model butterfly valve is used sliding bearing.
Reference character
Outer 2 bearing internal layers, 3 tapped holes of 1 bearing 4 helical oil grooves
Embodiment
Referring to Fig. 1 to Fig. 3, an embodiment's of the present utility model butterfly valve sliding bearing, comprise bearing outer 1 and bearing internal layer 2, bearing internal layer 2 casts on the inwall of bearing skin 1 by centrifugally cast mode, offer helical oil groove 4 on the inwall of bearing internal layer 2, thereby be used for injecting lubricant oil the bearing surface of contact is lubricated, in the present embodiment, the degree of depth of helical oil groove 4 is generally 1 to 3 millimeter, and this degree of depth is preferably 2 millimeters.Bearing skin 1 is made by carbon steel, alloyed steel or cast iron, when the load main shaft rotates, to guarantee enough intensity, bearing internal layer 2 is made by rub resistance, alloy material high temperature resistant, low coefficient of friction, thereby improves wear resistance, corrosion resistance, the heat-resisting quantity of sliding bearing and further improve the load capacity of sliding bearing.
In addition, the exterior edge face of bearing skin 1 is provided with a plurality of tapped holes 3 for field-strip.
Above embodiment is exemplary embodiment of the present utility model only, is not used in restriction the utility model, and protection domain of the present utility model is defined by the claims.Those skilled in the art can make various modifications or be equal to replacement the utility model in essence of the present utility model and protection domain, this modification or be equal to replacement and also should be considered as dropping in the protection domain of the present utility model.
Claims (5)
1. a butterfly valve sliding bearing is characterized in that, comprising: bearing skin and the bearing internal layer that casts on the outer field inwall of described bearing offer helical oil groove on the inwall of described bearing internal layer.
2. butterfly valve sliding bearing according to claim 1 is characterized in that, described bearing skin is made by carbon steel, alloyed steel or cast iron, and described bearing internal layer is made by rub resistance, alloy material high temperature resistant, low coefficient of friction.
3. butterfly valve sliding bearing according to claim 2 is characterized in that, described bearing skin and described bearing internal layer combine by centrifugally cast mode.
4. butterfly valve sliding bearing according to claim 1 is characterized in that, the degree of depth of described helical oil groove is 1 to 3 millimeter.
5. butterfly valve sliding bearing according to claim 1 is characterized in that, the outer field exterior edge face of described bearing is provided with a plurality of tapped holes for dismounting.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320060919 CN203146590U (en) | 2013-02-01 | 2013-02-01 | Sliding bearing for butterfly valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320060919 CN203146590U (en) | 2013-02-01 | 2013-02-01 | Sliding bearing for butterfly valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203146590U true CN203146590U (en) | 2013-08-21 |
Family
ID=48974116
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320060919 Expired - Fee Related CN203146590U (en) | 2013-02-01 | 2013-02-01 | Sliding bearing for butterfly valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203146590U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106641285A (en) * | 2015-10-29 | 2017-05-10 | 江苏中昊船用阀门制造有限公司 | Maintenance-free high-temperature-resisting butterfly valve |
| CN106641284A (en) * | 2015-10-28 | 2017-05-10 | 江苏海达船用阀业有限公司 | High-temperature-resistant double eccentric butterfly valve |
| CN106931172A (en) * | 2015-12-30 | 2017-07-07 | 江苏中昊船用阀门制造有限公司 | High temperature resistant three-eccentric-butterfly-valve |
| CN107131212A (en) * | 2016-09-24 | 2017-09-05 | 苏州高新区鼎正精密机电有限公司 | A kind of composite bush with damping wear-resisting functions |
-
2013
- 2013-02-01 CN CN 201320060919 patent/CN203146590U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106641284A (en) * | 2015-10-28 | 2017-05-10 | 江苏海达船用阀业有限公司 | High-temperature-resistant double eccentric butterfly valve |
| CN106641285A (en) * | 2015-10-29 | 2017-05-10 | 江苏中昊船用阀门制造有限公司 | Maintenance-free high-temperature-resisting butterfly valve |
| CN106931172A (en) * | 2015-12-30 | 2017-07-07 | 江苏中昊船用阀门制造有限公司 | High temperature resistant three-eccentric-butterfly-valve |
| CN107131212A (en) * | 2016-09-24 | 2017-09-05 | 苏州高新区鼎正精密机电有限公司 | A kind of composite bush with damping wear-resisting functions |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130821 Termination date: 20150201 |
|
| EXPY | Termination of patent right or utility model |