CN202746655U - Automatic lubricating type dome valve - Google Patents
Automatic lubricating type dome valve Download PDFInfo
- Publication number
- CN202746655U CN202746655U CN 201220392407 CN201220392407U CN202746655U CN 202746655 U CN202746655 U CN 202746655U CN 201220392407 CN201220392407 CN 201220392407 CN 201220392407 U CN201220392407 U CN 201220392407U CN 202746655 U CN202746655 U CN 202746655U
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- Prior art keywords
- dome
- rotating shaft
- valve
- self
- valve body
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- Expired - Fee Related
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Abstract
The utility model discloses an automatic lubricating type dome valve which comprises a valve body and a dome capable of being matched with a valve port of the valve body, wherein two ends of the dome are respectively and fixedly provided with a rotating shaft which is in parallel with the axial lead, through holes where the rotating shafts can correspondingly and cooperatively penetrate are arranged on the valve body, the rotating shafts are rotatablely arranged in the through holes, the through holes are internally provided with self-lubricating shaft sleeves by means of interference fit, the rotating shafts rotatablely penetrate into the self-lubricating shaft sleeves along the axial direction, and the self-lubricating shaft sleeves can uninterruptedly and slowly outwards leak oil, so that the lubricating status between the self-lubricating shaft sleeves and the rotating shafts can be kept. When the dome valve is used, the lubricating oil does not need to be periodically added by workers, so that the maintenance cost of products can be greatly reduced, the wear caused by the non-timely adding of the lubricating oil can be avoided, and the service life of the dome valve can be prolonged.
Description
Technical field
The utility model relates to a kind of self oiling type dome valve.
Background technique
Dome valve can effectively open and close rapidly to carry out bulk cargo and block as a kind of novel bulk cargo special valve, is widely used at present the industries such as metallurgy, cement, electric power, chemical industry, building materials, food.Dome valve generally comprises valve body, is arranged on the dome on the valve body, dome generally is arranged on the valve body by driving shaft, driven shaft rotationally, rotate to drive the rotation of dome in valve body by driving driving shaft, thereby its position in valve body is adjusted and adjusted the open and-shut mode of valve port.In the prior art, driving shaft, driven shaft are installed in rotationally by bearing in the hole of valve body, and in the process of dome valve work, driving shaft, driven shaft need to rotate continually, can produce wearing and tearing between driving shaft, driven shaft and the bearing, generally need between it, add lubricant oil and reduce wearing and tearing.At present, adding lubricant oil generally is to realize lubricating by oiling in oil hole, and such mode is used comparatively inconvenience, and when the not regular charging-up lubricant oil of operator, causes easily the too early wearing and tearing of bearing, affects the working life of dome valve.
Summary of the invention
The purpose of this utility model provides a kind of self oiling type dome valve that can lubricating by oneself, and this dome valve in use need not charging-up lubricant oil, and it is low to have reduced its maintenance cost.
For achieving the above object, the technical solution adopted in the utility model is: a kind of self oiling type dome valve, comprise valve body, the dome that can match with the valve port of described valve body, the two ends of described dome are provided with respectively the rotating shaft that shaft axis is parallel to each other regularly, offer the through hole that penetrates on the described valve body with supplying described rotating shaft corresponding matching, described rotating shaft can be arranged in the described through hole rotationally, be provided with to interference fit self lubrication bearing in the described through hole, described rotating shaft can be located in the described self lubrication bearing vertically rotationally.
Preferably, be arranged with the shaft seal of at least one ring-type in the described rotating shaft, described shaft seal in described through hole between described self lubrication bearing and described dome.
Further preferably, also be arranged with the back-up ring of ring-type in the described rotating shaft, described back-up ring is arranged on the described through hole end relative with described dome.
Preferably, described rotating shaft passes on the end of described through hole and also is provided with limited part, and the cross sectional area of described limited part also is provided with V-shaped seal ring greater than the cross sectional area of described rotating shaft between the outer side surface of described limited part and described valve body.
Because the utilization of technique scheme, the utility model compared with prior art has following advantages: self oiling type dome valve of the present utility model, wherein cooperate with rotating shaft by self oiling profile shaft cover is set, thus self lubrication bearing can be incessantly, keep lubricating status between outside oil impregnate and the rotating shaft lentamente.This dome valve need not to greatly reduce the maintenance cost of product by manually removing regular charging-up lubricant oil in the process of using again, and has also avoided in time not adding lubricant oil and the wearing and tearing that cause the working life of having improved dome valve.
Description of drawings
Accompanying drawing 1 is the main TV structure schematic representation of dome valve of the present utility model;
Accompanying drawing 2 be in the accompanying drawing 1 A-A to cross-sectional schematic;
Accompanying drawing 3 is B section enlarged diagram in the accompanying drawing 2.
Embodiment
Come the technical solution of the utility model is further elaborated below in conjunction with accompanying drawing.
Shown in Fig. 1～3, a kind of self-lubricating type dome valve, this dome valve comprise valve body 1, the dome 3 that can match with the valve port of valve body 1, and the two ends of dome 3 are provided with respectively rotating shaft 4 regularly, and the shaft axis of the rotating shaft 4 at two ends is arranged in parallel.Also offer two through holes 5 on the valve body 1, the rotating shaft 4 at two ends can be located in above-mentioned two through holes 5 accordingly and it can arrange in through hole 5 rotationally.In two rotating shafts 4, the output terminal of one of them rotating shaft 4 and rotary type cylinder 2 is in transmission connection and mutually as driving shaft, another rotating shaft 4 is driven shaft, drive rotating shaft 4 rotations by rotatablely moving of rotary type cylinder 2 output terminals, thereby so that dome 3 is rotated to adjust the matching relationship of itself and valve port in valve body 1, and then adjust the open and-shut mode of valve port.
Shown in Fig. 2,3, be provided with to interference fit self lubrication bearing 6 in the through hole 5, rotating shaft 4 can be located in the self lubrication bearing 6 vertically rotationally, and like this, when rotating shaft 4 was rotated, rotating shaft 4 was rotated in self lubrication bearing 6.Self lubrication bearing 6 can be selected the powder metallurgy axle sleeve, it is that the alloy (nickeliferous, chromium) of special formulation mixes with special grease to suppress by special technique and forms that this powder metallurgy axle sleeve adopts material, finished product can be incessantly, slow oil impregnate outward, thereby play the effect of lubricated rotating shaft, about 3-5 of its oil impregnate cycle, this axle sleeve also is known as automatic oil impregnate axle sleeve.Like this, can keep lubricating status between in use rotating shaft 4 and the self lubrication bearing 6, dome valve in use need not again by manually removing regular charging-up lubricant oil, greatly reduce the maintenance cost of product, the wearing and tearing of also having avoided in time not adding lubricant oil and having caused, the working life of having improved dome valve.
Shown in Fig. 2,3, spill outside the through hole 5 in order to prevent the lubricant oil that self lubrication bearing 6 oozes out, in through hole 5, be arranged with the shaft seal 7 of at least one ring-type in the rotating shaft 4, shaft seal 7 in through hole 5 between self lubrication bearing 6 and dome 3.Also be arranged with the back-up ring 8 of ring-type in the rotating shaft 4, back-up ring 8 is arranged on the relative end of through hole 5 and dome 3, can prevent effectively that like this material that fallen into by valve port or impurity from entering through hole 5 and affect the rotation of rotating shaft 4.Rotating shaft 4 passes on the end of through hole 5 and also is provided with limited part 9, the cross-section area of limited part 9 is greater than the cross-section area of rotating shaft 4, also be provided with V-shaped seal ring 210 between the outer side surface of limited part 9 and valve body 1, arranging so mainly is for the outer end of through hole 5 is sealed, and prevents that dust from entering in the through hole 5 and affect the rotation of rotating shaft 4.
Above-described embodiment only is explanation technical conceive of the present utility model and characteristics, and its purpose is to allow the personage who is familiar with technique can understand content of the present utility model and according to this enforcement, can not limit protection domain of the present utility model with this.All equivalences of doing according to the utility model Spirit Essence change or modify, and all should be encompassed within the protection domain of the present utility model.
Claims (4)
1. self oiling type dome valve, comprise valve body, the dome that can match with the valve port of described valve body, the two ends of described dome are provided with respectively the rotating shaft that shaft axis is parallel to each other regularly, offer the through hole that penetrates on the described valve body with supplying described rotating shaft corresponding matching, described rotating shaft can be arranged in the described through hole rotationally, it is characterized in that: be provided with to interference fit self lubrication bearing in the described through hole, described rotating shaft can be located in the described self lubrication bearing vertically rotationally.
2. a kind of self oiling type dome valve according to claim 1 is characterized in that: be arranged with the shaft seal of at least one ring-type in the described rotating shaft, described shaft seal in described through hole between described self lubrication bearing and described dome.
3. a kind of self oiling type dome valve according to claim 2, it is characterized in that: also be arranged with the back-up ring of ring-type in the described rotating shaft, described back-up ring is arranged on the described through hole end relative with described dome.
4. a kind of self oiling type dome valve according to claim 1, it is characterized in that: described rotating shaft passes on the end of described through hole and also is provided with limited part, the cross sectional area of described limited part also is provided with V-shaped seal ring greater than the cross sectional area of described rotating shaft between the outer side surface of described limited part and described valve body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220392407 CN202746655U (en) | 2012-08-08 | 2012-08-08 | Automatic lubricating type dome valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220392407 CN202746655U (en) | 2012-08-08 | 2012-08-08 | Automatic lubricating type dome valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202746655U true CN202746655U (en) | 2013-02-20 |
Family
ID=47706054
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220392407 Expired - Fee Related CN202746655U (en) | 2012-08-08 | 2012-08-08 | Automatic lubricating type dome valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202746655U (en) |
-
2012
- 2012-08-08 CN CN 201220392407 patent/CN202746655U/en not_active Expired - Fee Related
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130220 Termination date: 20210808 |