CN204628590U - Low leakage boat diesel engine high temperature butterfly valve - Google Patents
Low leakage boat diesel engine high temperature butterfly valve Download PDFInfo
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- CN204628590U CN204628590U CN201520350505.0U CN201520350505U CN204628590U CN 204628590 U CN204628590 U CN 204628590U CN 201520350505 U CN201520350505 U CN 201520350505U CN 204628590 U CN204628590 U CN 204628590U
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Abstract
The utility model discloses a kind of low leakage boat diesel engine high temperature butterfly valve, comprise valve body, valve plate is provided with in described valve body, the both sides of described valve plate are provided with sealing baffle, described valve plate and be provided with Sealing between sealing baffle described at least one, described Sealing one end is fixed on described valve plate or described sealing baffle.Sealing is fixed on sealing baffle or valve plate by the utility model, when valve opening is 0, the resiliently deformable of Sealing is relied on to complete sealing, sealing is better, and avoid sealing baffle and contact with the direct of valve plate, thus improve sealing, reduce the strict demand to valve plate and sealing baffle planeness, surface roughness, on valve plate and sealing baffle, a small amount of particulate matter sticks together and also can not bring obvious deterioration to sealing effect, has good sealing effect, advantage that reliability is high.
Description
Technical field
The utility model relates to valve field, is specifically related to a kind of low leakage boat diesel engine high temperature butterfly valve.
Background technique
Boat diesel engine high temperature butterfly valve is mainly used in the exhaust gas flow regulating diesel engine, and compared with other application of high temperature butterfly valve, boat diesel engine has leakage class and requires that high, vent systems vibrates the features such as strong level is high, exhaust gas particle thing content is large.Therefore, there is higher requirement the aspect such as sealing, vibration resistance, reliability of boat diesel engine to high temperature butterfly valve.
Domestic not yet exploitation is at present specifically applied to the high temperature butterfly valve of boat diesel engine, and on market, the boat diesel engine high temperature butterfly valve of external import mainly contains without seal approach or adopts semicircle sealing.
Valve seal without seal approach is poor, and the deterioration degree of the boat diesel engine performance caused due to dielectric leakage after valve closing and discharge parameter is larger.The main sealing baffle that relies on of semicircle sealing has contacted sealing with the direct of valve seat.Semicircle sealing is higher to the planeness of sealing surface, surface roughness requirements, and boat diesel engine high temperature butterfly valve working environment is poor, particulate matter easily sticks together on valve sealing face, valve at high temperature works for a long time, sealing surface also easily deforms, and these factors all can worsen the sealing effect of valve.
Model utility content
Provide hereinafter about brief overview of the present utility model, to provide about the basic comprehension in some of the present utility model.Should be appreciated that this general introduction is not summarize about exhaustive of the present utility model.It is not that intention determines key of the present utility model or pith, neither intended limitation scope of the present utility model.Its object is only provide some concept in simplified form, in this, as the preorder in greater detail discussed after a while.
The object of the utility model embodiment is for the planeness to sealing surface of above-mentioned prior art, surface roughness requirements is higher, sealing is poor defect, a kind of strict demand that can reduce valve plate and sealing baffle planeness, surface roughness is provided, and it is higher to have reliability, the low leakage boat diesel engine high temperature butterfly valve of good sealing effect.
To achieve these goals, the technological scheme that the utility model is taked is:
A kind of low leakage boat diesel engine high temperature butterfly valve, comprise valve body, be provided with valve plate in described valve body, the both sides of described valve plate are provided with sealing baffle, described valve plate and be provided with Sealing between sealing baffle described at least one, described Sealing one end is fixed on described valve plate or described sealing baffle;
The valve rod on the connection top, one end of described valve plate, the other end connects the valve rod of bottom, the valve rod on top and/or be provided with storage space between the valve rod of bottom and described valve body, and described storage space is for holding particulate matter;
One end of described storage space is provided with the first seal ring, and the other end is provided with the second seal ring, and described first seal ring and the second seal ring are all between described valve rod and described valve body.
Compared with prior art, the beneficial effects of the utility model are:
Sealing is fixed on sealing baffle or valve plate by the utility model, when valve opening is 0, the resiliently deformable of Sealing is relied on to complete sealing, sealing is better, and avoid sealing baffle and contact with the direct of valve plate, thus improve sealing, reduce the strict demand to valve plate and sealing baffle planeness, surface roughness, on valve plate and sealing baffle, a small amount of particulate matter sticks together and also can not bring obvious deterioration to sealing effect, has good sealing effect, advantage that reliability is higher.
Accompanying drawing explanation
In order to be illustrated more clearly in the utility model embodiment or technological scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only embodiments more of the present utility model, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
The structural representation of the low leakage boat diesel engine high temperature butterfly valve that Fig. 1 provides for model utility embodiment;
Fig. 2 is I place enlarged view in Fig. 1;
Fig. 3 is that the A-A of Fig. 1 is to sectional view.
Reference character:
1, valve body; 2, axle sleeve; 3, cover plate; 4, bolt; 5, valve rod; 6, upper end cap; 7, filler; 8, pad; 9, spring; 10, the first seal ring; 11, valve plate; 12, screw; 13, lower end cap; 14, sealing baffle; 15, Sealing; 16, boss; 17, space; 18, through hole; 19, the second seal ring; 20, groove.
Embodiment
For making the object of the utility model embodiment, technological scheme and advantage clearly, below in conjunction with the accompanying drawing in the utility model embodiment, technological scheme in the utility model embodiment is clearly and completely described, obviously, described embodiment is the utility model part embodiment, instead of whole embodiments.The element described in an accompanying drawing of the present utility model or a kind of mode of execution and feature can combine with the element shown in one or more other accompanying drawing or mode of execution and feature.It should be noted that for purposes of clarity, accompanying drawing and eliminate expression and the description of parts that have nothing to do with the utility model, known to persons of ordinary skill in the art and process in illustrating.Based on the embodiment in the utility model, those of ordinary skill in the art are not paying the every other embodiment obtained under creative work prerequisite, all belong to the scope of the utility model protection.
See Fig. 1 and Fig. 2, a kind of low leakage boat diesel engine high temperature butterfly valve, comprise valve body 1, valve plate 11 is provided with in valve body 1, the both sides of valve plate 11 are provided with sealing baffle 14, be provided with Sealing 15 between valve plate 11 and at least one sealing baffle 14, Sealing 15 one end is fixed on valve plate 11 or sealing baffle 14;
The valve rod 5 on the connection top, one end of valve plate 11, the other end connects the valve rod 5 of bottom, the valve rod 5 on top and/or be provided with storage space 17 between the valve rod 5 of bottom and valve body 1, storage space 17 is arranged between the valve rod 5 on top and valve body 1, between the valve rod 5 of bottom and valve body 1 or have two storage space 17, namely at the valve rod 5 on top, a storage space 17 is set with valve body 1, arrange a storage space 17 between the valve rod 5 of bottom and valve body 1 again, storage space 17 is for holding particulate matter;
One end of storage space 17 is provided with the first seal ring 10, and the other end is provided with the second seal ring 19, first seal ring 10 and the second seal ring 19 all between valve rod 5 and valve body 1.
The utility model changes original rigid seal into elastic packing, good sealing effect, and after the utility model uses for a long time, changing Sealing effectively can improve sealing effect, less to the repair of sealing baffle.Low to the requirement on machining accuracy of sealing baffle and valve plate, sealing configuration is reliable, and the problem of seal failure not easily occurs.The sealing configuration of this butterfly valve has that sealed precision is high, good reliability, be convenient to the advantage of maintaining.Second seal ring penetrates in valve rod assembly for preventing particulate matter too much in medium, first seal ring is mainly used in infiltrating in storage space that the particulate matter of valve rod assembly controls to be formed at axle sleeve and valve rod, make butterfly valve of the present utility model have good airproof performance, advantage that reliability is high, the first seal ring and the second seal ring can be the seal ring of same structure.
Preferably, sealing baffle 14 offers groove 20, one end of Sealing 15 is arranged in groove 20.Sealing 15 is fixedly connected with sealing baffle 14.
When valve body is in the situation of certain aperture, valve body contacts with disengagement of seal member, when valve opening is 0 °, Sealing directly contacts with valve plate, the resiliently deformable of Sealing is relied on to ensure the sealing effectively of valve, there is good sealing effect, the advantage that the requirement on machining accuracy for sealing baffle and valve plate is low.
Can certainly offer groove 20 on valve plate 11, one end of Sealing 14 is arranged in groove 20.Namely Sealing 15 is fixedly connected with valve plate 11.
When valve body is in the situation of certain aperture, sealing baffle contacts with disengagement of seal member, and when valve opening is 0 °, Sealing directly contacts with sealing baffle, relies on the resiliently deformable of Sealing to ensure the sealing effectively of valve.Owing to arranging Sealing, reduce the machining accuracy of sealing baffle and valve plate, the planeness of valve plate and sealing baffle and surface roughness are not strict with.
Preferably, the cross section of Sealing 15 is Ω shape, and Sealing 15 is Ω shape Sealing, and the shape of groove 20 is consistent with the shape of the opening end of Ω shape Sealing, and the opening end of described Ω shape Sealing is arranged in groove 20.
Select Ω shape Sealing, fixing more firm, and Ω shape Sealing has good resiliently deformable, can better ensure that valve seals effectively.
Sealing 15 of the present utility model also can be semicircle Sealing.Also the effect of sealing can be reached.
Preferably, for reaching better sealing effect, between valve plate 11 and two sealing baffles 14, be equipped with Sealing 15.
See Fig. 3, the utility model embodiment is on the basis of above-described embodiment, on the valve rod 5 on top, and starting to arrange the second seal ring 19, axle sleeve 2, first seal ring 10, filler 7, pad 8, spring 9, pad 8, filler 7, upper end cap 6 and cover plate 3 successively near valve plate 11 end, cover plate 6 connects valve body 1 by bolt 4, and valve rod 5 is provided with boss 16, and spring 9 is set on valve rod 5, and being positioned on boss 16, boss 16 is between filler 7 and pad 8.The lower end of the valve rod 5 of bottom is provided with lower end cap 13, lower end cap 13 is provided with successively filler, the first seal ring 10, axle sleeve and the second seal ring 16.
In actual application of the present utility model, spring is mainly used in improving the vibration resistance of valve along valve rod axis direction.According to the difference of application vibration severity, regulate the bolt on cover plate, the pretightening force of control spring, while valve rod assembly can be made to keep excellent sealing, there is certain vibration resistance.
Second seal ring of the present utility model penetrates in valve rod assembly for preventing particulate matter too much in medium, first seal ring is mainly used in infiltrating in space that the particulate matter of valve rod assembly controls to be formed at axle sleeve and valve rod, make low leakage boat diesel engine high temperature butterfly valve of the present utility model have good airproof performance, advantage that reliability is high, the first seal ring and the second seal ring can be the seal ring of same structure.
Low leakage boat diesel engine high temperature butterfly valve of the present utility model is particularly useful in boat diesel engine, and the concrete structure of marine diesel engine high temperature butterfly valve of the present utility model is as follows:
This valve is made up of parts such as valve body, C oblique crank Z cover, cover plate, adjusting bolt, valve rod, upper end cap, filler, pad, spring, seal ring, valve plate, screw, lower end cap, sealing baffle, Ω shape Sealings, and the utility model each parts form of pressing respectively in accompanying drawing is processed, connected.
See Fig. 3, be provided with valve plate 11 in valve body 1, the both sides of valve plate 11 are provided with sealing baffle 14, are equipped with Sealing 15 between valve plate 11 and two sealing baffles 14, and Sealing 15 one end is fixed on sealing baffle 14.The valve rod 5 on top and be equipped with axle sleeve 2 between the valve rod 5 of bottom and valve body 1, is provided with space 17 between axle sleeve 2 and valve rod, through hole 18 is successively through valve body 1 and axle sleeve 2, and be connected with space 17, space 17 is for holding particulate matter, and through hole 18 is provided with screw 12.First seal ring 10 is positioned at one end of axle sleeve 2, and the second seal ring 19 is positioned at the other end of axle sleeve 2.
Space of the present utility model is particulate matter storage space.The C oblique crank Z of the utility model around particulate matter storage space overlaps and valve body offers through hole, through hole is and blows grey hole, after valve runs certain hour, open the screw of ash blowing mouth, pressurized air is utilized to carry out blowing ash, effectively alleviating particulate matter to the deterioration degree of valve torque, the overhaul period of valve can be extended.
Working medium of the present utility model flows through from valve body center, rotary valve rod controlling opening of valve, effectively can control the rate-of flow flowing out valve.
Low leakage boat diesel engine high temperature butterfly valve of the present utility model has preferably installed special Sealing on sealing baffle, after valve closing, Sealing directly contacts with valve plate, there is resiliently deformable, the sealing of sealing structure better and avoid baffle plate and contact with the direct of valve plate, thus the strict demand reduced valve plate and sealing baffle planeness, surface roughness, on valve plate and sealing baffle, a small amount of particulate matter sticks together and also can not bring obvious deterioration to sealing effect, reliability is higher, sealing effect is better
Low leakage boat diesel engine high temperature butterfly valve of the present utility model also has the long advantage of overhaul period; the surrounding valve body of particle storage space is offered and blows grey hole; pass through compressed air soot-blowing; particle content in effective reduction valve rod assembly; the harmful effect that in effective alleviation working medium, particulate matter causes valve reliability; reduce and stuck probability occurs, extend the overhaul period of valve.
Last it is noted that above embodiment is only in order to illustrate the technical solution of the utility model, be not intended to limit; Although be described in detail the utility model with reference to previous embodiment, those of ordinary skill in the art is to be understood that: it still can be modified to the technological scheme described in foregoing embodiments, or carries out equivalent replacement to wherein portion of techniques feature; And these amendments or replacement, do not make the essence of appropriate technical solution depart from the spirit and scope of each embodiment's technological scheme of the utility model.
Claims (8)
1. one kind low leakage boat diesel engine high temperature butterfly valve, comprise valve body, valve plate is provided with in described valve body, the both sides of described valve plate are provided with sealing baffle, it is characterized in that, described valve plate and be provided with Sealing between sealing baffle described at least one, described Sealing one end is fixed on described valve plate or described sealing baffle;
The valve rod on the connection top, one end of described valve plate, the other end connects the valve rod of bottom, the valve rod on top and/or be provided with storage space between the valve rod of bottom and described valve body, and described storage space is for holding particulate matter;
One end of described storage space is provided with the first seal ring, and the other end is provided with the second seal ring, and described first seal ring and the second seal ring are all between described valve rod and described valve body.
2. low leakage boat diesel engine high temperature butterfly valve according to claim 1, it is characterized in that, described sealing baffle offers groove, one end of described Sealing is arranged in described groove.
3. low leakage boat diesel engine high temperature butterfly valve according to claim 1, it is characterized in that, described valve plate offers groove, one end of described Sealing is arranged in described groove.
4. the low leakage boat diesel engine high temperature butterfly valve according to Claims 2 or 3, it is characterized in that, described Sealing is semicircle Sealing.
5. the low leakage boat diesel engine high temperature butterfly valve according to Claims 2 or 3, it is characterized in that, the cross section of described Sealing is Ω shape, and the shape of described groove is consistent with the shape of the opening end of described Sealing, and the opening end of described Sealing is arranged in described groove.
6. low leakage boat diesel engine high temperature butterfly valve according to claim 5, is characterized in that, be equipped with Sealing between described valve plate and two described sealing baffles.
7. low leakage boat diesel engine high temperature butterfly valve according to claim 6, it is characterized in that, on the valve rod on described top, and starting to arrange the second seal ring, axle sleeve, the first seal ring, filler, pad, spring, pad, filler, upper end cap and cover plate successively near valve plate end, described cover plate is bolted valve body, and described valve rod is provided with boss, and described spring housing is located on described valve rod, and being positioned on described boss, described boss is between described filler and pad.
8. low leakage boat diesel engine high temperature butterfly valve according to claim 7, it is characterized in that, the lower end of the valve rod of described bottom is provided with lower end cap, described lower end cap is provided with successively filler, the first seal ring, axle sleeve and the second seal ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520350505.0U CN204628590U (en) | 2015-05-27 | 2015-05-27 | Low leakage boat diesel engine high temperature butterfly valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520350505.0U CN204628590U (en) | 2015-05-27 | 2015-05-27 | Low leakage boat diesel engine high temperature butterfly valve |
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| Publication Number | Publication Date |
|---|---|
| CN204628590U true CN204628590U (en) | 2015-09-09 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520350505.0U Active CN204628590U (en) | 2015-05-27 | 2015-05-27 | Low leakage boat diesel engine high temperature butterfly valve |
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| CN (1) | CN204628590U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105202204A (en) * | 2015-10-12 | 2015-12-30 | 罗普阀业（宜兴）有限公司 | High-temperature butterfly valve for marine diesel engine |
| CN105840843A (en) * | 2016-05-18 | 2016-08-10 | 中国北方发动机研究所(天津) | Built-in locating structure of high temperature valve |
| CN107524856A (en) * | 2017-09-21 | 2017-12-29 | 安徽荣达阀门有限公司 | A kind of hermetically sealed zero leakage ball valve |
| CN108591548A (en) * | 2017-12-27 | 2018-09-28 | 宁波浙达技术服务有限公司 | A kind of automated machine pressure-control valve |
-
2015
- 2015-05-27 CN CN201520350505.0U patent/CN204628590U/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105202204A (en) * | 2015-10-12 | 2015-12-30 | 罗普阀业（宜兴）有限公司 | High-temperature butterfly valve for marine diesel engine |
| CN105840843A (en) * | 2016-05-18 | 2016-08-10 | 中国北方发动机研究所(天津) | Built-in locating structure of high temperature valve |
| CN105840843B (en) * | 2016-05-18 | 2018-08-21 | 中国北方发动机研究所(天津) | Location structure built in a kind of high-temperature valve |
| CN107524856A (en) * | 2017-09-21 | 2017-12-29 | 安徽荣达阀门有限公司 | A kind of hermetically sealed zero leakage ball valve |
| CN107524856B (en) * | 2017-09-21 | 2019-02-19 | 安徽荣达阀门有限公司 | A kind of hermetically sealed zero leakage ball valve |
| CN108591548A (en) * | 2017-12-27 | 2018-09-28 | 宁波浙达技术服务有限公司 | A kind of automated machine pressure-control valve |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20201223 Address after: 201108 building 6, 4299 Jindu Road, Minhang District, Shanghai Patentee after: Shanghai Qiyao Environmental Protection Technology Co.,Ltd. Address before: 201108 Shanghai city Minhang District Huaning Road No. 3111 Patentee before: China Shipbuilding Industry Corporation 711 Research Institute |
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| TR01 | Transfer of patent right |