CN204900860U - Reducing butterfly valve - Google Patents
Reducing butterfly valve Download PDFInfo
- Publication number
- CN204900860U CN204900860U CN201520606933.5U CN201520606933U CN204900860U CN 204900860 U CN204900860 U CN 204900860U CN 201520606933 U CN201520606933 U CN 201520606933U CN 204900860 U CN204900860 U CN 204900860U
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- CN
- China
- Prior art keywords
- butterfly plate
- butterfly
- valve
- cavity
- reducing
- 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.)
- Expired - Fee Related
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Abstract
The utility model provides a reducing butterfly valve, including valve body, butterfly plate and valve rod, the valve body is equipped with the butterfly plate for the cylindric structure of cavity in taking, cavity intracavity matching, and butterfly plate and valve rod fixed connection radially are provided with coaxial axle sleeve and position sleeve on the valve body, and the valve rod overlaps in axle sleeve and position sleeve, the butterfly plate is hollow structure, and there is a cavity inside, and the cavity embeds flexible capsule, and the through -hole that link up mutually with the cavity is all opened to butterfly plate both ends face, the valve rod is cavity pole structure, embeds the air flue with the associative expert of elasticity capsule. This reducing butterfly valve, through the control to the elasticity capsule degree of inflating realize to the shutoff of different quantity through -holes on the butterfly plate whether, when need carry out little flow control, adjust the butterfly plate to closed position earlier, to the control realization of the elasticity capsule degree of inflating to the shutoff of different quantity through -holes on the butterfly plate whether the rethread to realize the regulation of required low discharge, its design is ingenious, realizes easily that low cost has very big application prospect.
Description
Technical field
The utility model relates to a kind of butterfly valve, particularly a kind of reducing butterfly valve.
Background technique
Butterfly valve is a kind of regulating and controlling valve being widely used in every profession and trade, and it realizes the unlatching of pipeline, closedown and Flow-rate adjustment by the discoid butterfly plate rotated with valve rod.When small flow regulates, butterfly valve has some limitations, be in particular in and not easily pass through the adjustment that the angle of swing controlling its butterfly plate realizes required various small flow, can address this problem by improving the control mechanism opening and closing unit, but considerably increase cost, be unfavorable for promoting the use of on a large scale.
Model utility content
The utility model aims to provide a kind of reducing butterfly valve, to solve the limitation that existing butterfly valve not easily realizes small flow adjustment.
The technological scheme of this reducing butterfly valve is achieved in that
Described reducing butterfly valve, comprise valve body, butterfly plate and valve rod, valve body is the cylinder-like structure of band hollow cavity, and in hollow cavity, coupling is provided with butterfly plate, and butterfly plate is fixedly connected with valve rod, on valve body, radial direction is provided with coaxial axle sleeve and setting sleeve, valve rod is placed in axle sleeve and setting sleeve, and described butterfly plate is hollow structure, and there is a cavity inside, cavity is built-in with elastic capsule, and butterfly plate both ends of the surface all have the through hole connected with cavity;
Described valve rod is hollow stem structure, the built-in air flue be connected with elastic capsule.
Further, described in be positioned at cavity butterfly plate two inner side end central position be equipped with locating stud, elastic capsule is fixed on locating stud.
Further, be provided with two-way air flue in described valve rod, the first air flue and elastic capsule are connected, and the second air flue is connected with cavity.
Further, described butterfly plate one end face outside is provided with two clips, and clip is along end-face diameter to setting, and valve rod is fixed in clip.
Further, the through hole on described butterfly plate is distributed in the both sides of two clips.
Further, the valve rod exceeding axle sleeve part in this reducing butterfly valve is fixedly connected with keying unit.
Further, when described butterfly plate end face is vertical with valve axis, valve body is by being embedded in seal ring on hollow cavity wall and butterfly plate is sealed and matched
Further, the end of described first air flue and the second air flue is equipped with valve inside.
Reducing butterfly valve provided by the utility model, the basis of existing butterfly valve is improved, to solve the problem that existing butterfly valve not easily realizes small flow adjustment.It arranges through hole on butterfly plate, in butterfly plate internal cavities, elastic capsule is set, by to the control realization of elastic capsule degree of inflation to the shutoff of varying number through hole on butterfly plate whether, during normal use, elastic capsule is charged to saturation state, thus make the whole shutoff of through hole on butterfly plate, now, this reducing butterfly valve and common butterfly valve are as good as; When small flow need be carried out to be regulated, first butterfly plate is adjusted to closed position, again by the control realization of elastic capsule degree of inflation to the shutoff of varying number through hole on butterfly plate whether, thus realize the adjustment of required small flow, this reducing butterfly valve is skillfully constructed, be easy to realize, with low cost, there is very large application prospect.
Accompanying drawing explanation
The accompanying drawing forming a part of the present utility model is used to provide further understanding of the present utility model, and schematic description and description of the present utility model, for explaining the utility model, is not formed improper restriction of the present utility model.In the accompanying drawings:
Fig. 1 is reducing butterfly valve schematic front view described in the utility model;
Fig. 2 is butterfly plate, schematic diagram is cutd open in valve stem part side;
Fig. 3 is valve rod schematic top plan view.
Description of reference numerals:
In figure: 1. valve body, 2. seal ring, 3. butterfly plate, 4. valve rod, 5. axle sleeve, 6. setting sleeve, 7. keying unit, 8. through hole, 9. locating stud, 10. elastic capsule, 11. cavitys, 12. first air flues, 13. second air flues, 14. clips.
Embodiment
It should be noted that, when not conflicting, the embodiment in the utility model and the feature in embodiment can combine mutually.
Below with reference to the accompanying drawings and describe the utility model in detail in conjunction with the embodiments.
Reducing butterfly valve described in the utility model, with reference to Fig. 1, shown in 2, its basic structure and common butterfly valve are as good as, comprise valve body 1, butterfly plate 3 and valve rod 4, valve body 1 is the cylinder-like structure of band hollow cavity, in hollow cavity, coupling is provided with butterfly plate 3, valve body 1 hollow cavity wall is embedded with seal ring 2, when butterfly plate 3 end face and valve body 1 axes normal, valve body 1 is sealed and matched by seal ring 2 and butterfly plate 3, increase seal degree, butterfly plate 3 is fixedly connected with valve rod 4, specifically, described butterfly plate 3 one end face outside is provided with two clips 14, clip 14 is along end-face diameter to setting, valve rod 4 is by weld or the mode such as riveted joint is fixed in clip 14, on valve body 1, radial direction is provided with coaxial axle sleeve 5 and setting sleeve 6, valve rod 4 is placed in axle sleeve 5 and setting sleeve 6, the valve rod 4 exceeding axle sleeve 5 part is fixedly connected with and opens and closes unit 7, by realizing the adjustment to butterfly plate 3 position to the operation opening and closing unit 7.
Reducing butterfly valve improvements described in the utility model are: described butterfly plate 3 is hollow structure, and there is a cavity 11 inside, and cavity 11 is built-in with elastic capsule 10, and butterfly plate 3 both ends of the surface all have the through hole 8 connected with cavity 11;
To the control realization of elastic capsule 10 degree of inflation to the shutoff of varying number through hole 8 on butterfly plate 3 whether described valve rod 4 is hollow stem structure, the built-in air flue be connected with elastic capsule 10, by.
During normal use, by air flue, elastic capsule 10 is charged to saturation state, thus makes through hole 8 all shutoff on butterfly plate 3, now, this reducing butterfly valve and common butterfly valve are as good as, and its using method is also as good as with common butterfly valve using method; When small flow need be carried out to be regulated, first butterfly plate 3 is adjusted to closed position, then by the control realization of elastic capsule 10 degree of inflation to the shutoff of varying number through hole 8 on butterfly plate 3 whether, namely realizes " reducing " effect, thus realize the adjustment of required small flow.
Described butterfly plate 3 liang of inner side end central positions being positioned at cavity 11 are equipped with locating stud 9, and elastic capsule 10 is fixed on locating stud 9, plays certain positioning action to elastic capsule 10, can not arbitrarily movement.
As shown in Figure 2,3, be provided with two-way air flue in described valve rod 4, the first air flue 12 is connected, for filling elastic capsule 10, exit, to realize the adjustment to different small flow with elastic capsule 10; Second air flue 13 is connected with cavity 11, and when the flow flowing through this reducing butterfly valve is very little, impurity is very easily deposited in butterfly plate 3 and through hole 8 place thereof, regularly can pass through the second air flue 13, utilize air to clear up impurity.
Through hole 8 on described butterfly plate 3 is distributed in the both sides of two clips 14, to avoid clip 14 and valve rod 4.
The end of described first air flue 12 and the second air flue 13 is equipped with valve inside, ensures that air flue completely cuts off with extraneous.
The foregoing is only preferred embodiment of the present utility model; not in order to limit the utility model; all within spirit of the present utility model and principle, any amendment done, equivalent replacement, improvement etc., all should be included within protection domain of the present utility model.
Claims (8)
1. a reducing butterfly valve, comprise valve body (1), butterfly plate (3) and valve rod (4), valve body (1) is the cylinder-like structure of band hollow cavity, in hollow cavity, coupling is provided with butterfly plate (3), butterfly plate (3) is fixedly connected with valve rod (4), the upper radial direction of valve body (1) is provided with coaxial axle sleeve (5) and setting sleeve (6), valve rod (4) is placed in axle sleeve (5) and setting sleeve (6), it is characterized in that: described butterfly plate (3) is hollow structure, there is a cavity (11) inside, cavity (11) is built-in with elastic capsule (10), butterfly plate (3) both ends of the surface all have the through hole (8) connected with cavity (11),
Described valve rod (4) is hollow stem structure, the built-in air flue be connected with elastic capsule (10).
2. reducing butterfly valve according to claim 1, it is characterized in that: described in be positioned at cavity (11) butterfly plate (3) two inner side end central position be equipped with locating stud (9), elastic capsule (10) is fixed on locating stud (9).
3. reducing butterfly valve according to claim 1 and 2, it is characterized in that: described valve rod is provided with two-way air flue in (4), first air flue (12) and elastic capsule (10) are connected, and the second air flue (13) is connected with cavity (11).
4. reducing butterfly valve according to claim 1, it is characterized in that: described butterfly plate (3) end face outside is provided with two clips (14), clip (14) is along end-face diameter to setting, and valve rod (4) is fixed in clip (14).
5. reducing butterfly valve according to claim 4, is characterized in that: the through hole (8) on described butterfly plate (3) is distributed in the both sides of two clips (14).
6. reducing butterfly valve according to claim 1, is characterized in that: exceed on axle sleeve (5) valve rod (4) partly and be fixedly connected with keying unit (7).
7. reducing butterfly valve according to claim 1, it is characterized in that: when described butterfly plate (3) end face and valve body (1) axes normal, valve body (1) is sealed and matched with butterfly plate (3) by the seal ring (2) be embedded on hollow cavity wall.
8. reducing butterfly valve according to claim 3, is characterized in that: the end of described first air flue (12) and the second air flue (13) is equipped with valve inside.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520606933.5U CN204900860U (en) | 2015-08-11 | 2015-08-11 | Reducing butterfly valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520606933.5U CN204900860U (en) | 2015-08-11 | 2015-08-11 | Reducing butterfly valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204900860U true CN204900860U (en) | 2015-12-23 |
Family
ID=54923037
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520606933.5U Expired - Fee Related CN204900860U (en) | 2015-08-11 | 2015-08-11 | Reducing butterfly valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204900860U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106090256A (en) * | 2016-08-17 | 2016-11-09 | 上海开纯洁净室技术工程有限公司 | Floating type pressure reduction confined gas valve |
| CN110101475A (en) * | 2019-04-10 | 2019-08-09 | 佛山市登诺医疗器械有限公司 | A kind of high pressure draught toothwash polisher based on sodium bicarbonate or glycine |
-
2015
- 2015-08-11 CN CN201520606933.5U patent/CN204900860U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106090256A (en) * | 2016-08-17 | 2016-11-09 | 上海开纯洁净室技术工程有限公司 | Floating type pressure reduction confined gas valve |
| CN110101475A (en) * | 2019-04-10 | 2019-08-09 | 佛山市登诺医疗器械有限公司 | A kind of high pressure draught toothwash polisher based on sodium bicarbonate or glycine |
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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: 20151223 Termination date: 20160811 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |