CN204784769U - Bidirectional zero -leakage's flexible butterfly valve - Google Patents
Bidirectional zero -leakage's flexible butterfly valve Download PDFInfo
- Publication number
- CN204784769U CN204784769U CN201520325373.6U CN201520325373U CN204784769U CN 204784769 U CN204784769 U CN 204784769U CN 201520325373 U CN201520325373 U CN 201520325373U CN 204784769 U CN204784769 U CN 204784769U
- Authority
- CN
- China
- Prior art keywords
- valve body
- butterfly plate
- valve rod
- valve
- butterfly
- 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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- Mechanically-Actuated Valves (AREA)
- Lift Valve (AREA)
Abstract
The utility model discloses a bidirectional zero -leakage's flexible butterfly valve, including valve body, butterfly plate, be equipped with a class chamber on the valve body, the play water end (W. E. ) of valve body is connected with flexible pipe through outer clamping ring, flexible guan yuliu chamber communicates with each other, the upper and lower both ends of butterfly plate are connected with upper valve rod and lower valve rod respectively, the butterfly plate is located a class intracavity, the other end of upper valve rod is connected through the upper end of axle sleeve with the valve body, the bottom of lower valve rod is connected in the lower extreme of valve body through running from opposite directions the snap ring, the upper portion of valve body is equipped with the support, it is vice to be connected with the worm wheel on the support, the outer wall of butterfly plate is connected with the butterfly plate through the clamping ring and seals glueyly, when the butterfly plate with flow the chamber when being the closed condition, the sealed inner wall of gluing and flowing the chamber of butterfly plate meets, the upper end and the worm wheel sub phase of upper valve rod are connected, be connected with the handle on the worm wheel is vice, the handle drives the vice work of worm wheel, and the worm wheel subband moves the upper valve rod and rotates, and then drives the butterfly plate and rotate and realize flowing opening and closing of chamber. The utility model discloses simple structure, leakproofness are good, efficient, of high quality.
Description
Technical field
The utility model relates to butterfly valve field, refers more particularly to a kind of flexible butterfly valve of bi-direction zero-leakage.
Background technique
Current butterfly valve seal relies on the moment of torsion be applied on valve rod to be delivered to produce necessary seal pressure between sealing pair and complete, and this structure easily between sealing pair, produces friction and card squeezes, and causes sealing surface wear to accelerate even to lose efficacy.And current butterfly valve is not flexible, multiple installation environment can not be adapted to.
Model utility content
The flexible butterfly valve of the bi-direction zero-leakage that the purpose of this utility model is to overcome above-mentioned deficiency of the prior art and provides a kind of structure simple, easy to operate, practical.
The utility model realizes in the following way:
A flexible butterfly valve for bi-direction zero-leakage, is characterized in that: comprise valve body 6, butterfly plate 7, and described valve body 6 is provided with stream chamber 61; The waterexit end of described valve body 6 is connected with telescopic pipe 17 by outer trim ring 16; Described telescopic pipe 17 communicates with stream chamber 61; The two ends up and down of described butterfly plate 7 are connected to upper valve rod 14 and lower valve rod 8; Described butterfly plate 7 is positioned at stream chamber 61; The other end of described upper valve rod 14 is connected by the upper end of axle sleeve 5 with valve body 6; The bottom of described lower valve rod 8 is connected to the lower end of valve body 6 by splitting snap ring 9; Described upper valve rod 14 and lower valve rod 8 rotatable relative to valve body 6; The top of described valve body 6 is provided with support 2; Described support 2 is connected with worm gear pair 1; The outer wall of described butterfly plate 7 is connected with butterfly plate sealer 12 by trim ring 13; When butterfly plate 7 is closed condition with stream chamber 61, butterfly plate sealer 12 connects with the inwall in stream chamber 61; The upper end portion of described upper valve rod 14 is connected with worm gear pair 1; Described worm gear pair 1 is connected with handle 15, and handle 15 drives worm gear pair 1 to work, and worm gear pair 1 drives upper valve rod 14 to rotate, and then drives butterfly plate 7 to rotate the open and close realizing stream chamber 61.
Described upper valve rod 14 is arranged with seal ring 4 and Gland 3, described Gland 3 is positioned at the top of seal ring 4.
The bottom of described lower valve rod 8 is provided with the bonnet 11 be connected on valve body 6; Joint between described bonnet 11 and valve body 6 is provided with lower seal 10.
Joint between described outer trim ring 16 and valve body 6 is provided with O RunddichtringO 18.
The beneficial effects of the utility model are: structure is simple, and easy to operate, long service life, sealability are reliable.
Accompanying drawing explanation
Fig. 1 the utility model structural representation.
Embodiment
Now by reference to the accompanying drawings, the utility model embodiment is described in detail in detail:
As shown in Figure 1, a kind of flexible butterfly valve of bi-direction zero-leakage, comprises valve body 6, butterfly plate 7, and valve body 6 is provided with stream chamber 61; The waterexit end of valve body 6 is connected with telescopic pipe 17 by outer trim ring 16; Telescopic pipe 17 communicates with stream chamber 61; The two ends up and down of butterfly plate 7 are connected to upper valve rod 14 and lower valve rod 8; Butterfly plate 7 is positioned at stream chamber 61; The other end of upper valve rod 14 is connected by the upper end of axle sleeve 5 with valve body 6; The bottom of lower valve rod 8 is connected to the lower end of valve body 6 by splitting snap ring 9; Upper valve rod 14 and lower valve rod 8 rotatable relative to valve body 6; The top of valve body 6 is provided with support 2; Support 2 is connected with worm gear pair 1; The outer wall of butterfly plate 7 is connected with butterfly plate sealer 12 by trim ring 13; When butterfly plate 7 is closed condition with stream chamber 61, butterfly plate sealer 12 connects with the inwall in stream chamber 61; The upper end portion of upper valve rod 14 is connected with worm gear pair 1; Worm gear pair 1 is connected with handle 15, handle 15 drives worm gear pair 1 to work, and worm gear pair 1 drives upper valve rod 14 to rotate, and then drives butterfly plate 7 to rotate the open and close realizing stream chamber 61.
The utility model upper valve rod 14 is arranged with seal ring 4 and Gland 3, Gland 3 is positioned at the top of seal ring 4, for the sealing of upper valve rod 14.
The bottom of the utility model lower valve rod 8 is provided with the bonnet 11 be connected on valve body 6; Joint between bonnet 11 and valve body 6 is provided with lower seal 10, for the sealing of lower valve rod 8.
The outer joint between trim ring 16 and valve body 6 of the utility model is provided with O RunddichtringO 18, for the sealing between telescopic pipe 17 and valve body 6.
During work, handle 15 drives worm gear pair 1 to work, and worm gear pair 1 drives upper valve rod 14 to rotate, and then drives butterfly plate 7 to rotate the open and close realizing stream chamber 61.
Claims (4)
1. a flexible butterfly valve for bi-direction zero-leakage, is characterized in that: comprise valve body (6), butterfly plate (7), and described valve body (6) is provided with stream chamber (61); The waterexit end of described valve body (6) is connected with telescopic pipe (17) by outer trim ring (16); Described telescopic pipe (17) communicates with stream chamber (61); The two ends up and down of described butterfly plate (7) are connected to upper valve rod (14) and lower valve rod (8); Described butterfly plate (7) is positioned at stream chamber (61); The other end of described upper valve rod (14) is connected by the upper end of axle sleeve (5) with valve body (6); The bottom of described lower valve rod (8) is connected to the lower end of valve body (6) by splitting snap ring (9); Described upper valve rod (14) and lower valve rod (8) rotatable relative to valve body (6); The top of described valve body (6) is provided with support (2); Described support (2) is connected with worm gear pair (1); The outer wall of described butterfly plate (7) is connected with butterfly plate sealer (12) by trim ring (13); When butterfly plate (7) is with when flowing chamber (61) in closed condition, butterfly plate sealer (12) connects with the inwall of stream chamber (61); The upper end portion of described upper valve rod (14) is connected with worm gear pair (1); Described worm gear pair (1) is connected with handle (15), handle (15) drives worm gear pair (1) work, worm gear pair (1) drives upper valve rod (14) to rotate, and then drives butterfly plate (7) to rotate the open and close realizing stream chamber (61).
2. the flexible butterfly valve of a kind of bi-direction zero-leakage according to claim 1, it is characterized in that: described upper valve rod (14) is arranged with seal ring (4) and Gland (3), described Gland (3) is positioned at the top of seal ring (4).
3. the flexible butterfly valve of a kind of bi-direction zero-leakage according to claim 1, is characterized in that: the bottom of described lower valve rod (8) is provided with the bonnet (11) be connected on valve body (6); Joint between described bonnet (11) and valve body (6) is provided with lower seal (10).
4. the flexible butterfly valve of a kind of bi-direction zero-leakage according to claim 1, is characterized in that: the joint between described outer trim ring (16) and valve body (6) is provided with O RunddichtringO (18).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520325373.6U CN204784769U (en) | 2015-05-20 | 2015-05-20 | Bidirectional zero -leakage's flexible butterfly valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520325373.6U CN204784769U (en) | 2015-05-20 | 2015-05-20 | Bidirectional zero -leakage's flexible butterfly valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204784769U true CN204784769U (en) | 2015-11-18 |
Family
ID=54524819
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520325373.6U Expired - Fee Related CN204784769U (en) | 2015-05-20 | 2015-05-20 | Bidirectional zero -leakage's flexible butterfly valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204784769U (en) |
-
2015
- 2015-05-20 CN CN201520325373.6U patent/CN204784769U/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 |
Granted publication date: 20151118 Termination date: 20160520 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |