CN219082273U - Leak-proof butterfly valve - Google Patents
Leak-proof butterfly valve Download PDFInfo
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- CN219082273U CN219082273U CN202223143638.XU CN202223143638U CN219082273U CN 219082273 U CN219082273 U CN 219082273U CN 202223143638 U CN202223143638 U CN 202223143638U CN 219082273 U CN219082273 U CN 219082273U
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Abstract
The utility model discloses a leakage-proof butterfly valve, which comprises a valve body, a valve plate and a valve rod, wherein the valve body comprises a circulation groove and a valve rod seat, the valve plate is rotationally connected with the circulation groove, the outer surface of the valve plate is connected with a sealing ring through gluing, a sealing groove corresponding to the sealing ring is arranged in the circulation groove, an elastic piece is connected in the sealing groove through a clamping groove, and the inner side of the elastic piece is fixedly connected with a second sealing ring corresponding to the sealing ring through gluing. The leakage-proof butterfly valve has the advantages of simple and compact structure, low cost and good leakage-proof effect, and is suitable for being widely popularized and used.
Description
Technical Field
The utility model relates to the technical field of butterfly valves, in particular to a leakage-proof butterfly valve.
Background
The butterfly valve is also called as a flap valve, and is a regulating valve with a relatively simple structure, and is used for controlling the opening and closing of low-pressure pipeline media by rotating a valve plate around a valve shaft.
Publication No.: CN206972936U discloses a butterfly valve, including inside hollow valve body, the valve shaft that vertically runs through the valve body and the valve plate of cover outside the valve shaft, the valve plate realizes opening and shutting the action with the valve body under the drive of valve shaft, be equipped with the ceramic packing ring that sets up along valve body circumferencial direction on the medial surface of valve body, the periphery side of valve plate is equipped with the ceramic seal plate that sets up along valve plate circumferencial direction, be equipped with the recess that sets up along ceramic seal plate circumferencial direction on the ceramic seal plate, be equipped with polytetrafluoroethylene packing ring in the recess.
Currently, existing butterfly valves have the following disadvantages when in use: the lack of leakage-proof mechanism, the butterfly valve is usually inboard to adopt ceramic contact, after long-term use, because the rigid contact of contact surface leads to wearing and tearing comparatively serious, consequently sealing performance begins to drop, and fluid easily forms the leakage, influences the result of use and the safety of butterfly valve. To this end, we propose a leak-proof butterfly valve.
Disclosure of Invention
The utility model mainly aims to provide a leakage-proof butterfly valve which can effectively solve the problems in the background technology.
In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows:
the utility model provides a leak protection butterfly valve, includes valve body, valve plate and valve rod, the valve body includes circulation groove and valve rod seat, circulation inslot rotation is connected with the valve plate, the surface of valve plate is connected with the sealing washer through the veneer, set up the seal groove that corresponds with the sealing washer in the circulation groove, be connected with the elastic component through the draw-in groove in the seal groove, the inboard of elastic component is through the second sealing washer that gluey fixedly connected with corresponds with the sealing washer.
Further, the valve rod is rotationally connected with the valve rod in the valve rod seat, the bottom of the valve rod is fixedly connected with the valve plate, the notch is formed in the outer surface of the valve rod, the sealing pressing ring is arranged on the periphery of the valve rod in the valve rod seat and is slidably connected with the notch, the sealing gasket is arranged on the bottom of the sealing pressing ring on the periphery of the valve rod, the valve rod seat is fixedly connected with the sealing pressing ring through a bolt, and the valve rod is connected with the valve plate through the bolt.
Further, a groove corresponding to the second sealing ring is formed in the surface of the sealing ring.
Further, a compression spring is sleeved between the sealing gasket and the sealing compression ring at the periphery of the valve rod.
Further, a hand wheel is arranged at the top of the valve rod, and the valve rod is fixedly connected with the hand wheel through bolts.
Compared with the prior art, the utility model has the following beneficial effects:
1. through circulation groove, sealing washer, seal groove, elastic component and the second sealing washer that set up, can close the back at the butterfly valve, improve the leakproofness between valve plate and the circulation groove through interference fit, be difficult for moreover because of the wearing and tearing of rigid contact lead to the sealing member, simple structure, low cost uses more reliably stable moreover.
2. Through valve rod seat, notch, sealing ring and the sealing gasket that set up, can also increase sealing mechanism to the valve rod hole, the produced leakage of hole has significantly reduced, simple structure easy to use is difficult for producing moreover and is revealed, and practical value is higher.
Drawings
FIG. 1 is a schematic diagram of the overall structure of a leak-proof butterfly valve according to the present utility model.
FIG. 2 is a schematic diagram of a flow channel and valve plate of a leak-proof butterfly valve of the present utility model.
FIG. 3 is a schematic diagram of a seal groove cross-section structure of a leak-proof butterfly valve of the utility model.
Fig. 4 is a schematic diagram of a valve plate structure of a leak-proof butterfly valve according to the present utility model.
FIG. 5 is a schematic diagram showing a cross-sectional structure of a valve body of a leak-proof butterfly valve according to the present utility model.
Fig. 6 is a schematic diagram of a partial enlarged structure of a leak-proof butterfly valve according to the present utility model.
In the figure: 1. a valve body; 2. a flow channel; 3. a valve plate; 4. sealing grooves; 5. a seal ring; 6. an elastic member; 7. a second seal ring; 8. a groove; 9. a valve stem; 10. a hand wheel; 11. a valve rod seat; 12. a notch; 13. sealing compression rings; 14. a sealing gasket; 15. a compression spring.
Detailed Description
The utility model is further described in connection with the following detailed description, in order to make the technical means, the creation characteristics, the achievement of the purpose and the effect of the utility model easy to understand.
As shown in fig. 1-4, a leak-proof butterfly valve comprises a valve body 1, a valve plate 3 and a valve rod 9, wherein the valve body 1 comprises a circulation groove 2 and a valve rod seat 11, the valve plate 3 is rotationally connected with the circulation groove 2, a sealing ring 5 is connected to the outer surface of the valve plate 3 through gluing, a sealing groove 4 corresponding to the sealing ring 5 is arranged in the circulation groove 2, an elastic piece 6 is connected to the sealing groove 4 through a clamping groove, and a second sealing ring 7 corresponding to the sealing ring 5 is fixedly connected to the inner side of the elastic piece 6 through gluing.
The valve rod seat 11 is rotationally connected with the valve rod 9, the bottom of the valve rod 9 is fixedly connected with the valve plate 3, the notch 12 is formed in the outer surface of the valve rod 9, the sealing pressing ring 13 is arranged on the periphery of the valve rod 9 in the valve rod seat 11, the sealing pressing ring 13 is slidably connected relative to the notch 12, and the sealing gasket 14 is arranged on the bottom of the sealing pressing ring 13 on the periphery of the valve rod 9.
In this embodiment, as shown in fig. 6, the sealing ring 13 and the recess 12 form an interference fit, so that the sealing performance of the valve stem hole can be improved, and the leakage-proof effect of the valve stem hole can be further improved by the sealing gasket 14.
Wherein, the surface of sealing washer 5 has seted up the recess 8 that corresponds with second sealing washer 7.
In this embodiment, as shown in fig. 4, the second sealing ring 7 is conveniently clamped into the groove 8 to form interference fit, so as to improve the tightness of the valve plate 3.
Wherein, the periphery of valve rod 9 is located sealing gasket 14 and seals between clamping ring 13 and overlaps and be equipped with pressure spring 15.
In this embodiment, as shown in fig. 6, the stability of the sealing gasket 14 in use can be improved by the elastic force of the compression spring 15.
Wherein, the top of valve rod 9 is provided with hand wheel 10.
In this embodiment, as shown in fig. 1, the valve rod 9 is conveniently driven to rotate by the hand wheel 10.
It should be noted that, the utility model is a leak-proof butterfly valve, when in operation, firstly, fluid circulates through the circulation groove 2, the hand wheel 10 is rotated, the valve rod 9 drives the valve plate 3 to close the valve body 1, the sealing performance between the circulation groove 2 and the valve plate 3 is improved by using the sealing ring 5, meanwhile, the second sealing ring 7 in the sealing groove 4 is clamped into the corresponding groove 8 under the pushing of the elastic force of the elastic piece 6, so that the sealing ring 5 and the second sealing ring 7 form interference fit, further improving the sealing performance of the butterfly valve, and the leak-proof effect is better.
The foregoing has shown and described the basic principles and main features of the present utility model and the advantages of the present utility model. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made without departing from the spirit and scope of the utility model, which is defined in the appended claims. The scope of the utility model is defined by the appended claims and equivalents thereof.
Claims (5)
1. The utility model provides a leak protection butterfly valve, includes valve body (1), valve plate (3) and valve rod (9), its characterized in that: the valve body (1) comprises a circulation groove (2) and a valve rod seat (11), the valve plate (3) is rotationally connected to the circulation groove (2), a sealing ring (5) is connected to the outer surface of the valve plate (3) through gluing, a sealing groove (4) corresponding to the sealing ring (5) is formed in the circulation groove (2), an elastic piece (6) is connected to the sealing groove (4) through a clamping groove, and a second sealing ring (7) corresponding to the sealing ring (5) is fixedly connected to the inner side of the elastic piece (6) through gluing.
2. A leak-proof butterfly valve according to claim 1, wherein: the novel valve is characterized in that the valve rod seat (11) is rotationally connected with the valve rod (9), the bottom of the valve rod (9) is fixedly connected with the valve plate (3), the outer surface of the valve rod (9) is provided with the notch (12), the periphery of the valve rod (9) positioned in the valve rod seat (11) is provided with the sealing pressing ring (13), the sealing pressing ring (13) is slidably connected relative to the notch (12), and the bottom of the periphery of the valve rod (9) positioned in the sealing pressing ring (13) is provided with the sealing gasket (14).
3. A leak-proof butterfly valve according to claim 1, wherein: the surface of the sealing ring (5) is provided with a groove (8) corresponding to the second sealing ring (7).
4. A leak-proof butterfly valve according to claim 2, wherein: the periphery of the valve rod (9) is positioned between the sealing gasket (14) and the sealing compression ring (13) and sleeved with a pressure spring (15).
5. A leak-proof butterfly valve according to claim 1, wherein: a hand wheel (10) is arranged at the top of the valve rod (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223143638.XU CN219082273U (en) | 2022-11-25 | 2022-11-25 | Leak-proof butterfly valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223143638.XU CN219082273U (en) | 2022-11-25 | 2022-11-25 | Leak-proof butterfly valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219082273U true CN219082273U (en) | 2023-05-26 |
Family
ID=86402610
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223143638.XU Active CN219082273U (en) | 2022-11-25 | 2022-11-25 | Leak-proof butterfly valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219082273U (en) |
-
2022
- 2022-11-25 CN CN202223143638.XU patent/CN219082273U/en active Active
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