CN212509636U - Multi-way butterfly valve - Google Patents
Multi-way butterfly valve Download PDFInfo
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- CN212509636U CN212509636U CN202021514137.6U CN202021514137U CN212509636U CN 212509636 U CN212509636 U CN 212509636U CN 202021514137 U CN202021514137 U CN 202021514137U CN 212509636 U CN212509636 U CN 212509636U
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- valve body
- valve
- valve seat
- annular
- butterfly
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Abstract
The utility model discloses a multi-way butterfly valve, which comprises a butterfly plate and a valve rod, wherein a valve seat matched with the butterfly plate comprises two annular valve seat rings, the two annular valve seat rings are crossed and integrated, and inner holes of the two annular valve seat rings can form a sealing pair with the periphery of the butterfly plate; the valve seat has one annular seat ring installed inside the inner hole of the main valve body, the valve rod supported on the main valve body, two auxiliary valve bodies set separately on two sides of the main valve body, the inner hole formed by the two auxiliary valve bodies corresponds to the inner hole of the main valve body, the other annular seat ring installed inside the inner hole of the auxiliary valve body, and through flow interface between the main valve body and the auxiliary valve body. Adopt the utility model discloses a multichannel butterfly valve can realize fluidic multichannel and carry.
Description
Technical Field
The utility model relates to a butterfly valve especially relates to a butterfly valve with a plurality of passageways.
Background
The butterfly valve is a valve which uses a disc type butterfly plate as an opening and closing part to rotate in a reciprocating way to open, close and adjust a fluid channel, and has the advantages of simple structure, small volume, light weight, simple and convenient operation and rapidness, thereby being widely applied. The existing butterfly valve is arranged in the middle of a straight-through pipeline to control the flow of liquid from one end to the other end, the use scene is single, in many occasions, fluid is often required to be conveyed from one pipeline to a plurality of pipelines respectively, at the moment, the butterfly valve is required to be arranged on each branch pipe respectively to control, in other occasions, different fluids are required to be conveyed from two pipelines respectively to be conveyed to the other two pipelines, even different fluids are required to be switched between two output pipelines, at the moment, the pipeline design is complex, the valve usage amount is large, the cost is high, and the control operation is inconvenient.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that a multi-channel butterfly valve is provided, which can realize multi-channel conveying of fluid.
In order to solve the technical problem, the utility model discloses a multi-channel butterfly valve, including butterfly plate, valve rod, the valve seat that matches with the butterfly plate includes two annular valve seat rings, two annular valve seat rings intersect and are as an organic whole, two annular valve seat ring bores can all form the seal pair with the butterfly plate periphery; the valve seat has one annular seat ring installed inside the inner hole of the main valve body, the valve rod supported on the main valve body, two auxiliary valve bodies set separately on two sides of the main valve body, the inner hole formed by the two auxiliary valve bodies corresponds to the inner hole of the main valve body, the other annular seat ring installed inside the inner hole of the auxiliary valve body, and through flow interface between the main valve body and the auxiliary valve body.
In the above structure, because the valve seat that matches with the butterfly plate includes two annular valve seat circles, two annular valve seat circles intersect and be as an organic whole, two annular valve seat circle bores all can form sealing pair with the butterfly plate periphery, then can form two sealed positions between disk seat and the butterfly plate, two annular valve seat circles that intersect can form four fluid access & exit, when butterfly plate and an annular valve seat circle formed sealedly, liquid can circulate between the liquid access & exit of another annular valve seat circle both sides, vice versa, can change the circulation of fluid between each access & exit through a butterfly plate and two annular valve seat circles like this to can realize the multichannel of liquid and carry.
And because an annular valve seat ring of the valve seat is arranged in an inner hole of the main valve body, the valve rod is rotatably supported on the main valve body, the auxiliary valve bodies are respectively arranged at two sides of the main valve body, an inner hole formed by the two auxiliary valve bodies corresponds to the inner hole of the main valve body, and the other annular valve seat ring of the valve seat is arranged in the inner hole of the auxiliary valve body, the main valve body and the auxiliary valve body which are rotatably supported with the valve rod form a valve body assembly, so that reliable support can be provided for the valve seat formed by the intersection of the two annular valve seat rings, and reliable sealing between the valve seat and the butterfly.
And because the through-flow interfaces are arranged between the main valve body and the auxiliary valve body, four fluid inlets and outlets formed by the two crossed annular valve seat rings can be conveniently connected with four conveying pipelines through the through-flow interfaces, and the conveying path of the fluid among the four pipelines can be conveniently changed by rotating the position of the butterfly plate. For example, a through-flow port can be connected with the input pipeline, and an opposite through-flow port can be closed, so that when the rotary butterfly plate switches positions between the two annular valve seat rings, the input pipeline can respectively output fluid to the through-flow ports on the left side and the right side; when the butterfly plate is rotated to switch positions between the two annular valve seat rings, the two input pipelines can change fluid output paths between the output pipelines on the left side or the right side respectively, so that multi-channel transmission of fluid can be conveniently realized.
The utility model discloses a preferred embodiment, two annular valve seat circles are the cross vertical cross. By adopting the embodiment, the two annular valve seat rings which are crossed vertically in a cross shape can form four fluid inlets and outlets with equal flow areas, so that the flow rate of the conveyed fluid is stable.
The utility model discloses a another kind of preferred embodiment, the cross-section of annular valve seat circle is the character cut in bas-relief, and the opening side in character cut in bas-relief cross-section is located the periphery of annular valve seat circle, and the main valve body with assist the hole joint of valve body in the character cut in bas-relief opening of annular valve seat circle periphery. By adopting the embodiment, the connection between the annular valve seat ring and the main valve body or the auxiliary valve body is reliable and firm, and the work is stable.
The utility model discloses a preferred embodiment, it is as an organic whole with the main valve body to assist the valve body to link firmly through connecting screw. By adopting the embodiment, the main valve body and the auxiliary valve body are separately processed and then connected into a whole, so that the main valve body and the auxiliary valve body can be conveniently manufactured and processed.
The utility model discloses further preferred embodiment, through-flow interface outer end is equipped with circular flange. By adopting the embodiment, the connection of the liquid passing joint and the conventional circular input and output pipeline can be facilitated.
The utility model discloses another further preferred embodiment, through-flow interface inner is equipped with two convex flange, and two convex flange correspond sealing connection with the main valve body and assistance valve body respectively. By adopting the embodiment, the inner end of the through-flow interface is directly connected with the corresponding main valve body and the auxiliary valve body, and the structure is simple.
Drawings
The multi-way butterfly valve of the present invention will be described in detail with reference to the accompanying drawings and specific embodiments.
FIG. 1 is a schematic structural view of a specific embodiment of the multi-way butterfly valve of the present invention;
FIG. 2 is a cross-sectional view taken at location A-A of the structure of FIG. 1;
fig. 3 is a schematic view of the structure of the valve seat in the structure shown in fig. 2.
In the figure: 1-valve rod, 2-connecting screw, 3-auxiliary valve body, 4-main valve body, 5-through flow interface, 51-circular connecting flange, 52-circular connecting flange, 6-butterfly plate, 7-valve seat and 71-annular valve seat ring.
Detailed Description
In the multi-channel butterfly valve shown in fig. 1 and 2, a disc-shaped butterfly plate 6 is fixedly connected to a valve rod 1, the axis of a hole where the butterfly plate 6 is connected with the valve rod 1 is the symmetrical axis of the butterfly plate 6, the valve rod 1 is rotatably supported on a main valve body 4, the upper end of the valve rod 1 penetrates through the main valve body 4 and extends out of the main valve body 4, the main body of the main valve body 4 is annular, a valve rod support seat hermetically connected with the valve rod 1 is arranged at the connecting part of the main valve body 4 and the valve rod 1, and the connecting structure of the valve rod 1 and the main valve body 4 is similar to that of a conventional. The auxiliary valve bodies 3 are respectively arranged on two sides of the main valve body 4, the auxiliary valve bodies 3 are arc-shaped, the two auxiliary valve bodies 3 can be obtained by cutting the thickness of the main valve body 4 in the middle of a whole circular ring body, the auxiliary valve bodies 3 are fixedly connected with the main valve body 4 into a whole through connecting screws 2 at two ends, and an inner hole formed by the two auxiliary valve bodies 3 corresponds to an inner hole of the main valve body 4.
Referring to fig. 3, the valve seat 7 matched with the butterfly plate 6 comprises two annular valve seat rings 71, the two annular valve seat rings 71 are intersected and integrated, and as a preferred embodiment, the two annular valve seat rings 71 are intersected in a cross shape; the valve seat 7 is made of elastic rubber, the inner holes of the two annular valve seat rings 71 can form a sealing pair of a center sealing butterfly valve together with the periphery of the butterfly plate 6, one annular valve seat ring 71 of the valve seat 7 is installed in the inner hole of the main valve body 4, the other annular valve seat ring 71 of the valve seat 7 is installed in the inner hole of the auxiliary valve body 3, as a preferred embodiment, the section of the annular valve seat ring 71 is in a concave shape, the opening side of the concave-shaped section is located on the periphery of the annular valve seat ring 71, and the inner holes of the main valve body 4 and the auxiliary valve body 3 are respectively clamped in the concave-shaped openings on the peripheries.
Four through-flow interfaces 5 are arranged between the main valve body 4 and the auxiliary valve body 3, the outer end of each through-flow interface 5 is provided with a circular connecting flange 51, the inner end of each through-flow interface 5 is provided with two crossed circular connecting flanges 52, the mounting planes of the two circular connecting flanges 52 are perpendicular to each other and are respectively in corresponding sealing connection with the main valve body 4 and the auxiliary valve body 3, the shapes of the circular connecting flanges 52 correspond to the shapes of the side surfaces of the main valve body 4 and the auxiliary valve body 3, the sealing can be simply realized by using the outer parts of annular valve seat rings 71 protruding out of the two side surfaces of the main valve body 4 and the auxiliary valve body 3, the connection is realized by a plurality of screws, the parts between the flanges at the two ends of the through-flow interfaces 5 are closed cylinder bodies similar to trumpet shapes, and the.
The above description has been presented only for the purpose of illustrating certain preferred embodiments of the invention, and it is not to be taken as a limitation on the invention, as many modifications and variations are possible. Any improvement and change made on the basis of the basic principle of the present invention should be considered as falling within the protection scope of the present invention.
Claims (6)
1. The utility model provides a multichannel butterfly valve, includes butterfly plate (6), valve rod (1), its characterized in that: the valve seat (7) matched with the butterfly plate (6) comprises two annular valve seat rings (71), the two annular valve seat rings (71) are crossed and integrated, and inner holes of the two annular valve seat rings (71) can form a sealing pair with the periphery of the butterfly plate (6); an annular valve seat ring (71) of the valve seat (7) is arranged in an inner hole of the main valve body (4), the valve rod (1) is rotatably supported on the main valve body (4), auxiliary valve bodies (3) are respectively arranged on two sides of the main valve body (4), an inner hole formed by the two auxiliary valve bodies (3) corresponds to an inner hole of the main valve body (4), another annular valve seat ring (71) of the valve seat (7) is arranged in an inner hole of the auxiliary valve body (3), and a through-flow interface (5) is arranged between the main valve body (4) and the auxiliary valve body (3).
2. The multi-way butterfly valve of claim 1, wherein: the two annular valve seat rings (71) are crossed vertically in a cross shape.
3. The multichannel butterfly valve of claim 1 or 2, wherein: the cross-section of annular valve seat circle (71) is the font of type of calligraphy, and the opening side in font cross-section is located the periphery of annular valve seat circle (71), and the hole joint of main valve body (4) and assistance valve body (3) is in the font of the character's of calligraphy opening in annular valve seat circle (71) periphery.
4. The multi-way butterfly valve of claim 1, wherein: the auxiliary valve body (3) is fixedly connected with the main valve body (4) into a whole through a connecting screw (2).
5. The multi-way butterfly valve of claim 1, wherein: and a circular connecting flange (51) is arranged at the outer end of the through-flow interface (5).
6. The multichannel butterfly valve of claim 1 or 5, wherein: the inner end of the through-flow interface (5) is provided with two circular arc connecting flanges (52), and the two circular arc connecting flanges (52) are respectively and correspondingly and hermetically connected with the main valve body (4) and the auxiliary valve body (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021514137.6U CN212509636U (en) | 2020-07-28 | 2020-07-28 | Multi-way butterfly valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021514137.6U CN212509636U (en) | 2020-07-28 | 2020-07-28 | Multi-way butterfly valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212509636U true CN212509636U (en) | 2021-02-09 |
Family
ID=74442529
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021514137.6U Active CN212509636U (en) | 2020-07-28 | 2020-07-28 | Multi-way butterfly valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212509636U (en) |
-
2020
- 2020-07-28 CN CN202021514137.6U patent/CN212509636U/en active Active
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