CN213064651U - Valve plate of butterfly valve - Google Patents
Valve plate of butterfly valve Download PDFInfo
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- CN213064651U CN213064651U CN202021645109.8U CN202021645109U CN213064651U CN 213064651 U CN213064651 U CN 213064651U CN 202021645109 U CN202021645109 U CN 202021645109U CN 213064651 U CN213064651 U CN 213064651U
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Abstract
The utility model discloses a butterfly valve plate, including first valve plate and second valve plate, first valve plate and second valve plate all are the semicircle type, and first valve plate and second valve plate match each other and merge into circularly, the first lantern ring of the upper and lower both ends welding of first valve plate, first lantern ring is interior to be inserted and is equipped with first actuating lever, first actuating lever and first valve plate fixed connection, the upper and lower both ends welded fastening of second valve plate has the second lantern ring, second lantern ring is interior to be inserted and is equipped with the second actuating lever, second actuating lever and second valve plate fixed connection, the top of first valve plate and second valve plate is equipped with the connecting plate. The utility model provides a two valve plates can be with the help of fluidic motion potential energy each other opening the in-process for easy operation is laborsaving, and the fluid can be followed first through-hole and second through-hole and circulated, has reduced the resistance of valve plate to the fluid, has improved fluidic circulation efficiency.
Description
Technical Field
The utility model relates to the technical field of valves, concretely relates to butterfly valve plate.
Background
The valve can be used for controlling the flow of various types of fluids such as air, water, steam, various corrosive media, slurry, oil products, liquid metal, radioactive media and the like, and mainly plays a role in cutting off and throttling on a pipeline. The butterfly valve belongs to a kind of valve, also called flap valve, is a kind of simple structure regulating valve, can be used for the butterfly valve of the on-off control of the low pressure pipeline medium, mean the closing member (valve clack or butterfly plate) is a disc, rotate and reach a kind of valve opened and closed around the valve shaft.
When the existing butterfly valve is used, the valve plate needs the pressure of fluid medium of the whole cross section, so that the valve plate is difficult to open or close, and meanwhile, when the butterfly valve is opened, the valve plate has large resistance to fluid, and the circulation efficiency of the fluid is influenced.
SUMMERY OF THE UTILITY MODEL
In view of the above shortcomings of the prior art, an object of the present invention is to provide a butterfly valve plate for solving the problem that the opening or closing of the butterfly valve plate in the prior art is laborious, and the valve plate has large resistance to fluid, which affects the fluid circulation.
In order to achieve the above and other related objects, the present invention provides a valve plate for a butterfly valve, including a first valve plate and a second valve plate, wherein the first valve plate and the second valve plate are both semi-circular, and the first valve plate and the second valve plate are matched with each other to form a circular shape, the upper and lower ends of the first valve plate are welded with a first sleeve ring, a first driving rod is inserted into the first sleeve ring, the first driving rod is fixedly connected with the first valve plate, the upper and lower ends of the second valve plate are welded with a second sleeve ring, a second driving rod is inserted into the second sleeve ring, the second driving rod is fixedly connected with the second valve plate, a connecting plate is arranged above the first valve plate and the second valve plate, the first driving rod and the second driving rod are respectively rotatably connected to two sides of the connecting plate through bearings, a first gear is fixedly sleeved above the first driving rod, a second gear is fixedly sleeved above the second driving rod, the valve comprises a connecting plate, a valve rod, a main gear, a first valve plate and a second valve plate, wherein the valve rod is rotatably connected to the center of the connecting plate, the main gear is fixedly sleeved below the valve rod and is meshed and toothed with the first gear and the second gear on two sides, a row of first through holes are formed in the first valve plate in a penetrating mode, and a row of second through holes are formed in the second valve plate in a penetrating mode.
Preferably, the first valve plate and the second valve plate are in the same plane when closed, and are symmetrically arranged about the central axis of the valve rod.
Preferably, the straight side of the first valve plate is provided with a fastening sub-end, the straight side of the second valve plate is provided with a fastening female end, and when the first valve plate and the second valve plate are closed, the fastening sub-end and the fastening female end are mutually fastened.
Preferably, each first through-hole aperture one hole length differs, first through-hole mutual parallel arrangement and perpendicular to first actuating lever, every second through-hole aperture one hole length differs, second through-hole mutual parallel arrangement and perpendicular to second actuating lever.
Preferably, the first driving rod is fixedly connected with the upper end and the lower end of the first valve plate, a first vertical hole is formed in the first valve plate, the first driving rod penetrates through the first vertical hole, and two sides of the first vertical hole are communicated with each first through hole.
Preferably, the second driving rod is fixedly connected with the upper end and the lower end of the second valve plate, a second vertical hole is formed in the second valve plate, the second driving rod penetrates through the second vertical hole, and two sides of the second vertical hole are communicated with each second through hole.
Compared with the prior art, the beneficial effects of the utility model are that:
the utility model discloses a set up first valve plate and second valve plate, and two valve plates are driven by first actuating lever and second actuating lever respectively, when opening the butterfly valve, the rotation valve rod, drive reverse rotary motion through the master gear first gear and second gear synchronous action, until first valve plate and second valve plate respectively around pivoting 90, because two valve plates independently rotate around respective actuating lever, and the direction of rotation is opposite, realize that two valve plates can be each other with the help of fluidic motion potential energy opening the in-process, realize "supplementing each other mutually", make easy operation laborsaving, and 90 backs are opened to two valve plates, fluidic flow direction is parallel with the second through-hole of first through-hole, make the fluid can follow first through-hole and second through-hole and circulate, the resistance to the fluid has been reduced, fluid circulation efficiency has been improved.
Drawings
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
Fig. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic cross-sectional view taken along line A-A of FIG. 1;
FIG. 3 is a schematic view of the internal structure of the first valve plate of the present invention;
FIG. 4 is a schematic cross-sectional view taken along line B-B of FIG. 3;
FIG. 5 is a schematic view of the internal structure of the second valve plate of the present invention;
fig. 6 is a schematic cross-sectional view taken along line C-C of fig. 5.
Wherein the reference numerals are specified as follows:
the valve comprises a first valve plate 10, a first through hole 101, a first vertical hole 102, a fastening terminal end 103, a first collar 11, a first driving rod 12 and a first gear 13;
the second valve plate 20, the second through hole 201, the second vertical hole 202, the fastening female end 203, the second collar 21, the second driving rod 22 and the second gear 23;
a connecting plate 30, a bearing 31;
a valve rod 40 and a main gear 41.
Detailed Description
The following description is provided for illustrative purposes, and other advantages and features of the present invention will become apparent to those skilled in the art from the following detailed description.
It should be understood that the structure, ratio, size and the like shown in the drawings of the present specification are only used for matching with the content disclosed in the specification, so as to be known and read by those skilled in the art, and are not used for limiting the limit conditions that the present invention can be implemented, so that the present invention does not have the essential significance in the technology, and any modification of the structure, change of the ratio relationship or adjustment of the size should still fall within the scope of the technical content disclosed in the present invention without affecting the function and the achievable purpose of the present invention. Meanwhile, the terms such as "upper", "lower", "left", "right", "middle" and "one" used in the present specification are for convenience of description, and are not intended to limit the scope of the present invention, and changes or adjustments of the relative relationship thereof may be made without substantial technical changes, and the present invention is also regarded as the scope of the present invention.
As shown in fig. 1, 3 and 5, the present invention provides a butterfly valve plate, which includes a first valve plate 10 and a second valve plate 20, wherein the first valve plate 10 and the second valve plate 20 are both semi-circular, and the first valve plate 10 and the second valve plate 20 are matched with each other to form a circular shape, the upper and lower ends of the first valve plate 10 are welded with a first collar 11, a first driving rod 12 is inserted into the first collar 11, the first driving rod 12 is fixedly connected with the first valve plate 10, the upper and lower ends of the second valve plate 20 are welded with a second collar 21, a second driving rod 22 is inserted into the second collar 21, the second driving rod 22 is fixedly connected with the second valve plate 20, a connecting plate 30 is disposed above the first valve plate 10 and the second valve plate 20, the first driving rod 12 and the second driving rod 22 are respectively rotatably connected to two sides of the connecting plate 30 through bearings 31, a first gear 13 is fixedly sleeved above the first driving rod 12, the second gear 23 is fixedly sleeved on the upper portion of the second driving rod 22, the valve rod 40 is rotatably connected to the center of the connecting plate 30, the main gear 41 is fixedly sleeved on the lower portion of the valve rod 40, the main gear 41 is meshed with the first gear 13 and the second gear 23 on the two sides, the first valve plate 10 is provided with a row of first through holes 101 in a penetrating manner, and the second valve plate 20 is provided with a row of second through holes 201 in a penetrating manner.
In the present embodiment, as shown in fig. 2, the first valve plate 10 and the second valve plate 20 are in the same plane when closed, and are symmetrically disposed about the central axis of the valve stem 40.
Further, the straight side of the first valve plate 10 is provided with a snap-in sub-end 103, the straight side of the second valve plate 20 is provided with a snap-in female end 203, and when the first valve plate 10 and the second valve plate 20 are closed, the snap-in sub-end 103 and the snap-in female end 203 are mutually snapped. The design can avoid the interference between the straight side of the first valve plate 10 and the straight side of the second valve plate 20 during the overturning process, so that the first valve plate 10 and the second valve plate 20 can be completely closed when closed.
In this embodiment, the first through holes 101 are different in aperture length, the first through holes 101 are parallel to each other and perpendicular to the first driving rod 12, the second through holes 201 are different in aperture length, and the second through holes 201 are parallel to each other and perpendicular to the second driving rod 22.
Further, as shown in fig. 4, the first driving rod 12 is fixedly connected to the upper and lower ends of the first valve plate 10, a first vertical hole 102 is formed in the first valve plate 10, the first driving rod 12 passes through the first vertical hole 102, and both sides of the first vertical hole 102 are communicated with each first through hole 101. The design of the first vertical hole 102 can prevent the first driving rod 12 from blocking the first through hole 101, and ensure that fluid can smoothly pass through the first through hole 101.
Further, as shown in fig. 6, a second driving rod 22 is fixedly connected to the upper and lower ends of the second valve plate 20, a second vertical hole 202 is formed in the second valve plate 20, the second driving rod 22 passes through the second vertical hole 202, and both sides of the second vertical hole 202 are communicated with each second through hole 201. The design of the second vertical hole 202 can prevent the second through hole 201 from being blocked by the second driving rod 22, and ensure that fluid can smoothly pass through the second through hole 201.
In specific implementation, the first valve plate 10 and the second valve plate 20 are arranged, and the two valve plates are respectively driven by the first driving rod 12 and the second driving rod 22, when the butterfly valve is opened, the valve rod 40 is rotated, the first gear 13 and the second gear 23 are driven by the main gear 41 to synchronously perform reverse rotation movement until the first valve plate 10 and the second valve plate 20 rotate around the shaft by 90 degrees respectively, because the two valve plates independently rotate around the respective driving rods and the rotating directions are opposite, the two valve plates can mutually assist each other by means of the motion potential energy of fluid in the opening process, so that the operation is simple and labor-saving, and after the two valve plates are opened by 90 degrees, the flow direction of the fluid is parallel to the second through hole 201 of the first through hole 101, fluid can circulate from the first through hole 101 and the second through hole 201, resistance of the valve plate to the fluid is reduced, and circulation efficiency of the fluid is improved.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (6)
1. A butterfly valve plate is characterized by comprising a first valve plate and a second valve plate, wherein the first valve plate and the second valve plate are semicircular, the first valve plate and the second valve plate are matched with each other to be combined into a circle, first lantern rings are welded at the upper end and the lower end of the first valve plate, first driving rods are inserted in the first lantern rings and fixedly connected with the first valve plate, second lantern rings are welded and fixed at the upper end and the lower end of the second valve plate, second driving rods are inserted in the second lantern rings and fixedly connected with the second valve plate, connecting plates are arranged above the first valve plate and the second valve plate, the first driving rods and the second driving rods are respectively and rotatably connected to two sides of the connecting plates through bearings, first gears are fixedly sleeved above the first driving rods, second gears are fixedly sleeved above the second driving rods, the valve comprises a connecting plate, a valve rod, a main gear, a first valve plate and a second valve plate, wherein the valve rod is rotatably connected to the center of the connecting plate, the main gear is fixedly sleeved below the valve rod and is meshed and toothed with the first gear and the second gear on two sides, a row of first through holes are formed in the first valve plate in a penetrating mode, and a row of second through holes are formed in the second valve plate in a penetrating mode.
2. A butterfly valve plate according to claim 1, characterized in that: the first valve plate and the second valve plate are in the same plane when closed, and the first valve plate and the second valve plate are symmetrically arranged relative to a central axis of the valve rod.
3. A butterfly valve plate according to claim 2, characterized in that: the straight side of first valve plate is equipped with the lock joint end of others, the straight side of second valve plate is equipped with the female end of lock joint, and when first valve plate and second valve plate were closed, the lock joint end of others and the mutual lock joint of the female end of lock joint.
4. A butterfly valve plate according to claim 1, characterized in that: every first through-hole aperture one is makeed the hole length and is different, first through-hole mutual parallel arrangement and perpendicular to first actuating lever, every second through-hole aperture one is makeed the hole length and is different, second through-hole mutual parallel arrangement and perpendicular to second actuating lever.
5. The butterfly valve plate of claim 4, wherein: the first driving rod is fixedly connected with the upper end and the lower end of the first valve plate, a first vertical hole is formed in the first valve plate, the first driving rod penetrates through the first vertical hole, and two sides of the first vertical hole are communicated with each first through hole.
6. A butterfly valve plate according to claim 5, characterized in that: the second driving rod is fixedly connected with the upper end and the lower end of the second valve plate, a second vertical hole is formed in the second valve plate, the second driving rod penetrates through the second vertical hole, and two sides of each second vertical hole are communicated with each second through hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021645109.8U CN213064651U (en) | 2020-08-10 | 2020-08-10 | Valve plate of butterfly valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021645109.8U CN213064651U (en) | 2020-08-10 | 2020-08-10 | Valve plate of butterfly valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213064651U true CN213064651U (en) | 2021-04-27 |
Family
ID=75581014
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021645109.8U Active CN213064651U (en) | 2020-08-10 | 2020-08-10 | Valve plate of butterfly valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213064651U (en) |
-
2020
- 2020-08-10 CN CN202021645109.8U patent/CN213064651U/en active Active
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