Blind plate valve

Abstract

The utility model relates to the technical field of valves, in particular to a blind plate valve. Comprising two valve bodies, a valve plate is arranged between the two valve bodies, a flange and three supporting lugs are arranged at the ends, away from the valve plate, of the valve bodies, through holes are formed in the three supporting lugs, a screw rod assembly penetrates through the through holes in the corresponding supporting lugs on the two valve bodies, a long hole is formed in one side of the valve plate, and the screw rod assembly penetrates through the long hole. And the screw rod on one screw rod assembly penetrates through the long hole. The utility model has the advantages that the occupied space is small, and materials are saved.

Description

TECHNICAL FIELD

[0001] The utility model relates to valve technical field especially relates to a blind plate valve. BACKGROUND

[0002] The blind plate valve is a kind of gate valve for cutting off gas medium, can be manual, electric, pneumatic or hydraulic operation. It is usually applied to gas medium pipeline system in industrial and mining enterprises, municipal, environmental protection and other industries, especially suitable for cutting off harmful, toxic, flammable gas. The blind plate valve of prior art is provided with through hole on one side of valve plate, one screw rod passes through the through hole, when opening or closing the valve, the screw rod in the through hole is used as the axis to rotate the valve plate, since the through hole is located on one side of the valve plate, in order to make other screw rods not to block the valve plate, the size of lug is made relatively large, which occupies large space and wastes materials. SUMMARY

[0003] The utility model solves the technical problem existing in the above, provides a blind plate valve.

[0004] To solve the above technical problem, the technical scheme adopted by the utility model is: a blind plate valve, including two valve bodies, and the two valve bodies are provided with valve plate, the valve body is provided with flange and three lugs on the end away from the valve plate, the three lugs are all provided with through hole, screw rod assembly passes through the through hole on the corresponding lug on the two valve bodies, one side of the valve plate is provided with long hole, and the screw rod on one of the screw rod assemblies passes through the long hole.

[0005] Further optimize the technical scheme, the lug is arranged on the flange.

[0006] Further optimize the technical scheme, the two sides of the valve plate are provided with baffle.

[0007] Compared with prior art, the utility model has the following advantages: long hole is arranged on one side of the valve plate, when opening or closing the valve, the screw rod can slide relative to the long hole, so that the distance between the lower side of the two ends of the valve plate and the screw rod in the long hole is shortened, so that the length of the lug is shortened, the occupied space is reduced, and the material is saved. BRIEF DESCRIPTION OF DRAWINGS

[0008] Figure 1 It is a kind of blind plate valve structure schematic view.

[0009] In the drawing: 1, valve body;11, lug;2, valve plate;21, long hole;3, screw rod assembly. DETAILED DESCRIPTION

[0010] The technical solutions of the present application will be described clearly and completely in connection with the drawings. Obviously, the described embodiments are only some of the embodiments of the present application, but not all the embodiments. Based on the embodiments of the present application, all the other embodiments obtained by those skilled in the art without creative labor are within the protection scope of the present application.

[0011] DETAILED DESCRIPTION Figure 1 As shown in the drawings, a blind plate valve comprises two valve bodies 1, and a valve plate 2 is arranged between the two valve bodies 1. One side of the valve plate 2 is a blind plate, and the other side is provided with a through-flow hole. The valve body 1 is provided with a flange and three lugs 11 at the end away from the valve plate 2. The three lugs 11 are all provided with through holes. A screw rod assembly 3 comprises a screw rod, a gasket and a nut. The screw rod assembly 3 passes through the through holes in the corresponding lugs 11 of the two valve bodies 1. The screw rod assembly 3 is tightened to clamp the two valve bodies 1 and the valve plate 2. One side of the valve plate 2 is provided with a long hole 21. The screw rod on one of the screw rod assemblies 3 passes through the long hole 21. Figure 1 As shown in the drawings, when the valve is opened or closed, the screw rod assembly 3 is loosened, the valve plate 2 is pulled upwards first, and in this process, the long hole 21 moves relative to the screw rod inside it, so that the distance between the lower side of the two ends of the valve plate 2 and the screw rod inside the long hole 21 becomes shorter, thereby the rotation diameter becomes smaller. At this time, the length of the lug 11 can be smaller, the occupied space is reduced, and the material is saved. When the rotation is in place, the valve plate 2 is pushed downwards, and the screw rod is located at the top of the long hole 21.

[0012] Further, the lug 11 is arranged on the flange, thereby saving the material of the lug 11.

[0013] Further, the two sides of the valve plate 2 are provided with a stop bar. When the stop bar contacts the valve body 1 and the screw rod is located at the top of the long hole 21, the valve plate 2 is in the correct position. At this time, the screw rod assembly 3 can be tightened to fix the valve plate 2.

[0014] Obviously, the above embodiments are only examples for clearly illustrating, but not limiting the embodiments. For those skilled in the art, other different forms of changes or variations can be made on the basis of the above description. Here, all the embodiments do not need to be exhausted. The obvious changes or variations derived therefrom are still within the protection scope of the present application.

Claims

1. A blind plate valve comprising two valve bodies (1) and a valve plate (2) arranged between the two valve bodies (1), the valve bodies (1) being provided with flanges and three lugs (11) at the end away from the valve plate (2), the three lugs (11) being provided with through holes, and a screw rod assembly (3) passing through the through holes of the corresponding lugs (11) of the two valve bodies (1), characterized in that: One side of the valve plate (2) is provided with a long hole (21), and a screw rod on one screw rod assembly (3) passes through the long hole (21). ​ 2. A blind flange valve according to claim 1, characterized in that: The lug (11) is arranged on the flange.

3. A blind flange valve according to claim 1, characterized in that: Both sides of the valve plate (2) are provided with a baffle.

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