CN2913758Y - Fast on-off gate valve - Google Patents

Abstract

The utility model discloses a rapidly opened/closed gate valve which includes a shell and gate plates, which is characterized in that a sealed gate cover is arranged on the shell, a curved groove with conoid surface is arranged inside the shell, two round gate plates are installed inside the curved groove. A globe-headed shaft is arranged at the center of one gate plate and a spherical hole is provided at the center of the other gate plate and globe head of the globe-headed shaft is butt jointed inside the spherical hole. A level is installed on the globe-headed shaft, a pivot rotating shaft of the level is arranged at one side of the shell and the force-applying end of the level extends out of the shell to form a handle. When closing the valve, the handle is lifted to press the gate plate into the bottom of the curved groove so as to block the inlet/outlet of the shell; and when opening the valve, the handle is pressed downwards to rotate the gate plate upwards around the pivot shaft so as to open the inlet/outlet. Without rotating handle like the conventional gate valve, the utility model can be opened and closed rapidly by operating the handle, and is more convenient in electric control and liquid control.

Description

A kind of gate valve of fast opening and closing

Technical field

The application belongs to the pipeline gate valve.

Background technique

The gate valve of in fluid line, using at present, comprise parts such as housing, flashboard, screw rod, handwheel, " U " shape groove that the band conical surface is arranged in its housing, " U " shape flashboard of the band conical surface is installed in " U " shape groove, and the armrest wheel turns the perforation that screw rod is imported and exported the upper and lower mobile realization flashboard of flashboard both sides.Because moving up and down of flashboard is that armrest wheel one circle circle moves, switching speed is slow, and very difficult moment finishes when especially running into urgent keyings.

Summary of the invention

The objective of the invention is to overcome existing gate valve and open and close slow deficiency, a kind of gate valve of fast opening and closing is provided.

The application is achieved in that it comprises housing and flashboard, it is characterized in that, Packed sluice cover on the housing has the curved surface groove of being with the conical surface in the housing, two circular flashboards are installed in the curved surface groove, the home position of a slice flashboard has ball head, the home position of another sheet flashboard has the sphere cave, and the bulb of ball head is docked in the sphere cave, is that the effect axle is installed a lever with the ball head, in a side of housing the fulcrum running shaft of lever is arranged, the reinforcing end of lever stretches out housing and constitutes handle outward.

Its action principle is: handle lifts when closing, flashboard is compressed into the bottom of shaped groove, just in time the import and export with housing block, because the effect of bulb hole, two flashboards are freely connected, sealing is realized in oneself's centering angle and housing rim of the mouth, and the external force effect of handle makes flashboard and housing press tighter and tighter in addition; When opening, handle to be depressed, flashboard is that upwards rotate in the center of circle immediately with the fulcrum shaft, opens import and export.

Because no longer rotation hand wheel opens and closes as traditional gate valve, so opening speed is fast, as long as an active handle is with regard to execution.The application be used in use in the automatically controlled and hydraulic control convenient.

Description of drawings

Fig. 1 is the part sectioned view of the embodiment of the present application plan view; Fig. 2 is embodiment's a side cutaway view, has omitted the valve gap part among the figure.

Embodiment

The 1--lever, 2--axle, 3--inside connecting rod, the flashboard in 4--dribbling cave, the flashboard of 5--band ball head, 6--housing, 7--curved surface groove, 8--valve gap, 9, the 10--connection mouth, 11--rim of the mouth.

As shown in Figure 1 and Figure 2, housing 6 connects into a whole housing with valve gap 8 usefulness bolts, the housing inner chamber is processed with the curved surface groove 7 of the band conical surface, and both sides are processed with the connection mouth 9 and 10 of connecting tube, and curved surface groove 7 forms rim of the mouth 11, the flashboard 4 in dribbling cave and the flashboard 5 of band ball head are installed in the inner chamber, the butt joint of hole and bulb also is processed with in a side of housing and revolves axis hole, be fulcrum installation lever 1 with the axle 2 that revolves that revolves on the axis hole, the effect end of lever 1 has axis hole, and the ball head of flashboard 5 is inserted in the axis hole.

For the ease of installation processing, the lever 1 among the embodiment is made up of two joints, is inside connecting rod 3 in housing, is handle outside housing, and two joints are plugged on together by revolving axle 2, realizes rotating together by the square hole and the square toes that revolve axle 2 of termination.

Claims (1)

1, a kind of gate valve of fast opening and closing, it comprises housing and flashboard, it is characterized in that Packed sluice cover on the housing, the curved surface groove that the band conical surface is arranged in the housing, two circular flashboards are installed in the curved surface groove, and the home position of a slice flashboard has ball head, and the home position of another sheet flashboard has the sphere cave, the bulb of ball head is docked in the sphere cave, a lever is installed on ball head, in a side of housing the fulcrum running shaft of lever is arranged, the reinforcing end of lever stretches out housing and constitutes handle outward.

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