CN214248323U - Groove installation type anti-blocking butterfly valve - Google Patents

Abstract

The utility model discloses a groove-mounted anti-blocking butterfly valve, which comprises a control box and a valve pipe, wherein the upper part and the lower part of the control box are fixed on a control box mounting seat through bolts, one side of the control box is connected with a hand wheel through a rotating shaft, a valve rod is connected below the control box and penetrates through the valve pipe, a valve plate is horizontally arranged on the valve rod, the valve plate is arranged at the central shaft of the valve pipe, the lower end of the valve rod is connected with a screwed plug, the valve tube comprises a tube neck and large-caliber ends integrally connected with two ends of the tube neck, reinforcing ribs are fixed on two sides of the outer end of the tube neck, the two ends of the large-caliber end are both provided with flange plates through the sleeve, and the filter screens are arranged in the sleeve and at the horizontal position of the cross section, so that the filter screens can filter dregs, prevent the dregs from wearing the valve plate and simultaneously avoid the internal blockage of the valve pipe; the weight of the blank of the valve body of the groove butterfly valve is reduced by matching the arranged pipe neck with the large-caliber end.

Description

Groove installation type anti-blocking butterfly valve

Technical Field

The utility model relates to a butterfly valve specifically is a groove installation type prevents blockking up butterfly valve.

Background

At present, the two ends of the valve body of the existing groove butterfly valve are mostly of uniform pipe diameters, when the pipeline connection involves the connection of branch pipelines on a main pipeline, and the branch pipelines need to be provided with the groove butterfly valves, the groove butterfly valves can be arranged only after reducer pipes are arranged on the main pipeline and led out of the branch pipelines, so that the use of the reducer pipes is correspondingly increased, the pipeline installation cost is increased, the pipeline installation procedures are increased, and the pipeline installation time is increased; meanwhile, the groove butterfly valve can only realize the connection with the groove pipe fitting, and cannot realize the variable diameter connection with the flange and the thread and the change of the connection mode with the flange and the thread. How to reduce the pipeline installation cost, shorten the pipeline installation procedure, shorten the pipeline installation time and improve the pipeline installation efficiency; how to realize the reducing of slot butterfly valve and slot pipe fitting and be connected, how to realize the reducing with flange pipe fitting, threaded pipe fitting and be connected, realize the interconnected change of slot pipe fitting and flange pipe fitting, threaded pipe fitting connected mode, it is the problem that needs to solve to widen slot butterfly valve application range and field. And the slot butterfly valve on the existing market does not set up the filter screen, can not filter the dregs in the liquid, blocks up the valve body pipe easily.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a butterfly valve is prevented blockking up by slot installation type to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a butterfly valve is prevented blockking up by ditch installation type, includes control box and valve pipe, all fix on the control box mount pad through the bolt from top to bottom the control box, control box one side is connected with the hand wheel through the pivot, the control box below is connected with the valve rod, the valve rod runs through the valve pipe, horizontal installation has the valve plate on the valve rod, the valve plate is installed valve pipe center pin department, the valve rod lower extreme is connected with the plug, the valve pipe includes pipe neck and an organic whole and is in the big bore end at pipe neck both ends, pipe neck outer end both sides all are fixed with the strengthening rib, the ring flange is all installed through sleeve pipe an organic whole in big bore end both ends, the filter screen is installed with cross-section level department to the intraductal portion of cover.

Preferably, the heavy-calibre end sets up to be loudspeaker form, just the pipe neck inner wall sets up to be circular-arc, and the radian sets up, reduces liquid flow resistance, reduces the wearing and tearing to the pipe inner wall, increase of service life.

Preferably, the inner diameter of the sleeve is slightly larger than the outer diameter of the large-diameter end, so that tight sleeving is guaranteed.

Preferably, external threads are arranged at the port of the outer end face of the large-diameter end, internal threads are arranged at the port of the inner end face of the sleeve, disassembly is convenient, and different devices can be connected to the outside of the valve pipe according to requirements.

Preferably, the valve pipe is tightly connected with the flange plate through the external threads and the internal threads, so that the connection tightness is ensured, and the valve pipe is convenient to disassemble.

Preferably, a plurality of mounting holes are formed in the outer edge of the flange plate at equal intervals, so that the flange plate is convenient to mount, dismount and overhaul and the like.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model relates to a butterfly valve is prevented to ditch installation type, the utility model discloses a big bore end that valve pipe both ends set up when switching the flow direction wantonly, guarantees that circulation speed is not influenced, and increases the area of contact of mouth of pipe and liquid, has strengthened under high pressure, the heavy-calibre condition the utility model discloses a reliability just can overcome the system dead weight right the utility model discloses the influence of normal work, the utility model discloses all from top to bottom through bolt fixed connection, thereby can conveniently dismantle and change internals and overhaul. The utility model filters the dregs in the circulating liquid through the arranged filter screen, prevents the dregs from wearing the valve plate and avoids the internal blockage of the valve pipe; utility model has realized that slot butterfly valve body blank falls heavily through the big bore end of pipe neck cooperation that sets up, has realized this slot butterfly valve lightweight, has reduced this slot butterfly valve material consumption and manufacturing cost, has improved this slot butterfly valve pipe machining efficiency.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

fig. 2 is a schematic view of the valve body tube structure of the present invention.

In the figure: 1-hand wheel; 2-a rotating shaft; 3-a bolt; 4-a control box; 5-control box mounting base; 6-valve stem; 7-a valve plate; 8-valve tube; 9-plug; 10-a flange plate; 11-a filter screen; 12-mounting holes; 13-large-caliber end; 14-reinforcing ribs; 15-external thread; 16-internal thread; 17-a sleeve; 18-neck.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-2, the present invention provides a technical solution: the utility model provides a butterfly valve is prevented blockking up by slot installation type, includes control box 4 and valve pipe 8, all fix on control box mount pad 5 through bolt 3 from top to bottom in control box 4, 4 one side of control box is connected with hand wheel 1 through pivot 2, 4 below of control box are connected with valve rod 6, valve rod 6 runs through valve pipe 8, horizontal installation has valve plate 7 on the valve rod 6, valve plate 7 is installed 8 center pin departments of valve pipe, 6 lower extremes of valve rod are connected with plug 9, valve pipe 8 includes pipe neck 18 and the body coupling is in the heavy-calibre end 13 at 18 both ends of pipe neck, 18 outer end both sides of pipe neck all are fixed with strengthening rib 14, 13 both ends in heavy-calibre end all install ring flange 10 through sleeve 17 an organic whole, filter screen 11 is installed to the inside and the cross-section level department of sleeve 17.

Heavy-calibre end 13 sets up to be the loudspeaker form, just 18 inner walls of pipe neck set up and are circular-arcly, and the radian sets up, reduces the liquid flow resistance, reduces the wearing and tearing to the pipe inner wall, increase of service life, sleeve pipe 17 internal diameter slightly is greater than the external diameter of heavy-calibre end 13 guarantees to closely cup joint, 13 outer end port department of heavy-calibre end is provided with external screw thread 15, end port department is provided with built-in screw thread 16 in the sleeve pipe 17, convenient dismantlement, and valve pipe 8 outside can be according to the different devices of demand connection, valve pipe 8 with pass through between the ring flange 10 external screw thread 15 with 16 zonulae occludens of built-in screw thread guarantees the compact type of connecting, and convenient to dismantle, a plurality of mounting hole 12 has been seted up to the equidistance on the 10 outward flange, convenient to install and dismantle and overhaul etc.

The working principle is as follows: the utility model relates to a butterfly valve is prevented blockking up by slot installation type, during the installation, with ring flange 10 and sleeve pipe 17 a body coupling's bore device, realize zonulae occludens through external screw 15 and built-in screw 16's cooperation, filter screen 11 is also installed in valve pipe 8 both sides simultaneously, the utility model discloses a big bore end 13 diameter is greater than pipe neck 18 diameter, guarantees the utility model discloses if change the liquid flow direction when using, pressure when big bore end 13 reduces the liquid and flows in, the wearing and tearing that valve pipe 8 receives can reduce, then will wholly and outside pipeline a body coupling through mounting hole 12 on the ring flange 10, then rotate pivot 2 through hand wheel 1 during the use, pivot 2 with the inside corner gear system of coaxial drive control box 4, control valve rod 6 rotates to rotate valve plate 7, realize the liquid circulation.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (6)

1. The utility model provides a butterfly valve is prevented blockking up by slot installation type which characterized in that: the valve comprises a control box (4) and a valve pipe (8), the control box (4) is fixed on a control box mounting seat (5) through bolts (3) from top to bottom, one side of the control box (4) is connected with a hand wheel (1) through a rotating shaft (2), a valve rod (6) is connected below the control box (4), the valve rod (6) penetrates through the valve pipe (8), a valve plate (7) is horizontally arranged on the valve rod (6), the valve plate (7) is arranged at the center shaft of the valve pipe (8), the lower end of the valve rod (6) is connected with a plug (9), the valve pipe (8) comprises a pipe neck (18) and large-diameter ends (13) which are integrally connected with the two ends of the pipe neck (18), reinforcing ribs (14) are fixed on the two sides of the outer end of the pipe neck (18), and flange plates (10) are integrally installed at the two ends of the large-diameter ends (13) through sleeves (17), and a filter screen (11) is arranged in the sleeve (17) and at the horizontal position of the section.

2. The groove-mounted anti-clogging butterfly valve of claim 1, wherein: the large-caliber end (13) is arranged in a horn shape, and the inner wall of the pipe neck (18) is arranged in an arc shape.

3. The groove-mounted anti-clogging butterfly valve of claim 1, wherein: the inner diameter of the sleeve (17) is slightly larger than the outer diameter of the large-diameter end (13).

4. The groove-mounted anti-clogging butterfly valve of claim 1, wherein: external threads (15) are arranged at the outer end face port of the large-caliber end (13), and internal threads (16) are arranged at the inner end face port of the sleeve (17).

5. The groove-mounted anti-clogging butterfly valve of claim 4, wherein: the valve pipe (8) is tightly connected with the flange plate (10) through the external thread (15) and the internal thread (16).

6. The groove-mounted anti-clogging butterfly valve of claim 1, wherein: a plurality of mounting holes (12) are equidistantly formed in the outer edge of the flange plate (10).

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