CN213176881U

CN213176881U - Stable medium shunt blowdown valve

Info

Publication number: CN213176881U
Application number: CN202021866922.8U
Authority: CN
Inventors: 陈娟; 张峻杰
Original assignee: Fujian Odes Valve Technology Co ltd
Current assignee: Fujian Odes Valve Technology Co ltd
Priority date: 2020-09-01
Filing date: 2020-09-01
Publication date: 2021-05-11
Anticipated expiration: 2030-09-01

Abstract

The utility model discloses a medium stable shunt blowdown valve, which structurally comprises a valve body, a shunt pipe, a flange, a valve cover, a protective cover, a grease injection valve, a valve rod, a hand wheel, a valve cap, a nut, a valve rod nut, an in-core cavity, a valve core, a valve seat, a filter screen, a blowdown sleeve, a flow guide sleeve, a sealing gasket, a second filter screen and a spacer ring, by arranging the flow dividing pipe at the bottom end of the valve body, arranging the flow guide sleeve at the bottom end of the valve core, arranging through holes at the two ends of the center of the flow guide sleeve and arranging the sealing gasket at the bottom end, when the flow dividing is not needed, the valve rod can be rotated to enable the sealing gasket to be matched with the shunt pipe, so that fluid can not flow into the shunt pipe and flow out of the through hole arranged in the flow guide sleeve, the utility model has the advantages of improving the simple structure of the traditional drain valve, and only the single channel can't shunt, and the blowoff valve of traditional single channel is owing to lack the reposition of redundant personnel, and is very serious to the inside washing away of pipeline, leads to blowoff valve to damage ground beneficial effect.

Description

Stable medium shunt blowdown valve

Technical Field

The utility model belongs to the technical field of the blowoff valve, in particular to stable reposition of redundant personnel blowoff valve of medium.

Background

The blowoff valve evolves by the gate valve and comes, utilize the rotatory 90 degrees drive valve rod of gear to promote the purpose of realizing opening and closing, moment is little, and is easy and simple to handle, easily realize opening and close fast, and not only simple structure, the leakproofness is good, and small in addition, light in weight, the material consumes fewly, the erection dimension is little, along with scientific and technological's rapid development, the technological improvement has also been obtained, but the novel blowoff valve simple structure of prior art, and only the single channel can't shunt, the blowoff valve of traditional single channel is owing to lack the reposition of redundant personnel, it is very serious to the inside washing away of pipeline, lead to the blowoff.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

In order to overcome prior art not enough, now provide a stable reposition of redundant personnel blowoff valve of medium to solve blowoff valve simple structure, and only the single channel can't shunt, the blowoff valve of traditional single channel is owing to lack the reposition of redundant personnel, and is very serious to the inside washing away of pipeline, leads to the problem that the blowoff valve damaged.

(II) technical scheme

The utility model discloses a following technical scheme realizes: the utility model provides a medium stable shunt blowdown valve, which comprises a valve body, a shunt pipe, a flange, a valve cover, a protective cover, a grease injection valve, a valve rod, a hand wheel, a valve cap, a nut, a valve rod nut, a cavity in the core, a valve seat, a filter screen, a blowdown sleeve, a flow guide sleeve, a sealing gasket, a second filter screen and a spacer ring; the bottom end of the valve body is provided with a flow dividing pipe, the flow dividing pipe is in through connection with the inside of the valve body, two ends of the valve body are provided with pipeline connecting ports with flanges, the top end of the valve body is connected with a valve cover, the top end of the valve cover is provided with a protective cover, one end of a valve rod is installed in the protective cover, one end of the valve rod extends out of the protective cover, one side of the protective cover is provided with a grease injecting valve and is connected with an arranged spacer ring, the top end of the valve rod is provided with a nut, the valve rod is installed with a valve cap, the valve rod is fixedly connected with a hand wheel, a valve rod nut and the valve rod are arranged in the protective cover and are connected, the bottom end of the valve rod is.

Furthermore, the spacer ring is connected with the grease injection valve, an upper filler, a middle filler and a lower filler are arranged in the spacer ring, a grease cavity is formed between the lower filler and the inside of the spacer ring, and the grease cavity is matched with the valve rod.

Furthermore, the valve body is connected with the valve cover through a bolt, and a sealing gasket is arranged at the joint of the valve body and the valve cover.

Furthermore, the sealing gasket is in clearance fit with the pipeline inside the shunt pipe.

Furthermore, the packing in the partition ring is assembled in a laminated mode, wherein the packing comprises an upper packing, a middle packing and a lower packing from top to bottom in sequence, and the number of formed sealing units is 3.

Furthermore, the valve body, the valve cover and the hand wheel are all made of hard alloy.

Furthermore, the diameter of the shunt pipe is the same as that of the pipeline connecting opening of the valve body.

Furthermore, the center of the flow guide sleeve is provided with a through hole with two ends penetrating through.

(III) advantageous effects

Compared with the prior art, the utility model, following beneficial effect has:

1) because lack the reposition of redundant personnel for solving the blowoff valve of traditional single channel, it is very serious to the inside washing away of pipeline, leads to the problem that the blowoff valve damaged, through be equipped with the shunt tubes in the valve body bottom, the case bottom is equipped with the water conservancy diversion cover, water conservancy diversion cover center department is equipped with both ends and runs through the through-hole and the bottom is equipped with sealed the pad, when need not shunt, but the sealed cooperation of pad to the shunt tubes of rotary valve rod messenger, make the fluid can't follow the intraductal inflow of shunt, flow out.

2) The valve rod generates rust for solving the problem that the blowoff valve is used for a long time, so that the blowoff valve cannot be used, the grease injection valve is arranged outside the protective cover and is connected with the spacer ring, three layers of filler are arranged in the spacer ring, and the grease cavity is arranged, so that the valve rod can be effectively protected by grease lubrication for a long time.

Drawings

Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:

fig. 1 is a schematic perspective view of the present invention;

fig. 2 is a schematic front view of the cross-sectional structure of the present invention;

FIG. 3 is a schematic view of the structure at A in FIG. 2 according to the present invention;

FIG. 4 is a schematic view of the structure at B of FIG. 2 according to the present invention;

in the figure: 1-valve body, 2-shunt tube, 3-flange, 4-valve cover, 5-bolt, 6-protective cover, 7-grease injection valve, 8-valve rod, 9-handwheel, 10-valve cap, 11-nut, 12-valve rod nut, 13-core inner cavity, 14-valve core, 15-valve seat, 16-filter screen, 17-pollution discharge sleeve, 19-flow guide sleeve, 19-sealing pad, 20-second filter screen, 21-spacer ring, 22-upper packing, 23-middle packing, 24-lower packing and 25-grease cavity.

Detailed Description

Referring to fig. 1, fig. 2, fig. 3 and fig. 4, the present invention provides a medium stable flow dividing blowoff valve: the device comprises a valve body 1, a shunt pipe 2, a flange 3, a valve cover 4, a protective cover 6, a grease injection valve 7, a valve rod 8, a hand wheel 9, a valve cap 10, a nut 11, a valve rod nut 12, a cavity 13 in the valve core, a valve core 14, a valve seat 15, a filter screen 16, a pollution discharge sleeve 17, a flow guide sleeve 18, a sealing gasket 19, a second filter screen 20 and a spacer ring 21; the bottom end of a valve body 1 is provided with a shunt pipe 2, the shunt pipe 2 is connected with the interior of the valve body 1 in a penetrating way, two ends of the valve body 1 are provided with pipeline connectors with flanges 3, the top end of the valve body 1 is connected with a valve cover 4, the top end of the valve cover 4 is provided with a protective cover 6, one end of a valve rod 8 is arranged in the protective cover 6, the other end extends out of the protective cover 6, one side of the protective cover 6 is provided with a grease injection valve 7 and is connected with a spacer ring 21, the top end of the valve rod 8 is provided with a nut 11 and is provided with a valve cap 10, the valve rod 8 is fixedly connected with a hand wheel 9, a valve rod nut 12 arranged in the protective cover 6 is connected with the valve rod 8, the bottom end of the valve rod 8 is provided with a valve core 14, the valve core 14 and the interior of the valve body, a second filter screen 20 is arranged in the shunt pipe 2.

The spacer ring 21 is connected with the grease injection valve 7, an upper filler 22, a middle filler 23 and a lower filler 24 are arranged in the spacer ring 21, a grease cavity 25 is formed between the lower filler 24 and the inside of the spacer ring 21, and the grease cavity 25 is matched with the valve rod 8.

The valve body 1 is connected with the valve cover 4 through a bolt 5, and a sealing gasket is arranged at the joint of the valve body 1 and the valve cover 4.

Wherein, the sealing gasket 19 is in clearance fit with the inner pipeline of the shunt pipe 2.

Wherein, the diameter of the shunt pipe 2 is the same as the diameter of the pipeline connecting port of the valve body 1.

The filler in the spacer ring 21 is assembled in a laminated manner, and comprises an upper filler 22, a middle filler 23 and a lower filler 24 from top to bottom in sequence, wherein the number of the formed sealing units is 3.

Wherein, the center of the flow guide sleeve 18 is provided with a through hole with two ends penetrating through.

The valve body 1, the valve cover 4 and the hand wheel 9 are all made of hard alloy.

The working principle is as follows: the shunt pipe 2 is connected with the flange 3, the valve body 1 is connected with the valve cover 4 through the bolt 5, before use, grease is injected into the spacer ring 21 through the grease injection valve 7, three layers of packing are arranged in the spacer ring, a grease cavity 25 is arranged, the grease cavity 25 is connected with the valve rod 8, the valve rod 8 can be effectively protected by grease for a long time, and rusting in the use process is avoided, when the valve rod 8 is rotated but the sealing gasket 19 is not separated from the inner wall of the shunt pipe 2, fluid flows in along with the pipeline, flows out from through holes arranged in the shunt pipe 2, flows into the filter screen 16, is filtered by the filter screen 16 and then flows out from the filter screen 16, when the valve rod 8 is continuously rotated to enable the sealing gasket 19 to be separated from the inner wall of the shunt pipe 2, one part of the fluid firstly enters the shunt pipe 2, the second filter screen 20 arranged at the bottom end of, the valve body is prevented from being damaged due to the fact that the fluid is used for scouring the inside of a single pipeline due to lack of shunt.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above, it will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, but that the invention may be embodied in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned. Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. The utility model provides a medium stable reposition of redundant personnel blowoff valve which characterized in that: the device comprises a valve body (1), a shunt pipe (2), a flange (3), a valve cover (4), a protective cover (6), a grease injection valve (7), a valve rod (8), a hand wheel (9), a valve cap (10), a nut (11), a valve rod nut (12), a core cavity (13), a valve core (14), a valve seat (15), a filter screen (16), a sewage discharge sleeve (17), a flow guide sleeve (18), a sealing gasket (19), a second filter screen (20) and a spacer ring (21); the bottom end of the valve body (1) is provided with a shunt pipe (2), the shunt pipe (2) is connected with the interior of the valve body (1) in a penetrating way, two ends of the valve body (1) are provided with pipeline connectors with flanges (3), the top end of the valve body (1) is connected with a valve cover (4), the top end of the valve cover (4) is provided with a protective cover (6), one end of a valve rod (8) is installed in the protective cover (6), the other end of the valve rod extends out of the protective cover (6), one side of the protective cover (6) is provided with a grease injection valve (7) and is connected with a spacer ring (21), the top end of the valve rod (8) is provided with a nut (11) and a valve cap (10), the valve rod (8) is fixedly connected with a hand wheel (9), a valve rod nut (12) is arranged in the protective cover (6) and is connected with the valve rod (8), the bottom end of the valve core (14) is, the top end of the valve core (14) is provided with a filter screen (16), the surface of the filter screen (16) is provided with a sewage discharge sleeve (17), the bottom end of the sewage discharge sleeve (17) is provided with a guide sleeve (18), the bottom end of the guide sleeve (18) is provided with a sealing gasket (19), and a second filter screen (20) is arranged in the shunt pipe (2).

2. A media stabilizing diverter blowdown valve as claimed in claim 1, wherein: the spacer ring (21) is connected with the grease injection valve (7), an upper filler (22), a middle filler (23) and a lower filler (24) are arranged in the spacer ring (21), a grease cavity (25) is formed between the lower filler (24) and the spacer ring (21), and the grease cavity (25) is matched with the valve rod (8).

3. A media stabilizing diverter blowdown valve as claimed in claim 1, wherein: the valve body (1) is connected with the valve cover (4) through a bolt (5), and a sealing gasket is arranged at the joint of the valve body (1) and the valve cover (4).

4. A media stabilizing diverter blowdown valve as claimed in claim 1, wherein: the sealing gasket (19) is in clearance fit with the inner pipeline of the shunt pipe (2).

5. A media stabilizing diverter blowdown valve as claimed in claim 2, wherein: the diameter of the shunt pipe (2) is the same as that of the pipeline connecting port of the valve body (1).

6. A media stabilizing diverter blowdown valve as claimed in claim 1, wherein: the filler in the spacer ring (21) is assembled in a laminated mode, an upper filler (22), a middle filler (23) and a lower filler (24) are sequentially arranged from top to bottom, and the number of formed sealing units is 3.

7. A media stabilizing diverter blowdown valve as claimed in claim 1, wherein: the center of the flow guide sleeve (18) is provided with a through hole with two ends penetrating through.

8. A media stabilizing diverter blowdown valve as claimed in claim 1, wherein: the valve body (1), the valve cover (4) and the hand wheel (9) are all made of hard alloy.