CN212986069U

CN212986069U - Novel fire control butterfly valve of passageway disconnect-type

Info

Publication number: CN212986069U
Application number: CN202021733641.5U
Authority: CN
Inventors: 陈利义
Original assignee: Bohai Valve Group Co ltd
Current assignee: Bohai Valve Group Co ltd
Priority date: 2020-08-19
Filing date: 2020-08-19
Publication date: 2021-04-16
Anticipated expiration: 2030-08-19

Abstract

The utility model discloses a novel fire control butterfly valve of passageway disconnect-type belongs to butterfly valve technical field, including last valve body and lower valve body, it is two to go up to dismantle between valve body and the lower valve body and be connected with bolt and bolt, it installs the packing ring with lower valve body inside wall to go up the valve body, go up valve body top fixedly connected with mount pad, the inside cooperation of mount pad is connected with and extends to the valve rod between supreme valve body and the lower valve body, and closed in-process is opened at control valve core to its valve rod, and the direct and packing ring inner wall contact of case is compared in the structure of traditional butterfly valve case and valve body contact, when taking place wearing and tearing after long-term the use, only need to twist out the bolt and demolish down the valve body, change the packing ring can, need not whole change valve body structure, reduced cost of maintenance.

Description

Novel fire control butterfly valve of passageway disconnect-type

Technical Field

The utility model relates to a butterfly valve technical field especially relates to a novel fire control butterfly valve of passageway disconnect-type.

Background

The butterfly valve is a regulating valve with simple structure, and can be used for the on-off control of low-pressure pipeline medium, i.e. a valve whose closing member is a disk and can be rotated around the valve shaft to open and close, and can be used for controlling the flow of various fluids of air, water, steam, various corrosive media, slurry, oil product, liquid metal and radioactive medium, etc. and mainly playing the role of cutting off and throttling on the pipeline.

Patent number is CN 111412297A's the novel fire control butterfly valve of a passageway disconnect-type, valve body and medium transfer passage separation preparation effectively improve life, reduce the output of cost to be equipped with sealed detection structure in the medium transfer passage, help improving the convenience that the staff overhauld.

The fire-fighting butterfly valve has the following defects that 1, the valve body of the fire-fighting butterfly valve is of an integrated structure, the valve core directly contacts with the inner wall of the valve body, and after long-term use, when the valve body and the valve core are abraded, the whole valve body and the valve core need to be replaced, so that the maintenance is inconvenient, and the use cost is increased; 2. above-mentioned butterfly valve is functional single, only possesses basic emission control function, when the fire control was used, can contain more impurity sometimes in the water source, directly passes the butterfly valve and causes the damage to fire-fighting equipment easily, for this reason, we provide a novel fire control butterfly valve of passageway disconnect-type.

SUMMERY OF THE UTILITY MODEL

The utility model provides a novel fire control butterfly valve of passageway disconnect-type aims at adopting the valve body structure of disconnect-type, conveniently overhauls and changes, has certain filtering protection function simultaneously.

The utility model provides a specific technical scheme as follows:

the utility model provides a pair of novel fire control butterfly valve of passageway disconnect-type, including last valve body and lower valve body, it is two to go up can to dismantle between valve body and the lower valve body and be connected with bolt and bolt, it installs the packing ring with lower valve body inside wall to go up the valve body, go up valve body top fixedly connected with mount pad, the inside cooperation of mount pad is connected with the valve rod that extends to between valve body and the lower valve body, valve rod bottom fixedly connected with case, case fixed surface is connected with arc filter plate and arc filter plate is two.

Optionally, threaded holes are formed in the two ends of the inner portion of the upper valve body and the two ends of the inner portion of the lower valve body, and the bolts are screwed into the threaded holes.

Optionally, a sealing rubber pad is bonded to one side of the surface of the upper valve body and one side of the surface of the lower valve body, and the sealing rubber pad is located at the joint of the upper valve body and the lower valve body.

Optionally, a handle is fixedly connected to the top of the valve rod.

Optionally, a sealing ring is bonded to the outer side wall of the valve core, and the sealing ring is located at the joint of the valve core and the inner walls of the upper valve body and the lower valve body.

The utility model has the advantages as follows:

1. the butterfly valve body position is formed by last valve body and lower valve body combination, go up the valve body and be connected through the bolt down between the valve body, when carrying out the butterfly valve equipment, install the packing ring between last valve body and lower valve body, the valve body aligns and fixes with last valve body down after the packing ring installation, the valve rod is opening closed in-process at the control valve core, the case is direct to contact with the packing ring inner wall, compare in the structure of traditional butterfly valve case and valve body contact, when taking place wearing and tearing after long-term the use, only need to twist out the bolt and demolish down the valve body, it can to change the packing ring, need not wholly to change the valve body structure, the cost of maintenance is reduced, the convenience of inspection maintenance has been improved.

2. When valve rod control case was closed, the outer wall of case and the closure of packing ring inner wall contact completion valve body, the surperficial both sides of case all are fixed with the arc filter plate, when opening the butterfly valve, rotate the case along the valve rod, make case and packing ring inner wall separation, the outer wall and the packing ring inner wall contact of arc filter plate this moment, the inside fluid of butterfly valve normally circulates, two arc filter plate closure this moment go up the fluid circulation structure between valve body and the lower valve body, neither influence the fluid circulation, can filter the fluid simultaneously, avoid impurity damage fire-fighting equipment, break off fire-fighting equipment after the use is accomplished, reopen the butterfly valve, make inside the filterable impurity of arc filter plate can discharge the butterfly valve, accomplish inside clearance.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.

Fig. 1 is a schematic view of an overall structure of a novel fire butterfly valve with a separated passage according to an embodiment of the present invention;

fig. 2 is a schematic diagram of a top structure of a valve element of a channel-separated fire butterfly valve according to an embodiment of the present invention.

In the figure: 1. an upper valve body; 101. a threaded hole; 2. a lower valve body; 201. sealing the rubber gasket; 3. a bolt; 4. a gasket; 5. a mounting seat; 6. a valve stem; 601. a handle; 7. a valve core; 701. a seal ring; 8. an arc-shaped filter plate.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention clearer, the present invention will be described in further detail with reference to the accompanying drawings, 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 efforts belong to the protection scope of the present invention.

The novel fire butterfly valve with separated passage according to the embodiment of the present invention will be described in detail with reference to fig. 1 to 2.

Referring to fig. 1 and 2, the embodiment of the utility model provides a novel fire control butterfly valve of passageway disconnect-type, including last valve body 1 and lower valve body 2, it is two to go up to dismantle between valve body 1 and the lower valve body 2 and be connected with bolt 3 and bolt 3, it installs packing ring 4 with lower valve body 2 inside wall to go up valve body 1, go up 1 top fixedly connected with mount pad 5 of valve body, 5 inside cooperations of mount pad are connected with the valve rod 6 that extends to between valve body 1 and the

lower valve body

2, 6 bottom fixedly connected with spools 7 of valve rod, 7 fixed surface of spools are connected with arc filter plate 8 and are two.

The example, valve rod 6 opens closed in-process at control valve core 7, valve core 7 is direct to contact with 4 inner walls of packing ring, compare in the structure of traditional butterfly valve core 7 with the valve body contact, when taking place wearing and tearing after long-term the use, only need to screw out bolt 3 and demolish down valve body 2, change packing ring 4 can, need not whole change valve body structure, maintenance cost has been reduced, the convenience of inspection maintenance has been improved, when opening the butterfly valve, the outer wall of arc filter plate 8 and the contact of 4 inner walls of packing ring, the inside fluid normal circulation of butterfly valve, two arc filter plates 8 are closed the fluid circulation structure between valve body 1 and lower valve body 2 this moment, can filter the fluid, avoid impurity damage fire-fighting equipment.

Referring to fig. 1, threaded holes 101 are formed in both ends of the interior of the upper valve body 1 and the interior of the lower valve body 2, and the bolts 3 are screwed into the threaded holes 101.

For example, the bolt 3 can be conveniently screwed in through the threaded hole 101 formed at the two ends of the upper valve body 1 and the lower valve body 2 to fix the upper valve body 1 and the lower valve body 2 together.

Referring to fig. 1, a sealing rubber gasket 201 is bonded to one side of the surface of each of the upper valve body 1 and the lower valve body 2, and the sealing rubber gasket 201 is located at the joint of the upper valve body 1 and the lower valve body 2.

By way of example, the sealing rubber gasket 201 can improve the connection sealing performance of the joint of the upper valve body 1 and the lower valve body 2.

Referring to fig. 1 and 2, a handle 601 is fixedly connected to the top of the valve stem 6.

Illustratively, the handle 601 fixed on the top of the valve rod 6 can facilitate screwing the valve core 7 and the valve rod 6 to control the butterfly valve to open and close.

Referring to fig. 1 and 2, a sealing ring 701 is bonded to the outer side wall of the valve core 7, and the sealing ring 701 is located at the joint of the valve core 7 and the inner walls of the upper valve body 1 and the lower valve body 2.

For example, the sealing ring 701 bonded to the outer wall of the valve element 7 can improve the sealing property of the joint when the valve element 7 is closed.

When the butterfly valve is used, the valve body part of the butterfly valve is formed by combining an upper valve body 1 and a lower valve body 2, the upper valve body 1 is connected with the lower valve body 2 through a bolt 3, a gasket 4 is arranged between the upper valve body 1 and the lower valve body 2 when the butterfly valve is assembled, the lower valve body 2 is aligned with and fixed on the upper valve body 1 after the gasket 4 is arranged, the valve core 7 is directly contacted with the inner wall of the gasket 4 when the valve rod 6 controls the valve core 7 to be opened and closed, compared with the traditional structure that the valve core 7 of the butterfly valve is contacted with the valve body, when the valve rod is worn after long-term use, only the bolt 3 needs to be screwed out to disassemble the lower valve body 2, the gasket 4 is replaced, the whole valve body structure does not need to be replaced, the maintenance cost is reduced, the convenience of inspection and maintenance is improved, the bolt 3 can be conveniently screwed in through the threaded holes 101 formed at the two, the sealing rubber pad 201 can improve the connection sealing performance of the joint of the upper valve body 1 and the lower valve body 2, the sealing performance of the joint can be improved when the valve core 7 is closed through the sealing ring 701 bonded on the outer wall of the valve core 7, when the valve core 7 is controlled by the valve rod 6 to be closed, the outer wall of the valve core 7 is contacted with the inner wall of the gasket 4 to complete the closing of the valve body, the arc-shaped filter plates 8 are fixed on both sides of the surface of the valve core 7, when the butterfly valve is opened, the valve core 7 is rotated along the valve rod 6 to separate the valve core 7 from the inner wall of the gasket 4, the outer wall of the arc-shaped filter plate 8 is contacted with the inner wall of the gasket 4, the fluid inside the butterfly valve normally circulates, the two arc-shaped filter plates 8 close the fluid circulation structure between the valve body 1 and the lower valve body 2, the fluid circulation, make inside the filterable impurity of arc filter plate 8 can discharge the butterfly valve, accomplish inside clearance, can conveniently twist case 7 and valve rod 6 through fixing the handle 601 at the top of valve rod 6 and move, control butterfly valve opens the closure.

It should be noted that, the utility model relates to a novel fire control butterfly valve of passageway disconnect-type, including last valve body 1, screw hole 101, lower valve body 2, sealed cushion 201, bolt 3, packing ring 4, mount pad 5, valve rod 6, handle 601, case 7, sealing washer 701, arc filter plate 8, the part is general standard component or the part that technical staff in the field knows, and its structure and principle all are that this technical staff all can learn through the technical manual or learn through conventional experimental method.

It is apparent that those skilled in the art can make various changes and modifications to the embodiments of the present invention without departing from the spirit and scope of the embodiments of the present invention. Thus, if such modifications and variations of the embodiments of the present invention fall within the scope of the claims and their equivalents, the present invention is also intended to include such modifications and variations.

Claims

1. The utility model provides a novel fire control butterfly valve of passageway disconnect-type, includes valve body (1) and lower valve body (2), its characterized in that, it is two to go up to dismantle between valve body (1) and the lower valve body (2) and be connected with bolt (3) and bolt (3), it installs packing ring (4) with lower valve body (2) inside wall to go up valve body (1), go up valve body (1) top fixedly connected with mount pad (5), mount pad (5) inside fit is connected with and extends to valve rod (6) between valve body (1) and lower valve body (2), valve rod (6) bottom fixedly connected with case (7), case (7) fixed surface is connected with arc filter plate (8) and arc filter plate (8) are two.

2. The novel fire-fighting butterfly valve with separated passages is characterized in that threaded holes (101) are formed in both ends of the inner portions of the upper valve body (1) and the lower valve body (2), and the bolts (3) are screwed into the threaded holes (101).

3. The novel fire-fighting butterfly valve with separated passages as claimed in claim 1, wherein sealing rubber pads (201) are bonded to one side of the surfaces of the upper valve body (1) and the lower valve body (2), and the sealing rubber pads (201) are located at the joint of the upper valve body (1) and the lower valve body (2).

4. The novel fire-fighting butterfly valve with separated passage according to claim 1, characterized in that a handle (601) is fixedly connected to the top of the valve rod (6).

5. The novel fire-fighting butterfly valve with separated channels is characterized in that a sealing ring (701) is bonded on the outer side wall of the valve core (7), and the sealing ring (701) is positioned at the joint of the valve core (7) and the inner walls of the upper valve body (1) and the lower valve body (2).