CN212839445U

CN212839445U - Soft sealing butterfly valve with replaceable valve seat

Info

Publication number: CN212839445U
Application number: CN202021873273.4U
Authority: CN
Inventors: 项晓飞
Original assignee: Qiangke Valve Group Co ltd
Current assignee: Qiangke Valve Group Co ltd
Priority date: 2020-09-01
Filing date: 2020-09-01
Publication date: 2021-03-30
Anticipated expiration: 2030-09-01

Abstract

The utility model relates to a butterfly valve technical field specifically is a soft sealed butterfly valve of removable disk seat formula, the valve rod is located one section in the valve body and installs the dish board, one side of valve body is provided with and forms sealed vice disk seat with the dish board, and the disk board was kept away from to the disk seat one side is contradicted and is had solid fixed ring, solid fixed ring screw in valve body one side inner wall, and the valve body is connected with the worm wheel head in the upper end of valve rod, and the lower extreme of worm wheel head is connected with the support that the lower extreme was installed in the valve body upper end, and drive valve rod pivoted hand wheel is installed to the. This removable disk seat formula soft seal butterfly valve when accessories such as change disk seat, only need the screw thread to screw out solid fixed ring, the disk seat just can quick replacement, dismantles the dish board, only needs to screw out the screw rod can quick replacement dish board, change accomplish the back solid fixed ring screw in can, relative traditional wafer formula soft seal butterfly valve, labour saving and time saving when changing the accessory has very strong practicality.

Description

Soft sealing butterfly valve with replaceable valve seat

Technical Field

The utility model relates to a butterfly valve technical field specifically is a removable disk seat formula soft seal butterfly valve.

Background

A wafer butterfly valve, in the cylindrical channel of the valve body, the disk butterfly plate rotates around the axis, the rotation angle is 0-90 degrees, the flow adjusting function can be achieved, and when the butterfly plate rotates to 90 degrees, the valve reaches the maximum opening degree. The opposite clamping butterfly valve has simple structure, small volume and light weight and only consists of a few parts. And the valve can be quickly opened and closed only by rotating 90 degrees, the operation is simple, and meanwhile, the valve has good fluid control characteristics. Most of the conventional butt-clamp type soft sealing butterfly valves are of a rubber lining type, when the rubber lining is damaged and needs to be replaced, components such as a valve rod and the like need to be completely disassembled, the rubber lining can be replaced, and the butterfly valves are troublesome.

Disclosure of Invention

An object of the utility model is to provide a removable disk seat formula soft seal butterfly valve 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 removable disk seat formula soft seal butterfly valve, includes the valve body and is located the valve rod of valve body, and the upper portion of valve body is provided with the filler that surrounds the valve rod, and the gland that is located the filler top is installed to the upper end of valve body, the valve rod is located one section in the valve body and installs the dish board, one side of valve body is provided with and forms sealed vice disk seat with the dish board, and the disk board was kept away from to the disk seat one side is contradicted and is had solid fixed ring, gu fixed ring screw in valve body one side inner wall, the valve body is connected with the worm gear head in the upper end of valve rod is passed to the upper end, and the lower extreme of worm gear head is connected with the.

Preferably, the disc plate passes through a screw hole formed in the side wall of the valve rod through a bolt and is detachably connected and fixed with the valve rod.

Preferably, the outer side wall of one end of the fixing ring in the valve body is sleeved with an O-shaped ring, and the inner side wall of the valve body is provided with a ring groove for placing the O-shaped ring.

Preferably, a switch indicating cover for displaying opening and closing of the disc plate is mounted on the worm gear head.

Preferably, the end face of one side of the fixing ring, which is far away from the valve seat, is flush with the end face of the side wall of the valve body.

Compared with the prior art, the beneficial effects of the utility model are that: this removable disk seat formula soft seal butterfly valve when accessories such as change disk seat, only need the screw thread to screw out solid fixed ring, the disk seat just can quick replacement, dismantles the dish board, only needs to screw out the screw rod can quick replacement dish board, change accomplish the back solid fixed ring screw in can, relative traditional wafer formula soft seal butterfly valve, labour saving and time saving when changing the accessory has very strong practicality.

Drawings

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

fig. 2 is a schematic side view of the present invention shown in fig. 1.

In the figure: the valve comprises a valve body 1, a valve rod 2, a pin shaft 3, a disc plate 4, a valve seat 5, an O-shaped ring 6, a fixing ring 7, packing 8, a packing gland 9, a support 10, a worm wheel head 11, a hand wheel 12 and a switch indicating cover 13.

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 removable disk seat formula soft seal butterfly valve, includes valve body 1 and is located valve rod 2 of valve body 1, and the upper portion of valve body 1 is provided with the packing 8 that surrounds valve rod 2, and the gland 9 that is located the packing 8 top is installed to the upper end of valve body 1, and one section that valve rod 2 is located valve body 1 is installed dish board 4, and the screw that sets up on the 2 lateral walls of valve rod is passed through the bolt to dish board 4 fixed with the detachable being connected of valve rod 2, and the maintenance is changed in the convenient dismantlement.

One side of valve body 1 is provided with and forms sealed vice disk seat 5 with dish board 4, disk seat 5 is kept away from one side conflict of dish board 4 has solid fixed ring 7, solid fixed ring 7 screw thread screw in 1 one side inner wall of valve body, the lateral wall cover that solid fixed ring 7 is located 1 interior one end of valve body is equipped with O type circle 6, prevent that the fluid from outwards flowing, sealing effect, the ring channel that is used for placing O type circle 6 is offered to the inside wall of valve body 1, gu fixed ring 7 keeps away from a side end face of disk seat 5 and the lateral wall terminal surface parallel and.

The upper end of the valve rod 2 penetrates through the valve body 1 to be connected with a worm gear head 11, the lower end of the worm gear head 11 is connected with a support 10, the lower end of the support is installed at the upper end of the valve body 1, a hand wheel 12 driving the valve rod 2 to rotate is installed on the side wall of one end of the worm gear head 11, and a switch indicating cover 13 used for displaying opening and closing of the disc plate 4 is installed on the worm gear head 11.

This removable disk seat formula soft seal butterfly valve when changing accessories such as disk seat 5, only need the screw thread to screw out solid fixed ring 7, disk seat 5 just can quick replacement, dismantles dish 4, only needs to screw out the screw rod can quick replacement dish 4, change accomplish after solid fixed ring 7 screw in can, traditional butt clamp formula soft seal butterfly valve relatively saves time and laborsaving when changing the accessory, has very strong practicality.

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

1. The utility model provides a removable disk seat formula soft seal butterfly valve, includes valve body (1) and is located valve rod (2) of valve body (1), and the upper portion of valve body (1) is provided with packing (8) that surround valve rod (2), and gland (9) that are located packing (8) top are installed to the upper end of valve body (1), its characterized in that: one section that valve rod (2) are located valve body (1) is installed dish board (4), one side of valve body (1) is provided with and forms sealed vice disk seat (5) with dish board (4), and disk board (4) was kept away from in disk seat (5) one side is contradicted and is had solid fixed ring (7), gu fixed ring (7) screw thread screw in valve body (1) one side inner wall, the upper end of valve rod (2) is passed valve body (1) and is connected with worm wheel head (11), the lower extreme of worm wheel head (11) is connected with support (10) that the lower extreme was installed in valve body (1) upper end, drive valve rod (2) pivoted hand wheel (12) are installed to the one end lateral wall of worm wheel head (.

2. The butterfly valve with a replaceable valve seat according to claim 1, wherein: the disc plate (4) penetrates through a screw hole formed in the side wall of the valve rod (2) through a bolt to be detachably connected and fixed with the valve rod (2).

3. The butterfly valve with a replaceable valve seat according to claim 1, wherein: the outer side wall, located at one end of the valve body (1), of the fixing ring (7) is sleeved with an O-shaped ring (6), and an annular groove used for placing the O-shaped ring (6) is formed in the inner side wall of the valve body (1).

4. The butterfly valve with a replaceable valve seat according to claim 1, wherein: and a switch indicating cover (13) for displaying the opening and closing of the disc plate (4) is arranged on the worm wheel head (11).

5. The replaceable valve seat type soft seal butterfly valve of claim 3, wherein: the end face of one side, far away from the valve seat (5), of the fixing ring (7) is flush with the end face of the side wall of the valve body (1).