CN211649094U

CN211649094U - Waterproof sealing butterfly valve

Info

Publication number: CN211649094U
Application number: CN201922356614.4U
Authority: CN
Inventors: 刘小辉
Original assignee: Jiangsu Lester Measurement And Control Technology Co ltd
Current assignee: Jiangsu Lester Measurement And Control Technology Co ltd
Priority date: 2019-12-25
Filing date: 2019-12-25
Publication date: 2020-10-09
Anticipated expiration: 2029-12-25

Abstract

The utility model discloses a waterproof sealing butterfly valve, including valve body, bulge loop and sealed ring of gluing, the shaping of valve body both ends has the bulge loop, the inboard of valve body is spliced the sealed ring of gluing, sealed ring inboard of gluing is provided with sealed dish, the welding of sealed dish center has the pivot. Has the advantages that: the utility model discloses a sealing washer, sealing lip ring and the sealed ring of gluing that set up for sealed dish when the rotation is closed, through sealing washer, sealing lip ring and sealed ring crimping between sealed dish and the valve body and seal, and then make the leakproofness between sealed dish and the valve body obtain guaranteeing, avoid appearing the gap, and then avoid appearing leaking.

Description

Waterproof sealing butterfly valve

Technical Field

The utility model relates to a valve field, concretely relates to waterproof sealing butterfly valve.

Background

The butterfly valve is also called a flap valve, is a regulating valve with simple structure, and can be used for the switch control of low-pressure pipeline media. A butterfly valve refers to a valve in which a closing member (a valve flap or a butterfly plate) is a disk and rotates around a valve shaft to open and close. The valve can be used for controlling the flow of various types of fluids such as air, water, steam, various corrosive media, slurry, oil products, liquid metal, radioactive media and the like. The pipe mainly plays a role in cutting off and throttling. The butterfly valve opening and closing piece is a disc-shaped butterfly plate and rotates around the axis of the butterfly plate in the valve body, so that the opening and closing or adjusting purpose is achieved.

The existing butterfly valve and the valve body are mechanically sealed in a rotating mode, the sealing performance is general, a gap appears between the butterfly valve and the valve body, water leakage is easy, the sealing performance of the valve body cannot be guaranteed, and therefore the existing problem is solved by the aid of the waterproof sealing butterfly valve.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

In order to overcome the prior art not enough, present a waterproof sealing butterfly valve, solved current butterfly valve and valve body and for rotating mechanical seal, the leakproofness is general for appear the gap between butterfly valve and the valve body, and then leak easily, make the problem that the leakproofness of valve body can not obtain the assurance.

(II) technical scheme

The utility model discloses a following technical scheme realizes: the utility model provides a waterproof sealing butterfly valve, including valve body, bulge loop and sealed ring of gluing, the shaping of valve body both ends has the bulge loop, the inboard of valve body is spliced the sealed ring of gluing, sealed ring inboard of gluing is provided with sealed dish, the welding of sealed dish center has the pivot, the welding has the reinforcing plate in the pivot, be provided with the sealing washer on the sealed dish ring lateral wall, the sealing washer both sides are provided with sealed lip ring.

Further, sealed dish one end welding has the connecting axle, the valve body outside is provided with the transmission case, the transmission case upside is provided with the hand wheel, the transmission case inboard is provided with the dwang, the key-type connection has the helical gear under the dwang, helical gear one side is provided with the thread disc, the shaping has the bolt hole on the valve body.

Through adopting above-mentioned technical scheme, the rotation of hand wheel can drive the dwang drives the helical gear rotates, and then will the thread disc rotates, makes sealed dish round the pivot rotates, and then plays and open or close sealed dish's effect.

Further, the transmission case with the valve body passes through bolted connection, the hand wheel with dwang key-type connection, the dwang with the transmission case passes through the bearing and connects.

By adopting the technical scheme, the transmission case can effectively protect the helical gear and the threaded disc, and the stable rotation of the threaded disc is ensured.

Furthermore, the dwang with helical gear key-type connection, helical gear with the meshing of threaded disc, the threaded disc with connecting axle key-type connection.

Through adopting above-mentioned technical scheme, the rotation of connecting axle can drive sealed dish rotates, and then will the inboard cavity of valve body is opened or is closed.

Further, the sealing lip ring is connected with the sealing disc in a glued mode, and the sealing ring is connected with the sealing disc in a glued mode.

Through adopting above-mentioned technical scheme, the sealing lip ring can make the sealed dish with the valve body is effectively sealed, guarantees the waterproof leakproofness of device.

Further, the material of the sealing disc is refined steel.

Through adopting above-mentioned technical scheme, sealed dish can bear great pressure, guarantees the safe operation of device.

(III) advantageous effects

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

for solving current butterfly valve and valve body and be the rotation mechanical seal, the leakproofness is general for appear the gap between butterfly valve and the valve body, and then leak easily, make the leakproofness of valve body can not obtain the problem of assurance, the utility model discloses a sealing washer, sealing lip ring and the sealed ring of gluing that set up for sealed dish when the rotation is closed, through sealing washer, sealing lip ring and sealed sealing ring pressure tight seal between sealed dish and the valve body, and then make the leakproofness between sealed dish and the valve body obtain guaranteeing, avoid appearing the gap, and then avoid appearing leaking.

Drawings

Fig. 1 is a front view of a waterproof sealing butterfly valve according to the present invention;

fig. 2 is a cross-sectional view of a sealing disc of a waterproof sealing butterfly valve according to the present invention;

fig. 3 is a main sectional view of the transmission case in the waterproof sealing butterfly valve of the present invention.

The reference numerals are explained below:

1. a valve body; 2. bolt holes; 3. a convex ring; 4. sealing the rubber ring; 5. sealing the disc; 6. a reinforcing plate; 7. a rotating shaft; 8. a transmission case; 9. a hand wheel; 10. a sealing lip ring; 11. a seal ring; 12. a connecting shaft; 13. rotating the rod; 14. a helical gear; 15. a threaded disk.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

As shown in fig. 1-3, this embodiment is a waterproof sealing butterfly valve, including valve body 1, bulge loop 3 and sealed gluey ring 4, sealed 5 one end welding of dish has connecting axle 12, the valve body 1 outside is provided with

transmission case

8, 8 upsides of transmission case are provided with hand wheel 9, 8 inboards of transmission case are provided with dwang 13, the key-type is connected with helical gear 14 under the dwang 13, helical gear 14 one side is provided with threaded disc 15, the shaping has bolt hole 2 on the valve body 1, transmission case 8 passes through bolted connection with valve body 1, hand wheel 9 is connected with dwang 13 key-type, dwang 13 is connected through the bearing with transmission case 8, dwang 13 is connected with helical gear 14 key-type, helical gear 14 meshes with threaded disc 15, threaded disc 15 is connected with connecting axle 12 key-type, sealed lip ring 10 splices with sealed dish 5.

As shown in fig. 1-3, in this embodiment, the protruding rings 3 are formed at two ends of the valve body 1, the sealing rubber ring 4 is bonded at the inner side of the valve body 1, the sealing rubber ring 4 is arranged at the inner side of the sealing rubber ring 5, the rotating shaft 7 is welded at the center of the sealing rubber ring 5, the reinforcing plate 6 is welded on the rotating shaft 7, the sealing ring 11 is arranged on the side wall of the sealing rubber ring 5, the sealing lip rings 10 are arranged at two sides of the sealing ring 11, the sealing ring 11 is arranged, the sealing lip rings 10 and the sealing rubber ring 4 are arranged, so that when the sealing rubber ring 5 is rotated and closed, the sealing rubber ring 5 and the valve body 1 are pressed and sealed by the sealing ring 11, the sealing lip rings 10 and the sealing rubber ring 4, and further the.

The specific implementation process of this embodiment is as follows: when using, through bolt hole 2 with valve body 1 and pipe connection, can use after connecting, when valve body 1 is opened to needs, through rotating hand wheel 9, make hand wheel 9 drive dwang 13 and helical gear 14 rotate, and then make helical gear 14 drive threaded disc 15 rotate, and then make connecting axle 12 rotate, drive sealed dish 5 and rotate, make valve body 1 open, when sealed dish 5 is closed, pass through sealing washer 11 between sealed dish 5 and the valve body 1, sealing lip ring 10 compresses tightly sealedly with sealed gluey ring 4, and then make the leakproofness between sealed dish 5 and the valve body 1 obtain guaranteeing, avoid appearing the gap, and then avoid appearing leaking.

The above-described embodiments are merely illustrative of the preferred embodiments of the present invention and are not intended to limit the spirit and scope of the present invention. Without departing from the design concept of the present invention, various modifications and improvements made by the technical solution of the present invention by those skilled in the art should fall into the protection scope of the present invention, and the technical contents claimed by the present invention have been fully recorded in the claims.

Claims

1. The utility model provides a waterproof sealing butterfly valve which characterized in that: including valve body (1), bulge loop (3) and sealed gluey ring (4), valve body (1) both ends shaping has bulge loop (3), valve body (1) inboard is glued to have sealed gluey ring (4), sealed gluey ring (4) inboard is provided with sealed dish (5), sealed dish (5) central welding has pivot (7), the welding has reinforcing plate (6) in pivot (7), be provided with sealing washer (11) on sealed dish (5) ring side wall, sealing washer (11) both sides are provided with sealed lip ring (10).

2. A water tight butterfly valve according to claim 1, characterised in that: seal dish (5) one end welding and have connecting axle (12), valve body (1) outside is provided with transmission case (8), transmission case (8) upside is provided with hand wheel (9), transmission case (8) inboard is provided with dwang (13), the key-type connection has helical gear (14) under dwang (13), helical gear (14) one side is provided with threaded disc (15), the shaping has bolt hole (2) on valve body (1).

3. A water tight butterfly valve according to claim 2, characterised in that: transmission case (8) with valve body (1) passes through bolted connection, hand wheel (9) with dwang (13) key-type connection, dwang (13) with transmission case (8) are connected through the bearing.

4. A water tight butterfly valve according to claim 3, characterised in that: the rotating rod (13) is in key connection with the helical gear (14), the helical gear (14) is meshed with the threaded disc (15), and the threaded disc (15) is in key connection with the connecting shaft (12).

5. The waterproof sealing butterfly valve of claim 4, wherein: sealing lip ring (10) with sealed dish (5) splice, sealing washer (11) with sealed dish (5) splice.

6. A water tight butterfly valve according to claim 5, characterised in that: the sealing disc (5) is made of fine steel.