CN222010954U

CN222010954U - A wear-resistant butterfly valve

Info

Publication number: CN222010954U
Application number: CN202323570399.0U
Authority: CN
Inventors: 王志清; 王震
Original assignee: Changzhou Changnai Chemical Equipment Manufacturing Co ltd
Current assignee: Changzhou Changnai Chemical Equipment Manufacturing Co ltd
Priority date: 2023-12-27
Filing date: 2023-12-27
Publication date: 2024-11-15
Anticipated expiration: 2033-12-27

Abstract

The utility model provides a wear-resistant butterfly valve. The wear-resistant butterfly valve comprises: a valve body, a rectangular box is fixedly installed on the upper part of the valve body, a sleeve is rotatably installed at the connection between the rectangular box and the valve body, the upper part of the sleeve is located inside the rectangular box, and a worm gear 1 is fixedly installed on the upper part of the sleeve, a rotating shaft 3 is rotatably installed on the side wall of the rectangular box, a worm gear 1 is arranged on the rotating shaft 3, and the worm gear 1 is meshingly connected with the worm gear 1. The wear-resistant butterfly valve provided by the utility model can freely adjust the sealing state of the junction between the valve body and the valve core as needed through the mutual linkage of components such as a rotating component, a disc, a connecting block 1, a connecting rod, a connecting block 2, a rectangular block, a sealing strip and a groove. Unlike the use of a sealing ring that will cause wear, the sealing strip of this solution does not need to be rotated and adjusted, and will not wear, so the service life is also longer and the economy is high.

Description

Wear-resistant butterfly valve

Technical Field

The utility model relates to the technical field of butterfly valves, in particular to a wear-resistant butterfly valve.

Background

The butterfly valve is also called as a flap valve, and is a valve which has a simple structure and can be used for opening and closing low-pressure pipeline media.

The existing butterfly valve device is sealed through the wear-resistant ring arranged outside the valve core, and because the valve core and the valve body rotate for a long time, no matter how wear-resistant devices are wear-resistant, the phenomenon of leakage of the butterfly valve is easily caused.

Accordingly, there is a need to provide a wear-resistant butterfly valve that addresses the above-described issues.

Disclosure of utility model

The utility model provides a wear-resistant butterfly valve, which solves the problem that the butterfly valve is worn in long-term use.

In order to solve the technical problems, the wear-resistant butterfly valve provided by the utility model comprises: the valve body, the upper portion fixed mounting of valve body has the rectangle case, the junction rotation of rectangle case and valve body installs the sleeve, telescopic upper portion is located rectangle incasement portion, and telescopic upper portion fixed mounting has worm wheel one, the lateral wall of rectangle case rotates the installation pivot three, be provided with worm one on the pivot three, worm one is connected with worm wheel one meshing, telescopic lower extreme is rotated with the valve body in the bottom and is connected, and fixed mounting has the adapter sleeve on telescopic lower extreme lateral wall, the other end fixed mounting of adapter sleeve has the case, the lateral wall of case and the inner wall laminating contact of valve body, telescopic inside is provided with rotating assembly, the rectangular channel two has been seted up to the case inside, the inside central fixed mounting of case has an annular cylinder, a plurality of groups rectangular channel one has all been seted up on the lateral wall of annular cylinder, the middle part and the rotating assembly connection of disc, a plurality of groups the lateral wall of disc is evenly installed one all rotates and is installed the connecting rod, connecting rod one runs through the connecting rod one end, two sets of connecting blocks have rectangular channel two connecting blocks, two connecting block and two sets of connecting blocks have rectangular channel fixed connection.

Preferably, the rotating assembly comprises a first rotating shaft, a second worm wheel, a second rotating shaft and a second worm, the top of the rectangular box is rotatably connected with the rotating shaft, and the first rotating shaft is positioned in the sleeve.

Preferably, a worm second is arranged at the lower end of the first rotating shaft, and the second rotating shaft is rotatably arranged on the side wall of the lower end of the sleeve.

Preferably, a worm wheel II is fixedly arranged at one end of the rotating shaft, which is positioned in the sleeve, and is meshed with the worm wheel II, and the other end of the rotating shaft II is fixedly connected with the disc.

Preferably, the top of the first rotating shaft is fixedly provided with a first rotating disc, and one end of the third rotating shaft positioned outside is fixedly provided with a second rotating disc.

Preferably, flanges are arranged on the side walls of the left end and the right end of the valve body.

Compared with the related art, the wear-resistant butterfly valve provided by the utility model has the following beneficial effects:

The utility model provides a wear-resistant butterfly valve, which can freely adjust the sealing state of the joint of a valve body and a valve core according to the needs by the mutual linkage of components such as a rotating component, a disc, a connecting block I, a connecting rod, a connecting block II, a rectangular block, a sealing strip, a groove and the like.

Drawings

FIG. 1 is a schematic diagram of a preferred embodiment of a wear-resistant butterfly valve according to the present utility model;

FIG. 2 is a schematic view of the internal structure of the valve body shown in FIG. 1;

FIG. 3 is a schematic view of the internal structure of the valve core shown in FIG. 1;

FIG. 4 is an enlarged schematic view of portion A shown in FIG. 2;

FIG. 5 is an enlarged schematic view of portion B shown in FIG. 3;

fig. 6 is an enlarged schematic view of the portion C shown in fig. 3.

Reference numerals in the drawings:

1. Valve body, 2, flange, 3, recess, 4, rectangle case, 5, carousel, 6, rotating assembly, 61, pivot first, 62, worm wheel second, 63, pivot second, 64, worm second, 7, pivot third, 8, carousel second, 9, adapter sleeve, 10, sleeve, 11, case, 12, worm first, 13, worm wheel first, 14, sealing strip, 15, disc, 16, connecting block first, 17, stopper, 18, annular section of thick bamboo, 19, rectangular groove first, 20, connecting rod, 21, connecting block second, 22, rectangular piece, 23, rectangular groove second.

Detailed Description

The utility model will be further described with reference to the drawings and embodiments.

Referring to fig. 1, fig. 2, fig. 3, fig. 4, fig. 5, and fig. 6 in combination, fig. 1 is a schematic structural diagram of a preferred embodiment of a wear-resistant butterfly valve according to the present utility model; FIG. 2 is a schematic view of the internal structure of the valve body shown in FIG. 1; FIG. 3 is a schematic view of the internal structure of the valve core shown in FIG. 1; FIG. 4 is an enlarged schematic view of portion A shown in FIG. 2; FIG. 5 is an enlarged schematic view of portion B shown in FIG. 3; fig. 6 is an enlarged schematic view of the portion C shown in fig. 3. The wear-resistant butterfly valve includes: the valve body 1, the upper portion fixed mounting of valve body 1 has rectangle case 4, rectangle case 4 rotates with the junction of valve body 1 and installs sleeve 10, sleeve 10's upper portion is located rectangle case 4 inside, and sleeve 10's upper portion fixed mounting has worm wheel one 13, rectangle case 4's lateral wall rotates and installs pivot three 7, be provided with worm one 12 on pivot three 7, worm one 12 and worm wheel one 13 meshing connection, sleeve 10's lower extreme and valve body 1 inner bottom rotation connection, and sleeve 10's lower extreme lateral wall is last to be fixedly mounted with adapter sleeve 9, adapter sleeve 9's the other end fixed mounting has case 11, case 11's lateral wall and valve body 1's inner wall laminating contact, sleeve 10's inside is provided with rotating assembly 6, case 11 inside has seted up rectangular channel two 23, case 11 inside center fixed mounting has annular cylinder 18, all set of rectangular channel one 19 on the lateral wall of annular cylinder 18, annular cylinder 18's inside is provided with disc 15, disc 15 middle part and rotating assembly 6 are connected with first connecting block 15, second connecting block 21 is installed to the inner wall 16, two connecting block 21 is installed to the rectangular channel two connecting block 21, two connecting block 20 are all fixed connection, two connecting block 20 are installed to the connecting block 1's the inner wall is equipped with a plurality of connecting block, two connecting block 20 are evenly connected with the connecting block 20, two connecting block 20 are installed to the connecting block 20 are fixed connection, two connecting block 20 are equipped with the connecting block 20, two connecting block is equipped with a plurality of connecting block 20, connecting block 20 is equipped with a connecting block 20, connecting block is equipped with a connecting block 20 is equipped with a connecting block 20, the limiting block 17 is in fit contact with the first connecting block group 16.

The rotating assembly 6 comprises a first rotating shaft 61, a second worm wheel 62, a second rotating shaft 63 and a second worm 64, the top of the rectangular box 4 is rotationally connected with the first rotating shaft 61, the lower end of the first rotating shaft 61 is positioned inside the sleeve 10, the sleeve 10 is a hollow tube, and the sleeve is made of stainless steel.

The lower end of the first rotating shaft 61 is provided with a second worm 64, and the lower end side wall of the sleeve 10 is rotatably provided with a second rotating shaft 63.

The second worm wheel 62 is fixedly arranged at one end of the second rotating shaft 63 positioned in the sleeve 10, the second worm wheel 62 is meshed with the second worm 64, and the other end of the second rotating shaft 63 is fixedly connected with the disc 15.

When the first rotating shaft 61 rotates, the second worm 64 drives the second rotating shaft 63 to rotate through the second worm wheel 62, the second rotating shaft 63 drives the disc 15 to rotate, and the disc 15 expands and recovers the sealing strip 14 through other components.

The top fixed mounting of pivot one 61 has carousel one 5, the one end fixed mounting that pivot three 7 are located the outside has carousel two 8, and the setting of carousel one 5 and carousel two 8 is in order to make things convenient for operating personnel to rotate pivot one 61 and pivot three 7.

The flange 2 is installed on the side walls of the left end and the right end of the valve body 1, and the flange 2 is arranged to be convenient to connect with other pipelines.

The working principle of the abrasion-resistant butterfly valve provided by the utility model is as follows: when the valve needs to be opened, the disc 15 rotates anticlockwise through the rotating component 6, the first connecting block 16 on the disc 15 drives the second connecting block 21 to move anticlockwise through the connecting rod 20, the second connecting block 21 drives the sealing strip 14 to be away from the side wall of the valve body 1 along the groove 3 under the action of the rectangular block 22, when the sealing strip 14 does not press the side wall of the valve body 1 any more, the first worm 12 drives the first worm wheel 13 to rotate through the rotating shaft three 7, the sleeve 10 rotates along with the valve core 11 through the connecting sleeve 9, so that the valve body 1 is opened, when the valve body 1 needs to be closed, the disc 15 rotates clockwise, the first connecting block 16 cannot continue to rotate after being contacted with the limiting block 17, and meanwhile, the sealing strip 14 is tightly propped against the joint of the valve core 11 and the valve body 1.

Through the mutual linkage of the components such as the rotating component 6, the disc 15, the first connecting block 16, the connecting rod 20, the second connecting block 21, the rectangular block 22, the sealing strip 14, the groove 3 and the like, the sealing state of the joint of the valve body 1 and the valve core 11 can be freely adjusted according to the needs, the sealing strip 14 in the scheme is different from the sealing ring in use and can be worn, the sealing strip 14 does not need to be rotated and adjusted, the wearing and tearing can not occur, and therefore, the service life is longer.

The foregoing description is only illustrative of the present utility model and is not intended to limit the scope of the utility model, and all equivalent structures or equivalent processes or direct or indirect application in other related technical fields are included in the scope of the present utility model.

Claims

1. A wear-resistant butterfly valve, comprising: the valve body, the upper portion fixed mounting of valve body has the rectangle case, the junction rotation of rectangle case and valve body installs the sleeve, telescopic upper portion is located rectangle incasement portion, and telescopic upper portion fixed mounting has worm wheel one, the lateral wall of rectangle case rotates the installation pivot three, be provided with worm one on the pivot three, worm one is connected with worm wheel one meshing, telescopic lower extreme is rotated with the valve body in the bottom and is connected, and fixed mounting has the adapter sleeve on telescopic lower extreme lateral wall, the other end fixed mounting of adapter sleeve has the case, the lateral wall of case and the inner wall laminating contact of valve body, telescopic inside is provided with rotating assembly, the rectangular channel two has been seted up to the case inside, the inside central fixed mounting of case has an annular cylinder, a plurality of groups rectangular channel one has all been seted up on the lateral wall of annular cylinder, the middle part and the rotating assembly connection of disc, a plurality of groups the lateral wall of disc is evenly installed one all rotates and is installed the connecting rod, connecting rod one runs through the connecting rod one end, two sets of connecting blocks have rectangular channel two connecting blocks, two connecting block and two sets of connecting blocks have rectangular channel fixed connection.

2. The wear-resistant butterfly valve of claim 1, wherein the rotating assembly comprises a first shaft, a second worm gear, a second shaft, and a second worm, the top of the rectangular box is rotatably coupled to the first shaft, and the first shaft is positioned within the sleeve.

3. The wear-resistant butterfly valve according to claim 2, wherein a second worm is provided at a lower end of the first rotating shaft, and the second rotating shaft is rotatably mounted on a lower end side wall of the sleeve.

4. The wear-resistant butterfly valve according to claim 3, wherein one end of the second rotating shaft, which is located inside the sleeve, is fixedly provided with a second worm wheel, the second worm wheel is engaged with the second worm, and the other end of the second rotating shaft is fixedly connected with the disc.

5. The wear-resistant butterfly valve according to claim 2, wherein the first rotary shaft is fixedly mounted on the top of the first rotary shaft, and the second rotary shaft is fixedly mounted on one end of the third rotary shaft, which is located outside the first rotary shaft.

6. The wear-resistant butterfly valve of claim 1, wherein flanges are mounted on both left and right end side walls of the valve body.