CN213451737U

CN213451737U - Multi-level hard seal telescopic butterfly valve

Info

Publication number: CN213451737U
Application number: CN202022002775.6U
Authority: CN
Inventors: 舒诗意; 舒敏
Original assignee: Hangzhou Huili Technology Co ltd
Current assignee: Hangzhou Huili Technology Co ltd
Priority date: 2020-09-14
Filing date: 2020-09-14
Publication date: 2021-06-15
Anticipated expiration: 2030-09-14

Abstract

The utility model discloses a multi-level hard sealing telescopic butterfly valve, which comprises a butterfly valve body and a transmission seat, wherein the inner side of the butterfly valve body is rotatably provided with a valve rod, one end of the valve rod is fixedly provided with a valve plate, the inner side surface of the butterfly valve body is fixedly provided with a valve seat, the upper end of the butterfly valve body is provided with the transmission seat, one end of the valve rod is fixedly provided with a meshing groove turntable, the edge surface of the meshing groove turntable is provided with a plurality of meshing grooves, the transmission seat is internally provided with a transmission shaft in a bearing connection way, a second rotating wheel can rotate to drive a screw rod to rotate when the butterfly valve is closed, a press cover plate is arranged at the other end of the screw rod through the bearing connection way so as to drive the press cover plate to move downwards, the press cover plate is connected to the inner side surface of a chute through a, the use is safe and convenient, and great help is provided for people.

Description

Multi-level hard seal telescopic butterfly valve

Technical Field

The utility model belongs to the technical field of the butterfly valve technique and specifically relates to a multi-level hard seal butterfly valve that stretches out and draws back is related to.

Background

A butterfly valve, also called a flap valve, is a regulating valve with simple structure, and can be used for the on-off control of low-pressure pipeline media, namely a valve which is opened and closed by rotating around a valve shaft, wherein a closing member (a valve clack or a butterfly plate) is a disk. 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.

Butterfly valve can lead to the valve plate to take place slight deflection when using because outside pressure, and current butterfly valve does not have stop device mostly, only carries on spacingly through the frictional force of self, uses the back for a long time, leads to revealing easily.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is to overcome current defect, provide a multi-level hard sealed flexible butterfly valve to solve above-mentioned problem.

In order to achieve the above object, the utility model provides a following technical scheme: a multi-layer hard sealing telescopic butterfly valve comprises a butterfly valve body and a transmission seat, wherein a valve rod is rotatably arranged at the inner side of the butterfly valve body, a valve plate is fixedly arranged at one end of the valve rod, a valve seat is fixedly arranged on the inner side surface of the butterfly valve body, a transmission seat is arranged at the upper end of the butterfly valve body, a meshing groove rotary table is fixedly arranged at one end of the valve rod, a plurality of meshing grooves are arranged on the edge surface of the meshing groove rotary table, the transmission seat is internally provided with a transmission shaft in a bearing connection mode, the surface of the transmission shaft is fixedly provided with a mesh tooth turntable, a first rotating wheel is fixedly arranged at one end of the transmission shaft, a nut is fixedly arranged on the surface of the upper end of the transmission seat, a screw rod is connected with the inner side of the nut in a threaded manner, a second rotating wheel is fixedly arranged at one end of the screw rod, a gland plate is connected with the other end of the screw rod through a bearing, the butterfly valve body is characterized in that sliding blocks are fixedly arranged on the surfaces of the two sides of the pressing cover plate, and a plurality of mounting plates are fixedly arranged on the surface of the butterfly valve body.

As a preferred technical scheme of the utility model, the driving seat internal side surface is equipped with a plurality of spout, and laps and pass through slider sliding connection in spout internal side surface.

As a preferred technical scheme of the utility model, the arc setting is personally submitted to gland plate lower extreme surface, and the arc surface is equipped with a plurality of bead, and the transmission shaft surface is equipped with and meshes the groove, meshes groove and bead looks adaptation.

As an optimized technical scheme of the utility model, the rodent carousel surface is equipped with a plurality of rodent, and the rodent is connected with the meshing groove meshing, and rodent and meshing groove one-to-one set up

As a preferred technical scheme of the utility model, the valve plate edge is equipped with the recess, and the recess is inside to be equipped with the sealing washer, valve plate and disk seat looks adaptation.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the multi-layer hard sealing telescopic butterfly valve drives the transmission shaft to rotate by rotating the first rotating wheel, indirectly drives the tooth wheel disc on the surface of the transmission shaft to rotate, and indirectly drives the valve rod at the lower end of the tooth wheel disc to rotate by the action of the tooth on the surface of the tooth wheel disc on the meshing groove on the surface of the meshing groove wheel disc so as to drive the valve plate to rotate for switching;

2. this kind of multi-level hard sealed flexible butterfly valve, it is rotatory to rotate the second runner drive lead screw when closing, because the lead screw other end passes through the bearing and connects and be equipped with the gland board, thereby it moves down to drive the gland board, the gland board passes through slider sliding connection in spout internal side surface, thereby guarantee perpendicularly downwards, a plurality of rodent that makes rodent carousel surface be equipped with, the card is on the meshing groove surface, it is fixed to accomplish the block, prevent to take place the displacement, structure scientific and reasonable, convenience safe in utilization, for people provide very big help.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:

fig. 1 is a schematic structural view of a multi-layer hard seal telescopic butterfly valve according to the present invention;

fig. 2 is a schematic view of an internal front structure of a transmission seat according to the present invention;

fig. 3 is a schematic view of the internal side structure of the transmission seat of the present invention.

In the figure: 1. a transmission seat; 2. a valve stem; 3. mounting a plate; 4. a butterfly valve body; 5. a valve plate; 6. a valve seat; 7. a first runner; 8. a drive shaft; 9. a second runner; 10. a screw rod; 11. a nut; 12. meshing grooves; 13. a meshing groove rotary table; 14. an engagement groove; 15. a rodent turntable; 16. pressing a cover plate; 17. a slider; 18. a chute.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, rather than all embodiments, and all other embodiments obtained by a person of ordinary skill in the art without creative work belong to the protection scope of the present invention based on the embodiments of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution: a multi-layer hard sealing telescopic butterfly valve comprises a butterfly valve body 4 and a transmission seat 1, wherein a valve rod 2 is rotatably arranged on the inner side of the butterfly valve body 4, a valve plate 5 is fixedly arranged at one end of the valve rod 2, a valve seat 6 is fixedly arranged on the surface of the inner side of the butterfly valve body 4, the transmission seat 1 is arranged at the upper end of the butterfly valve body 4, a meshing groove rotary table 13 is fixedly arranged at one end of the valve rod 2, a plurality of meshing grooves 14 are formed in the edge surface of the meshing groove rotary table 13, a plurality of meshing teeth arranged on the surface of the meshing groove rotary table 15 are clamped on the surface of the meshing groove 14 to complete clamping and fixing and prevent displacement, a transmission shaft 8 is connected and arranged in the transmission seat 1 through a bearing, a meshing tooth rotary table 15 is fixedly arranged on the surface of the transmission shaft 8, the meshing grooves 14 on the surface of the meshing groove rotary table 13 are acted, thereby it is rotatory to drive transmission shaft 8 through rotatory first runner 7, it is rotatory to indirectly drive the rodent carousel 15 on 8 surfaces of transmission shaft, 1 upper end fixed surface of driving seat is equipped with

nut

11, 11 inboard threaded connection of nut is equipped with lead screw 10, the fixed second runner 9 that is equipped with of lead screw 10 one end, rotatory second runner 9 drives lead screw 10 rotatory, because the lead screw 10 other end is equipped with pressure cover plate 16 through the bearing connection, thereby it moves down to drive pressure cover plate 16, the lead screw 10 other end is equipped with pressure cover plate 16 through the bearing connection, 16 both sides fixed surface of pressure cover plate is equipped with slider 17, butterfly valve body 4 fixed surfaces are equipped with a plurality of mounting panel 3.

The utility model discloses, preferred, 1 inboard surface of transmission seat is equipped with a plurality of spout, and gland plate 16 passes through slider 17 sliding connection in spout inboard surface.

The utility model discloses, preferred, 16 lower extreme surfaces of gland plate are the arc setting, and the arc surface is equipped with a plurality of bead, and 8 surfaces of transmission shaft are equipped with and nibble groove 12, nibble groove 12 and bead looks adaptation.

The utility model discloses, preferably, the rodent carousel 15 surface is equipped with a plurality of rodent, and the rodent is connected with the meshing of meshing groove 14, and rodent and the setting of meshing groove 14 one-to-one

The utility model discloses, preferred, 5 edges of valve plate are equipped with the recess, and the recess is inside to be equipped with the sealing washer,

valve plate

5 and 6 looks adaptations of disk seat.

The specific principle is as follows: during the use, thereby it is rotatory to drive transmission shaft 8 through rotatory first runner 7, it is rotatory to indirectly drive the rodent carousel 15 on 8 surfaces of transmission shaft, the rodent on rodent carousel 15 surfaces is to the meshing groove 14 effect on meshing groove carousel 13 surfaces, thereby indirectly drive the valve rod 2 rotation of the meshing groove carousel 13 lower extreme and drive the rotatory switch that carries out of valve plate 5, rotatable second runner 9 drives lead screw 10 rotatory when closing, because the lead screw 10 other end is equipped with gland plate 16 through the bearing connection, thereby it moves down to drive gland plate 16, gland plate 16 passes through slider 17 sliding connection in spout inboard surface, thereby guarantee perpendicularly downwards, make a plurality of rodent that rodent carousel 15 surfaces are equipped with, the card is on meshing groove 14 surfaces, it is fixed to accomplish the block, prevent the displacement.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.

Claims

1. The utility model provides a multi-level hard sealed telescopic butterfly valve, includes butterfly valve body (4) and transmission seat (1), its characterized in that, butterfly valve body (4) inboard is rotated and is equipped with valve rod (2), valve rod (2) one end is fixed and is equipped with valve plate (5), butterfly valve body (4) inboard fixed surface is equipped with disk seat (6), butterfly valve body (4) upper end is equipped with transmission seat (1), valve rod (2) one end is fixed and is equipped with meshing groove carousel (13), meshing groove carousel (13) edge surface is equipped with a plurality of meshing groove (14), transmission seat (1) inside bearing connection is equipped with transmission shaft (8), transmission shaft (8) fixed surface is equipped with meshing groove carousel (15), transmission shaft (8) one end is fixed and is equipped with first runner (7), transmission seat (1) upper end fixed surface is equipped with nut (11), nut (11) inboard threaded connection is equipped with lead screw (10), lead screw (10) one end is fixed and is equipped with second runner (9), lead screw (10) other end is connected through the bearing and is equipped with gland plate (16), gland plate (16) both sides fixed surface is equipped with slider (17), butterfly valve body (4) fixed surface is equipped with a plurality of mounting panel (3).

2. The multi-level hard seal butterfly valve of claim 1, wherein: the inner side surface of the transmission seat (1) is provided with a plurality of sliding grooves, and the gland plate (16) is connected to the inner side surface of the sliding grooves in a sliding mode through a sliding block (17).

3. The multi-level hard seal butterfly valve of claim 1, wherein: the surface of the lower end of the gland plate (16) is arc-shaped, the arc-shaped surface is provided with a plurality of convex edges, the surface of the transmission shaft (8) is provided with a meshing groove (12), and the meshing groove (12) is matched with the convex edges.

4. The multi-level hard seal butterfly valve of claim 1, wherein: the surface of the mesh wheel rotating disc (15) is provided with a plurality of mesh wheels, the mesh wheels are meshed and connected with the meshing grooves (14), and the mesh wheels and the meshing grooves (14) are arranged in a one-to-one correspondence mode.

5. The multi-level hard seal butterfly valve of claim 1, wherein: the edge of the valve plate (5) is provided with a groove, a sealing ring is arranged in the groove, and the valve plate (5) is matched with the valve seat (6).