CN212407608U

CN212407608U - Ultra-low speed two-stage hydraulic control butterfly valve

Info

Publication number: CN212407608U
Application number: CN202020816655.7U
Authority: CN
Inventors: 鲁阳
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-05-17
Filing date: 2020-05-17
Publication date: 2021-01-26
Anticipated expiration: 2030-05-17

Abstract

The utility model discloses an ultra-low speed two-stage liquid accuse butterfly valve relates to the butterfly valve field, including the butterfly valve pipeline, butterfly valve pipeline one end has the water inlet, and the other end has the delivery port, and the butterfly valve pipeline is L font structure. The manual button has sufficient length thereby it blocks in the husky box of collection to drive the sealing plug completely, at this moment, water inlet and delivery port intercommunication, be provided with the pin on the left side inner wall intermediate position of husky box of collection, the pin is scalable on the inner wall of husky box of collection, the sealing plug plays the effect of blockking when removing in the husky box of collection, when the pin blocks the sealing plug and descends, form low flow rate mouth between sealing plug top and the butterfly valve pipeline inner wall, can drive the sealing plug when manual button is exerted for the enough dynamics of sealing plug and continue to move down and block in the husky box of collection completely, at this moment, constitute high flow rate mouth between sealing plug top and the butterfly valve pipeline inner wall, two-stage control that two-stage accuse speed realized liquid high flow rate and low flow rate, can select the use according.

Description

Ultra-low speed two-stage hydraulic control butterfly valve

Technical Field

The utility model relates to a butterfly valve field, in particular to two stages of ultralow speed liquid accuse butterfly valves.

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.

However, the existing butterfly valve can only be controlled in a single stage when in use, the communication and the closing of the pipeline are controlled, the flow rate of liquid in the pipeline cannot be well controlled, and sometimes waste is caused when a large amount of or high-speed flowing water is not needed. Therefore, it is necessary to provide an ultra-low speed two-stage hydraulic control butterfly valve to solve the above problems.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a two stage liquid accuse butterfly valves of ultralow speed 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: an ultra-low speed two-stage hydraulic control butterfly valve comprises a butterfly valve pipeline, wherein one end of the butterfly valve pipeline is provided with a water inlet, the other end of the butterfly valve pipeline is provided with a water outlet, the butterfly valve pipeline is of an L-shaped structure, a manual button is arranged above the butterfly valve pipeline, the lower end of the manual button movably extends into the butterfly valve pipeline, a sealing plug is integrally arranged at the lower end of the manual button, the sealing plug is arranged on the butterfly valve pipeline and cuts off the water inlet and the water outlet, a sand collecting box is integrally arranged below the middle of the butterfly valve pipeline, the upper end of the sand collecting box is communicated with the butterfly valve pipeline and corresponds to the sealing plug, the manual button has enough length so as to drive the sealing plug to be completely clamped in the sand collecting box, at the moment, the water inlet is communicated with the water outlet, a pin is arranged at the middle position of the left inner wall of, when the pin blocks the sealing plug and descends, form the low velocity of flow mouth between sealing plug top and the butterfly valve pipeline inner wall, the right-hand member of pin is the hemisphere, can drive the sealing plug when applying for the sufficient dynamics of sealing plug at manual button and continue to move down and block completely in the collection husky box, at this moment, constitute the high velocity of flow mouth between sealing plug top and the butterfly valve pipeline inner wall, the position that collection husky box and butterfly valve pipeline left end are close to between the water inlet is provided with the collection husky pipe intercommunication, the inside that is close to the delivery port position at butterfly valve pipeline right-hand member is provided with the low velocity of flow board, the laminating of low velocity of flow board is on the inner wall left side of butterfly valve pipeline, the fixed welding of right side surface of low velocity of flow board has the swash plate that the equidistance distributes about a.

Preferably, an opening is formed below the sand collecting box, and a sealing cover is connected to the opening in a threaded fit mode.

Preferably, the distance between the upper part of the low flow velocity plate and the inner wall of the upper part of the butterfly valve pipeline is equal to the inner diameter of the butterfly valve pipeline, the inner diameter of the butterfly valve pipeline is equal to the high speed of the sealing plug, and the periphery of the sealing plug is hermetically attached to the inner wall of the butterfly valve pipeline.

Preferably, the sand collecting pipe is inclined, and the diameter of the sand collecting pipe is smaller than the inner diameter of the butterfly valve pipeline.

Preferably, the butterfly valve pipeline is of a square pipeline structure, and a sealing plug inside the butterfly valve pipeline is in a rectangular block shape.

Preferably, the sand-collecting box is cylindrical, and the inner diameter of the cylinder is larger than the width and the length of the sealing plug.

The utility model discloses a technological effect and advantage:

1. the utility model discloses in, the manual button has sufficient length thus drive the sealing plug and block completely in the husky box of collection, at this moment, water inlet and delivery port intercommunication, be provided with the pin on the left side inner wall intermediate position of husky box of collection, the pin is scalable on the inner wall of husky box of collection, the sealing plug plays the effect of blockking when removing in the husky box of collection, when the pin blocks the sealing plug and descends, form low flow rate mouth between sealing plug top and the butterfly valve pipeline inner wall, the right-hand member of pin is the hemisphere, can drive the sealing plug and continue to move down and block completely in the husky box of collection when the manual button exerts the enough dynamics for the sealing plug, at this moment, constitute high velocity of flow mouth between sealing plug top and the butterfly valve pipeline inner wall, two-stage accuse speed realizes two-stage control of liquid high velocity of flow and low velocity of flow;

2. the utility model discloses in, when liquid flows through low velocity of flow mouth for water can delay through the swash plate and flow, plays the purpose of the control flow rate.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a sectional view of the present invention.

Fig. 3 is an enlarged schematic view of a structure shown in fig. 2 according to the present invention.

In the figure: 1. a butterfly valve conduit; 2. a water inlet; 3. a water outlet; 4. a manual button; 5. a pin; 6. a sand collecting pipe; 7. a sealing cover; 8. a sand collecting box; 11. a sealing plug; 13. a low flow rate plate; 14. a sloping plate.

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.

The utility model provides an ultra-low speed two-stage liquid control butterfly valve as shown in figures 1-3, which comprises a butterfly valve pipeline 1, wherein one end of the butterfly valve pipeline 1 is provided with a water inlet 2, the other end is provided with a water outlet 3, the butterfly valve pipeline 1 is in an L-shaped structure, a manual button 4 is arranged above the butterfly valve pipeline 1, the lower end of the manual button 4 movably extends into the butterfly valve pipeline 1, the lower end of the manual button 4 is integrally provided with a sealing plug 11, the sealing plug 11 is arranged on the butterfly valve pipeline 1 and cuts off the water inlet 2 and the water outlet 3, a sand collecting box 8 is integrally arranged below the middle part of the butterfly valve pipeline 1, the upper end of the sand collecting box 8 is communicated with the butterfly valve pipeline 1 and corresponds to the sealing plug 11, the manual button 4 has enough length to drive the sealing plug 11 to be completely clamped in the sand collecting box 8, at the moment, the water inlet 2 is communicated with, the pin 5 can stretch on the inner wall of the sand collecting box 8, the sealing plug 11 plays a role of blocking when moving in the sand collecting box 8, when the pin 5 blocks the sealing plug 11 to descend, a low flow rate port is formed between the upper part of the sealing plug 11 and the inner wall of the butterfly valve pipeline 1, the right end of the pin 5 is hemispherical, when enough force is applied to the sealing plug 11 by the manual button 4, the sealing plug 11 is driven to move downwards continuously and is completely clamped in the sand collecting box 8, at the moment, a high flow rate port is formed between the upper part of the sealing plug 11 and the inner wall of the butterfly valve pipeline 1, the sand collecting pipe 6 is arranged between the sand collecting box 8 and the left end of the butterfly valve pipeline 1 and close to the water inlet 2 and communicated with the sand collecting pipe, the low flow rate plate 13 is arranged inside the right end of the butterfly valve pipeline 1 and close to the water outlet 3, the low flow rate plate 13 is, an upward-opening V-shape is formed between the inclined plate 14 and the low flow velocity plate 13, and a water flow hole communicated with the upper part and the lower part of the inclined plate 14 is arranged at the bottom part of the inclined plate 14.

In this embodiment, the below of collection husky box 8 has the opening, and the opening part is connected with sealed lid 7 through screw-thread fit, washs collection husky box 8 when conveniently dismantling.

Wherein, the distance between the top of the low flow velocity plate 13 and the inner wall above the butterfly valve pipeline 1 is equal to the pipeline inner diameter of the butterfly valve pipeline 1, the pipeline inner diameter of the butterfly valve pipeline 1 is equal to the high speed of the sealing plug 11, and the periphery of the sealing plug 11 is hermetically attached to the inner wall of the butterfly valve pipeline 1.

And collection sand pipe 6 is the slope form, and collection sand pipe 6's diameter is less than butterfly valve pipeline 1's internal diameter, and collection sand pipe 6 can carry out prefilter with the water through butterfly valve pipeline 1, deposits the fine sand in collection sand box 8 through collection sand pipe 6, is convenient for clear up.

Butterfly valve pipeline 1 is square pipeline structure, and the inside sealing plug 11 of butterfly valve pipeline 1 is rectangular block shape.

The sand box 8 is cylindrical, and the inner diameter of the cylinder is larger than the width and the length of the sealing plug 11.

The working principle is as follows: the manual button 4 has enough length to drive the sealing plug 11 to be completely clamped in the sand collecting box 8, at the moment, the water inlet 2 is communicated with the water outlet 3, the pin 5 is arranged at the middle position of the inner wall of the left side of the sand collecting box 8, the pin 5 can stretch on the inner wall of the sand collecting box 8, the sealing plug 11 plays a role of blocking when moving in the sand collecting box 8, when the pin 5 blocks the sealing plug 11 to descend, a low flow rate port is formed between the upper part of the sealing plug 11 and the inner wall of the butterfly valve pipeline 1, the right end of the pin 5 is hemispherical, when the manual button 4 applies enough force to the sealing plug 11, the sealing plug 11 is driven to continuously move downwards and is completely clamped in the sand collecting box 8, at the moment, a high flow rate port is formed between the upper part of the sealing plug 11 and the inner wall of the butterfly valve pipeline 1, two-stage speed control realizes two-stage control, is convenient and practical; when the liquid flows out through the low flow rate port, the water flows through the inclined plate 14 in a delayed mode, and the purpose of controlling the flow rate is achieved.

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 an ultra-low speed two-stage liquid accuse butterfly valve, includes butterfly valve pipeline (1), butterfly valve pipeline (1) one end has water inlet (2), and the other end has delivery port (3), its characterized in that: the butterfly valve pipeline (1) is of an L-shaped structure, a manual button (4) is arranged above the butterfly valve pipeline (1), the lower end of the manual button (4) movably extends into the butterfly valve pipeline (1), a sealing plug (11) is integrally arranged at the lower end of the manual button (4), the sealing plug (11) is arranged on the butterfly valve pipeline (1) and cuts off a water inlet (2) and a water outlet (3), a sand collecting box (8) is integrally arranged below the middle of the butterfly valve pipeline (1), the upper end of the sand collecting box (8) is communicated with the butterfly valve pipeline (1) and corresponds to the sealing plug (11), the manual button (4) has enough length so as to drive the sand collecting box (8) to be completely clamped in the sand collecting box (8), at the moment, the water inlet (2) is communicated with the water outlet (3), a pin (5) is arranged in the middle position of the left inner wall of the sand collecting box (8), and the pin (5) can stretch on the inner wall of the sand collecting, the sealing plug (11) plays a role of blocking when moving in the sand collecting box (8), when the pin (5) blocks the descending of the sealing plug (11), a low flow velocity port is formed between the upper part of the sealing plug (11) and the inner wall of the butterfly valve pipeline (1), the right end of the pin (5) is hemispherical, when the manual button (4) applies enough force to the sealing plug (11), the sealing plug (11) is driven to continuously move downwards and be completely clamped in the sand collecting box (8), at the moment, a high flow velocity port is formed between the upper part of the sealing plug (11) and the inner wall of the butterfly valve pipeline (1), the sand collecting box (8) is communicated with the position, close to the water inlet (2), of the left end of the butterfly valve pipeline (1) by a sand collecting pipe (6), a low flow velocity plate (13) is arranged inside the position, close to the water outlet (3), of the right end of the butterfly valve pipeline (1), the low flow velocity plate (13, the right side surface of low velocity of flow board (13) is fixed the welding has a plurality of groups upper and lower equidistance distribution's swash plate (14), forms the V font of upwards opening between swash plate (14) and low velocity of flow board (13), and the bottom of swash plate (14) is equipped with the rivers hole of intercommunication upper and lower place above that.

2. The ultra-low speed two-stage hydraulic control butterfly valve of claim 1, wherein: an opening is arranged below the sand collecting box (8), and a sealing cover (7) is connected to the opening in a threaded fit mode.

3. The ultra-low speed two-stage hydraulic control butterfly valve of claim 1, wherein: the distance between the upper part of the low flow velocity plate (13) and the inner wall of the upper part of the butterfly valve pipeline (1) is equal to the inner diameter of the pipeline of the butterfly valve pipeline (1), the inner diameter of the pipeline of the butterfly valve pipeline (1) is equal to the high speed of the sealing plug (11), and the periphery of the sealing plug (11) is hermetically attached to the inner wall of the butterfly valve pipeline (1).

4. The ultra-low speed two-stage hydraulic control butterfly valve of claim 1, wherein: the sand collecting pipe (6) is inclined, and the diameter of the sand collecting pipe (6) is smaller than the inner diameter of the butterfly valve pipeline (1).

5. The ultra-low speed two-stage hydraulic control butterfly valve of claim 1, wherein: the butterfly valve pipeline (1) is of a square pipeline structure, and a sealing plug (11) inside the butterfly valve pipeline (1) is in a rectangular block shape.

6. The ultra-low speed two-stage hydraulic control butterfly valve of claim 1, wherein: the sand collecting box (8) is cylindrical, and the inner diameter of the cylinder is larger than the width and the length of the sealing plug (11).