CN219432465U

CN219432465U - Butterfly valve with positionable opening

Info

Publication number: CN219432465U
Application number: CN202320488146.XU
Authority: CN
Inventors: 房元斌; 高玲; 宗献红; 顾文磊
Original assignee: Changzhou Nipod New Energy Technology Co ltd
Current assignee: Changzhou Nipod New Energy Technology Co ltd
Priority date: 2023-03-14
Filing date: 2023-03-14
Publication date: 2023-07-28
Anticipated expiration: 2033-03-14

Abstract

The utility model provides a butterfly valve with a positionable opening, which is characterized by comprising the following components: the two ends of the valve pipe are provided with a pair of connecting flanges in a mirror image mode; the rotating pin is vertically inserted into the side wall of the valve pipe, two ends of the rotating pin respectively penetrate through the side wall of the valve pipe, and a pair of semicircular disc plates are arranged on the rotating pin; the positioning piece is arranged on the side wall of the valve pipe, the top of the positioning piece is attached to the bottom of the rotating spanner, a waist-shaped groove is formed in the positioning piece, a locking nut is rotationally arranged on the rotating spanner, a locking bolt is sleeved on the locking nut, the locking bolt is attached to the bottom of the positioning piece, and a plurality of positioning scales are arranged on the positioning piece; in short, can relative movement through the spacer and rotate the spanner, can be when rotating the spanner and rotate, correspond to the scale on the spacer and can realize the measurement of the angle of opening of dish board, when confirming the angle of dish board, through tightening lock nut so that rotate the spanner and be pressed from both sides tightly.

Description

Butterfly valve with positionable opening

Technical Field

The utility model relates to the field of butterfly valves, in particular to a butterfly valve with a positionable opening.

Background

The butterfly valve is also called as a flap valve, is a regulating valve with a simple structure, and can be used for the on-off control of low-pressure pipeline media, wherein a closing member (a valve clack or a butterfly plate) is a disc and rotates around a valve shaft to realize opening and closing;

as shown in fig. 1, the existing butterfly valve cannot control the opening angle of the disc plate in the use process, and cannot control the flow rate of the medium flowing through the butterfly valve;

it is therefore desirable to provide an opening positionable butterfly valve that can adjust and secure the opening of the disk.

Disclosure of Invention

The utility model aims to solve the technical problems that: an opening positionable butterfly valve capable of adjusting and fixing an opening of a disk plate is provided.

The technical scheme adopted for solving the technical problems is as follows: an open positionable butterfly valve comprising: the valve tube is provided with a pair of connecting flanges in a mirror image mode at two ends of the valve tube; the rotating pin is vertically inserted into the side wall of the valve pipe, two ends of the rotating pin respectively penetrate through the side wall of the valve pipe, and a pair of semicircular disc plates are arranged on the rotating pin; a rotating spanner is arranged on the rotating pin; the locating piece, the locating piece sets up the lateral wall of valve pipe, and the top laminating of locating piece the bottom of rotating the spanner, set up waist type groove on the locating piece, rotate on the spanner and be provided with lock nut, the cover is equipped with the lock bolt on the lock nut, and, lock bolt laminating the bottom of locating piece is provided with a plurality of location scales on the locating piece.

Preferably, a through hole is formed in the top of the valve pipe, an annular connecting sleeve is arranged in the through hole, the positioning sheet is in a fan ring shape, the recessed end of the positioning sheet and the outer wall of the connecting sleeve are integrally arranged, and the top of the rotating pin is rotatably arranged in the connecting sleeve.

Preferably, a through hole is formed in the bottom of the valve tube, an annular bearing sleeve is arranged in the through hole, and the bottom of the rotating pin is rotatably arranged in the bearing sleeve.

Preferably, the rotating pin is sleeved with a connecting column, the disc plate mirror image is arranged on the side wall of the connecting column, the disc plate mirror image is provided with a pair of sealing strips, and the sealing strips can be attached to the inner wall of the valve tube.

Preferably, the side wall of the rotating pin is provided with a plurality of first through plug holes, the side wall of the connecting column is provided with a second plug hole matched with the first plug holes, and the first plug holes and the second plug holes are fixed through the plug pins.

Preferably, the bottom of the connecting sleeve is flush with the lowest point of the penetrating hole at the top; the bottom of the bearing sleeve is flush with the highest point of the through hole at the bottom.

Preferably, the top end of the sealing strip is attached to the bottom of the connecting sleeve; the bottom of sealing strip laminating the top of bearing cover.

Preferably, the rotary wrench is provided with a through observation hole, the bottom of the rotary wrench is provided with a sunken mark arrow, and the mark arrow points to the circle center of the observation hole.

Preferably, the side wall of the locking nut is provided with a locking spanner.

The beneficial effects of the utility model are as follows:

1. the butterfly valve can be connected with the pipeline to be connected through the connecting flange, so that the structure is simple and reliable;

2. the valve tube can be opened/closed by driving the disc plate through the rotating pin, so that the on-off of the medium is realized;

3. when the rotating spanner rotates, the scale on the locating plate can be correspondingly used for measuring the opening angle of the disc plate, and the rotating spanner can be fixed by tightening the bolt and the locking nut so as to maintain the opening angle of the disc plate.

Drawings

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

FIG. 1 is a prior art butterfly valve;

FIG. 2 is a perspective view of a preferred embodiment of the butterfly valve of the utility model;

FIG. 3 is a perspective view of a preferred embodiment of the valve tube of the present utility model;

FIG. 4 is an exploded view of a preferred embodiment of the butterfly valve of the utility model;

fig. 5 is an exploded view of a preferred embodiment of the butterfly valve of the utility model.

In the figure:

100. a valve tube; 101. a connecting flange; 102. a rotation pin; 1021. rotating a wrench; 1022. a first plug hole; 1023. an observation hole; 1024. marking an arrow; 103. a dish plate; 104. a positioning sheet; 1041. a waist-shaped groove; 1042. positioning scales; 105. a lock nut; 1051. locking a spanner; 106. a locking bolt; 107. a through hole; 108. connecting sleeves; 109. a bearing sleeve; 110. a connecting column; 1101. a second plug hole; 111. and (5) a sealing strip.

Detailed Description

Embodiments of the present utility model are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative only and are not to be construed as limiting the utility model. On the contrary, the embodiments of the utility model include all alternatives, modifications and equivalents as may be included within the spirit and scope of the appended claims.

In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "axial", "radial", "circumferential", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the device or element being referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

Furthermore, the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "connected," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art. Furthermore, in the description of the present utility model, unless otherwise indicated, the meaning of "a plurality" is two or more.

As shown in fig. 1 to 5, the present utility model provides a butterfly valve with a positionable opening, comprising: a valve pipe 100, wherein a pair of connecting flanges 101 are mirror-image arranged at two ends of the valve pipe 100; in short, the valve tube 100 is made of seamless steel tube as a component for bearing the disc plate 103, and the valve tube 100 is connected with a pipeline to be connected by welding connecting flanges 101 at two ends of the valve tube 100; the rotating pin 102 is vertically inserted into the side wall of the valve pipe 100, two ends of the rotating pin 102 respectively penetrate through the side wall of the valve pipe 100, and a pair of semicircular disc plates 103 are arranged on the rotating pin 102; in short, through the arrangement of the rotating pin 102, torque can be transmitted to the disc plate 103, so that the disc plate 103 can be opened and closed, and the butterfly valve can be opened or closed, and the rotating pin 102 is provided with a rotating wrench 1021, so that the rotating pin 102 can be manually rotated; the locating plate 104 is arranged on the side wall of the valve tube 100, the top of the locating plate 104 is attached to the bottom of the rotating wrench 1021, a waist-shaped groove 1041 is formed in the locating plate 104, a locking nut 105 is rotatably arranged on the rotating wrench 1021, a locking bolt 106 is sleeved on the locking nut 105, the locking bolt 106 is attached to the bottom of the locating plate 104, and a plurality of locating scales 1042 are arranged on the locating plate 104; in short, through spacer 104 and rotation spanner 1021 can relative movement, can be when rotation spanner 1021 rotates, the scale that corresponds to on the spacer 104 can realize the measurement of the angle of opening of dish board 103, when confirming the angle of dish board 103, through tightening lock nut 105 so that rotation spanner 1021 is pressed from both sides tightly, further, the cover is equipped with the gasket on the bolt that contracts, the bottom of gasket laminating rotation spanner 1021 and the top of spacer 104 to make the fixed of rotation board more reliable.

A through hole 107 is formed in the top of the valve tube 100, a circular connecting sleeve 108 is arranged in the through hole 107, the positioning sheet 104 is in a fan ring shape, the recessed end of the positioning sheet 104 and the outer wall of the connecting sleeve 108 are integrally arranged, and the top of the rotating pin 102 is rotatably arranged in the connecting sleeve 108; in short, the connection sleeve 108 is welded in the through hole 107, the rotation pin 102 is mounted in the connection sleeve 108 by a bearing, and the rotation pin 102 is sleeved with a sealing member so that the rotation pin 102 and the connection sleeve 108 can be connected in a sealing manner, and the installation and the disassembly of the rotation pin 102 can be facilitated.

A through hole 107 is formed in the bottom of the valve tube 100, an annular bearing sleeve 109 is arranged in the through hole 107, and the bottom of the rotating pin 102 is rotatably arranged in the bearing sleeve 109; in short, the bearing bush 109 is welded in the through hole 107 of the bottom, the rotation pin 102 is installed in the bearing bush 109 by a bearing, and the bottom of the bearing bush 109 is sealed to avoid leakage of pressure.

The rotary pin 102 is sleeved with a connecting column 110, the disc plate 103 is arranged on the side wall of the connecting column 110 in a mirror image mode, a pair of sealing strips 111 are arranged on the mirror image of the disc plate 103, and the sealing strips 111 can be attached to the inner wall of the valve tube 100; in short, when installing the dish board 103, weld the dish board 103 on spliced pole 110 earlier, insert spliced pole 110 in the valve pipe 100, then pass through hole 107, spliced pole 110, the through hole 107 of bottom at top with the rotation round pin 102 in proper order, simple structure is reliable, can improve the production efficiency of butterfly valve.

A plurality of first through-holes 1022 are formed in the side wall of the rotation pin 102, a second through-hole 1101 adapted to the first through-hole 1022 is formed in the side wall of the connection column 110, and the first through-hole 1022 and the second through-hole 1101 are fixed by the through-hole pin; in short, the plug pins are interference-fitted with the first plug holes 1022 and the second plug holes 1101, and the fixation of the rotation pins 102 and the connection posts 110 and the transmission of torque can be achieved by pressing the plug pins into the first plug holes 1022 and the second plug holes 1101.

The bottom of the connecting sleeve 108 is flush with the lowest point of the through hole 107 at the top; the bottom of the bearing sleeve 109 is flush with the highest point of the through hole 107 at the bottom; the top end of the sealing strip 111 is attached to the bottom of the connecting sleeve 108; the bottom of the sealing strip 111 is attached to the top of the bearing sleeve 109; in short, the bottom of the connection sleeve 108 is horizontally arranged, the through hole 107 at the top is vertically arranged, the axis of the through hole 107 intersects with the axis of the valve tube 100, and the bottom of the connection sleeve 108 just fits with the lowest point of the through hole 107 at the top, so that a gap between the connection sleeve 108 and the inner wall of the valve tube 100 can be sealed by the sealing strip 111.

A through observation hole 1023 is formed in the rotation wrench 1021, a concave marking arrow 1024 is arranged at the bottom of the rotation wrench 1021, and the marking arrow 1024 points to the circle center of the observation hole 1023; in short, the marking arrow 1024 can be directed to the positioning graduation 1042, enabling the metering of the angle of the rotating wrench 1021.

The side wall of the lock nut 105 is provided with a lock wrench 1051; in short, the lock wrench 1051 can be used for manually rotating the lock nut 105, so that the working efficiency is improved.

In the description of the present specification, a description referring to terms "one embodiment," "some embodiments," "examples," "specific examples," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present utility model. In this specification, schematic representations of the terms do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

With the above-described preferred embodiments according to the present utility model as an illustration, the above-described descriptions can be used by persons skilled in the relevant art to make various changes and modifications without departing from the scope of the technical idea of the present utility model. The technical scope of the present utility model is not limited to the description, but must be determined according to the scope of claims.

Claims

1. An open positionable butterfly valve comprising:

a valve tube (100), wherein a pair of connecting flanges (101) are arranged at two ends of the valve tube (100) in a mirror image mode;

the rotating pin (102), the rotating pin (102) is vertically inserted into the side wall of the valve pipe (100), two ends of the rotating pin (102) respectively penetrate through the side wall of the valve pipe (100), and a pair of semicircular disc plates (103) are arranged on the rotating pin (102);

a rotating spanner (1021) is arranged on the rotating pin (102);

the locating piece (104), locating piece (104) set up the lateral wall of valve pipe (100), and the top laminating of locating piece (104) the bottom of rotating spanner (1021), waist type groove (1041) have been seted up on locating piece (104), rotate on rotating spanner (1021) and be provided with lock nut (105), the cover is equipped with lock bolt (106) on lock nut (105), and

the locking bolt (106) is attached to the bottom of the locating plate (104), and a plurality of locating scales (1042) are arranged on the locating plate (104).

2. An open positionable butterfly valve according to claim 1,

the valve is characterized in that a through hole (107) is formed in the top of the valve pipe (100), a circular connecting sleeve (108) is arranged in the through hole (107), the locating piece (104) is in a fan ring shape, the recessed end of the locating piece (104) and the outer wall of the connecting sleeve (108) are integrally arranged, and the top of the rotating pin (102) is rotatably arranged in the connecting sleeve (108).

3. An open positionable butterfly valve according to claim 2,

the bottom of valve pipe (100) has seted up through-hole (107), be provided with annular bearing cover (109) in through-hole (107), the bottom rotation of rotation round pin (102) sets up in bearing cover (109).

4. An open positionable butterfly valve according to claim 3,

the rotary pin (102) is sleeved with a connecting column (110), the disc plate (103) is arranged on the side wall of the connecting column (110) in a mirror image mode, a pair of sealing strips (111) are arranged on the disc plate (103) in a mirror image mode, and the sealing strips (111) can be attached to the inner wall of the valve tube (100).

5. An open positionable butterfly valve according to claim 4,

a plurality of first plug holes (1022) penetrating through the side wall of the rotating pin (102) are formed, a second plug hole (1101) matched with the first plug holes (1022) is formed in the side wall of the connecting column (110), and the first plug holes (1022) and the second plug holes (1101) are fixed through the plug pins.

6. An open positionable butterfly valve according to claim 5,

the bottom of the connecting sleeve (108) is flush with the lowest point of the penetrating hole (107) at the top;

the bottom of the bearing sleeve (109) is flush with the highest point of the through hole (107) at the bottom.

7. An open positionable butterfly valve according to claim 6,

the top end of the sealing strip (111) is attached to the bottom of the connecting sleeve (108);

the bottom of the sealing strip (111) is attached to the top of the bearing sleeve (109).

8. An open positionable butterfly valve according to claim 7,

the rotary wrench (1021) is provided with a through observation hole (1023), the bottom of the rotary wrench (1021) is provided with a sunken marking arrow (1024), and the marking arrow (1024) points to the circle center of the observation hole (1023).

9. An open positionable butterfly valve according to claim 8,

the side wall of the lock nut (105) is provided with a lock wrench (1051).