阅读说明：本技术 一种任意角度限位蝶阀结构 (Limit butterfly valve structure with any angle ) 是由 林凯宇 于 2020-05-29 设计创作，主要内容包括：一种任意角度限位蝶阀结构,包括阀杆、支架,阀杆上设有限位块Ⅰ、限位块Ⅱ,限位块Ⅰ、限位块Ⅱ分别以正八边形焊接在阀杆上,限位块Ⅰ、限位块Ⅱ对应的支架上设有四个螺纹孔,四个螺纹孔分别放置限位螺柱Ⅰ、限位螺柱Ⅱ、限位螺柱Ⅲ、限位螺柱Ⅳ,限位螺柱Ⅰ、限位螺柱Ⅲ对应限位块Ⅰ,限位螺柱Ⅱ、限位螺柱Ⅳ对应限位块Ⅱ,四个限位螺栓分别拧有两个螺母,四个限位螺栓的底部均是圆弧型。本发明的有益效果是,任意角度限位蝶阀结构实现了蝶阀在任意位置的锁定,特别适用于调节工况的蝶阀,对管道中流量的精确调节起到至关重要的作用,且安全性能高,锁定后能防止施工人员的误操作。(The utility model provides a spacing butterfly valve structure of arbitrary angle, which comprises a valve rod, a bracket, be equipped with stopper I on the valve rod, stopper II, stopper I, stopper II welds on the valve rod with regular octagon respectively, stopper I, be equipped with four screw holes on the support that stopper II corresponds, spacing double-screw bolt I is placed respectively to four screw holes, spacing double-screw bolt II, spacing double-screw bolt III, spacing double-screw bolt IV, spacing double-screw bolt I, spacing double-screw bolt III corresponds stopper I, spacing double-screw bolt II, spacing double-screw bolt IV corresponds stopper II, four spacing bolts have twisted two nuts respectively, the bottom of four spacing bolts all is the circular arc type. The butterfly valve structure has the advantages that the butterfly valve structure with the limit at any angle realizes the locking of the butterfly valve at any position, is particularly suitable for the butterfly valve for adjusting the working condition, plays an important role in accurately adjusting the flow in the pipeline, has high safety performance, and can prevent misoperation of constructors after locking.)

1. The utility model provides a spacing butterfly valve structure of arbitrary angle, includes valve rod, support, its characterized in that, be equipped with stopper I, stopper II on the valve rod, stopper I, stopper II weld on the valve rod with regular octagon respectively, be equipped with four screw holes on the support that stopper I, stopper II correspond, four screw holes place spacing double-screw bolt I, spacing double-screw bolt II, spacing double-screw bolt III, spacing double-screw bolt IV respectively, spacing double-screw bolt I, spacing double-screw bolt III correspond stopper I, spacing double-screw bolt II, spacing double-screw bolt IV correspond stopper II, two nuts have been twisted respectively to four spacing bolts, four spacing bolt's bottom all is the circular arc type.

Technical Field

The invention relates to a limiting butterfly valve structure with any angle.

Background

At present, the limit of a full-open position and a full-close position can only be realized by a worm gear box of a common worm gear operation butterfly valve, the limit angle range is plus or minus 5 degrees, and the limit and the locking of any angle can not be realized.

At present, the spacing butterfly valve of manual regulation has been selected for use to a lot of operating modes that need accurate regulation flow, for example, adjust the operating mode and need keep the butterfly valve aperture at certain aperture within range, and require to finely tune and latched position the butterfly valve, but ordinary worm wheel drive butterfly valve can only be spacing to the valve at close and full open position entirely, open the butterfly valve to the angle of needs after, can't carry out spacing and locking to the valve again, the easy misuse of site operation personnel back leads to the aperture of valve to change, and then changed the flow.

Disclosure of Invention

In order to overcome the problems in the prior art, the invention provides a butterfly valve structure capable of limiting at any angle.

The technical scheme includes that the limiting butterfly valve structure with any angle comprises a valve rod and a support, wherein a limiting block I and a limiting block II are arranged on the valve rod and are welded on the valve rod respectively in a regular octagon shape, four threaded holes are formed in the support corresponding to the limiting block I and the limiting block II, a limiting stud I, a limiting stud II, a limiting stud III and a limiting stud IV are respectively placed in the four threaded holes, the limiting stud I and the limiting stud III correspond to the limiting block I, the limiting stud II and the limiting stud IV correspond to the limiting block II, two nuts are respectively screwed on the four limiting bolts, and the bottoms of the four limiting bolts are all arc-shaped.

The butterfly valve structure has the advantages that the butterfly valve structure with the limit at any angle realizes the locking of the butterfly valve at any position, is particularly suitable for the butterfly valve for adjusting the working condition, plays an important role in accurately adjusting the flow in the pipeline, has high safety performance, and can prevent misoperation of constructors after locking.

Drawings

FIG. 1 is a block diagram of a limit butterfly valve;

FIG. 2 is an enlarged view of the I-position limiting structure in FIG. 1;

fig. 3-14 are schematic diagrams of the limit butterfly valve locking at any angle from the fully closed position to the fully open position.

In the figure: 1. a worm gear; 2. a valve stem; 3. a nut; 4. a limiting stud I; 5. a limiting stud II; 6. a limiting block I; 7. a limiting block II; 8. a limit stud III; 9. a limiting stud IV; 10. a support; 11. a valve body I; 12. a butterfly valve plate; 13. and (4) end covers.

Detailed Description

As shown in the figure, the opening and closing directions of the limit butterfly valve structure at any angle are that a butterfly plate or a valve rod rotates clockwise to be closed and rotates anticlockwise to be opened when seen from the view of an operator. A limiting block I6 and a limiting block II 7 are arranged on the valve rod 2 according to the direction of the valve shown in the figure 3 when the valve is in the fully closed position, and the limiting blocks and the valve rod are connected in a matched mode through a regular octagon and are welded on the valve rod 2 to prevent the limiting blocks from generating axial displacement; four threaded holes are processed in the middle of the support 10, the positions of the threaded holes are according to the positions of four limiting studs in fig. 2 and fig. 3, the four processed threaded holes are used for placing a limiting stud I4, a limiting stud II 5, a limiting stud III 8 and a limiting stud IV 9 respectively, two nuts 3 are screwed on each limiting stud to achieve tightening, and the bottoms of the four limiting studs are all processed into arc shapes.

Fig. 3 is a sectional view of a-a of a limiting block i 6 and a sectional view of a limiting block ii 7 when the butterfly valve is in a fully closed position, the four limiting studs are all screwed out to the edge of an inner channel of the bracket 10, then the limiting studs i 4 are screwed to the bottom until the bottom arc surfaces of the limiting studs i 4 contact the limiting block i 6, so that the opening and limiting of the valve in the fully closed position can be realized, meanwhile, the limiting studs iv 9 are screwed to the bottom until the bottom arc surfaces of the limiting studs iv 9 contact the limiting block ii 7, so that the closing and limiting of the valve in the fully closed position can be realized, and the limiting and locking of the butterfly valve in the fully closed position can be realized through the cooperation of the two limiting structures.

FIG. 4 is a sectional view taken along line A-A of a stopper I6 and a sectional view taken along line B-B of a stopper II 7 when the butterfly valve is opened from a fully closed position to 15, wherein the limit stud III 8 and the limit stud II 5 are fixed, before the butterfly valve is opened, the limit stud I4 is firstly screwed out to the edge of the inner channel of the bracket 10, then the butterfly valve is opened to any required angle of 0-15 degrees, the limit stud I4 is screwed to the bottom until the bottom arc surface of the limit stud I4 contacts the limit block I6, the opening limit of the valve at any angle of 0-15 degrees can be realized, meanwhile, the limit stud IV 9 is screwed to the bottom until the bottom arc surface of the limit stud IV 9 contacts the limit block II 7, the valve can be closed and limited at any angle from 0 degree to 15 degrees, and the butterfly valve can be limited and locked at any angle from 0 degree to 15 degrees by the matching of the two groups of limiting structures.

Fig. 5 is a sectional view of a limiting block i 6 taken from a-a and a sectional view of a limiting block ii 7 taken from a B-B after the butterfly valve is opened to 15 degrees, if the valve needs to be opened continuously, the position of the limiting stud is required to be adjusted once according to the requirement of fig. 5, the limiting stud ii 5 and the limiting stud iv 9 are not moved, the limiting stud iii 8 is screwed to the bottom until the bottom arc surface of the limiting stud iii 8 contacts the limiting block i 6, and then the limiting stud i 4 is screwed out to the edge of the inner channel of the bracket 10.

FIG. 6 is a sectional view A-A of a limiting block I6 and a sectional view B-B of a limiting block II 7 when a butterfly valve is opened from 15 degrees to 30 degrees after the position of a limiting stud is adjusted, before the butterfly valve is opened continuously, the limit stud III 8 is firstly screwed out to the edge of the inner channel of the bracket 10, then the butterfly valve is opened to any required angle of 15-30 degrees, the limit stud III 8 is screwed to the bottom until the bottom arc surface of the limit stud III 8 contacts the limit block I6, the opening limit of the valve at any angle of 15-30 degrees can be realized, meanwhile, the limit stud IV 9 is screwed to the bottom until the bottom arc surface of the limit stud IV 9 contacts the limit block II 7, the valve can be closed and limited at any angle of 15-30 degrees, and the butterfly valve can be limited and locked at any angle of 15-30 degrees by matching the two groups of limiting structures.

Fig. 7 is a sectional view of a limiting block i 6 taken from a-a and a sectional view of a limiting block ii 7 taken from a B-B after the butterfly valve is opened to 30 degrees, if the valve needs to be opened continuously, the position of the limiting stud is required to be adjusted once according to the requirement of fig. 7, the limiting stud i 4 and the limiting stud iii 8 are not moved, the limiting stud ii 5 is screwed to the bottom until the bottom arc surface of the limiting stud ii 5 contacts the limiting block ii 7, and then the limiting stud iv 9 is screwed out to the edge of the inner channel of the bracket 10.

FIG. 8 is a sectional view A-A of a limiting block I6 and a sectional view B-B of a limiting block II 7 after the position of a limiting stud is adjusted, when the butterfly valve is opened from 30 degrees to 45 degrees, the limiting stud I4 and the limiting stud IV 9 are not moved, before the butterfly valve is opened, the limiting stud III 8 is screwed out to the edge of a channel in a bracket, then the butterfly valve is opened to any required angle in 30 degrees to 45 degrees, then the limiting stud III 8 is screwed to the bottom until the bottom arc surface of the limiting stud III 8 contacts the limiting block I6, the opening limiting of the valve at any angle in 30 degrees to 45 degrees can be realized, meanwhile, the limiting stud II 5 is screwed to the bottom until the bottom arc surface of the limiting stud II 5 contacts the limiting block II 7, the closing limiting of the valve at any angle in 30 degrees to 45 degrees can be realized, and the two sets of limiting structures are matched for use, the butterfly valve can be limited and locked at any angle within the opening degree of 30-45 degrees.

Fig. 9 is a sectional view of a limiting block i 6 a-a and a sectional view of a limiting block ii 7B-B after the butterfly valve is opened to 45 degrees, if the valve needs to be continuously opened, the position of the limiting stud needs to be adjusted once according to the requirement of fig. 9, the limiting stud i 4 is screwed to the bottom until the bottom arc surface of the limiting stud i 4 contacts the limiting block i 6, the limiting stud iv 9 is screwed to the bottom until the bottom arc surface of the limiting stud iv 9 contacts the limiting block ii 7, and then the limiting stud iii 8 and the limiting stud ii 5 are screwed out to the edge of the inner channel of the bracket 10.

FIG. 10 is a sectional view A-A of a limiting block I6 and a sectional view B-B of a limiting block II 7 after the position of a limiting stud is adjusted, when a butterfly valve is opened from 45 degrees to 60 degrees, the limiting stud III 8 and the limiting stud II 5 are not moved, before the butterfly valve is opened, the limiting stud I4 is screwed out to the edge of an inner channel of a support 10, then the butterfly valve is opened to any required angle in 45 degrees to 60 degrees, then the limiting stud I4 is screwed to the bottom until the bottom arc surface of the limiting stud I4 contacts the limiting block I6, the opening limiting position of the valve at any angle in 45 degrees to 60 degrees can be realized, meanwhile, the limiting stud IV 9 is screwed to the bottom until the bottom arc surface of the limiting stud IV 9 contacts the limiting block II 7, the closing limiting position of the valve at any angle in 45 degrees to 60 degrees can be realized, and the two limiting structures are matched for use, the butterfly valve can be limited and locked at any angle within the opening degree of 45-60 degrees.

Fig. 11 is a sectional view a-a of a limiting block i 6 and a sectional view B-B of a limiting block ii 7 after the butterfly valve is opened to 60 degrees, if the valve needs to be opened continuously, the position of the limiting stud needs to be adjusted once according to the requirement of fig. 11, the limiting stud ii 5 and the limiting stud iv 9 are not moved, the limiting stud iii 8 is screwed to the bottom until the bottom arc surface of the limiting stud iii 8 contacts the limiting block i 6, and then the limiting stud i 4 is screwed out to the edge of the inner channel of the bracket 10.

FIG. 12 is a sectional view A-A of a limiting block I6 and a sectional view B-B of a limiting block II 7 after the position of the limiting stud is adjusted and the butterfly valve is opened from 60 degrees to 75 degrees, before the butterfly valve is opened continuously, the limit stud III 8 is firstly screwed out to the edge of the inner channel of the bracket 10, then the butterfly valve is opened to any required angle of 60 degrees to 75 degrees, the limit stud III 8 is screwed to the bottom until the bottom arc surface of the limit stud III 8 contacts the limit block I6, the opening limit of the valve at any angle of 60 degrees to 75 degrees can be realized, meanwhile, the limit stud IV 9 is screwed to the bottom until the bottom arc surface of the limit stud IV 9 contacts the limit block II 7, the valve can be closed and limited at any angle of 60-75 degrees, and the butterfly valve can be limited and locked at any angle of 60-75 degrees by matching the two groups of limiting structures.

Fig. 13 is a sectional view a-a of a limiting block i 6 and a sectional view B-B of a limiting block ii 7 after the butterfly valve is opened to 75 °, if the valve needs to be opened continuously, the position of the limiting stud is required to be adjusted once according to the requirement of fig. 13, the limiting stud i 4 and the limiting stud iii 8 are not moved, the limiting stud ii 5 is screwed to the bottom until the bottom arc surface of the limiting stud ii 5 contacts the limiting block ii 7, and then the limiting stud iv 9 is screwed out to the edge of the inner channel of the bracket 10.

FIG. 14 is a sectional view A-A of a limit block I6 and a sectional view B-B of a limit block II 7 after the position of a limit stud is adjusted, when a butterfly valve is opened from 75 degrees to 90 degrees, wherein the limit stud I4 and the limit stud IV 9 are not moved, before the butterfly valve is opened, the limit stud III 8 is screwed out to the edge of an inner channel of a bracket 10, then the butterfly valve is opened to any required angle in 75 degrees to 90 degrees, then the limit stud III 8 is screwed to the bottom until the bottom arc surface of the limit stud III 8 contacts the limit block I6, the opening limit of the valve at any angle in 75 degrees to 90 degrees can be realized, meanwhile, the limit stud II 5 is screwed to the bottom until the bottom arc surface of the limit stud II 5 contacts the limit block II 7, the closing limit of the valve at any angle in 75 degrees to 90 degrees can be realized, and the two limit structures are matched for use, the butterfly valve can be limited and locked at any angle within the opening of 75-90 degrees.

The butterfly valve is locked at any position by the aid of the limiting butterfly valve structure with any angle, the structure is particularly suitable for adjusting the butterfly valve under working conditions, the function of adjusting the flow in a pipeline accurately is very important, safety performance is high, and misoperation of construction personnel can be prevented after locking.

The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications of the present embodiment without inventive contribution as needed after reading the present specification, but all of them are protected by patent law within the scope of the claims of the present invention.